/** * @param \Generator $generator * @param string $prefix */ public function __construct(\Generator $generator, string $prefix) { $yielded = $generator->current(); $prefix .= \sprintf("; %s yielded at key %s", \is_object($yielded) ? \get_class($yielded) : \gettype($yielded), $generator->key()); if (!$generator->valid()) { parent::__construct($prefix); return; } $reflGen = new \ReflectionGenerator($generator); $exeGen = $reflGen->getExecutingGenerator(); if ($isSubgenerator = $exeGen !== $generator) { $reflGen = new \ReflectionGenerator($exeGen); } parent::__construct(\sprintf("%s on line %s in %s", $prefix, $reflGen->getExecutingLine(), $reflGen->getExecutingFile())); }
public static function castReflectionGenerator(\ReflectionGenerator $c, array $a, Stub $stub, $isNested) { $prefix = Caster::PREFIX_VIRTUAL; if ($c->getThis()) { $a[$prefix . 'this'] = new CutStub($c->getThis()); } $x = $c->getFunction(); $frame = array('class' => isset($x->class) ? $x->class : null, 'type' => isset($x->class) ? $x->isStatic() ? '::' : '->' : null, 'function' => $x->name, 'file' => $c->getExecutingFile(), 'line' => $c->getExecutingLine()); if ($trace = $c->getTrace(DEBUG_BACKTRACE_IGNORE_ARGS)) { $x = new \ReflectionGenerator($c->getExecutingGenerator()); array_unshift($trace, array('function' => 'yield', 'file' => $x->getExecutingFile(), 'line' => $x->getExecutingLine() - 1)); $trace[] = $frame; $a[$prefix . 'trace'] = new TraceStub($trace, false, 0, -1, -1); } else { $x = new FrameStub($frame, false, true); $x = ExceptionCaster::castFrameStub($x, array(), $x, true); $a[$prefix . 'executing'] = new EnumStub(array($frame['class'] . $frame['type'] . $frame['function'] . '()' => $x[$prefix . 'src'])); } return $a; }
/** * A general purpose function for creating error messages from generator yields * * @param \Generator $generator * @param string $prefix * @return string */ function makeGeneratorError(\Generator $generator, $prefix = "Generator error") { if (PHP_MAJOR_VERSION < 7 || !$generator->valid()) { return $prefix; } $reflGen = new \ReflectionGenerator($generator); $exeGen = $reflGen->getExecutingGenerator(); if ($isSubgenerator = $exeGen !== $generator) { $reflGen = new \ReflectionGenerator($exeGen); } return sprintf("{$prefix} on line %s in %s", $reflGen->getExecutingLine(), $reflGen->getExecutingFile()); }