llvm/clang/include/clang/Lex/Token.h

//===--- Token.h - Token interface ------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
//  This file defines the Token interface.
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_CLANG_LEX_TOKEN_H
#define LLVM_CLANG_LEX_TOKEN_H

#include "clang/Basic/SourceLocation.h"
#include "clang/Basic/TokenKinds.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include <cassert>

namespace clang {

class IdentifierInfo;
class LangOptions;

/// Token - This structure provides full information about a lexed token.
/// It is not intended to be space efficient, it is intended to return as much
/// information as possible about each returned token.  This is expected to be
/// compressed into a smaller form if memory footprint is important.
///
/// The parser can create a special "annotation token" representing a stream of
/// tokens that were parsed and semantically resolved, e.g.: "foo::MyClass<int>"
/// can be represented by a single typename annotation token that carries
/// information about the SourceRange of the tokens and the type object.
class Token { … };

/// Information about the conditional stack (\#if directives)
/// currently active.
struct PPConditionalInfo { … };

// Extra information needed for annonation tokens.
struct PragmaLoopHintInfo { … };
} // end namespace clang

#endif // LLVM_CLANG_LEX_TOKEN_H