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