Mercurial > projects > ldc
view gen/dvalue.h @ 650:aa6a0b7968f7
Added test case for bug #100
Removed dubious check for not emitting static private global in other modules without access. This should be handled properly somewhere else, it's causing unresolved global errors for stuff that should work (in MiniD)
author | Tomas Lindquist Olsen <tomas.l.olsen@gmail.com> |
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date | Sun, 05 Oct 2008 17:28:15 +0200 |
parents | 03a5e609eef3 |
children | eef8ac26c66c |
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#ifndef LLVMDC_GEN_DVALUE_H #define LLVMDC_GEN_DVALUE_H /* These classes are used for generating the IR. They encapsulate D values and provide a common interface to the most common operations. When more specialized handling is necessary, they hold enough information to do-the-right-thing (TM) */ #include <cassert> #include "root.h" struct Type; struct Dsymbol; struct VarDeclaration; struct FuncDeclaration; namespace llvm { class Value; class Type; class Constant; } struct DImValue; struct DConstValue; struct DNullValue; struct DVarValue; struct DFieldValue; struct DFuncValue; struct DSliceValue; struct DArrayLenValue; struct DLRValue; // base class for d-values struct DValue : Object { virtual Type*& getType() = 0; virtual LLValue* getLVal() { assert(0); return 0; } virtual LLValue* getRVal() { assert(0); return 0; } virtual bool isLVal() { return false; } virtual DImValue* isIm() { return NULL; } virtual DConstValue* isConst() { return NULL; } virtual DNullValue* isNull() { return NULL; } virtual DVarValue* isVar() { return NULL; } virtual DFieldValue* isField() { return NULL; } virtual DSliceValue* isSlice() { return NULL; } virtual DFuncValue* isFunc() { return NULL; } virtual DArrayLenValue* isArrayLen() { return NULL; } virtual DLRValue* isLRValue() { return NULL; } protected: DValue() {} DValue(const DValue&) { } DValue& operator=(const DValue&) { return *this; } }; // immediate d-value struct DImValue : DValue { Type* type; LLValue* val; DImValue(Type* t, LLValue* v) : type(t), val(v) { } virtual LLValue* getRVal() { assert(val); return val; } virtual Type*& getType() { assert(type); return type; } virtual DImValue* isIm() { return this; } }; // constant d-value struct DConstValue : DValue { Type* type; LLConstant* c; DConstValue(Type* t, LLConstant* con) { type = t; c = con; } virtual LLValue* getRVal(); virtual Type*& getType() { assert(type); return type; } virtual DConstValue* isConst() { return this; } }; // null d-value struct DNullValue : DConstValue { DNullValue(Type* t, LLConstant* con) : DConstValue(t,con) {} virtual DNullValue* isNull() { return this; } }; // variable d-value struct DVarValue : DValue { Type* type; VarDeclaration* var; LLValue* val; DVarValue(Type* t, VarDeclaration* vd, LLValue* llvmValue); DVarValue(Type* t, LLValue* llvmValue); virtual bool isLVal() { return true; } virtual LLValue* getLVal(); virtual LLValue* getRVal(); virtual Type*& getType() { assert(type); return type; } virtual DVarValue* isVar() { return this; } }; // field d-value struct DFieldValue : DVarValue { DFieldValue(Type* t, LLValue* llvmValue) : DVarValue(t, llvmValue) {} virtual DFieldValue* isField() { return this; } }; // slice d-value struct DSliceValue : DValue { Type* type; LLValue* len; LLValue* ptr; DSliceValue(Type* t, LLValue* l, LLValue* p) { type=t; ptr=p; len=l; } virtual Type*& getType() { assert(type); return type; } virtual DSliceValue* isSlice() { return this; } }; // function d-value struct DFuncValue : DValue { Type* type; FuncDeclaration* func; LLValue* val; LLValue* vthis; DFuncValue(FuncDeclaration* fd, LLValue* v, LLValue* vt = 0); virtual LLValue* getRVal(); virtual Type*& getType() { assert(type); return type; } virtual DFuncValue* isFunc() { return this; } }; // l-value and r-value pair d-value struct DLRValue : DValue { DValue* lvalue; DValue* rvalue; DLRValue(DValue* lval, DValue* rval) { lvalue = lval; rvalue = rval; } virtual bool isLVal() { return true; } virtual LLValue* getLVal() { return lvalue->isLVal() ? lvalue->getLVal() : lvalue->getRVal(); } virtual LLValue* getRVal() { return rvalue->getRVal(); } Type*& getLType(); Type*& getRType() { return rvalue->getType(); } virtual Type*& getType() { return getRType(); } virtual DLRValue* isLRValue() { return this; } }; #endif // LLVMDC_GEN_DVALUE_H