/* $NetBSD: srcpos.h,v 1.1.1.2 2017/06/08 15:59:21 skrll Exp $ */ /* * 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 #include #include "util.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 PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix, const char *fmt, va_list va); extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix, const char *fmt, ...); extern void srcpos_set_line(char *f, int l); #endif /* _SRCPOS_H_ */