#ifndef _INCLUDE_SP_DECOMP_CODE_ANALYZER_H_

#define _INCLUDE_SP_DECOMP_CODE_ANALYZER_H_

#include <sp_vm_types.h>

enum Opcode

{

	_OP_VAR		= -1,		/* Variable container */

	_OP_STMT	= -2,		/* Statement contained */

	_OP_CONST	= -3,		/* Constant value */

	_OP_STORE	= -4,		/* Store operation (binary assignment) */

	_OP_NEW		= -5,		/* Variable declaration */

	_OP_MODULO	= -6,		/* Binary modulo operator */

	_OP_DEFINE	= -7,		/* "define" node for SSA */

	_OP_USE		= -8,		/* "use" node for SSA */

#define OPDEF(num,name,str,params) \

	OP_##name = num,

#include "opcodes.tbl"

#undef OPDEF

};

struct sp_opdef_t

{

	const char *name;

	int params;

};

struct FuncVar;

struct BaseNode

{

	BaseNode(cell_t _op) : op(_op)

	{

	}

	cell_t op;

};

struct ConstNode : public BaseNode

{

	ConstNode(cell_t _val) : BaseNode(_OP_CONST), val(_val)

	{

	}

	cell_t val;

};

struct StmtNode : public BaseNode

{

	StmtNode(cell_t _op, BaseNode *_node, StmtNode *_next) : BaseNode(_op)

		, node(_node)

		, next(_next)

	{

	}

	BaseNode *node;

	StmtNode *next;

};

struct FunctionInfo;

struct CallNode : public BaseNode

{

	CallNode(FunctionInfo *f, BaseNode **t, unsigned int c) : BaseNode(OP_CALL)

		, func(f)

		, args(t)

		, argc(c)

	{

	}

	FunctionInfo *func;

	BaseNode **args;

	unsigned int argc;

};

struct DefineNode : public BaseNode

{

	DefineNode(BaseNode *o, const char *fmt, ...);

	char name[32];

	BaseNode *other;

};

struct UseNode : public BaseNode

{

	UseNode(DefineNode *n) : BaseNode(_OP_USE), def(n)

	{

	}

	DefineNode *def;

};

struct UnaryNode : public BaseNode

{

	UnaryNode(cell_t _op, BaseNode *_node) : BaseNode(_op), node(_node)

	{

	}

	BaseNode *node;

};

struct VarNode : public BaseNode

{

	VarNode(FuncVar *_var) : BaseNode(_OP_VAR), var(_var)

	{

	}

	FuncVar *var;

};

struct BinOpNode : public BaseNode

{

	BinOpNode(cell_t _op, BaseNode *_left, BaseNode *_right) : BaseNode(_op)

		,left(_left)

		,right(_right)

	{

	}

	BaseNode *left;

	BaseNode *right;

};

struct DeclNode : public BaseNode

{

	DeclNode(VarNode *_var, BaseNode *_expr) : BaseNode(_OP_NEW), var(_var), expr(_expr)

	{

	}

	VarNode *var;

	BaseNode *expr;

};

struct FuncVar

{

	sp_fdbg_symbol_t *sym;

	sp_fdbg_arraydim_t *dims;

	sp_tag_t *tag;

	const char *name;

	unsigned int dimcount;

	DeclNode *new_stmt;

};

struct FunctionInfo

{

	char name[64];

	sp_fdbg_symbol_t *sym;

	FuncVar known_args[SP_MAX_EXEC_PARAMS];

	unsigned int num_known_args;

	sp_tag_t *tag;

	uint32_t code_addr;

	uint32_t code_end;

	bool is_public;

	FunctionInfo *next;

	FuncVar *known_vars;

	unsigned int num_known_vars;

};

struct sp_decomp_t;

int Sp_DecompFunction(sp_decomp_t *dc, uint32_t code_addr, bool is_public);

#endif //_INCLUDE_SP_DECOMP_CODE_ANALYZER_H_