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311297b096
This is based on Item 2 of "More Effective C++". In general, the C++ cast operators are more expressive and easy to find, e.g. by grep. Using const_cast also shuts up some compiler warnings.
54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
#include "llvm/DerivedTypes.h"
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#include "mtype.h"
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#include "gen/irstate.h"
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#include "gen/tollvm.h"
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#include "gen/functions.h"
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#include "ir/irtypefunction.h"
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IrTypeFunction::IrTypeFunction(Type* dt)
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: IrType(dt, func2llvm(dt))
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{
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irfty = NULL;
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}
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llvm::Type * IrTypeFunction::buildType()
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{
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return type;
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}
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llvm::Type* IrTypeFunction::func2llvm(Type* dt)
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{
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llvm::Type* T;
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TypeFunction* tf = static_cast<TypeFunction*>(dt);
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if (tf->funcdecl)
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T = DtoFunctionType(tf->funcdecl);
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else
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T = DtoFunctionType(tf,NULL,NULL);
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return T;
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}
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//////////////////////////////////////////////////////////////////////////////
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IrTypeDelegate::IrTypeDelegate(Type * dt)
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: IrType(dt, delegate2llvm(dt))
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{
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}
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llvm::Type* IrTypeDelegate::buildType()
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{
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return type;
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}
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llvm::Type* IrTypeDelegate::delegate2llvm(Type* dt)
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{
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assert(dt->ty == Tdelegate);
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LLType* func = DtoFunctionType(dt->nextOf(), NULL, Type::tvoid->pointerTo());
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llvm::SmallVector<LLType*, 2> types;
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types.push_back(getVoidPtrType());
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types.push_back(getPtrToType(func));
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LLStructType* dgtype = LLStructType::get(gIR->context(), types);
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return dgtype;
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}
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