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added yes, no, on and off as boolean aliases and a nice aliases section to the docs

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Jeremy Ashkenas
2009-12-23 20:24:55 -05:00
parent a4d014549b
commit 64879cdc66
10 changed files with 95 additions and 63 deletions
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11
lib/coffee_script/grammar.y
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@@ -3,7 +3,7 @@ class Parser
# Declare tokens produced by the lexer
token IF ELSE THEN UNLESS
token NUMBER STRING REGEX
token TRUE FALSE NULL
token TRUE FALSE YES NO ON OFF
token IDENTIFIER PROPERTY_ACCESS
token CODE PARAM NEW RETURN
token TRY CATCH FINALLY THROW
@@ -102,11 +102,14 @@ rule
| STRING { result = LiteralNode.new(val[0]) }
| JS { result = LiteralNode.new(val[0]) }
| REGEX { result = LiteralNode.new(val[0]) }
| TRUE { result = LiteralNode.new(true) }
| FALSE { result = LiteralNode.new(false) }
| NULL { result = LiteralNode.new(nil) }
| BREAK { result = LiteralNode.new(val[0]) }
| CONTINUE { result = LiteralNode.new(val[0]) }
| TRUE { result = LiteralNode.new(true) }
| FALSE { result = LiteralNode.new(false) }
| YES { result = LiteralNode.new(true) }
| NO { result = LiteralNode.new(false) }
| ON { result = LiteralNode.new(true) }
| OFF { result = LiteralNode.new(false) }
;
# Assignment to a variable.