Changeset 167964 in webkit for trunk/Source/JavaScriptCore/parser/Parser.h

Timestamp:

Apr 29, 2014, 3:23:17 PM (11 years ago)

Author:

[email protected]

Message:

Source/JavaScriptCore: Don't hold on to parameterBindingNodes forever
​https://bugs.webkit.org/show_bug.cgi?id=132360

Reviewed by Geoffrey Garen.

Don't keep the parameter nodes anymore. Instead we store the
original parameter string and reparse whenever we actually
need them. Because we only actually need them for compilation
this only results in a single extra parse.

• bytecode/UnlinkedCodeBlock.cpp:

(JSC::generateFunctionCodeBlock):
(JSC::UnlinkedFunctionExecutable::UnlinkedFunctionExecutable):
(JSC::UnlinkedFunctionExecutable::visitChildren):
(JSC::UnlinkedFunctionExecutable::finishCreation):
(JSC::UnlinkedFunctionExecutable::paramString):
(JSC::UnlinkedFunctionExecutable::parameters):
(JSC::UnlinkedFunctionExecutable::parameterCount): Deleted.

• bytecode/UnlinkedCodeBlock.h:

(JSC::UnlinkedFunctionExecutable::create):
(JSC::UnlinkedFunctionExecutable::parameterCount):
(JSC::UnlinkedFunctionExecutable::parameters): Deleted.
(JSC::UnlinkedFunctionExecutable::finishCreation): Deleted.

• parser/ASTBuilder.h:

(JSC::ASTBuilder::ASTBuilder):
(JSC::ASTBuilder::setFunctionBodyParameters):

• parser/Nodes.h:

(JSC::FunctionBodyNode::parametersStartOffset):
(JSC::FunctionBodyNode::parametersEndOffset):
(JSC::FunctionBodyNode::setParameterLocation):

• parser/Parser.cpp:

(JSC::Parser<LexerType>::parseFunctionInfo):
(JSC::parseParameters):

• parser/Parser.h:

(JSC::parse):

• parser/SourceCode.h:

(JSC::SourceCode::subExpression):

• parser/SyntaxChecker.h:

(JSC::SyntaxChecker::setFunctionBodyParameters):

LayoutTests: Don't hold on to parameter BindingNodes forever
​https://bugs.webkit.org/show_bug.cgi?id=132360

Reviewed by Geoffrey Garen.

We don't regenerate the parameter string anymore, so these tests now
match the original input.

• js/destructuring-assignment-expected.txt:

File:

• trunk/Source/JavaScriptCore/parser/Parser.h (modified) (3 diffs)

trunk/Source/JavaScriptCore/parser/Parser.h

@@ -410 +410 @@
     WTF_MAKE_NONCOPYABLE(Parser);
     WTF_MAKE_FAST_ALLOCATED;
+    friend PassRefPtr<FunctionParameters> parseParameters(VM*, const SourceCode&, JSParserStrictness);
 
 public:
@@ -973 +974 @@
         return result.release();
     }
+    RELEASE_ASSERT(strictness != JSParseBuiltin);
     Parser<Lexer<UChar>> parser(vm, source, parameters, name, strictness, parserMode);
     RefPtr<ParsedNode> result = parser.parse<ParsedNode>(error);
@@ -980 +982 @@
 }
 
+PassRefPtr<FunctionParameters> parseParameters(VM*, const SourceCode&, JSParserStrictness);
+
 } // namespace
 #endif