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comparison gen/dvalue.h @ 1151:3cf0066e6faf

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- Versioned Expresssion::toElem with #if IN_DMD/IN_LLVM. - Eliminated the DLRValue DValue. - Implemented proactive handling of l-value CastExpS. - Minor tweak in runtime memory.d .
author Tomas Lindquist Olsen <tomas.l.olsen gmail.com>
date Sat, 28 Mar 2009 05:00:43 +0100
parents 30b42a283c8e
children f5729209a1d4
comparison
equal deleted inserted replaced
1150:2a687353c84d 1151:3cf0066e6faf
27 struct DNullValue; 27 struct DNullValue;
28 struct DVarValue; 28 struct DVarValue;
29 struct DFieldValue; 29 struct DFieldValue;
30 struct DFuncValue; 30 struct DFuncValue;
31 struct DSliceValue; 31 struct DSliceValue;
32 struct DLRValue;
33 32
34 // base class for d-values 33 // base class for d-values
35 struct DValue : Object 34 struct DValue : Object
36 { 35 {
37 virtual Type*& getType() = 0; 36 virtual Type*& getType() = 0;
46 virtual DNullValue* isNull() { return NULL; } 45 virtual DNullValue* isNull() { return NULL; }
47 virtual DVarValue* isVar() { return NULL; } 46 virtual DVarValue* isVar() { return NULL; }
48 virtual DFieldValue* isField() { return NULL; } 47 virtual DFieldValue* isField() { return NULL; }
49 virtual DSliceValue* isSlice() { return NULL; } 48 virtual DSliceValue* isSlice() { return NULL; }
50 virtual DFuncValue* isFunc() { return NULL; } 49 virtual DFuncValue* isFunc() { return NULL; }
51 virtual DLRValue* isLRValue() { return NULL; }
52 50
53 protected: 51 protected:
54 DValue() {} 52 DValue() {}
55 DValue(const DValue&) { } 53 DValue(const DValue&) { }
56 DValue& operator=(const DValue&) { return *this; } 54 DValue& operator=(const DValue&) { return *this; }
145 143
146 virtual Type*& getType() { assert(type); return type; } 144 virtual Type*& getType() { assert(type); return type; }
147 virtual DFuncValue* isFunc() { return this; } 145 virtual DFuncValue* isFunc() { return this; }
148 }; 146 };
149 147
150 // l-value and r-value pair d-value
151 struct DLRValue : DValue
152 {
153 DValue* lvalue;
154 DValue* rvalue;
155
156 DLRValue(DValue* lval, DValue* rval) {
157 lvalue = lval;
158 rvalue = rval;
159 }
160
161 virtual bool isLVal() { return true; }
162 virtual LLValue* getLVal() { return lvalue->isLVal() ? lvalue->getLVal() : lvalue->getRVal(); }
163 virtual LLValue* getRVal() { return rvalue->getRVal(); }
164
165 Type*& getLType();
166 Type*& getRType() { return rvalue->getType(); }
167 virtual Type*& getType() { return getRType(); }
168 virtual DLRValue* isLRValue() { return this; }
169 };
170
171 #endif // LDC_GEN_DVALUE_H 148 #endif // LDC_GEN_DVALUE_H