LXR linux/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
  27struct dtc_file {
  28        char *dir;
  29        const char *name;
  30        FILE *file;
  31};
  32
  33#if ! defined(YYLTYPE) && ! defined(YYLTYPE_IS_DECLARED)
  34typedef 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
  73extern void yyerror(char const *);
  74extern void yyerrorf(char const *, ...) __attribute__((format(printf, 1, 2)));
  75
  76extern struct dtc_file *srcpos_file;
  77
  78struct search_path {
  79        const char *dir; /* NULL for current directory */
  80        struct search_path *prev, *next;
  81};
  82
  83extern struct dtc_file *dtc_open_file(const char *fname,
  84                                      const struct search_path *search);
  85extern void dtc_close_file(struct dtc_file *file);
  86