6024e5c395
clang 20.0.0 (based on r547379) from build 12806354. Bug: http://b/379133546 Test: N/A Change-Id: I2eb8938af55d809de674be63cb30cf27e801862b Upstream-Commit: ad834e67b1105d15ef907f6255d4c96e8e733f57
57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
//===-- StringLexer.h -------------------------------------------*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLDB_UTILITY_STRINGLEXER_H
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#define LLDB_UTILITY_STRINGLEXER_H
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#include <initializer_list>
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#include <string>
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#include <utility>
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namespace lldb_private {
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class StringLexer {
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public:
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typedef std::string::size_type Position;
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typedef std::string::size_type Size;
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typedef std::string::value_type Character;
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StringLexer(std::string s);
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// These APIs are not bounds-checked. Use HasAtLeast() if you're not sure.
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Character Peek();
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bool NextIf(Character c);
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std::pair<bool, Character> NextIf(std::initializer_list<Character> cs);
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bool AdvanceIf(const std::string &token);
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Character Next();
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bool HasAtLeast(Size s);
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std::string GetUnlexed();
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// This will assert if there are less than s characters preceding the cursor.
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void PutBack(Size s);
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StringLexer &operator=(const StringLexer &rhs);
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private:
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std::string m_data;
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Position m_position;
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void Consume();
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};
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} // namespace lldb_private
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#endif // LLDB_UTILITY_STRINGLEXER_H
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