82 lines
2.6 KiB
C
82 lines
2.6 KiB
C
|
//===-- ResourceScriptToken.h -----------------------------------*- 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 declares the .rc script tokens and defines an interface for tokenizing
|
||
|
|
// the input data. The list of available tokens is located at
|
||
|
|
// ResourceScriptTokenList.def.
|
||
|
|
//
|
||
|
|
// Note that the tokenizer does not support preprocessor directives. The
|
||
|
|
// preprocessor should do its work on the .rc file before running llvm-rc.
|
||
|
|
//
|
||
|
|
// As for now, it is possible to parse ASCII files only (the behavior on
|
||
|
|
// UTF files might be undefined). However, it already consumes UTF-8 BOM, if
|
||
|
|
// there is any. Thus, ASCII-compatible UTF-8 files are tokenized correctly.
|
||
|
|
//
|
||
|
|
// Ref: msdn.microsoft.com/en-us/library/windows/desktop/aa380599(v=vs.85).aspx
|
||
|
|
//
|
||
|
|
//===---------------------------------------------------------------------===//
|
||
|
|
|
||
|
|
#ifndef LLVM_TOOLS_LLVMRC_RESOURCESCRIPTTOKEN_H
|
||
|
|
#define LLVM_TOOLS_LLVMRC_RESOURCESCRIPTTOKEN_H
|
||
|
|
|
||
|
|
#include "llvm/ADT/StringRef.h"
|
||
|
|
#include "llvm/Support/Error.h"
|
||
|
|
|
||
|
|
#include <cstdint>
|
||
|
|
#include <map>
|
||
|
|
#include <string>
|
||
|
|
#include <vector>
|
||
|
|
|
||
|
|
namespace llvm {
|
||
|
|
|
||
|
|
// A definition of a single resource script token. Each token has its kind
|
||
|
|
// (declared in ResourceScriptTokenList) and holds a value - a reference
|
||
|
|
// representation of the token.
|
||
|
|
// RCToken does not claim ownership on its value. A memory buffer containing
|
||
|
|
// the token value should be stored in a safe place and cannot be freed
|
||
|
|
// nor reallocated.
|
||
|
|
class RCToken {
|
||
|
|
public:
|
||
|
|
enum class Kind {
|
||
|
|
#define TOKEN(Name) Name,
|
||
|
|
#define SHORT_TOKEN(Name, Ch) Name,
|
||
|
|
#include "ResourceScriptTokenList.def"
|
||
|
|
};
|
||
|
|
|
||
|
|
RCToken(RCToken::Kind RCTokenKind, StringRef Value);
|
||
|
|
|
||
|
|
// Get an integer value of the integer token.
|
||
|
|
uint32_t intValue() const;
|
||
|
|
bool isLongInt() const;
|
||
|
|
|
||
|
|
StringRef value() const;
|
||
|
|
Kind kind() const;
|
||
|
|
|
||
|
|
// Check if a token describes a binary operator.
|
||
|
|
bool isBinaryOp() const;
|
||
|
|
|
||
|
|
private:
|
||
|
|
Kind TokenKind;
|
||
|
|
StringRef TokenValue;
|
||
|
|
};
|
||
|
|
|
||
|
|
// Tokenize Input.
|
||
|
|
// In case no error occurred, the return value contains
|
||
|
|
// tokens in order they were in the input file.
|
||
|
|
// In case of any error, the return value contains
|
||
|
|
// a textual representation of error.
|
||
|
|
//
|
||
|
|
// Tokens returned by this function hold only references to the parts
|
||
|
|
// of the Input. Memory buffer containing Input cannot be freed,
|
||
|
|
// modified or reallocated.
|
||
|
|
Expected<std::vector<RCToken>> tokenizeRC(StringRef Input);
|
||
|
|
|
||
|
|
} // namespace llvm
|
||
|
|
|
||
|
|
#endif
|