Mercurial > hg
view tests/test-issue619.t @ 25783:1f6878c87c25
templater: introduce one-pass parsing of nested template strings
Instead of re-parsing quoted strings as templates, the tokenizer can delegate
the parsing of nested template strings to the parser. It has two benefits:
1. syntax errors can be reported with absolute positions
2. nested template can use quotes just like shell: "{"{rev}"}"
It doesn't sound nice that the tokenizer recurses into the parser. We could
instead make the tokenize itself recursive, but it would be much more
complicated because we would have to adjust binding strengths carefully and
put dummy infix operators to concatenate template fragments.
Now "string" token without r"" never appears. It will be removed by the next
patch.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Mon, 15 Jun 2015 23:11:35 +0900 |
parents | 0c432696dae3 |
children | 2fc86d92c4a9 |
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http://mercurial.selenic.com/bts/issue619 $ hg init $ echo a > a $ hg ci -Ama adding a $ echo b > b $ hg branch b marked working directory as branch b (branches are permanent and global, did you want a bookmark?) $ hg ci -Amb adding b $ hg co -C 0 0 files updated, 0 files merged, 1 files removed, 0 files unresolved Fast-forward: $ hg merge b 1 files updated, 0 files merged, 0 files removed, 0 files unresolved (branch merge, don't forget to commit) $ hg ci -Ammerge Bogus fast-forward should fail: $ hg merge b abort: merging with a working directory ancestor has no effect [255] Even with strange revset (issue4465) $ hg merge ::. abort: merging with a working directory ancestor has no effect [255]