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cb341586e3
This corresponds to DMD commit a913ce4bc59a94a022a27e390fc841f4aededffb. Doesn't build Phobos yet.
60 lines
1.8 KiB
C++
60 lines
1.8 KiB
C++
//===-- gen/structs.h - D struct codegen ------------------------*- C++ -*-===//
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//
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// LDC – the LLVM D compiler
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//
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// This file is distributed under the BSD-style LDC license. See the LICENSE
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// file for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// Functions for D struct codegen.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LDC_GEN_STRUCTS_H
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#define LDC_GEN_STRUCTS_H
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#include "lexer.h"
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#include <vector>
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class DValue;
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class StructDeclaration;
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class StructInitializer;
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class Type;
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class VarDeclaration;
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namespace llvm
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{
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class Constant;
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class Type;
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class Value;
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}
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/**
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* Sets up codegen metadata and emits global data (.init, etc.), if needed.
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*
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* Has no effect on already resolved struct declarations.
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*/
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void DtoResolveStruct(StructDeclaration* sd);
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/// Returns a boolean=true if the two structs are equal.
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llvm::Value* DtoStructEquals(TOK op, DValue* lhs, DValue* rhs);
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/// index a struct one level
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llvm::Value* DtoIndexStruct(llvm::Value* src, StructDeclaration* sd, VarDeclaration* vd);
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/// Return the type returned by DtoUnpaddedStruct called on a value of the
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/// specified type.
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/// Union types will get expanded into a struct, with a type for each member.
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llvm::Type* DtoUnpaddedStructType(Type* dty);
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/// Return the struct value represented by v without the padding fields.
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/// Unions will be expanded, with a value for each member.
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/// Note: v must be a pointer to a struct, but the return value will be a
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/// first-class struct value.
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llvm::Value* DtoUnpaddedStruct(Type* dty, llvm::Value* v);
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/// Undo the transformation performed by DtoUnpaddedStruct, writing to lval.
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void DtoPaddedStruct(Type* dty, llvm::Value* v, llvm::Value* lval);
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#endif
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