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GCC Code Coverage Report

Directory:	./		Exec	Total	Coverage
File:	libexec/tradcpp/place.c	Lines:	46	78	59.0 %
Date:	2017-11-13	Branches:	5	21	23.8 %


/*-
 * 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 <string.h>

#include "utils.h"
#include "array.h"
#include "place.h"

struct placefile {
	struct place includedfrom;
	char *dir;
	char *name;
	int depth;
	bool fromsystemdir;
};
DECLARRAY(placefile, static UNUSED);
DEFARRAY(placefile, static);

static struct placefilearray placefiles;
static bool overall_failure;

static const char *myprogname;

////////////////////////////////////////////////////////////
// seenfiles

static
struct placefile *
placefile_create(const struct place *from, const char *name,
		 bool fromsystemdir)
{
	struct placefile *pf;
	const char *s;
	size_t len;

	pf = domalloc(sizeof(*pf));
	pf->includedfrom = *from;

	s = strrchr(name, '/');
	len = (s == NULL) ? 0 : s - name;
	pf->dir = dostrndup(name, len);

	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 char *
place_getparsedir(const struct place *place)
{
	if (place->file == NULL) {
		return ".";
	}
	return place->file->dir;
}

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 > 120) {
		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;

	if (p->file == NULL) {
		return;
	}
	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_init(const char *pn)
{
	myprogname = pn;
}

void
complain(const struct place *p, const char *fmt, ...)
{
	va_list ap;

	if (p != NULL) {
		place_printfrom(p);
		fprintf(stderr, "%s:%u:%u: ", place_getname(p),
			p->line, p->column);
	} else {
		fprintf(stderr, "%s: ", myprogname);
	}
	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);
}


Generated by: GCOVR (Version 3.3)

Line	Branch	Exec	Source
1			/*-
2			* Copyright (c) 2010 The NetBSD Foundation, Inc.
3			* All rights reserved.
4			*
5			* This code is derived from software contributed to The NetBSD Foundation
6			* by David A. Holland.
7			*
8			* Redistribution and use in source and binary forms, with or without
9			* modification, are permitted provided that the following conditions
10			* are met:
11			* 1. Redistributions of source code must retain the above copyright
12			* notice, this list of conditions and the following disclaimer.
13			* 2. Redistributions in binary form must reproduce the above copyright
14			* notice, this list of conditions and the following disclaimer in the
15			* documentation and/or other materials provided with the distribution.
16			*
17			* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
18			* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
19			* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
20			* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
21			* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22			* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23			* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24			* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
25			* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26			* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
27			* POSSIBILITY OF SUCH DAMAGE.
28			*/
29
30			#include <assert.h>
31			#include <stdarg.h>
32			#include <stdio.h>
33			#include <stdlib.h>
34			#include <string.h>
35
36			#include "utils.h"
37			#include "array.h"
38			#include "place.h"
39
40			struct placefile {
41			struct place includedfrom;
42			char *dir;
43			char *name;
44			int depth;
45			bool fromsystemdir;
46			};
47			DECLARRAY(placefile, static UNUSED);
48		17544	DEFARRAY(placefile, static);
49
50			static struct placefilearray placefiles;
51			static bool overall_failure;
52
53			static const char *myprogname;
54
55			////////////////////////////////////////////////////////////
56			// seenfiles
57
58			static
59			struct placefile *
60			placefile_create(const struct place from, const char name,
61			bool fromsystemdir)
62			{
63			struct placefile *pf;
64			const char *s;
65			size_t len;
66
67		1462	pf = domalloc(sizeof(*pf));
68		1462	pf->includedfrom = *from;
69
70		1462	s = strrchr(name, '/');
71	✗✓	2924	len = (s == NULL) ? 0 : s - name;
72		1462	pf->dir = dostrndup(name, len);
73
74		1462	pf->name = dostrdup(name);
75		1462	pf->fromsystemdir = fromsystemdir;
76
77	✗✓	1462	if (from->file != NULL) {
78			pf->depth = from->file->depth + 1;
79			} else {
80			pf->depth = 1;
81			}
82		1462	return pf;
83			}
84
85			static
86			void
87			placefile_destroy(struct placefile *pf)
88			{
89		2924	dostrfree(pf->name);
90		1462	dofree(pf, sizeof(*pf));
91		1462	}
92
93	✓✓	8772	DESTROYALL_ARRAY(placefile, );
94
95			const char *
96			place_getparsedir(const struct place *place)
97			{
98			if (place->file == NULL) {
99			return ".";
100			}
101			return place->file->dir;
102			}
103
104			const struct placefile *
105			place_addfile(const struct place place, const char file, bool issystem)
106			{
107			struct placefile *pf;
108
109		1462	pf = placefile_create(place, file, issystem);
110		1462	placefilearray_add(&placefiles, pf, NULL);
111	✗✓	1462	if (pf->depth > 120) {
112			complain(place, "Maximum include nesting depth exceeded");
113			die();
114			}
115		1462	return pf;
116			}
117
118			////////////////////////////////////////////////////////////
119			// places
120
121			void
122			place_setnowhere(struct place *p)
123			{
124		2924	p->type = P_NOWHERE;
125		1462	p->file = NULL;
126		1462	p->line = 0;
127		1462	p->column = 0;
128		1462	}
129
130			void
131			place_setbuiltin(struct place *p, unsigned num)
132			{
133		29240	p->type = P_BUILTIN;
134		14620	p->file = NULL;
135		14620	p->line = num;
136		14620	p->column = 1;
137		14620	}
138
139			void
140			place_setcommandline(struct place *p, unsigned line, unsigned column)
141			{
142		17544	p->type = P_COMMANDLINE;
143		8772	p->file = NULL;
144		8772	p->line = line;
145		8772	p->column = column;
146		8772	}
147
148			void
149			place_setfilestart(struct place p, const struct placefile pf)
150			{
151		2924	p->type = P_FILE;
152		1462	p->file = pf;
153		1462	p->line = 1;
154		1462	p->column = 1;
155		1462	}
156
157			static
158			const char *
159			place_getname(const struct place *p)
160			{
161			switch (p->type) {
162			case P_NOWHERE: return "<nowhere>";
163			case P_BUILTIN: return "<built-in>";
164			case P_COMMANDLINE: return "<command-line>";
165			case P_FILE: return p->file->name;
166			}
167			assert(0);
168			return NULL;
169			}
170
171			static
172			void
173			place_printfrom(const struct place *p)
174			{
175			const struct place *from;
176
177			if (p->file == NULL) {
178			return;
179			}
180			from = &p->file->includedfrom;
181			if (from->type != P_NOWHERE) {
182			place_printfrom(from);
183			fprintf(stderr, "In file included from %s:%u:%u:\n",
184			place_getname(from), from->line, from->column);
185			}
186			}
187
188			////////////////////////////////////////////////////////////
189			// complaints
190
191			void
192			complain_init(const char *pn)
193			{
194		2924	myprogname = pn;
195		1462	}
196
197			void
198			complain(const struct place p, const char fmt, ...)
199			{
200			va_list ap;
201
202			if (p != NULL) {
203			place_printfrom(p);
204			fprintf(stderr, "%s:%u:%u: ", place_getname(p),
205			p->line, p->column);
206			} else {
207			fprintf(stderr, "%s: ", myprogname);
208			}
209			va_start(ap, fmt);
210			vfprintf(stderr, fmt, ap);
211			va_end(ap);
212			fprintf(stderr, "\n");
213			}
214
215			void
216			complain_fail(void)
217			{
218			overall_failure = true;
219			}
220
221			bool
222			complain_failed(void)
223			{
224		2924	return overall_failure;
225			}
226
227			////////////////////////////////////////////////////////////
228			// module init and cleanup
229
230			void
231			place_init(void)
232			{
233		2924	placefilearray_init(&placefiles);
234		1462	}
235
236			void
237			place_cleanup(void)
238			{
239		2924	placefilearray_destroyall(&placefiles);
240		1462	placefilearray_cleanup(&placefiles);
241		1462	}