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33 #include <wtf/Assertions.h>
34 #include <wtf/VectorTraits.h>
42 class JSPropertyNameIterator;
45 struct InlineCallFrame;
48 typedef ExecState CallFrame;
51 WTF_MAKE_FAST_ALLOCATED;
55 Register(const JSValue&);
56 Register& operator=(const JSValue&);
57 JSValue jsValue() const;
58 EncodedJSValue encodedJSValue() const;
60 Register& operator=(CallFrame*);
61 Register& operator=(CodeBlock*);
62 Register& operator=(ScopeChainNode*);
63 Register& operator=(Instruction*);
64 Register& operator=(InlineCallFrame*);
67 JSActivation* activation() const;
68 CallFrame* callFrame() const;
69 CodeBlock* codeBlock() const;
70 JSObject* function() const;
71 JSPropertyNameIterator* propertyNameIterator() const;
72 ScopeChainNode* scopeChain() const;
73 Instruction* vPC() const;
74 InlineCallFrame* inlineCallFrame() const;
76 static Register withInt(int32_t i)
78 Register r = jsNumber(i);
82 static inline Register withCallee(JSObject* callee);
90 InlineCallFrame* inlineCallFrame;
94 ALWAYS_INLINE Register::Register()
101 ALWAYS_INLINE Register::Register(const JSValue& v)
103 u.value = JSValue::encode(v);
106 ALWAYS_INLINE Register& Register::operator=(const JSValue& v)
108 u.value = JSValue::encode(v);
112 ALWAYS_INLINE JSValue Register::jsValue() const
114 return JSValue::decode(u.value);
117 ALWAYS_INLINE EncodedJSValue Register::encodedJSValue() const
122 // Interpreter functions
124 ALWAYS_INLINE Register& Register::operator=(CallFrame* callFrame)
126 u.callFrame = callFrame;
130 ALWAYS_INLINE Register& Register::operator=(CodeBlock* codeBlock)
132 u.codeBlock = codeBlock;
136 ALWAYS_INLINE Register& Register::operator=(Instruction* vPC)
142 ALWAYS_INLINE Register& Register::operator=(InlineCallFrame* inlineCallFrame)
144 u.inlineCallFrame = inlineCallFrame;
148 ALWAYS_INLINE int32_t Register::i() const
150 return jsValue().asInt32();
153 ALWAYS_INLINE CallFrame* Register::callFrame() const
158 ALWAYS_INLINE CodeBlock* Register::codeBlock() const
163 ALWAYS_INLINE Instruction* Register::vPC() const
168 ALWAYS_INLINE InlineCallFrame* Register::inlineCallFrame() const
170 return u.inlineCallFrame;
177 template<> struct VectorTraits<JSC::Register> : VectorTraitsBase<true, JSC::Register> { };