| //===-- llvm/Assembly/Writer.h - Printer for LLVM assembly files --*- C++ -*-=// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This functionality is implemented by lib/VMCore/AsmWriter.cpp. |
| // This library is used to print LLVM assembly language files to an iostream. It |
| // can print LLVM code at a variety of granularities, including Modules, |
| // BasicBlocks, and Instructions. This makes it useful for debugging. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #ifndef LLVM_ASSEMBLY_WRITER_H |
| #define LLVM_ASSEMBLY_WRITER_H |
| |
| #include <iosfwd> |
| #include <string> |
| |
| namespace llvm { |
| |
| class Type; |
| class Module; |
| class Value; |
| class raw_ostream; |
| template <typename T> class SmallVectorImpl; |
| |
| /// TypePrinting - Type printing machinery. |
| class TypePrinting { |
| void *TypeNames; // A map to remember type names. |
| TypePrinting(const TypePrinting &); // DO NOT IMPLEMENT |
| void operator=(const TypePrinting&); // DO NOT IMPLEMENT |
| public: |
| TypePrinting(); |
| ~TypePrinting(); |
| |
| void clear(); |
| |
| void print(const Type *Ty, raw_ostream &OS, bool IgnoreTopLevelName = false); |
| |
| void printAtLeastOneLevel(const Type *Ty, raw_ostream &OS) { |
| print(Ty, OS, true); |
| } |
| |
| /// hasTypeName - Return true if the type has a name in TypeNames, false |
| /// otherwise. |
| bool hasTypeName(const Type *Ty) const; |
| |
| /// addTypeName - Add a name for the specified type if it doesn't already have |
| /// one. This name will be printed instead of the structural version of the |
| /// type in order to make the output more concise. |
| void addTypeName(const Type *Ty, const std::string &N); |
| |
| private: |
| void CalcTypeName(const Type *Ty, SmallVectorImpl<const Type *> &TypeStack, |
| raw_ostream &OS, bool IgnoreTopLevelName = false); |
| }; |
| |
| // WriteTypeSymbolic - This attempts to write the specified type as a symbolic |
| // type, if there is an entry in the Module's symbol table for the specified |
| // type or one of its component types. |
| // |
| void WriteTypeSymbolic(raw_ostream &, const Type *, const Module *M); |
| |
| // WriteAsOperand - Write the name of the specified value out to the specified |
| // ostream. This can be useful when you just want to print int %reg126, not the |
| // whole instruction that generated it. If you specify a Module for context, |
| // then even constants get pretty-printed; for example, the type of a null |
| // pointer is printed symbolically. |
| // |
| void WriteAsOperand(std::ostream &, const Value *, bool PrintTy = true, |
| const Module *Context = 0); |
| void WriteAsOperand(raw_ostream &, const Value *, bool PrintTy = true, |
| const Module *Context = 0); |
| |
| } // End llvm namespace |
| |
| #endif |