|
final public static index ( |
||
| $value | ||
| $index | ||
| return | ||
/**
* @dataProvider parsers
*/
public function testNestedVariableTraversal()
{
$function = function () {
$i->field->method()['index'];
};
$this->assertParsedAs($function, [O\Expression::index(O\Expression::methodCall(O\Expression::field(self::variable('i'), O\Expression::value('field')), O\Expression::value('method')), O\Expression::value('index'))]);
}
public function parseExpressionNode(Node\Expr $node)
{
switch (true) {
case $mappedNode = $this->parseOperatorNode($node):
return $mappedNode;
case $node instanceof Node\Scalar && ($mappedNode = $this->parseScalarNode($node)):
return $mappedNode;
case $node instanceof Node\Expr\Variable:
return Expression::variable($this->parseNameNode($node->name));
case $node instanceof Node\Expr\Array_:
return $this->parseArrayNode($node);
case $node instanceof Node\Expr\FuncCall:
return $this->parseFunctionCallNode($node);
case $node instanceof Node\Expr\New_:
return Expression::newExpression($this->parseNameNode($node->class), $this->parseNodes($node->args));
case $node instanceof Node\Expr\MethodCall:
return Expression::methodCall($this->parseNode($node->var), $this->parseNameNode($node->name), $this->parseNodes($node->args));
case $node instanceof Node\Expr\PropertyFetch:
return Expression::field($this->parseNode($node->var), $this->parseNameNode($node->name));
case $node instanceof Node\Expr\ArrayDimFetch:
return Expression::index($this->parseNode($node->var), $node->dim === null ? null : $this->parseNode($node->dim));
case $node instanceof Node\Expr\ConstFetch:
return Expression::constant($this->parseAbsoluteName($node->name));
case $node instanceof Node\Expr\ClassConstFetch:
return Expression::classConstant($this->parseNameNode($node->class), $node->name);
case $node instanceof Node\Expr\StaticCall:
return Expression::staticMethodCall($this->parseNameNode($node->class), $this->parseNameNode($node->name), $this->parseNodes($node->args));
case $node instanceof Node\Expr\StaticPropertyFetch:
return Expression::staticField($this->parseNameNode($node->class), $this->parseNameNode($node->name));
case $node instanceof Node\Expr\Ternary:
return $this->parseTernaryNode($node);
case $node instanceof Node\Expr\Closure:
return $this->parseClosureNode($node);
case $node instanceof Node\Expr\Empty_:
return Expression::emptyExpression($this->parseNode($node->expr));
case $node instanceof Node\Expr\Isset_:
return Expression::issetExpression($this->parseNodes($node->vars));
default:
throw new ASTException('Cannot parse AST with unknown expression node: %s', get_class($node));
}
}
public function expressions()
{
return [[O\Expression::arrayExpression([])], [O\Expression::arrayItem(null, O\Expression::value(0), false)], [O\Expression::assign(O\Expression::value(0), O\Operators\Assignment::EQUAL, O\Expression::value(0))], [O\Expression::binaryOperation(O\Expression::value(0), O\Operators\Binary::ADDITION, O\Expression::value(0))], [O\Expression::unaryOperation(O\Operators\Unary::PLUS, O\Expression::value(0))], [O\Expression::cast(O\Operators\Cast::STRING, O\Expression::value(0))], [O\Expression::closure(false, false, [], [], [])], [O\Expression::closureUsedVariable('var')], [O\Expression::emptyExpression(O\Expression::value(0))], [O\Expression::field(O\Expression::value(0), O\Expression::value(0))], [O\Expression::functionCall(O\Expression::value(0))], [O\Expression::index(O\Expression::value(0), O\Expression::value(0))], [O\Expression::invocation(O\Expression::value(0))], [O\Expression::issetExpression([O\Expression::value(0)])], [O\Expression::unsetExpression([O\Expression::value(0)])], [O\Expression::methodCall(O\Expression::value(0), O\Expression::value(0))], [O\Expression::newExpression(O\Expression::value(0))], [O\Expression::parameter('')], [O\Expression::argument(O\Expression::value(0))], [O\Expression::returnExpression()], [O\Expression::staticMethodCall(O\Expression::value(0), O\Expression::value(0))], [O\Expression::staticField(O\Expression::value(0), O\Expression::value(0))], [O\Expression::ternary(O\Expression::value(0), null, O\Expression::value(0))], [O\Expression::throwExpression(O\Expression::value(0))], [O\Expression::value(0)], [O\Expression::variable(O\Expression::value(0))], [O\Expression::constant('foo')], [O\Expression::classConstant(O\Expression::value(0), 'foo')]];
}
/**
* @dataProvider parsers
*/
public function testIndex()
{
$this->assertParsedAs(function () {
$i[0];
}, [O\Expression::index(O\Expression::variable(O\Expression::value('i')), O\Expression::value(0))]);
$this->assertParsedAs(function () {
//Must use write context
f($i[]);
}, [O\Expression::functionCall(O\Expression::value('f'), [O\Expression::argument(O\Expression::index(O\Expression::variable(O\Expression::value('i'))))])]);
}
/**
* @backupGlobals enabled
*/
public function testParameterCollectionCanEvaluateSuperGlobalExpression()
{
$this->collection->addExpression(O\Expression::index(O\Expression::variable(O\Expression::value('_POST')), O\Expression::value('var')), ParameterHasher::valueType());
$_POST['var'] = [1, 2, 3];
$this->assertResolvesTo([[1, 2, 3]]);
}
protected function exampleFromDocsQuery()
{
$rowExpression = O\Expression::variable(O\Expression::value('row'));
return $this->scopeRequest([new Q\Segments\Filter(new Q\Functions\ElementProjection($this->parameter(), self::SCOPE_TYPE, self::SCOPE_NAMESPACE, [$this->parameter() => 'this'], [O\Expression::parameter('row')], [O\Expression::returnExpression(O\Expression::binaryOperation(O\Expression::index($rowExpression, O\Expression::value('age')), O\Operators\Binary::LESS_THAN_OR_EQUAL_TO, O\Expression::value(50)))])), new Q\Segments\OrderBy([new Q\Segments\Ordering($this->indexProjection('firstName'), $this->parameter()), new Q\Segments\Ordering($this->indexProjection('lastName'), $this->parameter())]), new Q\Segments\Range($this->parameter(), $this->parameter()), new Q\Segments\IndexBy($this->indexProjection('phoneNumber')), new Q\Segments\Select(new Q\Functions\ElementProjection($this->parameter(), self::SCOPE_TYPE, self::SCOPE_NAMESPACE, [$this->parameter() => 'this'], [O\Expression::parameter('row')], [O\Expression::returnExpression(O\Expression::arrayExpression([O\Expression::arrayItem(O\Expression::value('fullName'), O\Expression::binaryOperation(O\Expression::binaryOperation(O\Expression::index($rowExpression, O\Expression::value('firstName')), O\Operators\Binary::CONCATENATION, O\Expression::value(' ')), O\Operators\Binary::CONCATENATION, O\Expression::index($rowExpression, O\Expression::value('lastName')))), O\Expression::arrayItem(O\Expression::value('address'), O\Expression::index($rowExpression, O\Expression::value('address'))), O\Expression::arrayItem(O\Expression::value('dateOfBirth'), O\Expression::index($rowExpression, O\Expression::value('dateOfBirth')))]))]))]);
}
public function testCompositeType()
{
$compositeType = $this->typeSystem->getType(TypeId::getComposite([TypeId::getObject('ArrayAccess'), TypeId::getObject('Countable')]));
$indexer = $compositeType->getIndex(O\Expression::index(O\Expression::value([]), O\Expression::value('s')));
$this->assertEqualTypes($this->typeSystem->getObjectType('ArrayAccess'), $indexer->getSourceType());
$this->assertEqualsNativeType(INativeType::TYPE_MIXED, $indexer->getReturnType());
$method = $compositeType->getMethod(O\Expression::methodCall(O\Expression::value([]), O\Expression::value('offsetExists')));
$this->assertEqualTypes($this->typeSystem->getObjectType('ArrayAccess'), $method->getSourceType());
$this->assertEqualsNativeType(INativeType::TYPE_BOOL, $method->getReturnType());
$method = $compositeType->getMethod(O\Expression::methodCall(O\Expression::value([]), O\Expression::value('count')));
$this->assertEqualTypes($this->typeSystem->getObjectType('Countable'), $method->getSourceType());
$this->assertEqualsNativeType(INativeType::TYPE_INT, $method->getReturnType());
}
