feat(seh): basic implementation, for some reason __except not being hit

Author: gynt

CodeFunctions.cpp

@@ -9,7 +9,6 @@
 #include <sstream>
 #include <iostream>
 #include "AOB.h"
-#include "UtilityFunctions.h"
 #include "Memory.h"
 
 extern HANDLE codeHeap;
@@ -29,5 +28,3 @@ int luaExposeCode(lua_State* L);
 int luaHookCode(lua_State* L);
 
 int luaCallMachineCode(lua_State* L);
-
-int convertTableToByteStream(lua_State* L, std::stringstream* s);

CodeFunctions.h

@@ -0,0 +1,22 @@
+#include "Exceptions.h"
+
+
+const char errorReport[1000] = {};
+static const char* const errorReportTooLong = "error report is too longer, longer than 1000 characters";
+
+int errorFilterAndReporter(unsigned int code, struct _EXCEPTION_POINTERS* ep)
+{
+	std::stringstream errorReportBuilder;
+	errorReportBuilder << "Exception occurred: code: 0x" << std::hex << code << " at 0x" << std::hex << ep->ExceptionRecord->ExceptionAddress;
+	std::string r = errorReportBuilder.str();
+	const char* data = r.c_str();
+	size_t size = strnlen_s(data, 1000);
+	if (size < 1000) {
+		// memset((void*)errorReport, 0, 1000);
+		memcpy((void*)errorReport, data, size + 1);
+	}
+	else {
+		memcpy((void*)errorReport, (void*)errorReportTooLong, strnlen_s(errorReportTooLong, 1000));
+	}
+	return EXCEPTION_EXECUTE_HANDLER;
+}

Exceptions.cpp

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "framework.h"
+#include <string>
+#include <sstream>
+
+#define RPS_HANDLE_SEH errorFilterAndReporter(GetExceptionCode(), GetExceptionInformation())
+#define RPS_LUA_SEH luaL_error(L, "%s", errorReport)
+#define RPS_LUA_SEH_X(x) luaL_error(L, "%s  while executing 0x%X", errorReport, x)
+#define RPS_LUA_SEH_ADDRESS luaL_error(L, "%s  while executing 0x%X", errorReport, address)
+
+extern const char errorReport[1000];
+int errorFilterAndReporter(unsigned int code, struct _EXCEPTION_POINTERS* ep);