WIP bytecode and routine, read more

The tests are failing in a strange way, with the error message 'corrupted top size'. I don't know what it means, and it seems to be caused by a call to printf() within 'test_bytecode.c'. I need a break, as this is making me dizzy.

source/toy_bytecode.h

@@ -0,0 +1,13 @@
+#pragma once
+
+#include "toy_common.h"
+#include "toy_ast.h"
+
+typedef struct Toy_Bytecode {
+	unsigned char* ptr;
+	int capacity;
+	int count;
+} Toy_Bytecode;
+
+TOY_API Toy_Bytecode Toy_compileBytecode(Toy_Ast* ast);
+TOY_API void Toy_freeBytecode(Toy_Bytecode bc);