llvm-6502/include/llvm/Assembly/Parser.h
2003-11-11 22:41:34 +00:00

78 lines
2.5 KiB
C++

//===-- llvm/Assembly/Parser.h - Parser for VM assembly files ---*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// These classes are implemented by the lib/AsmParser library.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_ASSEMBLY_PARSER_H
#define LLVM_ASSEMBLY_PARSER_H
#include <string>
namespace llvm {
class Module;
class ParseException;
// The useful interface defined by this file... Parse an ascii file, and return
// the internal representation in a nice slice'n'dice'able representation. Note
// that this does not verify that the generated LLVM is valid, so you should run
// the verifier after parsing the file to check that it's ok.
//
Module *ParseAssemblyFile(const std::string &Filename);// throw (ParseException)
//===------------------------------------------------------------------------===
// Helper Classes
//===------------------------------------------------------------------------===
// ParseException - For when an exceptional event is generated by the parser.
// This class lets you print out the exception message
//
struct ParseException {
ParseException(const std::string &filename, const std::string &message,
int LineNo = -1, int ColNo = -1);
ParseException(const ParseException &E);
// getMessage - Return the message passed in at construction time plus extra
// information extracted from the options used to parse with...
//
const std::string getMessage() const;
inline const std::string &getRawMessage() const { // Just the raw message...
return Message;
}
inline const std::string &getFilename() const {
return Filename;
}
// getErrorLocation - Return the line and column number of the error in the
// input source file. The source filename can be derived from the
// ParserOptions in effect. If positional information is not applicable,
// these will return a value of -1.
//
inline const void getErrorLocation(int &Line, int &Column) const {
Line = LineNo; Column = ColumnNo;
}
private :
std::string Filename;
std::string Message;
int LineNo, ColumnNo; // -1 if not relevant
ParseException &operator=(const ParseException &E); // objects by reference
};
} // End llvm namespace
#endif