fixed #14625 - added CLI option --exitcode-suppress [skip ci]

Author: firewave

cli/cmdlineparser.cpp

@@ -756,6 +756,15 @@ CmdLineParser::Result CmdLineParser::parseFromArgs(int argc, const char* const a
             }
         }
 
+        else if (std::strncmp(argv[i], "--exitcode-suppress=", 20) == 0) {
+            const std::string suppression = argv[i]+20;
+            const std::string errmsg(mSuppressions.nofail.addSuppressionLine(suppression));
+            if (!errmsg.empty()) {
+                mLogger.printError(errmsg);
+                return Result::Fail;
+            }
+        }
+
         // Filter errors
         else if (std::strncmp(argv[i], "--exitcode-suppressions=", 24) == 0) {
             // exitcode-suppressions=filename.txt
@@ -1795,6 +1804,12 @@ void CmdLineParser::printHelp() const
         "                         provided. Note that your operating system can modify\n"
         "                         this value, e.g. '256' can become '0'.\n"
         "    --errorlist          Print a list of all the error messages in XML format.\n"
+        "    --exitcode-suppress=<spec>\n"
+        "                         Suppress warnings that match <spec>. The format of\n"
+        "                         <spec> is:\n"
+        "                         [error id]:[filename]:[line]\n"
+        "                         The [filename] and [line] are optional. If [error id]\n"
+        "                         is a wildcard '*', all error ids match.\n"
         "    --exitcode-suppressions=<file>\n"
         "                         Used when certain messages should be displayed but\n"
         "                         should not cause a non-zero exitcode.\n"

man/cppcheck.1.xml

@@ -117,6 +117,9 @@ man(1), man(7), http://www.tldp.org/HOWTO/Man-Page/
       <arg choice="opt">
         <option>--errorlist</option>
       </arg>
+      <arg choice="opt">
+        <option>--exitcode-suppress=&lt;spec&gt;</option>
+      </arg>
       <arg choice="opt">
         <option>--exitcode-suppressions=&lt;file&gt;</option>
       </arg>
@@ -343,6 +346,17 @@ Example: '-UDEBUG'</para>
           <para>Print a list of all possible error messages in XML format.</para>
         </listitem>
       </varlistentry>
+      <varlistentry>
+        <term>
+          <option>--exitcode-suppress=&lt;spec&gt;</option>
+        </term>
+        <listitem>
+          <para>Suppress a specific warning. The format of &lt;spec&gt; is: [error id]:[filename]:[line].
+            The [filename] and [line] are optional.
+            [error id] may be * to suppress all warnings (for a specified file or files).
+            [filename] may contain the wildcard characters * or ?.</para>
+        </listitem>
+      </varlistentry>
       <varlistentry>
         <term>
           <option>--exitcode-suppressions=&lt;file&gt;</option>

releasenotes.txt

@@ -20,4 +20,5 @@ Infrastructure & dependencies:
 -
 
 Other:
+- Added CLI option `--exitcode-suppress` to suppress
 -

test/testcmdlineparser.cpp

@@ -304,6 +304,10 @@ class TestCmdlineParser : public TestFixture {
         TEST_CASE(suppressSingleFile);
         TEST_CASE(suppressTwo);
         TEST_CASE(suppressTwoSeparate);
+        TEST_CASE(exitcodeSuppressSingle);
+        TEST_CASE(exitcodeSuppressSingleFile);
+        TEST_CASE(exitcodeSuppressTwo);
+        TEST_CASE(exitcodeSuppressTwoSeparate);
         TEST_CASE(templates);
         TEST_CASE(templatesGcc);
         TEST_CASE(templatesVs);
@@ -1985,6 +1989,35 @@ class TestCmdlineParser : public TestFixture {
         ASSERT_EQUALS(true, supprs->nomsg.isSuppressed(errorMessage("noConstructor", "file.cpp", 1U)));
     }
 
+    void exitcodeSuppressSingle() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--exitcode-suppress=uninitvar", "file.cpp"};
+        ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
+        ASSERT_EQUALS(true, supprs->nofail.isSuppressed(errorMessage("uninitvar", "file.cpp", 1)));
+    }
+
+    void exitcodeSuppressSingleFile() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--exitcode-suppress=uninitvar:file.cpp", "file.cpp"};
+        ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
+        ASSERT_EQUALS(true, supprs->nofail.isSuppressed(errorMessage("uninitvar", "file.cpp", 1U)));
+    }
+
+    void exitcodeSuppressTwo() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--exitcode-suppress=uninitvar,noConstructor", "file.cpp"};
+        ASSERT_EQUALS_ENUM(CmdLineParser::Result::Fail, parseFromArgs(argv));
+        ASSERT_EQUALS("cppcheck: error: Failed to add suppression. Invalid id \"uninitvar,noConstructor\"\n", logger->str());
+    }
+
+    void exitcodeSuppressTwoSeparate() {
+        REDIRECT;
+        const char * const argv[] = {"cppcheck", "--exitcode-suppress=uninitvar", "--exitcode-suppress=noConstructor", "file.cpp"};
+        ASSERT_EQUALS_ENUM(CmdLineParser::Result::Success, parseFromArgs(argv));
+        ASSERT_EQUALS(true, supprs->nofail.isSuppressed(errorMessage("uninitvar", "file.cpp", 1U)));
+        ASSERT_EQUALS(true, supprs->nofail.isSuppressed(errorMessage("noConstructor", "file.cpp", 1U)));
+    }
+
     void templates() {
         REDIRECT;
         const char * const argv[] = {"cppcheck", "--template={file}:{line},{severity},{id},{message}", "--template-location={file}:{line}:{column} {info}", "file.cpp"};