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added the 'delete' operator

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This commit is contained in:
Jeremy Ashkenas
2009-12-17 21:21:07 -05:00
parent 0dc445138b
commit 9976de76f5
4 changed files with 12 additions and 4 deletions
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5
lib/coffee_script/grammar.y
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@@ -11,6 +11,7 @@ token BREAK CONTINUE
token FOR IN WHILE
token SWITCH CASE
token SUPER
token DELETE
token NEWLINE
token JS
@@ -24,6 +25,7 @@ prechigh
left '&&' '||' AND OR
left ':'
right '-=' '+=' '/=' '*=' '||=' '&&='
right DELETE
right RETURN THROW FOR WHILE
left UNLESS
nonassoc IF
@@ -116,7 +118,6 @@ rule
| '-' Expression = UMINUS { result = OpNode.new(val[0], val[1]) }
| NOT Expression { result = OpNode.new(val[0], val[1]) }
| Expression '*' Expression { result = OpNode.new(val[1], val[0], val[2]) }
| Expression '/' Expression { result = OpNode.new(val[1], val[0], val[2]) }
| Expression '%' Expression { result = OpNode.new(val[1], val[0], val[2]) }
@@ -145,6 +146,8 @@ rule
| Expression '*=' Expression { result = OpNode.new(val[1], val[0], val[2]) }
| Expression '||=' Expression { result = OpNode.new(val[1], val[0], val[2]) }
| Expression '&&=' Expression { result = OpNode.new(val[1], val[0], val[2]) }
| DELETE Expression { result = OpNode.new(val[0], val[1]) }
;