scripts/dtc/srcpos.h

   1 /*
   2  * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc.
   3  *
   4  * This program is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU General Public License as
   6  * published by the Free Software Foundation; either version 2 of the
   7  * License, or (at your option) any later version.
   8  *
   9  *  This program is distributed in the hope that it will be useful,
  10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  *  General Public License for more details.
  13  *
  14  *  You should have received a copy of the GNU General Public License
  15  *  along with this program; if not, write to the Free Software
  16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307
  17  *                                                                   USA
  18  */
  19
  20 /*
  21  * Augment the standard YYLTYPE with a filenum index into an
  22  * array of all opened filenames.
  23  */
  24
  25 #include <stdio.h>
  26
  27 struct dtc_file {
  28         char *dir;
  29         const char *name;
  30         FILE *file;
  31 };
  32
  33 #if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
  34 typedef struct YYLTYPE {
  35     int first_line;
  36     int first_column;
  37     int last_line;
  38     int last_column;
  39     struct dtc_file *file;
  40 } YYLTYPE;
  41
  42 #define YYLTYPE_IS_DECLARED     1
  43 #define YYLTYPE_IS_TRIVIAL      1
  44 #endif
  45
  46 /* Cater to old parser templates. */
  47 #ifndef YYID
  48 #define YYID(n) (n)
  49 #endif
  50
  51 #define YYLLOC_DEFAULT(Current, Rhs, N)                                 \
  52     do                                                                  \
  53       if (YYID (N))                                                     \
  54         {                                                               \
  55           (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
  56           (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
  57           (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
  58           (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
  59           (Current).file         = YYRHSLOC (Rhs, N).file;              \
  60         }                                                               \
  61       else                                                              \
  62         {                                                               \
  63           (Current).first_line   = (Current).last_line   =              \
  64             YYRHSLOC (Rhs, 0).last_line;                                \
  65           (Current).first_column = (Current).last_column =              \
  66             YYRHSLOC (Rhs, 0).last_column;                              \
  67           (Current).file         = YYRHSLOC (Rhs, 0).file;              \
  68         }                                                               \
  69     while (YYID (0))
  70
  71
  72
  73 extern void yyerror(char const *);
  74 extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
  75
  76 extern struct dtc_file *srcpos_file;
  77
  78 struct search_path {
  79         const char *dir; /* NULL for current directory */
  80         struct search_path *prev, *next;
  81 };
  82
  83 extern struct dtc_file *dtc_open_file(const char *fname,
  84                                       const struct search_path *search);
  85 extern void dtc_close_file(struct dtc_file *file);