Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 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 | |
Rob Herring | cd5f70d | 2018-05-19 14:13:53 +0200 | [diff] [blame] | 20 | #ifndef SRCPOS_H |
| 21 | #define SRCPOS_H |
Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 22 | |
| 23 | #include <stdio.h> |
| 24 | #include <stdbool.h> |
Tom Rini | 56aeab5 | 2017-09-23 17:30:53 -0400 | [diff] [blame] | 25 | #include "util.h" |
Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 26 | |
| 27 | struct srcfile_state { |
| 28 | FILE *f; |
| 29 | char *name; |
| 30 | char *dir; |
| 31 | int lineno, colno; |
| 32 | struct srcfile_state *prev; |
| 33 | }; |
| 34 | |
| 35 | extern FILE *depfile; /* = NULL */ |
| 36 | extern struct srcfile_state *current_srcfile; /* = NULL */ |
| 37 | |
| 38 | /** |
| 39 | * Open a source file. |
| 40 | * |
| 41 | * If the source file is a relative pathname, then it is searched for in the |
| 42 | * current directory (the directory of the last source file read) and after |
| 43 | * that in the search path. |
| 44 | * |
| 45 | * We work through the search path in order from the first path specified to |
| 46 | * the last. |
| 47 | * |
| 48 | * If the file is not found, then this function does not return, but calls |
| 49 | * die(). |
| 50 | * |
| 51 | * @param fname Filename to search |
| 52 | * @param fullnamep If non-NULL, it is set to the allocated filename of the |
| 53 | * file that was opened. The caller is then responsible |
| 54 | * for freeing the pointer. |
Heinrich Schuchardt | 47b4c02 | 2022-01-19 18:05:50 +0100 | [diff] [blame] | 55 | * Return: pointer to opened FILE |
Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 56 | */ |
| 57 | FILE *srcfile_relative_open(const char *fname, char **fullnamep); |
| 58 | |
| 59 | void srcfile_push(const char *fname); |
| 60 | bool srcfile_pop(void); |
| 61 | |
| 62 | /** |
| 63 | * Add a new directory to the search path for input files |
| 64 | * |
| 65 | * The new path is added at the end of the list. |
| 66 | * |
| 67 | * @param dirname Directory to add |
| 68 | */ |
| 69 | void srcfile_add_search_path(const char *dirname); |
| 70 | |
| 71 | struct srcpos { |
| 72 | int first_line; |
| 73 | int first_column; |
| 74 | int last_line; |
| 75 | int last_column; |
| 76 | struct srcfile_state *file; |
| 77 | }; |
| 78 | |
| 79 | #define YYLTYPE struct srcpos |
| 80 | |
| 81 | #define YYLLOC_DEFAULT(Current, Rhs, N) \ |
| 82 | do { \ |
| 83 | if (N) { \ |
| 84 | (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \ |
| 85 | (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \ |
| 86 | (Current).last_line = YYRHSLOC(Rhs, N).last_line; \ |
| 87 | (Current).last_column = YYRHSLOC (Rhs, N).last_column; \ |
| 88 | (Current).file = YYRHSLOC(Rhs, N).file; \ |
| 89 | } else { \ |
| 90 | (Current).first_line = (Current).last_line = \ |
| 91 | YYRHSLOC(Rhs, 0).last_line; \ |
| 92 | (Current).first_column = (Current).last_column = \ |
| 93 | YYRHSLOC(Rhs, 0).last_column; \ |
| 94 | (Current).file = YYRHSLOC (Rhs, 0).file; \ |
| 95 | } \ |
| 96 | } while (0) |
| 97 | |
Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 98 | /* |
| 99 | * Fictional source position used for IR nodes that are |
| 100 | * created without otherwise knowing a true source position. |
| 101 | * For example,constant definitions from the command line. |
| 102 | */ |
| 103 | extern struct srcpos srcpos_empty; |
| 104 | |
| 105 | extern void srcpos_update(struct srcpos *pos, const char *text, int len); |
| 106 | extern struct srcpos *srcpos_copy(struct srcpos *pos); |
| 107 | extern char *srcpos_string(struct srcpos *pos); |
| 108 | |
Tom Rini | 56aeab5 | 2017-09-23 17:30:53 -0400 | [diff] [blame] | 109 | extern void PRINTF(3, 0) srcpos_verror(struct srcpos *pos, const char *prefix, |
| 110 | const char *fmt, va_list va); |
| 111 | extern void PRINTF(3, 4) srcpos_error(struct srcpos *pos, const char *prefix, |
| 112 | const char *fmt, ...); |
Tom Rini | bd39173 | 2017-09-23 12:52:44 -0400 | [diff] [blame] | 113 | |
| 114 | extern void srcpos_set_line(char *f, int l); |
| 115 | |
Rob Herring | cd5f70d | 2018-05-19 14:13:53 +0200 | [diff] [blame] | 116 | #endif /* SRCPOS_H */ |