author | Raphaël Gomès <rgomes@octobus.net> |
Wed, 20 Dec 2023 14:59:31 +0100 | |
changeset 51292 | c4cbb515b006 |
parent 51285 | 47a34afda7ad |
child 51396 | b01e7d97e167 |
permissions | -rw-r--r-- |
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use std::collections::{HashMap, HashSet}; |
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use std::fmt::Debug; |
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use std::ops::Deref; |
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use std::sync::{RwLock, RwLockReadGuard, RwLockWriteGuard}; |
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use bitvec::prelude::*; |
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use byteorder::{BigEndian, ByteOrder}; |
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use bytes_cast::{unaligned, BytesCast}; |
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use super::REVIDX_KNOWN_FLAGS; |
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use crate::errors::HgError; |
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use crate::node::{NODE_BYTES_LENGTH, NULL_NODE, STORED_NODE_ID_BYTES}; |
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use crate::revlog::node::Node; |
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use crate::revlog::{Revision, NULL_REVISION}; |
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use crate::{ |
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dagops, BaseRevision, FastHashMap, Graph, GraphError, RevlogError, |
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RevlogIndex, UncheckedRevision, |
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}; |
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pub const INDEX_ENTRY_SIZE: usize = 64; |
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pub const COMPRESSION_MODE_INLINE: u8 = 2; |
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#[derive(Debug)] |
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pub struct IndexHeader { |
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pub(super) header_bytes: [u8; 4], |
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} |
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#[derive(Copy, Clone)] |
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pub struct IndexHeaderFlags { |
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flags: u16, |
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} |
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/// Corresponds to the high bits of `_format_flags` in python |
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impl IndexHeaderFlags { |
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/// Corresponds to FLAG_INLINE_DATA in python |
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pub fn is_inline(self) -> bool { |
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self.flags & 1 != 0 |
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} |
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/// Corresponds to FLAG_GENERALDELTA in python |
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pub fn uses_generaldelta(self) -> bool { |
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self.flags & 2 != 0 |
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} |
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} |
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/// Corresponds to the INDEX_HEADER structure, |
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/// which is parsed as a `header` variable in `_loadindex` in `revlog.py` |
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impl IndexHeader { |
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fn format_flags(&self) -> IndexHeaderFlags { |
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// No "unknown flags" check here, unlike in python. Maybe there should |
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// be. |
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IndexHeaderFlags { |
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flags: BigEndian::read_u16(&self.header_bytes[0..2]), |
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} |
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} |
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/// The only revlog version currently supported by rhg. |
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const REVLOGV1: u16 = 1; |
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/// Corresponds to `_format_version` in Python. |
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fn format_version(&self) -> u16 { |
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BigEndian::read_u16(&self.header_bytes[2..4]) |
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} |
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pub fn parse(index_bytes: &[u8]) -> Result<Option<IndexHeader>, HgError> { |
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if index_bytes.is_empty() { |
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return Ok(None); |
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} |
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if index_bytes.len() < 4 { |
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return Err(HgError::corrupted( |
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"corrupted revlog: can't read the index format header", |
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)); |
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} |
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Ok(Some(IndexHeader { |
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header_bytes: { |
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let bytes: [u8; 4] = |
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index_bytes[0..4].try_into().expect("impossible"); |
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bytes |
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}, |
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})) |
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} |
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} |
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/// Abstracts the access to the index bytes since they can be spread between |
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/// the immutable (bytes) part and the mutable (added) part if any appends |
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/// happened. This makes it transparent for the callers. |
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struct IndexData { |
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/// Immutable bytes, most likely taken from disk |
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bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>, |
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/// Used when stripping index contents, keeps track of the start of the |
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/// first stripped revision, which is used to give a slice of the |
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/// `bytes` field. |
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truncation: Option<usize>, |
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/// Bytes that were added after reading the index |
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added: Vec<u8>, |
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} |
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impl IndexData { |
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pub fn new(bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>) -> Self { |
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Self { |
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bytes, |
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truncation: None, |
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added: vec![], |
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} |
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} |
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|
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pub fn len(&self) -> usize { |
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match self.truncation { |
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Some(truncation) => truncation + self.added.len(), |
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None => self.bytes.len() + self.added.len(), |
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} |
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} |
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|
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fn remove( |
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&mut self, |
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rev: Revision, |
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offsets: Option<&[usize]>, |
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) -> Result<(), RevlogError> { |
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let rev = rev.0 as usize; |
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let truncation = if let Some(offsets) = offsets { |
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offsets[rev] |
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} else { |
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rev * INDEX_ENTRY_SIZE |
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}; |
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if truncation < self.bytes.len() { |
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self.truncation = Some(truncation); |
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self.added.clear(); |
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} else { |
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self.added.truncate(truncation - self.bytes.len()); |
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} |
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Ok(()) |
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} |
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fn is_new(&self) -> bool { |
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self.bytes.is_empty() |
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} |
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} |
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|
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impl std::ops::Index<std::ops::Range<usize>> for IndexData { |
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type Output = [u8]; |
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|
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fn index(&self, index: std::ops::Range<usize>) -> &Self::Output { |
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let start = index.start; |
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let end = index.end; |
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let immutable_len = match self.truncation { |
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Some(truncation) => truncation, |
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None => self.bytes.len(), |
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}; |
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if start < immutable_len { |
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if end > immutable_len { |
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panic!("index data cannot span existing and added ranges"); |
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151 |
} |
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&self.bytes[index] |
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153 |
} else { |
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&self.added[start - immutable_len..end - immutable_len] |
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155 |
} |
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156 |
} |
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157 |
} |
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158 |
|
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159 |
#[derive(Debug, PartialEq, Eq)] |
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pub struct RevisionDataParams { |
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pub flags: u16, |
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pub data_offset: u64, |
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pub data_compressed_length: i32, |
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pub data_uncompressed_length: i32, |
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pub data_delta_base: i32, |
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166 |
pub link_rev: i32, |
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pub parent_rev_1: i32, |
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pub parent_rev_2: i32, |
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pub node_id: [u8; NODE_BYTES_LENGTH], |
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pub _sidedata_offset: u64, |
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pub _sidedata_compressed_length: i32, |
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pub data_compression_mode: u8, |
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pub _sidedata_compression_mode: u8, |
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pub _rank: i32, |
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} |
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176 |
|
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impl Default for RevisionDataParams { |
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fn default() -> Self { |
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Self { |
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flags: 0, |
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data_offset: 0, |
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data_compressed_length: 0, |
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data_uncompressed_length: 0, |
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data_delta_base: -1, |
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link_rev: -1, |
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parent_rev_1: -1, |
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parent_rev_2: -1, |
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node_id: [0; NODE_BYTES_LENGTH], |
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_sidedata_offset: 0, |
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_sidedata_compressed_length: 0, |
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data_compression_mode: COMPRESSION_MODE_INLINE, |
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_sidedata_compression_mode: COMPRESSION_MODE_INLINE, |
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_rank: -1, |
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194 |
} |
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} |
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} |
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|
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#[derive(BytesCast)] |
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199 |
#[repr(C)] |
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pub struct RevisionDataV1 { |
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data_offset_or_flags: unaligned::U64Be, |
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data_compressed_length: unaligned::I32Be, |
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data_uncompressed_length: unaligned::I32Be, |
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data_delta_base: unaligned::I32Be, |
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link_rev: unaligned::I32Be, |
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parent_rev_1: unaligned::I32Be, |
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parent_rev_2: unaligned::I32Be, |
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node_id: [u8; STORED_NODE_ID_BYTES], |
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} |
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|
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fn _static_assert_size_of_revision_data_v1() { |
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let _ = std::mem::transmute::<RevisionDataV1, [u8; 64]>; |
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} |
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|
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impl RevisionDataParams { |
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pub fn validate(&self) -> Result<(), RevlogError> { |
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if self.flags & !REVIDX_KNOWN_FLAGS != 0 { |
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return Err(RevlogError::corrupted(format!( |
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"unknown revlog index flags: {}", |
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self.flags |
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))); |
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} |
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if self.data_compression_mode != COMPRESSION_MODE_INLINE { |
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return Err(RevlogError::corrupted(format!( |
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"invalid data compression mode: {}", |
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self.data_compression_mode |
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))); |
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} |
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// FIXME isn't this only for v2 or changelog v2? |
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if self._sidedata_compression_mode != COMPRESSION_MODE_INLINE { |
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return Err(RevlogError::corrupted(format!( |
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"invalid sidedata compression mode: {}", |
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self._sidedata_compression_mode |
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))); |
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} |
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Ok(()) |
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} |
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|
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pub fn into_v1(self) -> RevisionDataV1 { |
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let data_offset_or_flags = self.data_offset << 16 | self.flags as u64; |
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let mut node_id = [0; STORED_NODE_ID_BYTES]; |
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node_id[..NODE_BYTES_LENGTH].copy_from_slice(&self.node_id); |
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RevisionDataV1 { |
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data_offset_or_flags: data_offset_or_flags.into(), |
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data_compressed_length: self.data_compressed_length.into(), |
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data_uncompressed_length: self.data_uncompressed_length.into(), |
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data_delta_base: self.data_delta_base.into(), |
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link_rev: self.link_rev.into(), |
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parent_rev_1: self.parent_rev_1.into(), |
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parent_rev_2: self.parent_rev_2.into(), |
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node_id, |
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} |
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} |
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} |
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|
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/// A Revlog index |
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pub struct Index { |
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bytes: IndexData, |
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/// Offsets of starts of index blocks. |
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/// Only needed when the index is interleaved with data. |
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offsets: RwLock<Option<Vec<usize>>>, |
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uses_generaldelta: bool, |
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is_inline: bool, |
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/// Cache of (head_revisions, filtered_revisions) |
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/// |
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/// The head revisions in this index, kept in sync. Should |
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/// be accessed via the [`Self::head_revs`] method. |
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/// The last filtered revisions in this index, used to make sure |
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/// we haven't changed filters when returning the cached `head_revs`. |
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head_revs: RwLock<(Vec<Revision>, HashSet<Revision>)>, |
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} |
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272 |
|
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impl Debug for Index { |
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result { |
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f.debug_struct("Index") |
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.field("offsets", &self.offsets) |
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.field("uses_generaldelta", &self.uses_generaldelta) |
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.finish() |
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} |
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} |
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281 |
|
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impl Graph for Index { |
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#[inline(always)] |
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fn parents(&self, rev: Revision) -> Result<[Revision; 2], GraphError> { |
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let err = || GraphError::ParentOutOfRange(rev); |
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match self.get_entry(rev) { |
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Some(entry) => { |
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// The C implementation checks that the parents are valid |
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// before returning |
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Ok([ |
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self.check_revision(entry.p1()).ok_or_else(err)?, |
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self.check_revision(entry.p2()).ok_or_else(err)?, |
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293 |
]) |
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294 |
} |
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None => Ok([NULL_REVISION, NULL_REVISION]), |
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} |
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297 |
} |
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298 |
} |
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299 |
|
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/// A cache suitable for find_snapshots |
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/// |
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/// Logically equivalent to a mapping whose keys are [`BaseRevision`] and |
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/// values sets of [`BaseRevision`] |
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/// |
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/// TODO the dubious part is insisting that errors must be RevlogError |
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/// we would probably need to sprinkle some magic here, such as an associated |
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/// type that would be Into<RevlogError> but even that would not be |
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/// satisfactory, as errors potentially have nothing to do with the revlog. |
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pub trait SnapshotsCache { |
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fn insert_for( |
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&mut self, |
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rev: BaseRevision, |
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value: BaseRevision, |
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314 |
) -> Result<(), RevlogError>; |
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315 |
} |
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316 |
|
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impl SnapshotsCache for FastHashMap<BaseRevision, HashSet<BaseRevision>> { |
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fn insert_for( |
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&mut self, |
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320 |
rev: BaseRevision, |
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321 |
value: BaseRevision, |
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322 |
) -> Result<(), RevlogError> { |
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323 |
let all_values = self.entry(rev).or_default(); |
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324 |
all_values.insert(value); |
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325 |
Ok(()) |
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326 |
} |
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327 |
} |
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328 |
|
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329 |
impl Index { |
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330 |
/// Create an index from bytes. |
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331 |
/// Calculate the start of each entry when is_inline is true. |
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332 |
pub fn new( |
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333 |
bytes: Box<dyn Deref<Target = [u8]> + Send + Sync>, |
51212
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334 |
default_header: IndexHeader, |
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335 |
) -> Result<Self, HgError> { |
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336 |
let header = |
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337 |
IndexHeader::parse(bytes.as_ref())?.unwrap_or(default_header); |
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338 |
|
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339 |
if header.format_version() != IndexHeader::REVLOGV1 { |
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340 |
// A proper new version should have had a repo/store |
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341 |
// requirement. |
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342 |
return Err(HgError::corrupted("unsupported revlog version")); |
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343 |
} |
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344 |
|
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345 |
// This is only correct because we know version is REVLOGV1. |
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346 |
// In v2 we always use generaldelta, while in v0 we never use |
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347 |
// generaldelta. Similar for [is_inline] (it's only used in v1). |
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348 |
let uses_generaldelta = header.format_flags().uses_generaldelta(); |
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349 |
|
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|
350 |
if header.format_flags().is_inline() { |
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|
351 |
let mut offset: usize = 0; |
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352 |
let mut offsets = Vec::new(); |
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353 |
|
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|
354 |
while offset + INDEX_ENTRY_SIZE <= bytes.len() { |
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|
355 |
offsets.push(offset); |
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|
356 |
let end = offset + INDEX_ENTRY_SIZE; |
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|
357 |
let entry = IndexEntry { |
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|
358 |
bytes: &bytes[offset..end], |
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|
359 |
offset_override: None, |
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|
360 |
}; |
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|
361 |
|
48572
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rhg: RevlogEntry::uncompressed_len is signed
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|
362 |
offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize; |
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|
363 |
} |
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|
364 |
|
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|
365 |
if offset == bytes.len() { |
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|
366 |
Ok(Self { |
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|
367 |
bytes: IndexData::new(bytes), |
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368 |
offsets: RwLock::new(Some(offsets)), |
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|
369 |
uses_generaldelta, |
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|
370 |
is_inline: true, |
51255
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|
371 |
head_revs: RwLock::new((vec![], HashSet::new())), |
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|
372 |
}) |
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|
373 |
} else { |
50003
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|
374 |
Err(HgError::corrupted("unexpected inline revlog length")) |
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|
375 |
} |
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|
376 |
} else { |
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|
377 |
Ok(Self { |
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378 |
bytes: IndexData::new(bytes), |
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|
379 |
offsets: RwLock::new(None), |
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|
380 |
uses_generaldelta, |
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|
381 |
is_inline: false, |
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parents:
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changeset
|
382 |
head_revs: RwLock::new((vec![], HashSet::new())), |
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|
383 |
}) |
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|
384 |
} |
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|
385 |
} |
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|
386 |
|
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|
387 |
pub fn uses_generaldelta(&self) -> bool { |
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|
388 |
self.uses_generaldelta |
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|
389 |
} |
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changeset
|
390 |
|
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|
391 |
/// Value of the inline flag. |
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|
392 |
pub fn is_inline(&self) -> bool { |
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|
393 |
self.is_inline |
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|
394 |
} |
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changeset
|
395 |
|
900b9b79b99c
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|
396 |
/// Return a slice of bytes if `revlog` is inline. Panic if not. |
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|
397 |
pub fn data(&self, start: usize, end: usize) -> &[u8] { |
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changeset
|
398 |
if !self.is_inline() { |
900b9b79b99c
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changeset
|
399 |
panic!("tried to access data in the index of a revlog that is not inline"); |
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changeset
|
400 |
} |
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changeset
|
401 |
&self.bytes[start..end] |
900b9b79b99c
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changeset
|
402 |
} |
900b9b79b99c
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changeset
|
403 |
|
45542
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hg-core: add a `ListRevTrackedFiles` operation
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changeset
|
404 |
/// Return number of entries of the revlog index. |
639f33f22faf
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Antoine Cezar <antoine.cezar@octobus.net>
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changeset
|
405 |
pub fn len(&self) -> usize { |
51285
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rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
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51282
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changeset
|
406 |
if self.is_inline() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
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51282
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changeset
|
407 |
(*self.get_offsets()) |
47a34afda7ad
rust-index: only access offsets if revlog is inline
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|
408 |
.as_ref() |
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rust-index: only access offsets if revlog is inline
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changeset
|
409 |
.expect("inline should have offsets") |
47a34afda7ad
rust-index: only access offsets if revlog is inline
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|
410 |
.len() |
45542
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changeset
|
411 |
} else { |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
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parents:
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|
412 |
self.bytes.len() / INDEX_ENTRY_SIZE |
639f33f22faf
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|
413 |
} |
639f33f22faf
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|
414 |
} |
639f33f22faf
hg-core: add a `ListRevTrackedFiles` operation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45537
diff
changeset
|
415 |
|
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
416 |
pub fn get_offsets(&self) -> RwLockReadGuard<Option<Vec<usize>>> { |
51285
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rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
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changeset
|
417 |
assert!(self.is_inline()); |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
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|
418 |
{ |
47a34afda7ad
rust-index: only access offsets if revlog is inline
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changeset
|
419 |
// Wrap in a block to drop the read guard |
47a34afda7ad
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Raphaël Gomès <rgomes@octobus.net>
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|
420 |
// TODO perf? |
47a34afda7ad
rust-index: only access offsets if revlog is inline
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parents:
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changeset
|
421 |
let mut offsets = self.offsets.write().unwrap(); |
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|
422 |
if offsets.is_none() { |
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|
423 |
offsets.replace(inline_scan(&self.bytes.bytes).1); |
51218
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|
424 |
} |
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|
425 |
} |
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|
426 |
self.offsets.read().unwrap() |
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|
427 |
} |
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changeset
|
428 |
|
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changeset
|
429 |
pub fn get_offsets_mut(&mut self) -> RwLockWriteGuard<Option<Vec<usize>>> { |
51285
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|
430 |
assert!(self.is_inline()); |
51218
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|
431 |
let mut offsets = self.offsets.write().unwrap(); |
51285
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rust-index: only access offsets if revlog is inline
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|
432 |
if offsets.is_none() { |
51218
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rust-index: support cache clearing
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|
433 |
offsets.replace(inline_scan(&self.bytes.bytes).1); |
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rust-index: support cache clearing
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changeset
|
434 |
} |
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|
435 |
offsets |
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|
436 |
} |
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changeset
|
437 |
|
45542
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hg-core: add a `ListRevTrackedFiles` operation
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changeset
|
438 |
/// Returns `true` if the `Index` has zero `entries`. |
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changeset
|
439 |
pub fn is_empty(&self) -> bool { |
639f33f22faf
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|
440 |
self.len() == 0 |
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hg-core: add a `ListRevTrackedFiles` operation
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|
441 |
} |
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hg-core: add a `ListRevTrackedFiles` operation
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changeset
|
442 |
|
51224
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rust-index: check that the entry bytes are the same in both indexes
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|
443 |
/// Return the index entry corresponding to the given revision or `None` |
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|
444 |
/// for [`NULL_REVISION`] |
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|
445 |
/// |
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|
446 |
/// The specified revision being of the checked type, it always exists |
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rust-index: check that the entry bytes are the same in both indexes
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|
447 |
/// if it was validated by this index. |
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|
448 |
pub fn get_entry(&self, rev: Revision) -> Option<IndexEntry> { |
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changeset
|
449 |
if rev == NULL_REVISION { |
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|
450 |
return None; |
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|
451 |
} |
51285
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|
452 |
Some(if self.is_inline() { |
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rust-index: only access offsets if revlog is inline
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|
453 |
self.get_entry_inline(rev) |
45532
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diff
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|
454 |
} else { |
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changeset
|
455 |
self.get_entry_separated(rev) |
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rust: use the new `UncheckedRevision` everywhere applicable
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|
456 |
}) |
45532
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diff
changeset
|
457 |
} |
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diff
changeset
|
458 |
|
51224
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rust-index: check that the entry bytes are the same in both indexes
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changeset
|
459 |
/// Return the binary content of the index entry for the given revision |
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|
460 |
/// |
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|
461 |
/// See [get_entry()](`Self::get_entry()`) for cases when `None` is |
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rust-index: check that the entry bytes are the same in both indexes
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|
462 |
/// returned. |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
463 |
pub fn entry_binary(&self, rev: Revision) -> Option<&[u8]> { |
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rust-index: check that the entry bytes are the same in both indexes
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changeset
|
464 |
self.get_entry(rev).map(|e| { |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
465 |
let bytes = e.as_bytes(); |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
466 |
if rev.0 == 0 { |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
467 |
&bytes[4..] |
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rust-index: check that the entry bytes are the same in both indexes
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changeset
|
468 |
} else { |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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parents:
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changeset
|
469 |
bytes |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
470 |
} |
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rust-index: check that the entry bytes are the same in both indexes
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changeset
|
471 |
}) |
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rust-index: check that the entry bytes are the same in both indexes
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parents:
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changeset
|
472 |
} |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
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changeset
|
473 |
|
51226
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
474 |
pub fn entry_as_params( |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
475 |
&self, |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
476 |
rev: UncheckedRevision, |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
477 |
) -> Option<RevisionDataParams> { |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
478 |
let rev = self.check_revision(rev)?; |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
479 |
self.get_entry(rev).map(|e| RevisionDataParams { |
002b49905aac
rust-index: implementation of __getitem__
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changeset
|
480 |
flags: e.flags(), |
002b49905aac
rust-index: implementation of __getitem__
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parents:
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changeset
|
481 |
data_offset: if rev.0 == 0 && !self.bytes.is_new() { |
002b49905aac
rust-index: implementation of __getitem__
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parents:
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changeset
|
482 |
e.flags() as u64 |
002b49905aac
rust-index: implementation of __getitem__
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parents:
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diff
changeset
|
483 |
} else { |
002b49905aac
rust-index: implementation of __getitem__
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parents:
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changeset
|
484 |
e.raw_offset() |
002b49905aac
rust-index: implementation of __getitem__
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parents:
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diff
changeset
|
485 |
}, |
51257
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rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
486 |
data_compressed_length: e |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
487 |
.compressed_len() |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
488 |
.try_into() |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
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parents:
51256
diff
changeset
|
489 |
.unwrap_or_else(|_| { |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
490 |
// Python's `unionrepo` sets the compressed length to be |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
491 |
// `-1` (or `u32::MAX` if transmuted to `u32`) because it |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
492 |
// cannot know the correct compressed length of a given |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
493 |
// revision. I'm not sure if this is true, but having this |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
494 |
// edge case won't hurt other use cases, let's handle it. |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
495 |
assert_eq!(e.compressed_len(), u32::MAX); |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
496 |
NULL_REVISION.0 |
eb676c35a29b
rust-index: support `unionrepo`'s compressed length hack
Raphaël Gomès <rgomes@octobus.net>
parents:
51256
diff
changeset
|
497 |
}), |
51226
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
498 |
data_uncompressed_length: e.uncompressed_len(), |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
499 |
data_delta_base: e.base_revision_or_base_of_delta_chain().0, |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
500 |
link_rev: e.link_revision().0, |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
501 |
parent_rev_1: e.p1().0, |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
502 |
parent_rev_2: e.p2().0, |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
503 |
node_id: e.hash().as_bytes().try_into().unwrap(), |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
504 |
..Default::default() |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
505 |
}) |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
506 |
} |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
507 |
|
51285
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
508 |
fn get_entry_inline(&self, rev: Revision) -> IndexEntry { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
509 |
let offsets = &self.get_offsets(); |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
510 |
let offsets = offsets.as_ref().expect("inline should have offsets"); |
50990
4c5f6e95df84
rust: make `Revision` a newtype
Raphaël Gomès <rgomes@octobus.net>
parents:
50989
diff
changeset
|
511 |
let start = offsets[rev.0 as usize]; |
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
512 |
let end = start + INDEX_ENTRY_SIZE; |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
513 |
let bytes = &self.bytes[start..end]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
514 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
515 |
// See IndexEntry for an explanation of this override. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
516 |
let offset_override = Some(end); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
517 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
518 |
IndexEntry { |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
519 |
bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
520 |
offset_override, |
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
521 |
} |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
522 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
523 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
524 |
fn get_entry_separated(&self, rev: Revision) -> IndexEntry { |
50990
4c5f6e95df84
rust: make `Revision` a newtype
Raphaël Gomès <rgomes@octobus.net>
parents:
50989
diff
changeset
|
525 |
let start = rev.0 as usize * INDEX_ENTRY_SIZE; |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
526 |
let end = start + INDEX_ENTRY_SIZE; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
527 |
let bytes = &self.bytes[start..end]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
528 |
|
45594
f38adf8b0711
hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
529 |
// Override the offset of the first revision as its bytes are used |
f38adf8b0711
hg-core: Explain offset override of first revision
Antoine cezar<acezar@chwitlabs.fr>
parents:
45593
diff
changeset
|
530 |
// for the index's metadata (saving space because it is always 0) |
50990
4c5f6e95df84
rust: make `Revision` a newtype
Raphaël Gomès <rgomes@octobus.net>
parents:
50989
diff
changeset
|
531 |
let offset_override = if rev == Revision(0) { Some(0) } else { None }; |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
532 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
533 |
IndexEntry { |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
534 |
bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
535 |
offset_override, |
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
536 |
} |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
537 |
} |
51210
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
538 |
|
51239
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
539 |
fn null_entry(&self) -> IndexEntry { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
540 |
IndexEntry { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
541 |
bytes: &[0; INDEX_ENTRY_SIZE], |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
542 |
offset_override: Some(0), |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
543 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
544 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
545 |
|
51236
a7bba7df9189
rust-index: implement headrevs
Raphaël Gomès <rgomes@octobus.net>
parents:
51234
diff
changeset
|
546 |
/// Return the head revisions of this index |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
547 |
pub fn head_revs(&self) -> Result<Vec<Revision>, GraphError> { |
51282
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
548 |
self.head_revs_filtered(&HashSet::new(), false) |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
549 |
.map(|h| h.unwrap()) |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
550 |
} |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
551 |
|
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
552 |
/// Python-specific shortcut to save on PyList creation |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
553 |
pub fn head_revs_shortcut( |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
554 |
&self, |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
555 |
) -> Result<Option<Vec<Revision>>, GraphError> { |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
556 |
self.head_revs_filtered(&HashSet::new(), true) |
51237
9f876765cbe2
rust-index: add support for `headrevsfiltered`
Raphaël Gomès <rgomes@octobus.net>
parents:
51236
diff
changeset
|
557 |
} |
9f876765cbe2
rust-index: add support for `headrevsfiltered`
Raphaël Gomès <rgomes@octobus.net>
parents:
51236
diff
changeset
|
558 |
|
9f876765cbe2
rust-index: add support for `headrevsfiltered`
Raphaël Gomès <rgomes@octobus.net>
parents:
51236
diff
changeset
|
559 |
/// Return the head revisions of this index |
9f876765cbe2
rust-index: add support for `headrevsfiltered`
Raphaël Gomès <rgomes@octobus.net>
parents:
51236
diff
changeset
|
560 |
pub fn head_revs_filtered( |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
561 |
&self, |
51237
9f876765cbe2
rust-index: add support for `headrevsfiltered`
Raphaël Gomès <rgomes@octobus.net>
parents:
51236
diff
changeset
|
562 |
filtered_revs: &HashSet<Revision>, |
51282
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
563 |
py_shortcut: bool, |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
564 |
) -> Result<Option<Vec<Revision>>, GraphError> { |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
565 |
{ |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
566 |
let guard = self |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
567 |
.head_revs |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
568 |
.read() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
569 |
.expect("RwLock on Index.head_revs should not be poisoned"); |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
570 |
let self_head_revs = &guard.0; |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
571 |
let self_filtered_revs = &guard.1; |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
572 |
if !self_head_revs.is_empty() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
573 |
&& filtered_revs == self_filtered_revs |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
574 |
{ |
51282
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
575 |
if py_shortcut { |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
576 |
// Don't copy the revs since we've already cached them |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
577 |
// on the Python side. |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
578 |
return Ok(None); |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
579 |
} else { |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
580 |
return Ok(Some(self_head_revs.to_owned())); |
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
581 |
} |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
582 |
} |
51236
a7bba7df9189
rust-index: implement headrevs
Raphaël Gomès <rgomes@octobus.net>
parents:
51234
diff
changeset
|
583 |
} |
51280
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
584 |
|
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
585 |
let as_vec = if self.is_empty() { |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
586 |
vec![NULL_REVISION] |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
587 |
} else { |
51281
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
588 |
let mut not_heads = bitvec![0; self.len()]; |
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
589 |
dagops::retain_heads_fast( |
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
590 |
self, |
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
591 |
not_heads.as_mut_bitslice(), |
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
592 |
filtered_revs, |
c4f1a790bda8
rust-index: use a `BitVec` instead of plain `Vec` for heads computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51280
diff
changeset
|
593 |
)?; |
51280
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
594 |
not_heads |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
595 |
.into_iter() |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
596 |
.enumerate() |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
597 |
.filter_map(|(idx, is_not_head)| { |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
598 |
if is_not_head { |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
599 |
None |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
600 |
} else { |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
601 |
Some(Revision(idx as BaseRevision)) |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
602 |
} |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
603 |
}) |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
604 |
.collect() |
ed6683d4cb29
rust-index: implement faster retain heads using a vec instead of a hashset
Raphaël Gomès <rgomes@octobus.net>
parents:
51278
diff
changeset
|
605 |
}; |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
606 |
*self |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
607 |
.head_revs |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
608 |
.write() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
609 |
.expect("RwLock on Index.head_revs should not be poisoned") = |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
610 |
(as_vec.to_owned(), filtered_revs.to_owned()); |
51282
9088c6d65ef6
rust-index-cpython: cache the heads' PyList representation
Raphaël Gomès <rgomes@octobus.net>
parents:
51281
diff
changeset
|
611 |
Ok(Some(as_vec)) |
51236
a7bba7df9189
rust-index: implement headrevs
Raphaël Gomès <rgomes@octobus.net>
parents:
51234
diff
changeset
|
612 |
} |
a7bba7df9189
rust-index: implement headrevs
Raphaël Gomès <rgomes@octobus.net>
parents:
51234
diff
changeset
|
613 |
|
51234
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
614 |
/// Obtain the delta chain for a revision. |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
615 |
/// |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
616 |
/// `stop_rev` specifies a revision to stop at. If not specified, we |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
617 |
/// stop at the base of the chain. |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
618 |
/// |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
619 |
/// Returns a 2-tuple of (chain, stopped) where `chain` is a vec of |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
620 |
/// revs in ascending order and `stopped` is a bool indicating whether |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
621 |
/// `stoprev` was hit. |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
622 |
pub fn delta_chain( |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
623 |
&self, |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
624 |
rev: Revision, |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
625 |
stop_rev: Option<Revision>, |
51256
456e0fe702e8
rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51255
diff
changeset
|
626 |
using_general_delta: Option<bool>, |
51234
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
627 |
) -> Result<(Vec<Revision>, bool), HgError> { |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
628 |
let mut current_rev = rev; |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
629 |
let mut entry = self.get_entry(rev).unwrap(); |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
630 |
let mut chain = vec![]; |
51256
456e0fe702e8
rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51255
diff
changeset
|
631 |
let using_general_delta = |
456e0fe702e8
rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51255
diff
changeset
|
632 |
using_general_delta.unwrap_or_else(|| self.uses_generaldelta()); |
51234
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
633 |
while current_rev.0 != entry.base_revision_or_base_of_delta_chain().0 |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
634 |
&& stop_rev.map(|r| r != current_rev).unwrap_or(true) |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
635 |
{ |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
636 |
chain.push(current_rev); |
51256
456e0fe702e8
rust-index: honour incoming using_general_delta in `deltachain`
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51255
diff
changeset
|
637 |
let new_rev = if using_general_delta { |
51234
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
638 |
entry.base_revision_or_base_of_delta_chain() |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
639 |
} else { |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
640 |
UncheckedRevision(current_rev.0 - 1) |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
641 |
}; |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
642 |
current_rev = self.check_revision(new_rev).ok_or_else(|| { |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
643 |
HgError::corrupted(format!("Revision {new_rev} out of range")) |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
644 |
})?; |
51239
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
645 |
if current_rev.0 == NULL_REVISION.0 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
646 |
break; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
647 |
} |
51234
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
648 |
entry = self.get_entry(current_rev).unwrap() |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
649 |
} |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
650 |
|
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
651 |
let stopped = if stop_rev.map(|r| current_rev == r).unwrap_or(false) { |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
652 |
true |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
653 |
} else { |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
654 |
chain.push(current_rev); |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
655 |
false |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
656 |
}; |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
657 |
chain.reverse(); |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
658 |
Ok((chain, stopped)) |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
659 |
} |
62e39bef36ca
rust-index: add support for delta-chain computation
Raphaël Gomès <rgomes@octobus.net>
parents:
51233
diff
changeset
|
660 |
|
51233
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
661 |
pub fn find_snapshots( |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
662 |
&self, |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
663 |
start_rev: UncheckedRevision, |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
664 |
end_rev: UncheckedRevision, |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
665 |
cache: &mut impl SnapshotsCache, |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
666 |
) -> Result<(), RevlogError> { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
667 |
let mut start_rev = start_rev.0; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
668 |
let mut end_rev = end_rev.0; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
669 |
end_rev += 1; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
670 |
let len = self.len().try_into().unwrap(); |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
671 |
if end_rev > len { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
672 |
end_rev = len; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
673 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
674 |
if start_rev < 0 { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
675 |
start_rev = 0; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
676 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
677 |
for rev in start_rev..end_rev { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
678 |
if !self.is_snapshot_unchecked(Revision(rev))? { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
679 |
continue; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
680 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
681 |
let mut base = self |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
682 |
.get_entry(Revision(rev)) |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
683 |
.unwrap() |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
684 |
.base_revision_or_base_of_delta_chain(); |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
685 |
if base.0 == rev { |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
686 |
base = NULL_REVISION.into(); |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
687 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
688 |
cache.insert_for(base.0, rev)?; |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
689 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
690 |
Ok(()) |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
691 |
} |
9b06e7f32bc5
rust-index: add support for `find_snapshots`
Raphaël Gomès <rgomes@octobus.net>
parents:
51232
diff
changeset
|
692 |
|
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
693 |
fn clear_head_revs(&self) { |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
694 |
self.head_revs |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
695 |
.write() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
696 |
.expect("RwLock on Index.head_revs should not be poisoined") |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
697 |
.0 |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
698 |
.clear() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
699 |
} |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
700 |
|
51210
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
701 |
/// TODO move this to the trait probably, along with other things |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
702 |
pub fn append( |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
703 |
&mut self, |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
704 |
revision_data: RevisionDataParams, |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
705 |
) -> Result<(), RevlogError> { |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
706 |
revision_data.validate()?; |
51285
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
707 |
if self.is_inline() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
708 |
let new_offset = self.bytes.len(); |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
709 |
if let Some(offsets) = &mut *self.get_offsets_mut() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
710 |
offsets.push(new_offset) |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
711 |
} |
51210
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
712 |
} |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
713 |
self.bytes.added.extend(revision_data.into_v1().as_bytes()); |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
714 |
self.clear_head_revs(); |
51210
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
715 |
Ok(()) |
b4d152a28742
rust-index: add append method
Raphaël Gomès <rgomes@octobus.net>
parents:
51209
diff
changeset
|
716 |
} |
51216
f6403bcd9f96
rust-index: synchronize remove to Rust index
Raphaël Gomès <rgomes@octobus.net>
parents:
51213
diff
changeset
|
717 |
|
51219
51cc12158f97
rust-index: add `pack_header` support
Raphaël Gomès <rgomes@octobus.net>
parents:
51218
diff
changeset
|
718 |
pub fn pack_header(&self, header: i32) -> [u8; 4] { |
51cc12158f97
rust-index: add `pack_header` support
Raphaël Gomès <rgomes@octobus.net>
parents:
51218
diff
changeset
|
719 |
header.to_be_bytes() |
51cc12158f97
rust-index: add `pack_header` support
Raphaël Gomès <rgomes@octobus.net>
parents:
51218
diff
changeset
|
720 |
} |
51cc12158f97
rust-index: add `pack_header` support
Raphaël Gomès <rgomes@octobus.net>
parents:
51218
diff
changeset
|
721 |
|
51216
f6403bcd9f96
rust-index: synchronize remove to Rust index
Raphaël Gomès <rgomes@octobus.net>
parents:
51213
diff
changeset
|
722 |
pub fn remove(&mut self, rev: Revision) -> Result<(), RevlogError> { |
51285
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
723 |
let offsets = if self.is_inline() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
724 |
self.get_offsets().clone() |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
725 |
} else { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
726 |
None |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
727 |
}; |
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
728 |
self.bytes.remove(rev, offsets.as_deref())?; |
51285
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
729 |
if self.is_inline() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
730 |
if let Some(offsets) = &mut *self.get_offsets_mut() { |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
731 |
offsets.truncate(rev.0 as usize) |
47a34afda7ad
rust-index: only access offsets if revlog is inline
Raphaël Gomès <rgomes@octobus.net>
parents:
51282
diff
changeset
|
732 |
} |
51216
f6403bcd9f96
rust-index: synchronize remove to Rust index
Raphaël Gomès <rgomes@octobus.net>
parents:
51213
diff
changeset
|
733 |
} |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
734 |
self.clear_head_revs(); |
51216
f6403bcd9f96
rust-index: synchronize remove to Rust index
Raphaël Gomès <rgomes@octobus.net>
parents:
51213
diff
changeset
|
735 |
Ok(()) |
f6403bcd9f96
rust-index: synchronize remove to Rust index
Raphaël Gomès <rgomes@octobus.net>
parents:
51213
diff
changeset
|
736 |
} |
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
737 |
|
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
738 |
pub fn clear_caches(&self) { |
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
739 |
// We need to get the 'inline' value from Python at init and use this |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
740 |
// instead of offsets to determine whether we're inline since we might |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
741 |
// clear caches. This implies re-populating the offsets on-demand. |
51255
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
742 |
*self |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
743 |
.offsets |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
744 |
.write() |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
745 |
.expect("RwLock on Index.offsets should not be poisoed") = None; |
59183a19954e
rust-index: use interior mutability in head revs and caches
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51254
diff
changeset
|
746 |
self.clear_head_revs(); |
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
747 |
} |
51232
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
748 |
|
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
749 |
/// Unchecked version of `is_snapshot`. |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
750 |
/// Assumes the caller checked that `rev` is within a valid revision range. |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
751 |
pub fn is_snapshot_unchecked( |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
752 |
&self, |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
753 |
mut rev: Revision, |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
754 |
) -> Result<bool, RevlogError> { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
755 |
while rev.0 >= 0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
756 |
let entry = self.get_entry(rev).unwrap(); |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
757 |
let mut base = entry.base_revision_or_base_of_delta_chain().0; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
758 |
if base == rev.0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
759 |
base = NULL_REVISION.0; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
760 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
761 |
if base == NULL_REVISION.0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
762 |
return Ok(true); |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
763 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
764 |
let [mut p1, mut p2] = self |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
765 |
.parents(rev) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
766 |
.map_err(|_| RevlogError::InvalidRevision)?; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
767 |
while let Some(p1_entry) = self.get_entry(p1) { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
768 |
if p1_entry.compressed_len() != 0 || p1.0 == 0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
769 |
break; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
770 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
771 |
let parent_base = |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
772 |
p1_entry.base_revision_or_base_of_delta_chain(); |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
773 |
if parent_base.0 == p1.0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
774 |
break; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
775 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
776 |
p1 = self |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
777 |
.check_revision(parent_base) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
778 |
.ok_or(RevlogError::InvalidRevision)?; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
779 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
780 |
while let Some(p2_entry) = self.get_entry(p2) { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
781 |
if p2_entry.compressed_len() != 0 || p2.0 == 0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
782 |
break; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
783 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
784 |
let parent_base = |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
785 |
p2_entry.base_revision_or_base_of_delta_chain(); |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
786 |
if parent_base.0 == p2.0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
787 |
break; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
788 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
789 |
p2 = self |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
790 |
.check_revision(parent_base) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
791 |
.ok_or(RevlogError::InvalidRevision)?; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
792 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
793 |
if base == p1.0 || base == p2.0 { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
794 |
return Ok(false); |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
795 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
796 |
rev = self |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
797 |
.check_revision(base.into()) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
798 |
.ok_or(RevlogError::InvalidRevision)?; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
799 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
800 |
Ok(rev == NULL_REVISION) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
801 |
} |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
802 |
|
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
803 |
/// Return whether the given revision is a snapshot. Returns an error if |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
804 |
/// `rev` is not within a valid revision range. |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
805 |
pub fn is_snapshot( |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
806 |
&self, |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
807 |
rev: UncheckedRevision, |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
808 |
) -> Result<bool, RevlogError> { |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
809 |
let rev = self |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
810 |
.check_revision(rev) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
811 |
.ok_or_else(|| RevlogError::corrupted("test"))?; |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
812 |
self.is_snapshot_unchecked(rev) |
b8c89957a6b7
rust-index: add `is_snapshot` method
Raphaël Gomès <rgomes@octobus.net>
parents:
51230
diff
changeset
|
813 |
} |
51239
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
814 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
815 |
/// Slice revs to reduce the amount of unrelated data to be read from disk. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
816 |
/// |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
817 |
/// The index is sliced into groups that should be read in one time. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
818 |
/// |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
819 |
/// The initial chunk is sliced until the overall density |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
820 |
/// (payload/chunks-span ratio) is above `target_density`. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
821 |
/// No gap smaller than `min_gap_size` is skipped. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
822 |
pub fn slice_chunk_to_density( |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
823 |
&self, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
824 |
revs: &[Revision], |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
825 |
target_density: f64, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
826 |
min_gap_size: usize, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
827 |
) -> Vec<Vec<Revision>> { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
828 |
if revs.is_empty() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
829 |
return vec![]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
830 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
831 |
if revs.len() == 1 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
832 |
return vec![revs.to_owned()]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
833 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
834 |
let delta_chain_span = self.segment_span(revs); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
835 |
if delta_chain_span < min_gap_size { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
836 |
return vec![revs.to_owned()]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
837 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
838 |
let entries: Vec<_> = revs |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
839 |
.iter() |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
840 |
.map(|r| { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
841 |
(*r, self.get_entry(*r).unwrap_or_else(|| self.null_entry())) |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
842 |
}) |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
843 |
.collect(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
844 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
845 |
let mut read_data = delta_chain_span; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
846 |
let chain_payload: u32 = |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
847 |
entries.iter().map(|(_r, e)| e.compressed_len()).sum(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
848 |
let mut density = if delta_chain_span > 0 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
849 |
chain_payload as f64 / delta_chain_span as f64 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
850 |
} else { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
851 |
1.0 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
852 |
}; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
853 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
854 |
if density >= target_density { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
855 |
return vec![revs.to_owned()]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
856 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
857 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
858 |
// Store the gaps in a heap to have them sorted by decreasing size |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
859 |
let mut gaps = Vec::new(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
860 |
let mut previous_end = None; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
861 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
862 |
for (i, (_rev, entry)) in entries.iter().enumerate() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
863 |
let start = entry.c_start() as usize; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
864 |
let length = entry.compressed_len(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
865 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
866 |
// Skip empty revisions to form larger holes |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
867 |
if length == 0 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
868 |
continue; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
869 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
870 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
871 |
if let Some(end) = previous_end { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
872 |
let gap_size = start - end; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
873 |
// Only consider holes that are large enough |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
874 |
if gap_size > min_gap_size { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
875 |
gaps.push((gap_size, i)); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
876 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
877 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
878 |
previous_end = Some(start + length as usize); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
879 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
880 |
if gaps.is_empty() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
881 |
return vec![revs.to_owned()]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
882 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
883 |
// sort the gaps to pop them from largest to small |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
884 |
gaps.sort_unstable(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
885 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
886 |
// Collect the indices of the largest holes until |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
887 |
// the density is acceptable |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
888 |
let mut selected = vec![]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
889 |
while let Some((gap_size, gap_id)) = gaps.pop() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
890 |
if density >= target_density { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
891 |
break; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
892 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
893 |
selected.push(gap_id); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
894 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
895 |
// The gap sizes are stored as negatives to be sorted decreasingly |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
896 |
// by the heap |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
897 |
read_data -= gap_size; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
898 |
density = if read_data > 0 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
899 |
chain_payload as f64 / read_data as f64 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
900 |
} else { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
901 |
1.0 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
902 |
}; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
903 |
if density >= target_density { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
904 |
break; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
905 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
906 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
907 |
selected.sort_unstable(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
908 |
selected.push(revs.len()); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
909 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
910 |
// Cut the revs at collected indices |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
911 |
let mut previous_idx = 0; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
912 |
let mut chunks = vec![]; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
913 |
for idx in selected { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
914 |
let chunk = self.trim_chunk(&entries, previous_idx, idx); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
915 |
if !chunk.is_empty() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
916 |
chunks.push(chunk.iter().map(|(rev, _entry)| *rev).collect()); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
917 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
918 |
previous_idx = idx; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
919 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
920 |
let chunk = self.trim_chunk(&entries, previous_idx, entries.len()); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
921 |
if !chunk.is_empty() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
922 |
chunks.push(chunk.iter().map(|(rev, _entry)| *rev).collect()); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
923 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
924 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
925 |
chunks |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
926 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
927 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
928 |
/// Get the byte span of a segment of sorted revisions. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
929 |
/// |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
930 |
/// Occurrences of [`NULL_REVISION`] are ignored at the beginning of |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
931 |
/// the `revs` segment. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
932 |
/// |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
933 |
/// panics: |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
934 |
/// - if `revs` is empty or only made of `NULL_REVISION` |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
935 |
/// - if cannot retrieve entry for the last or first not null element of |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
936 |
/// `revs`. |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
937 |
fn segment_span(&self, revs: &[Revision]) -> usize { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
938 |
if revs.is_empty() { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
939 |
return 0; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
940 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
941 |
let last_entry = &self.get_entry(revs[revs.len() - 1]).unwrap(); |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
942 |
let end = last_entry.c_start() + last_entry.compressed_len() as u64; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
943 |
let first_rev = revs.iter().find(|r| r.0 != NULL_REVISION.0).unwrap(); |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
944 |
let start = if first_rev.0 == 0 { |
51239
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
945 |
0 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
946 |
} else { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
947 |
self.get_entry(*first_rev).unwrap().c_start() |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
948 |
}; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
949 |
(end - start) as usize |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
950 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
951 |
|
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
952 |
/// Returns `&revs[startidx..endidx]` without empty trailing revs |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
953 |
fn trim_chunk<'a>( |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
954 |
&'a self, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
955 |
revs: &'a [(Revision, IndexEntry)], |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
956 |
start: usize, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
957 |
mut end: usize, |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
958 |
) -> &'a [(Revision, IndexEntry)] { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
959 |
// Trim empty revs at the end, except the very first rev of a chain |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
960 |
let last_rev = revs[end - 1].0; |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
961 |
if last_rev.0 < self.len() as BaseRevision { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
962 |
while end > 1 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
963 |
&& end > start |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
964 |
&& revs[end - 1].1.compressed_len() == 0 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
965 |
{ |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
966 |
end -= 1 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
967 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
968 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
969 |
&revs[start..end] |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
970 |
} |
51241
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
971 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
972 |
/// Computes the set of revisions for each non-public phase from `roots`, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
973 |
/// which are the last known roots for each non-public phase. |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
974 |
pub fn compute_phases_map_sets( |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
975 |
&self, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
976 |
roots: HashMap<Phase, Vec<Revision>>, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
977 |
) -> Result<(usize, RootsPerPhase), GraphError> { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
978 |
let mut phases = HashMap::new(); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
979 |
let mut min_phase_rev = NULL_REVISION; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
980 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
981 |
for phase in Phase::non_public_phases() { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
982 |
if let Some(phase_roots) = roots.get(phase) { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
983 |
let min_rev = |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
984 |
self.add_roots_get_min(phase_roots, &mut phases, *phase); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
985 |
if min_rev != NULL_REVISION |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
986 |
&& (min_phase_rev == NULL_REVISION |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
987 |
|| min_rev < min_phase_rev) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
988 |
{ |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
989 |
min_phase_rev = min_rev; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
990 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
991 |
} else { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
992 |
continue; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
993 |
}; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
994 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
995 |
let mut phase_sets: RootsPerPhase = Default::default(); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
996 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
997 |
if min_phase_rev == NULL_REVISION { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
998 |
min_phase_rev = Revision(self.len() as BaseRevision); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
999 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1000 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1001 |
for rev in min_phase_rev.0..self.len() as BaseRevision { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1002 |
let rev = Revision(rev); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1003 |
let [p1, p2] = self.parents(rev)?; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1004 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1005 |
const DEFAULT_PHASE: &Phase = &Phase::Public; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1006 |
if p1.0 >= 0 |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1007 |
&& phases.get(&p1).unwrap_or(DEFAULT_PHASE) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1008 |
> phases.get(&rev).unwrap_or(DEFAULT_PHASE) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1009 |
{ |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1010 |
phases.insert(rev, phases[&p1]); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1011 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1012 |
if p2.0 >= 0 |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1013 |
&& phases.get(&p2).unwrap_or(DEFAULT_PHASE) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1014 |
> phases.get(&rev).unwrap_or(DEFAULT_PHASE) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1015 |
{ |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1016 |
phases.insert(rev, phases[&p2]); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1017 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1018 |
let set = match phases.get(&rev).unwrap_or(DEFAULT_PHASE) { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1019 |
Phase::Public => continue, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1020 |
phase => &mut phase_sets[*phase as usize - 1], |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1021 |
}; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1022 |
set.insert(rev); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1023 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1024 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1025 |
Ok((self.len(), phase_sets)) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1026 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1027 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1028 |
fn add_roots_get_min( |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1029 |
&self, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1030 |
phase_roots: &[Revision], |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1031 |
phases: &mut HashMap<Revision, Phase>, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1032 |
phase: Phase, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1033 |
) -> Revision { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1034 |
let mut min_rev = NULL_REVISION; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1035 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1036 |
for root in phase_roots { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1037 |
phases.insert(*root, phase); |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1038 |
if min_rev == NULL_REVISION || min_rev > *root { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1039 |
min_rev = *root; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1040 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1041 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1042 |
min_rev |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1043 |
} |
51243
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1044 |
|
fc05dd74e907
rust-index: add support for `reachableroots2`
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parents:
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diff
changeset
|
1045 |
/// Return `(heads(::(<roots> and <roots>::<heads>)))` |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1046 |
/// If `include_path` is `true`, return `(<roots>::<heads>)`.""" |
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Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1047 |
/// |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1048 |
/// `min_root` and `roots` are unchecked since they are just used as |
fc05dd74e907
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parents:
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diff
changeset
|
1049 |
/// a bound or for comparison and don't need to represent a valid revision. |
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parents:
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changeset
|
1050 |
/// In practice, the only invalid revision passed is the working directory |
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Raphaël Gomès <rgomes@octobus.net>
parents:
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changeset
|
1051 |
/// revision ([`i32::MAX`]). |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1052 |
pub fn reachable_roots( |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1053 |
&self, |
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rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1054 |
min_root: UncheckedRevision, |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1055 |
mut heads: Vec<Revision>, |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1056 |
roots: HashSet<UncheckedRevision>, |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1057 |
include_path: bool, |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1058 |
) -> Result<HashSet<Revision>, GraphError> { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1059 |
if roots.is_empty() { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1060 |
return Ok(HashSet::new()); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1061 |
} |
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rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1062 |
let mut reachable = HashSet::new(); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1063 |
let mut seen = HashMap::new(); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1064 |
|
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1065 |
while let Some(rev) = heads.pop() { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1066 |
if roots.contains(&rev.into()) { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1067 |
reachable.insert(rev); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1068 |
if !include_path { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1069 |
continue; |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1070 |
} |
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rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1071 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1072 |
let parents = self.parents(rev)?; |
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rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1073 |
seen.insert(rev, parents); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1074 |
for parent in parents { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1075 |
if parent.0 >= min_root.0 && !seen.contains_key(&parent) { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1076 |
heads.push(parent); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1077 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1078 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1079 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1080 |
if !include_path { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1081 |
return Ok(reachable); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1082 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1083 |
let mut revs: Vec<_> = seen.keys().collect(); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1084 |
revs.sort_unstable(); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1085 |
for rev in revs { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1086 |
for parent in seen[rev] { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1087 |
if reachable.contains(&parent) { |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1088 |
reachable.insert(*rev); |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1089 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1090 |
} |
fc05dd74e907
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Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1091 |
} |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
51241
diff
changeset
|
1092 |
Ok(reachable) |
fc05dd74e907
rust-index: add support for `reachableroots2`
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1093 |
} |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1094 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1095 |
/// Given a (possibly overlapping) set of revs, return all the |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1096 |
/// common ancestors heads: `heads(::args[0] and ::a[1] and ...)` |
51246
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1097 |
pub fn common_ancestor_heads( |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1098 |
&self, |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1099 |
revisions: &[Revision], |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1100 |
) -> Result<Vec<Revision>, GraphError> { |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1101 |
// given that revisions is expected to be small, we find this shortcut |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1102 |
// potentially acceptable, especially given that `hg-cpython` could |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1103 |
// very much bypass this, constructing a vector of unique values from |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1104 |
// the onset. |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1105 |
let as_set: HashSet<Revision> = revisions.iter().copied().collect(); |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1106 |
// Besides deduplicating, the C version also implements the shortcut |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1107 |
// for `NULL_REVISION`: |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1108 |
if as_set.contains(&NULL_REVISION) { |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1109 |
return Ok(vec![]); |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1110 |
} |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1111 |
|
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1112 |
let revisions: Vec<Revision> = as_set.into_iter().collect(); |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1113 |
|
51250
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents:
51249
diff
changeset
|
1114 |
if revisions.len() < 8 { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents:
51249
diff
changeset
|
1115 |
self.find_gca_candidates::<u8>(&revisions) |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents:
51249
diff
changeset
|
1116 |
} else if revisions.len() < 64 { |
51246
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1117 |
self.find_gca_candidates::<u64>(&revisions) |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1118 |
} else { |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1119 |
self.find_gca_candidates::<NonStaticPoisonableBitSet>(&revisions) |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1120 |
} |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
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diff
changeset
|
1121 |
} |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1122 |
|
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1123 |
pub fn ancestors( |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1124 |
&self, |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1125 |
revisions: &[Revision], |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1126 |
) -> Result<Vec<Revision>, GraphError> { |
89ce6a49bfeb
rust-index: implement common_ancestors_heads() and ancestors()
Georges Racinet <georges.racinet@octobus.net>
parents:
51245
diff
changeset
|
1127 |
self.find_deepest_revs(&self.common_ancestor_heads(revisions)?) |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1128 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1129 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1130 |
/// Given a disjoint set of revs, return all candidates for the |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1131 |
/// greatest common ancestor. In revset notation, this is the set |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1132 |
/// `heads(::a and ::b and ...)` |
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1133 |
fn find_gca_candidates<BS: PoisonableBitSet + Clone>( |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1134 |
&self, |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1135 |
revs: &[Revision], |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1136 |
) -> Result<Vec<Revision>, GraphError> { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1137 |
if revs.is_empty() { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1138 |
return Ok(vec![]); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1139 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1140 |
let revcount = revs.len(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
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diff
changeset
|
1141 |
let mut candidates = vec![]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1142 |
let max_rev = revs.iter().max().unwrap(); |
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1143 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1144 |
let mut seen = BS::vec_of_empty(revs.len(), (max_rev.0 + 1) as usize); |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1145 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1146 |
for (idx, rev) in revs.iter().enumerate() { |
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1147 |
seen[rev.0 as usize].add(idx); |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1148 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1149 |
let mut current_rev = *max_rev; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1150 |
// Number of revisions whose inspection in the main loop |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1151 |
// will give a result or trigger inspection of other revisions |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1152 |
let mut interesting = revcount; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1153 |
|
51247
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1154 |
// The algorithm works on a vector of bit sets, indexed by revision |
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1155 |
// numbers and iterated on reverse order. |
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1156 |
// An entry in this vector is poisoned if and only if the corresponding |
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1157 |
// revision is a common, yet not maximal ancestor. |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1158 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1159 |
// The principle of the algorithm is as follows: |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1160 |
// For a revision `r`, when entering the loop, `seen[r]` is either |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1161 |
// poisoned or the sub set of `revs` of which `r` is an ancestor. |
51247
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1162 |
// In this sub set is full, then `r` is a solution and its parents |
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1163 |
// have to be poisoned. |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1164 |
// |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1165 |
// At each iteration, the bit sets of the parents are updated by |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1166 |
// union with `seen[r]`. |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1167 |
// As we walk the index from the end, we are sure we have encountered |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1168 |
// all children of `r` before `r`, hence we know that `seen[r]` is |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1169 |
// fully computed. |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1170 |
// |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1171 |
// On top of that there are several optimizations that make reading |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1172 |
// less obvious than the comment above: |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1173 |
// - The `interesting` counter allows to break early |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1174 |
// - The loop starts from `max(revs)` |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1175 |
// - Early return in case it is detected that one of the incoming revs |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1176 |
// is a common ancestor of all of them. |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1177 |
while current_rev.0 >= 0 && interesting > 0 { |
51247
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1178 |
let current_seen = seen[current_rev.0 as usize].clone(); |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1179 |
|
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1180 |
if current_seen.is_empty() { |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1181 |
current_rev = Revision(current_rev.0 - 1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1182 |
continue; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1183 |
} |
51247
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1184 |
let mut poison = current_seen.is_poisoned(); |
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1185 |
if !poison { |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1186 |
interesting -= 1; |
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1187 |
if current_seen.is_full_range(revcount) { |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1188 |
candidates.push(current_rev); |
51247
83091c14058c
rust-index: avoid some cloning in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51246
diff
changeset
|
1189 |
poison = true; |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1190 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1191 |
// Being a common ancestor, if `current_rev` is among |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1192 |
// the input revisions, it is *the* answer. |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1193 |
for rev in revs { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1194 |
if *rev == current_rev { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1195 |
return Ok(candidates); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1196 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1197 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1198 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1199 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1200 |
for parent in self.parents(current_rev)? { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1201 |
if parent == NULL_REVISION { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1202 |
continue; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1203 |
} |
51249
61a6ef876efd
rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51248
diff
changeset
|
1204 |
let parent_seen = &mut seen[parent.0 as usize]; |
51248
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1205 |
if poison { |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1206 |
// this block is logically equivalent to poisoning parent |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1207 |
// and counting it as non interesting if it |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1208 |
// has been seen before (hence counted then as interesting) |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1209 |
if !parent_seen.is_empty() && !parent_seen.is_poisoned() { |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1210 |
interesting -= 1; |
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1211 |
} |
51249
61a6ef876efd
rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51248
diff
changeset
|
1212 |
parent_seen.poison(); |
51248
e553cd209215
rust-index: avoid double negation in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51247
diff
changeset
|
1213 |
} else { |
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1214 |
if parent_seen.is_empty() { |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1215 |
interesting += 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1216 |
} |
51249
61a6ef876efd
rust-index: simplification in find_gca_candidates()
Georges Racinet <georges.racinet@octobus.net>
parents:
51248
diff
changeset
|
1217 |
parent_seen.union(¤t_seen); |
51244
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1218 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1219 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1220 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1221 |
current_rev = Revision(current_rev.0 - 1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1222 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1223 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1224 |
Ok(candidates) |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1225 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1226 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1227 |
/// Given a disjoint set of revs, return the subset with the longest path |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1228 |
/// to the root. |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1229 |
fn find_deepest_revs( |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1230 |
&self, |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1231 |
revs: &[Revision], |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1232 |
) -> Result<Vec<Revision>, GraphError> { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1233 |
// TODO replace this all with just comparing rank? |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1234 |
// Also, the original implementations in C/Python are cryptic, not |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1235 |
// even sure we actually need this? |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1236 |
if revs.len() <= 1 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1237 |
return Ok(revs.to_owned()); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1238 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1239 |
let max_rev = revs.iter().max().unwrap().0; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1240 |
let mut interesting = HashMap::new(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1241 |
let mut seen = vec![0; max_rev as usize + 1]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1242 |
let mut depth = vec![0; max_rev as usize + 1]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1243 |
let mut mapping = vec![]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1244 |
let mut revs = revs.to_owned(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1245 |
revs.sort_unstable(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1246 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1247 |
for (idx, rev) in revs.iter().enumerate() { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1248 |
depth[rev.0 as usize] = 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1249 |
let shift = 1 << idx; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1250 |
seen[rev.0 as usize] = shift; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1251 |
interesting.insert(shift, 1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1252 |
mapping.push((shift, *rev)); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1253 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1254 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1255 |
let mut current_rev = Revision(max_rev); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1256 |
while current_rev.0 >= 0 && interesting.len() > 1 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1257 |
let current_depth = depth[current_rev.0 as usize]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1258 |
if current_depth == 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1259 |
current_rev = Revision(current_rev.0 - 1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1260 |
continue; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1261 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1262 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1263 |
let current_seen = seen[current_rev.0 as usize]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1264 |
for parent in self.parents(current_rev)? { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1265 |
if parent == NULL_REVISION { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1266 |
continue; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1267 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1268 |
let parent_seen = seen[parent.0 as usize]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1269 |
let parent_depth = depth[parent.0 as usize]; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1270 |
if parent_depth <= current_depth { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1271 |
depth[parent.0 as usize] = current_depth + 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1272 |
if parent_seen != current_seen { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1273 |
*interesting.get_mut(¤t_seen).unwrap() += 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1274 |
seen[parent.0 as usize] = current_seen; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1275 |
if parent_seen != 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1276 |
let parent_interesting = |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1277 |
interesting.get_mut(&parent_seen).unwrap(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1278 |
*parent_interesting -= 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1279 |
if *parent_interesting == 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1280 |
interesting.remove(&parent_seen); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1281 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1282 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1283 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1284 |
} else if current_depth == parent_depth - 1 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1285 |
let either_seen = parent_seen | current_seen; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1286 |
if either_seen == parent_seen { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1287 |
continue; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1288 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1289 |
seen[parent.0 as usize] = either_seen; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1290 |
interesting |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1291 |
.entry(either_seen) |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1292 |
.and_modify(|v| *v += 1) |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1293 |
.or_insert(1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1294 |
*interesting.get_mut(&parent_seen).unwrap() -= 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1295 |
if interesting[&parent_seen] == 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1296 |
interesting.remove(&parent_seen); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1297 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1298 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1299 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1300 |
*interesting.get_mut(¤t_seen).unwrap() -= 1; |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1301 |
if interesting[¤t_seen] == 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1302 |
interesting.remove(¤t_seen); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1303 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1304 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1305 |
current_rev = Revision(current_rev.0 - 1); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1306 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1307 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1308 |
if interesting.len() != 1 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1309 |
return Ok(vec![]); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1310 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1311 |
let mask = interesting.keys().next().unwrap(); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1312 |
|
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1313 |
Ok(mapping |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1314 |
.into_iter() |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1315 |
.filter_map(|(shift, rev)| { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1316 |
if (mask & shift) != 0 { |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1317 |
return Some(rev); |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1318 |
} |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1319 |
None |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1320 |
}) |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1321 |
.collect()) |
42c8dbdb88ad
rust-index: core impl for find_gca_candidates and find_deepest
Raphaël Gomès <rgomes@octobus.net>
parents:
51243
diff
changeset
|
1322 |
} |
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1323 |
} |
51241
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1324 |
|
51245
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1325 |
/// The kind of functionality needed by find_gca_candidates |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1326 |
/// |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1327 |
/// This is a bit mask which can be declared to be "poisoned", which callers |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1328 |
/// interpret to break out of some loops. |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1329 |
/// |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1330 |
/// The maximum capacity of the bit mask is up to the actual implementation |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1331 |
trait PoisonableBitSet: Sized + PartialEq { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1332 |
/// Return a vector of exactly n elements, initialized to be empty. |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1333 |
/// |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1334 |
/// Optimization can vastly depend on implementation. Those being `Copy` |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1335 |
/// and having constant capacity typically can have a very simple |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1336 |
/// implementation. |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1337 |
fn vec_of_empty(sets_size: usize, vec_len: usize) -> Vec<Self>; |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1338 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1339 |
/// The size of the bit mask in memory |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1340 |
fn size(&self) -> usize; |
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changeset
|
1341 |
|
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changeset
|
1342 |
/// The number of elements that can be represented in the set. |
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changeset
|
1343 |
/// |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1344 |
/// Another way to put it is that it is the highest integer `C` such that |
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changeset
|
1345 |
/// the set is guaranteed to always be a subset of the integer range |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1346 |
/// `[0, C)` |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1347 |
fn capacity(&self) -> usize; |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1348 |
|
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1349 |
/// Declare `n` to belong to the set |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1350 |
fn add(&mut self, n: usize); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1351 |
|
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1352 |
/// Declare `n` not to belong to the set |
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changeset
|
1353 |
fn discard(&mut self, n: usize); |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1354 |
|
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1355 |
/// Replace this bit set by its union with other |
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changeset
|
1356 |
fn union(&mut self, other: &Self); |
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changeset
|
1357 |
|
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1358 |
/// Poison the bit set |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1359 |
/// |
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changeset
|
1360 |
/// Interpretation up to the caller |
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changeset
|
1361 |
fn poison(&mut self); |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1362 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1363 |
/// Is the bit set poisoned? |
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changeset
|
1364 |
/// |
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changeset
|
1365 |
/// Interpretation is up to the caller |
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changeset
|
1366 |
fn is_poisoned(&self) -> bool; |
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changeset
|
1367 |
|
43241f31cf5b
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changeset
|
1368 |
/// Is the bit set empty? |
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changeset
|
1369 |
fn is_empty(&self) -> bool; |
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changeset
|
1370 |
|
43241f31cf5b
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changeset
|
1371 |
/// return `true` if and only if the bit is the full range `[0, n)` |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1372 |
/// of integers |
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changeset
|
1373 |
fn is_full_range(&self, n: usize) -> bool; |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1374 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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51244
diff
changeset
|
1375 |
|
43241f31cf5b
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changeset
|
1376 |
const U64_POISON: u64 = 1 << 63; |
51250
1b23aaf5eb7b
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changeset
|
1377 |
const U8_POISON: u8 = 1 << 7; |
51245
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changeset
|
1378 |
|
43241f31cf5b
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changeset
|
1379 |
impl PoisonableBitSet for u64 { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1380 |
fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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diff
changeset
|
1381 |
vec![0u64; vec_len] |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1382 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1383 |
|
43241f31cf5b
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changeset
|
1384 |
fn size(&self) -> usize { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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diff
changeset
|
1385 |
8 |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1386 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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51244
diff
changeset
|
1387 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1388 |
fn capacity(&self) -> usize { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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diff
changeset
|
1389 |
63 |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1390 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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diff
changeset
|
1391 |
|
43241f31cf5b
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changeset
|
1392 |
fn add(&mut self, n: usize) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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diff
changeset
|
1393 |
(*self) |= 1u64 << n; |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1394 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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diff
changeset
|
1395 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1396 |
fn discard(&mut self, n: usize) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1397 |
(*self) &= u64::MAX - (1u64 << n); |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1398 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1399 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1400 |
fn union(&mut self, other: &Self) { |
51249
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changeset
|
1401 |
if *self != *other { |
61a6ef876efd
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diff
changeset
|
1402 |
(*self) |= *other; |
61a6ef876efd
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changeset
|
1403 |
} |
51245
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changeset
|
1404 |
} |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1405 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1406 |
fn is_full_range(&self, n: usize) -> bool { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1407 |
*self + 1 == (1u64 << n) |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1408 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1409 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1410 |
fn is_empty(&self) -> bool { |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1411 |
*self == 0 |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1412 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1413 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1414 |
fn poison(&mut self) { |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1415 |
*self = U64_POISON; |
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changeset
|
1416 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1417 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1418 |
fn is_poisoned(&self) -> bool { |
43241f31cf5b
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changeset
|
1419 |
// equality comparison would be tempting but would not resist |
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changeset
|
1420 |
// operations after poisoning (even if these should be bogus). |
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changeset
|
1421 |
*self >= U64_POISON |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1422 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1423 |
} |
43241f31cf5b
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changeset
|
1424 |
|
51250
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changeset
|
1425 |
impl PoisonableBitSet for u8 { |
1b23aaf5eb7b
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changeset
|
1426 |
fn vec_of_empty(_sets_size: usize, vec_len: usize) -> Vec<Self> { |
1b23aaf5eb7b
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changeset
|
1427 |
vec![0; vec_len] |
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changeset
|
1428 |
} |
1b23aaf5eb7b
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changeset
|
1429 |
|
1b23aaf5eb7b
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changeset
|
1430 |
fn size(&self) -> usize { |
1b23aaf5eb7b
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changeset
|
1431 |
1 |
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changeset
|
1432 |
} |
1b23aaf5eb7b
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changeset
|
1433 |
|
1b23aaf5eb7b
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changeset
|
1434 |
fn capacity(&self) -> usize { |
1b23aaf5eb7b
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changeset
|
1435 |
7 |
1b23aaf5eb7b
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changeset
|
1436 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1437 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1438 |
fn add(&mut self, n: usize) { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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diff
changeset
|
1439 |
(*self) |= 1 << n; |
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rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1440 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1441 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1442 |
fn discard(&mut self, n: usize) { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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diff
changeset
|
1443 |
(*self) &= u8::MAX - (1 << n); |
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rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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diff
changeset
|
1444 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1445 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1446 |
fn union(&mut self, other: &Self) { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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diff
changeset
|
1447 |
if *self != *other { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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diff
changeset
|
1448 |
(*self) |= *other; |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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diff
changeset
|
1449 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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changeset
|
1450 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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diff
changeset
|
1451 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
Georges Racinet <georges.racinet@octobus.net>
parents:
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diff
changeset
|
1452 |
fn is_full_range(&self, n: usize) -> bool { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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diff
changeset
|
1453 |
*self + 1 == (1 << n) |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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changeset
|
1454 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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changeset
|
1455 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1456 |
fn is_empty(&self) -> bool { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1457 |
*self == 0 |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1458 |
} |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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changeset
|
1459 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1460 |
fn poison(&mut self) { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1461 |
*self = U8_POISON; |
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rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1462 |
} |
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parents:
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changeset
|
1463 |
|
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1464 |
fn is_poisoned(&self) -> bool { |
1b23aaf5eb7b
rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1465 |
// equality comparison would be tempting but would not resist |
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changeset
|
1466 |
// operations after poisoning (even if these should be bogus). |
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rust-index: optimize find_gca_candidates() on less than 8 revisions
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changeset
|
1467 |
*self >= U8_POISON |
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changeset
|
1468 |
} |
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parents:
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changeset
|
1469 |
} |
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rust-index: optimize find_gca_candidates() on less than 8 revisions
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parents:
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diff
changeset
|
1470 |
|
51245
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changeset
|
1471 |
/// A poisonable bit set whose capacity is not known at compile time but |
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rust-index: find_gca_candidates bit sets genericization
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parents:
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changeset
|
1472 |
/// is constant after initial construction |
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rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1473 |
/// |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1474 |
/// This can be way further optimized if performance assessments (speed |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1475 |
/// and/or RAM) require it. |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1476 |
/// As far as RAM is concerned, for large vectors of these, the main problem |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1477 |
/// would be the repetition of set_size in each item. We would need a trait |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1478 |
/// to abstract over the idea of a vector of such bit sets to do better. |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1479 |
#[derive(Clone, PartialEq)] |
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rust-index: find_gca_candidates bit sets genericization
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changeset
|
1480 |
struct NonStaticPoisonableBitSet { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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changeset
|
1481 |
set_size: usize, |
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rust-index: find_gca_candidates bit sets genericization
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parents:
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changeset
|
1482 |
bit_set: Vec<u64>, |
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rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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changeset
|
1483 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1484 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1485 |
/// Number of `u64` needed for a [`NonStaticPoisonableBitSet`] of given size |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
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changeset
|
1486 |
fn non_static_poisonable_inner_len(set_size: usize) -> usize { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1487 |
1 + (set_size + 1) / 64 |
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rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1488 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1489 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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changeset
|
1490 |
impl NonStaticPoisonableBitSet { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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changeset
|
1491 |
/// The index of the sub-bit set for the given n, and the index inside |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
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changeset
|
1492 |
/// the latter |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1493 |
fn index(&self, n: usize) -> (usize, usize) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1494 |
(n / 64, n % 64) |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1495 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1496 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1497 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1498 |
/// Mock implementation to ensure that the trait makes sense |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1499 |
impl PoisonableBitSet for NonStaticPoisonableBitSet { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1500 |
fn vec_of_empty(set_size: usize, vec_len: usize) -> Vec<Self> { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1501 |
let tmpl = Self { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1502 |
set_size, |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1503 |
bit_set: vec![0u64; non_static_poisonable_inner_len(set_size)], |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1504 |
}; |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1505 |
vec![tmpl; vec_len] |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1506 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1507 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1508 |
fn size(&self) -> usize { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1509 |
8 + self.bit_set.len() * 8 |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1510 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1511 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1512 |
fn capacity(&self) -> usize { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1513 |
self.set_size |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1514 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1515 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1516 |
fn add(&mut self, n: usize) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1517 |
let (sub_bs, bit_pos) = self.index(n); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1518 |
self.bit_set[sub_bs] |= 1 << bit_pos |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1519 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1520 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1521 |
fn discard(&mut self, n: usize) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1522 |
let (sub_bs, bit_pos) = self.index(n); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
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diff
changeset
|
1523 |
self.bit_set[sub_bs] |= u64::MAX - (1 << bit_pos) |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1524 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1525 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1526 |
fn union(&mut self, other: &Self) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1527 |
assert!( |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1528 |
self.set_size == other.set_size, |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1529 |
"Binary operations on bit sets can only be done on same size" |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1530 |
); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1531 |
for i in 0..self.bit_set.len() - 1 { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1532 |
self.bit_set[i] |= other.bit_set[i] |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1533 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1534 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1535 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1536 |
fn is_full_range(&self, n: usize) -> bool { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1537 |
let (sub_bs, bit_pos) = self.index(n); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1538 |
self.bit_set[..sub_bs].iter().all(|bs| *bs == u64::MAX) |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1539 |
&& self.bit_set[sub_bs] == (1 << (bit_pos + 1)) - 1 |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1540 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1541 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1542 |
fn is_empty(&self) -> bool { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1543 |
self.bit_set.iter().all(|bs| *bs == 0u64) |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1544 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1545 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1546 |
fn poison(&mut self) { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1547 |
let (sub_bs, bit_pos) = self.index(self.set_size); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1548 |
self.bit_set[sub_bs] = 1 << bit_pos; |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1549 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1550 |
|
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1551 |
fn is_poisoned(&self) -> bool { |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1552 |
let (sub_bs, bit_pos) = self.index(self.set_size); |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1553 |
self.bit_set[sub_bs] >= 1 << bit_pos |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1554 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1555 |
} |
43241f31cf5b
rust-index: find_gca_candidates bit sets genericization
Georges Racinet on incendie.racinet.fr <georges@racinet.fr>
parents:
51244
diff
changeset
|
1556 |
|
51241
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1557 |
/// Set of roots of all non-public phases |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1558 |
pub type RootsPerPhase = [HashSet<Revision>; Phase::non_public_phases().len()]; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1559 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1560 |
#[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd, Hash)] |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1561 |
pub enum Phase { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1562 |
Public = 0, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1563 |
Draft = 1, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1564 |
Secret = 2, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1565 |
Archived = 3, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1566 |
Internal = 4, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1567 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1568 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1569 |
impl TryFrom<usize> for Phase { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1570 |
type Error = RevlogError; |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1571 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1572 |
fn try_from(value: usize) -> Result<Self, Self::Error> { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1573 |
Ok(match value { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1574 |
0 => Self::Public, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1575 |
1 => Self::Draft, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1576 |
2 => Self::Secret, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1577 |
32 => Self::Archived, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1578 |
96 => Self::Internal, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1579 |
v => { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1580 |
return Err(RevlogError::corrupted(format!( |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1581 |
"invalid phase value {}", |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1582 |
v |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1583 |
))) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1584 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1585 |
}) |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1586 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1587 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1588 |
|
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1589 |
impl Phase { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1590 |
pub const fn all_phases() -> &'static [Self] { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1591 |
&[ |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1592 |
Self::Public, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1593 |
Self::Draft, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1594 |
Self::Secret, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1595 |
Self::Archived, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1596 |
Self::Internal, |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1597 |
] |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1598 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1599 |
pub const fn non_public_phases() -> &'static [Self] { |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1600 |
&[Self::Draft, Self::Secret, Self::Archived, Self::Internal] |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1601 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1602 |
} |
c817d9f626d3
rust-index: add support for `computephasesmapsets`
Raphaël Gomès <rgomes@octobus.net>
parents:
51239
diff
changeset
|
1603 |
|
51218
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1604 |
fn inline_scan(bytes: &[u8]) -> (usize, Vec<usize>) { |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1605 |
let mut offset: usize = 0; |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1606 |
let mut offsets = Vec::new(); |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1607 |
|
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1608 |
while offset + INDEX_ENTRY_SIZE <= bytes.len() { |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1609 |
offsets.push(offset); |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1610 |
let end = offset + INDEX_ENTRY_SIZE; |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1611 |
let entry = IndexEntry { |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1612 |
bytes: &bytes[offset..end], |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1613 |
offset_override: None, |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1614 |
}; |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1615 |
|
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1616 |
offset += INDEX_ENTRY_SIZE + entry.compressed_len() as usize; |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1617 |
} |
4e6620b7fbbb
rust-index: support cache clearing
Raphaël Gomès <rgomes@octobus.net>
parents:
51216
diff
changeset
|
1618 |
(offset, offsets) |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1619 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1620 |
|
46091
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1621 |
impl super::RevlogIndex for Index { |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1622 |
fn len(&self) -> usize { |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1623 |
self.len() |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1624 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1625 |
|
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1626 |
fn node(&self, rev: Revision) -> Option<&Node> { |
51230
e9d47e2f5dcf
rust-index: add missing special case for null rev
Raphaël Gomès <rgomes@octobus.net>
parents:
51226
diff
changeset
|
1627 |
if rev == NULL_REVISION { |
e9d47e2f5dcf
rust-index: add missing special case for null rev
Raphaël Gomès <rgomes@octobus.net>
parents:
51226
diff
changeset
|
1628 |
return Some(&NULL_NODE); |
e9d47e2f5dcf
rust-index: add missing special case for null rev
Raphaël Gomès <rgomes@octobus.net>
parents:
51226
diff
changeset
|
1629 |
} |
46091
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1630 |
self.get_entry(rev).map(|entry| entry.hash()) |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1631 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1632 |
} |
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1633 |
|
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1634 |
#[derive(Debug)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1635 |
pub struct IndexEntry<'a> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1636 |
bytes: &'a [u8], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1637 |
/// Allows to override the offset value of the entry. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1638 |
/// |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1639 |
/// For interleaved index and data, the offset stored in the index |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1640 |
/// corresponds to the separated data offset. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1641 |
/// It has to be overridden with the actual offset in the interleaved |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1642 |
/// index which is just after the index block. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1643 |
/// |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1644 |
/// For separated index and data, the offset stored in the first index |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1645 |
/// entry is mixed with the index headers. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1646 |
/// It has to be overridden with 0. |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1647 |
offset_override: Option<usize>, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1648 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1649 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1650 |
impl<'a> IndexEntry<'a> { |
45596
da30e4b553c3
hg-core: minor docstring update (D8958#inline-14991 followup)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45595
diff
changeset
|
1651 |
/// Return the offset of the data. |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1652 |
pub fn offset(&self) -> usize { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1653 |
if let Some(offset_override) = self.offset_override { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1654 |
offset_override |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1655 |
} else { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1656 |
let mut bytes = [0; 8]; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1657 |
bytes[2..8].copy_from_slice(&self.bytes[0..=5]); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1658 |
BigEndian::read_u64(&bytes[..]) as usize |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1659 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1660 |
} |
51226
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
1661 |
pub fn raw_offset(&self) -> u64 { |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
1662 |
BigEndian::read_u64(&self.bytes[0..8]) |
002b49905aac
rust-index: implementation of __getitem__
Raphaël Gomès <rgomes@octobus.net>
parents:
51224
diff
changeset
|
1663 |
} |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1664 |
|
51239
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
1665 |
/// Same result (except potentially for rev 0) as C `index_get_start()` |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
1666 |
fn c_start(&self) -> u64 { |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
1667 |
self.raw_offset() >> 16 |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
1668 |
} |
0112803e6c01
rust-index: add support for `_slicechunktodensity`
Raphaël Gomès <rgomes@octobus.net>
parents:
51237
diff
changeset
|
1669 |
|
48575
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48572
diff
changeset
|
1670 |
pub fn flags(&self) -> u16 { |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48572
diff
changeset
|
1671 |
BigEndian::read_u16(&self.bytes[6..=7]) |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48572
diff
changeset
|
1672 |
} |
e91aa800ae5b
rhg: desambiguate status without decompressing filelog if possible
Simon Sapin <simon.sapin@octobus.net>
parents:
48572
diff
changeset
|
1673 |
|
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1674 |
/// Return the compressed length of the data. |
48572
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48497
diff
changeset
|
1675 |
pub fn compressed_len(&self) -> u32 { |
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48497
diff
changeset
|
1676 |
BigEndian::read_u32(&self.bytes[8..=11]) |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1677 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1678 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1679 |
/// Return the uncompressed length of the data. |
48572
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48497
diff
changeset
|
1680 |
pub fn uncompressed_len(&self) -> i32 { |
0a4ac916673e
rhg: RevlogEntry::uncompressed_len is signed
Simon Sapin <simon.sapin@octobus.net>
parents:
48497
diff
changeset
|
1681 |
BigEndian::read_i32(&self.bytes[12..=15]) |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1682 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1683 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1684 |
/// Return the revision upon which the data has been derived. |
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1685 |
pub fn base_revision_or_base_of_delta_chain(&self) -> UncheckedRevision { |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1686 |
// TODO Maybe return an Option when base_revision == rev? |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1687 |
// Requires to add rev to IndexEntry |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1688 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1689 |
BigEndian::read_i32(&self.bytes[16..]).into() |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1690 |
} |
45537
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1691 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1692 |
pub fn link_revision(&self) -> UncheckedRevision { |
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1693 |
BigEndian::read_i32(&self.bytes[20..]).into() |
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1694 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1695 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1696 |
pub fn p1(&self) -> UncheckedRevision { |
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1697 |
BigEndian::read_i32(&self.bytes[24..]).into() |
45537
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1698 |
} |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1699 |
|
50988
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1700 |
pub fn p2(&self) -> UncheckedRevision { |
1928b770e3e7
rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
1701 |
BigEndian::read_i32(&self.bytes[28..]).into() |
45537
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1702 |
} |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1703 |
|
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1704 |
/// Return the hash of revision's full text. |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1705 |
/// |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1706 |
/// Currently, SHA-1 is used and only the first 20 bytes of this field |
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1707 |
/// are used. |
46091
9eb07ab3f2d4
rhg: use persistent nodemap when available
Simon Sapin <simon-commits@exyr.org>
parents:
46037
diff
changeset
|
1708 |
pub fn hash(&self) -> &'a Node { |
46037
88e741bf2d93
rust: use NodePrefix::from_hex instead of hex::decode directly
Simon Sapin <simon-commits@exyr.org>
parents:
45605
diff
changeset
|
1709 |
(&self.bytes[32..52]).try_into().unwrap() |
45537
b0d6309ff50c
hg-core: check data integrity in `Revlog`
Antoine Cezar <antoine.cezar@octobus.net>
parents:
45532
diff
changeset
|
1710 |
} |
51224
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
Raphaël Gomès <rgomes@octobus.net>
parents:
51219
diff
changeset
|
1711 |
|
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
Raphaël Gomès <rgomes@octobus.net>
parents:
51219
diff
changeset
|
1712 |
pub fn as_bytes(&self) -> &'a [u8] { |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
Raphaël Gomès <rgomes@octobus.net>
parents:
51219
diff
changeset
|
1713 |
self.bytes |
7434747343ab
rust-index: check that the entry bytes are the same in both indexes
Raphaël Gomès <rgomes@octobus.net>
parents:
51219
diff
changeset
|
1714 |
} |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1715 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1716 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1717 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1718 |
mod tests { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1719 |
use super::*; |
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1720 |
use crate::node::NULL_NODE; |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1721 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1722 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1723 |
#[derive(Debug, Copy, Clone)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1724 |
pub struct IndexEntryBuilder { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1725 |
is_first: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1726 |
is_inline: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1727 |
is_general_delta: bool, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1728 |
version: u16, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1729 |
offset: usize, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1730 |
compressed_len: usize, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1731 |
uncompressed_len: usize, |
48497
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1732 |
base_revision_or_base_of_delta_chain: Revision, |
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1733 |
link_revision: Revision, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1734 |
p1: Revision, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1735 |
p2: Revision, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1736 |
node: Node, |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1737 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1738 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1739 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1740 |
impl IndexEntryBuilder { |
49999
0780371d6b1e
rust-clippy: tell `clippy` we don't need to declare a default here
Raphaël Gomès <rgomes@octobus.net>
parents:
49749
diff
changeset
|
1741 |
#[allow(clippy::new_without_default)] |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1742 |
pub fn new() -> Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1743 |
Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1744 |
is_first: false, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1745 |
is_inline: false, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1746 |
is_general_delta: true, |
49147
d200ecb76c72
rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents:
48575
diff
changeset
|
1747 |
version: 1, |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1748 |
offset: 0, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1749 |
compressed_len: 0, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1750 |
uncompressed_len: 0, |
50990
4c5f6e95df84
rust: make `Revision` a newtype
Raphaël Gomès <rgomes@octobus.net>
parents:
50989
diff
changeset
|
1751 |
base_revision_or_base_of_delta_chain: Revision(0), |
4c5f6e95df84
rust: make `Revision` a newtype
Raphaël Gomès <rgomes@octobus.net>
parents:
50989
diff
changeset
|
1752 |
link_revision: Revision(0), |
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1753 |
p1: NULL_REVISION, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1754 |
p2: NULL_REVISION, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1755 |
node: NULL_NODE, |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1756 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1757 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1758 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1759 |
pub fn is_first(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1760 |
self.is_first = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1761 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1762 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1763 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1764 |
pub fn with_inline(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1765 |
self.is_inline = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1766 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1767 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1768 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1769 |
pub fn with_general_delta(&mut self, value: bool) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1770 |
self.is_general_delta = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1771 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1772 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1773 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1774 |
pub fn with_version(&mut self, value: u16) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1775 |
self.version = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1776 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1777 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1778 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1779 |
pub fn with_offset(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1780 |
self.offset = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1781 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1782 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1783 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1784 |
pub fn with_compressed_len(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1785 |
self.compressed_len = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1786 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1787 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1788 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1789 |
pub fn with_uncompressed_len(&mut self, value: usize) -> &mut Self { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1790 |
self.uncompressed_len = value; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1791 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1792 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1793 |
|
48497
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1794 |
pub fn with_base_revision_or_base_of_delta_chain( |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1795 |
&mut self, |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1796 |
value: Revision, |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1797 |
) -> &mut Self { |
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1798 |
self.base_revision_or_base_of_delta_chain = value; |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1799 |
self |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1800 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1801 |
|
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1802 |
pub fn with_link_revision(&mut self, value: Revision) -> &mut Self { |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1803 |
self.link_revision = value; |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1804 |
self |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1805 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1806 |
|
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1807 |
pub fn with_p1(&mut self, value: Revision) -> &mut Self { |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1808 |
self.p1 = value; |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1809 |
self |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1810 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1811 |
|
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1812 |
pub fn with_p2(&mut self, value: Revision) -> &mut Self { |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1813 |
self.p2 = value; |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1814 |
self |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1815 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1816 |
|
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1817 |
pub fn with_node(&mut self, value: Node) -> &mut Self { |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1818 |
self.node = value; |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1819 |
self |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1820 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1821 |
|
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1822 |
pub fn build(&self) -> Vec<u8> { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1823 |
let mut bytes = Vec::with_capacity(INDEX_ENTRY_SIZE); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1824 |
if self.is_first { |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1825 |
bytes.extend(match (self.is_general_delta, self.is_inline) { |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1826 |
(false, false) => [0u8, 0], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1827 |
(false, true) => [0u8, 1], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1828 |
(true, false) => [0u8, 2], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1829 |
(true, true) => [0u8, 3], |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1830 |
}); |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1831 |
bytes.extend(self.version.to_be_bytes()); |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1832 |
// Remaining offset bytes. |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1833 |
bytes.extend([0u8; 2]); |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1834 |
} else { |
46887
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46511
diff
changeset
|
1835 |
// Offset stored on 48 bits (6 bytes) |
6d5a26e94d9e
unit-tests: Fix `cargo test` on 32-bit platforms
Simon Sapin <simon.sapin@octobus.net>
parents:
46511
diff
changeset
|
1836 |
bytes.extend(&(self.offset as u64).to_be_bytes()[2..]); |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1837 |
} |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1838 |
bytes.extend([0u8; 2]); // Revision flags. |
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1839 |
bytes.extend((self.compressed_len as u32).to_be_bytes()); |
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1840 |
bytes.extend((self.uncompressed_len as u32).to_be_bytes()); |
48497
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1841 |
bytes.extend( |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1842 |
self.base_revision_or_base_of_delta_chain.0.to_be_bytes(), |
48497
96ea4db4741b
rhg: fix a crash on non-generaldelta revlogs
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48496
diff
changeset
|
1843 |
); |
51292
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1844 |
bytes.extend(self.link_revision.0.to_be_bytes()); |
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1845 |
bytes.extend(self.p1.0.to_be_bytes()); |
c4cbb515b006
rust-clippy: apply some more trivial fixes
Raphaël Gomès <rgomes@octobus.net>
parents:
51285
diff
changeset
|
1846 |
bytes.extend(self.p2.0.to_be_bytes()); |
49148
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1847 |
bytes.extend(self.node.as_bytes()); |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
49147
diff
changeset
|
1848 |
bytes.extend(vec![0u8; 12]); |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1849 |
bytes |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1850 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1851 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1852 |
|
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1853 |
pub fn is_inline(index_bytes: &[u8]) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1854 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1855 |
.expect("too short") |
51212
13f58ce70299
rust-revlog: teach the revlog opening code to read the repo options
Raphaël Gomès <rgomes@octobus.net>
parents:
51210
diff
changeset
|
1856 |
.unwrap() |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1857 |
.format_flags() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1858 |
.is_inline() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1859 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1860 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1861 |
pub fn uses_generaldelta(index_bytes: &[u8]) -> bool { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1862 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1863 |
.expect("too short") |
51212
13f58ce70299
rust-revlog: teach the revlog opening code to read the repo options
Raphaël Gomès <rgomes@octobus.net>
parents:
51210
diff
changeset
|
1864 |
.unwrap() |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1865 |
.format_flags() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1866 |
.uses_generaldelta() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1867 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1868 |
|
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1869 |
pub fn get_version(index_bytes: &[u8]) -> u16 { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1870 |
IndexHeader::parse(index_bytes) |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1871 |
.expect("too short") |
51212
13f58ce70299
rust-revlog: teach the revlog opening code to read the repo options
Raphaël Gomès <rgomes@octobus.net>
parents:
51210
diff
changeset
|
1872 |
.unwrap() |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1873 |
.format_version() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1874 |
} |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1875 |
|
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1876 |
#[test] |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1877 |
fn flags_when_no_inline_flag_test() { |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1878 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1879 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1880 |
.with_general_delta(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1881 |
.with_inline(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1882 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1883 |
|
50003
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1884 |
assert!(!is_inline(&bytes)); |
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1885 |
assert!(!uses_generaldelta(&bytes)); |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1886 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1887 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1888 |
#[test] |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1889 |
fn flags_when_inline_flag_test() { |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1890 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1891 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1892 |
.with_general_delta(false) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1893 |
.with_inline(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1894 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1895 |
|
50003
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1896 |
assert!(is_inline(&bytes)); |
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1897 |
assert!(!uses_generaldelta(&bytes)); |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1898 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1899 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1900 |
#[test] |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
1901 |
fn flags_when_inline_and_generaldelta_flags_test() { |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1902 |
let bytes = IndexEntryBuilder::new() |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1903 |
.is_first(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1904 |
.with_general_delta(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1905 |
.with_inline(true) |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1906 |
.build(); |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1907 |
|
50003
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1908 |
assert!(is_inline(&bytes)); |
e98fd81bb151
rust-clippy: fix most warnings in `hg-core`
Raphaël Gomès <rgomes@octobus.net>
parents:
49999
diff
changeset
|
1909 |
assert!(uses_generaldelta(&bytes)); |
45604
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1910 |
} |
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1911 |
|
900b9b79b99c
hg-core: make `Index` owner of its bytes (D8958#inline-14994 followup 1/2)
Antoine cezar<acezar@chwitlabs.fr>
parents:
45596
diff
changeset
|
1912 |
#[test] |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1913 |
fn test_offset() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1914 |
let bytes = IndexEntryBuilder::new().with_offset(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1915 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1916 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1917 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1918 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1919 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1920 |
assert_eq!(entry.offset(), 1) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1921 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1922 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1923 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1924 |
fn test_with_overridden_offset() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1925 |
let bytes = IndexEntryBuilder::new().with_offset(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1926 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1927 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1928 |
offset_override: Some(2), |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1929 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1930 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1931 |
assert_eq!(entry.offset(), 2) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1932 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1933 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1934 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1935 |
fn test_compressed_len() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1936 |
let bytes = IndexEntryBuilder::new().with_compressed_len(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1937 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1938 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1939 |
offset_override: None, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1940 |
}; |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1941 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1942 |
assert_eq!(entry.compressed_len(), 1) |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1943 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1944 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1945 |
#[test] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1946 |
fn test_uncompressed_len() { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1947 |
let bytes = IndexEntryBuilder::new().with_uncompressed_len(1).build(); |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1948 |
let entry = IndexEntry { |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1949 |
bytes: &bytes, |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
1950 |
offset_override: None, |
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|
1951 |
}; |
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|
1952 |
|
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|
1953 |
assert_eq!(entry.uncompressed_len(), 1) |
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|
1954 |
} |
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|
1955 |
|
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|
1956 |
#[test] |
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|
1957 |
fn test_base_revision_or_base_of_delta_chain() { |
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|
1958 |
let bytes = IndexEntryBuilder::new() |
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parents:
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|
1959 |
.with_base_revision_or_base_of_delta_chain(Revision(1)) |
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|
1960 |
.build(); |
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|
1961 |
let entry = IndexEntry { |
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|
1962 |
bytes: &bytes, |
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|
1963 |
offset_override: None, |
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|
1964 |
}; |
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|
1965 |
|
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|
1966 |
assert_eq!(entry.base_revision_or_base_of_delta_chain(), 1.into()) |
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|
1967 |
} |
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|
1968 |
|
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|
1969 |
#[test] |
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|
1970 |
fn link_revision_test() { |
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parents:
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|
1971 |
let bytes = IndexEntryBuilder::new() |
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parents:
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|
1972 |
.with_link_revision(Revision(123)) |
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|
1973 |
.build(); |
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|
1974 |
|
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|
1975 |
let entry = IndexEntry { |
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|
1976 |
bytes: &bytes, |
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parents:
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|
1977 |
offset_override: None, |
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|
1978 |
}; |
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|
1979 |
|
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|
1980 |
assert_eq!(entry.link_revision(), 123.into()); |
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|
1981 |
} |
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parents:
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|
1982 |
|
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|
1983 |
#[test] |
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|
1984 |
fn p1_test() { |
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|
1985 |
let bytes = IndexEntryBuilder::new().with_p1(Revision(123)).build(); |
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|
1986 |
|
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|
1987 |
let entry = IndexEntry { |
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parents:
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|
1988 |
bytes: &bytes, |
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parents:
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|
1989 |
offset_override: None, |
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parents:
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|
1990 |
}; |
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parents:
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changeset
|
1991 |
|
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parents:
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changeset
|
1992 |
assert_eq!(entry.p1(), 123.into()); |
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|
1993 |
} |
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parents:
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|
1994 |
|
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parents:
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changeset
|
1995 |
#[test] |
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|
1996 |
fn p2_test() { |
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parents:
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changeset
|
1997 |
let bytes = IndexEntryBuilder::new().with_p2(Revision(123)).build(); |
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|
1998 |
|
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|
1999 |
let entry = IndexEntry { |
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|
2000 |
bytes: &bytes, |
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parents:
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|
2001 |
offset_override: None, |
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parents:
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changeset
|
2002 |
}; |
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rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2003 |
|
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rust: use the new `UncheckedRevision` everywhere applicable
Raphaël Gomès <rgomes@octobus.net>
parents:
50003
diff
changeset
|
2004 |
assert_eq!(entry.p2(), 123.into()); |
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parents:
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|
2005 |
} |
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parents:
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changeset
|
2006 |
|
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parents:
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changeset
|
2007 |
#[test] |
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|
2008 |
fn node_test() { |
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|
2009 |
let node = Node::from_hex("0123456789012345678901234567890123456789") |
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rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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|
2010 |
.unwrap(); |
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parents:
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|
2011 |
let bytes = IndexEntryBuilder::new().with_node(node).build(); |
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parents:
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changeset
|
2012 |
|
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rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2013 |
let entry = IndexEntry { |
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parents:
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changeset
|
2014 |
bytes: &bytes, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
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changeset
|
2015 |
offset_override: None, |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2016 |
}; |
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rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2017 |
|
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rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2018 |
assert_eq!(*entry.hash(), node); |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
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parents:
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changeset
|
2019 |
} |
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
2020 |
|
2a9a55ffe24f
rust-revlog: make `IndexEntryBuilder` build a whole entry
Martin von Zweigbergk <martinvonz@google.com>
parents:
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diff
changeset
|
2021 |
#[test] |
48496
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
2022 |
fn version_test() { |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
2023 |
let bytes = IndexEntryBuilder::new() |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
2024 |
.is_first(true) |
49147
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rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents:
48575
diff
changeset
|
2025 |
.with_version(2) |
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Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
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changeset
|
2026 |
.build(); |
1fb3615dfce2
rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
48238
diff
changeset
|
2027 |
|
49147
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rust-revlog: change default version from 2 to 1 in test builder
Martin von Zweigbergk <martinvonz@google.com>
parents:
48575
diff
changeset
|
2028 |
assert_eq!(get_version(&bytes), 2) |
48496
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rhg: centralize index header parsing
Arseniy Alekseyev <aalekseyev@janestreet.com>
parents:
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diff
changeset
|
2029 |
} |
45532
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
2030 |
} |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
2031 |
|
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
2032 |
#[cfg(test)] |
26c53ee51c68
hg-core: Add a limited read only `revlog` implementation
Antoine Cezar <antoine.cezar@octobus.net>
parents:
diff
changeset
|
2033 |
pub use tests::IndexEntryBuilder; |