|
final public static emptyExpression ( |
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| $value | ||
| return | ||
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')]];
}
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));
}
}
/**
* @dataProvider parsers
*/
public function testEmpty()
{
$this->assertParsedAs(function () {
empty($i);
}, [O\Expression::emptyExpression(O\Expression::variable(O\Expression::value('i')))]);
}