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<?php |
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namespace Desmond\functions\core; |
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use Desmond\functions\DesmondFunction; |
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use Desmond\ArgumentHelper; |
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use Desmond\data_types\VectorType; |
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use Desmond\exceptions\ArgumentException; |
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use RuntimeException; |
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use ArgumentCountError; |
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class DotFunc implements DesmondFunction |
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{ |
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use ArgumentHelper; |
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public function id() |
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{ |
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return '.func'; |
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} |
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public function run(array $args) |
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{ |
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$this->expectArguments( |
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'.func', |
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[0 => ['Symbol', 'String']], |
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$args |
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); |
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$function = self::getFunction($args); |
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$args = self::getArgs($args); |
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// This is to capture warnings when you call PHP functions without all their args. |
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set_error_handler(function($errno, $errstr, $errfile, $errline) { |
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throw new RuntimeException(); |
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}); |
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try { |
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$value = $function(...$args); |
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} catch (RuntimeException $error) { |
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throw new ArgumentException("\".func\": Too few arguments passed to $function."); |
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} catch (ArgumentCountError $error) { |
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throw new ArgumentException("\".func\": Too few arguments passed to $function."); |
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} |
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restore_error_handler(); |
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return $value; |
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} |
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private static function getArgs($args) |
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{ |
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array_shift($args); |
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$argValues = []; |
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foreach ($args as $arg) { |
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$argValues[] = $arg->value(); |
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} |
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return $argValues; |
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} |
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private static function getFunction(array $args) |
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{ |
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$functionName = $args[0]->value(); |
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if (!function_exists($functionName)) { |
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throw new ArgumentException("\".func\": undefined PHP function \"$functionName\"."); |
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} else { |
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return $args[0]->value(); |
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} |
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} |
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} |
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Archer70 /
desmond
Loading history...
This check looks from parameters that have been defined for a function or method, but which are not used in the method body.