Closed Bug 632027 Opened 14 years ago Closed 13 years ago

Reflect.parse: ArrayExpression elements that are SequenceExpressions are discarded

Categories

(Core :: JavaScript Engine, defect)

Other Branch
defect
Not set
normal

Tracking

()

RESOLVED FIXED
mozilla17

People

(Reporter: jorendorff, Assigned: dherman)

Details

Attachments

(1 file)

js> Reflect.parse("[0, (1,2)]", {loc:0}).body[0].expression.elements [{loc:null, type:"Literal", value:0}, ,]
Assignee: general → dherman
Attachment #653423 - Flags: review?(jorendorff)
Comment on attachment 653423 [details] [diff] [review] fixes handling of array holes Review of attachment 653423 [details] [diff] [review]: ----------------------------------------------------------------- ::: js/src/jsreflect.cpp @@ +2921,5 @@ > if (!elts.reserve(pn->pn_count)) > return false; > > for (ParseNode *next = pn->pn_head; next; next = next->pn_next) { > + /* Comma expressions can't occur inside patterns, so no need to test pn_count. */ Heh. Logic is good. Logic and a JS_ASSERT is better. ::: js/src/tests/js1_8_5/extensions/reflect-parse.js @@ +333,5 @@ > assertExpr("[,,,1,2,3,]", arrExpr([,,,lit(1),lit(2),lit(3),])); > assertExpr("[,,,1,2,3,,]", arrExpr([,,,lit(1),lit(2),lit(3),,])); > assertExpr("[,,,1,2,3,,,]", arrExpr([,,,lit(1),lit(2),lit(3),,,])); > assertExpr("[,,,,,]", arrExpr([,,,,,])); > +assertExpr("[,,,,,]", arrExpr([null,null,null,null,null])); You meant to remove the previous one, right? In fact, shouldn't all these change to have nulls in the expected result?
Attachment #653423 - Flags: review?(jorendorff) → review+
Status: NEW → RESOLVED
Closed: 13 years ago
Resolution: --- → FIXED
Target Milestone: --- → mozilla17
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