Preprocessor warnings with Clang #560
Description
🐛 Bug Report
One way of solving the issue:
#include <stdio.h>
// Internal helper macros
#define _LOG_GET_MACRO(_1,_2,NAME,...) NAME
#define LOG1(fmt) printf(fmt)
#define LOG2(fmt, ...) printf(fmt, __VA_ARGS__)
// Public macro
#define LOG(...) _LOG_GET_MACRO(__VA_ARGS__, LOG2, LOG1)(__VA_ARGS__)Error:
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:220:40: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(INSPECT_ERROR);
[ 91%] Built target ts_loader
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:81:9: note: macro 'EXTENSION_FUNCTION_CHECK' defined here
#define EXTENSION_FUNCTION_CHECK(error, ...) \
[ 91%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_future.c.o
^
[ 91%] Building C object source/detour/CMakeFiles/detour.dir/source/detour.c.o
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:220:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(INSPECT_ERROR);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
[ 91%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_exception.c.o
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
^
[ 91%] Linking CXX shared library ../../libdetour.dylib
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:330:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(CALL_ERROR, METACALL_STRING);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
[ 91%] Built target detour
^
[ 91%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_throwable.c.o
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
Installing node_port
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:355:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(CALL_ERROR, METACALL_STRING);
[ 91%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_scope.c.o
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:444:42: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(COPYRIGHT_ERROR);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:81:9: note: macro 'EXTENSION_FUNCTION_CHECK' defined here
#define EXTENSION_FUNCTION_CHECK(error, ...) \
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:444:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION_CHECK(COPYRIGHT_ERROR);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:454:37: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
[ 91%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_context.c.o
EXTENSION_FUNCTION_CHECK(HELP_ERROR);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:81:9: note: macro 'EXTENSION_FUNCTION_CHECK' defined here
#define EXTENSION_FUNCTION_CHECK(error, ...) \
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:454:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
[ 92%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_value.c.o
EXTENSION_FUNCTION_CHECK(HELP_ERROR);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:645:2: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
[ 92%] Building C object source/reflect/CMakeFiles/reflect.dir/source/reflect_value_type.c.o
EXTENSION_FUNCTION_CHECK(DEBUG_ERROR, METACALL_ARRAY);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:97:3: note: expanded from macro 'EXTENSION_FUNCTION_CHECK'
PREPROCESSOR_FOR(EXTENSION_FUNCTION_CHECK_ITERATOR, error, __VA_ARGS__) \
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:237:58: note: expanded from macro 'PREPROCESSOR_FOR'
PREPROCESSOR_FOR_IMPL_0)(expr, context, 0, __VA_ARGS__))
^
/Users/runner/work/core/core/source/preprocessor/include/preprocessor/preprocessor_for.h:153:9: note: macro 'PREPROCESSOR_FOR_IMPL_1' defined here
#define PREPROCESSOR_FOR_IMPL_1(expr, context, iterator, element, ...) expr(context, iterator, element)
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:676:42: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION(METACALL_INT, inspect);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:59:9: note: macro 'EXTENSION_FUNCTION' defined here
#define EXTENSION_FUNCTION(ret, name, ...) \
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:681:44: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION(METACALL_INT, copyright);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:59:9: note: macro 'EXTENSION_FUNCTION' defined here
#define EXTENSION_FUNCTION(ret, name, ...) \
^
/Users/runner/work/core/core/source/cli/plugins/cli_core_plugin/source/cli_core_plugin.cpp:682:39: warning: must specify at least one argument for '...' parameter of variadic macro [-Wgnu-zero-variadic-macro-arguments]
EXTENSION_FUNCTION(METACALL_INT, help);
^
/Users/runner/work/core/core/source/plugin/include/plugin/plugin_interface.hpp:59:9: note: macro 'EXTENSION_FUNCTION' defined here
#define EXTENSION_FUNCTION(ret, name, ...) \