#include "decoder.h"
#include "decoderImp.h"

void Proc_decodeInstruction(proc_t *proc, opcode_t *op, opcode_data_t *instruction) {
	instruction->op=op->op;
	instruction->nArgs=op->nArgs;
	instruction->ext=0;
	switch(op->op) {
		case OP_store:
		case OP_swreg:
			// rule is 2s
			decodeInstructionImp(proc, op, instruction, RULE_2s);
			break;
		case OP_neg_i:
		case OP_not:
		case OP_not_l:
		case OP_is_l:
		case OP_push:
		case OP_dup:
		case OP_pop:
		case OP_high:
		case OP_jmp:
		case OP_call:
		case OP_puind:
		case OP_inth:
		case OP_stat_g:
		case OP_ext:
		case OP_mem_wr:
		case OP_mem_hr:
		case OP_mem_br:
		case OP_sub:
		case OP_unsub:
			// rule is 1
			decodeInstructionImp(proc, op, instruction, RULE_1);
			break;
		case OP_nop:
		case OP_top:
		case OP_halt:
		case OP_reset:
		case OP_stat:
		case OP_lastad:
			// rule is 0
			decodeInstructionImp(proc, op, instruction, RULE_0);
			break;
		case OP_add_i:
		case OP_sub_i:
		case OP_mul_i:
		case OP_div_i:
		case OP_mod_i:
		case OP_shlt:
		case OP_shrt:
		case OP_and:
		case OP_or:
		case OP_xor:
		case OP_and_l:
		case OP_or_l:
		case OP_xor_l:
		case OP_lt_i:
		case OP_le_i:
		case OP_gt_i:
		case OP_ge_i:
		case OP_eq_i:
		case OP_neq_i:
		case OP_swap:
		case OP_jif:
		case OP_jnt:
		case OP_jind:
		case OP_cif:
		case OP_cnt:
		case OP_stind:
		case OP_swregi:
		case OP_stat_s:
		case OP_mem_ww:
		case OP_mem_hw:
		case OP_mem_bw:
		case OP_int:
			// rule is 2
			decodeInstructionImp(proc, op, instruction, RULE_2);
			break;
	}
}

void Proc_decodeInstructionExt(proc_t *proc, opcode_ext_t *op, opcode_data_t *instruction) {
	instruction->op=op->op;
	instruction->nArgs=op->nArgs;
	instruction->ext=1;
	switch(op->op) {
		case OP_E_add_d:
		case OP_E_sub_d:
		case OP_E_mul_d:
		case OP_E_div_d:
		case OP_E_pow_d:
		case OP_E_atan2:
		case OP_E_lt_d:
		case OP_E_le_d:
		case OP_E_gt_d:
		case OP_E_ge_d:
		case OP_E_eq_d:
		case OP_E_neq_d:
		case OP_E_hypot:
			// rule is 2d
			decodeInstructionExtImp(proc, op, instruction, RULE_2d);
			break;
		case OP_E_neg_d:
		case OP_E_cos:
		case OP_E_sin:
		case OP_E_tan:
		case OP_E_atan:
		case OP_E_d2i:
		case OP_E_sqrt:
		case OP_E_cbrt:
		case OP_E_exp:
		case OP_E_ln:
		case OP_E_floor:
		case OP_E_ceil:
		case OP_E_round:
			// rule is 1d
			decodeInstructionExtImp(proc, op, instruction, RULE_1d);
			break;
		case OP_E_i2d:
			// rule is 1
			decodeInstructionExtImp(proc, op, instruction, RULE_1);
			break;
		case OP_E_nop:
		case OP_E_cst_pi:
		case OP_E_cst_e:
			// rule is 0
			decodeInstructionExtImp(proc, op, instruction, RULE_0);
			break;
	}
}