inline suppressions: treat arithmetic operators as start-of-comment

Author: danmar

lib/suppressions.cpp

@@ -205,6 +205,8 @@ bool Suppressions::Suppression::parseComment(std::string comment, std::string *e
         iss >> word;
         if (!iss)
             break;
+        if (word.find_first_not_of("+-*/%#;") == std::string::npos)
+            break;
         if (word.compare(0,11,"symbolName=")==0)
             symbolName = word.substr(11);
         else if (errorMessage && errorMessage->empty())

test/testsuppressions.cpp

@@ -49,6 +49,7 @@ class TestSuppressions : public TestFixture {
 
         TEST_CASE(inlinesuppress);
         TEST_CASE(inlinesuppress_symbolname);
+        TEST_CASE(inlinesuppress_comment);
 
         TEST_CASE(globalSuppressions); // Testing that global suppressions work (#8515)
 
@@ -434,6 +435,17 @@ class TestSuppressions : public TestFixture {
         ASSERT_EQUALS("[test.cpp:4]: (error) Uninitialized variable: a\n", errout.str());
     }
 
+    void inlinesuppress_comment() {
+        Suppressions::Suppression s;
+        std::string errmsg;
+        ASSERT_EQUALS(true, s.parseComment("// cppcheck-suppress abc ; some comment", &errmsg));
+        ASSERT_EQUALS("", errmsg);
+        ASSERT_EQUALS(true, s.parseComment("// cppcheck-suppress abc // some comment", &errmsg));
+        ASSERT_EQUALS("", errmsg);
+        ASSERT_EQUALS(true, s.parseComment("// cppcheck-suppress abc -- some comment", &errmsg));
+        ASSERT_EQUALS("", errmsg);
+    }
+
     void globalSuppressions() { // Testing that Cppcheck::useGlobalSuppressions works (#8515)
         errout.str("");