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Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
117 lines
3.5 KiB
C
117 lines
3.5 KiB
C
/*
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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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};
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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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} while (0)
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/*
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* Fictional source position used for IR nodes that are
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* created without otherwise knowing a true source position.
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* For example,constant definitions from the command line.
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*/
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extern struct srcpos srcpos_empty;
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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 char *srcpos_string(struct srcpos *pos);
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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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