1//
2// Copyright (c) 2011 The ANGLE Project Authors. All rights reserved.
3// Use of this source code is governed by a BSD-style license that can be
4// found in the LICENSE file.
5//
6
7#ifndef COMPILER_PREPROCESSOR_PREPROCESSOR_H_
8#define COMPILER_PREPROCESSOR_PREPROCESSOR_H_
9
10#include <stddef.h>
11
12#include "pp_utils.h"
13
14namespace pp
15{
16
17class Diagnostics;
18class DirectiveHandler;
19struct PreprocessorImpl;
20struct Token;
21
22class Preprocessor
23{
24  public:
25    Preprocessor(Diagnostics *diagnostics, DirectiveHandler *directiveHandler);
26    ~Preprocessor();
27
28    // count: specifies the number of elements in the string and length arrays.
29    // string: specifies an array of pointers to strings.
30    // length: specifies an array of string lengths.
31    // If length is NULL, each string is assumed to be null terminated.
32    // If length is a value other than NULL, it points to an array containing
33    // a string length for each of the corresponding elements of string.
34    // Each element in the length array may contain the length of the
35    // corresponding string or a value less than 0 to indicate that the string
36    // is null terminated.
37    bool init(size_t count, const char * const string[], const int length[]);
38    // Adds a pre-defined macro.
39    void predefineMacro(const char *name, int value);
40
41    void lex(Token *token);
42
43    // Set maximum preprocessor token size
44    void setMaxTokenSize(size_t maxTokenSize);
45
46  private:
47    PP_DISALLOW_COPY_AND_ASSIGN(Preprocessor);
48
49    PreprocessorImpl *mImpl;
50};
51
52}  // namespace pp
53#endif  // COMPILER_PREPROCESSOR_PREPROCESSOR_H_
54
55