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Bug 767013 - only store aliased variables in scope objects (r=bhackett)

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This commit is contained in:
Luke Wagner
2012-08-06 07:56:45 -07:00
parent 2f77ddbea4
commit ca7cb5aa66
27 changed files with 613 additions and 765 deletions
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7
js/src/frontend/BytecodeCompiler.cpp
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@@ -100,6 +100,11 @@ frontend::CompileScript(JSContext *cx, HandleObject scopeChain, StackFrame *call
if (!script)
return NULL;
// Global/eval script bindings are always empty (all names are added to the
// scope dynamically via JSOP_DEFFUN/VAR).
if (!script->bindings.init(cx, 0, 0, NULL))
return NULL;
// We can specialize a bit for the given scope chain if that scope chain is the global object.
JSObject *globalScope = scopeChain && scopeChain == &scopeChain->global() ? (JSObject*) scopeChain : NULL;
JS_ASSERT_IF(globalScope, globalScope->isNative());
@@ -309,7 +314,7 @@ frontend::CompileFunctionBody(JSContext *cx, HandleFunction fun, CompileOptions
if (!script)
return false;
if (!funtc.generateBindings(cx, &script->bindings))
if (!funtc.generateFunctionBindings(cx, &script->bindings))
return false;
BytecodeEmitter funbce(/* parent = */ NULL, &parser, &funsc, script, /* callerFrame = */ NULL,