view mercurial/cffi/bdiffbuild.py @ 41144:3025fd3c2e71

progress: split up _print() method in bar-updating and debug-printing

I just thought this was clearer, but it turned out to also simplify
the next patch.

This seems to have sped up `hg perfprogress` from 1.85 s to 1.78 s.

Differential Revision: https://phab.mercurial-scm.org/D5529

from __future__ import absolute_import

import cffi
import os

ffi = cffi.FFI()
with open(os.path.join(os.path.join(os.path.dirname(__file__), '..'),
                       'bdiff.c')) as f:
    ffi.set_source("mercurial.cffi._bdiff",
                   f.read(), include_dirs=['mercurial'])
ffi.cdef("""
struct bdiff_line {
    int hash, n, e;
    ssize_t len;
    const char *l;
};

struct bdiff_hunk;
struct bdiff_hunk {
    int a1, a2, b1, b2;
    struct bdiff_hunk *next;
};

int bdiff_splitlines(const char *a, ssize_t len, struct bdiff_line **lr);
int bdiff_diff(struct bdiff_line *a, int an, struct bdiff_line *b, int bn,
    struct bdiff_hunk *base);
void bdiff_freehunks(struct bdiff_hunk *l);
void free(void*);
""")

if __name__ == '__main__':
    ffi.compile()