JavaScriptCore:
2008-11-17 Geoffrey Garen <ggaren@apple.com>
Reviewed by Sam Weinig.
Moved runtime/ExecState.* => interpreter/CallFrame.*.
* API/JSBase.cpp:
* API/OpaqueJSString.cpp:
* GNUmakefile.am:
* JavaScriptCore.vcproj/JavaScriptCore/JavaScriptCore.vcproj:
* JavaScriptCore.xcodeproj/project.pbxproj:
* debugger/DebuggerCallFrame.h:
* interpreter/CallFrame.cpp: Copied from runtime/ExecState.cpp.
* interpreter/CallFrame.h: Copied from runtime/ExecState.h.
* interpreter/Interpreter.cpp:
* parser/Nodes.cpp:
* profiler/ProfileGenerator.cpp:
* profiler/Profiler.cpp:
* runtime/ClassInfo.h:
* runtime/Collector.cpp:
* runtime/Completion.cpp:
* runtime/ExceptionHelpers.cpp:
* runtime/ExecState.cpp: Removed.
* runtime/ExecState.h: Removed.
* runtime/Identifier.cpp:
* runtime/JSFunction.cpp:
* runtime/JSGlobalObjectFunctions.cpp:
* runtime/JSLock.cpp:
* runtime/JSNumberCell.h:
* runtime/JSObject.h:
* runtime/JSString.h:
* runtime/Lookup.h:
* runtime/PropertyNameArray.h:
JavaScriptGlue:
2008-11-17 Geoffrey Garen <ggaren@apple.com>
Reviewed by Sam Weinig.
Updated for JavaScriptCore rename.
* ForwardingHeaders/runtime/CallFrame.h: Copied from JavaScriptGlue/ForwardingHeaders/runtime/ExecState.h.
* ForwardingHeaders/runtime/ExecState.h: Removed.
* config.h:
WebCore:
2008-11-17 Geoffrey Garen <ggaren@apple.com>
Reviewed by Sam Weinig.
Updated for JavaScriptCore rename.
* ForwardingHeaders/interpreter/CallFrame.h: Copied from WebCore/ForwardingHeaders/runtime/ExecState.h.
* ForwardingHeaders/runtime/ExecState.h: Removed.
* bindings/objc/WebScriptObject.mm:
* bridge/c/c_instance.cpp:
* bridge/jni/jni_jsobject.mm:
* dom/Node.cpp:
* dom/NodeFilter.cpp:
* dom/NodeIterator.cpp:
* dom/TreeWalker.cpp:
* inspector/JavaScriptCallFrame.h:
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@38528 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/JavaScriptCore/interpreter/CallFrame.h b/JavaScriptCore/interpreter/CallFrame.h
new file mode 100644
index 0000000..6554125
--- /dev/null
+++ b/JavaScriptCore/interpreter/CallFrame.h
@@ -0,0 +1,147 @@
+/*
+ * Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ * Copyright (C) 2001 Peter Kelly (pmk@post.com)
+ * Copyright (C) 2003, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ */
+
+#ifndef CallFrame_h
+#define CallFrame_h
+
+#include "JSGlobalData.h"
+#include "RegisterFile.h"
+#include "ScopeChain.h"
+
+namespace JSC {
+
+ class Arguments;
+ class JSActivation;
+ class Interpreter;
+
+ // Represents the current state of script execution.
+ // Passed as the first argument to most functions.
+ class ExecState : private Register {
+ public:
+ JSFunction* callee() const { return this[RegisterFile::Callee].function(); }
+ CodeBlock* codeBlock() const { return this[RegisterFile::CodeBlock].Register::codeBlock(); }
+ ScopeChainNode* scopeChain() const { return this[RegisterFile::ScopeChain].Register::scopeChain(); }
+
+ JSValue* thisValue();
+
+ // Global object in which execution began.
+ JSGlobalObject* dynamicGlobalObject();
+
+ // Global object in which the currently executing code was defined.
+ // Differs from dynamicGlobalObject() during function calls across web browser frames.
+ JSGlobalObject* lexicalGlobalObject() const
+ {
+ return scopeChain()->globalObject();
+ }
+
+ // Differs from lexicalGlobalObject because this will have DOM window shell rather than
+ // the actual DOM window, which can't be "this" for security reasons.
+ JSObject* globalThisValue() const
+ {
+ return scopeChain()->globalThisObject();
+ }
+
+ // FIXME: Elsewhere, we use JSGlobalData* rather than JSGlobalData&.
+ // We should make this more uniform and either use a reference everywhere
+ // or a pointer everywhere.
+ JSGlobalData& globalData() const
+ {
+ return *scopeChain()->globalData;
+ }
+
+ // Convenience functions for access to global data.
+ // It takes a few memory references to get from a call frame to the global data
+ // pointer, so these are inefficient, and should be used sparingly in new code.
+ // But they're used in many places in legacy code, so they're not going away any time soon.
+
+ void setException(JSValue* exception) { globalData().exception = exception; }
+ void clearException() { globalData().exception = noValue(); }
+ JSValue* exception() const { return globalData().exception; }
+ JSValue** exceptionSlot() { return &globalData().exception; }
+ bool hadException() const { return !!globalData().exception; }
+
+ const CommonIdentifiers& propertyNames() const { return *globalData().propertyNames; }
+ const ArgList& emptyList() const { return *globalData().emptyList; }
+ Interpreter* interpreter() { return globalData().interpreter; }
+ Heap* heap() { return &globalData().heap; }
+
+ static const HashTable* arrayTable(CallFrame* callFrame) { return callFrame->globalData().arrayTable; }
+ static const HashTable* dateTable(CallFrame* callFrame) { return callFrame->globalData().dateTable; }
+ static const HashTable* mathTable(CallFrame* callFrame) { return callFrame->globalData().mathTable; }
+ static const HashTable* numberTable(CallFrame* callFrame) { return callFrame->globalData().numberTable; }
+ static const HashTable* regExpTable(CallFrame* callFrame) { return callFrame->globalData().regExpTable; }
+ static const HashTable* regExpConstructorTable(CallFrame* callFrame) { return callFrame->globalData().regExpConstructorTable; }
+ static const HashTable* stringTable(CallFrame* callFrame) { return callFrame->globalData().stringTable; }
+
+ private:
+ friend class Arguments;
+ friend class JSActivation;
+ friend class JSGlobalObject;
+ friend class Interpreter;
+
+ static CallFrame* create(Register* callFrameBase) { return static_cast<CallFrame*>(callFrameBase); }
+ Register* registers() { return this; }
+
+ CallFrame& operator=(const Register& r) { *static_cast<Register*>(this) = r; return *this; }
+
+ int argumentCount() const { return this[RegisterFile::ArgumentCount].i(); }
+ CallFrame* callerFrame() const { return this[RegisterFile::CallerFrame].callFrame(); }
+ Arguments* optionalCalleeArguments() const { return this[RegisterFile::OptionalCalleeArguments].arguments(); }
+ Instruction* returnPC() const { return this[RegisterFile::ReturnPC].vPC(); }
+ int returnValueRegister() const { return this[RegisterFile::ReturnValueRegister].i(); }
+
+ void setArgumentCount(int count) { this[RegisterFile::ArgumentCount] = count; }
+ void setCallee(JSFunction* callee) { this[RegisterFile::Callee] = callee; }
+ void setCalleeArguments(Arguments* arguments) { this[RegisterFile::OptionalCalleeArguments] = arguments; }
+ void setCallerFrame(CallFrame* callerFrame) { this[RegisterFile::CallerFrame] = callerFrame; }
+ void setCodeBlock(CodeBlock* codeBlock) { this[RegisterFile::CodeBlock] = codeBlock; }
+ void setScopeChain(ScopeChainNode* scopeChain) { this[RegisterFile::ScopeChain] = scopeChain; }
+
+ ALWAYS_INLINE void init(CodeBlock* codeBlock, Instruction* vPC, ScopeChainNode* scopeChain,
+ CallFrame* callerFrame, int returnValueRegister, int argc, JSFunction* function)
+ {
+ ASSERT(callerFrame); // Use noCaller() rather than 0 for the outer host call frame caller.
+
+ setCodeBlock(codeBlock);
+ setScopeChain(scopeChain);
+ setCallerFrame(callerFrame);
+ this[RegisterFile::ReturnPC] = vPC;
+ this[RegisterFile::ReturnValueRegister] = returnValueRegister;
+ setArgumentCount(argc); // original argument count (for the sake of the "arguments" object)
+ setCallee(function);
+ setCalleeArguments(0);
+ }
+
+ static const intptr_t HostCallFrameFlag = 1;
+
+ static CallFrame* noCaller() { return reinterpret_cast<CallFrame*>(HostCallFrameFlag); }
+ bool hasHostCallFrameFlag() const { return reinterpret_cast<intptr_t>(this) & HostCallFrameFlag; }
+ CallFrame* addHostCallFrameFlag() const { return reinterpret_cast<CallFrame*>(reinterpret_cast<intptr_t>(this) | HostCallFrameFlag); }
+ CallFrame* removeHostCallFrameFlag() { return reinterpret_cast<CallFrame*>(reinterpret_cast<intptr_t>(this) & ~HostCallFrameFlag); }
+
+ ExecState();
+ ~ExecState();
+ };
+
+} // namespace JSC
+
+#endif // CallFrame_h
