Head

GCC Code Coverage Report

Directory:	.		Exec	Total	Coverage
File:	src/base/exception.cpp	Lines:	59	81	72.8 %
Date:	2021-08-01	Branches:	42	116	36.2 %


/******************************************************************************
 * Top contributors (to current version):
 *   Tim King, Morgan Deters, Gereon Kremer
 *
 * This file is part of the cvc5 project.
 *
 * Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
 * in the top-level source directory and their institutional affiliations.
 * All rights reserved.  See the file COPYING in the top-level source
 * directory for licensing information.
 * ****************************************************************************
 *
 * cvc5's exception base class and some associated utilities.
 */

#include "base/exception.h"

#include <cstdarg>
#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <sstream>
#include <string>

#include "base/check.h"

using namespace std;

namespace cvc5 {

std::string Exception::toString() const
{
  std::stringstream ss;
  toStream(ss);
  return ss.str();
}

thread_local LastExceptionBuffer* LastExceptionBuffer::s_currentBuffer = nullptr;

LastExceptionBuffer::LastExceptionBuffer() : d_contents(nullptr) {}

LastExceptionBuffer::~LastExceptionBuffer() {
  if(d_contents != nullptr){
    free(d_contents);
    d_contents = nullptr;
  }
}

void LastExceptionBuffer::setContents(const char* string) {
  if(d_contents != nullptr){
    free(d_contents);
    d_contents = nullptr;
  }

  if(string != nullptr){
    d_contents = strdup(string);
  }
}

const char* IllegalArgumentException::s_header = "Illegal argument detected";

std::string IllegalArgumentException::formatVariadic() {
  return std::string();
}

std::string IllegalArgumentException::formatVariadic(const char* format, ...) {
  va_list args;
  va_start(args, format);

  int n = 512;
  char* buf = nullptr;

  for (int i = 0; i < 2; ++i){
    Assert(n > 0);
    delete[] buf;
    buf = new char[n];

    va_list args_copy;
    va_copy(args_copy, args);
    int size = vsnprintf(buf, n, format, args);
    va_end(args_copy);

    if(size >= n){
      buf[n-1] = '\0';
      n = size + 1;
    } else {
      break;
    }
  }
  // buf is not nullptr is an invariant.
  // buf is also 0 terminated.
  Assert(buf != nullptr);
  std::string result(buf);
  delete [] buf;
  va_end(args);
  return result;
}

std::string IllegalArgumentException::format_extra(const char* condStr, const char* argDesc){
  return ( std::string("`") + argDesc + "' is a bad argument"
           + (*condStr == '\0' ? std::string() :
              ( std::string("; expected ") +
                condStr + " to hold" )) );
}

void IllegalArgumentException::construct(const char* header, const char* extra,
                                         const char* function, const char* tail) {
  // try building the exception msg with a smallish buffer first,
  // then with a larger one if sprintf tells us to.
  int n = 512;
  char* buf;

  for(;;) {
    buf = new char[n];

    int size;
    if(extra == nullptr) {
      size = snprintf(buf, n, "%s\n%s\n%s",
                      header, function, tail);
    } else {
      size = snprintf(buf, n, "%s\n%s\n\n  %s\n%s",
                      header, function, extra, tail);
    }

    if(size < n) {
      break;
    } else {
      // size >= n
      // try again with a buffer that's large enough
      n = size + 1;
      delete [] buf;
    }
  }

  setMessage(string(buf));

#ifdef CVC5_DEBUG
  LastExceptionBuffer* buffer = LastExceptionBuffer::getCurrent();
  if(buffer != nullptr){
    if(buffer->getContents() == nullptr) {
      buffer->setContents(buf);
    }
  }
#endif /* CVC5_DEBUG */
  delete [] buf;
}

void IllegalArgumentException::construct(const char* header, const char* extra,
                                         const char* function) {
  // try building the exception msg with a smallish buffer first,
  // then with a larger one if sprintf tells us to.
  int n = 256;
  char* buf;

  for(;;) {
    buf = new char[n];

    int size;
    if(extra == nullptr) {
      size = snprintf(buf, n, "%s.\n%s\n",
                      header, function);
    } else {
      size = snprintf(buf, n, "%s.\n%s\n\n  %s\n",
                      header, function, extra);
    }

    if(size < n) {
      break;
    } else {
      // try again with a buffer that's large enough
      n = size + 1;
      delete [] buf;
    }
  }

  setMessage(string(buf));

#ifdef CVC5_DEBUG
  LastExceptionBuffer* buffer = LastExceptionBuffer::getCurrent();
  if(buffer != nullptr){
    if(buffer->getContents() == nullptr) {
      buffer->setContents(buf);
    }
  }
#endif /* CVC5_DEBUG */
  delete [] buf;
}

}  // namespace cvc5


Generated by: GCOVR (Version 3.2)

Line	Exec	Source
1		/******************************************************************************
2		* Top contributors (to current version):
3		* Tim King, Morgan Deters, Gereon Kremer
4		*
5		* This file is part of the cvc5 project.
6		*
7		* Copyright (c) 2009-2021 by the authors listed in the file AUTHORS
8		* in the top-level source directory and their institutional affiliations.
9		* All rights reserved. See the file COPYING in the top-level source
10		* directory for licensing information.
11		* ****************************************************************************
12		*
13		* cvc5's exception base class and some associated utilities.
14		*/
15
16		#include "base/exception.h"
17
18		#include <cstdarg>
19		#include <cstdio>
20		#include <cstdlib>
21		#include <cstring>
22		#include <sstream>
23		#include <string>
24
25		#include "base/check.h"
26
27		using namespace std;
28
29		namespace cvc5 {
30
31	6	std::string Exception::toString() const
32		{
33	12	std::stringstream ss;
34	6	toStream(ss);
35	12	return ss.str();
36		}
37
38		thread_local LastExceptionBuffer* LastExceptionBuffer::s_currentBuffer = nullptr;
39
40	8721	LastExceptionBuffer::LastExceptionBuffer() : d_contents(nullptr) {}
41
42		LastExceptionBuffer::~LastExceptionBuffer() {
43		if(d_contents != nullptr){
44		free(d_contents);
45		d_contents = nullptr;
46		}
47		}
48
49	4	void LastExceptionBuffer::setContents(const char* string) {
50	4	if(d_contents != nullptr){
51		free(d_contents);
52		d_contents = nullptr;
53		}
54
55	4	if(string != nullptr){
56	4	d_contents = strdup(string);
57		}
58	4	}
59
60		const char* IllegalArgumentException::s_header = "Illegal argument detected";
61
62	2	std::string IllegalArgumentException::formatVariadic() {
63	2	return std::string();
64		}
65
66	120	std::string IllegalArgumentException::formatVariadic(const char* format, ...) {
67		va_list args;
68	120	va_start(args, format);
69
70	120	int n = 512;
71	120	char* buf = nullptr;
72
73	120	for (int i = 0; i < 2; ++i){
74	120	Assert(n > 0);
75	120	delete[] buf;
76	120	buf = new char[n];
77
78		va_list args_copy;
79	120	va_copy(args_copy, args);
80	120	int size = vsnprintf(buf, n, format, args);
81	120	va_end(args_copy);
82
83	120	if(size >= n){
84		buf[n-1] = '\0';
85		n = size + 1;
86		} else {
87	120	break;
88		}
89		}
90		// buf is not nullptr is an invariant.
91		// buf is also 0 terminated.
92	120	Assert(buf != nullptr);
93	120	std::string result(buf);
94	120	delete [] buf;
95	120	va_end(args);
96	120	return result;
97		}
98
99	148	std::string IllegalArgumentException::format_extra(const char* condStr, const char* argDesc){
100	296	return ( std::string("`") + argDesc + "' is a bad argument"
101	414	+ (*condStr == '\0' ? std::string() :
102	266	( std::string("; expected ") +
103	296	condStr + " to hold" )) );
104		}
105
106	122	void IllegalArgumentException::construct(const char* header, const char* extra,
107		const char* function, const char* tail) {
108		// try building the exception msg with a smallish buffer first,
109		// then with a larger one if sprintf tells us to.
110	122	int n = 512;
111		char* buf;
112
113		for(;;) {
114	122	buf = new char[n];
115
116		int size;
117	122	if(extra == nullptr) {
118		size = snprintf(buf, n, "%s\n%s\n%s",
119		header, function, tail);
120		} else {
121	122	size = snprintf(buf, n, "%s\n%s\n\n %s\n%s",
122		header, function, extra, tail);
123		}
124
125	122	if(size < n) {
126	122	break;
127		} else {
128		// size >= n
129		// try again with a buffer that's large enough
130		n = size + 1;
131		delete [] buf;
132		}
133		}
134
135	122	setMessage(string(buf));
136
137		#ifdef CVC5_DEBUG
138	122	LastExceptionBuffer* buffer = LastExceptionBuffer::getCurrent();
139	122	if(buffer != nullptr){
140		if(buffer->getContents() == nullptr) {
141		buffer->setContents(buf);
142		}
143		}
144		#endif /* CVC5_DEBUG */
145	122	delete [] buf;
146	122	}
147
148	26	void IllegalArgumentException::construct(const char* header, const char* extra,
149		const char* function) {
150		// try building the exception msg with a smallish buffer first,
151		// then with a larger one if sprintf tells us to.
152	26	int n = 256;
153		char* buf;
154
155		for(;;) {
156	26	buf = new char[n];
157
158		int size;
159	26	if(extra == nullptr) {
160		size = snprintf(buf, n, "%s.\n%s\n",
161		header, function);
162		} else {
163	26	size = snprintf(buf, n, "%s.\n%s\n\n %s\n",
164		header, function, extra);
165		}
166
167	26	if(size < n) {
168	26	break;
169		} else {
170		// try again with a buffer that's large enough
171		n = size + 1;
172		delete [] buf;
173		}
174		}
175
176	26	setMessage(string(buf));
177
178		#ifdef CVC5_DEBUG
179	26	LastExceptionBuffer* buffer = LastExceptionBuffer::getCurrent();
180	26	if(buffer != nullptr){
181		if(buffer->getContents() == nullptr) {
182		buffer->setContents(buf);
183		}
184		}
185		#endif /* CVC5_DEBUG */
186	26	delete [] buf;
187	26	}
188
189		} // namespace cvc5