src/gromacs/gmxpreprocess/gmxcpp.h

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  37
  38 #ifndef GMX_GMXPREPROCESS_GMXCPP_H
  39 #define GMX_GMXPREPROCESS_GMXCPP_H
  40
  41 #include <string>
  42
  43 typedef struct gmx_cpp* gmx_cpp_t;
  44
  45 /* The possible return codes for these functions */
  46 enum
  47 {
  48     eCPP_OK,
  49     eCPP_FILE_NOT_FOUND,
  50     eCPP_EOF,
  51     eCPP_SYNTAX,
  52     eCPP_INTERRUPT,
  53     eCPP_INVALID_HANDLE,
  54     eCPP_INVALID_INCLUDE_DELIMITER,
  55     eCPP_FILE_NOT_OPEN,
  56     eCPP_UNKNOWN,
  57     eCPP_NR
  58 };
  59
  60 /* Open the file to be processed. The handle variable holds internal
  61    info for the cpp emulator. The cppopt variable (null terminated)
  62    can hold cpp options like -IXXX and -DXXX. Return integer status.
  63  */
  64 int cpp_open_file(const char* filenm, gmx_cpp_t* handlep, char** cppopts);
  65
  66 /* Return one whole line from the file into buf which holds at most n
  67    characters, for subsequent processing. Returns integer status.
  68  */
  69 int cpp_read_line(gmx_cpp_t* handlep, int n, char buf[]);
  70
  71 /* Return the file currently being read.
  72  */
  73 const char* cpp_cur_file(const gmx_cpp_t* handlep);
  74
  75 /* Return the current line number.
  76  */
  77 int cpp_cur_linenr(const gmx_cpp_t* handlep);
  78
  79 /* Close the file! Return integer status.
  80  */
  81 int cpp_close_file(gmx_cpp_t* handlep);
  82
  83 /* Return a pointer to the value of defineName, when present, nullptr othwerwise.
  84  */
  85 const std::string* cpp_find_define(const gmx_cpp_t* handlep, const std::string& defineName);
  86
  87 /* Clean up normal and file static data structures
  88  */
  89 void cpp_done(gmx_cpp_t handle);
  90
  91 /* Return a string containing the error message coresponding to status
  92    variable.
  93  */
  94 char* cpp_error(gmx_cpp_t* handlep, int status);
  95
  96 /* Returns warning message if strings defined in mdp define section (e.g. -DFLEXIBLE)
  97  * were not not found when processing the topology */
  98 std::string checkAndWarnForUnusedDefines(const gmx_cpp& handle);
  99
 100 #endif