small utils.h cleanup (#3821)

Makefile

@@ -522,7 +522,7 @@ $(libcppdir)/forwardanalyzer.o: lib/forwardanalyzer.cpp lib/analyzer.h lib/astut
 $(libcppdir)/importproject.o: lib/importproject.cpp externals/picojson/picojson.h externals/tinyxml2/tinyxml2.h lib/config.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/importproject.o $(libcppdir)/importproject.cpp
 
-$(libcppdir)/infer.o: lib/infer.cpp lib/calculate.h lib/config.h lib/errortypes.h lib/infer.h lib/mathlib.h lib/utils.h lib/valueflow.h lib/valueptr.h
+$(libcppdir)/infer.o: lib/infer.cpp lib/calculate.h lib/config.h lib/errortypes.h lib/infer.h lib/mathlib.h lib/valueflow.h lib/valueptr.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/infer.o $(libcppdir)/infer.cpp
 
 $(libcppdir)/library.o: lib/library.cpp externals/tinyxml2/tinyxml2.h lib/astutils.h lib/config.h lib/errortypes.h lib/library.h lib/mathlib.h lib/path.h lib/standards.h lib/symboldatabase.h lib/templatesimplifier.h lib/token.h lib/tokenlist.h lib/utils.h lib/valueflow.h
@@ -540,7 +540,7 @@ $(libcppdir)/pathanalysis.o: lib/pathanalysis.cpp lib/astutils.h lib/config.h li
 $(libcppdir)/pathmatch.o: lib/pathmatch.cpp lib/config.h lib/path.h lib/pathmatch.h lib/utils.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/pathmatch.o $(libcppdir)/pathmatch.cpp
 
-$(libcppdir)/platform.o: lib/platform.cpp externals/tinyxml2/tinyxml2.h lib/config.h lib/path.h lib/platform.h lib/utils.h
+$(libcppdir)/platform.o: lib/platform.cpp externals/tinyxml2/tinyxml2.h lib/config.h lib/path.h lib/platform.h
 	$(CXX) ${INCLUDE_FOR_LIB} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o $(libcppdir)/platform.o $(libcppdir)/platform.cpp
 
 $(libcppdir)/preprocessor.o: lib/preprocessor.cpp externals/simplecpp/simplecpp.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/path.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h
@@ -633,7 +633,7 @@ test/testcharvar.o: test/testcharvar.cpp lib/check.h lib/checkother.h lib/color.
 test/testclangimport.o: test/testclangimport.cpp lib/clangimport.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testclangimport.o test/testclangimport.cpp
 
-test/testclass.o: test/testclass.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
+test/testclass.o: test/testclass.cpp externals/tinyxml2/tinyxml2.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testclass.o test/testclass.cpp
 
 test/testcmdlineparser.o: test/testcmdlineparser.cpp cli/cmdlineparser.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h test/redirect.h test/testsuite.h
@@ -642,7 +642,7 @@ test/testcmdlineparser.o: test/testcmdlineparser.cpp cli/cmdlineparser.h lib/col
 test/testcondition.o: test/testcondition.cpp externals/simplecpp/simplecpp.h externals/tinyxml2/tinyxml2.h lib/check.h lib/checkcondition.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testcondition.o test/testcondition.cpp
 
-test/testconstructors.o: test/testconstructors.cpp lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
+test/testconstructors.o: test/testconstructors.cpp lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testconstructors.o test/testconstructors.cpp
 
 test/testcppcheck.o: test/testcppcheck.cpp lib/analyzerinfo.h lib/check.h lib/color.h lib/config.h lib/cppcheck.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/timer.h lib/utils.h test/testsuite.h
@@ -705,7 +705,7 @@ test/testpath.o: test/testpath.cpp lib/color.h lib/config.h lib/errorlogger.h li
 test/testpathmatch.o: test/testpathmatch.cpp lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/pathmatch.h lib/suppressions.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testpathmatch.o test/testpathmatch.cpp
 
-test/testplatform.o: test/testplatform.cpp externals/tinyxml2/tinyxml2.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/platform.h lib/suppressions.h lib/utils.h test/testsuite.h
+test/testplatform.o: test/testplatform.cpp externals/tinyxml2/tinyxml2.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/platform.h lib/suppressions.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testplatform.o test/testplatform.cpp
 
 test/testpostfixoperator.o: test/testpostfixoperator.cpp lib/check.h lib/checkpostfixoperator.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
@@ -777,7 +777,7 @@ test/testuninitvar.o: test/testuninitvar.cpp lib/check.h lib/checkuninitvar.h li
 test/testunusedfunctions.o: test/testunusedfunctions.cpp lib/check.h lib/checkunusedfunctions.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testunusedfunctions.o test/testunusedfunctions.cpp
 
-test/testunusedprivfunc.o: test/testunusedprivfunc.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/symboldatabase.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
+test/testunusedprivfunc.o: test/testunusedprivfunc.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkclass.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h
 	$(CXX) ${INCLUDE_FOR_TEST} $(CPPFLAGS) $(CPPFILESDIR) $(CXXFLAGS) $(UNDEF_STRICT_ANSI) -c -o test/testunusedprivfunc.o test/testunusedprivfunc.cpp
 
 test/testunusedvar.o: test/testunusedvar.cpp externals/simplecpp/simplecpp.h lib/check.h lib/checkunusedvar.h lib/color.h lib/config.h lib/errorlogger.h lib/errortypes.h lib/importproject.h lib/library.h lib/mathlib.h lib/platform.h lib/preprocessor.h lib/settings.h lib/standards.h lib/suppressions.h lib/templatesimplifier.h lib/timer.h lib/token.h lib/tokenize.h lib/tokenlist.h lib/utils.h lib/valueflow.h test/testsuite.h

cli/cppcheckexecutor.cpp

@@ -339,10 +339,10 @@ static void print_stacktrace(FILE* output, bool demangling, int maxdepth, bool l
     }
 #undef ADDRESSDISPLAYLENGTH
 #else
-    UNUSED(output);
+    (void)output;
-    UNUSED(demangling);
+    (void)demangling;
-    UNUSED(maxdepth);
+    (void)maxdepth;
-    UNUSED(lowMem);
+    (void)lowMem;
 #endif
 }
 
@@ -410,7 +410,7 @@ static void CppcheckSignalHandler(int signo, siginfo_t * info, void * context)
         type = (int)uc->uc_mcontext.gregs[REG_ERR] & 2;
     }
 #else
-    UNUSED(context);
+    (void)context;
     killid = getpid();
 #endif
 

cli/filelister.cpp

@@ -217,7 +217,8 @@ static std::string addFiles2(std::map<std::string, std::size_t> &files,
                 dirent entry;
                 char buf[sizeof(*dir_result) + (sizeof(dir_result->d_name) > 1 ? 0 : NAME_MAX + 1)];
             } dir_result_buffer;
-            UNUSED(dir_result_buffer.buf); // do not trigger cppcheck itself on the "unused buf"
+            // TODO: suppress instead?
+            (void)dir_result_buffer.buf; // do not trigger cppcheck itself on the "unused buf"
             std::string new_path;
             new_path.reserve(path.length() + 100);// prealloc some memory to avoid constant new/deletes in loop
 

lib/astutils.cpp

@@ -28,6 +28,7 @@
 #include "settings.h"
 #include "symboldatabase.h"
 #include "token.h"
+#include "utils.h"
 #include "valueflow.h"
 #include "valueptr.h"
 

lib/astutils.h

@@ -27,8 +27,8 @@
 #include <string>
 #include <vector>
 
+#include "config.h"
 #include "errortypes.h"
-#include "utils.h"
 
 class Function;
 class Library;

lib/checkautovariables.cpp

@@ -28,7 +28,6 @@
 #include "symboldatabase.h"
 #include "token.h"
 #include "tokenize.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <algorithm>

lib/checkbufferoverrun.h

@@ -28,7 +28,6 @@
 #include "errortypes.h"
 #include "mathlib.h"
 #include "symboldatabase.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <list>

lib/checkclass.h

@@ -23,9 +23,7 @@
 
 #include "check.h"
 #include "config.h"
-#include "symboldatabase.h"
 #include "tokenize.h"
-#include "utils.h"
 
 #include <cstddef>
 #include <list>
@@ -37,6 +35,11 @@
 class ErrorLogger;
 class Settings;
 class Token;
+class Function;
+class Scope;
+class SymbolDatabase;
+class Type;
+class Variable;
 
 namespace CTU {
     class FileInfo;

lib/checkcondition.h

@@ -26,7 +26,6 @@
 #include "config.h"
 #include "mathlib.h"
 #include "errortypes.h"
-#include "utils.h"
 
 #include <set>
 #include <string>

lib/checkfunctions.h

@@ -27,7 +27,6 @@
 #include "errortypes.h"
 #include "library.h"
 #include "settings.h"
-#include "utils.h"
 
 #include <map>
 #include <string>

lib/checkio.cpp

@@ -25,7 +25,6 @@
 #include "symboldatabase.h"
 #include "token.h"
 #include "tokenize.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <algorithm>

lib/checkio.h

@@ -24,7 +24,6 @@
 #include "check.h"
 #include "config.h"
 #include "errortypes.h"
-#include "utils.h"
 
 #include <ostream>
 #include <string>

lib/checkleakautovar.h

@@ -25,7 +25,6 @@
 #include "check.h"
 #include "config.h"
 #include "library.h"
-#include "utils.h"
 
 #include <map>
 #include <set>

lib/checkmemoryleak.cpp

@@ -26,7 +26,6 @@
 #include "symboldatabase.h"
 #include "token.h"
 #include "tokenize.h"
-#include "utils.h"
 
 #include <algorithm>
 #include <unordered_set>

lib/checkmemoryleak.h

@@ -36,7 +36,6 @@
 #include "config.h"
 #include "errortypes.h"
 #include "tokenize.h"
-#include "utils.h"
 
 #include <list>
 #include <string>

lib/checkother.cpp

@@ -28,7 +28,6 @@
 #include "symboldatabase.h"
 #include "token.h"
 #include "tokenize.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include "checkuninitvar.h" // CheckUninitVar::isVariableUsage
@@ -41,6 +40,7 @@
 #include <memory>
 #include <ostream>
 #include <set>
+#include <type_traits>
 #include <utility>
 #include <numeric>
 

lib/checkother.h

@@ -25,7 +25,6 @@
 #include "check.h"
 #include "config.h"
 #include "errortypes.h"
-#include "utils.h"
 
 #include <string>
 #include <vector>

lib/checkstl.h

@@ -26,7 +26,6 @@
 #include "config.h"
 #include "errortypes.h"
 #include "tokenize.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <string>

lib/checkuninitvar.h

@@ -27,7 +27,6 @@
 #include "ctu.h"
 #include "mathlib.h"
 #include "errortypes.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <list>

lib/config.h

@@ -69,4 +69,30 @@
 #include <string>
 static const std::string emptyString;
 
+// Use the nonneg macro when you want to assert that a variable/argument is not negative
+#ifdef __CPPCHECK__
+#define nonneg   __cppcheck_low__(0)
+#elif defined(NONNEG)
+// Enable non-negative values checking
+// TODO : investigate using annotations/contracts for stronger value checking
+#define nonneg   unsigned
+#else
+// Disable non-negative values checking
+#define nonneg
+#endif
+
+#if defined(__has_feature)
+#if __has_feature(address_sanitizer)
+#define ASAN 1
+#endif
+#endif
+
+#ifndef ASAN
+#ifdef  __SANITIZE_ADDRESS__
+#define ASAN 1
+#else
+#define ASAN 0
+#endif
+#endif
+
 #endif // configH

lib/ctu.cpp

@@ -27,6 +27,7 @@
 #include "token.h"
 #include "tokenize.h"
 #include "tokenlist.h"
+#include "utils.h"
 
 #include <cstdint>
 #include <cstring>

lib/ctu.h

@@ -26,7 +26,6 @@
 #include "check.h"
 #include "errorlogger.h"
 #include "mathlib.h"
-#include "utils.h"
 #include "valueflow.h"
 
 #include <algorithm>

lib/errorlogger.cpp

@@ -24,7 +24,6 @@
 #include "path.h"
 #include "token.h"
 #include "tokenlist.h"
-#include "utils.h"
 
 #include <algorithm>
 #include <array>

lib/exprengine.cpp

@@ -142,7 +142,6 @@
 #include "token.h"
 #include "tokenize.h"
 #include "tokenlist.h"
-#include "utils.h"
 
 #include <cctype>
 #include <climits>

lib/platform.cpp

@@ -20,7 +20,6 @@
 
 #include "path.h"
 
-#include <algorithm>
 #include <cstdlib>
 #include <cstring>
 #include <limits>

lib/platform.h

@@ -22,7 +22,6 @@
 //---------------------------------------------------------------------------
 
 #include "config.h"
-#include "utils.h"
 
 #include <climits>
 #include <string>

lib/programmemory.cpp

@@ -26,6 +26,7 @@
 #include "settings.h"
 #include "symboldatabase.h"
 #include "token.h"
+#include "utils.h"
 #include "valueflow.h"
 #include "valueptr.h"
 
@@ -35,6 +36,7 @@
 #include <list>
 #include <memory>
 #include <string>
+#include <type_traits>
 #include <utility>
 #include <vector>
 

lib/programmemory.h

@@ -19,9 +19,12 @@
 #ifndef GUARD_PROGRAMMEMORY_H
 #define GUARD_PROGRAMMEMORY_H
 
+#include "config.h"
 #include "mathlib.h"
-#include "utils.h"
 #include "valueflow.h" // needed for alias
+
+#include <cstddef>
+#include <functional>
 #include <map>
 #include <unordered_map>
 

lib/symboldatabase.cpp

@@ -42,6 +42,7 @@
 #include <limits>
 #include <stack>
 #include <string>
+#include <type_traits>
 #include <unordered_map>
 #include <unordered_set>
 //---------------------------------------------------------------------------

lib/symboldatabase.h

@@ -25,7 +25,6 @@
 #include "library.h"
 #include "mathlib.h"
 #include "token.h"
-#include "utils.h"
 
 #include <cctype>
 #include <iosfwd>
@@ -34,7 +33,6 @@
 #include <memory>
 #include <set>
 #include <string>
-#include <type_traits>
 #include <utility>
 #include <vector>
 

lib/templatesimplifier.cpp

@@ -33,6 +33,7 @@
 #include <map>
 #include <memory>
 #include <stack>
+#include <type_traits>
 #include <utility>
 
 static Token *skipRequires(Token *tok)

lib/tokenize.h

@@ -24,7 +24,6 @@
 #include "config.h"
 #include "errortypes.h"
 #include "tokenlist.h"
-#include "utils.h"
 
 #include <iosfwd>
 #include <list>

lib/tokenlist.h

@@ -23,7 +23,6 @@
 
 #include "config.h"
 #include "token.h"
-#include "utils.h"
 
 #include <iosfwd>
 #include <string>

lib/utils.h

@@ -154,32 +154,4 @@ CPPCHECKLIB bool matchglob(const std::string& pattern, const std::string& name);
 
 CPPCHECKLIB bool matchglobs(const std::vector<std::string> &patterns, const std::string &name);
 
-#define UNUSED(x) (void)(x)
-
-// Use the nonneg macro when you want to assert that a variable/argument is not negative
-#ifdef __CPPCHECK__
-#define nonneg   __cppcheck_low__(0)
-#elif defined(NONNEG)
-// Enable non-negative values checking
-// TODO : investigate using annotations/contracts for stronger value checking
-#define nonneg   unsigned
-#else
-// Disable non-negative values checking
-#define nonneg
-#endif
-
-#if defined(__has_feature)
-#if __has_feature(address_sanitizer)
-#define ASAN 1
-#endif
-#endif
-
-#ifndef ASAN
-#ifdef  __SANITIZE_ADDRESS__
-#define ASAN 1
-#else
-#define ASAN 0
-#endif
-#endif
-
 #endif

lib/valueflow.h

@@ -23,7 +23,6 @@
 
 #include "config.h"
 #include "mathlib.h"
-#include "utils.h"
 
 #include <algorithm>
 #include <cassert>