Mercurial > ~dholland > hg > tradcpp > index.cgi
view place.c @ 64:f50b4ea6cbfe
Prune single-line comments from (most) directive lines.
Also, don't pass the string length to the directive processing
functions, as half of them weren't honoring it. Instead, ensure that
the directive line is terminated at the place the directive processing
functions should stop looking at it.
author | David A. Holland |
---|---|
date | Sun, 31 Mar 2013 02:04:56 -0400 |
parents | 2e25e55dba6b |
children | 1c0575f7dd46 |
line wrap: on
line source
/*- * Copyright (c) 2010 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by David A. Holland. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include <assert.h> #include <stdarg.h> #include <stdio.h> #include <stdlib.h> #include "utils.h" #include "array.h" #include "place.h" struct placefile { struct place includedfrom; char *name; int depth; bool fromsystemdir; }; DECLARRAY(placefile, static __unused); DEFARRAY(placefile, static); static struct placefilearray placefiles; static bool overall_failure; //////////////////////////////////////////////////////////// // seenfiles static struct placefile * placefile_create(const struct place *from, const char *name, bool fromsystemdir) { struct placefile *pf; pf = domalloc(sizeof(*pf)); pf->includedfrom = *from; pf->name = dostrdup(name); pf->fromsystemdir = fromsystemdir; if (from->file != NULL) { pf->depth = from->file->depth + 1; } else { pf->depth = 1; } return pf; } static void placefile_destroy(struct placefile *pf) { dostrfree(pf->name); dofree(pf, sizeof(*pf)); } DESTROYALL_ARRAY(placefile, ); const struct placefile * place_addfile(const struct place *place, const char *file, bool issystem) { struct placefile *pf; pf = placefile_create(place, file, issystem); placefilearray_add(&placefiles, pf, NULL); if (pf->depth > 128) { complain(place, "Maximum include nesting depth exceeded"); die(); } return pf; } //////////////////////////////////////////////////////////// // places void place_setnowhere(struct place *p) { p->type = P_NOWHERE; p->file = NULL; p->line = 0; p->column = 0; } void place_setbuiltin(struct place *p, unsigned num) { p->type = P_BUILTIN; p->file = NULL; p->line = num; p->column = 1; } void place_setcommandline(struct place *p, unsigned line, unsigned column) { p->type = P_COMMANDLINE; p->file = NULL; p->line = line; p->column = column; } void place_setfilestart(struct place *p, const struct placefile *pf) { p->type = P_FILE; p->file = pf; p->line = 1; p->column = 1; } static const char * place_getname(const struct place *p) { switch (p->type) { case P_NOWHERE: return "<nowhere>"; case P_BUILTIN: return "<built-in>"; case P_COMMANDLINE: return "<command-line>"; case P_FILE: return p->file->name; } assert(0); return NULL; } static void place_printfrom(const struct place *p) { const struct place *from; from = &p->file->includedfrom; if (from->type != P_NOWHERE) { place_printfrom(from); fprintf(stderr, "In file included from %s:%u:%u:\n", place_getname(from), from->line, from->column); } } //////////////////////////////////////////////////////////// // complaints void complain(const struct place *p, const char *fmt, ...) { va_list ap; place_printfrom(p); fprintf(stderr, "%s:%u:%u: ", place_getname(p), p->line, p->column); va_start(ap, fmt); vfprintf(stderr, fmt, ap); va_end(ap); fprintf(stderr, "\n"); } void complain_fail(void) { overall_failure = true; } bool complain_failed(void) { return overall_failure; } //////////////////////////////////////////////////////////// // module init and cleanup void place_init(void) { placefilearray_init(&placefiles); } void place_cleanup(void) { placefilearray_destroyall(&placefiles); placefilearray_cleanup(&placefiles); }