Add option for inkcpp to compile without exceptions

Author: harryr0se

CMakeLists.txt

@@ -63,14 +63,18 @@ set_property(CACHE INKCPP_INKLECATE PROPERTY STRINGS "NONE" "OS" "ALL")
 option(INKCPP_NO_EH "Disable try/catch in runtime. Used to build without error handling." OFF)
 option(INKCPP_NO_RTTI
 			 "Disable real time type information depended code. Used to build without RTTI." OFF)
+option(INKCPP_NO_EXCEPTIONS
+		"Used to build without support for exceptions." OFF)
 
 if(INKCPP_NO_EH)
 	add_definitions(-DINKCPP_NO_EH)
 endif()
 if(INKCPP_NO_RTTI)
 	add_definitions(-DINKCPP_NO_RTTI)
 endif()
-
+if(INKCPP_NO_EXCEPTIONS)
+	add_definitions(-DINKCPP_NO_EXCEPTIONS)
+endif()
 string(TOUPPER "${INKCPP_INKLECATE}" inkcpp_inklecate_upper)
 if(inkcpp_inklecate_upper STREQUAL "ALL")
 	FetchContent_MakeAvailable(inklecate_windows inklecate_mac inklecate_linux)

shared/public/config.h

@@ -11,6 +11,7 @@
 #	define INK_ENABLE_UNREAL
 #	define INKCPP_NO_EH
 #	define INKCPP_NO_RTTI
+#	define INKCPP_NO_EXCEPTIONS
 #elif INKCPP_BUILD_CLIB
 #	define INK_ENABLE_CSTD
 #else
@@ -26,6 +27,10 @@
 #	define INK_ENABLE_RTTI
 #endif
 
+#ifndef INKCPP_NO_EXCEPTIONS
+#	define INK_ENABLE_EXCEPTIONS
+#endif
+
 // Only turn on if you have json.hpp and you want to use it with the compiler
 // #define INK_EXPOSE_JSON
 

shared/public/system.h

@@ -15,7 +15,9 @@
 #	include "Hash/CityHash.h"
 #endif
 #ifdef INK_ENABLE_STL
+#ifdef INK_ENABLE_EXCEPTIONS
 #	include <exception>
+#endif
 #	include <stdexcept>
 #	include <optional>
 #	include <cctype>
@@ -31,14 +33,18 @@
 
 #ifdef INK_ENABLE_UNREAL
 #	define inkZeroMemory(buff, len)        FMemory::Memset(buff, 0, len)
-#	define inkAssert(condition, text, ...) checkf(condition, TEXT(text), ##__VA_ARGS__)
-#	define inkFail(text, ...)              checkf(false, TEXT(text), ##__VA_ARGS__)
 #	define FORMAT_STRING_STR               "%hs"
 #else
 #	define inkZeroMemory     ink::internal::zero_memory
+#	define FORMAT_STRING_STR "%s"
+#endif
+
+#ifdef INK_ENABLE_UNREAL
+#	define inkAssert(condition, text, ...) checkf(condition, TEXT(text), ##__VA_ARGS__)
+#	define inkFail(text, ...)              checkf(false, TEXT(text), ##__VA_ARGS__)
+#else
 #	define inkAssert         ink::ink_assert
 #	define inkFail(...)      ink::ink_assert(false, __VA_ARGS__)
-#	define FORMAT_STRING_STR "%s"
 #endif
 
 namespace ink
@@ -175,7 +181,7 @@ namespace internal
 #endif
 } // namespace internal
 
-#ifdef INK_ENABLE_STL
+#ifdef INK_ENABLE_EXCEPTIONS
 /** exception type thrown if something goes wrong */
 using ink_exception = std::runtime_error;
 #else
@@ -209,9 +215,19 @@ void ink_assert(bool condition, const char* msg = nullptr, Args... args)
 			size_t size    = snprintf(nullptr, 0, msg, args...) + 1;
 			char*  message = static_cast<char*>(malloc(size));
 			snprintf(message, size, msg, args...);
+#ifdef INK_ENABLE_EXCEPTIONS
 			throw ink_exception(message);
+#else
+			fprintf(stderr, "Ink Assert: %s\n", message);
+			abort();
+#endif
 		} else {
+#ifdef INK_ENABLE_EXCEPTIONS
 			throw ink_exception(msg);
+#else
+			fprintf(stderr, "Ink Assert: %s\n", msg);
+			abort();
+#endif
 		}
 	}
 }