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33 #include <wtf/Assertions.h>
34 #include <wtf/VectorTraits.h>
42 class JSPropertyNameIterator;
47 typedef ExecState CallFrame;
50 WTF_MAKE_FAST_ALLOCATED;
54 Register(const JSValue&);
55 Register& operator=(const JSValue&);
56 JSValue jsValue() const;
57 EncodedJSValue encodedJSValue() const;
59 Register& operator=(CallFrame*);
60 Register& operator=(CodeBlock*);
61 Register& operator=(ScopeChainNode*);
62 Register& operator=(Instruction*);
65 JSActivation* activation() const;
66 CallFrame* callFrame() const;
67 CodeBlock* codeBlock() const;
68 JSObject* function() const;
69 JSPropertyNameIterator* propertyNameIterator() const;
70 ScopeChainNode* scopeChain() const;
71 Instruction* vPC() const;
73 static Register withInt(int32_t i)
75 Register r = jsNumber(i);
79 static inline Register withCallee(JSObject* callee);
90 ALWAYS_INLINE Register::Register()
97 ALWAYS_INLINE Register::Register(const JSValue& v)
99 u.value = JSValue::encode(v);
102 ALWAYS_INLINE Register& Register::operator=(const JSValue& v)
104 u.value = JSValue::encode(v);
108 ALWAYS_INLINE JSValue Register::jsValue() const
110 return JSValue::decode(u.value);
113 ALWAYS_INLINE EncodedJSValue Register::encodedJSValue() const
118 // Interpreter functions
120 ALWAYS_INLINE Register& Register::operator=(CallFrame* callFrame)
122 u.callFrame = callFrame;
126 ALWAYS_INLINE Register& Register::operator=(CodeBlock* codeBlock)
128 u.codeBlock = codeBlock;
132 ALWAYS_INLINE Register& Register::operator=(Instruction* vPC)
138 ALWAYS_INLINE int32_t Register::i() const
140 return jsValue().asInt32();
143 ALWAYS_INLINE CallFrame* Register::callFrame() const
148 ALWAYS_INLINE CodeBlock* Register::codeBlock() const
153 ALWAYS_INLINE Instruction* Register::vPC() const
162 template<> struct VectorTraits<JSC::Register> : VectorTraitsBase<true, JSC::Register> { };