Fix and test syntaxError suppression

.travis.yml

@@ -219,11 +219,9 @@ script:
 # building gui generates some more files that cppcheck can check, so check the repo *after* building gui
   - cd ../
 # self check
-  - touch /tmp/cppcheck.cppcheck
+  - ${CPPCHECK} --template=gcc -D__CPPCHECK__ -f --error-exitcode=1 --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal --exception-handling --inline-suppr --suppressions-list=.travis_suppressions -itest/cli -itest/synthetic -itest/testsuites -iaddons  -igui . -j 2
-  - ${CPPCHECK} --template=gcc -D__CPPCHECK__ -f --error-exitcode=1 --library=cppcheck-lib -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal --exception-handling --inline-suppr --suppressions-list=.travis_suppressions -itest/cli -itest/synthetic -itest/testsuites -iaddons  -igui . -j 2 |& tee /tmp/cppcheck.cppcheck
 # check gui with qt settings
-  - ${CPPCHECK} --template=gcc --library=qt  --error-exitcode=1  -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal  --exception-handling -j 2 gui --suppressions-list=.travis_suppressions -igui/test |& tee --append /tmp/cppcheck.cppcheck
+  - ${CPPCHECK} --template=gcc --library=qt  --error-exitcode=1  -Ilib -Iexternals/simplecpp/ -Iexternals/tinyxml/ -Icli --enable=style,performance,portability,warning,internal  --exception-handling -j 2 gui --suppressions-list=.travis_suppressions -igui/test
-  - sh -c "! grep '\]$' /tmp/cppcheck.cppcheck"
 # check naming conventions
   - ${CPPCHECK} -i gui/test -j 2 --dump -q gui lib
   - find lib gui -maxdepth 1 -name "*.dump" | xargs -n 1 -P 4 python addons/naming.py --private-member-variable='m[A-Z].*'

lib/cppcheck.cpp

@@ -215,7 +215,6 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
 
     CheckUnusedFunctions checkUnusedFunctions(nullptr, nullptr, nullptr);
 
-    bool internalErrorFound(false);
     try {
         Preprocessor preprocessor(mSettings, this);
         std::set<std::string> configurations;
@@ -538,11 +537,8 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
                                                  e.id,
                                                  false);
 
-                if (errmsg._severity == Severity::error || mSettings.isEnabled(errmsg._severity)) {
+                if (errmsg._severity == Severity::error || mSettings.isEnabled(errmsg._severity))
                     reportErr(errmsg);
-                    if (!mSuppressInternalErrorFound)
-                        internalErrorFound = true;
-                }
             }
         }
 
@@ -668,9 +664,6 @@ unsigned int CppCheck::checkFile(const std::string& filename, const std::string
     }
 
     mErrorList.clear();
-    if (internalErrorFound && (mExitCode==0)) {
-        mExitCode = 1;
-    }
 
     return mExitCode;
 }
@@ -1122,8 +1115,9 @@ void CppCheck::reportErr(const ErrorLogger::ErrorMessage &msg)
         }
     }
 
-    if (!mSettings.nofail.isSuppressed(errorMessage) && (mUseGlobalSuppressions || !mSettings.nomsg.isSuppressed(errorMessage)))
+    if (!mSettings.nofail.isSuppressed(errorMessage) && !mSettings.nomsg.isSuppressed(errorMessage)) {
         mExitCode = 1;
+    }
 
     mErrorList.push_back(errmsg);
 

test/cli/proj-suppress-syntaxError/1.c

@@ -0,0 +1,10 @@
+
+
+void validCode(int argInt)
+{
+    // if G_UNLIKELY is not defined this results in a syntax error
+    if G_UNLIKELY(argInt == 1) {
+    } else if (G_UNLIKELY(argInt == 2)) {
+    }
+}
+

test/cli/proj-suppress-syntaxError/2.c

@@ -0,0 +1 @@
+void f1();

test/cli/proj-suppress-syntaxError/3.c

@@ -0,0 +1,2 @@
+
+void f2();

test/cli/test-suppress-syntaxError.py

@@ -0,0 +1,17 @@
+
+# python -m pytest test-suppress-syntaxError.py
+
+import os
+import re
+from testutils import cppcheck
+
+def test_j2():
+    ret, stdout, stderr = cppcheck('--error-exitcode=1 -j2 -q proj-suppress-syntaxError')
+    assert ret == 1
+    assert len(stderr) > 0
+
+def test_j2_suppress():
+    ret, stdout, stderr = cppcheck('--error-exitcode=1 --suppress=*:proj-suppress-syntaxError/* -j2 -q proj-suppress-syntaxError')
+    assert ret == 0
+    assert len(stderr) == 0
+