summaryrefslogtreecommitdiff
path: root/Source/cmFortranParser.h
blob: 5f1c7acdf36c21e10f262fdff3fd05c4f7e3f59d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
/*============================================================================
  CMake - Cross Platform Makefile Generator
  Copyright 2000-2009 Kitware, Inc., Insight Software Consortium

  Distributed under the OSI-approved BSD License (the "License");
  see accompanying file Copyright.txt for details.

  This software is distributed WITHOUT ANY WARRANTY; without even the
  implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  See the License for more information.
============================================================================*/
#ifndef cmFortranParser_h
#define cmFortranParser_h

#if !defined(cmFortranLexer_cxx) && !defined(cmFortranParser_cxx)
#include <cmConfigure.h>

#include "cmStandardIncludes.h"
#endif

#include <stddef.h> /* size_t */

/* Forward declare parser object type.  */
typedef struct cmFortranParser_s cmFortranParser;

/* Functions to enter/exit #include'd files in order.  */
bool cmFortranParser_FilePush(cmFortranParser* parser, const char* fname);
bool cmFortranParser_FilePop(cmFortranParser* parser);

/* Callbacks for lexer.  */
int cmFortranParser_Input(cmFortranParser* parser, char* buffer,
                          size_t bufferSize);

void cmFortranParser_StringStart(cmFortranParser* parser);
const char* cmFortranParser_StringEnd(cmFortranParser* parser);
void cmFortranParser_StringAppend(cmFortranParser* parser, char c);

void cmFortranParser_SetInInterface(cmFortranParser* parser, bool is_in);
bool cmFortranParser_GetInInterface(cmFortranParser* parser);

void cmFortranParser_SetInPPFalseBranch(cmFortranParser* parser, bool is_in);
bool cmFortranParser_GetInPPFalseBranch(cmFortranParser* parser);

void cmFortranParser_SetOldStartcond(cmFortranParser* parser, int arg);
int cmFortranParser_GetOldStartcond(cmFortranParser* parser);

/* Callbacks for parser.  */
void cmFortranParser_Error(cmFortranParser* parser, const char* message);
void cmFortranParser_RuleUse(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleLineDirective(cmFortranParser* parser,
                                       const char* filename);
void cmFortranParser_RuleInclude(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleModule(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleDefine(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleUndef(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleIfdef(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleIfndef(cmFortranParser* parser, const char* name);
void cmFortranParser_RuleIf(cmFortranParser* parser);
void cmFortranParser_RuleElif(cmFortranParser* parser);
void cmFortranParser_RuleElse(cmFortranParser* parser);
void cmFortranParser_RuleEndif(cmFortranParser* parser);

/* Define the parser stack element type.  */
typedef union cmFortran_yystype_u cmFortran_yystype;
union cmFortran_yystype_u
{
  char* string;
};

/* Setup the proper yylex interface.  */
#define YY_EXTRA_TYPE cmFortranParser*
#define YY_DECL int cmFortran_yylex(YYSTYPE* yylvalp, yyscan_t yyscanner)
#define YYSTYPE cmFortran_yystype
#define YYSTYPE_IS_DECLARED 1
#if !defined(cmFortranLexer_cxx)
#include "cmFortranLexer.h"
#endif
#if !defined(cmFortranLexer_cxx)
#if !defined(cmFortranParser_cxx)
#undef YY_EXTRA_TYPE
#undef YY_DECL
#undef YYSTYPE
#undef YYSTYPE_IS_DECLARED
#endif
#endif

#if !defined(cmFortranLexer_cxx) && !defined(cmFortranParser_cxx)
#include <stack>

// Information about a single source file.
class cmFortranSourceInfo
{
public:
  // The name of the source file.
  std::string Source;

  // Set of provided and required modules.
  std::set<std::string> Provides;
  std::set<std::string> Requires;

  // Set of files included in the translation unit.
  std::set<std::string> Includes;
};

// Parser methods not included in generated interface.

// Get the current buffer processed by the lexer.
YY_BUFFER_STATE cmFortranLexer_GetCurrentBuffer(yyscan_t yyscanner);

// The parser entry point.
int cmFortran_yyparse(yyscan_t);

// Define parser object internal structure.
struct cmFortranFile
{
  cmFortranFile(FILE* file, YY_BUFFER_STATE buffer, const std::string& dir)
    : File(file)
    , Buffer(buffer)
    , Directory(dir)
  {
  }
  FILE* File;
  YY_BUFFER_STATE Buffer;
  std::string Directory;
};

struct cmFortranParser_s
{
  cmFortranParser_s(std::vector<std::string> const& includes,
                    std::set<std::string> const& defines,
                    cmFortranSourceInfo& info);
  ~cmFortranParser_s();

  bool FindIncludeFile(const char* dir, const char* includeName,
                       std::string& fileName);

  // The include file search path.
  std::vector<std::string> IncludePath;

  // Lexical scanner instance.
  yyscan_t Scanner;

  // Stack of open files in the translation unit.
  std::stack<cmFortranFile> FileStack;

  // Buffer for string literals.
  std::string TokenString;

  // Flag for whether lexer is reading from inside an interface.
  bool InInterface;

  int OldStartcond;
  std::set<std::string> PPDefinitions;
  size_t InPPFalseBranch;
  std::stack<bool> SkipToEnd;

  // Information about the parsed source.
  cmFortranSourceInfo& Info;
};
#endif

#endif