package php

// #include "compile.h"
import "C"

import (
	"errors"
	"unsafe"
)

// The program struct contains the program in compiled format.
type program struct {
	op_array *C.zend_op_array
}

// Compile a program from source code
func Compile(code []byte) (*program, error) {
	cCode := C.CString(string(code))
	defer C.free(unsafe.Pointer(cCode))

	op_array := C.compile(cCode)
	if op_array == nil {
		return nil, errors.New("failed to compile code")
	}

	return &program{op_array: op_array}, nil
}

func (p *program) Free() {
	if p.op_array != nil {
		C.destroy_op_array(p.op_array)
		C._efree(unsafe.Pointer(p.op_array))
	}
	p.op_array = nil
}