#define MAX_REGISTERS 256

struct gen_register_file
{
	struct
	{
		bool used;
		bool wide;
	} reg[MAX_REGISTERS];
	int num_used;
	int max_used;
};

struct gen_stack
{
	int pointer;
	int max_pointer;
};

struct gen_class
{
	char * full_name;
	FILE * fp;
	gen_proc_t * p;
	struct gen_class * base;
	const char * dir;
};

enum gen_storage
{
	JVM_STORAGE_UNKNOWN,
	/* Обыкновенные Java-переменные */
	JVM_STORAGE_REGISTER,
	JVM_STORAGE_STATIC,
	JVM_STORAGE_FIELD,
	JVM_STORAGE_PARAM,
	/* Переменные на которые можно делать указатели без кеширования */
	JVM_STORAGE_REGISTER_VAR,
	JVM_STORAGE_STATIC_VAR,
	JVM_STORAGE_FIELD_VAR,
	JVM_STORAGE_PARAM_VAR,
	JVM_STORAGE_PARAM_VARPTR,
	/* Локальные переменные доступные локальным функциям */
	JVM_STORAGE_FRAME,
	JVM_STORAGE_FRAME_VAR,
	JVM_STORAGE_FRAME_PARAM,
	JVM_STORAGE_FRAME_PARAM_VAR,
	JVM_STORAGE_FRAME_PARAM_VARPTR
};


struct gen_proc_t
{
	char * full_name;
	int label_id;
	struct gen_register_file * rf;
	struct gen_stack * stack;
	struct gen_class * class;

	char ret_prefix;

	int level;
	int max_frames;
	int * reg_frame;
	gen_var_t * frame_v;
};

struct gen_type_t
{
	int rec_id;
	struct gen_class * class;

	bool wide;
	char prefix;
	char postfix;
	char * full_name;
	char * desc;
	int cell_size;
};

struct gen_var_t
{
	enum gen_storage storage;
	gen_type_t * type;
	int reg;
	int level;

	bool typecheck;
	gen_type_t * forcetype;

	char * name;
	char * full_name;
	gen_proc_t * p;
	struct gen_class * class;
};

struct gen_context_t
{
	gen_module_t * current_m;
	const char * dir;
};

struct gen_module_t
{
	struct gen_class * class;
	int rec_id;
	int line;
};

struct gen_label_t
{
	int id;
};