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Add option to set #ifdef configuration check limit

This commit is contained in:
Joshua Beck 2011-10-05 00:37:43 -05:00
parent f4cdf57955
commit 56561835f8
6 changed files with 84 additions and 5 deletions
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29
cli/cmdlineparser.cpp
View File

@ -561,6 +561,25 @@ bool CmdLineParser::ParseFromArgs(int argc, const char* const argv[])
}
}
// Set maximum number of #ifdef configurations to check
else if (strncmp(argv[i], "--max-configs=", 14) == 0)
{
_settings->_force = false;
std::istringstream iss(14+argv[i]);
if (!(iss >> _settings->_maxConfigs))
{
PrintMessage("cppcheck: argument to '--max-configs=' is not a number");
return false;
}
if (_settings->_maxConfigs < 1)
{
PrintMessage("cppcheck: argument to '--max-configs=' must be greater than 0");
return false;
}
}
// Print help
else if (strcmp(argv[i], "-h") == 0 || strcmp(argv[i], "--help") == 0) {
_pathnames.clear();
@ -660,8 +679,9 @@ void CmdLineParser::PrintHelp()
" --file-list=<file> Specify the files to check in a text file. Add one\n"
" filename per line. When file is -, the file list will\n"
" be read from standard input.\n"
" -f, --force Force checking of all configurations in files that have\n"
" \"too many\" configurations.\n"
" -f, --force Force checking of all configurations in files. If used\n"
" together with --max-ifdefs=, the last option is the one\n"
" that is effective.\n"
" -h, --help Print this help.\n"
" -I <dir> Give include path. Give several -I parameters to give\n"
" several paths. First given path is checked first. If\n"
@ -674,6 +694,11 @@ void CmdLineParser::PrintHelp()
" more comments, like: // cppcheck-suppress warningId\n"
" on the lines before the warning to suppress.\n"
" -j <jobs> Start [jobs] threads to do the checking simultaneously.\n"
" --max-configs=<limit>\n"
" Maximum number of configurations to check in a file\n"
" before skipping it. Default is 12. If used together\n"
" with --force, the last option is the one that is\n"
" effective.\n"
" --platform=<type> Specifies platform specific types and sizes. The\n"
" available platforms are:\n"
" * unix32\n"

4
lib/cppcheck.cpp
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@ -195,9 +195,9 @@ unsigned int CppCheck::processFile()
int checkCount = 0;
for (std::list<std::string>::const_iterator it = configurations.begin(); it != configurations.end(); ++it) {
// Check only 12 first configurations, after that bail out, unless --force
// Check only a few configurations (default 12), after that bail out, unless --force
// was used.
if (!_settings._force && checkCount > 11) {
if (!_settings._force && checkCount >= _settings._maxConfigs) {
const std::string fixedpath = Path::toNativeSeparators(_filename);
ErrorLogger::ErrorMessage::FileLocation location;

1
lib/settings.cpp
View File

@ -38,6 +38,7 @@ Settings::Settings()
_showtime = 0; // TODO: use enum
_append = "";
_terminate = false;
_maxConfigs = 12;
inconclusive = false;
experimental = false;
test_2_pass = false;

4
lib/settings.h
View File

@ -120,6 +120,10 @@ public:
/** @brief get append code (--append) */
std::string append() const;
/** @brief Maximum number of configurations to check before bailing.
Default is 12. (--max-configs=N) */
int _maxConfigs;
/**
* @brief Returns true if given id is in the list of
* enabled extra checks (--enable)

10
man/cppcheck.1.xml
View File

@ -116,6 +116,7 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
<arg choice="opt"><option>-i&lt;dir&gt;</option></arg>
<arg choice="opt"><option>--inline-suppr</option></arg>
<arg choice="opt"><option>-j&lt;jobs&gt;</option></arg>
<arg choice="opt"><option>--max-configs=&lt;limit&gt;</option></arg>
<arg choice="opt"><option>--platform=&lt;type&gt;</option></arg>
<arg choice="opt"><option>--quiet</option></arg>
<arg choice="opt"><option>--report-progress</option></arg>
@ -253,7 +254,7 @@ Example: -DDEBUG=1 -D__cplusplus</para>
<term><option>--force</option></term>
<listitem>
<para>Force checking of files that have a lot of configurations. Error is printed if such a file is found so there is no reason to use this by
default.</para>
default. If used together with --max-ifdefs=, the last option is the one that is effective.</para>
</listitem>
</varlistentry>
<varlistentry>
@ -292,6 +293,13 @@ Directory name is matched to all parts of the path.</para>
<para>Start &lt;jobs&gt; threads to do the checking work.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--max-configs=&lt;limit&gt;</option></term>
<listitem>
<para>Maximum number of configurations to check in a file before skipping it. Default is 12. If used together with --force, the last option is
the one that is effective.</para>
</listitem>
</varlistentry>
<varlistentry>
<term><option>--platform=&lt;type&gt;</option></term>
<listitem>

41
test/testcmdlineparser.cpp
View File

@ -74,6 +74,10 @@ private:
TEST_CASE(jobs);
TEST_CASE(jobsMissingCount);
TEST_CASE(jobsInvalid);
TEST_CASE(maxConfigs);
TEST_CASE(maxConfigsMissingCount);
TEST_CASE(maxConfigsInvalid);
TEST_CASE(maxConfigsTooSmall);
TEST_CASE(reportProgressTest); // "Test" suffix to avoid hiding the parent's reportProgress
TEST_CASE(stdposix);
TEST_CASE(stdc99);
@ -537,6 +541,43 @@ private:
ASSERT_EQUALS(false, parser.ParseFromArgs(4, argv));
}
void maxConfigs() {
REDIRECT;
const char *argv[] = {"cppcheck", "-f", "--max-configs=12", "file.cpp"};
Settings settings;
CmdLineParser parser(&settings);
ASSERT(parser.ParseFromArgs(4, argv));
ASSERT_EQUALS(12, settings._maxConfigs);
ASSERT_EQUALS(false, settings._force);
}
void maxConfigsMissingCount() {
REDIRECT;
const char *argv[] = {"cppcheck", "--max-configs=", "file.cpp"};
Settings settings;
CmdLineParser parser(&settings);
// Fails since --max-configs= is missing limit
ASSERT_EQUALS(false, parser.ParseFromArgs(3, argv));
}
void maxConfigsInvalid() {
REDIRECT;
const char *argv[] = {"cppcheck", "--max-configs=e", "file.cpp"};
Settings settings;
CmdLineParser parser(&settings);
// Fails since invalid count given for --max-configs=
ASSERT_EQUALS(false, parser.ParseFromArgs(3, argv));
}
void maxConfigsTooSmall() {
REDIRECT;
const char *argv[] = {"cppcheck", "--max-configs=0", "file.cpp"};
Settings settings;
CmdLineParser parser(&settings);
// Fails since limit must be greater than 0
ASSERT_EQUALS(false, parser.ParseFromArgs(3, argv));
}
void reportProgressTest() {
REDIRECT;
const char *argv[] = {"cppcheck", "--report-progress", "file.cpp"};