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templater: take any string literals as template, but not for rawstring (BC)
This patch series is intended to unify the interpretation of string literals.
It is breaking change that boldly assumes
a. string literal "..." never contains template-like fragment or it is
intended to be a template
b. we tend to use raw string literal r"..." for regexp pattern in which "{"
should have different meaning
Currently, we don't have a comprehensible rule how string literals are
evaluated in template functions. For example, fill() takes "initialindent"
and "hangindent" as templates, but not for "text", whereas "text" is a
template in pad() function.
date(date, fmt)
diff(includepattern, excludepattern)
fill(text, width, initialident: T, hangindent: T)
get(dict, key)
if(expr, then: T, else: T)
ifcontains(search, thing, then: T, else: T)
ifeq(expr1, expr2, then: T, else: T)
indent(text, indentchars, firstline)
join(list, sep)
label(label: T, expr: T)
pad(text: T, width, fillchar, right)
revset(query, formatargs...])
rstdoc(text, style)
shortest(node, minlength)
startswith(pattern, text)
strip(text, chars)
sub(pattern, replacement, expression: T)
word(number, text, separator)
expr % template: T
T: interpret "string" or r"rawstring" as template
This patch series adjusts the rule as follows:
a. string literal, '' or "", starts template processing (BC)
b. raw string literal, r'' or r"", disables both \-escape and template
processing (BC, done by subsequent patches)
c. fragment not surrounded by {} is non-templated string
"ccc{'aaa'}{r'bbb'}"
------------------ *: template
--- c: string
--- a: template
--- b: rawstring
Because this can eliminate the compilation of template arguments from the
evaluation phase, "hg log -Tdefault" gets faster.
% cd mozilla-central
% LANG=C HGRCPATH=/dev/null hg log -Tdefault -r0:10000 --time > /dev/null
before: real 4.870 secs (user 4.860+0.000 sys 0.010+0.000)
after: real 3.480 secs (user 3.440+0.000 sys 0.030+0.000)
Also, this will allow us to parse nested templates at once for better error
indication.
author | Yuya Nishihara <yuya@tcha.org> |
---|---|
date | Sat, 13 Jun 2015 19:49:54 +0900 |
parents | 90d8dfb481e7 |
children |
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SVN-fs-dump-format-version: 2 UUID: c731c652-65e9-4325-a17e-fed96a319f22 Revision-number: 0 Prop-content-length: 56 Content-length: 56 K 8 svn:date V 27 2008-12-06T13:44:21.642421Z PROPS-END Revision-number: 1 Prop-content-length: 112 Content-length: 112 K 7 svn:log V 10 init projA K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:21.759281Z PROPS-END Node-path: branches Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: tags Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Node-path: trunk Node-kind: dir Node-action: add Prop-content-length: 10 Content-length: 10 PROPS-END Revision-number: 2 Prop-content-length: 109 Content-length: 109 K 7 svn:log V 8 createab K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:22.179257Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 60b725f10c9c85c70d97880dfe8191b3 Content-length: 12 PROPS-END a Node-path: trunk/b Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 3b5d5c3712955042212316173ccf37be Content-length: 12 PROPS-END b Revision-number: 3 Prop-content-length: 108 Content-length: 108 K 7 svn:log V 7 removeb K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:23.176546Z PROPS-END Node-path: trunk/b Node-action: delete Revision-number: 4 Prop-content-length: 109 Content-length: 109 K 7 svn:log V 8 changeaa K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:25.147151Z PROPS-END Node-path: trunk/a Node-kind: file Node-action: change Text-content-length: 4 Text-content-md5: 0d227f1abf8c2932d342e9b99cc957eb Content-length: 4 a a Revision-number: 5 Prop-content-length: 119 Content-length: 119 K 7 svn:log V 17 branch, changeaaa K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:28.158475Z PROPS-END Node-path: branches/branch1 Node-kind: dir Node-action: add Node-copyfrom-rev: 4 Node-copyfrom-path: trunk Prop-content-length: 34 Content-length: 34 K 13 svn:mergeinfo V 0 PROPS-END Node-path: branches/branch1/a Node-kind: file Node-action: change Text-content-length: 6 Text-content-md5: 7d4ebf8f298d22fc349a91725b00af1c Content-length: 6 a a a Revision-number: 6 Prop-content-length: 117 Content-length: 117 K 7 svn:log V 15 addc,changeaaaa K 10 svn:author V 7 pmezard K 8 svn:date V 27 2008-12-06T13:44:29.180655Z PROPS-END Node-path: branches/branch1/a Node-kind: file Node-action: change Text-content-length: 8 Text-content-md5: d12178e74d8774e34361e0a08d1fd2b7 Content-length: 8 a a a a Node-path: branches/branch1/c Node-kind: file Node-action: add Prop-content-length: 10 Text-content-length: 2 Text-content-md5: 2cd6ee2c70b0bde53fbe6cac3c8b8bb1 Content-length: 12 PROPS-END c