Added MSVC debugging tool, discovered globals feature

assets/scripts/init.toy

@@ -1,31 +1,38 @@
-import engine;
-import input;
+//A quirk of the setup is that anything defined in the root of `init.toy` becomes a global object
+//To resolve that, the configuration is inside a block scope
+{
+	import engine;
+	import input;
 
 
-//input settings, mapping SDL2's virtual keys to event names
-mapInputEventToKeyDown("character_up",    "w"); //event, keysym
-mapInputEventToKeyDown("character_left",  "a"); //event, keysym
-mapInputEventToKeyDown("character_down",  "s"); //event, keysym
-mapInputEventToKeyDown("character_right", "d"); //event, keysym
+	//input settings, mapping SDL2's virtual keys to event names
+	mapInputEventToKeyDown("character_up",    "w"); //event, keysym
+	mapInputEventToKeyDown("character_left",  "a"); //event, keysym
+	mapInputEventToKeyDown("character_down",  "s"); //event, keysym
+	mapInputEventToKeyDown("character_right", "d"); //event, keysym
 
-mapInputEventToKeyUp("character_up",    "w"); //event, keysym
-mapInputEventToKeyUp("character_left",  "a"); //event, keysym
-mapInputEventToKeyUp("character_down",  "s"); //event, keysym
-mapInputEventToKeyUp("character_right", "d"); //event, keysym
+	mapInputEventToKeyUp("character_up",    "w"); //event, keysym
+	mapInputEventToKeyUp("character_left",  "a"); //event, keysym
+	mapInputEventToKeyUp("character_down",  "s"); //event, keysym
+	mapInputEventToKeyUp("character_right", "d"); //event, keysym
 
-mapInputEventToKeyDown("character_up",    "up"); //event, keysym
-mapInputEventToKeyDown("character_left",  "left"); //event, keysym
-mapInputEventToKeyDown("character_down",  "down"); //event, keysym
-mapInputEventToKeyDown("character_right", "right"); //event, keysym
+	mapInputEventToKeyDown("character_up",    "up"); //event, keysym
+	mapInputEventToKeyDown("character_left",  "left"); //event, keysym
+	mapInputEventToKeyDown("character_down",  "down"); //event, keysym
+	mapInputEventToKeyDown("character_right", "right"); //event, keysym
 
-mapInputEventToKeyUp("character_up",    "up"); //event, keysym
-mapInputEventToKeyUp("character_left",  "left"); //event, keysym
-mapInputEventToKeyUp("character_down",  "down"); //event, keysym
-mapInputEventToKeyUp("character_right", "right"); //event, keysym
+	mapInputEventToKeyUp("character_up",    "up"); //event, keysym
+	mapInputEventToKeyUp("character_left",  "left"); //event, keysym
+	mapInputEventToKeyUp("character_down",  "down"); //event, keysym
+	mapInputEventToKeyUp("character_right", "right"); //event, keysym
 
 
-//this function must always be called, or the engine won't run
-initWindow("Airport Game", 1080, 720, false);
+	//this function must always be called, or the engine won't run
+	initWindow("Airport Game", 1080, 720, false);
+
+	//kick off the logic of the scene graph
+	loadRootNode("scripts:/scene.toy");
+}
+
+//Globals go here
 
-//kick off the logic of the scene graph
-loadRootNode("scripts:/scene.toy");

box/box_common.h

@@ -24,12 +24,15 @@
 #include <SDL_image.h>
 
 #include <windows.h>
+#include <crtdbg.h>
+
 #ifndef BOX_EXPORT
 #define BOX_API __declspec(dllimport)
 #else
 #define BOX_API __declspec(dllexport)
 #endif
 
+//TODO: figure out the sleep issue
 #define sleep Sleep
 
 #else

box/box_engine.c

@@ -70,7 +70,7 @@ void Box_initEngine() {
 	const unsigned char* tb = Toy_compileString((const char*)source, &size);
 	free((void*)source);
 
-	//TODO: inner-interpreter
+	//A quirk of the setup is that anything defined in `init.toy` becomes a global object
 	Toy_runInterpreter(&engine.interpreter, tb, size);
 }
 
@@ -147,7 +147,7 @@ static void execLoadRootNode() {
 	Box_callEngineNode(engine.rootNode, &inner, "onLoad", NULL);
 
 	//manual cleanup
-	inner.scope = Toy_popScope(inner.scope);
+	Toy_popScope(inner.scope);
 	Toy_freeLiteralArray(&inner.stack);
 	Toy_freeLiteralArray(&inner.literalCache);
 

source/main.c

@@ -7,6 +7,12 @@
 #include "lib_runner.h"
 
 int main(int argc, char* argv[]) {
+	//debugging tools
+#ifdef _DEBUG
+	// Memory Leak Detection during Debug Builds (MSVC only)
+	_CrtSetDbgFlag(_CRTDBG_ALLOC_MEM_DF | _CRTDBG_LEAK_CHECK_DF);
+#endif//win32 && debug
+
 	//the drive system uses a LiteralDictionary, which must be initialized with this
 	Toy_initDriveDictionary();