CMake/Source/cmFortranParser.h

160 lines
4.9 KiB
C++

/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#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)
#define YY_NO_UNISTD_H
#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)
, LastCharWasNewline(false)
{
}
FILE* File;
YY_BUFFER_STATE Buffer;
std::string Directory;
bool LastCharWasNewline;
};
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;
// Error message text if a parser error occurs.
std::string Error;
// 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