Changeset 76133 in webkit for trunk/Source/JavaScriptCore/ChangeLog

Timestamp:

Jan 19, 2011, 9:58:15 AM (15 years ago)

Author:

[email protected]

Message:

2011-01-19 Michael Saboff <​[email protected]>

Reviewed by Darin Adler.

<rdar://problem/8882994> Regression: Simple nested backtrack hangs
​https://bugs.webkit.org/show_bug.cgi?id=52675

The changeset (r76076) for ​https://bugs.webkit.org/show_bug.cgi?id=52540
broke simple backtracking in some cases. Reworked that change to
link both jumps and labels.

• yarr/YarrJIT.cpp: (JSC::Yarr::YarrGenerator::BacktrackDestination::hasBacktrackToLabel): (JSC::Yarr::YarrGenerator::TermGenerationState::propagateBacktrackingFrom): (JSC::Yarr::YarrGenerator::generateParenthesesSingle):

2011-01-19 Michael Saboff <​[email protected]>

Reviewed by Darin Adler.

<rdar://problem/8882994> Regression: Simple nested backtrack hangs
​https://bugs.webkit.org/show_bug.cgi?id=52675

New tests to support change.

• fast/regex/parentheses-expected.txt:
• fast/regex/script-tests/parentheses.js:

File:

• trunk/Source/JavaScriptCore/ChangeLog (modified) (1 diff)

trunk/Source/JavaScriptCore/ChangeLog

@@ +1 @@
+2011-01-19  Michael Saboff  <[email protected]>
+
+        Reviewed by Darin Adler.
+
+        <rdar://problem/8882994> Regression: Simple nested backtrack hangs
+        https://bugs.webkit.org/show_bug.cgi?id=52675
+
+        The changeset (r76076) for https://bugs.webkit.org/show_bug.cgi?id=52540
+        broke simple backtracking in some cases.  Reworked that change to 
+        link both jumps and labels.
+
+        * yarr/YarrJIT.cpp:
+        (JSC::Yarr::YarrGenerator::BacktrackDestination::hasBacktrackToLabel):
+        (JSC::Yarr::YarrGenerator::TermGenerationState::propagateBacktrackingFrom):
+        (JSC::Yarr::YarrGenerator::generateParenthesesSingle):
+
 2011-01-19  Pavel Podivilov  <[email protected]>