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ForBody is really the ForSource

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Jeremy Ashkenas
2009-12-25 13:40:57 -08:00
parent 763e04fec9
commit f55b4cd8b6
1 changed files with 4 additions and 2 deletions
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6
lib/coffee_script/grammar.y
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@@ -318,15 +318,17 @@ rule
# Array comprehensions, including guard and current index. # Array comprehensions, including guard and current index.
For: For:
Expression FOR Expression FOR
ForVariables ForBody { result = ForNode.new(val[0], val[3][0], val[2][0], val[3][1], val[2][1]) } ForVariables ForSource { result = ForNode.new(val[0], val[3][0], val[2][0], val[3][1], val[2][1]) }
; ;
# An array comprehension has variables for the current element and index.
ForVariables: ForVariables:
IDENTIFIER { result = val } IDENTIFIER { result = val }
| IDENTIFIER "," IDENTIFIER { result = [val[0], val[2]] } | IDENTIFIER "," IDENTIFIER { result = [val[0], val[2]] }
; ;
ForBody: # The source of the array comprehension can optionally be filtered.
ForSource:
IN PureExpression "." { result = [val[1]] } IN PureExpression "." { result = [val[1]] }
| IN PureExpression | IN PureExpression
IF Expression "." { result = [val[1], val[3]] } IF Expression "." { result = [val[1], val[3]] }