src/Instruction/Command/Exe.php from errant/tacit

src/Instruction/Command/Exe.php

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<?php 
namespace Tacit\Instruction\Command;
/**
 * Execute Current Stack as Program
 *
 * @author Tom Morton
 */
class Exe extends \Tacit\Instruction {

    public $command = 'EXE';

    public function execute($vm)
    {
        // TODO: finish this! (storing existing environment)
        $stack = $vm->stack->clear();
        $block = $vm->memory->store(NULL, $vm->bytecode);
        $vm->execution->push($block->getAddress());
        $vm->execution->push($vm->pointer);
        $vm->bytecode = $stack;
        $vm->pointer = -1;
    }
}