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expanding the list of tokens that regexes may not follow, according to the Mozilla JS 2.0 docs

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Jeremy Ashkenas
2010-01-01 12:08:36 -05:00
parent 271ea24b20
commit 2fb8f48e75
1 changed files with 7 additions and 2 deletions
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9
lib/coffee_script/lexer.rb
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@@ -37,9 +37,14 @@ module CoffeeScript
COMMENT_CLEANER = /(^\s*#|\n\s*$)/
NO_NEWLINE = /\A([+\*&|\/\-%=<>:!.\\][<>=&|]*|and|or|is|isnt|not|delete|typeof|instanceof)\Z/
# Tokens which a regular expression will never immediately follow.
# Tokens which a regular expression will never immediately follow, but which
# a division operator might.
# See: http://www.mozilla.org/js/language/js20-2002-04/rationale/syntax.html#regular-expressions
NOT_REGEX = [:IDENTIFIER, :NUMBER, :STRING]
NOT_REGEX = [
:IDENTIFIER, :NUMBER, :REGEX, :STRING,
')', '++', '--', ']', '}',
:FALSE, :NULL, :THIS, :TRUE
]
# Scan by attempting to match tokens one character at a time. Slow and steady.
def tokenize(code)