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Bug 765956 - Remove the non-reentrant closure optimization (r=bhackett)

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* * *
imported patch fix-debugger-for-non-reentrant-removal
This commit is contained in:
Luke Wagner
2012-07-03 10:24:35 -07:00
parent 30fbba08d5
commit 4ddad0fcd3
38 changed files with 113 additions and 1139 deletions
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53
js/src/frontend/BytecodeCompiler.cpp
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@@ -21,54 +21,10 @@
using namespace js;
using namespace js::frontend;
bool
MarkInnerAndOuterFunctions(JSContext *cx, JSScript* script)
{
AssertRootingUnnecessary safe(cx);
Vector<JSScript *, 16> worklist(cx);
if (!worklist.append(script))
return false;
while (worklist.length()) {
JSScript *outer = worklist.back();
worklist.popBack();
if (outer->hasObjects()) {
ObjectArray *arr = outer->objects();
/*
* If this is an eval script, don't treat the saved caller function
* stored in the first object slot as an inner function.
*/
size_t start = outer->savedCallerFun ? 1 : 0;
for (size_t i = start; i < arr->length; i++) {
JSObject *obj = arr->vector[i];
if (!obj->isFunction())
continue;
JSFunction *fun = obj->toFunction();
JS_ASSERT(fun->isInterpreted());
JSScript *inner = fun->script();
if (outer->function() && outer->function()->isHeavyweight()) {
outer->isOuterFunction = true;
inner->isInnerFunction = true;
}
if (!inner->hasObjects())
continue;
if (!worklist.append(inner))
return false;
}
}
}
return true;
}
JSScript *
frontend::CompileScript(JSContext *cx, HandleObject scopeChain, StackFrame *callerFrame,
JSPrincipals *principals, JSPrincipals *originPrincipals,
bool compileAndGo, bool noScriptRval, bool needScriptGlobal,
bool compileAndGo, bool noScriptRval,
const jschar *chars, size_t length,
const char *filename, unsigned lineno, JSVersion version,
JSString *source_ /* = NULL */,
@@ -108,14 +64,12 @@ frontend::CompileScript(JSContext *cx, HandleObject scopeChain, StackFrame *call
return NULL;
bool savedCallerFun = compileAndGo && callerFrame && callerFrame->isFunctionFrame();
GlobalObject *globalObject = needScriptGlobal ? GetCurrentGlobal(cx) : NULL;
Rooted<JSScript*> script(cx, JSScript::Create(cx,
savedCallerFun,
principals,
originPrincipals,
compileAndGo,
noScriptRval,
globalObject,
version,
staticLevel));
if (!script)
@@ -249,9 +203,6 @@ frontend::CompileScript(JSContext *cx, HandleObject scopeChain, StackFrame *call
bce.tellDebuggerAboutCompiledScript(cx);
if (!MarkInnerAndOuterFunctions(cx, script))
return NULL;
return script;
}
@@ -279,14 +230,12 @@ frontend::CompileFunctionBody(JSContext *cx, HandleFunction fun,
if (!funtc.init())
return false;
GlobalObject *globalObject = fun->getParent() ? &fun->getParent()->global() : NULL;
Rooted<JSScript*> script(cx, JSScript::Create(cx,
/* savedCallerFun = */ false,
principals,
originPrincipals,
/* compileAndGo = */ false,
/* noScriptRval = */ false,
globalObject,
version,
staticLevel));
if (!script)