public function gen()
{
$ir = "";
if (\Tables::declaration($this->obj->name) || \Tables::func($this->obj->name)) {
$gen = array();
$ir .= "\t; prepare the arguments" . PHP_EOL;
for ($i = 0; $i < count($this->obj->content); $i++) {
$arg = $this->obj->content[$i];
if (\Misc::baseClass($arg) == "Addition" || \Misc::baseClass($arg) == "Subtraction" || \Misc::baseClass($arg) == "Multiplication" || \Misc::baseClass($arg) == "Division" || \Misc::baseClass($arg) == "Call") {
$name = "\\Codegen\\Generator\\" . \Misc::baseClass($arg);
$obj = new $name($arg);
$ir .= $obj->gen();
$gen[$i] = $obj;
}
}
if (\Tables::declaration($this->obj->name)) {
$dec = \Tables::getDeclaration($this->obj->name);
} elseif (\Tables::func($this->obj->name)) {
$dec = \Tables::getFunc($this->obj->name);
}
$reg = \Tables::alloc();
$this->result = $reg;
$ir .= "\t; call {$dec->name}" . PHP_EOL;
if (empty($dec->args)) {
$ir .= "\t%{$reg} = call {$dec->return} @{$dec->name}";
} else {
$ir .= "\t%{$reg} = call {$dec->return} {$dec->args}* @{$dec->name}";
}
if (count($this->obj->content) > 0) {
for ($i = 0; $i < count($this->obj->content); $i++) {
$arg = $this->obj->content[$i];
if (isset($gen[$i]) && !empty($gen[$i])) {
$obj = $gen[$i];
} else {
$name = "\\Codegen\\Generator\\" . \Misc::baseClass($arg);
$obj = new $name($arg);
}
$ir .= $obj->arg() . ", ";
}
$ir = substr($ir, 0, -2);
}
$ir .= ")" . PHP_EOL;
$ir .= "\t; end of call to {$dec->name}" . PHP_EOL . PHP_EOL;
} else {
error("unknown function in line {$this->obj->line}");
}
return $ir;
}
