public string Visit(CIL_LoadStr node)
{
var string_content = datareference[node.StrId];
var string_len = string_content.Length;
var code_result = "";
//allocate the space in node.result
code_result += $"\t li $a0 {string_len+8}\n"; //Set $a0 with the param, meaning the size of the allocation
code_result += $"\t li $v0 9\n";
code_result += $"\t syscall\n"; // llama a la funcion allocate
code_result += $"\t sw $v0 {context_function[node.Result]}\n"; //guarda la direccion de la memoria allocada
//llena la direccion allocada con //tamano,typo,datos
code_result += $"\t li $t0 {string_len + 8}\n"; //carga en t0 el tamano
code_result += $"\t lw $t1 {context_function[node.Result]}\n"; //obtiene la direccion en t1
code_result += $"\t sw $t0 0($t1)\n"; //guarda en la primera posicion el tamano
code_result += $"\t la $t2 String\n"; //guarda la direccion del tipo String
code_result += $"\t sw $t2 4($t1)\n";
code_result += $"\t la $a1 {node.StrId}\n";
code_result += $"\t lw $t2 {context_function[node.Result]}\n";
var idx = 0;
//llena en los bytes restantes el valor del string
for (int i = 8; i < string_len + 8; i++)
{
code_result += $"\t lbu $t1 {idx}($a1)\n";
code_result += $"\t sb $t1 {i}($t2)\n";
idx++;
}
return(code_result);
}
public string Visit(CIL_LoadStr node)
{
int idx = dataaddr[node.StrId];
int size = mem.GetValue(idx);
int all = mem.Allocate(size + 1);
for (int i = 0; i < size + 1; i++)
{
mem.SetValue(all + i, mem.GetValue(idx + i));
}
mem.SetValue(variableaddr.Peek()[node.Result], all);
//(new CIL_IOPrint(node.Result)).Visit(this);
return("");
}
