tools/lexer_generator/regex_lexer.py - Issue 50293010: Experimental parser: parse character classes

Keyboard Shortcuts

	File
u :	up to issue
j / k :	jump to file after / before current file
J / K :	jump to next file with a comment after / before current file
	Side-by-side diff
i :	toggle intra-line diffs
e :	expand all comments
c :	collapse all comments
s :	toggle showing all comments
n / p :	next / previous diff chunk or comment
N / P :	next / previous comment
<Up> / <Down> :	next / previous line

	Issue
u :	up to list of issues
j / k :	jump to patch after / before current patch
o / <Enter> :	open current patch in side-by-side view
i :	open current patch in unified diff view

	Issue List
j / k :	jump to issue after / before current issue
o / <Enter> :	open current issue

Unified Diff: tools/lexer_generator/regex_lexer.py

Issue 50293010: Experimental parser: parse character classes (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser

Patch Set: Created 7 years, 2 months ago

Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.

Jump to:

Index: tools/lexer_generator/regex_lexer.py

diff --git a/tools/lexer_generator/regex_lexer.py b/tools/lexer_generator/regex_lexer.py

index d45f202c054a04563d81aabbfb167685ff716f7a..26c44870b807d2c68282ccda9fc59516206647ce 100644

--- a/tools/lexer_generator/regex_lexer.py

+++ b/tools/lexer_generator/regex_lexer.py

@@ -48,6 +48,7 @@ class RegexLexer:

'RANGE',

'NOT',

'CLASS_LITERAL',

+ 'CHARACTER_CLASS',

)

states = (

@@ -84,9 +85,10 @@ class RegexLexer:

t_class_RANGE = '-'

t_class_NOT = '\^'

+ t_class_CHARACTER_CLASS = ':ws:|:lit:'

def t_class_ESCAPED_CLASS_LITERAL(self, t):

- r'\\\^|\\-|\\\[|\\\]'

+ r'\\\^|\\-|\\\[|\\\]\\:'

t.type = 'CLASS_LITERAL'

t.value = t.value[1:]

return t

« no previous file with comments | « no previous file | tools/lexer_generator/regex_parser.py » ('j') | no next file with comments »