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117 lines
3.6 KiB
117 lines
3.6 KiB
/* |
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* Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc. |
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* |
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* This program is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU General Public License as |
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* published by the Free Software Foundation; either version 2 of the |
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* License, or (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 |
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* USA |
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*/ |
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#ifndef SRCPOS_H |
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#define SRCPOS_H |
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#include <stdio.h> |
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#include <stdbool.h> |
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#include "util.h" |
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struct srcfile_state { |
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FILE *f; |
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char *name; |
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char *dir; |
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int lineno, colno; |
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struct srcfile_state *prev; |
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}; |
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extern FILE *depfile; /* = NULL */ |
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extern struct srcfile_state *current_srcfile; /* = NULL */ |
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/** |
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* Open a source file. |
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* |
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* If the source file is a relative pathname, then it is searched for in the |
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* current directory (the directory of the last source file read) and after |
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* that in the search path. |
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* |
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* We work through the search path in order from the first path specified to |
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* the last. |
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* |
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* If the file is not found, then this function does not return, but calls |
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* die(). |
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* |
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* @param fname Filename to search |
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* @param fullnamep If non-NULL, it is set to the allocated filename of the |
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* file that was opened. The caller is then responsible |
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* for freeing the pointer. |
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* @return pointer to opened FILE |
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*/ |
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FILE *srcfile_relative_open(const char *fname, char **fullnamep); |
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void srcfile_push(const char *fname); |
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bool srcfile_pop(void); |
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/** |
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* Add a new directory to the search path for input files |
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* |
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* The new path is added at the end of the list. |
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* |
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* @param dirname Directory to add |
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*/ |
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void srcfile_add_search_path(const char *dirname); |
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struct srcpos { |
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int first_line; |
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int first_column; |
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int last_line; |
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int last_column; |
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struct srcfile_state *file; |
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struct srcpos *next; |
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}; |
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#define YYLTYPE struct srcpos |
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#define YYLLOC_DEFAULT(Current, Rhs, N) \ |
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do { \ |
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if (N) { \ |
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(Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ |
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(Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ |
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(Current).last_line = YYRHSLOC(Rhs, N).last_line; \ |
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(Current).last_column = YYRHSLOC (Rhs, N).last_column; \ |
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(Current).file = YYRHSLOC(Rhs, N).file; \ |
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} else { \ |
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(Current).first_line = (Current).last_line = \ |
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YYRHSLOC(Rhs, 0).last_line; \ |
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(Current).first_column = (Current).last_column = \ |
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YYRHSLOC(Rhs, 0).last_column; \ |
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(Current).file = YYRHSLOC (Rhs, 0).file; \ |
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} \ |
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(Current).next = NULL; \ |
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} while (0) |
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extern void srcpos_update(struct srcpos *pos, const char *text, int len); |
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extern struct srcpos *srcpos_copy(struct srcpos *pos); |
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extern struct srcpos *srcpos_extend(struct srcpos *new_srcpos, |
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struct srcpos *old_srcpos); |
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extern char *srcpos_string(struct srcpos *pos); |
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extern char *srcpos_string_first(struct srcpos *pos, int level); |
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extern char *srcpos_string_last(struct srcpos *pos, int level); |
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extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix, |
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const char *fmt, va_list va); |
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extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix, |
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const char *fmt, ...); |
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extern void srcpos_set_line(char *f, int l); |
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#endif /* SRCPOS_H */
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