/usr/share/php/PHP/Depend/Parser/VersionAllParser.php is in pdepend 1.1.4-1.
This file is owned by root:root, with mode 0o644.
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/**
* This file is part of PHP_Depend.
*
* PHP Version 5
*
* Copyright (c) 2008-2012, Manuel Pichler <mapi@pdepend.org>.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* * Neither the name of Manuel Pichler nor the names of his
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* @category PHP
* @package PHP_Depend
* @subpackage Parser
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version SVN: $Id$
* @link http://www.pdepend.org/
* @since 0.9.20
*/
/**
* Concrete parser implementation that is very tolerant and accepts language
* constructs and keywords that are reserved in newer php versions, but not in
* older versions.
*
* @category PHP
* @package PHP_Depend
* @subpackage Parser
* @author Manuel Pichler <mapi@pdepend.org>
* @copyright 2008-2012 Manuel Pichler. All rights reserved.
* @license http://www.opensource.org/licenses/bsd-license.php BSD License
* @version Release: 1.1.4
* @link http://www.pdepend.org/
* @since 0.9.20
*/
class PHP_Depend_Parser_VersionAllParser extends PHP_Depend_Parser
{
/**
* Tests if the given token type is a reserved keyword in the supported PHP
* version.
*
* @param $tokenType
* @return boolean
* @since 1.1.1
*/
protected function isKeyword($tokenType)
{
switch ($tokenType) {
case self::T_CLASS:
case self::T_INTERFACE:
case self::T_FUNCTION:
return true;
}
return false;
}
/**
* Will return <b>true</b> if the given <b>$tokenType</b> is a valid class
* name part.
*
* @param integer $tokenType The type of a parsed token.
*
* @return boolean
* @since 0.10.6
*/
protected function isClassName($tokenType)
{
switch ($tokenType) {
case self::T_DIR:
case self::T_USE:
case self::T_GOTO:
case self::T_NULL:
case self::T_NS_C:
case self::T_TRUE:
case self::T_CLONE:
case self::T_FALSE:
case self::T_TRAIT:
case self::T_STRING:
case self::T_TRAIT_C:
case self::T_INSTEADOF:
case self::T_NAMESPACE:
return true;
}
return false;
}
/**
* Parses a valid class or interface name and returns the image of the parsed
* token.
*
* @return string
* @throws PHP_Depend_Parser_TokenStreamEndException When the current token
* stream does not contain one more token.
* @throws PHP_Depend_Parser_UnexpectedTokenException When the next available
* token is not a valid class name.
*/
protected function parseClassName()
{
$type = $this->tokenizer->peek();
if ($this->isClassName($type)) {
return $this->consumeToken($type)->image;
} else if ($type === self::T_EOF) {
throw new PHP_Depend_Parser_TokenStreamEndException($this->tokenizer);
}
throw new PHP_Depend_Parser_UnexpectedTokenException(
$this->tokenizer->next(),
$this->tokenizer->getSourceFile()
);
}
/**
* Parses a function name from the given tokenizer and returns the string
* literal representing the function name. If no valid token exists in the
* token stream, this method will throw an exception.
*
* @return string
* @throws PHP_Depend_Parser_UnexpectedTokenException When the next available
* token does not represent a valid php function name.
* @throws PHP_Depend_Parser_TokenStreamEndException When there is no next
* token available in the given token stream.
*/
public function parseFunctionName()
{
$type = $this->tokenizer->peek();
switch ($type) {
case self::T_CLONE:
case self::T_STRING:
case self::T_USE:
case self::T_GOTO:
case self::T_NULL:
case self::T_SELF:
case self::T_TRUE:
case self::T_FALSE:
case self::T_TRAIT:
case self::T_INSTEADOF:
case self::T_NAMESPACE:
case self::T_DIR:
case self::T_NS_C:
case self::T_PARENT:
case self::T_TRAIT_C:
return $this->consumeToken($type)->image;
case self::T_EOF:
throw new PHP_Depend_Parser_TokenStreamEndException($this->tokenizer);
}
throw new PHP_Depend_Parser_UnexpectedTokenException(
$this->tokenizer->next(),
$this->tokenizer->getSourceFile()
);
}
/**
* Tests if the given token type is a valid formal parameter in the supported
* PHP version.
*
* @param integer $tokenType Numerical token identifier.
*
* @return boolean
* @since 1.0.0
*/
protected function isFormalParameterTypeHint($tokenType)
{
switch ($tokenType) {
case self::T_STRING:
case self::T_CALLABLE:
case self::T_BACKSLASH:
case self::T_NAMESPACE:
return true;
}
return false;
}
/**
* Parses a formal parameter type hint that is valid in the supported PHP
* version.
*
* @return PHP_Depend_Code_ASTNode
* @since 1.0.0
*/
protected function parseFormalParameterTypeHint()
{
switch ($this->tokenizer->peek()) {
case self::T_CALLABLE:
$this->consumeToken(self::T_CALLABLE);
$type = $this->builder->buildAstTypeCallable();
break;
case self::T_STRING:
case self::T_BACKSLASH:
case self::T_NAMESPACE:
$name = $this->parseQualifiedName();
if (0 === strcasecmp('callable', $name)) {
$type = $this->builder->buildAstTypeCallable();
} else {
$type = $this->builder->buildAstClassOrInterfaceReference($name);
}
break;
}
return $type;
}
/**
* Parses an integer value.
*
* @return PHP_Depend_Code_ASTLiteral
* @since 1.0.0
* @throws PHP_Depend_Parser_UnexpectedTokenException
*/
protected function parseIntegerNumber()
{
$token = $this->consumeToken(self::T_LNUMBER);
if ('0' === $token->image) {
if (self::T_STRING === $this->tokenizer->peek()) {
$token1 = $this->consumeToken(self::T_STRING);
if (preg_match('(^b[01]+$)', $token1->image)) {
$token->image = $token->image . $token1->image;
$token->endLine = $token1->endLine;
$token->endColumn = $token1->endColumn;
} else {
throw new PHP_Depend_Parser_UnexpectedTokenException(
$token1,
$this->tokenizer->getSourceFile()
);
}
}
}
$literal = $this->builder->buildAstLiteral($token->image);
$literal->configureLinesAndColumns(
$token->startLine,
$token->endLine,
$token->startColumn,
$token->endColumn
);
return $literal;
}
/**
* This method parses a PHP version specific identifier for method and
* property postfix expressions.
*
* @return PHP_Depend_Code_ASTNode
* @since 1.0.0
*/
protected function parsePostfixIdentifier()
{
switch ($this->tokenizer->peek()) {
case self::T_STRING:
$node = $this->parseLiteral();
break;
case self::T_CURLY_BRACE_OPEN:
$node = $this->parseCompoundExpression();
break;
default:
$node = $this->parseCompoundVariableOrVariableVariableOrVariable();
break;
}
return $this->parseOptionalIndexExpression($node);
}
/**
* Implements some quirks and hacks to support php here- and now-doc for
* PHP 5.2.x versions :/
*
* @return PHP_Depend_Code_ASTHeredoc
* @since 1.0.0
*/
protected function parseHeredoc()
{
$heredoc = parent::parseHeredoc();
if (version_compare(phpversion(), "5.3.0alpha") >= 0) {
return $heredoc;
}
// Consume dangling semicolon
$this->tokenizer->next();
$token = $this->tokenizer->next();
preg_match('(/\*(\'|")\*/)', $token->image, $match);
return $heredoc;
}
/**
* Tests if the next token is a valid array start delimiter in the supported
* PHP version.
*
* @return boolean
* @since 1.0.0
*/
protected function isArrayStartDelimiter()
{
switch ($this->tokenizer->peek()) {
case self::T_ARRAY:
case self::T_SQUARED_BRACKET_OPEN:
return true;
}
return false;
}
/**
* Parses a php array declaration.
*
* @param PHP_Depend_Code_ASTArray $array
* @param boolean $static
* @return PHP_Depend_Code_ASTArray
* @since 1.0.0
*/
protected function parseArray(PHP_Depend_Code_ASTArray $array, $static = false)
{
switch ($this->tokenizer->peek()) {
case self::T_ARRAY:
$this->consumeToken(self::T_ARRAY);
$this->consumeComments();
$this->consumeToken(self::T_PARENTHESIS_OPEN);
$this->parseArrayElements($array, self::T_PARENTHESIS_CLOSE, $static);
$this->consumeToken(self::T_PARENTHESIS_CLOSE);
break;
default:
$this->consumeToken(self::T_SQUARED_BRACKET_OPEN);
$this->parseArrayElements($array, self::T_SQUARED_BRACKET_CLOSE, $static);
$this->consumeToken(self::T_SQUARED_BRACKET_CLOSE);
break;
}
return $array;
}
}
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