Fix #12144 (Error messages from addons has the wrong file0) (#5621)

Author: danmar

lib/cppcheck.cpp

@@ -522,7 +522,7 @@ unsigned int CppCheck::check(const std::string &path)
             }
 
             // run addons
-            executeAddons(dumpFile);
+            executeAddons(dumpFile, path);
 
         } catch (const InternalError &e) {
             const ErrorMessage errmsg = ErrorMessage::fromInternalError(e, nullptr, path, "Bailing out from analysis: Processing Clang AST dump failed");
@@ -967,7 +967,7 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
             fdump.close();
         }
 
-        executeAddons(dumpFile);
+        executeAddons(dumpFile, Path::simplifyPath(filename));
 
     } catch (const TerminateException &) {
         // Analysis is terminated
@@ -1371,15 +1371,15 @@ void CppCheck::executeRules(const std::string &tokenlist, const Tokenizer &token
 }
 #endif
 
-void CppCheck::executeAddons(const std::string& dumpFile)
+void CppCheck::executeAddons(const std::string& dumpFile, const std::string& file0)
 {
     if (!dumpFile.empty()) {
         std::vector<std::string> f{dumpFile};
-        executeAddons(f);
+        executeAddons(f, file0);
     }
 }
 
-void CppCheck::executeAddons(const std::vector<std::string>& files)
+void CppCheck::executeAddons(const std::vector<std::string>& files, const std::string& file0)
 {
     if (mSettings.addons.empty() || files.empty())
         return;
@@ -1444,7 +1444,7 @@ void CppCheck::executeAddons(const std::vector<std::string>& files)
             }
             else if (!mSettings.severity.isEnabled(errmsg.severity))
                 continue;
-            errmsg.file0 = ((files.size() == 1) ? files[0] : "");
+            errmsg.file0 = file0;
 
             reportErr(errmsg);
         }
@@ -1463,7 +1463,7 @@ void CppCheck::executeAddonsWholeProgram(const std::map<std::string, std::size_t
     }
 
     try {
-        executeAddons(ctuInfoFiles);
+        executeAddons(ctuInfoFiles, "");
     } catch (const InternalError& e) {
         const ErrorMessage errmsg = ErrorMessage::fromInternalError(e, nullptr, "", "Bailing out from analysis: Whole program analysis failed");
         reportErr(errmsg);

lib/cppcheck.h

@@ -182,8 +182,8 @@ class CPPCHECKLIB CppCheck : ErrorLogger {
     /**
      * Execute addons
      */
-    void executeAddons(const std::vector<std::string>& files);
-    void executeAddons(const std::string &dumpFile);
+    void executeAddons(const std::vector<std::string>& files, const std::string& file0);
+    void executeAddons(const std::string &dumpFile, const std::string& file0);
 
     /**
      * Execute addons

test/cli/test-other.py

@@ -211,6 +211,18 @@ def test_execute_addon_failure_2(tmpdir):
     assert stderr == "{}:0:0: error: Bailing out from analysis: Checking file failed: Failed to execute addon 'naming' - exitcode is {} [internalError]\n\n^\n".format(test_file, ec)
 
 
+def test_execute_addon_file0(tmpdir):
+    test_file = os.path.join(tmpdir, 'test.c')
+    with open(test_file, 'wt') as f:
+        f.write('void foo() {}\n')
+
+    args = ['--xml', '--addon=misra', '--enable=style', test_file]
+
+    _, _, stderr = cppcheck(args)
+    assert 'misra-c2012-8.2' in stderr
+    assert '.dump' not in stderr
+
+
 # TODO: find a test case which always fails
 @pytest.mark.skip
 def test_internal_error(tmpdir):