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<?php
namespace PhpParser;
use PhpParser\Comment;
use PhpParser\Node\Expr;
use PhpParser\Node\Scalar;
use PhpParser\Node\Scalar\String_;
abstract class ParserTest extends \PHPUnit_Framework_TestCase
{
/** @returns Parser */
abstract protected function getParser(Lexer $lexer);
/**
* @expectedException \PhpParser\Error
* @expectedExceptionMessage Syntax error, unexpected EOF on line 1
*/
public function testParserThrowsSyntaxError() {
$parser = $this->getParser(new Lexer());
$parser->parse('<?php foo');
}
/**
* @expectedException \PhpParser\Error
* @expectedExceptionMessage Cannot use foo as self because 'self' is a special class name on line 1
*/
public function testParserThrowsSpecialError() {
$parser = $this->getParser(new Lexer());
$parser->parse('<?php use foo as self;');
}
public function testAttributeAssignment() {
$lexer = new Lexer(array(
'usedAttributes' => array(
'comments', 'startLine', 'endLine',
'startTokenPos', 'endTokenPos',
)
));
$code = <<<'EOC'
<?php
/** Doc comment */
function test($a) {
// Line
// Comments
echo $a;
}
EOC;
$code = canonicalize($code);
$parser = $this->getParser($lexer);
$stmts = $parser->parse($code);
/** @var \PhpParser\Node\Stmt\Function_ $fn */
$fn = $stmts[0];
$this->assertInstanceOf('PhpParser\Node\Stmt\Function_', $fn);
$this->assertEquals(array(
'comments' => array(
new Comment\Doc('/** Doc comment */', 2, 6),
),
'startLine' => 3,
'endLine' => 7,
'startTokenPos' => 3,
'endTokenPos' => 21,
), $fn->getAttributes());
$param = $fn->params[0];
$this->assertInstanceOf('PhpParser\Node\Param', $param);
$this->assertEquals(array(
'startLine' => 3,
'endLine' => 3,
'startTokenPos' => 7,
'endTokenPos' => 7,
), $param->getAttributes());
/** @var \PhpParser\Node\Stmt\Echo_ $echo */
$echo = $fn->stmts[0];
$this->assertInstanceOf('PhpParser\Node\Stmt\Echo_', $echo);
$this->assertEquals(array(
'comments' => array(
new Comment("// Line\n", 4, 49),
new Comment("// Comments\n", 5, 61),
),
'startLine' => 6,
'endLine' => 6,
'startTokenPos' => 16,
'endTokenPos' => 19,
), $echo->getAttributes());
/** @var \PhpParser\Node\Expr\Variable $var */
$var = $echo->exprs[0];
$this->assertInstanceOf('PhpParser\Node\Expr\Variable', $var);
$this->assertEquals(array(
'startLine' => 6,
'endLine' => 6,
'startTokenPos' => 18,
'endTokenPos' => 18,
), $var->getAttributes());
}
/**
* @expectedException \RangeException
* @expectedExceptionMessage The lexer returned an invalid token (id=999, value=foobar)
*/
public function testInvalidToken() {
$lexer = new InvalidTokenLexer;
$parser = $this->getParser($lexer);
$parser->parse('dummy');
}
/**
* @dataProvider provideTestKindAttributes
*/
public function testKindAttributes($code, $expectedAttributes) {
$parser = $this->getParser(new Lexer);
$stmts = $parser->parse("<?php $code;");
$attributes = $stmts[0]->getAttributes();
foreach ($expectedAttributes as $name => $value) {
$this->assertSame($value, $attributes[$name]);
}
}
public function provideTestKindAttributes() {
return array(
array('0', ['kind' => Scalar\LNumber::KIND_DEC]),
array('9', ['kind' => Scalar\LNumber::KIND_DEC]),
array('07', ['kind' => Scalar\LNumber::KIND_OCT]),
array('0xf', ['kind' => Scalar\LNumber::KIND_HEX]),
array('0XF', ['kind' => Scalar\LNumber::KIND_HEX]),
array('0b1', ['kind' => Scalar\LNumber::KIND_BIN]),
array('0B1', ['kind' => Scalar\LNumber::KIND_BIN]),
array('[]', ['kind' => Expr\Array_::KIND_SHORT]),
array('array()', ['kind' => Expr\Array_::KIND_LONG]),
array("'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
array("b'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
array("B'foo'", ['kind' => String_::KIND_SINGLE_QUOTED]),
array('"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array('b"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array('B"foo"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array('"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array('b"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array('B"foo$bar"', ['kind' => String_::KIND_DOUBLE_QUOTED]),
array("<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
array("<<<STR\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("<<<\"STR\"\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("b<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
array("B<<<'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
array("<<< \t 'STR'\nSTR\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => 'STR']),
// HHVM doesn't support this due to a lexer bug
// (https://github.com/facebook/hhvm/issues/6970)
// array("<<<'\xff'\n\xff\n", ['kind' => String_::KIND_NOWDOC, 'docLabel' => "\xff"]),
array("<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("b<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("B<<<\"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("<<< \t \"STR\"\n\$a\nSTR\n", ['kind' => String_::KIND_HEREDOC, 'docLabel' => 'STR']),
array("die", ['kind' => Expr\Exit_::KIND_DIE]),
array("die('done')", ['kind' => Expr\Exit_::KIND_DIE]),
array("exit", ['kind' => Expr\Exit_::KIND_EXIT]),
array("exit(1)", ['kind' => Expr\Exit_::KIND_EXIT]),
);
}
}
class InvalidTokenLexer extends Lexer {
public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
$value = 'foobar';
return 999;
}
}