Magic constants (__DIR__, __FILE__...) will be resolved to their appropriate value.
Scoped class keywords/constants (static::, self::, parent::) will be resolved
to their fully qualified name.
public getStructure ( Pinq\Parsing\IFunctionReflection $reflection ) : Pinq\Parsing\IFunctionStructure | ||
$reflection | Pinq\Parsing\IFunctionReflection | |
리턴 | Pinq\Parsing\IFunctionStructure |
protected function parseQueryExpression(callable $queryFunction, O\IEvaluationContext &$evaluationContext = null) { $reflection = $this->functionInterpreter->getReflection($queryFunction); $evaluationContext = $reflection->asEvaluationContext(); $function = $this->functionInterpreter->getStructure($reflection); $expressions = $function->getBodyExpressions(); $this->assertCount(1, $expressions); //Resolve the parameter variable with the queryable value and $this $parameterName = $reflection->getSignature()->getParameterExpressions()[0]->getName(); $expression = $expressions[0]; foreach ([$parameterName => $this->queryable, 'this' => $this] as $variable => $value) { $variableReplacer = new O\DynamicExpressionWalker([O\VariableExpression::getType() => function (O\VariableExpression $expression) use($variable, &$value) { if ($expression->getName() instanceof O\ValueExpression && $expression->getName()->getValue() === $variable) { return O\Expression::value($value); } else { return $expression; } }, O\ClosureExpression::getType() => function ($closure) { return $closure; }]); $expression = $variableReplacer->walk($expression); } if ($expression instanceof O\ReturnExpression) { return $expression->getValue(); } else { return $expression; } }
/** * @param callable $function * @param array $variableTypeMap * @param mixed $expression * * @return ITypeAnalysis */ protected function getAnalysis(callable $function, array $variableTypeMap = [], &$expression = null) { $reflection = $this->functionInterpreter->getReflection($function); foreach ($reflection->getSignature()->getParameterExpressions() as $parameterExpression) { $variableTypeMap[$parameterExpression->getName()] = $this->typeSystem->getTypeFromTypeHint($parameterExpression->getTypeHint()); } $analysisContext = $this->expressionAnalyser->createAnalysisContext($reflection->asEvaluationContext()); foreach ($variableTypeMap as $variable => $type) { $analysisContext->setExpressionType(O\Expression::variable(O\Expression::value($variable)), $type); } $bodyExpressions = $this->functionInterpreter->getStructure($reflection)->getBodyExpressions(); foreach ($bodyExpressions as $expression) { if ($expression instanceof O\ReturnExpression) { return $this->expressionAnalyser->analyse($analysisContext, $expression->getValue()); } elseif (count($bodyExpressions) === 1) { return $this->expressionAnalyser->analyse($analysisContext, $expression); } else { $this->expressionAnalyser->analyse($analysisContext, $expression); } } }