function it_passes_output_from_the_tokeniser_to_the_parser(Tokeniser $tokeniser, Parser $parser, Evaluator $evaluator)
{
$input = '(+ 1 2)';
$inputAsTokens = array('(', '+', '1', '2', ')');
$parserOutput = array('+', '1', 2);
$tokeniser->parse($input)->shouldBeCalled();
$tokeniser->parse($input)->willReturn($inputAsTokens);
$parser->parse($inputAsTokens)->shouldBeCalled()->willReturn($parserOutput);
$evaluator->evaluate($parserOutput)->shouldBeCalled();
$evaluator->setPhilInterpreter(Argument::type("\\Pogotc\\Phil\\Phil"))->shouldBeCalled();
$this->run($input);
}
/**
* @param $ast
*/
private function evaluateFunction($ast)
{
if ($ast[0] == 'fn') {
$functionName = $this->generateAnonymousFunctionName();
$functionArgs = $ast[1];
$functionBody = $ast[2];
} else {
$functionName = $ast[1];
$functionArgs = $ast[2];
$functionBody = $ast[3];
}
$this->scope[$functionName] = function () use($functionArgs, $functionBody) {
$args = func_get_args();
$localScope = $this->scope->getArrayCopy();
foreach ($functionArgs as $idx => $namedArg) {
$localScope[$namedArg] = $args[$idx];
}
$funcEvaluator = new Evaluator($localScope);
return $funcEvaluator->evaluate($functionBody);
};
return $this->scope[$functionName];
}