1*d18719a4STom Rini /* 2*d18719a4STom Rini * Copyright 2007 Jon Loeliger, Freescale Semiconductor, Inc. 3*d18719a4STom Rini * 4*d18719a4STom Rini * This program is free software; you can redistribute it and/or 5*d18719a4STom Rini * modify it under the terms of the GNU General Public License as 6*d18719a4STom Rini * published by the Free Software Foundation; either version 2 of the 7*d18719a4STom Rini * License, or (at your option) any later version. 8*d18719a4STom Rini * 9*d18719a4STom Rini * This program is distributed in the hope that it will be useful, 10*d18719a4STom Rini * but WITHOUT ANY WARRANTY; without even the implied warranty of 11*d18719a4STom Rini * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 12*d18719a4STom Rini * General Public License for more details. 13*d18719a4STom Rini * 14*d18719a4STom Rini * You should have received a copy of the GNU General Public License 15*d18719a4STom Rini * along with this program; if not, write to the Free Software 16*d18719a4STom Rini * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 17*d18719a4STom Rini * USA 18*d18719a4STom Rini */ 19*d18719a4STom Rini 20*d18719a4STom Rini #ifndef _SRCPOS_H_ 21*d18719a4STom Rini #define _SRCPOS_H_ 22*d18719a4STom Rini 23*d18719a4STom Rini #include <stdio.h> 24*d18719a4STom Rini #include <stdbool.h> 25*d18719a4STom Rini 26*d18719a4STom Rini struct srcfile_state { 27*d18719a4STom Rini FILE *f; 28*d18719a4STom Rini char *name; 29*d18719a4STom Rini char *dir; 30*d18719a4STom Rini int lineno, colno; 31*d18719a4STom Rini struct srcfile_state *prev; 32*d18719a4STom Rini }; 33*d18719a4STom Rini 34*d18719a4STom Rini extern FILE *depfile; /* = NULL */ 35*d18719a4STom Rini extern struct srcfile_state *current_srcfile; /* = NULL */ 36*d18719a4STom Rini 37*d18719a4STom Rini /** 38*d18719a4STom Rini * Open a source file. 39*d18719a4STom Rini * 40*d18719a4STom Rini * If the source file is a relative pathname, then it is searched for in the 41*d18719a4STom Rini * current directory (the directory of the last source file read) and after 42*d18719a4STom Rini * that in the search path. 43*d18719a4STom Rini * 44*d18719a4STom Rini * We work through the search path in order from the first path specified to 45*d18719a4STom Rini * the last. 46*d18719a4STom Rini * 47*d18719a4STom Rini * If the file is not found, then this function does not return, but calls 48*d18719a4STom Rini * die(). 49*d18719a4STom Rini * 50*d18719a4STom Rini * @param fname Filename to search 51*d18719a4STom Rini * @param fullnamep If non-NULL, it is set to the allocated filename of the 52*d18719a4STom Rini * file that was opened. The caller is then responsible 53*d18719a4STom Rini * for freeing the pointer. 54*d18719a4STom Rini * @return pointer to opened FILE 55*d18719a4STom Rini */ 56*d18719a4STom Rini FILE *srcfile_relative_open(const char *fname, char **fullnamep); 57*d18719a4STom Rini 58*d18719a4STom Rini void srcfile_push(const char *fname); 59*d18719a4STom Rini bool srcfile_pop(void); 60*d18719a4STom Rini 61*d18719a4STom Rini /** 62*d18719a4STom Rini * Add a new directory to the search path for input files 63*d18719a4STom Rini * 64*d18719a4STom Rini * The new path is added at the end of the list. 65*d18719a4STom Rini * 66*d18719a4STom Rini * @param dirname Directory to add 67*d18719a4STom Rini */ 68*d18719a4STom Rini void srcfile_add_search_path(const char *dirname); 69*d18719a4STom Rini 70*d18719a4STom Rini struct srcpos { 71*d18719a4STom Rini int first_line; 72*d18719a4STom Rini int first_column; 73*d18719a4STom Rini int last_line; 74*d18719a4STom Rini int last_column; 75*d18719a4STom Rini struct srcfile_state *file; 76*d18719a4STom Rini }; 77*d18719a4STom Rini 78*d18719a4STom Rini #define YYLTYPE struct srcpos 79*d18719a4STom Rini 80*d18719a4STom Rini #define YYLLOC_DEFAULT(Current, Rhs, N) \ 81*d18719a4STom Rini do { \ 82*d18719a4STom Rini if (N) { \ 83*d18719a4STom Rini (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ 84*d18719a4STom Rini (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ 85*d18719a4STom Rini (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ 86*d18719a4STom Rini (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ 87*d18719a4STom Rini (Current).file = YYRHSLOC(Rhs, N).file; \ 88*d18719a4STom Rini } else { \ 89*d18719a4STom Rini (Current).first_line = (Current).last_line = \ 90*d18719a4STom Rini YYRHSLOC(Rhs, 0).last_line; \ 91*d18719a4STom Rini (Current).first_column = (Current).last_column = \ 92*d18719a4STom Rini YYRHSLOC(Rhs, 0).last_column; \ 93*d18719a4STom Rini (Current).file = YYRHSLOC (Rhs, 0).file; \ 94*d18719a4STom Rini } \ 95*d18719a4STom Rini } while (0) 96*d18719a4STom Rini 97*d18719a4STom Rini 98*d18719a4STom Rini /* 99*d18719a4STom Rini * Fictional source position used for IR nodes that are 100*d18719a4STom Rini * created without otherwise knowing a true source position. 101*d18719a4STom Rini * For example,constant definitions from the command line. 102*d18719a4STom Rini */ 103*d18719a4STom Rini extern struct srcpos srcpos_empty; 104*d18719a4STom Rini 105*d18719a4STom Rini extern void srcpos_update(struct srcpos *pos, const char *text, int len); 106*d18719a4STom Rini extern struct srcpos *srcpos_copy(struct srcpos *pos); 107*d18719a4STom Rini extern char *srcpos_string(struct srcpos *pos); 108*d18719a4STom Rini 109*d18719a4STom Rini extern void srcpos_verror(struct srcpos *pos, const char *prefix, 110*d18719a4STom Rini const char *fmt, va_list va) 111*d18719a4STom Rini __attribute__((format(printf, 3, 0))); 112*d18719a4STom Rini extern void srcpos_error(struct srcpos *pos, const char *prefix, 113*d18719a4STom Rini const char *fmt, ...) 114*d18719a4STom Rini __attribute__((format(printf, 3, 4))); 115*d18719a4STom Rini 116*d18719a4STom Rini extern void srcpos_set_line(char *f, int l); 117*d18719a4STom Rini 118*d18719a4STom Rini #endif /* _SRCPOS_H_ */ 119