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simplifying RangeNode grammar a bit.

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Jeremy Ashkenas
2010-09-04 06:48:20 -04:00
parent 493780efab
commit 3b60aad487
5 changed files with 129 additions and 133 deletions
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17
src/grammar.coffee
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@@ -340,6 +340,11 @@ grammar =
o "@", -> new ValueNode new LiteralNode 'this'
]
RangeDots: [
o ". .", -> 'inclusive'
o ". . .", -> 'exclusive'
]
# A reference to a property on *this*.
ThisProperty: [
o "@ Identifier", -> new ValueNode new LiteralNode('this'), [new AccessorNode($2)]
@@ -347,18 +352,14 @@ grammar =
# The CoffeeScript range literal.
Range: [
o "[ Expression . . Expression ]", -> new RangeNode $2, $5
o "[ Expression . . . Expression ]", -> new RangeNode $2, $6, true
o "[ Expression RangeDots Expression ]", -> new RangeNode $2, $4, $3
]
# The slice literal.
Slice: [
o "INDEX_START Expression . . Expression INDEX_END", -> new RangeNode $2, $5
o "INDEX_START Expression . . . Expression INDEX_END", -> new RangeNode $2, $6, true
o "INDEX_START Expression . . INDEX_END", -> new RangeNode $2, null
o "INDEX_START Expression . . . INDEX_END", -> new RangeNode $2, null, true
o "INDEX_START . . Expression INDEX_END", -> new RangeNode null, $4
o "INDEX_START . . . Expression INDEX_END", -> new RangeNode null, $5, true
o "INDEX_START Expression RangeDots Expression INDEX_END", -> new RangeNode $2, $4, $3
o "INDEX_START Expression RangeDots INDEX_END", -> new RangeNode $2, null, $3
o "INDEX_START RangeDots Expression INDEX_END", -> new RangeNode null, $3, $2
]
# The array literal.