public function compile($expression, CompilationContext $compilationContext)
    {
        /*
         * Resolves the symbol that expects the value
         */
        if ($this->expecting) {
            if ($this->expectingVariable) {
                $symbolVariable = $this->expectingVariable;
                if ('variable' != $symbolVariable->getType()) {
                    throw new CompilerException('Cannot use variable type: '.$symbolVariable->getType().' to store a reference', $expression);
                }
            } else {
                $symbolVariable = $compilationContext->symbolTable->getTempVariableForWrite('variable', $compilationContext, $expression);
            }
        } else {
            $symbolVariable = $compilationContext->symbolTable->getTempVariableForWrite('variable', $compilationContext, $expression);
        }

        $leftExpr = new Expression($expression['left']);
        $leftExpr->setReadOnly($this->readOnly);
        $left = $leftExpr->compile($compilationContext);

        switch ($left->getType()) {
            case 'variable':
            case 'string':
            case 'object':
            case 'array':
            case 'callable':
                break;
            default:
                throw new CompilerException('Cannot obtain a reference from type: '.$left->getType(), $expression);
        }

        $leftVariable = $compilationContext->symbolTable->getVariableForRead($left->getCode(), $compilationContext, $expression);
        switch ($leftVariable->getType()) {
            case 'variable':
            case 'string':
            case 'object':
            case 'array':
            case 'callable':
                break;
            default:
                throw new CompilerException('Cannot obtain reference from variable type: '.$leftVariable->getType(), $expression);
        }

        $symbolVariable->setMustInitNull(true);
        $compilationContext->symbolTable->mustGrownStack(true);

        $symbolVariable->increaseVariantIfNull();
        $compilationContext->codePrinter->output('ZEPHIR_MAKE_REFERENCE('.$symbolVariable->getName().', '.$leftVariable->getName().');');

        return new CompiledExpression('reference', $symbolVariable->getRealName(), $expression);
    }