arch/powerpc/boot/dtc-src/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 #if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
  26 typedef struct YYLTYPE {
  27     int first_line;
  28     int first_column;
  29     int last_line;
  30     int last_column;
  31     int filenum;
  32 } YYLTYPE;
  33
  34 #define YYLTYPE_IS_DECLARED     1
  35 #define YYLTYPE_IS_TRIVIAL      1
  36 #endif
  37
  38 /* Cater to old parser templates. */
  39 #ifndef YYID
  40 #define YYID(n) (n)
  41 #endif
  42
  43 #define YYLLOC_DEFAULT(Current, Rhs, N)                                 \
  44     do                                                                  \
  45       if (YYID (N))                                                     \
  46         {                                                               \
  47           (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;        \
  48           (Current).first_column = YYRHSLOC (Rhs, 1).first_column;      \
  49           (Current).last_line    = YYRHSLOC (Rhs, N).last_line;         \
  50           (Current).last_column  = YYRHSLOC (Rhs, N).last_column;       \
  51           (Current).filenum      = YYRHSLOC (Rhs, N).filenum;           \
  52         }                                                               \
  53       else                                                              \
  54         {                                                               \
  55           (Current).first_line   = (Current).last_line   =              \
  56             YYRHSLOC (Rhs, 0).last_line;                                \
  57           (Current).first_column = (Current).last_column =              \
  58             YYRHSLOC (Rhs, 0).last_column;                              \
  59           (Current).filenum      = YYRHSLOC (Rhs, 0).filenum;           \
  60         }                                                               \
  61     while (YYID (0))
  62
  63
  64
  65 extern void yyerror(char const *);
  66
  67 extern int srcpos_filenum;
  68
  69 extern int push_input_file(const char *filename);
  70 extern int pop_input_file(void);
  71
  72 extern FILE *dtc_open_file(const char *fname);
  73 extern int lookup_file_name(const char *fname, int add_it);
  74 extern const char *srcpos_filename_for_num(int filenum);
  75 const char *srcpos_get_filename(void);