llvm-project/lld/ELF/ScriptParser.h

49 lines
1.1 KiB
C++

//===- ScriptParser.h -------------------------------------------*- C++ -*-===//
//
// The LLVM Linker
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#ifndef LLD_ELF_SCRIPT_PARSER_H
#define LLD_ELF_SCRIPT_PARSER_H
#include "lld/Core/LLVM.h"
#include "llvm/ADT/StringRef.h"
#include <utility>
#include <vector>
namespace lld {
namespace elf {
class ScriptParserBase {
public:
explicit ScriptParserBase(StringRef S) : Input(S), Tokens(tokenize(S)) {}
protected:
void setError(const Twine &Msg);
static std::vector<StringRef> tokenize(StringRef S);
static StringRef skipSpace(StringRef S);
bool atEOF();
StringRef next();
StringRef peek();
void skip();
bool consume(StringRef Tok);
void expect(StringRef Expect);
size_t getPos();
void printErrorPos();
StringRef Input;
std::vector<StringRef> Tokens;
size_t Pos = 0;
bool Error = false;
};
} // namespace elf
} // namespace lld
#endif