tools/lexer_generator/regex_lexer.py - Issue 59953002: Experimental lexer generator: parse {} in regexps.

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Unified Diff: tools/lexer_generator/regex_lexer.py

Issue 59953002: Experimental lexer generator: parse {} in regexps. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser

Patch Set: rebased Created 7 years, 1 month ago

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Index: tools/lexer_generator/regex_lexer.py

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

index 1186069d452237f4e0e2bd077dba8ef907689c43..a2c98f7aa83e8be7742203d5fa58b454cde815ef 100644

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

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

@@ -43,6 +43,11 @@ class RegexLexer:

'ZERO_OR_ONE',

'ANY',

+ 'REPEAT_BEGIN',

+ 'REPEAT_END',

+ 'NUMBER',

+ 'COMMA',

'LITERAL',

'RANGE',

@@ -64,11 +69,17 @@ class RegexLexer:

t_GROUP_BEGIN = r'\('

t_GROUP_END = r'\)'

+ t_REPEAT_BEGIN = r'\{'

+ t_REPEAT_END = r'\}'

t_OR = r'\|'

t_ONE_OR_MORE = r'\+'

t_ZERO_OR_MORE = r'\*'

t_ZERO_OR_ONE = r'\?'

+ t_NUMBER = r'[0-9]+'

+ t_COMMA = r','

t_ANY = r'\.'

t_LITERAL = r'.'

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