Renamed Toy_ModuleBuilder to Toy_ModuleCompiler

I also noticed that Toy_ModuleBundle isn't being used right now.

source/toy_module_compiler.h

@@ -0,0 +1,62 @@
+#pragma once
+
+#include "toy_common.h"
+#include "toy_ast.h"
+
+//the 'escapes' are lists of data used for processing the 'break' and 'continue' keywords
+typedef struct Toy_private_EscapeEntry_t {
+	unsigned int addr; //the address to write *to*
+	unsigned int depth; //the current depth
+} Toy_private_EscapeEntry_t;
+
+typedef struct Toy_private_EscapeArray {
+	unsigned int capacity;
+	unsigned int count;
+	Toy_private_EscapeEntry_t data[];
+} Toy_private_EscapeArray;
+
+//not needed at runtime, so they can be bigger
+#ifndef TOY_ESCAPE_INITIAL_CAPACITY
+#define TOY_ESCAPE_INITIAL_CAPACITY 32
+#endif
+
+#ifndef TOY_ESCAPE_EXPANSION_RATE
+#define TOY_ESCAPE_EXPANSION_RATE 4
+#endif
+
+TOY_API void* Toy_private_resizeEscapeArray(Toy_private_EscapeArray* ptr, unsigned int capacity);
+
+//structure for holding the module as it is built
+typedef struct Toy_ModuleCompiler {
+	unsigned char* code; //the instruction set
+	unsigned int codeCapacity;
+	unsigned int codeCount;
+
+	unsigned char* jumps; //each 'jump' is the starting address of an element within 'data'
+	unsigned int jumpsCapacity;
+	unsigned int jumpsCount;
+
+	unsigned char* param; //each 'param' is the starting address of a name string within 'data'
+	unsigned int paramCapacity;
+	unsigned int paramCount;
+
+	unsigned char* data; //a block of read-only data
+	unsigned int dataCapacity;
+	unsigned int dataCount;
+
+	unsigned char* subs; //submodules, built recursively
+	unsigned int subsCapacity;
+	unsigned int subsCount;
+
+	//TODO: duplicate string reuse, see #168
+
+	//tools for handling the build process
+	unsigned int currentScopeDepth;
+	Toy_private_EscapeArray* breakEscapes;
+	Toy_private_EscapeArray* continueEscapes;
+
+	//compilation errors
+	bool panic;
+} Toy_ModuleCompiler;
+
+TOY_API void* Toy_compileModule(Toy_Ast* ast);