Started working on engine nodes

core/engine_node.h

@@ -2,22 +2,25 @@
 
 #include "common.h"
 
+#include "literal_dictionary.h"
+#include "interpreter.h"
+
 //forward declare
 typedef struct _engineNode EngineNode;
-typedef struct _engine Engine;
-
-//the interface function
-typedef void (*EngineNodeFn)(EngineNode* self, Engine* engine);
 
 //the node object, which forms a tree
 typedef struct _engineNode {
 	//use Toy's memory model
-	void* children;
+	EngineNode* children;
 	int capacity;
-	int count;
+	int count; //includes tombstones
 
-	EngineNodeFn onInit;
-	EngineNodeFn onStep;
-	EngineNodeFn onFree;
+	//toy functions, stored in a dict for flexibility
+	LiteralDictionary* functions;
 } EngineNode;
 
+CORE_API void initEngineNode(EngineNode* node, Interpreter* interpreter, void* tb, size_t size); //run bytecode, then grab all top-level function literals
+CORE_API void pushEngineNode(EngineNode* node, EngineNode* child); //push to the array (prune tombstones when expanding/copying)
+CORE_API void freeEngineNode(EngineNode* node); //free and tombstone this node
+
+CORE_API void callEngineNode(EngineNode* node, Interpreter* interpreter, char* fnName); //call "fnName" on this node, and all children, if it exists