forked from OSchip/llvm-project
52 lines
1.1 KiB
C++
52 lines
1.1 KiB
C++
//===- ScriptParser.h -------------------------------------------*- C++ -*-===//
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//
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// The LLVM Linker
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLD_ELF_SCRIPT_PARSER_H
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#define LLD_ELF_SCRIPT_PARSER_H
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#include "lld/Core/LLVM.h"
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#include "llvm/ADT/StringRef.h"
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#include <vector>
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namespace lld {
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namespace elf {
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class ScriptParserBase {
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public:
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ScriptParserBase(StringRef S) : Input(S), Tokens(tokenize(S)) {}
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virtual ~ScriptParserBase() = default;
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virtual void run() = 0;
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protected:
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void setError(const Twine &Msg);
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static std::vector<StringRef> tokenize(StringRef S);
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static StringRef skipSpace(StringRef S);
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bool atEOF();
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StringRef next();
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StringRef peek();
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bool skip(StringRef Tok);
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void expect(StringRef Expect);
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size_t getPos();
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void printErrorPos();
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std::vector<uint8_t> parseHex(StringRef S);
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StringRef Input;
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std::vector<StringRef> Tokens;
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size_t Pos = 0;
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bool Error = false;
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};
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} // namespace elf
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} // namespace lld
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#endif
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