src/gromacs/gmxpreprocess/gmxcpp.h

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  37
  38 #ifndef GMX_GMXPREPROCESS_GMXCPP_H
  39 #define GMX_GMXPREPROCESS_GMXCPP_H
  40
  41 typedef struct gmx_cpp *gmx_cpp_t;
  42
  43 /* The possible return codes for these functions */
  44 enum {
  45     eCPP_OK, eCPP_FILE_NOT_FOUND, eCPP_EOF, eCPP_SYNTAX, eCPP_INTERRUPT,
  46     eCPP_INVALID_HANDLE,
  47     eCPP_FILE_NOT_OPEN, eCPP_UNKNOWN, eCPP_NR
  48 };
  49
  50 /* THESE FUNCTIONS ARE NOT THREAD SAFE!! */
  51
  52 /* Open the file to be processed. The handle variable holds internal
  53    info for the cpp emulator. The cppopt variable (null terminated)
  54    can hold cpp options like -IXXX and -DXXX. Return integer status.
  55
  56    NOT THREAD SAFE
  57  */
  58 int cpp_open_file(const char *filenm, gmx_cpp_t *handlep, char **cppopts);
  59
  60 /* Return one whole line from the file into buf which holds at most n
  61    characters, for subsequent processing. Returns integer status.
  62
  63    NOT THREAD SAFE
  64  */
  65 int cpp_read_line(gmx_cpp_t *handlep, int n, char buf[]);
  66
  67 /* Return the file currently being read.
  68
  69    NOT THREAD SAFE
  70  */
  71 char *cpp_cur_file(const gmx_cpp_t *handlep);
  72
  73 /* Return the current line number.
  74
  75    NOT THREAD SAFE
  76  */
  77 int cpp_cur_linenr(const gmx_cpp_t *handlep);
  78
  79 /* Close the file! Return integer status.
  80
  81    NOT THREAD SAFE
  82  */
  83 int cpp_close_file(gmx_cpp_t *handlep);
  84
  85 /* Clean up normal and file static data structures
  86
  87    NOT THREAD SAFE
  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    NOT THREAD SAFE
  95  */
  96 char *cpp_error(gmx_cpp_t *handlep, int status);
  97
  98 #endif