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 #ifndef _SRCPOS_H_
  21 #define _SRCPOS_H_
  22
  23 #include <stdio.h>
  24
  25 struct srcfile_state {
  26         FILE *f;
  27         char *name;
  28         char *dir;
  29         int lineno, colno;
  30         struct srcfile_state *prev;
  31 };
  32
  33 extern FILE *depfile; /* = NULL */
  34 extern struct srcfile_state *current_srcfile; /* = NULL */
  35
  36 FILE *srcfile_relative_open(const char *fname, char **fullnamep);
  37 void srcfile_push(const char *fname);
  38 int srcfile_pop(void);
  39
  40 struct srcpos {
  41     int first_line;
  42     int first_column;
  43     int last_line;
  44     int last_column;
  45     struct srcfile_state *file;
  46 };
  47
  48 #define YYLTYPE struct srcpos
  49
  50 #define YYLLOC_DEFAULT(Current, Rhs, N)                                         \
  51         do {                                                                    \
  52                 if (N) {                                                        \
  53                         (Current).first_line = YYRHSLOC(Rhs, 1).first_line;     \
  54                         (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
  55                         (Current).last_line = YYRHSLOC(Rhs, N).last_line;       \
  56                         (Current).last_column  = YYRHSLOC (Rhs, N).last_column; \
  57                         (Current).file = YYRHSLOC(Rhs, N).file;                 \
  58                 } else {                                                        \
  59                         (Current).first_line = (Current).last_line =            \
  60                                 YYRHSLOC(Rhs, 0).last_line;                     \
  61                         (Current).first_column = (Current).last_column =        \
  62                                 YYRHSLOC(Rhs, 0).last_column;                   \
  63                         (Current).file = YYRHSLOC (Rhs, 0).file;                \
  64                 }                                                               \
  65         } while (0)
  66
  67
  68 /*
  69  * Fictional source position used for IR nodes that are
  70  * created without otherwise knowing a true source position.
  71  * For example,constant definitions from the command line.
  72  */
  73 extern struct srcpos srcpos_empty;
  74
  75 extern void srcpos_update(struct srcpos *pos, const char *text, int len);
  76 extern struct srcpos *srcpos_copy(struct srcpos *pos);
  77 extern char *srcpos_string(struct srcpos *pos);
  78 extern void srcpos_dump(struct srcpos *pos);
  79
  80 extern void srcpos_verror(struct srcpos *pos, char const *, va_list va)
  81      __attribute__((format(printf, 2, 0)));
  82 extern void srcpos_error(struct srcpos *pos, char const *, ...)
  83      __attribute__((format(printf, 2, 3)));
  84 extern void srcpos_warn(struct srcpos *pos, char const *, ...)
  85      __attribute__((format(printf, 2, 3)));
  86
  87 #endif /* _SRCPOS_H_ */