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vendor/
composer.lock
grammar/kmyacc.exe
grammar/y.output

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language: php
dist: trusty
sudo: false
cache:
directories:
- $HOME/.composer/cache
php:
- 5.5
- 5.6
- 7.0
- nightly
- hhvm
install:
- if [ $TRAVIS_PHP_VERSION = '5.6' ]; then composer require satooshi/php-coveralls '~1.0'; fi
- composer install --prefer-dist
matrix:
allow_failures:
- php: nightly
fast_finish: true
script:
- if [ $TRAVIS_PHP_VERSION = '5.6' ]; then vendor/bin/phpunit --coverage-clover build/logs/clover.xml; else vendor/bin/phpunit; fi
- if [ $TRAVIS_PHP_VERSION = '7.0' ]; then test_old/run-php-src.sh; fi
after_success:
if [ $TRAVIS_PHP_VERSION = '5.6' ]; then php vendor/bin/coveralls; fi

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Version 3.1.4-dev
-----------------
Nothing yet.
Version 3.1.3 (2017-12-26)
--------------------------
### Fixed
* Improve compatibility with php-scoper, by supporting prefixed namespaces in
`NodeAbstract::getType()`.
Version 3.1.2 (2017-11-04)
--------------------------
### Fixed
* Comments on empty blocks are now preserved on a `Stmt\Nop` node. (#382)
### Added
* Added `kind` attribute for `Stmt\Namespace_` node, which is one of `KIND_SEMICOLON` or
`KIND_BRACED`. (#417)
* Added `setDocComment()` method to namespace builder. (#437)
Version 3.1.1 (2017-09-02)
--------------------------
### Fixed
* Fixed syntax error on comment after brace-style namespace declaration. (#412)
* Added support for TraitUse statements in trait builder. (#413)
Version 3.1.0 (2017-07-28)
--------------------------
### Added
* [PHP 7.2] Added support for trailing comma in group use statements.
* [PHP 7.2] Added support for `object` type. This means `object` types will now be represented as a
builtin type (a simple `"object"` string), rather than a class `Name`.
### Fixed
* Floating-point numbers are now printed correctly if the LC_NUMERIC locale uses a comma as decimal
separator.
### Changed
* `Name::$parts` is no longer deprecated.
Version 3.0.6 (2017-06-28)
--------------------------
### Fixed
* Fixed the spelling of `Class_::VISIBILITY_MODIFIER_MASK`. The previous spelling of
`Class_::VISIBILITY_MODIFER_MASK` is preserved for backwards compatibility.
* The pretty printing will now preserve comments inside array literals and function calls by
printing the array items / function arguments on separate lines. Array literals and functions that
do not contain comments are not affected.
### Added
* Added `Builder\Param::makeVariadic()`.
### Deprecated
* The `Node::setLine()` method has been deprecated.
Version 3.0.5 (2017-03-05)
--------------------------
### Fixed
* Name resolution of `NullableType`s is now performed earlier, so that a fully resolved signature is
available when a function is entered. (#360)
* `Error` nodes are now considered empty, while previously they extended until the token where the
error occurred. This made some nodes larger than expected. (#359)
* Fixed notices being thrown during error recovery in some situations. (#362)
Version 3.0.4 (2017-02-10)
--------------------------
### Fixed
* Fixed some extensibility issues in pretty printer (`pUseType()` is now public and `pPrec()` calls
into `p()`, instead of directly dispatching to the type-specific printing method).
* Fixed notice in `bin/php-parse` script.
### Added
* Error recovery from missing semicolons is now supported in more cases.
* Error recovery from trailing commas in positions where PHP does not support them is now supported.
Version 3.0.3 (2017-02-03)
--------------------------
### Fixed
* In `"$foo[0]"` the `0` is now parsed as an `LNumber` rather than `String`. (#325)
* Ensure integers and floats are always pretty printed preserving semantics, even if the particular
value can only be manually constructed.
* Throw a `LogicException` when trying to pretty-print an `Error` node. Previously this resulted in
an undefined method exception or fatal error.
### Added
* [PHP 7.1] Added support for negative interpolated offsets: `"$foo[-1]"`
* Added `preserveOriginalNames` option to `NameResolver`. If this option is enabled, an
`originalName` attribute, containing the unresolved name, will be added to each resolved name.
* Added `php-parse --with-positions` option, which dumps nodes with position information.
### Deprecated
* The XML serializer has been deprecated. In particular, the classes `Serializer\XML`,
`Unserializer\XML`, as well as the interfaces `Serializer` and `Unserializer` are deprecated.
Version 3.0.2 (2016-12-06)
--------------------------
### Fixed
* Fixed name resolution of nullable types. (#324)
* Fixed pretty-printing of nullable types.
Version 3.0.1 (2016-12-01)
--------------------------
### Fixed
* Fixed handling of nested `list()`s: If the nested list was unkeyed, it was directly included in
the list items. If it was keyed, it was wrapped in `ArrayItem`. Now nested `List_` nodes are
always wrapped in `ArrayItem`s. (#321)
Version 3.0.0 (2016-11-30)
--------------------------
### Added
* Added support for dumping node positions in the NodeDumper through the `dumpPositions` option.
* Added error recovery support for `$`, `new`, `Foo::`.
Version 3.0.0-beta2 (2016-10-29)
--------------------------------
This release primarily improves our support for error recovery.
### Added
* Added `Node::setDocComment()` method.
* Added `Error::getMessageWithColumnInfo()` method.
* Added support for recovery from lexer errors.
* Added support for recovering from "special" errors (i.e. non-syntax parse errors).
* Added precise location information for lexer errors.
* Added `ErrorHandler` interface, and `ErrorHandler\Throwing` and `ErrorHandler\Collecting` as
specific implementations. These provide a general mechanism for handling error recovery.
* Added optional `ErrorHandler` argument to `Parser::parse()`, `Lexer::startLexing()` and
`NameResolver::__construct()`.
* The `NameResolver` now adds a `namespacedName` attribute on name nodes that cannot be statically
resolved (unqualified unaliased function or constant names in namespaces).
### Fixed
* Fixed attribute assignment for `GroupUse` prefix and variables in interpolated strings.
### Changed
* The constants on `NameTraverserInterface` have been moved into the `NameTraverser` class.
* Due to the error handling changes, the `Parser` interface and `Lexer` API have changed.
* The emulative lexer now directly postprocesses tokens, instead of using `~__EMU__~` sequences.
This changes the protected API of the lexer.
* The `Name::slice()` method now returns `null` for empty slices, previously `new Name([])` was
used. `Name::concat()` now also supports concatenation with `null`.
### Removed
* Removed `Name::append()` and `Name::prepend()`. These mutable methods have been superseded by
the immutable `Name::concat()`.
* Removed `Error::getRawLine()` and `Error::setRawLine()`. These methods have been superseded by
`Error::getStartLine()` and `Error::setStartLine()`.
* Removed support for node cloning in the `NodeTraverser`.
* Removed `$separator` argument from `Name::toString()`.
* Removed `throw_on_error` parser option and `Parser::getErrors()` method. Use the `ErrorHandler`
mechanism instead.
Version 3.0.0-beta1 (2016-09-16)
--------------------------------
### Added
* [7.1] Function/method and parameter builders now support PHP 7.1 type hints (void, iterable and
nullable types).
* Nodes and Comments now implement `JsonSerializable`. The node kind is stored in a `nodeType`
property.
* The `InlineHTML` node now has an `hasLeadingNewline` attribute, that specifies whether the
preceding closing tag contained a newline. The pretty printer honors this attribute.
* Partial parsing of `$obj->` (with missing property name) is now supported in error recovery mode.
* The error recovery mode is now exposed in the `php-parse` script through the `--with-recovery`
or `-r` flags.
The following changes are also part of PHP-Parser 2.1.1:
* The PHP 7 parser will now generate a parse error for `$var =& new Obj` assignments.
* Comments on free-standing code blocks will now be retained as comments on the first statement in
the code block.
Version 3.0.0-alpha1 (2016-07-25)
---------------------------------
### Added
* [7.1] Added support for `void` and `iterable` types. These will now be represented as strings
(instead of `Name` instances) similar to other builtin types.
* [7.1] Added support for class constant visibility. The `ClassConst` node now has a `flags` subnode
holding the visibility modifier, as well as `isPublic()`, `isProtected()` and `isPrivate()`
methods. The constructor changed to accept the additional subnode.
* [7.1] Added support for nullable types. These are represented using a new `NullableType` node
with a single `type` subnode.
* [7.1] Added support for short array destructuring syntax. This means that `Array` nodes may now
appear as the left-hand-side of assignments and foreach value targets. Additionally the array
items may now contain `null` values if elements are skipped.
* [7.1] Added support for keys in list() destructuring. The `List` subnode `vars` has been renamed
to `items` and now contains `ArrayItem`s instead of plain variables.
* [7.1] Added support for multi-catch. The `Catch` subnode `type` has been renamed to `types` and
is now an array of `Name`s.
* `Name::slice()` now supports lengths and negative offsets. This brings it in line with
`array_slice()` functionality.
### Changed
Due to PHP 7.1 support additions described above, the node structure changed as follows:
* `void` and `iterable` types are now stored as strings if the PHP 7 parser is used.
* The `ClassConst` constructor changed to accept an additional `flags` subnode.
* The `Array` subnode `items` may now contain `null` elements (destructuring).
* The `List` subnode `vars` has been renamed to `items` and now contains `ArrayItem`s instead of
plain variables.
* The `Catch` subnode `type` has been renamed to `types` and is now an array of `Name`s.
Additionally the following changes were made:
* The `type` subnode on `Class`, `ClassMethod` and `Property` has been renamed to `flags`. The
`type` subnode has retained for backwards compatibility and is populated to the same value as
`flags`. However, writes to `type` will not update `flags`.
* The `TryCatch` subnode `finallyStmts` has been replaced with a `finally` subnode that holds an
explicit `Finally` node. This allows for more accurate attribute assignment.
* The `Trait` constructor now has the same form as the `Class` and `Interface` constructors: It
takes an array of subnodes. Unlike classes/interfaces, traits can only have a `stmts` subnode.
* The `NodeDumper` now prints class/method/property/constant modifiers, as well as the include and
use type in a textual representation, instead of only showing the number.
* All methods on `PrettyPrinter\Standard` are now protected. Previoulsy most of them were public.
### Removed
* Removed support for running on PHP 5.4. It is however still possible to parse PHP 5.2-5.4 code
while running on a newer version.
* The deprecated `Comment::setLine()` and `Comment::setText()` methods have been removed.
* The deprecated `Name::set()`, `Name::setFirst()` and `Name::setLast()` methods have been removed.
Version 2.1.1 (2016-09-16)
--------------------------
### Changed
* The pretty printer will now escape all control characters in the range `\x00-\x1F` inside double
quoted strings. If no special escape sequence is available, an octal escape will be used.
* The quality of the error recovery has been improved. In particular unterminated expressions should
be handled more gracefully.
* The PHP 7 parser will now generate a parse error for `$var =& new Obj` assignments.
* Comments on free-standing code blocks will no be retained as comments on the first statement in
the code block.
Version 2.1.0 (2016-04-19)
--------------------------
### Fixed
* Properly support `B""` strings (with uppercase `B`) in a number of places.
* Fixed reformatting of indented parts in a certain non-standard comment style.
### Added
* Added `dumpComments` option to node dumper, to enable dumping of comments associated with nodes.
* Added `Stmt\Nop` node, that is used to collect comments located at the end of a block or at the
end of a file (without a following node with which they could otherwise be associated).
* Added `kind` attribute to `Expr\Exit` to distinguish between `exit` and `die`.
* Added `kind` attribute to `Scalar\LNumber` to distinguish between decimal, binary, octal and
hexadecimal numbers.
* Added `kind` attribtue to `Expr\Array` to distinguish between `array()` and `[]`.
* Added `kind` attribute to `Scalar\String` and `Scalar\Encapsed` to distinguish between
single-quoted, double-quoted, heredoc and nowdoc string.
* Added `docLabel` attribute to `Scalar\String` and `Scalar\Encapsed`, if it is a heredoc or
nowdoc string.
* Added start file offset information to `Comment` nodes.
* Added `setReturnType()` method to function and method builders.
* Added `-h` and `--help` options to `php-parse` script.
### Changed
* Invalid octal literals now throw a parse error in PHP 7 mode.
* The pretty printer takes all the new attributes mentioned in the previous section into account.
* The protected `AbstractPrettyPrinter::pComments()` method no longer returns a trailing newline.
* The bundled autoloader supports library files being stored in a different directory than
`PhpParser` for easier downstream distribution.
### Deprecated
* The `Comment::setLine()` and `Comment::setText()` methods have been deprecated. Construct new
objects instead.
### Removed
* The internal (but public) method `Scalar\LNumber::parse()` has been removed. A non-internal
`LNumber::fromString()` method has been added instead.
Version 2.0.1 (2016-02-28)
--------------------------
### Fixed
* `declare() {}` and `declare();` are not semantically equivalent and will now result in different
ASTs. The format case will have an empty `stmts` array, while the latter will set `stmts` to
`null`.
* Magic constants are now supported as semi-reserved keywords.
* A shebang line like `#!/usr/bin/env php` is now allowed at the start of a namespaced file.
Previously this generated an exception.
* The `prettyPrintFile()` method will not strip a trailing `?>` from the raw data that follows a
`__halt_compiler()` statement.
* The `prettyPrintFile()` method will not strip an opening `<?php` if the file starts with a
comment followed by InlineHTML.
Version 2.0.0 (2015-12-04)
--------------------------
### Changed
* String parts of encapsed strings are now represented using `Scalar\EncapsStringPart` nodes.
Previously raw strings were used. This affects the `parts` child of `Scalar\Encaps` and
`Expr\ShellExec`. The change has been done to allow assignment of attributes to encapsed string
parts.
Version 2.0.0-beta1 (2015-10-21)
--------------------------------
### Fixed
* Fixed issue with too many newlines being stripped at the end of heredoc/nowdoc strings in some
cases. (#227)
### Changed
* Update group use support to be in line with recent PHP 7.0 builds.
* Renamed `php-parse.php` to `php-parse` and registered it as a composer bin.
* Use composer PSR-4 autoloader instead of custom autoloader.
* Specify phpunit as a dev dependency.
### Added
* Added `shortArraySyntax` option to pretty printer, to print all arrays using short syntax.
Version 2.0.0-alpha1 (2015-07-14)
---------------------------------
A more detailed description of backwards incompatible changes can be found in the
[upgrading guide](UPGRADE-2.0.md).
### Removed
* Removed support for running on PHP 5.3. It is however still possible to parse PHP 5.2 and PHP 5.3
code while running on a newer version.
* Removed legacy class name aliases. This includes the old non-namespaced class names and the old
names for classes that were renamed for PHP 7 compatibility.
* Removed support for legacy node format. All nodes must have a `getSubNodeNames()` method now.
### Added
* Added support for remaining PHP 7 features that were not present in 1.x:
* Group use declarations. These are represented using `Stmt\GroupUse` nodes. Furthermore a `type`
attribute was added to `Stmt\UseUse` to handle mixed group use declarations.
* Uniform variable syntax.
* Generalized yield operator.
* Scalar type declarations. These are presented using `'bool'`, `'int'`, `'float'` and `'string'`
as the type. The PHP 5 parser also accepts these, however they'll be `Name` instances there.
* Unicode escape sequences.
* Added `PhpParser\ParserFactory` class, which should be used to create parser instances.
* Added `Name::concat()` which concatenates two names.
* Added `Name->slice()` which takes a subslice of a name.
### Changed
* `PhpParser\Parser` is now an interface, implemented by `Parser\Php5`, `Parser\Php7` and
`Parser\Multiple`. The `Multiple` parser will try multiple parsers, until one succeeds.
* Token constants are now defined on `PhpParser\Parser\Tokens` rather than `PhpParser\Parser`.
* The `Name->set()`, `Name->append()`, `Name->prepend()` and `Name->setFirst()` methods are
deprecated in favor of `Name::concat()` and `Name->slice()`.
* The `NodeTraverser` no longer clones nodes by default. The old behavior can be restored by
passing `true` to the constructor.
* The constructor for `Scalar` nodes no longer has a default value. E.g. `new LNumber()` should now
be written as `new LNumber(0)`.
---
**This changelog only includes changes from the 2.0 series. For older changes see the
[1.x series changelog](https://github.com/nikic/PHP-Parser/blob/1.x/CHANGELOG.md) and the
[0.9 series changelog](https://github.com/nikic/PHP-Parser/blob/0.9/CHANGELOG.md).**

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Copyright (c) 2011 by Nikita Popov.
Some 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.
* The names of the contributors may not 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.

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PHP Parser
==========
[![Build Status](https://travis-ci.org/nikic/PHP-Parser.svg?branch=master)](https://travis-ci.org/nikic/PHP-Parser) [![Coverage Status](https://coveralls.io/repos/github/nikic/PHP-Parser/badge.svg?branch=master)](https://coveralls.io/github/nikic/PHP-Parser?branch=master)
This is a PHP 5.2 to PHP 7.1 parser written in PHP. Its purpose is to simplify static code analysis and
manipulation.
[**Documentation for version 3.x**][doc_master] (stable; for running on PHP >= 5.5; for parsing PHP 5.2 to PHP 7.1).
[Documentation for version 2.x][doc_2_x] (stable; for running on PHP >= 5.4; for parsing PHP 5.2 to PHP 7.0).
[Documentation for version 1.x][doc_1_x] (unsupported; for running on PHP >= 5.3; for parsing PHP 5.2 to PHP 5.6).
In a Nutshell
-------------
The parser turns PHP source code into an abstract syntax tree. For example, if you pass the following code into the
parser:
```php
<?php
echo 'Hi', 'World';
hello\world('foo', 'bar' . 'baz');
```
You'll get a syntax tree looking roughly like this:
```php
array(
0: Stmt_Echo(
exprs: array(
0: Scalar_String(
value: Hi
)
1: Scalar_String(
value: World
)
)
)
1: Expr_FuncCall(
name: Name(
parts: array(
0: hello
1: world
)
)
args: array(
0: Arg(
value: Scalar_String(
value: foo
)
byRef: false
)
1: Arg(
value: Expr_Concat(
left: Scalar_String(
value: bar
)
right: Scalar_String(
value: baz
)
)
byRef: false
)
)
)
)
```
You can then work with this syntax tree, for example to statically analyze the code (e.g. to find
programming errors or security issues).
Additionally, you can convert a syntax tree back to PHP code. This allows you to do code preprocessing
(like automatedly porting code to older PHP versions).
Installation
------------
The preferred installation method is [composer](https://getcomposer.org):
php composer.phar require nikic/php-parser
Documentation
-------------
1. [Introduction](doc/0_Introduction.markdown)
2. [Usage of basic components](doc/2_Usage_of_basic_components.markdown)
3. [Other node tree representations](doc/3_Other_node_tree_representations.markdown)
4. [Code generation](doc/4_Code_generation.markdown)
Component documentation:
1. [Error handling](doc/component/Error_handling.markdown)
2. [Lexer](doc/component/Lexer.markdown)
[doc_1_x]: https://github.com/nikic/PHP-Parser/tree/1.x/doc
[doc_2_x]: https://github.com/nikic/PHP-Parser/tree/2.x/doc
[doc_master]: https://github.com/nikic/PHP-Parser/tree/master/doc

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Upgrading from PHP-Parser 0.9 to 1.0
====================================
### PHP version requirements
PHP-Parser now requires PHP 5.3 or newer to run. It is however still possible to *parse* PHP 5.2 source code, while
running on a newer version.
### Move to namespaced names
The library has been moved to use namespaces with the `PhpParser` vendor prefix. However, the old names using
underscores are still available as aliases, as such most code should continue running on the new version without
further changes.
Old (still works, but discouraged):
```php
$parser = new \PHPParser_Parser(new \PHPParser_Lexer_Emulative);
$prettyPrinter = new \PHPParser_PrettyPrinter_Default;
```
New:
```php
$parser = new \PhpParser\Parser(new PhpParser\Lexer\Emulative);
$prettyPrinter = new \PhpParser\PrettyPrinter\Standard;
```
Note that the `PHPParser` prefix was changed to `PhpParser`. While PHP class names are technically case-insensitive,
the autoloader will not be able to load `PHPParser\Parser` or other case variants.
Due to conflicts with reserved keywords, some class names now end with an underscore, e.g. `PHPParser_Node_Stmt_Class`
is now `PhpParser\Node\Stmt\Class_`. (But as usual, the old name is still available.)
### Changes to `Node::getType()`
The `Node::getType()` method continues to return names using underscores instead of namespace separators and also does
not contain the trailing underscore that may be present in the class name. As such its output will not change in many
cases.
However, some node classes have been moved to a different namespace or renamed, which will result in a different
`Node::getType()` output:
```
Expr_AssignBitwiseAnd => Expr_AssignOp_BitwiseAnd
Expr_AssignBitwiseOr => Expr_AssignOp_BitwiseOr
Expr_AssignBitwiseXor => Expr_AssignOp_BitwiseXor
Expr_AssignConcat => Expr_AssignOp_Concat
Expr_AssignDiv => Expr_AssignOp_Div
Expr_AssignMinus => Expr_AssignOp_Minus
Expr_AssignMod => Expr_AssignOp_Mod
Expr_AssignMul => Expr_AssignOp_Mul
Expr_AssignPlus => Expr_AssignOp_Plus
Expr_AssignShiftLeft => Expr_AssignOp_ShiftLeft
Expr_AssignShiftRight => Expr_AssignOp_ShiftRight
Expr_BitwiseAnd => Expr_BinaryOp_BitwiseAnd
Expr_BitwiseOr => Expr_BinaryOp_BitwiseOr
Expr_BitwiseXor => Expr_BinaryOp_BitwiseXor
Expr_BooleanAnd => Expr_BinaryOp_BooleanAnd
Expr_BooleanOr => Expr_BinaryOp_BooleanOr
Expr_Concat => Expr_BinaryOp_Concat
Expr_Div => Expr_BinaryOp_Div
Expr_Equal => Expr_BinaryOp_Equal
Expr_Greater => Expr_BinaryOp_Greater
Expr_GreaterOrEqual => Expr_BinaryOp_GreaterOrEqual
Expr_Identical => Expr_BinaryOp_Identical
Expr_LogicalAnd => Expr_BinaryOp_LogicalAnd
Expr_LogicalOr => Expr_BinaryOp_LogicalOr
Expr_LogicalXor => Expr_BinaryOp_LogicalXor
Expr_Minus => Expr_BinaryOp_Minus
Expr_Mod => Expr_BinaryOp_Mod
Expr_Mul => Expr_BinaryOp_Mul
Expr_NotEqual => Expr_BinaryOp_NotEqual
Expr_NotIdentical => Expr_BinaryOp_NotIdentical
Expr_Plus => Expr_BinaryOp_Plus
Expr_ShiftLeft => Expr_BinaryOp_ShiftLeft
Expr_ShiftRight => Expr_BinaryOp_ShiftRight
Expr_Smaller => Expr_BinaryOp_Smaller
Expr_SmallerOrEqual => Expr_BinaryOp_SmallerOrEqual
Scalar_ClassConst => Scalar_MagicConst_Class
Scalar_DirConst => Scalar_MagicConst_Dir
Scalar_FileConst => Scalar_MagicConst_File
Scalar_FuncConst => Scalar_MagicConst_Function
Scalar_LineConst => Scalar_MagicConst_Line
Scalar_MethodConst => Scalar_MagicConst_Method
Scalar_NSConst => Scalar_MagicConst_Namespace
Scalar_TraitConst => Scalar_MagicConst_Trait
```
These changes may affect custom pretty printers and code comparing the return value of `Node::getType()` to specific
strings.
### Miscellaneous
* The classes `Template` and `TemplateLoader` have been removed. You should use some other [code generation][code_gen]
project built on top of PHP-Parser instead.
* The `PrettyPrinterAbstract::pStmts()` method now emits a leading newline if the statement list is not empty.
Custom pretty printers should remove the explicit newline before `pStmts()` calls.
Old:
```php
public function pStmt_Trait(PHPParser_Node_Stmt_Trait $node) {
return 'trait ' . $node->name
. "\n" . '{' . "\n" . $this->pStmts($node->stmts) . "\n" . '}';
}
```
New:
```php
public function pStmt_Trait(Stmt\Trait_ $node) {
return 'trait ' . $node->name
. "\n" . '{' . $this->pStmts($node->stmts) . "\n" . '}';
}
```
[code_gen]: https://github.com/nikic/PHP-Parser/wiki/Projects-using-the-PHP-Parser#code-generation

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Upgrading from PHP-Parser 1.x to 2.0
====================================
### PHP version requirements
PHP-Parser now requires PHP 5.4 or newer to run. It is however still possible to *parse* PHP 5.2 and
PHP 5.3 source code, while running on a newer version.
### Creating a parser instance
Parser instances should now be created through the `ParserFactory`. Old direct instantiation code
will not work, because the parser class was renamed.
Old:
```php
use PhpParser\Parser, PhpParser\Lexer;
$parser = new Parser(new Lexer\Emulative);
```
New:
```php
use PhpParser\ParserFactory;
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
```
The first argument to `ParserFactory` determines how different PHP versions are handled. The
possible values are:
* `ParserFactory::PREFER_PHP7`: Try to parse code as PHP 7. If this fails, try to parse it as PHP 5.
* `ParserFactory::PREFER_PHP5`: Try to parse code as PHP 5. If this fails, try to parse it as PHP 7.
* `ParserFactory::ONLY_PHP7`: Parse code as PHP 7.
* `ParserFactory::ONLY_PHP5`: Parse code as PHP 5.
For most practical purposes the difference between `PREFER_PHP7` and `PREFER_PHP5` is mainly whether
a scalar type hint like `string` will be stored as `'string'` (PHP 7) or as `new Name('string')`
(PHP 5).
To use a custom lexer, pass it as the second argument to the `create()` method:
```php
use PhpParser\ParserFactory;
$lexer = new MyLexer;
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7, $lexer);
```
### Rename of the `PhpParser\Parser` class
`PhpParser\Parser` is now an interface, which is implemented by `Parser\Php5`, `Parser\Php7` and
`Parser\Multiple`. Parser tokens are now defined in `Parser\Tokens`. If you use the `ParserFactory`
described above to create your parser instance, these changes should have no further impact on you.
### Removal of legacy aliases
All legacy aliases for classes have been removed. This includes the old non-namespaced `PHPParser_`
classes, as well as the classes that had to be renamed for PHP 7 support.
### Deprecations
The `set()`, `setFirst()`, `append()` and `prepend()` methods of the `Node\Name` class have been
deprecated. Instead `Name::concat()` and `Name->slice()` should be used.
### Miscellaneous
* The `NodeTraverser` no longer clones nodes by default. If you want to restore the old behavior,
pass `true` to the constructor.
* The legacy node format has been removed. If you use custom nodes, they are now expected to
implement a `getSubNodeNames()` method.
* The default value for `Scalar` node constructors was removed. This means that something like
`new LNumber()` should be replaced by `new LNumber(0)`.
* String parts of encapsed strings are now represented using `Scalar\EncapsStringPart` nodes, while
previously raw strings were used. This affects the `parts` child of `Scalar\Encaps` and
`Expr\ShellExec`.

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Upgrading from PHP-Parser 2.x to 3.0
====================================
The backwards-incompatible changes in this release may be summarized as follows:
* The specific details of the node representation have changed in some cases, primarily to
accomodate new PHP 7.1 features.
* There have been significant changes to the error recovery implementation. This may affect you,
if you used the error recovery mode or have a custom lexer implementation.
* A number of deprecated methods were removed.
### PHP version requirements
PHP-Parser now requires PHP 5.5 or newer to run. It is however still possible to *parse* PHP 5.2,
5.3 and 5.4 source code, while running on a newer version.
### Changes to the node structure
The following changes are likely to require code changes if the respective nodes are used:
* The `List` subnode `vars` has been renamed to `items` and now contains `ArrayItem`s instead of
plain variables.
* The `Catch` subnode `type` has been renamed to `types` and is now an array of `Name`s.
* The `TryCatch` subnode `finallyStmts` has been replaced with a `finally` subnode that holds an
explicit `Finally` node.
* The `type` subnode on `Class`, `ClassMethod` and `Property` has been renamed to `flags`. The
`type` subnode has retained for backwards compatibility and is populated to the same value as
`flags`. However, writes to `type` will not update `flags` and use of `type` is discouraged.
The following changes are unlikely to require code changes:
* The `ClassConst` constructor changed to accept an additional `flags` subnode.
* The `Trait` constructor now has the same form as the `Class` and `Interface` constructors: It
takes an array of subnodes. Unlike classes/interfaces, traits can only have a `stmts` subnode.
* The `Array` subnode `items` may now contain `null` elements (due to destructuring).
* `void` and `iterable` types are now stored as strings if the PHP 7 parser is used. Previously
these would have been represented as `Name` instances.
### Changes to error recovery mode
Previously, error recovery mode was enabled by setting the `throwOnError` option to `false` when
creating the parser, while collected errors were retrieved using the `getErrors()` method:
```php
$lexer = ...;
$parser = (new ParserFactory)->create(ParserFactor::ONLY_PHP7, $lexer, [
'throwOnError' => true,
]);
$stmts = $parser->parse($code);
$errors = $parser->getErrors();
if ($errors) {
handleErrors($errors);
}
processAst($stmts);
```
Both the `throwOnError` option and the `getErrors()` method have been removed in PHP-Parser 3.0.
Instead an instance of `ErrorHandler\Collecting` should be passed to the `parse()` method:
```php
$lexer = ...;
$parser = (new ParserFactory)->create(ParserFactor::ONLY_PHP7, $lexer);
$errorHandler = new ErrorHandler\Collecting;
$stmts = $parser->parse($code, $errorHandler);
if ($errorHandler->hasErrors()) {
handleErrors($errorHandler->getErrors());
}
processAst($stmts);
```
#### Multiple parser fallback in error recovery mode
As a result of this change, if a `Multiple` parser is used (e.g. through the `ParserFactory` using
`PREFER_PHP7` or `PREFER_PHP5`), it will now return the result of the first *non-throwing* parse. As
parsing never throws in error recovery mode, the result from the first parser will always be
returned.
The PHP 7 parser is a superset of the PHP 5 parser, with the exceptions that `=& new` and
`global $$foo->bar` are not supported (other differences are in representation only). The PHP 7
parser will be able to recover from the error in both cases. For this reason, this change will
likely pass unnoticed if you do not specifically test for this syntax.
It is possible to restore the precise previous behavior with the following code:
```php
$lexer = ...;
$parser7 = new Parser\Php7($lexer);
$parser5 = new Parser\Php5($lexer);
$errors7 = new ErrorHandler\Collecting();
$stmts7 = $parser7->parse($code, $errors7);
if ($errors7->hasErrors()) {
$errors5 = new ErrorHandler\Collecting();
$stmts5 = $parser5->parse($code, $errors5);
if (!$errors5->hasErrors()) {
// If PHP 7 parse has errors but PHP 5 parse has no errors, use PHP 5 result
return [$stmts5, $errors5];
}
}
// If PHP 7 succeeds or both fail use PHP 7 result
return [$stmts7, $errors7];
```
#### Error handling in the lexer
In order to support recovery from lexer errors, the signature of the `startLexing()` method changed
to optionally accept an `ErrorHandler`:
```php
// OLD
public function startLexing($code);
// NEW
public function startLexing($code, ErrorHandler $errorHandler = null);
```
If you use a custom lexer with overriden `startLexing()` method, it needs to be changed to accept
the extra parameter. The value should be passed on to the parent method.
#### Error checks in node constructors
The constructors of certain nodes used to contain additional checks for semantic errors, such as
creating a try block without either catch or finally. These checks have been moved from the node
constructors into the parser. This allows recovery from such errors, as well as representing the
resulting (invalid) AST.
This means that certain error conditions are no longer checked for manually constructed nodes.
### Removed methods, arguments, options
The following methods, arguments or options have been removed:
* `Comment::setLine()`, `Comment::setText()`: Create new `Comment` instances instead.
* `Name::set()`, `Name::setFirst()`, `Name::setLast()`, `Name::append()`, `Name::prepend()`:
Use `Name::concat()` in combination with `Name::slice()` instead.
* `Error::getRawLine()`, `Error::setRawLine()`. Use `Error::getStartLine()` and
`Error::setStartLine()` instead.
* `Parser::getErrors()`. Use `ErrorHandler\Collecting` instead.
* `$separator` argument of `Name::toString()`. Use `strtr()` instead, if you really need it.
* `$cloneNodes` argument of `NodeTraverser::__construct()`. Explicitly clone nodes in the visitor
instead.
* `throwOnError` parser option. Use `ErrorHandler\Collecting` instead.
### Miscellaneous
* The `NameResolver` will now resolve unqualified function and constant names in the global
namespace into fully qualified names. For example `foo()` in the global namespace resolves to
`\foo()`. For names where no static resolution is possible, a `namespacedName` attribute is
added now, containing the namespaced variant of the name.
* All methods on `PrettyPrinter\Standard` are now protected. Previoulsy most of them were public.
The pretty printer should only be invoked using the `prettyPrint()`, `prettyPrintFile()` and
`prettyPrintExpr()` methods.
* The node dumper now prints numeric values that act as enums/flags in a string representation.
If node dumper results are used in tests, updates may be needed to account for this.
* The constants on `NameTraverserInterface` have been moved into the `NameTraverser` class.
* The emulative lexer now directly postprocesses tokens, instead of using `~__EMU__~` sequences.
This changes the protected API of the emulative lexer.
* The `Name::slice()` method now returns `null` for empty slices, previously `new Name([])` was
used. `Name::concat()` now also supports concatenation with `null`.

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#!/usr/bin/env php
<?php
foreach ([__DIR__ . '/../../../autoload.php', __DIR__ . '/../vendor/autoload.php'] as $file) {
if (file_exists($file)) {
require $file;
break;
}
}
ini_set('xdebug.max_nesting_level', 3000);
// Disable XDebug var_dump() output truncation
ini_set('xdebug.var_display_max_children', -1);
ini_set('xdebug.var_display_max_data', -1);
ini_set('xdebug.var_display_max_depth', -1);
list($operations, $files, $attributes) = parseArgs($argv);
/* Dump nodes by default */
if (empty($operations)) {
$operations[] = 'dump';
}
if (empty($files)) {
showHelp("Must specify at least one file.");
}
$lexer = new PhpParser\Lexer\Emulative(array('usedAttributes' => array(
'startLine', 'endLine', 'startFilePos', 'endFilePos', 'comments'
)));
$parser = (new PhpParser\ParserFactory)->create(
PhpParser\ParserFactory::PREFER_PHP7,
$lexer
);
$dumper = new PhpParser\NodeDumper([
'dumpComments' => true,
'dumpPositions' => $attributes['with-positions'],
]);
$prettyPrinter = new PhpParser\PrettyPrinter\Standard;
$serializer = new PhpParser\Serializer\XML;
$traverser = new PhpParser\NodeTraverser();
$traverser->addVisitor(new PhpParser\NodeVisitor\NameResolver);
foreach ($files as $file) {
if (strpos($file, '<?php') === 0) {
$code = $file;
echo "====> Code $code\n";
} else {
if (!file_exists($file)) {
die("File $file does not exist.\n");
}
$code = file_get_contents($file);
echo "====> File $file:\n";
}
if ($attributes['with-recovery']) {
$errorHandler = new PhpParser\ErrorHandler\Collecting;
$stmts = $parser->parse($code, $errorHandler);
foreach ($errorHandler->getErrors() as $error) {
$message = formatErrorMessage($error, $code, $attributes['with-column-info']);
echo $message . "\n";
}
if (null === $stmts) {
continue;
}
} else {
try {
$stmts = $parser->parse($code);
} catch (PhpParser\Error $error) {
$message = formatErrorMessage($error, $code, $attributes['with-column-info']);
die($message . "\n");
}
}
foreach ($operations as $operation) {
if ('dump' === $operation) {
echo "==> Node dump:\n";
echo $dumper->dump($stmts, $code), "\n";
} elseif ('pretty-print' === $operation) {
echo "==> Pretty print:\n";
echo $prettyPrinter->prettyPrintFile($stmts), "\n";
} elseif ('serialize-xml' === $operation) {
echo "==> Serialized XML:\n";
echo $serializer->serialize($stmts), "\n";
} elseif ('var-dump' === $operation) {
echo "==> var_dump():\n";
var_dump($stmts);
} elseif ('resolve-names' === $operation) {
echo "==> Resolved names.\n";
$stmts = $traverser->traverse($stmts);
}
}
}
function formatErrorMessage(PhpParser\Error $e, $code, $withColumnInfo) {
if ($withColumnInfo && $e->hasColumnInfo()) {
return $e->getMessageWithColumnInfo($code);
} else {
return $e->getMessage();
}
}
function showHelp($error = '') {
if ($error) {
echo $error . "\n\n";
}
die(<<<OUTPUT
Usage: php-parse [operations] file1.php [file2.php ...]
or: php-parse [operations] "<?php code"
Turn PHP source code into an abstract syntax tree.
Operations is a list of the following options (--dump by default):
-d, --dump Dump nodes using NodeDumper
-p, --pretty-print Pretty print file using PrettyPrinter\Standard
--serialize-xml Serialize nodes using Serializer\XML
--var-dump var_dump() nodes (for exact structure)
-N, --resolve-names Resolve names using NodeVisitor\NameResolver
-c, --with-column-info Show column-numbers for errors (if available)
-P, --with-positions Show positions in node dumps
-r, --with-recovery Use parsing with error recovery
-h, --help Display this page
Example:
php-parse -d -p -N -d file.php
Dumps nodes, pretty prints them, then resolves names and dumps them again.
OUTPUT
);
}
function parseArgs($args) {
$operations = array();
$files = array();
$attributes = array(
'with-column-info' => false,
'with-positions' => false,
'with-recovery' => false,
);
array_shift($args);
$parseOptions = true;
foreach ($args as $arg) {
if (!$parseOptions) {
$files[] = $arg;
continue;
}
switch ($arg) {
case '--dump':
case '-d':
$operations[] = 'dump';
break;
case '--pretty-print':
case '-p':
$operations[] = 'pretty-print';
break;
case '--serialize-xml':
$operations[] = 'serialize-xml';
break;
case '--var-dump':
$operations[] = 'var-dump';
break;
case '--resolve-names':
case '-N';
$operations[] = 'resolve-names';
break;
case '--with-column-info':
case '-c';
$attributes['with-column-info'] = true;
break;
case '--with-positions':
case '-P':
$attributes['with-positions'] = true;
break;
case '--with-recovery':
case '-r':
$attributes['with-recovery'] = true;
break;
case '--help':
case '-h';
showHelp();
break;
case '--':
$parseOptions = false;
break;
default:
if ($arg[0] === '-') {
showHelp("Invalid operation $arg.");
} else {
$files[] = $arg;
}
}
}
return array($operations, $files, $attributes);
}

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{
"name": "nikic/php-parser",
"description": "A PHP parser written in PHP",
"keywords": ["php", "parser"],
"type": "library",
"license": "BSD-3-Clause",
"authors": [
{
"name": "Nikita Popov"
}
],
"require": {
"php": ">=5.5",
"ext-tokenizer": "*"
},
"require-dev": {
"phpunit/phpunit": "~4.0|~5.0"
},
"autoload": {
"psr-4": {
"PhpParser\\": "lib/PhpParser"
}
},
"bin": ["bin/php-parse"],
"extra": {
"branch-alias": {
"dev-master": "3.0-dev"
}
}
}

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Introduction
============
This project is a PHP 5.2 to PHP 7.1 parser **written in PHP itself**.
What is this for?
-----------------
A parser is useful for [static analysis][0], manipulation of code and basically any other
application dealing with code programmatically. A parser constructs an [Abstract Syntax Tree][1]
(AST) of the code and thus allows dealing with it in an abstract and robust way.
There are other ways of processing source code. One that PHP supports natively is using the
token stream generated by [`token_get_all`][2]. The token stream is much more low level than
the AST and thus has different applications: It allows to also analyze the exact formatting of
a file. On the other hand the token stream is much harder to deal with for more complex analysis.
For example an AST abstracts away the fact that in PHP variables can be written as `$foo`, but also
as `$$bar`, `${'foobar'}` or even `${!${''}=barfoo()}`. You don't have to worry about recognizing
all the different syntaxes from a stream of tokens.
Another question is: Why would I want to have a PHP parser *written in PHP*? Well, PHP might not be
a language especially suited for fast parsing, but processing the AST is much easier in PHP than it
would be in other, faster languages like C. Furthermore the people most probably wanting to do
programmatic PHP code analysis are incidentally PHP developers, not C developers.
What can it parse?
------------------
The parser supports parsing PHP 5.2-5.6 and PHP 7.
As the parser is based on the tokens returned by `token_get_all` (which is only able to lex the PHP
version it runs on), additionally a wrapper for emulating tokens from newer versions is provided.
This allows to parse PHP 7.1 source code running on PHP 5.5, for example. This emulation is somewhat
hacky and not perfect, but it should work well on any sane code.
What output does it produce?
----------------------------
The parser produces an [Abstract Syntax Tree][1] (AST) also known as a node tree. How this looks like
can best be seen in an example. The program `<?php echo 'Hi', 'World';` will give you a node tree
roughly looking like this:
```
array(
0: Stmt_Echo(
exprs: array(
0: Scalar_String(
value: Hi
)
1: Scalar_String(
value: World
)
)
)
)
```
This matches the structure of the code: An echo statement, which takes two strings as expressions,
with the values `Hi` and `World!`.
You can also see that the AST does not contain any whitespace information (but most comments are saved).
So using it for formatting analysis is not possible.
What else can it do?
--------------------
Apart from the parser itself this package also bundles support for some other, related features:
* Support for pretty printing, which is the act of converting an AST into PHP code. Please note
that "pretty printing" does not imply that the output is especially pretty. It's just how it's
called ;)
* Support for serializing and unserializing the node tree to XML
* Support for dumping the node tree in a human readable form (see the section above for an
example of how the output looks like)
* Infrastructure for traversing and changing the AST (node traverser and node visitors)
* A node visitor for resolving namespaced names
[0]: http://en.wikipedia.org/wiki/Static_program_analysis
[1]: http://en.wikipedia.org/wiki/Abstract_syntax_tree
[2]: http://php.net/token_get_all

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Usage of basic components
=========================
This document explains how to use the parser, the pretty printer and the node traverser.
Bootstrapping
-------------
To bootstrap the library, include the autoloader generated by composer:
```php
require 'path/to/vendor/autoload.php';
```
Additionally you may want to set the `xdebug.max_nesting_level` ini option to a higher value:
```php
ini_set('xdebug.max_nesting_level', 3000);
```
This ensures that there will be no errors when traversing highly nested node trees. However, it is
preferable to disable XDebug completely, as it can easily make this library more than five times
slower.
Parsing
-------
In order to parse code, you first have to create a parser instance:
```php
use PhpParser\ParserFactory;
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
```
The factory accepts a kind argument, that determines how different PHP versions are treated:
Kind | Behavior
-----|---------
`ParserFactory::PREFER_PHP7` | Try to parse code as PHP 7. If this fails, try to parse it as PHP 5.
`ParserFactory::PREFER_PHP5` | Try to parse code as PHP 5. If this fails, try to parse it as PHP 7.
`ParserFactory::ONLY_PHP7` | Parse code as PHP 7.
`ParserFactory::ONLY_PHP5` | Parse code as PHP 5.
Unless you have strong reason to use something else, `PREFER_PHP7` is a reasonable default.
The `create()` method optionally accepts a `Lexer` instance as the second argument. Some use cases
that require customized lexers are discussed in the [lexer documentation](component/Lexer.markdown).
Subsequently you can pass PHP code (including the opening `<?php` tag) to the `parse` method in order to
create a syntax tree. If a syntax error is encountered, an `PhpParser\Error` exception will be thrown:
```php
use PhpParser\Error;
use PhpParser\ParserFactory;
$code = '<?php // some code';
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
try {
$stmts = $parser->parse($code);
// $stmts is an array of statement nodes
} catch (Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
A parser instance can be reused to parse multiple files.
Node tree
---------
If you use the above code with `$code = "<?php echo 'Hi ', hi\\getTarget();"` the parser will
generate a node tree looking like this:
```
array(
0: Stmt_Echo(
exprs: array(
0: Scalar_String(
value: Hi
)
1: Expr_FuncCall(
name: Name(
parts: array(
0: hi
1: getTarget
)
)
args: array(
)
)
)
)
)
```
Thus `$stmts` will contain an array with only one node, with this node being an instance of
`PhpParser\Node\Stmt\Echo_`.
As PHP is a large language there are approximately 140 different nodes. In order to make work
with them easier they are grouped into three categories:
* `PhpParser\Node\Stmt`s are statement nodes, i.e. language constructs that do not return
a value and can not occur in an expression. For example a class definition is a statement.
It doesn't return a value and you can't write something like `func(class A {});`.
* `PhpParser\Node\Expr`s are expression nodes, i.e. language constructs that return a value
and thus can occur in other expressions. Examples of expressions are `$var`
(`PhpParser\Node\Expr\Variable`) and `func()` (`PhpParser\Node\Expr\FuncCall`).
* `PhpParser\Node\Scalar`s are nodes representing scalar values, like `'string'`
(`PhpParser\Node\Scalar\String_`), `0` (`PhpParser\Node\Scalar\LNumber`) or magic constants
like `__FILE__` (`PhpParser\Node\Scalar\MagicConst\File`). All `PhpParser\Node\Scalar`s extend
`PhpParser\Node\Expr`, as scalars are expressions, too.
* There are some nodes not in either of these groups, for example names (`PhpParser\Node\Name`)
and call arguments (`PhpParser\Node\Arg`).
Some node class names have a trailing `_`. This is used whenever the class name would otherwise clash
with a PHP keyword.
Every node has a (possibly zero) number of subnodes. You can access subnodes by writing
`$node->subNodeName`. The `Stmt\Echo_` node has only one subnode `exprs`. So in order to access it
in the above example you would write `$stmts[0]->exprs`. If you wanted to access the name of the function
call, you would write `$stmts[0]->exprs[1]->name`.
All nodes also define a `getType()` method that returns the node type. The type is the class name
without the `PhpParser\Node\` prefix and `\` replaced with `_`. It also does not contain a trailing
`_` for reserved-keyword class names.
It is possible to associate custom metadata with a node using the `setAttribute()` method. This data
can then be retrieved using `hasAttribute()`, `getAttribute()` and `getAttributes()`.
By default the lexer adds the `startLine`, `endLine` and `comments` attributes. `comments` is an array
of `PhpParser\Comment[\Doc]` instances.
The start line can also be accessed using `getLine()`/`setLine()` (instead of `getAttribute('startLine')`).
The last doc comment from the `comments` attribute can be obtained using `getDocComment()`.
Pretty printer
--------------
The pretty printer component compiles the AST back to PHP code. As the parser does not retain formatting
information the formatting is done using a specified scheme. Currently there is only one scheme available,
namely `PhpParser\PrettyPrinter\Standard`.
```php
use PhpParser\Error;
use PhpParser\ParserFactory;
use PhpParser\PrettyPrinter;
$code = "<?php echo 'Hi ', hi\\getTarget();";
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$prettyPrinter = new PrettyPrinter\Standard;
try {
// parse
$stmts = $parser->parse($code);
// change
$stmts[0] // the echo statement
->exprs // sub expressions
[0] // the first of them (the string node)
->value // it's value, i.e. 'Hi '
= 'Hello '; // change to 'Hello '
// pretty print
$code = $prettyPrinter->prettyPrint($stmts);
echo $code;
} catch (Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
The above code will output:
<?php echo 'Hello ', hi\getTarget();
As you can see the source code was first parsed using `PhpParser\Parser->parse()`, then changed and then
again converted to code using `PhpParser\PrettyPrinter\Standard->prettyPrint()`.
The `prettyPrint()` method pretty prints a statements array. It is also possible to pretty print only a
single expression using `prettyPrintExpr()`.
The `prettyPrintFile()` method can be used to print an entire file. This will include the opening `<?php` tag
and handle inline HTML as the first/last statement more gracefully.
Node traversation
-----------------
The above pretty printing example used the fact that the source code was known and thus it was easy to
write code that accesses a certain part of a node tree and changes it. Normally this is not the case.
Usually you want to change / analyze code in a generic way, where you don't know how the node tree is
going to look like.
For this purpose the parser provides a component for traversing and visiting the node tree. The basic
structure of a program using this `PhpParser\NodeTraverser` looks like this:
```php
use PhpParser\NodeTraverser;
use PhpParser\ParserFactory;
use PhpParser\PrettyPrinter;
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$traverser = new NodeTraverser;
$prettyPrinter = new PrettyPrinter\Standard;
// add your visitor
$traverser->addVisitor(new MyNodeVisitor);
try {
$code = file_get_contents($fileName);
// parse
$stmts = $parser->parse($code);
// traverse
$stmts = $traverser->traverse($stmts);
// pretty print
$code = $prettyPrinter->prettyPrintFile($stmts);
echo $code;
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
The corresponding node visitor might look like this:
```php
use PhpParser\Node;
use PhpParser\NodeVisitorAbstract;
class MyNodeVisitor extends NodeVisitorAbstract
{
public function leaveNode(Node $node) {
if ($node instanceof Node\Scalar\String_) {
$node->value = 'foo';
}
}
}
```
The above node visitor would change all string literals in the program to `'foo'`.
All visitors must implement the `PhpParser\NodeVisitor` interface, which defines the following four
methods:
```php
public function beforeTraverse(array $nodes);
public function enterNode(\PhpParser\Node $node);
public function leaveNode(\PhpParser\Node $node);
public function afterTraverse(array $nodes);
```
The `beforeTraverse()` method is called once before the traversal begins and is passed the nodes the
traverser was called with. This method can be used for resetting values before traversation or
preparing the tree for traversal.
The `afterTraverse()` method is similar to the `beforeTraverse()` method, with the only difference that
it is called once after the traversal.
The `enterNode()` and `leaveNode()` methods are called on every node, the former when it is entered,
i.e. before its subnodes are traversed, the latter when it is left.
All four methods can either return the changed node or not return at all (i.e. `null`) in which
case the current node is not changed.
The `enterNode()` method can additionally return the value `NodeTraverser::DONT_TRAVERSE_CHILDREN`,
which instructs the traverser to skip all children of the current node.
The `leaveNode()` method can additionally return the value `NodeTraverser::REMOVE_NODE`, in which
case the current node will be removed from the parent array. Furthermore it is possible to return
an array of nodes, which will be merged into the parent array at the offset of the current node.
I.e. if in `array(A, B, C)` the node `B` should be replaced with `array(X, Y, Z)` the result will
be `array(A, X, Y, Z, C)`.
Instead of manually implementing the `NodeVisitor` interface you can also extend the `NodeVisitorAbstract`
class, which will define empty default implementations for all the above methods.
The NameResolver node visitor
-----------------------------
One visitor is already bundled with the package: `PhpParser\NodeVisitor\NameResolver`. This visitor
helps you work with namespaced code by trying to resolve most names to fully qualified ones.
For example, consider the following code:
use A as B;
new B\C();
In order to know that `B\C` really is `A\C` you would need to track aliases and namespaces yourself.
The `NameResolver` takes care of that and resolves names as far as possible.
After running it most names will be fully qualified. The only names that will stay unqualified are
unqualified function and constant names. These are resolved at runtime and thus the visitor can't
know which function they are referring to. In most cases this is a non-issue as the global functions
are meant.
Also the `NameResolver` adds a `namespacedName` subnode to class, function and constant declarations
that contains the namespaced name instead of only the shortname that is available via `name`.
Example: Converting namespaced code to pseudo namespaces
--------------------------------------------------------
A small example to understand the concept: We want to convert namespaced code to pseudo namespaces
so it works on 5.2, i.e. names like `A\\B` should be converted to `A_B`. Note that such conversions
are fairly complicated if you take PHP's dynamic features into account, so our conversion will
assume that no dynamic features are used.
We start off with the following base code:
```php
use PhpParser\ParserFactory;
use PhpParser\PrettyPrinter;
use PhpParser\NodeTraverser;
use PhpParser\NodeVisitor\NameResolver;
$inDir = '/some/path';
$outDir = '/some/other/path';
$parser = (new ParserFactory)->create(ParserFactory::PREFER_PHP7);
$traverser = new NodeTraverser;
$prettyPrinter = new PrettyPrinter\Standard;
$traverser->addVisitor(new NameResolver); // we will need resolved names
$traverser->addVisitor(new NamespaceConverter); // our own node visitor
// iterate over all .php files in the directory
$files = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($inDir));
$files = new \RegexIterator($files, '/\.php$/');
foreach ($files as $file) {
try {
// read the file that should be converted
$code = file_get_contents($file);
// parse
$stmts = $parser->parse($code);
// traverse
$stmts = $traverser->traverse($stmts);
// pretty print
$code = $prettyPrinter->prettyPrintFile($stmts);
// write the converted file to the target directory
file_put_contents(
substr_replace($file->getPathname(), $outDir, 0, strlen($inDir)),
$code
);
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
}
```
Now lets start with the main code, the `NodeVisitor\NamespaceConverter`. One thing it needs to do
is convert `A\\B` style names to `A_B` style ones.
```php
use PhpParser\Node;
class NamespaceConverter extends \PhpParser\NodeVisitorAbstract
{
public function leaveNode(Node $node) {
if ($node instanceof Node\Name) {
return new Node\Name($node->toString('_'));
}
}
}
```
The above code profits from the fact that the `NameResolver` already resolved all names as far as
possible, so we don't need to do that. We only need to create a string with the name parts separated
by underscores instead of backslashes. This is what `$node->toString('_')` does. (If you want to
create a name with backslashes either write `$node->toString()` or `(string) $node`.) Then we create
a new name from the string and return it. Returning a new node replaces the old node.
Another thing we need to do is change the class/function/const declarations. Currently they contain
only the shortname (i.e. the last part of the name), but they need to contain the complete name including
the namespace prefix:
```php
use PhpParser\Node;
use PhpParser\Node\Stmt;
class NodeVisitor_NamespaceConverter extends \PhpParser\NodeVisitorAbstract
{
public function leaveNode(Node $node) {
if ($node instanceof Node\Name) {
return new Node\Name($node->toString('_'));
} elseif ($node instanceof Stmt\Class_
|| $node instanceof Stmt\Interface_
|| $node instanceof Stmt\Function_) {
$node->name = $node->namespacedName->toString('_');
} elseif ($node instanceof Stmt\Const_) {
foreach ($node->consts as $const) {
$const->name = $const->namespacedName->toString('_');
}
}
}
}
```
There is not much more to it than converting the namespaced name to string with `_` as separator.
The last thing we need to do is remove the `namespace` and `use` statements:
```php
use PhpParser\Node;
use PhpParser\Node\Stmt;
class NodeVisitor_NamespaceConverter extends \PhpParser\NodeVisitorAbstract
{
public function leaveNode(Node $node) {
if ($node instanceof Node\Name) {
return new Node\Name($node->toString('_'));
} elseif ($node instanceof Stmt\Class_
|| $node instanceof Stmt\Interface_
|| $node instanceof Stmt\Function_) {
$node->name = $node->namespacedName->toString('_');
} elseif ($node instanceof Stmt\Const_) {
foreach ($node->consts as $const) {
$const->name = $const->namespacedName->toString('_');
}
} elseif ($node instanceof Stmt\Namespace_) {
// returning an array merges is into the parent array
return $node->stmts;
} elseif ($node instanceof Stmt\Use_) {
// returning false removed the node altogether
return false;
}
}
}
```
That's all.

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Other node tree representations
===============================
It is possible to convert the AST into several textual representations, which serve different uses.
Simple serialization
--------------------
It is possible to serialize the node tree using `serialize()` and also unserialize it using
`unserialize()`. The output is not human readable and not easily processable from anything
but PHP, but it is compact and generates quickly. The main application thus is in caching.
Human readable dumping
----------------------
Furthermore it is possible to dump nodes into a human readable format using the `dump` method of
`PhpParser\NodeDumper`. This can be used for debugging.
```php
$code = <<<'CODE'
<?php
function printLine($msg) {
echo $msg, "\n";
}
printLine('Hello World!!!');
CODE;
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7);
$nodeDumper = new PhpParser\NodeDumper;
try {
$stmts = $parser->parse($code);
echo $nodeDumper->dump($stmts), "\n";
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
The above script will have an output looking roughly like this:
```
array(
0: Stmt_Function(
byRef: false
params: array(
0: Param(
name: msg
default: null
type: null
byRef: false
)
)
stmts: array(
0: Stmt_Echo(
exprs: array(
0: Expr_Variable(
name: msg
)
1: Scalar_String(
value:
)
)
)
)
name: printLine
)
1: Expr_FuncCall(
name: Name(
parts: array(
0: printLine
)
)
args: array(
0: Arg(
value: Scalar_String(
value: Hello World!!!
)
byRef: false
)
)
)
)
```
JSON encoding
-------------
Nodes (and comments) implement the `JsonSerializable` interface. As such, it is possible to JSON
encode the AST directly using `json_encode()`:
```php
$code = <<<'CODE'
<?php
function printLine($msg) {
echo $msg, "\n";
}
printLine('Hello World!!!');
CODE;
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7);
$nodeDumper = new PhpParser\NodeDumper;
try {
$stmts = $parser->parse($code);
echo json_encode($stmts, JSON_PRETTY_PRINT), "\n";
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
This will result in the following output (which includes attributes):
```json
[
{
"nodeType": "Stmt_Function",
"byRef": false,
"name": "printLine",
"params": [
{
"nodeType": "Param",
"type": null,
"byRef": false,
"variadic": false,
"name": "msg",
"default": null,
"attributes": {
"startLine": 3,
"endLine": 3
}
}
],
"returnType": null,
"stmts": [
{
"nodeType": "Stmt_Echo",
"exprs": [
{
"nodeType": "Expr_Variable",
"name": "msg",
"attributes": {
"startLine": 4,
"endLine": 4
}
},
{
"nodeType": "Scalar_String",
"value": "\n",
"attributes": {
"startLine": 4,
"endLine": 4,
"kind": 2
}
}
],
"attributes": {
"startLine": 4,
"endLine": 4
}
}
],
"attributes": {
"startLine": 3,
"endLine": 5
}
},
{
"nodeType": "Expr_FuncCall",
"name": {
"nodeType": "Name",
"parts": [
"printLine"
],
"attributes": {
"startLine": 7,
"endLine": 7
}
},
"args": [
{
"nodeType": "Arg",
"value": {
"nodeType": "Scalar_String",
"value": "Hello World!!!",
"attributes": {
"startLine": 7,
"endLine": 7,
"kind": 1
}
},
"byRef": false,
"unpack": false,
"attributes": {
"startLine": 7,
"endLine": 7
}
}
],
"attributes": {
"startLine": 7,
"endLine": 7
}
}
]
```
There is currently no mechanism to convert JSON back into a node tree. Furthermore, not all ASTs
can be JSON encoded. In particular, JSON only supports UTF-8 strings.
Serialization to XML
--------------------
It is also possible to serialize the node tree to XML using `PhpParser\Serializer\XML->serialize()`
and to unserialize it using `PhpParser\Unserializer\XML->unserialize()`. This is useful for
interfacing with other languages and applications or for doing transformation using XSLT.
```php
<?php
$code = <<<'CODE'
<?php
function printLine($msg) {
echo $msg, "\n";
}
printLine('Hello World!!!');
CODE;
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7);
$serializer = new PhpParser\Serializer\XML;
try {
$stmts = $parser->parse($code);
echo $serializer->serialize($stmts);
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
Produces:
```xml
<?xml version="1.0" encoding="UTF-8"?>
<AST xmlns:node="http://nikic.github.com/PHPParser/XML/node" xmlns:subNode="http://nikic.github.com/PHPParser/XML/subNode" xmlns:scalar="http://nikic.github.com/PHPParser/XML/scalar">
<scalar:array>
<node:Stmt_Function line="2">
<subNode:byRef>
<scalar:false/>
</subNode:byRef>
<subNode:params>
<scalar:array>
<node:Param line="2">
<subNode:name>
<scalar:string>msg</scalar:string>
</subNode:name>
<subNode:default>
<scalar:null/>
</subNode:default>
<subNode:type>
<scalar:null/>
</subNode:type>
<subNode:byRef>
<scalar:false/>
</subNode:byRef>
</node:Param>
</scalar:array>
</subNode:params>
<subNode:stmts>
<scalar:array>
<node:Stmt_Echo line="3">
<subNode:exprs>
<scalar:array>
<node:Expr_Variable line="3">
<subNode:name>
<scalar:string>msg</scalar:string>
</subNode:name>
</node:Expr_Variable>
<node:Scalar_String line="3">
<subNode:value>
<scalar:string>
</scalar:string>
</subNode:value>
</node:Scalar_String>
</scalar:array>
</subNode:exprs>
</node:Stmt_Echo>
</scalar:array>
</subNode:stmts>
<subNode:name>
<scalar:string>printLine</scalar:string>
</subNode:name>
</node:Stmt_Function>
<node:Expr_FuncCall line="6">
<subNode:name>
<node:Name line="6">
<subNode:parts>
<scalar:array>
<scalar:string>printLine</scalar:string>
</scalar:array>
</subNode:parts>
</node:Name>
</subNode:name>
<subNode:args>
<scalar:array>
<node:Arg line="6">
<subNode:value>
<node:Scalar_String line="6">
<subNode:value>
<scalar:string>Hello World!!!</scalar:string>
</subNode:value>
</node:Scalar_String>
</subNode:value>
<subNode:byRef>
<scalar:false/>
</subNode:byRef>
</node:Arg>
</scalar:array>
</subNode:args>
</node:Expr_FuncCall>
</scalar:array>
</AST>
```

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Code generation
===============
It is also possible to generate code using the parser, by first creating an Abstract Syntax Tree and then using the
pretty printer to convert it to PHP code. To simplify code generation, the project comes with builders which allow
creating node trees using a fluid interface, instead of instantiating all nodes manually. Builders are available for
the following syntactic elements:
* namespaces and use statements
* classes, interfaces and traits
* methods, functions and parameters
* properties
Here is an example:
```php
use PhpParser\BuilderFactory;
use PhpParser\PrettyPrinter;
use PhpParser\Node;
$factory = new BuilderFactory;
$node = $factory->namespace('Name\Space')
->addStmt($factory->use('Some\Other\Thingy')->as('SomeOtherClass'))
->addStmt($factory->class('SomeClass')
->extend('SomeOtherClass')
->implement('A\Few', '\Interfaces')
->makeAbstract() // ->makeFinal()
->addStmt($factory->method('someMethod')
->makePublic()
->makeAbstract() // ->makeFinal()
->setReturnType('bool')
->addParam($factory->param('someParam')->setTypeHint('SomeClass'))
->setDocComment('/**
* This method does something.
*
* @param SomeClass And takes a parameter
*/')
)
->addStmt($factory->method('anotherMethod')
->makeProtected() // ->makePublic() [default], ->makePrivate()
->addParam($factory->param('someParam')->setDefault('test'))
// it is possible to add manually created nodes
->addStmt(new Node\Expr\Print_(new Node\Expr\Variable('someParam')))
)
// properties will be correctly reordered above the methods
->addStmt($factory->property('someProperty')->makeProtected())
->addStmt($factory->property('anotherProperty')->makePrivate()->setDefault(array(1, 2, 3)))
)
->getNode()
;
$stmts = array($node);
$prettyPrinter = new PrettyPrinter\Standard();
echo $prettyPrinter->prettyPrintFile($stmts);
```
This will produce the following output with the standard pretty printer:
```php
<?php
namespace Name\Space;
use Some\Other\Thingy as SomeClass;
abstract class SomeClass extends SomeOtherClass implements A\Few, \Interfaces
{
protected $someProperty;
private $anotherProperty = array(1, 2, 3);
/**
* This method does something.
*
* @param SomeClass And takes a parameter
*/
public abstract function someMethod(SomeClass $someParam) : bool;
protected function anotherMethod($someParam = 'test')
{
print $someParam;
}
}
```

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Error handling
==============
Errors during parsing or analysis are represented using the `PhpParser\Error` exception class. In addition to an error
message, an error can also store additional information about the location the error occurred at.
How much location information is available depends on the origin of the error and how many lexer attributes have been
enabled. At a minimum the start line of the error is usually available.
Column information
------------------
In order to receive information about not only the line, but also the column span an error occurred at, the file
position attributes in the lexer need to be enabled:
```php
$lexer = new PhpParser\Lexer(array(
'usedAttributes' => array('comments', 'startLine', 'endLine', 'startFilePos', 'endFilePos'),
));
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7, $lexer);
try {
$stmts = $parser->parse($code);
// ...
} catch (PhpParser\Error $e) {
// ...
}
```
Before using column information its availability needs to be checked with `$e->hasColumnInfo()`, as the precise
location of an error cannot always be determined. The methods for retrieving column information also have to be passed
the source code of the parsed file. An example for printing an error:
```php
if ($e->hasColumnInfo()) {
echo $e->getRawMessage() . ' from ' . $e->getStartLine() . ':' . $e->getStartColumn($code)
. ' to ' . $e->getEndLine() . ':' . $e->getEndColumn($code);
// or:
echo $e->getMessageWithColumnInfo();
} else {
echo $e->getMessage();
}
```
Both line numbers and column numbers are 1-based. EOF errors will be located at the position one past the end of the
file.
Error recovery
--------------
The error behavior of the parser (and other components) is controlled by an `ErrorHandler`. Whenever an error is
encountered, `ErrorHandler::handleError()` is invoked. The default error handling strategy is `ErrorHandler\Throwing`,
which will immediately throw when an error is encountered.
To instead collect all encountered errors into an array, while trying to continue parsing the rest of the source code,
an instance of `ErrorHandler\Collecting` can be passed to the `Parser::parse()` method. A usage example:
```php
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::ONLY_PHP7);
$errorHandler = new PhpParser\ErrorHandler\Collecting;
$stmts = $parser->parse($code, $errorHandler);
if ($errorHandler->hasErrors()) {
foreach ($errorHandler->getErrors() as $error) {
// $error is an ordinary PhpParser\Error
}
}
if (null !== $stmts) {
// $stmts is a best-effort partial AST
}
```
The `NameResolver` visitor also accepts an `ErrorHandler` as a constructor argument.

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Lexer component documentation
=============================
The lexer is responsible for providing tokens to the parser. The project comes with two lexers: `PhpParser\Lexer` and
`PhpParser\Lexer\Emulative`. The latter is an extension of the former, which adds the ability to emulate tokens of
newer PHP versions and thus allows parsing of new code on older versions.
This documentation discusses options available for the default lexers and explains how lexers can be extended.
Lexer options
-------------
The two default lexers accept an `$options` array in the constructor. Currently only the `'usedAttributes'` option is
supported, which allows you to specify which attributes will be added to the AST nodes. The attributes can then be
accessed using `$node->getAttribute()`, `$node->setAttribute()`, `$node->hasAttribute()` and `$node->getAttributes()`
methods. A sample options array:
```php
$lexer = new PhpParser\Lexer(array(
'usedAttributes' => array(
'comments', 'startLine', 'endLine'
)
));
```
The attributes used in this example match the default behavior of the lexer. The following attributes are supported:
* `comments`: Array of `PhpParser\Comment` or `PhpParser\Comment\Doc` instances, representing all comments that occurred
between the previous non-discarded token and the current one. Use of this attribute is required for the
`$node->getDocComment()` method to work. The attribute is also needed if you wish the pretty printer to retain
comments present in the original code.
* `startLine`: Line in which the node starts. This attribute is required for the `$node->getLine()` to work. It is also
required if syntax errors should contain line number information.
* `endLine`: Line in which the node ends.
* `startTokenPos`: Offset into the token array of the first token in the node.
* `endTokenPos`: Offset into the token array of the last token in the node.
* `startFilePos`: Offset into the code string of the first character that is part of the node.
* `endFilePos`: Offset into the code string of the last character that is part of the node.
### Using token positions
The token offset information is useful if you wish to examine the exact formatting used for a node. For example the AST
does not distinguish whether a property was declared using `public` or using `var`, but you can retrieve this
information based on the token position:
```php
function isDeclaredUsingVar(array $tokens, PhpParser\Node\Stmt\Property $prop) {
$i = $prop->getAttribute('startTokenPos');
return $tokens[$i][0] === T_VAR;
}
```
In order to make use of this function, you will have to provide the tokens from the lexer to your node visitor using
code similar to the following:
```php
class MyNodeVisitor extends PhpParser\NodeVisitorAbstract {
private $tokens;
public function setTokens(array $tokens) {
$this->tokens = $tokens;
}
public function leaveNode(PhpParser\Node $node) {
if ($node instanceof PhpParser\Node\Stmt\Property) {
var_dump(isDeclaredUsingVar($this->tokens, $node));
}
}
}
$lexer = new PhpParser\Lexer(array(
'usedAttributes' => array(
'comments', 'startLine', 'endLine', 'startTokenPos', 'endTokenPos'
)
));
$parser = (new PhpParser\ParserFactory)->create(PhpParser\ParserFactory::PREFER_PHP7, $lexer);
$visitor = new MyNodeVisitor();
$traverser = new PhpParser\NodeTraverser();
$traverser->addVisitor($visitor);
try {
$stmts = $parser->parse($code);
$visitor->setTokens($lexer->getTokens());
$stmts = $traverser->traverse($stmts);
} catch (PhpParser\Error $e) {
echo 'Parse Error: ', $e->getMessage();
}
```
The same approach can also be used to perform specific modifications in the code, without changing the formatting in
other places (which is the case when using the pretty printer).
Lexer extension
---------------
A lexer has to define the following public interface:
void startLexing(string $code, ErrorHandler $errorHandler = null);
array getTokens();
string handleHaltCompiler();
int getNextToken(string &$value = null, array &$startAttributes = null, array &$endAttributes = null);
The `startLexing()` method is invoked with the source code that is to be lexed (including the opening tag) whenever the
`parse()` method of the parser is called. It can be used to reset state or preprocess the source code or tokens. The
passes `ErrorHandler` should be used to report lexing errors.
The `getTokens()` method returns the current token array, in the usual `token_get_all()` format. This method is not
used by the parser (which uses `getNextToken()`), but is useful in combination with the token position attributes.
The `handleHaltCompiler()` method is called whenever a `T_HALT_COMPILER` token is encountered. It has to return the
remaining string after the construct (not including `();`).
The `getNextToken()` method returns the ID of the next token (as defined by the `Parser::T_*` constants). If no more
tokens are available it must return `0`, which is the ID of the `EOF` token. Furthermore the string content of the
token should be written into the by-reference `$value` parameter (which will then be available as `$n` in the parser).
### Attribute handling
The other two by-ref variables `$startAttributes` and `$endAttributes` define which attributes will eventually be
assigned to the generated nodes: The parser will take the `$startAttributes` from the first token which is part of the
node and the `$endAttributes` from the last token that is part of the node.
E.g. if the tokens `T_FUNCTION T_STRING ... '{' ... '}'` constitute a node, then the `$startAttributes` from the
`T_FUNCTION` token will be taken and the `$endAttributes` from the `'}'` token.
An application of custom attributes is storing the exact original formatting of literals: While the parser does retain
some information about the formatting of integers (like decimal vs. hexadecimal) or strings (like used quote type), it
does not preserve the exact original formatting (e.g. leading zeros for integers or escape sequences in strings). This
can be remedied by storing the original value in an attribute:
```php
use PhpParser\Lexer;
use PhpParser\Parser\Tokens;
class KeepOriginalValueLexer extends Lexer // or Lexer\Emulative
{
public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
$tokenId = parent::getNextToken($value, $startAttributes, $endAttributes);
if ($tokenId == Tokens::T_CONSTANT_ENCAPSED_STRING // non-interpolated string
|| $tokenId == Tokens::T_ENCAPSED_AND_WHITESPACE // interpolated string
|| $tokenId == Tokens::T_LNUMBER // integer
|| $tokenId == Tokens::T_DNUMBER // floating point number
) {
// could also use $startAttributes, doesn't really matter here
$endAttributes['originalValue'] = $value;
}
return $tokenId;
}
}
```

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What do all those files mean?
=============================
* `php5.y`: PHP 5 grammar written in a pseudo language
* `php7.y`: PHP 7 grammar written in a pseudo language
* `tokens.y`: Tokens definition shared between PHP 5 and PHP 7 grammars
* `parser.template`: A `kmyacc` parser prototype file for PHP
* `tokens.template`: A `kmyacc` prototype file for the `Tokens` class
* `rebuildParsers.php`: Preprocesses the grammar and builds the parser using `kmyacc`
.phpy pseudo language
=====================
The `.y` file is a normal grammer in `kmyacc` (`yacc`) style, with some transformations
applied to it:
* Nodes are created using the syntax `Name[..., ...]`. This is transformed into
`new Name(..., ..., attributes())`
* Some function-like constructs are resolved (see `rebuildParsers.php` for a list)
Building the parser
===================
In order to rebuild the parser, you need [moriyoshi's fork of kmyacc](https://github.com/moriyoshi/kmyacc-forked).
After you compiled/installed it, run the `rebuildParsers.php` script.
By default only the `Parser.php` is built. If you want to additionally emit debug symbols and create `y.output`, run the
script with `--debug`. If you want to retain the preprocessed grammar pass `--keep-tmp-grammar`.

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<?php
$meta #
#semval($) $this->semValue
#semval($,%t) $this->semValue
#semval(%n) $this->stackPos-(%l-%n)
#semval(%n,%t) $this->stackPos-(%l-%n)
namespace PhpParser\Parser;
use PhpParser\Error;
use PhpParser\Node;
use PhpParser\Node\Expr;
use PhpParser\Node\Name;
use PhpParser\Node\Scalar;
use PhpParser\Node\Stmt;
#include;
/* This is an automatically GENERATED file, which should not be manually edited.
* Instead edit one of the following:
* * the grammar files grammar/php5.y or grammar/php7.y
* * the skeleton file grammar/parser.template
* * the preprocessing script grammar/rebuildParsers.php
*/
class #(-p) extends \PhpParser\ParserAbstract
{
protected $tokenToSymbolMapSize = #(YYMAXLEX);
protected $actionTableSize = #(YYLAST);
protected $gotoTableSize = #(YYGLAST);
protected $invalidSymbol = #(YYBADCH);
protected $errorSymbol = #(YYINTERRTOK);
protected $defaultAction = #(YYDEFAULT);
protected $unexpectedTokenRule = #(YYUNEXPECTED);
protected $YY2TBLSTATE = #(YY2TBLSTATE);
protected $YYNLSTATES = #(YYNLSTATES);
protected $symbolToName = array(
#listvar terminals
);
protected $tokenToSymbol = array(
#listvar yytranslate
);
protected $action = array(
#listvar yyaction
);
protected $actionCheck = array(
#listvar yycheck
);
protected $actionBase = array(
#listvar yybase
);
protected $actionDefault = array(
#listvar yydefault
);
protected $goto = array(
#listvar yygoto
);
protected $gotoCheck = array(
#listvar yygcheck
);
protected $gotoBase = array(
#listvar yygbase
);
protected $gotoDefault = array(
#listvar yygdefault
);
protected $ruleToNonTerminal = array(
#listvar yylhs
);
protected $ruleToLength = array(
#listvar yylen
);
#if -t
protected $productions = array(
#production-strings;
);
#endif
#reduce
protected function reduceRule%n() {
%b
}
#noact
protected function reduceRule%n() {
$this->semValue = $this->semStack[$this->stackPos];
}
#endreduce
}
#tailcode;

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%pure_parser
%expect 2
%tokens
%%
start:
top_statement_list { $$ = $this->handleNamespaces($1); }
;
top_statement_list_ex:
top_statement_list_ex top_statement { pushNormalizing($1, $2); }
| /* empty */ { init(); }
;
top_statement_list:
top_statement_list_ex
{ makeNop($nop, $this->lookaheadStartAttributes);
if ($nop !== null) { $1[] = $nop; } $$ = $1; }
;
reserved_non_modifiers:
T_INCLUDE | T_INCLUDE_ONCE | T_EVAL | T_REQUIRE | T_REQUIRE_ONCE | T_LOGICAL_OR | T_LOGICAL_XOR | T_LOGICAL_AND
| T_INSTANCEOF | T_NEW | T_CLONE | T_EXIT | T_IF | T_ELSEIF | T_ELSE | T_ENDIF | T_ECHO | T_DO | T_WHILE
| T_ENDWHILE | T_FOR | T_ENDFOR | T_FOREACH | T_ENDFOREACH | T_DECLARE | T_ENDDECLARE | T_AS | T_TRY | T_CATCH
| T_FINALLY | T_THROW | T_USE | T_INSTEADOF | T_GLOBAL | T_VAR | T_UNSET | T_ISSET | T_EMPTY | T_CONTINUE | T_GOTO
| T_FUNCTION | T_CONST | T_RETURN | T_PRINT | T_YIELD | T_LIST | T_SWITCH | T_ENDSWITCH | T_CASE | T_DEFAULT
| T_BREAK | T_ARRAY | T_CALLABLE | T_EXTENDS | T_IMPLEMENTS | T_NAMESPACE | T_TRAIT | T_INTERFACE | T_CLASS
| T_CLASS_C | T_TRAIT_C | T_FUNC_C | T_METHOD_C | T_LINE | T_FILE | T_DIR | T_NS_C | T_HALT_COMPILER
;
semi_reserved:
reserved_non_modifiers
| T_STATIC | T_ABSTRACT | T_FINAL | T_PRIVATE | T_PROTECTED | T_PUBLIC
;
identifier:
T_STRING { $$ = $1; }
| semi_reserved { $$ = $1; }
;
namespace_name_parts:
T_STRING { init($1); }
| namespace_name_parts T_NS_SEPARATOR T_STRING { push($1, $3); }
;
namespace_name:
namespace_name_parts { $$ = Name[$1]; }
;
semi:
';' { /* nothing */ }
| error { /* nothing */ }
;
no_comma:
/* empty */ { /* nothing */ }
| ',' { $this->emitError(new Error('A trailing comma is not allowed here', attributes())); }
;
optional_comma:
/* empty */
| ','
top_statement:
statement { $$ = $1; }
| function_declaration_statement { $$ = $1; }
| class_declaration_statement { $$ = $1; }
| T_HALT_COMPILER
{ $$ = Stmt\HaltCompiler[$this->lexer->handleHaltCompiler()]; }
| T_NAMESPACE namespace_name semi
{ $$ = Stmt\Namespace_[$2, null];
$$->setAttribute('kind', Stmt\Namespace_::KIND_SEMICOLON);
$this->checkNamespace($$); }
| T_NAMESPACE namespace_name '{' top_statement_list '}'
{ $$ = Stmt\Namespace_[$2, $4];
$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);
$this->checkNamespace($$); }
| T_NAMESPACE '{' top_statement_list '}'
{ $$ = Stmt\Namespace_[null, $3];
$$->setAttribute('kind', Stmt\Namespace_::KIND_BRACED);
$this->checkNamespace($$); }
| T_USE use_declarations semi { $$ = Stmt\Use_[$2, Stmt\Use_::TYPE_NORMAL]; }
| T_USE use_type use_declarations semi { $$ = Stmt\Use_[$3, $2]; }
| group_use_declaration semi { $$ = $1; }
| T_CONST constant_declaration_list semi { $$ = Stmt\Const_[$2]; }
;
use_type:
T_FUNCTION { $$ = Stmt\Use_::TYPE_FUNCTION; }
| T_CONST { $$ = Stmt\Use_::TYPE_CONSTANT; }
;
/* Using namespace_name_parts here to avoid s/r conflict on T_NS_SEPARATOR */
group_use_declaration:
T_USE use_type namespace_name_parts T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
{ $$ = Stmt\GroupUse[new Name($3, stackAttributes(#3)), $6, $2]; }
| T_USE use_type T_NS_SEPARATOR namespace_name_parts T_NS_SEPARATOR '{' unprefixed_use_declarations '}'
{ $$ = Stmt\GroupUse[new Name($4, stackAttributes(#4)), $7, $2]; }
| T_USE namespace_name_parts T_NS_SEPARATOR '{' inline_use_declarations '}'
{ $$ = Stmt\GroupUse[new Name($2, stackAttributes(#2)), $5, Stmt\Use_::TYPE_UNKNOWN]; }
| T_USE T_NS_SEPARATOR namespace_name_parts T_NS_SEPARATOR '{' inline_use_declarations '}'
{ $$ = Stmt\GroupUse[new Name($3, stackAttributes(#3)), $6, Stmt\Use_::TYPE_UNKNOWN]; }
;
unprefixed_use_declarations:
non_empty_unprefixed_use_declarations optional_comma { $$ = $1; }
;
non_empty_unprefixed_use_declarations:
non_empty_unprefixed_use_declarations ',' unprefixed_use_declaration
{ push($1, $3); }
| unprefixed_use_declaration { init($1); }
;
use_declarations:
non_empty_use_declarations no_comma { $$ = $1; }
;
non_empty_use_declarations:
non_empty_use_declarations ',' use_declaration { push($1, $3); }
| use_declaration { init($1); }
;
inline_use_declarations:
non_empty_inline_use_declarations optional_comma { $$ = $1; }
;
non_empty_inline_use_declarations:
non_empty_inline_use_declarations ',' inline_use_declaration
{ push($1, $3); }
| inline_use_declaration { init($1); }
;
unprefixed_use_declaration:
namespace_name
{ $$ = Stmt\UseUse[$1, null, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #1); }
| namespace_name T_AS T_STRING
{ $$ = Stmt\UseUse[$1, $3, Stmt\Use_::TYPE_UNKNOWN]; $this->checkUseUse($$, #3); }
;
use_declaration:
unprefixed_use_declaration { $$ = $1; }
| T_NS_SEPARATOR unprefixed_use_declaration { $$ = $2; }
;
inline_use_declaration:
unprefixed_use_declaration { $$ = $1; $$->type = Stmt\Use_::TYPE_NORMAL; }
| use_type unprefixed_use_declaration { $$ = $2; $$->type = $1; }
;
constant_declaration_list:
non_empty_constant_declaration_list no_comma { $$ = $1; }
;
non_empty_constant_declaration_list:
non_empty_constant_declaration_list ',' constant_declaration
{ push($1, $3); }
| constant_declaration { init($1); }
;
constant_declaration:
T_STRING '=' expr { $$ = Node\Const_[$1, $3]; }
;
class_const_list:
non_empty_class_const_list no_comma { $$ = $1; }
;
non_empty_class_const_list:
non_empty_class_const_list ',' class_const { push($1, $3); }
| class_const { init($1); }
;
class_const:
identifier '=' expr { $$ = Node\Const_[$1, $3]; }
;
inner_statement_list_ex:
inner_statement_list_ex inner_statement { pushNormalizing($1, $2); }
| /* empty */ { init(); }
;
inner_statement_list:
inner_statement_list_ex
{ makeNop($nop, $this->lookaheadStartAttributes);
if ($nop !== null) { $1[] = $nop; } $$ = $1; }
;
inner_statement:
statement { $$ = $1; }
| function_declaration_statement { $$ = $1; }
| class_declaration_statement { $$ = $1; }
| T_HALT_COMPILER
{ throw new Error('__HALT_COMPILER() can only be used from the outermost scope', attributes()); }
;
non_empty_statement:
'{' inner_statement_list '}'
{
if ($2) {
$$ = $2; prependLeadingComments($$);
} else {
makeNop($$, $this->startAttributeStack[#1]);
if (null === $$) { $$ = array(); }
}
}
| T_IF '(' expr ')' statement elseif_list else_single
{ $$ = Stmt\If_[$3, ['stmts' => toArray($5), 'elseifs' => $6, 'else' => $7]]; }
| T_IF '(' expr ')' ':' inner_statement_list new_elseif_list new_else_single T_ENDIF ';'
{ $$ = Stmt\If_[$3, ['stmts' => $6, 'elseifs' => $7, 'else' => $8]]; }
| T_WHILE '(' expr ')' while_statement { $$ = Stmt\While_[$3, $5]; }
| T_DO statement T_WHILE '(' expr ')' ';' { $$ = Stmt\Do_ [$5, toArray($2)]; }
| T_FOR '(' for_expr ';' for_expr ';' for_expr ')' for_statement
{ $$ = Stmt\For_[['init' => $3, 'cond' => $5, 'loop' => $7, 'stmts' => $9]]; }
| T_SWITCH '(' expr ')' switch_case_list { $$ = Stmt\Switch_[$3, $5]; }
| T_BREAK optional_expr semi { $$ = Stmt\Break_[$2]; }
| T_CONTINUE optional_expr semi { $$ = Stmt\Continue_[$2]; }
| T_RETURN optional_expr semi { $$ = Stmt\Return_[$2]; }
| T_GLOBAL global_var_list semi { $$ = Stmt\Global_[$2]; }
| T_STATIC static_var_list semi { $$ = Stmt\Static_[$2]; }
| T_ECHO expr_list semi { $$ = Stmt\Echo_[$2]; }
| T_INLINE_HTML { $$ = Stmt\InlineHTML[$1]; }
| expr semi { $$ = $1; }
| T_UNSET '(' variables_list ')' semi { $$ = Stmt\Unset_[$3]; }
| T_FOREACH '(' expr T_AS foreach_variable ')' foreach_statement
{ $$ = Stmt\Foreach_[$3, $5[0], ['keyVar' => null, 'byRef' => $5[1], 'stmts' => $7]]; }
| T_FOREACH '(' expr T_AS variable T_DOUBLE_ARROW foreach_variable ')' foreach_statement
{ $$ = Stmt\Foreach_[$3, $7[0], ['keyVar' => $5, 'byRef' => $7[1], 'stmts' => $9]]; }
| T_DECLARE '(' declare_list ')' declare_statement { $$ = Stmt\Declare_[$3, $5]; }
| T_TRY '{' inner_statement_list '}' catches optional_finally
{ $$ = Stmt\TryCatch[$3, $5, $6]; $this->checkTryCatch($$); }
| T_THROW expr semi { $$ = Stmt\Throw_[$2]; }
| T_GOTO T_STRING semi { $$ = Stmt\Goto_[$2]; }
| T_STRING ':' { $$ = Stmt\Label[$1]; }
| error { $$ = array(); /* means: no statement */ }
;
statement:
non_empty_statement { $$ = $1; }
| ';'
{ makeNop($$, $this->startAttributeStack[#1]);
if ($$ === null) $$ = array(); /* means: no statement */ }
;
catches:
/* empty */ { init(); }
| catches catch { push($1, $2); }
;
name_union:
name { init($1); }
| name_union '|' name { push($1, $3); }
;
catch:
T_CATCH '(' name_union T_VARIABLE ')' '{' inner_statement_list '}'
{ $$ = Stmt\Catch_[$3, parseVar($4), $7]; }
;
optional_finally:
/* empty */ { $$ = null; }
| T_FINALLY '{' inner_statement_list '}' { $$ = Stmt\Finally_[$3]; }
;
variables_list:
non_empty_variables_list no_comma { $$ = $1; }
;
non_empty_variables_list:
variable { init($1); }
| non_empty_variables_list ',' variable { push($1, $3); }
;
optional_ref:
/* empty */ { $$ = false; }
| '&' { $$ = true; }
;
optional_ellipsis:
/* empty */ { $$ = false; }
| T_ELLIPSIS { $$ = true; }
;
function_declaration_statement:
T_FUNCTION optional_ref T_STRING '(' parameter_list ')' optional_return_type '{' inner_statement_list '}'
{ $$ = Stmt\Function_[$3, ['byRef' => $2, 'params' => $5, 'returnType' => $7, 'stmts' => $9]]; }
;
class_declaration_statement:
class_entry_type T_STRING extends_from implements_list '{' class_statement_list '}'
{ $$ = Stmt\Class_[$2, ['type' => $1, 'extends' => $3, 'implements' => $4, 'stmts' => $6]];
$this->checkClass($$, #2); }
| T_INTERFACE T_STRING interface_extends_list '{' class_statement_list '}'
{ $$ = Stmt\Interface_[$2, ['extends' => $3, 'stmts' => $5]];
$this->checkInterface($$, #2); }
| T_TRAIT T_STRING '{' class_statement_list '}'
{ $$ = Stmt\Trait_[$2, ['stmts' => $4]]; }
;
class_entry_type:
T_CLASS { $$ = 0; }
| T_ABSTRACT T_CLASS { $$ = Stmt\Class_::MODIFIER_ABSTRACT; }
| T_FINAL T_CLASS { $$ = Stmt\Class_::MODIFIER_FINAL; }
;
extends_from:
/* empty */ { $$ = null; }
| T_EXTENDS class_name { $$ = $2; }
;
interface_extends_list:
/* empty */ { $$ = array(); }
| T_EXTENDS class_name_list { $$ = $2; }
;
implements_list:
/* empty */ { $$ = array(); }
| T_IMPLEMENTS class_name_list { $$ = $2; }
;
class_name_list:
non_empty_class_name_list no_comma { $$ = $1; }
;
non_empty_class_name_list:
class_name { init($1); }
| non_empty_class_name_list ',' class_name { push($1, $3); }
;
for_statement:
statement { $$ = toArray($1); }
| ':' inner_statement_list T_ENDFOR ';' { $$ = $2; }
;
foreach_statement:
statement { $$ = toArray($1); }
| ':' inner_statement_list T_ENDFOREACH ';' { $$ = $2; }
;
declare_statement:
non_empty_statement { $$ = toArray($1); }
| ';' { $$ = null; }
| ':' inner_statement_list T_ENDDECLARE ';' { $$ = $2; }
;
declare_list:
non_empty_declare_list no_comma { $$ = $1; }
;
non_empty_declare_list:
declare_list_element { init($1); }
| non_empty_declare_list ',' declare_list_element { push($1, $3); }
;
declare_list_element:
T_STRING '=' expr { $$ = Stmt\DeclareDeclare[$1, $3]; }
;
switch_case_list:
'{' case_list '}' { $$ = $2; }
| '{' ';' case_list '}' { $$ = $3; }
| ':' case_list T_ENDSWITCH ';' { $$ = $2; }
| ':' ';' case_list T_ENDSWITCH ';' { $$ = $3; }
;
case_list:
/* empty */ { init(); }
| case_list case { push($1, $2); }
;
case:
T_CASE expr case_separator inner_statement_list { $$ = Stmt\Case_[$2, $4]; }
| T_DEFAULT case_separator inner_statement_list { $$ = Stmt\Case_[null, $3]; }
;
case_separator:
':'
| ';'
;
while_statement:
statement { $$ = toArray($1); }
| ':' inner_statement_list T_ENDWHILE ';' { $$ = $2; }
;
elseif_list:
/* empty */ { init(); }
| elseif_list elseif { push($1, $2); }
;
elseif:
T_ELSEIF '(' expr ')' statement { $$ = Stmt\ElseIf_[$3, toArray($5)]; }
;
new_elseif_list:
/* empty */ { init(); }
| new_elseif_list new_elseif { push($1, $2); }
;
new_elseif:
T_ELSEIF '(' expr ')' ':' inner_statement_list { $$ = Stmt\ElseIf_[$3, $6]; }
;
else_single:
/* empty */ { $$ = null; }
| T_ELSE statement { $$ = Stmt\Else_[toArray($2)]; }
;
new_else_single:
/* empty */ { $$ = null; }
| T_ELSE ':' inner_statement_list { $$ = Stmt\Else_[$3]; }
;
foreach_variable:
variable { $$ = array($1, false); }
| '&' variable { $$ = array($2, true); }
| list_expr { $$ = array($1, false); }
| array_short_syntax { $$ = array($1, false); }
;
parameter_list:
non_empty_parameter_list no_comma { $$ = $1; }
| /* empty */ { $$ = array(); }
;
non_empty_parameter_list:
parameter { init($1); }
| non_empty_parameter_list ',' parameter { push($1, $3); }
;
parameter:
optional_param_type optional_ref optional_ellipsis T_VARIABLE
{ $$ = Node\Param[parseVar($4), null, $1, $2, $3]; $this->checkParam($$); }
| optional_param_type optional_ref optional_ellipsis T_VARIABLE '=' expr
{ $$ = Node\Param[parseVar($4), $6, $1, $2, $3]; $this->checkParam($$); }
;
type_expr:
type { $$ = $1; }
| '?' type { $$ = Node\NullableType[$2]; }
;
type:
name { $$ = $this->handleBuiltinTypes($1); }
| T_ARRAY { $$ = 'array'; }
| T_CALLABLE { $$ = 'callable'; }
;
optional_param_type:
/* empty */ { $$ = null; }
| type_expr { $$ = $1; }
;
optional_return_type:
/* empty */ { $$ = null; }
| ':' type_expr { $$ = $2; }
;
argument_list:
'(' ')' { $$ = array(); }
| '(' non_empty_argument_list no_comma ')' { $$ = $2; }
;
non_empty_argument_list:
argument { init($1); }
| non_empty_argument_list ',' argument { push($1, $3); }
;
argument:
expr { $$ = Node\Arg[$1, false, false]; }
| '&' variable { $$ = Node\Arg[$2, true, false]; }
| T_ELLIPSIS expr { $$ = Node\Arg[$2, false, true]; }
;
global_var_list:
non_empty_global_var_list no_comma { $$ = $1; }
;
non_empty_global_var_list:
non_empty_global_var_list ',' global_var { push($1, $3); }
| global_var { init($1); }
;
global_var:
simple_variable { $$ = Expr\Variable[$1]; }
;
static_var_list:
non_empty_static_var_list no_comma { $$ = $1; }
;
non_empty_static_var_list:
non_empty_static_var_list ',' static_var { push($1, $3); }
| static_var { init($1); }
;
static_var:
T_VARIABLE { $$ = Stmt\StaticVar[parseVar($1), null]; }
| T_VARIABLE '=' expr { $$ = Stmt\StaticVar[parseVar($1), $3]; }
;
class_statement_list:
class_statement_list class_statement { push($1, $2); }
| /* empty */ { init(); }
;
class_statement:
variable_modifiers property_declaration_list ';'
{ $$ = Stmt\Property[$1, $2]; $this->checkProperty($$, #1); }
| method_modifiers T_CONST class_const_list ';'
{ $$ = Stmt\ClassConst[$3, $1]; $this->checkClassConst($$, #1); }
| method_modifiers T_FUNCTION optional_ref identifier '(' parameter_list ')' optional_return_type method_body
{ $$ = Stmt\ClassMethod[$4, ['type' => $1, 'byRef' => $3, 'params' => $6, 'returnType' => $8, 'stmts' => $9]];
$this->checkClassMethod($$, #1); }
| T_USE class_name_list trait_adaptations { $$ = Stmt\TraitUse[$2, $3]; }
;
trait_adaptations:
';' { $$ = array(); }
| '{' trait_adaptation_list '}' { $$ = $2; }
;
trait_adaptation_list:
/* empty */ { init(); }
| trait_adaptation_list trait_adaptation { push($1, $2); }
;
trait_adaptation:
trait_method_reference_fully_qualified T_INSTEADOF class_name_list ';'
{ $$ = Stmt\TraitUseAdaptation\Precedence[$1[0], $1[1], $3]; }
| trait_method_reference T_AS member_modifier identifier ';'
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, $4]; }
| trait_method_reference T_AS member_modifier ';'
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], $3, null]; }
| trait_method_reference T_AS T_STRING ';'
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; }
| trait_method_reference T_AS reserved_non_modifiers ';'
{ $$ = Stmt\TraitUseAdaptation\Alias[$1[0], $1[1], null, $3]; }
;
trait_method_reference_fully_qualified:
name T_PAAMAYIM_NEKUDOTAYIM identifier { $$ = array($1, $3); }
;
trait_method_reference:
trait_method_reference_fully_qualified { $$ = $1; }
| identifier { $$ = array(null, $1); }
;
method_body:
';' /* abstract method */ { $$ = null; }
| '{' inner_statement_list '}' { $$ = $2; }
;
variable_modifiers:
non_empty_member_modifiers { $$ = $1; }
| T_VAR { $$ = 0; }
;
method_modifiers:
/* empty */ { $$ = 0; }
| non_empty_member_modifiers { $$ = $1; }
;
non_empty_member_modifiers:
member_modifier { $$ = $1; }
| non_empty_member_modifiers member_modifier { $this->checkModifier($1, $2, #2); $$ = $1 | $2; }
;
member_modifier:
T_PUBLIC { $$ = Stmt\Class_::MODIFIER_PUBLIC; }
| T_PROTECTED { $$ = Stmt\Class_::MODIFIER_PROTECTED; }
| T_PRIVATE { $$ = Stmt\Class_::MODIFIER_PRIVATE; }
| T_STATIC { $$ = Stmt\Class_::MODIFIER_STATIC; }
| T_ABSTRACT { $$ = Stmt\Class_::MODIFIER_ABSTRACT; }
| T_FINAL { $$ = Stmt\Class_::MODIFIER_FINAL; }
;
property_declaration_list:
non_empty_property_declaration_list no_comma { $$ = $1; }
;
non_empty_property_declaration_list:
property_declaration { init($1); }
| non_empty_property_declaration_list ',' property_declaration
{ push($1, $3); }
;
property_declaration:
T_VARIABLE { $$ = Stmt\PropertyProperty[parseVar($1), null]; }
| T_VARIABLE '=' expr { $$ = Stmt\PropertyProperty[parseVar($1), $3]; }
;
expr_list:
non_empty_expr_list no_comma { $$ = $1; }
;
non_empty_expr_list:
non_empty_expr_list ',' expr { push($1, $3); }
| expr { init($1); }
;
for_expr:
/* empty */ { $$ = array(); }
| expr_list { $$ = $1; }
;
expr:
variable { $$ = $1; }
| list_expr '=' expr { $$ = Expr\Assign[$1, $3]; }
| array_short_syntax '=' expr { $$ = Expr\Assign[$1, $3]; }
| variable '=' expr { $$ = Expr\Assign[$1, $3]; }
| variable '=' '&' variable { $$ = Expr\AssignRef[$1, $4]; }
| new_expr { $$ = $1; }
| T_CLONE expr { $$ = Expr\Clone_[$2]; }
| variable T_PLUS_EQUAL expr { $$ = Expr\AssignOp\Plus [$1, $3]; }
| variable T_MINUS_EQUAL expr { $$ = Expr\AssignOp\Minus [$1, $3]; }
| variable T_MUL_EQUAL expr { $$ = Expr\AssignOp\Mul [$1, $3]; }
| variable T_DIV_EQUAL expr { $$ = Expr\AssignOp\Div [$1, $3]; }
| variable T_CONCAT_EQUAL expr { $$ = Expr\AssignOp\Concat [$1, $3]; }
| variable T_MOD_EQUAL expr { $$ = Expr\AssignOp\Mod [$1, $3]; }
| variable T_AND_EQUAL expr { $$ = Expr\AssignOp\BitwiseAnd[$1, $3]; }
| variable T_OR_EQUAL expr { $$ = Expr\AssignOp\BitwiseOr [$1, $3]; }
| variable T_XOR_EQUAL expr { $$ = Expr\AssignOp\BitwiseXor[$1, $3]; }
| variable T_SL_EQUAL expr { $$ = Expr\AssignOp\ShiftLeft [$1, $3]; }
| variable T_SR_EQUAL expr { $$ = Expr\AssignOp\ShiftRight[$1, $3]; }
| variable T_POW_EQUAL expr { $$ = Expr\AssignOp\Pow [$1, $3]; }
| variable T_INC { $$ = Expr\PostInc[$1]; }
| T_INC variable { $$ = Expr\PreInc [$2]; }
| variable T_DEC { $$ = Expr\PostDec[$1]; }
| T_DEC variable { $$ = Expr\PreDec [$2]; }
| expr T_BOOLEAN_OR expr { $$ = Expr\BinaryOp\BooleanOr [$1, $3]; }
| expr T_BOOLEAN_AND expr { $$ = Expr\BinaryOp\BooleanAnd[$1, $3]; }
| expr T_LOGICAL_OR expr { $$ = Expr\BinaryOp\LogicalOr [$1, $3]; }
| expr T_LOGICAL_AND expr { $$ = Expr\BinaryOp\LogicalAnd[$1, $3]; }
| expr T_LOGICAL_XOR expr { $$ = Expr\BinaryOp\LogicalXor[$1, $3]; }
| expr '|' expr { $$ = Expr\BinaryOp\BitwiseOr [$1, $3]; }
| expr '&' expr { $$ = Expr\BinaryOp\BitwiseAnd[$1, $3]; }
| expr '^' expr { $$ = Expr\BinaryOp\BitwiseXor[$1, $3]; }
| expr '.' expr { $$ = Expr\BinaryOp\Concat [$1, $3]; }
| expr '+' expr { $$ = Expr\BinaryOp\Plus [$1, $3]; }
| expr '-' expr { $$ = Expr\BinaryOp\Minus [$1, $3]; }
| expr '*' expr { $$ = Expr\BinaryOp\Mul [$1, $3]; }
| expr '/' expr { $$ = Expr\BinaryOp\Div [$1, $3]; }
| expr '%' expr { $$ = Expr\BinaryOp\Mod [$1, $3]; }
| expr T_SL expr { $$ = Expr\BinaryOp\ShiftLeft [$1, $3]; }
| expr T_SR expr { $$ = Expr\BinaryOp\ShiftRight[$1, $3]; }
| expr T_POW expr { $$ = Expr\BinaryOp\Pow [$1, $3]; }
| '+' expr %prec T_INC { $$ = Expr\UnaryPlus [$2]; }
| '-' expr %prec T_INC { $$ = Expr\UnaryMinus[$2]; }
| '!' expr { $$ = Expr\BooleanNot[$2]; }
| '~' expr { $$ = Expr\BitwiseNot[$2]; }
| expr T_IS_IDENTICAL expr { $$ = Expr\BinaryOp\Identical [$1, $3]; }
| expr T_IS_NOT_IDENTICAL expr { $$ = Expr\BinaryOp\NotIdentical [$1, $3]; }
| expr T_IS_EQUAL expr { $$ = Expr\BinaryOp\Equal [$1, $3]; }
| expr T_IS_NOT_EQUAL expr { $$ = Expr\BinaryOp\NotEqual [$1, $3]; }
| expr T_SPACESHIP expr { $$ = Expr\BinaryOp\Spaceship [$1, $3]; }
| expr '<' expr { $$ = Expr\BinaryOp\Smaller [$1, $3]; }
| expr T_IS_SMALLER_OR_EQUAL expr { $$ = Expr\BinaryOp\SmallerOrEqual[$1, $3]; }
| expr '>' expr { $$ = Expr\BinaryOp\Greater [$1, $3]; }
| expr T_IS_GREATER_OR_EQUAL expr { $$ = Expr\BinaryOp\GreaterOrEqual[$1, $3]; }
| expr T_INSTANCEOF class_name_reference { $$ = Expr\Instanceof_[$1, $3]; }
| '(' expr ')' { $$ = $2; }
| expr '?' expr ':' expr { $$ = Expr\Ternary[$1, $3, $5]; }
| expr '?' ':' expr { $$ = Expr\Ternary[$1, null, $4]; }
| expr T_COALESCE expr { $$ = Expr\BinaryOp\Coalesce[$1, $3]; }
| T_ISSET '(' variables_list ')' { $$ = Expr\Isset_[$3]; }
| T_EMPTY '(' expr ')' { $$ = Expr\Empty_[$3]; }
| T_INCLUDE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE]; }
| T_INCLUDE_ONCE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_INCLUDE_ONCE]; }
| T_EVAL '(' expr ')' { $$ = Expr\Eval_[$3]; }
| T_REQUIRE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_REQUIRE]; }
| T_REQUIRE_ONCE expr { $$ = Expr\Include_[$2, Expr\Include_::TYPE_REQUIRE_ONCE]; }
| T_INT_CAST expr { $$ = Expr\Cast\Int_ [$2]; }
| T_DOUBLE_CAST expr { $$ = Expr\Cast\Double [$2]; }
| T_STRING_CAST expr { $$ = Expr\Cast\String_ [$2]; }
| T_ARRAY_CAST expr { $$ = Expr\Cast\Array_ [$2]; }
| T_OBJECT_CAST expr { $$ = Expr\Cast\Object_ [$2]; }
| T_BOOL_CAST expr { $$ = Expr\Cast\Bool_ [$2]; }
| T_UNSET_CAST expr { $$ = Expr\Cast\Unset_ [$2]; }
| T_EXIT exit_expr
{ $attrs = attributes();
$attrs['kind'] = strtolower($1) === 'exit' ? Expr\Exit_::KIND_EXIT : Expr\Exit_::KIND_DIE;
$$ = new Expr\Exit_($2, $attrs); }
| '@' expr { $$ = Expr\ErrorSuppress[$2]; }
| scalar { $$ = $1; }
| '`' backticks_expr '`' { $$ = Expr\ShellExec[$2]; }
| T_PRINT expr { $$ = Expr\Print_[$2]; }
| T_YIELD { $$ = Expr\Yield_[null, null]; }
| T_YIELD expr { $$ = Expr\Yield_[$2, null]; }
| T_YIELD expr T_DOUBLE_ARROW expr { $$ = Expr\Yield_[$4, $2]; }
| T_YIELD_FROM expr { $$ = Expr\YieldFrom[$2]; }
| T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type
'{' inner_statement_list '}'
{ $$ = Expr\Closure[['static' => false, 'byRef' => $2, 'params' => $4, 'uses' => $6, 'returnType' => $7, 'stmts' => $9]]; }
| T_STATIC T_FUNCTION optional_ref '(' parameter_list ')' lexical_vars optional_return_type
'{' inner_statement_list '}'
{ $$ = Expr\Closure[['static' => true, 'byRef' => $3, 'params' => $5, 'uses' => $7, 'returnType' => $8, 'stmts' => $10]]; }
;
anonymous_class:
T_CLASS ctor_arguments extends_from implements_list '{' class_statement_list '}'
{ $$ = array(Stmt\Class_[null, ['type' => 0, 'extends' => $3, 'implements' => $4, 'stmts' => $6]], $2);
$this->checkClass($$[0], -1); }
new_expr:
T_NEW class_name_reference ctor_arguments { $$ = Expr\New_[$2, $3]; }
| T_NEW anonymous_class
{ list($class, $ctorArgs) = $2; $$ = Expr\New_[$class, $ctorArgs]; }
;
lexical_vars:
/* empty */ { $$ = array(); }
| T_USE '(' lexical_var_list ')' { $$ = $3; }
;
lexical_var_list:
non_empty_lexical_var_list no_comma { $$ = $1; }
;
non_empty_lexical_var_list:
lexical_var { init($1); }
| non_empty_lexical_var_list ',' lexical_var { push($1, $3); }
;
lexical_var:
optional_ref T_VARIABLE { $$ = Expr\ClosureUse[parseVar($2), $1]; }
;
function_call:
name argument_list { $$ = Expr\FuncCall[$1, $2]; }
| callable_expr argument_list { $$ = Expr\FuncCall[$1, $2]; }
| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM member_name argument_list
{ $$ = Expr\StaticCall[$1, $3, $4]; }
;
class_name:
T_STATIC { $$ = Name[$1]; }
| name { $$ = $1; }
;
name:
namespace_name_parts { $$ = Name[$1]; }
| T_NS_SEPARATOR namespace_name_parts { $$ = Name\FullyQualified[$2]; }
| T_NAMESPACE T_NS_SEPARATOR namespace_name_parts { $$ = Name\Relative[$3]; }
;
class_name_reference:
class_name { $$ = $1; }
| new_variable { $$ = $1; }
| error { $$ = Expr\Error[]; $this->errorState = 2; }
;
class_name_or_var:
class_name { $$ = $1; }
| dereferencable { $$ = $1; }
;
exit_expr:
/* empty */ { $$ = null; }
| '(' optional_expr ')' { $$ = $2; }
;
backticks_expr:
/* empty */ { $$ = array(); }
| T_ENCAPSED_AND_WHITESPACE
{ $$ = array(Scalar\EncapsedStringPart[Scalar\String_::parseEscapeSequences($1, '`')]); }
| encaps_list { parseEncapsed($1, '`', true); $$ = $1; }
;
ctor_arguments:
/* empty */ { $$ = array(); }
| argument_list { $$ = $1; }
;
constant:
name { $$ = Expr\ConstFetch[$1]; }
| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM identifier
{ $$ = Expr\ClassConstFetch[$1, $3]; }
/* We interpret and isolated FOO:: as an unfinished class constant fetch. It could also be
an unfinished static property fetch or unfinished scoped call. */
| class_name_or_var T_PAAMAYIM_NEKUDOTAYIM error
{ $$ = Expr\ClassConstFetch[$1, new Expr\Error(stackAttributes(#3))]; $this->errorState = 2; }
;
array_short_syntax:
'[' array_pair_list ']'
{ $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_SHORT;
$$ = new Expr\Array_($2, $attrs); }
;
dereferencable_scalar:
T_ARRAY '(' array_pair_list ')'
{ $attrs = attributes(); $attrs['kind'] = Expr\Array_::KIND_LONG;
$$ = new Expr\Array_($3, $attrs); }
| array_short_syntax { $$ = $1; }
| T_CONSTANT_ENCAPSED_STRING
{ $attrs = attributes(); $attrs['kind'] = strKind($1);
$$ = new Scalar\String_(Scalar\String_::parse($1), $attrs); }
;
scalar:
T_LNUMBER { $$ = $this->parseLNumber($1, attributes()); }
| T_DNUMBER { $$ = Scalar\DNumber[Scalar\DNumber::parse($1)]; }
| T_LINE { $$ = Scalar\MagicConst\Line[]; }
| T_FILE { $$ = Scalar\MagicConst\File[]; }
| T_DIR { $$ = Scalar\MagicConst\Dir[]; }
| T_CLASS_C { $$ = Scalar\MagicConst\Class_[]; }
| T_TRAIT_C { $$ = Scalar\MagicConst\Trait_[]; }
| T_METHOD_C { $$ = Scalar\MagicConst\Method[]; }
| T_FUNC_C { $$ = Scalar\MagicConst\Function_[]; }
| T_NS_C { $$ = Scalar\MagicConst\Namespace_[]; }
| dereferencable_scalar { $$ = $1; }
| constant { $$ = $1; }
| T_START_HEREDOC T_ENCAPSED_AND_WHITESPACE T_END_HEREDOC
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
$$ = new Scalar\String_(Scalar\String_::parseDocString($1, $2), $attrs); }
| T_START_HEREDOC T_END_HEREDOC
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
$$ = new Scalar\String_('', $attrs); }
| '"' encaps_list '"'
{ $attrs = attributes(); $attrs['kind'] = Scalar\String_::KIND_DOUBLE_QUOTED;
parseEncapsed($2, '"', true); $$ = new Scalar\Encapsed($2, $attrs); }
| T_START_HEREDOC encaps_list T_END_HEREDOC
{ $attrs = attributes(); setDocStringAttrs($attrs, $1);
parseEncapsedDoc($2, true); $$ = new Scalar\Encapsed($2, $attrs); }
;
optional_expr:
/* empty */ { $$ = null; }
| expr { $$ = $1; }
;
dereferencable:
variable { $$ = $1; }
| '(' expr ')' { $$ = $2; }
| dereferencable_scalar { $$ = $1; }
;
callable_expr:
callable_variable { $$ = $1; }
| '(' expr ')' { $$ = $2; }
| dereferencable_scalar { $$ = $1; }
;
callable_variable:
simple_variable { $$ = Expr\Variable[$1]; }
| dereferencable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| constant '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| dereferencable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| function_call { $$ = $1; }
| dereferencable T_OBJECT_OPERATOR property_name argument_list
{ $$ = Expr\MethodCall[$1, $3, $4]; }
;
variable:
callable_variable { $$ = $1; }
| static_member { $$ = $1; }
| dereferencable T_OBJECT_OPERATOR property_name { $$ = Expr\PropertyFetch[$1, $3]; }
;
simple_variable:
T_VARIABLE { $$ = parseVar($1); }
| '$' '{' expr '}' { $$ = $3; }
| '$' simple_variable { $$ = Expr\Variable[$2]; }
| '$' error { $$ = Expr\Error[]; $this->errorState = 2; }
;
static_member:
class_name_or_var T_PAAMAYIM_NEKUDOTAYIM simple_variable
{ $$ = Expr\StaticPropertyFetch[$1, $3]; }
;
new_variable:
simple_variable { $$ = Expr\Variable[$1]; }
| new_variable '[' optional_expr ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| new_variable '{' expr '}' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| new_variable T_OBJECT_OPERATOR property_name { $$ = Expr\PropertyFetch[$1, $3]; }
| class_name T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = Expr\StaticPropertyFetch[$1, $3]; }
| new_variable T_PAAMAYIM_NEKUDOTAYIM simple_variable { $$ = Expr\StaticPropertyFetch[$1, $3]; }
;
member_name:
identifier { $$ = $1; }
| '{' expr '}' { $$ = $2; }
| simple_variable { $$ = Expr\Variable[$1]; }
;
property_name:
T_STRING { $$ = $1; }
| '{' expr '}' { $$ = $2; }
| simple_variable { $$ = Expr\Variable[$1]; }
| error { $$ = Expr\Error[]; $this->errorState = 2; }
;
list_expr:
T_LIST '(' list_expr_elements ')' { $$ = Expr\List_[$3]; }
;
list_expr_elements:
list_expr_elements ',' list_expr_element { push($1, $3); }
| list_expr_element { init($1); }
;
list_expr_element:
variable { $$ = Expr\ArrayItem[$1, null, false]; }
| list_expr { $$ = Expr\ArrayItem[$1, null, false]; }
| expr T_DOUBLE_ARROW variable { $$ = Expr\ArrayItem[$3, $1, false]; }
| expr T_DOUBLE_ARROW list_expr { $$ = Expr\ArrayItem[$3, $1, false]; }
| /* empty */ { $$ = null; }
;
array_pair_list:
inner_array_pair_list
{ $$ = $1; $end = count($$)-1; if ($$[$end] === null) unset($$[$end]); }
;
inner_array_pair_list:
inner_array_pair_list ',' array_pair { push($1, $3); }
| array_pair { init($1); }
;
array_pair:
expr T_DOUBLE_ARROW expr { $$ = Expr\ArrayItem[$3, $1, false]; }
| expr { $$ = Expr\ArrayItem[$1, null, false]; }
| expr T_DOUBLE_ARROW '&' variable { $$ = Expr\ArrayItem[$4, $1, true]; }
| '&' variable { $$ = Expr\ArrayItem[$2, null, true]; }
| /* empty */ { $$ = null; }
;
encaps_list:
encaps_list encaps_var { push($1, $2); }
| encaps_list encaps_string_part { push($1, $2); }
| encaps_var { init($1); }
| encaps_string_part encaps_var { init($1, $2); }
;
encaps_string_part:
T_ENCAPSED_AND_WHITESPACE { $$ = Scalar\EncapsedStringPart[$1]; }
;
encaps_base_var:
T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; }
;
encaps_var:
encaps_base_var { $$ = $1; }
| encaps_base_var '[' encaps_var_offset ']' { $$ = Expr\ArrayDimFetch[$1, $3]; }
| encaps_base_var T_OBJECT_OPERATOR T_STRING { $$ = Expr\PropertyFetch[$1, $3]; }
| T_DOLLAR_OPEN_CURLY_BRACES expr '}' { $$ = Expr\Variable[$2]; }
| T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '}' { $$ = Expr\Variable[$2]; }
| T_DOLLAR_OPEN_CURLY_BRACES T_STRING_VARNAME '[' expr ']' '}'
{ $$ = Expr\ArrayDimFetch[Expr\Variable[$2], $4]; }
| T_CURLY_OPEN variable '}' { $$ = $2; }
;
encaps_var_offset:
T_STRING { $$ = Scalar\String_[$1]; }
| T_NUM_STRING { $$ = $this->parseNumString($1, attributes()); }
| '-' T_NUM_STRING { $$ = $this->parseNumString('-' . $2, attributes()); }
| T_VARIABLE { $$ = Expr\Variable[parseVar($1)]; }
;
%%

263
vendor/nikic/php-parser/grammar/rebuildParsers.php vendored Normal file
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@ -0,0 +1,263 @@
<?php
$grammarFileToName = [
__DIR__ . '/php5.y' => 'Php5',
__DIR__ . '/php7.y' => 'Php7',
];
$tokensFile = __DIR__ . '/tokens.y';
$tokensTemplate = __DIR__ . '/tokens.template';
$skeletonFile = __DIR__ . '/parser.template';
$tmpGrammarFile = __DIR__ . '/tmp_parser.phpy';
$tmpResultFile = __DIR__ . '/tmp_parser.php';
$resultDir = __DIR__ . '/../lib/PhpParser/Parser';
$tokensResultsFile = $resultDir . '/Tokens.php';
// check for kmyacc.exe binary in this directory, otherwise fall back to global name
$kmyacc = __DIR__ . '/kmyacc.exe';
if (!file_exists($kmyacc)) {
$kmyacc = 'kmyacc';
}
$options = array_flip($argv);
$optionDebug = isset($options['--debug']);
$optionKeepTmpGrammar = isset($options['--keep-tmp-grammar']);
///////////////////////////////
/// Utility regex constants ///
///////////////////////////////
const LIB = '(?(DEFINE)
(?<singleQuotedString>\'[^\\\\\']*+(?:\\\\.[^\\\\\']*+)*+\')
(?<doubleQuotedString>"[^\\\\"]*+(?:\\\\.[^\\\\"]*+)*+")
(?<string>(?&singleQuotedString)|(?&doubleQuotedString))
(?<comment>/\*[^*]*+(?:\*(?!/)[^*]*+)*+\*/)
(?<code>\{[^\'"/{}]*+(?:(?:(?&string)|(?&comment)|(?&code)|/)[^\'"/{}]*+)*+})
)';
const PARAMS = '\[(?<params>[^[\]]*+(?:\[(?&params)\][^[\]]*+)*+)\]';
const ARGS = '\((?<args>[^()]*+(?:\((?&args)\)[^()]*+)*+)\)';
///////////////////
/// Main script ///
///////////////////
$tokens = file_get_contents($tokensFile);
foreach ($grammarFileToName as $grammarFile => $name) {
echo "Building temporary $name grammar file.\n";
$grammarCode = file_get_contents($grammarFile);
$grammarCode = str_replace('%tokens', $tokens, $grammarCode);
$grammarCode = resolveNodes($grammarCode);
$grammarCode = resolveMacros($grammarCode);
$grammarCode = resolveStackAccess($grammarCode);
file_put_contents($tmpGrammarFile, $grammarCode);
$additionalArgs = $optionDebug ? '-t -v' : '';
echo "Building $name parser.\n";
$output = trim(shell_exec("$kmyacc $additionalArgs -l -m $skeletonFile -p $name $tmpGrammarFile 2>&1"));
echo "Output: \"$output\"\n";
$resultCode = file_get_contents($tmpResultFile);
$resultCode = removeTrailingWhitespace($resultCode);
ensureDirExists($resultDir);
file_put_contents("$resultDir/$name.php", $resultCode);
unlink($tmpResultFile);
echo "Building token definition.\n";
$output = trim(shell_exec("$kmyacc -l -m $tokensTemplate $tmpGrammarFile 2>&1"));
assert($output === '');
rename($tmpResultFile, $tokensResultsFile);
if (!$optionKeepTmpGrammar) {
unlink($tmpGrammarFile);
}
}
///////////////////////////////
/// Preprocessing functions ///
///////////////////////////////
function resolveNodes($code) {
return preg_replace_callback(
'~\b(?<name>[A-Z][a-zA-Z_\\\\]++)\s*' . PARAMS . '~',
function($matches) {
// recurse
$matches['params'] = resolveNodes($matches['params']);
$params = magicSplit(
'(?:' . PARAMS . '|' . ARGS . ')(*SKIP)(*FAIL)|,',
$matches['params']
);
$paramCode = '';
foreach ($params as $param) {
$paramCode .= $param . ', ';
}
return 'new ' . $matches['name'] . '(' . $paramCode . 'attributes())';
},
$code
);
}
function resolveMacros($code) {
return preg_replace_callback(
'~\b(?<!::|->)(?!array\()(?<name>[a-z][A-Za-z]++)' . ARGS . '~',
function($matches) {
// recurse
$matches['args'] = resolveMacros($matches['args']);
$name = $matches['name'];
$args = magicSplit(
'(?:' . PARAMS . '|' . ARGS . ')(*SKIP)(*FAIL)|,',
$matches['args']
);
if ('attributes' == $name) {
assertArgs(0, $args, $name);
return '$this->startAttributeStack[#1] + $this->endAttributes';
}
if ('stackAttributes' == $name) {
assertArgs(1, $args, $name);
return '$this->startAttributeStack[' . $args[0] . ']'
. ' + $this->endAttributeStack[' . $args[0] . ']';
}
if ('init' == $name) {
return '$$ = array(' . implode(', ', $args) . ')';
}
if ('push' == $name) {
assertArgs(2, $args, $name);
return $args[0] . '[] = ' . $args[1] . '; $$ = ' . $args[0];
}
if ('pushNormalizing' == $name) {
assertArgs(2, $args, $name);
return 'if (is_array(' . $args[1] . ')) { $$ = array_merge(' . $args[0] . ', ' . $args[1] . '); }'
. ' else { ' . $args[0] . '[] = ' . $args[1] . '; $$ = ' . $args[0] . '; }';
}
if ('toArray' == $name) {
assertArgs(1, $args, $name);
return 'is_array(' . $args[0] . ') ? ' . $args[0] . ' : array(' . $args[0] . ')';
}
if ('parseVar' == $name) {
assertArgs(1, $args, $name);
return 'substr(' . $args[0] . ', 1)';
}
if ('parseEncapsed' == $name) {
assertArgs(3, $args, $name);
return 'foreach (' . $args[0] . ' as $s) { if ($s instanceof Node\Scalar\EncapsedStringPart) {'
. ' $s->value = Node\Scalar\String_::parseEscapeSequences($s->value, ' . $args[1] . ', ' . $args[2] . '); } }';
}
if ('parseEncapsedDoc' == $name) {
assertArgs(2, $args, $name);
return 'foreach (' . $args[0] . ' as $s) { if ($s instanceof Node\Scalar\EncapsedStringPart) {'
. ' $s->value = Node\Scalar\String_::parseEscapeSequences($s->value, null, ' . $args[1] . '); } }'
. ' $s->value = preg_replace(\'~(\r\n|\n|\r)\z~\', \'\', $s->value);'
. ' if (\'\' === $s->value) array_pop(' . $args[0] . ');';
}
if ('makeNop' == $name) {
assertArgs(2, $args, $name);
return '$startAttributes = ' . $args[1] . ';'
. ' if (isset($startAttributes[\'comments\']))'
. ' { ' . $args[0] . ' = new Stmt\Nop([\'comments\' => $startAttributes[\'comments\']]); }'
. ' else { ' . $args[0] . ' = null; }';
}
if ('strKind' == $name) {
assertArgs(1, $args, $name);
return '(' . $args[0] . '[0] === "\'" || (' . $args[0] . '[1] === "\'" && '
. '(' . $args[0] . '[0] === \'b\' || ' . $args[0] . '[0] === \'B\')) '
. '? Scalar\String_::KIND_SINGLE_QUOTED : Scalar\String_::KIND_DOUBLE_QUOTED)';
}
if ('setDocStringAttrs' == $name) {
assertArgs(2, $args, $name);
return $args[0] . '[\'kind\'] = strpos(' . $args[1] . ', "\'") === false '
. '? Scalar\String_::KIND_HEREDOC : Scalar\String_::KIND_NOWDOC; '
. 'preg_match(\'/\A[bB]?<<<[ \t]*[\\\'"]?([a-zA-Z_\x7f-\xff][a-zA-Z0-9_\x7f-\xff]*)[\\\'"]?(?:\r\n|\n|\r)\z/\', ' . $args[1] . ', $matches); '
. $args[0] . '[\'docLabel\'] = $matches[1];';
}
if ('prependLeadingComments' == $name) {
assertArgs(1, $args, $name);
return '$attrs = $this->startAttributeStack[#1]; $stmts = ' . $args[0] . '; '
. 'if (!empty($attrs[\'comments\'])) {'
. '$stmts[0]->setAttribute(\'comments\', '
. 'array_merge($attrs[\'comments\'], $stmts[0]->getAttribute(\'comments\', []))); }';
}
return $matches[0];
},
$code
);
}
function assertArgs($num, $args, $name) {
if ($num != count($args)) {
die('Wrong argument count for ' . $name . '().');
}
}
function resolveStackAccess($code) {
$code = preg_replace('/\$\d+/', '$this->semStack[$0]', $code);
$code = preg_replace('/#(\d+)/', '$$1', $code);
return $code;
}
function removeTrailingWhitespace($code) {
$lines = explode("\n", $code);
$lines = array_map('rtrim', $lines);
return implode("\n", $lines);
}
function ensureDirExists($dir) {
if (!is_dir($dir)) {
mkdir($dir, 0777, true);
}
}
//////////////////////////////
/// Regex helper functions ///
//////////////////////////////
function regex($regex) {
return '~' . LIB . '(?:' . str_replace('~', '\~', $regex) . ')~';
}
function magicSplit($regex, $string) {
$pieces = preg_split(regex('(?:(?&string)|(?&comment)|(?&code))(*SKIP)(*FAIL)|' . $regex), $string);
foreach ($pieces as &$piece) {
$piece = trim($piece);
}
if ($pieces === ['']) {
return [];
}
return $pieces;
}

17
vendor/nikic/php-parser/grammar/tokens.template vendored Normal file
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<?php
$meta #
#semval($) $this->semValue
#semval($,%t) $this->semValue
#semval(%n) $this->stackPos-(%l-%n)
#semval(%n,%t) $this->stackPos-(%l-%n)
namespace PhpParser\Parser;
#include;
/* GENERATED file based on grammar/tokens.y */
final class Tokens
{
#tokenval
const %s = %n;
#endtokenval
}

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vendor/nikic/php-parser/grammar/tokens.y vendored Normal file
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/* We currently rely on the token ID mapping to be the same between PHP 5 and PHP 7 - so the same lexer can be used for
* both. This is enforced by sharing this token file. */
%left T_INCLUDE T_INCLUDE_ONCE T_EVAL T_REQUIRE T_REQUIRE_ONCE
%left ','
%left T_LOGICAL_OR
%left T_LOGICAL_XOR
%left T_LOGICAL_AND
%right T_PRINT
%right T_YIELD
%right T_DOUBLE_ARROW
%right T_YIELD_FROM
%left '=' T_PLUS_EQUAL T_MINUS_EQUAL T_MUL_EQUAL T_DIV_EQUAL T_CONCAT_EQUAL T_MOD_EQUAL T_AND_EQUAL T_OR_EQUAL T_XOR_EQUAL T_SL_EQUAL T_SR_EQUAL T_POW_EQUAL
%left '?' ':'
%right T_COALESCE
%left T_BOOLEAN_OR
%left T_BOOLEAN_AND
%left '|'
%left '^'
%left '&'
%nonassoc T_IS_EQUAL T_IS_NOT_EQUAL T_IS_IDENTICAL T_IS_NOT_IDENTICAL T_SPACESHIP
%nonassoc '<' T_IS_SMALLER_OR_EQUAL '>' T_IS_GREATER_OR_EQUAL
%left T_SL T_SR
%left '+' '-' '.'
%left '*' '/' '%'
%right '!'
%nonassoc T_INSTANCEOF
%right '~' T_INC T_DEC T_INT_CAST T_DOUBLE_CAST T_STRING_CAST T_ARRAY_CAST T_OBJECT_CAST T_BOOL_CAST T_UNSET_CAST '@'
%right T_POW
%right '['
%nonassoc T_NEW T_CLONE
%token T_EXIT
%token T_IF
%left T_ELSEIF
%left T_ELSE
%left T_ENDIF
%token T_LNUMBER
%token T_DNUMBER
%token T_STRING
%token T_STRING_VARNAME
%token T_VARIABLE
%token T_NUM_STRING
%token T_INLINE_HTML
%token T_CHARACTER
%token T_BAD_CHARACTER
%token T_ENCAPSED_AND_WHITESPACE
%token T_CONSTANT_ENCAPSED_STRING
%token T_ECHO
%token T_DO
%token T_WHILE
%token T_ENDWHILE
%token T_FOR
%token T_ENDFOR
%token T_FOREACH
%token T_ENDFOREACH
%token T_DECLARE
%token T_ENDDECLARE
%token T_AS
%token T_SWITCH
%token T_ENDSWITCH
%token T_CASE
%token T_DEFAULT
%token T_BREAK
%token T_CONTINUE
%token T_GOTO
%token T_FUNCTION
%token T_CONST
%token T_RETURN
%token T_TRY
%token T_CATCH
%token T_FINALLY
%token T_THROW
%token T_USE
%token T_INSTEADOF
%token T_GLOBAL
%right T_STATIC T_ABSTRACT T_FINAL T_PRIVATE T_PROTECTED T_PUBLIC
%token T_VAR
%token T_UNSET
%token T_ISSET
%token T_EMPTY
%token T_HALT_COMPILER
%token T_CLASS
%token T_TRAIT
%token T_INTERFACE
%token T_EXTENDS
%token T_IMPLEMENTS
%token T_OBJECT_OPERATOR
%token T_DOUBLE_ARROW
%token T_LIST
%token T_ARRAY
%token T_CALLABLE
%token T_CLASS_C
%token T_TRAIT_C
%token T_METHOD_C
%token T_FUNC_C
%token T_LINE
%token T_FILE
%token T_COMMENT
%token T_DOC_COMMENT
%token T_OPEN_TAG
%token T_OPEN_TAG_WITH_ECHO
%token T_CLOSE_TAG
%token T_WHITESPACE
%token T_START_HEREDOC
%token T_END_HEREDOC
%token T_DOLLAR_OPEN_CURLY_BRACES
%token T_CURLY_OPEN
%token T_PAAMAYIM_NEKUDOTAYIM
%token T_NAMESPACE
%token T_NS_C
%token T_DIR
%token T_NS_SEPARATOR
%token T_ELLIPSIS

40
vendor/nikic/php-parser/lib/PhpParser/Autoloader.php vendored Normal file
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<?php
namespace PhpParser;
/**
* @codeCoverageIgnore
*/
class Autoloader
{
/** @var bool Whether the autoloader has been registered. */
private static $registered = false;
/**
* Registers PhpParser\Autoloader as an SPL autoloader.
*
* @param bool $prepend Whether to prepend the autoloader instead of appending
*/
static public function register($prepend = false) {
if (self::$registered === true) {
return;
}
spl_autoload_register(array(__CLASS__, 'autoload'), true, $prepend);
self::$registered = true;
}
/**
* Handles autoloading of classes.
*
* @param string $class A class name.
*/
static public function autoload($class) {
if (0 === strpos($class, 'PhpParser\\')) {
$fileName = __DIR__ . strtr(substr($class, 9), '\\', '/') . '.php';
if (file_exists($fileName)) {
require $fileName;
}
}
}
}

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vendor/nikic/php-parser/lib/PhpParser/Builder.php vendored Normal file
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<?php
namespace PhpParser;
interface Builder
{
/**
* Returns the built node.
*
* @return Node The built node
*/
public function getNode();
}

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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt;
class Class_ extends Declaration
{
protected $name;
protected $extends = null;
protected $implements = array();
protected $flags = 0;
protected $uses = array();
protected $constants = array();
protected $properties = array();
protected $methods = array();
/**
* Creates a class builder.
*
* @param string $name Name of the class
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Extends a class.
*
* @param Name|string $class Name of class to extend
*
* @return $this The builder instance (for fluid interface)
*/
public function extend($class) {
$this->extends = $this->normalizeName($class);
return $this;
}
/**
* Implements one or more interfaces.
*
* @param Name|string ...$interfaces Names of interfaces to implement
*
* @return $this The builder instance (for fluid interface)
*/
public function implement() {
foreach (func_get_args() as $interface) {
$this->implements[] = $this->normalizeName($interface);
}
return $this;
}
/**
* Makes the class abstract.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeAbstract() {
$this->setModifier(Stmt\Class_::MODIFIER_ABSTRACT);
return $this;
}
/**
* Makes the class final.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeFinal() {
$this->setModifier(Stmt\Class_::MODIFIER_FINAL);
return $this;
}
/**
* Adds a statement.
*
* @param Stmt|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
$stmt = $this->normalizeNode($stmt);
$targets = array(
'Stmt_TraitUse' => &$this->uses,
'Stmt_ClassConst' => &$this->constants,
'Stmt_Property' => &$this->properties,
'Stmt_ClassMethod' => &$this->methods,
);
$type = $stmt->getType();
if (!isset($targets[$type])) {
throw new \LogicException(sprintf('Unexpected node of type "%s"', $type));
}
$targets[$type][] = $stmt;
return $this;
}
/**
* Returns the built class node.
*
* @return Stmt\Class_ The built class node
*/
public function getNode() {
return new Stmt\Class_($this->name, array(
'flags' => $this->flags,
'extends' => $this->extends,
'implements' => $this->implements,
'stmts' => array_merge($this->uses, $this->constants, $this->properties, $this->methods),
), $this->attributes);
}
}

42
vendor/nikic/php-parser/lib/PhpParser/Builder/Declaration.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
abstract class Declaration extends PhpParser\BuilderAbstract
{
protected $attributes = array();
abstract public function addStmt($stmt);
/**
* Adds multiple statements.
*
* @param array $stmts The statements to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmts(array $stmts) {
foreach ($stmts as $stmt) {
$this->addStmt($stmt);
}
return $this;
}
/**
* Sets doc comment for the declaration.
*
* @param PhpParser\Comment\Doc|string $docComment Doc comment to set
*
* @return $this The builder instance (for fluid interface)
*/
public function setDocComment($docComment) {
$this->attributes['comments'] = array(
$this->normalizeDocComment($docComment)
);
return $this;
}
}

75
vendor/nikic/php-parser/lib/PhpParser/Builder/FunctionLike.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node;
abstract class FunctionLike extends Declaration
{
protected $returnByRef = false;
protected $params = array();
/** @var string|Node\Name|Node\NullableType|null */
protected $returnType = null;
/**
* Make the function return by reference.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeReturnByRef() {
$this->returnByRef = true;
return $this;
}
/**
* Adds a parameter.
*
* @param Node\Param|Param $param The parameter to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addParam($param) {
$param = $this->normalizeNode($param);
if (!$param instanceof Node\Param) {
throw new \LogicException(sprintf('Expected parameter node, got "%s"', $param->getType()));
}
$this->params[] = $param;
return $this;
}
/**
* Adds multiple parameters.
*
* @param array $params The parameters to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addParams(array $params) {
foreach ($params as $param) {
$this->addParam($param);
}
return $this;
}
/**
* Sets the return type for PHP 7.
*
* @param string|Node\Name|Node\NullableType $type One of array, callable, string, int, float, bool, iterable,
* or a class/interface name.
*
* @return $this The builder instance (for fluid interface)
*/
public function setReturnType($type)
{
$this->returnType = $this->normalizeType($type);
return $this;
}
}

49
vendor/nikic/php-parser/lib/PhpParser/Builder/Function_.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node;
use PhpParser\Node\Stmt;
class Function_ extends FunctionLike
{
protected $name;
protected $stmts = array();
/**
* Creates a function builder.
*
* @param string $name Name of the function
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Adds a statement.
*
* @param Node|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
$this->stmts[] = $this->normalizeNode($stmt);
return $this;
}
/**
* Returns the built function node.
*
* @return Stmt\Function_ The built function node
*/
public function getNode() {
return new Stmt\Function_($this->name, array(
'byRef' => $this->returnByRef,
'params' => $this->params,
'returnType' => $this->returnType,
'stmts' => $this->stmts,
), $this->attributes);
}
}

80
vendor/nikic/php-parser/lib/PhpParser/Builder/Interface_.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node\Name;
use PhpParser\Node\Stmt;
class Interface_ extends Declaration
{
protected $name;
protected $extends = array();
protected $constants = array();
protected $methods = array();
/**
* Creates an interface builder.
*
* @param string $name Name of the interface
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Extends one or more interfaces.
*
* @param Name|string ...$interfaces Names of interfaces to extend
*
* @return $this The builder instance (for fluid interface)
*/
public function extend() {
foreach (func_get_args() as $interface) {
$this->extends[] = $this->normalizeName($interface);
}
return $this;
}
/**
* Adds a statement.
*
* @param Stmt|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
$stmt = $this->normalizeNode($stmt);
$type = $stmt->getType();
switch ($type) {
case 'Stmt_ClassConst':
$this->constants[] = $stmt;
break;
case 'Stmt_ClassMethod':
// we erase all statements in the body of an interface method
$stmt->stmts = null;
$this->methods[] = $stmt;
break;
default:
throw new \LogicException(sprintf('Unexpected node of type "%s"', $type));
}
return $this;
}
/**
* Returns the built interface node.
*
* @return Stmt\Interface_ The built interface node
*/
public function getNode() {
return new Stmt\Interface_($this->name, array(
'extends' => $this->extends,
'stmts' => array_merge($this->constants, $this->methods),
), $this->attributes);
}
}

128
vendor/nikic/php-parser/lib/PhpParser/Builder/Method.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node;
use PhpParser\Node\Stmt;
class Method extends FunctionLike
{
protected $name;
protected $flags = 0;
/** @var array|null */
protected $stmts = array();
/**
* Creates a method builder.
*
* @param string $name Name of the method
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Makes the method public.
*
* @return $this The builder instance (for fluid interface)
*/
public function makePublic() {
$this->setModifier(Stmt\Class_::MODIFIER_PUBLIC);
return $this;
}
/**
* Makes the method protected.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeProtected() {
$this->setModifier(Stmt\Class_::MODIFIER_PROTECTED);
return $this;
}
/**
* Makes the method private.
*
* @return $this The builder instance (for fluid interface)
*/
public function makePrivate() {
$this->setModifier(Stmt\Class_::MODIFIER_PRIVATE);
return $this;
}
/**
* Makes the method static.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeStatic() {
$this->setModifier(Stmt\Class_::MODIFIER_STATIC);
return $this;
}
/**
* Makes the method abstract.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeAbstract() {
if (!empty($this->stmts)) {
throw new \LogicException('Cannot make method with statements abstract');
}
$this->setModifier(Stmt\Class_::MODIFIER_ABSTRACT);
$this->stmts = null; // abstract methods don't have statements
return $this;
}
/**
* Makes the method final.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeFinal() {
$this->setModifier(Stmt\Class_::MODIFIER_FINAL);
return $this;
}
/**
* Adds a statement.
*
* @param Node|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
if (null === $this->stmts) {
throw new \LogicException('Cannot add statements to an abstract method');
}
$this->stmts[] = $this->normalizeNode($stmt);
return $this;
}
/**
* Returns the built method node.
*
* @return Stmt\ClassMethod The built method node
*/
public function getNode() {
return new Stmt\ClassMethod($this->name, array(
'flags' => $this->flags,
'byRef' => $this->returnByRef,
'params' => $this->params,
'returnType' => $this->returnType,
'stmts' => $this->stmts,
), $this->attributes);
}
}

44
vendor/nikic/php-parser/lib/PhpParser/Builder/Namespace_.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node;
use PhpParser\Node\Stmt;
class Namespace_ extends Declaration
{
private $name;
private $stmts = array();
/**
* Creates a namespace builder.
*
* @param Node\Name|string|null $name Name of the namespace
*/
public function __construct($name) {
$this->name = null !== $name ? $this->normalizeName($name) : null;
}
/**
* Adds a statement.
*
* @param Node|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
$this->stmts[] = $this->normalizeNode($stmt);
return $this;
}
/**
* Returns the built node.
*
* @return Node The built node
*/
public function getNode() {
return new Stmt\Namespace_($this->name, $this->stmts, $this->attributes);
}
}

91
vendor/nikic/php-parser/lib/PhpParser/Builder/Param.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node;
class Param extends PhpParser\BuilderAbstract
{
protected $name;
protected $default = null;
/** @var string|Node\Name|Node\NullableType|null */
protected $type = null;
protected $byRef = false;
protected $variadic = false;
/**
* Creates a parameter builder.
*
* @param string $name Name of the parameter
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Sets default value for the parameter.
*
* @param mixed $value Default value to use
*
* @return $this The builder instance (for fluid interface)
*/
public function setDefault($value) {
$this->default = $this->normalizeValue($value);
return $this;
}
/**
* Sets type hint for the parameter.
*
* @param string|Node\Name|Node\NullableType $type Type hint to use
*
* @return $this The builder instance (for fluid interface)
*/
public function setTypeHint($type) {
$this->type = $this->normalizeType($type);
if ($this->type === 'void') {
throw new \LogicException('Parameter type cannot be void');
}
return $this;
}
/**
* Make the parameter accept the value by reference.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeByRef() {
$this->byRef = true;
return $this;
}
/**
* Make the parameter variadic
*
* @return $this The builder instance (for fluid interface)
*/
public function makeVariadic() {
$this->variadic = true;
return $this;
}
/**
* Returns the built parameter node.
*
* @return Node\Param The built parameter node
*/
public function getNode() {
return new Node\Param(
$this->name, $this->default, $this->type, $this->byRef, $this->variadic
);
}
}

111
vendor/nikic/php-parser/lib/PhpParser/Builder/Property.php vendored Normal file
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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node\Stmt;
class Property extends PhpParser\BuilderAbstract
{
protected $name;
protected $flags = 0;
protected $default = null;
protected $attributes = array();
/**
* Creates a property builder.
*
* @param string $name Name of the property
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Makes the property public.
*
* @return $this The builder instance (for fluid interface)
*/
public function makePublic() {
$this->setModifier(Stmt\Class_::MODIFIER_PUBLIC);
return $this;
}
/**
* Makes the property protected.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeProtected() {
$this->setModifier(Stmt\Class_::MODIFIER_PROTECTED);
return $this;
}
/**
* Makes the property private.
*
* @return $this The builder instance (for fluid interface)
*/
public function makePrivate() {
$this->setModifier(Stmt\Class_::MODIFIER_PRIVATE);
return $this;
}
/**
* Makes the property static.
*
* @return $this The builder instance (for fluid interface)
*/
public function makeStatic() {
$this->setModifier(Stmt\Class_::MODIFIER_STATIC);
return $this;
}
/**
* Sets default value for the property.
*
* @param mixed $value Default value to use
*
* @return $this The builder instance (for fluid interface)
*/
public function setDefault($value) {
$this->default = $this->normalizeValue($value);
return $this;
}
/**
* Sets doc comment for the property.
*
* @param PhpParser\Comment\Doc|string $docComment Doc comment to set
*
* @return $this The builder instance (for fluid interface)
*/
public function setDocComment($docComment) {
$this->attributes = array(
'comments' => array($this->normalizeDocComment($docComment))
);
return $this;
}
/**
* Returns the built class node.
*
* @return Stmt\Property The built property node
*/
public function getNode() {
return new Stmt\Property(
$this->flags !== 0 ? $this->flags : Stmt\Class_::MODIFIER_PUBLIC,
array(
new Stmt\PropertyProperty($this->name, $this->default)
),
$this->attributes
);
}
}

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<?php
namespace PhpParser\Builder;
use PhpParser;
use PhpParser\Node\Stmt;
class Trait_ extends Declaration
{
protected $name;
protected $uses = array();
protected $properties = array();
protected $methods = array();
/**
* Creates an interface builder.
*
* @param string $name Name of the interface
*/
public function __construct($name) {
$this->name = $name;
}
/**
* Adds a statement.
*
* @param Stmt|PhpParser\Builder $stmt The statement to add
*
* @return $this The builder instance (for fluid interface)
*/
public function addStmt($stmt) {
$stmt = $this->normalizeNode($stmt);
if ($stmt instanceof Stmt\Property) {
$this->properties[] = $stmt;
} else if ($stmt instanceof Stmt\ClassMethod) {
$this->methods[] = $stmt;
} else if ($stmt instanceof Stmt\TraitUse) {
$this->uses[] = $stmt;
} else {
throw new \LogicException(sprintf('Unexpected node of type "%s"', $stmt->getType()));
}
return $this;
}
/**
* Returns the built trait node.
*
* @return Stmt\Trait_ The built interface node
*/
public function getNode() {
return new Stmt\Trait_(
$this->name, array(
'stmts' => array_merge($this->uses, $this->properties, $this->methods)
), $this->attributes
);
}
}

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<?php
namespace PhpParser\Builder;
use PhpParser\BuilderAbstract;
use PhpParser\Node;
use PhpParser\Node\Stmt;
/**
* @method $this as(string $alias) Sets alias for used name.
*/
class Use_ extends BuilderAbstract {
protected $name;
protected $type;
protected $alias = null;
/**
* Creates a name use (alias) builder.
*
* @param Node\Name|string $name Name of the entity (namespace, class, function, constant) to alias
* @param int $type One of the Stmt\Use_::TYPE_* constants
*/
public function __construct($name, $type) {
$this->name = $this->normalizeName($name);
$this->type = $type;
}
/**
* Sets alias for used name.
*
* @param string $alias Alias to use (last component of full name by default)
*
* @return $this The builder instance (for fluid interface)
*/
protected function as_($alias) {
$this->alias = $alias;
return $this;
}
public function __call($name, $args) {
if (method_exists($this, $name . '_')) {
return call_user_func_array(array($this, $name . '_'), $args);
}
throw new \LogicException(sprintf('Method "%s" does not exist', $name));
}
/**
* Returns the built node.
*
* @return Node The built node
*/
public function getNode() {
$alias = null !== $this->alias ? $this->alias : $this->name->getLast();
return new Stmt\Use_(array(
new Stmt\UseUse($this->name, $alias)
), $this->type);
}
}

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<?php
namespace PhpParser;
use PhpParser\Comment;
use PhpParser\Node\Expr;
use PhpParser\Node\Name;
use PhpParser\Node\NullableType;
use PhpParser\Node\Scalar;
use PhpParser\Node\Stmt;
abstract class BuilderAbstract implements Builder {
/**
* Normalizes a node: Converts builder objects to nodes.
*
* @param Node|Builder $node The node to normalize
*
* @return Node The normalized node
*/
protected function normalizeNode($node) {
if ($node instanceof Builder) {
return $node->getNode();
} elseif ($node instanceof Node) {
return $node;
}
throw new \LogicException('Expected node or builder object');
}
/**
* Normalizes a name: Converts plain string names to PhpParser\Node\Name.
*
* @param Name|string $name The name to normalize
*
* @return Name The normalized name
*/
protected function normalizeName($name) {
if ($name instanceof Name) {
return $name;
} elseif (is_string($name)) {
if (!$name) {
throw new \LogicException('Name cannot be empty');
}
if ($name[0] == '\\') {
return new Name\FullyQualified(substr($name, 1));
} elseif (0 === strpos($name, 'namespace\\')) {
return new Name\Relative(substr($name, strlen('namespace\\')));
} else {
return new Name($name);
}
}
throw new \LogicException('Name must be a string or an instance of PhpParser\Node\Name');
}
/**
* Normalizes a type: Converts plain-text type names into proper AST representation.
*
* In particular, builtin types are left as strings, custom types become Names and nullables
* are wrapped in NullableType nodes.
*
* @param Name|string|NullableType $type The type to normalize
*
* @return Name|string|NullableType The normalized type
*/
protected function normalizeType($type) {
if (!is_string($type)) {
if (!$type instanceof Name && !$type instanceof NullableType) {
throw new \LogicException(
'Type must be a string, or an instance of Name or NullableType');
}
return $type;
}
$nullable = false;
if (strlen($type) > 0 && $type[0] === '?') {
$nullable = true;
$type = substr($type, 1);
}
$builtinTypes = array(
'array', 'callable', 'string', 'int', 'float', 'bool', 'iterable', 'void', 'object'
);
$lowerType = strtolower($type);
if (in_array($lowerType, $builtinTypes)) {
$type = $lowerType;
} else {
$type = $this->normalizeName($type);
}
if ($nullable && $type === 'void') {
throw new \LogicException('void type cannot be nullable');
}
return $nullable ? new Node\NullableType($type) : $type;
}
/**
* Normalizes a value: Converts nulls, booleans, integers,
* floats, strings and arrays into their respective nodes
*
* @param mixed $value The value to normalize
*
* @return Expr The normalized value
*/
protected function normalizeValue($value) {
if ($value instanceof Node) {
return $value;
} elseif (is_null($value)) {
return new Expr\ConstFetch(
new Name('null')
);
} elseif (is_bool($value)) {
return new Expr\ConstFetch(
new Name($value ? 'true' : 'false')
);
} elseif (is_int($value)) {
return new Scalar\LNumber($value);
} elseif (is_float($value)) {
return new Scalar\DNumber($value);
} elseif (is_string($value)) {
return new Scalar\String_($value);
} elseif (is_array($value)) {
$items = array();
$lastKey = -1;
foreach ($value as $itemKey => $itemValue) {
// for consecutive, numeric keys don't generate keys
if (null !== $lastKey && ++$lastKey === $itemKey) {
$items[] = new Expr\ArrayItem(
$this->normalizeValue($itemValue)
);
} else {
$lastKey = null;
$items[] = new Expr\ArrayItem(
$this->normalizeValue($itemValue),
$this->normalizeValue($itemKey)
);
}
}
return new Expr\Array_($items);
} else {
throw new \LogicException('Invalid value');
}
}
/**
* Normalizes a doc comment: Converts plain strings to PhpParser\Comment\Doc.
*
* @param Comment\Doc|string $docComment The doc comment to normalize
*
* @return Comment\Doc The normalized doc comment
*/
protected function normalizeDocComment($docComment) {
if ($docComment instanceof Comment\Doc) {
return $docComment;
} else if (is_string($docComment)) {
return new Comment\Doc($docComment);
} else {
throw new \LogicException('Doc comment must be a string or an instance of PhpParser\Comment\Doc');
}
}
/**
* Sets a modifier in the $this->type property.
*
* @param int $modifier Modifier to set
*/
protected function setModifier($modifier) {
Stmt\Class_::verifyModifier($this->flags, $modifier);
$this->flags |= $modifier;
}
}

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<?php
namespace PhpParser;
use PhpParser\Builder;
use PhpParser\Node\Stmt\Use_;
/**
* The following methods use reserved keywords, so their implementation is defined with an underscore and made available
* with the reserved name through __call() magic.
*
* @method Builder\Namespace_ namespace(string $name) Creates a namespace builder.
* @method Builder\Class_ class(string $name) Creates a class builder.
* @method Builder\Interface_ interface(string $name) Creates an interface builder.
* @method Builder\Trait_ trait(string $name) Creates a trait builder.
* @method Builder\Function_ function(string $name) Creates a function builder.
* @method Builder\Use_ use(string $name) Creates a namespace/class use builder.
*/
class BuilderFactory
{
/**
* Creates a namespace builder.
*
* @param null|string|Node\Name $name Name of the namespace
*
* @return Builder\Namespace_ The created namespace builder
*/
protected function _namespace($name) {
return new Builder\Namespace_($name);
}
/**
* Creates a class builder.
*
* @param string $name Name of the class
*
* @return Builder\Class_ The created class builder
*/
protected function _class($name) {
return new Builder\Class_($name);
}
/**
* Creates an interface builder.
*
* @param string $name Name of the interface
*
* @return Builder\Interface_ The created interface builder
*/
protected function _interface($name) {
return new Builder\Interface_($name);
}
/**
* Creates a trait builder.
*
* @param string $name Name of the trait
*
* @return Builder\Trait_ The created trait builder
*/
protected function _trait($name) {
return new Builder\Trait_($name);
}
/**
* Creates a method builder.
*
* @param string $name Name of the method
*
* @return Builder\Method The created method builder
*/
public function method($name) {
return new Builder\Method($name);
}
/**
* Creates a parameter builder.
*
* @param string $name Name of the parameter
*
* @return Builder\Param The created parameter builder
*/
public function param($name) {
return new Builder\Param($name);
}
/**
* Creates a property builder.
*
* @param string $name Name of the property
*
* @return Builder\Property The created property builder
*/
public function property($name) {
return new Builder\Property($name);
}
/**
* Creates a function builder.
*
* @param string $name Name of the function
*
* @return Builder\Function_ The created function builder
*/
protected function _function($name) {
return new Builder\Function_($name);
}
/**
* Creates a namespace/class use builder.
*
* @param string|Node\Name Name to alias
*
* @return Builder\Use_ The create use builder
*/
protected function _use($name) {
return new Builder\Use_($name, Use_::TYPE_NORMAL);
}
public function __call($name, array $args) {
if (method_exists($this, '_' . $name)) {
return call_user_func_array(array($this, '_' . $name), $args);
}
throw new \LogicException(sprintf('Method "%s" does not exist', $name));
}
}

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<?php
namespace PhpParser;
class Comment implements \JsonSerializable
{
protected $text;
protected $line;
protected $filePos;
/**
* Constructs a comment node.
*
* @param string $text Comment text (including comment delimiters like /*)
* @param int $startLine Line number the comment started on
* @param int $startFilePos File offset the comment started on
*/
public function __construct($text, $startLine = -1, $startFilePos = -1) {
$this->text = $text;
$this->line = $startLine;
$this->filePos = $startFilePos;
}
/**
* Gets the comment text.
*
* @return string The comment text (including comment delimiters like /*)
*/
public function getText() {
return $this->text;
}
/**
* Gets the line number the comment started on.
*
* @return int Line number
*/
public function getLine() {
return $this->line;
}
/**
* Gets the file offset the comment started on.
*
* @return int File offset
*/
public function getFilePos() {
return $this->filePos;
}
/**
* Gets the comment text.
*
* @return string The comment text (including comment delimiters like /*)
*/
public function __toString() {
return $this->text;
}
/**
* Gets the reformatted comment text.
*
* "Reformatted" here means that we try to clean up the whitespace at the
* starts of the lines. This is necessary because we receive the comments
* without trailing whitespace on the first line, but with trailing whitespace
* on all subsequent lines.
*
* @return mixed|string
*/
public function getReformattedText() {
$text = trim($this->text);
$newlinePos = strpos($text, "\n");
if (false === $newlinePos) {
// Single line comments don't need further processing
return $text;
} elseif (preg_match('((*BSR_ANYCRLF)(*ANYCRLF)^.*(?:\R\s+\*.*)+$)', $text)) {
// Multi line comment of the type
//
// /*
// * Some text.
// * Some more text.
// */
//
// is handled by replacing the whitespace sequences before the * by a single space
return preg_replace('(^\s+\*)m', ' *', $this->text);
} elseif (preg_match('(^/\*\*?\s*[\r\n])', $text) && preg_match('(\n(\s*)\*/$)', $text, $matches)) {
// Multi line comment of the type
//
// /*
// Some text.
// Some more text.
// */
//
// is handled by removing the whitespace sequence on the line before the closing
// */ on all lines. So if the last line is " */", then " " is removed at the
// start of all lines.
return preg_replace('(^' . preg_quote($matches[1]) . ')m', '', $text);
} elseif (preg_match('(^/\*\*?\s*(?!\s))', $text, $matches)) {
// Multi line comment of the type
//
// /* Some text.
// Some more text.
// Indented text.
// Even more text. */
//
// is handled by removing the difference between the shortest whitespace prefix on all
// lines and the length of the "/* " opening sequence.
$prefixLen = $this->getShortestWhitespacePrefixLen(substr($text, $newlinePos + 1));
$removeLen = $prefixLen - strlen($matches[0]);
return preg_replace('(^\s{' . $removeLen . '})m', '', $text);
}
// No idea how to format this comment, so simply return as is
return $text;
}
private function getShortestWhitespacePrefixLen($str) {
$lines = explode("\n", $str);
$shortestPrefixLen = INF;
foreach ($lines as $line) {
preg_match('(^\s*)', $line, $matches);
$prefixLen = strlen($matches[0]);
if ($prefixLen < $shortestPrefixLen) {
$shortestPrefixLen = $prefixLen;
}
}
return $shortestPrefixLen;
}
public function jsonSerialize() {
// Technically not a node, but we make it look like one anyway
$type = $this instanceof Comment\Doc ? 'Comment_Doc' : 'Comment';
return [
'nodeType' => $type,
'text' => $this->text,
'line' => $this->line,
'filePos' => $this->filePos,
];
}
}

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vendor/nikic/php-parser/lib/PhpParser/Comment/Doc.php vendored Normal file
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<?php
namespace PhpParser\Comment;
class Doc extends \PhpParser\Comment
{
}

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<?php
namespace PhpParser;
class Error extends \RuntimeException
{
protected $rawMessage;
protected $attributes;
/**
* Creates an Exception signifying a parse error.
*
* @param string $message Error message
* @param array|int $attributes Attributes of node/token where error occurred
* (or start line of error -- deprecated)
*/
public function __construct($message, $attributes = array()) {
$this->rawMessage = (string) $message;
if (is_array($attributes)) {
$this->attributes = $attributes;
} else {
$this->attributes = array('startLine' => $attributes);
}
$this->updateMessage();
}
/**
* Gets the error message
*
* @return string Error message
*/
public function getRawMessage() {
return $this->rawMessage;
}
/**
* Gets the line the error starts in.
*
* @return int Error start line
*/
public function getStartLine() {
return isset($this->attributes['startLine']) ? $this->attributes['startLine'] : -1;
}
/**
* Gets the line the error ends in.
*
* @return int Error end line
*/
public function getEndLine() {
return isset($this->attributes['endLine']) ? $this->attributes['endLine'] : -1;
}
/**
* Gets the attributes of the node/token the error occurred at.
*
* @return array
*/
public function getAttributes() {
return $this->attributes;
}
/**
* Sets the attributes of the node/token the error occured at.
*
* @param array $attributes
*/
public function setAttributes(array $attributes) {
$this->attributes = $attributes;
$this->updateMessage();
}
/**
* Sets the line of the PHP file the error occurred in.
*
* @param string $message Error message
*/
public function setRawMessage($message) {
$this->rawMessage = (string) $message;
$this->updateMessage();
}
/**
* Sets the line the error starts in.
*
* @param int $line Error start line
*/
public function setStartLine($line) {
$this->attributes['startLine'] = (int) $line;
$this->updateMessage();
}
/**
* Returns whether the error has start and end column information.
*
* For column information enable the startFilePos and endFilePos in the lexer options.
*
* @return bool
*/
public function hasColumnInfo() {
return isset($this->attributes['startFilePos']) && isset($this->attributes['endFilePos']);
}
/**
* Gets the start column (1-based) into the line where the error started.
*
* @param string $code Source code of the file
* @return int
*/
public function getStartColumn($code) {
if (!$this->hasColumnInfo()) {
throw new \RuntimeException('Error does not have column information');
}
return $this->toColumn($code, $this->attributes['startFilePos']);
}
/**
* Gets the end column (1-based) into the line where the error ended.
*
* @param string $code Source code of the file
* @return int
*/
public function getEndColumn($code) {
if (!$this->hasColumnInfo()) {
throw new \RuntimeException('Error does not have column information');
}
return $this->toColumn($code, $this->attributes['endFilePos']);
}
public function getMessageWithColumnInfo($code) {
return sprintf(
'%s from %d:%d to %d:%d', $this->getRawMessage(),
$this->getStartLine(), $this->getStartColumn($code),
$this->getEndLine(), $this->getEndColumn($code)
);
}
private function toColumn($code, $pos) {
if ($pos > strlen($code)) {
throw new \RuntimeException('Invalid position information');
}
$lineStartPos = strrpos($code, "\n", $pos - strlen($code));
if (false === $lineStartPos) {
$lineStartPos = -1;
}
return $pos - $lineStartPos;
}
/**
* Updates the exception message after a change to rawMessage or rawLine.
*/
protected function updateMessage() {
$this->message = $this->rawMessage;
if (-1 === $this->getStartLine()) {
$this->message .= ' on unknown line';
} else {
$this->message .= ' on line ' . $this->getStartLine();
}
}
}

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vendor/nikic/php-parser/lib/PhpParser/ErrorHandler.php vendored Normal file
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<?php
namespace PhpParser;
interface ErrorHandler
{
/**
* Handle an error generated during lexing, parsing or some other operation.
*
* @param Error $error The error that needs to be handled
*/
public function handleError(Error $error);
}

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vendor/nikic/php-parser/lib/PhpParser/ErrorHandler/Collecting.php vendored Normal file
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<?php
namespace PhpParser\ErrorHandler;
use PhpParser\Error;
use PhpParser\ErrorHandler;
/**
* Error handler that collects all errors into an array.
*
* This allows graceful handling of errors.
*/
class Collecting implements ErrorHandler
{
/** @var Error[] Collected errors */
private $errors = [];
public function handleError(Error $error) {
$this->errors[] = $error;
}
/**
* Get collected errors.
*
* @return Error[]
*/
public function getErrors() {
return $this->errors;
}
/**
* Check whether there are any errors.
*
* @return bool
*/
public function hasErrors() {
return !empty($this->errors);
}
/**
* Reset/clear collected errors.
*/
public function clearErrors() {
$this->errors = [];
}
}

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vendor/nikic/php-parser/lib/PhpParser/ErrorHandler/Throwing.php vendored Normal file
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<?php
namespace PhpParser\ErrorHandler;
use PhpParser\Error;
use PhpParser\ErrorHandler;
/**
* Error handler that handles all errors by throwing them.
*
* This is the default strategy used by all components.
*/
class Throwing implements ErrorHandler
{
public function handleError(Error $error) {
throw $error;
}
}

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<?php
namespace PhpParser;
use PhpParser\Parser\Tokens;
class Lexer
{
protected $code;
protected $tokens;
protected $pos;
protected $line;
protected $filePos;
protected $prevCloseTagHasNewline;
protected $tokenMap;
protected $dropTokens;
protected $usedAttributes;
/**
* Creates a Lexer.
*
* @param array $options Options array. Currently only the 'usedAttributes' option is supported,
* which is an array of attributes to add to the AST nodes. Possible
* attributes are: 'comments', 'startLine', 'endLine', 'startTokenPos',
* 'endTokenPos', 'startFilePos', 'endFilePos'. The option defaults to the
* first three. For more info see getNextToken() docs.
*/
public function __construct(array $options = array()) {
// map from internal tokens to PhpParser tokens
$this->tokenMap = $this->createTokenMap();
// map of tokens to drop while lexing (the map is only used for isset lookup,
// that's why the value is simply set to 1; the value is never actually used.)
$this->dropTokens = array_fill_keys(
array(T_WHITESPACE, T_OPEN_TAG, T_COMMENT, T_DOC_COMMENT), 1
);
// the usedAttributes member is a map of the used attribute names to a dummy
// value (here "true")
$options += array(
'usedAttributes' => array('comments', 'startLine', 'endLine'),
);
$this->usedAttributes = array_fill_keys($options['usedAttributes'], true);
}
/**
* Initializes the lexer for lexing the provided source code.
*
* This function does not throw if lexing errors occur. Instead, errors may be retrieved using
* the getErrors() method.
*
* @param string $code The source code to lex
* @param ErrorHandler|null $errorHandler Error handler to use for lexing errors. Defaults to
* ErrorHandler\Throwing
*/
public function startLexing($code, ErrorHandler $errorHandler = null) {
if (null === $errorHandler) {
$errorHandler = new ErrorHandler\Throwing();
}
$this->code = $code; // keep the code around for __halt_compiler() handling
$this->pos = -1;
$this->line = 1;
$this->filePos = 0;
// If inline HTML occurs without preceding code, treat it as if it had a leading newline.
// This ensures proper composability, because having a newline is the "safe" assumption.
$this->prevCloseTagHasNewline = true;
$scream = ini_set('xdebug.scream', '0');
$this->resetErrors();
$this->tokens = @token_get_all($code);
$this->handleErrors($errorHandler);
if (false !== $scream) {
ini_set('xdebug.scream', $scream);
}
}
protected function resetErrors() {
if (function_exists('error_clear_last')) {
error_clear_last();
} else {
// set error_get_last() to defined state by forcing an undefined variable error
set_error_handler(function() { return false; }, 0);
@$undefinedVariable;
restore_error_handler();
}
}
private function handleInvalidCharacterRange($start, $end, $line, ErrorHandler $errorHandler) {
for ($i = $start; $i < $end; $i++) {
$chr = $this->code[$i];
if ($chr === 'b' || $chr === 'B') {
// HHVM does not treat b" tokens correctly, so ignore these
continue;
}
if ($chr === "\0") {
// PHP cuts error message after null byte, so need special case
$errorMsg = 'Unexpected null byte';
} else {
$errorMsg = sprintf(
'Unexpected character "%s" (ASCII %d)', $chr, ord($chr)
);
}
$errorHandler->handleError(new Error($errorMsg, [
'startLine' => $line,
'endLine' => $line,
'startFilePos' => $i,
'endFilePos' => $i,
]));
}
}
private function isUnterminatedComment($token) {
return ($token[0] === T_COMMENT || $token[0] === T_DOC_COMMENT)
&& substr($token[1], 0, 2) === '/*'
&& substr($token[1], -2) !== '*/';
}
private function errorMayHaveOccurred() {
if (defined('HHVM_VERSION')) {
// In HHVM token_get_all() does not throw warnings, so we need to conservatively
// assume that an error occurred
return true;
}
$error = error_get_last();
return null !== $error
&& false === strpos($error['message'], 'Undefined variable');
}
protected function handleErrors(ErrorHandler $errorHandler) {
if (!$this->errorMayHaveOccurred()) {
return;
}
// PHP's error handling for token_get_all() is rather bad, so if we want detailed
// error information we need to compute it ourselves. Invalid character errors are
// detected by finding "gaps" in the token array. Unterminated comments are detected
// by checking if a trailing comment has a "*/" at the end.
$filePos = 0;
$line = 1;
foreach ($this->tokens as $i => $token) {
$tokenValue = \is_string($token) ? $token : $token[1];
$tokenLen = \strlen($tokenValue);
if (substr($this->code, $filePos, $tokenLen) !== $tokenValue) {
// Something is missing, must be an invalid character
$nextFilePos = strpos($this->code, $tokenValue, $filePos);
$this->handleInvalidCharacterRange(
$filePos, $nextFilePos, $line, $errorHandler);
$filePos = $nextFilePos;
}
$filePos += $tokenLen;
$line += substr_count($tokenValue, "\n");
}
if ($filePos !== \strlen($this->code)) {
if (substr($this->code, $filePos, 2) === '/*') {
// Unlike PHP, HHVM will drop unterminated comments entirely
$comment = substr($this->code, $filePos);
$errorHandler->handleError(new Error('Unterminated comment', [
'startLine' => $line,
'endLine' => $line + substr_count($comment, "\n"),
'startFilePos' => $filePos,
'endFilePos' => $filePos + \strlen($comment),
]));
// Emulate the PHP behavior
$isDocComment = isset($comment[3]) && $comment[3] === '*';
$this->tokens[] = [$isDocComment ? T_DOC_COMMENT : T_COMMENT, $comment, $line];
} else {
// Invalid characters at the end of the input
$this->handleInvalidCharacterRange(
$filePos, \strlen($this->code), $line, $errorHandler);
}
return;
}
if (count($this->tokens) > 0) {
// Check for unterminated comment
$lastToken = $this->tokens[count($this->tokens) - 1];
if ($this->isUnterminatedComment($lastToken)) {
$errorHandler->handleError(new Error('Unterminated comment', [
'startLine' => $line - substr_count($lastToken[1], "\n"),
'endLine' => $line,
'startFilePos' => $filePos - \strlen($lastToken[1]),
'endFilePos' => $filePos,
]));
}
}
}
/**
* Fetches the next token.
*
* The available attributes are determined by the 'usedAttributes' option, which can
* be specified in the constructor. The following attributes are supported:
*
* * 'comments' => Array of PhpParser\Comment or PhpParser\Comment\Doc instances,
* representing all comments that occurred between the previous
* non-discarded token and the current one.
* * 'startLine' => Line in which the node starts.
* * 'endLine' => Line in which the node ends.
* * 'startTokenPos' => Offset into the token array of the first token in the node.
* * 'endTokenPos' => Offset into the token array of the last token in the node.
* * 'startFilePos' => Offset into the code string of the first character that is part of the node.
* * 'endFilePos' => Offset into the code string of the last character that is part of the node.
*
* @param mixed $value Variable to store token content in
* @param mixed $startAttributes Variable to store start attributes in
* @param mixed $endAttributes Variable to store end attributes in
*
* @return int Token id
*/
public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
$startAttributes = array();
$endAttributes = array();
while (1) {
if (isset($this->tokens[++$this->pos])) {
$token = $this->tokens[$this->pos];
} else {
// EOF token with ID 0
$token = "\0";
}
if (isset($this->usedAttributes['startLine'])) {
$startAttributes['startLine'] = $this->line;
}
if (isset($this->usedAttributes['startTokenPos'])) {
$startAttributes['startTokenPos'] = $this->pos;
}
if (isset($this->usedAttributes['startFilePos'])) {
$startAttributes['startFilePos'] = $this->filePos;
}
if (\is_string($token)) {
$value = $token;
if (isset($token[1])) {
// bug in token_get_all
$this->filePos += 2;
$id = ord('"');
} else {
$this->filePos += 1;
$id = ord($token);
}
} elseif (!isset($this->dropTokens[$token[0]])) {
$value = $token[1];
$id = $this->tokenMap[$token[0]];
if (T_CLOSE_TAG === $token[0]) {
$this->prevCloseTagHasNewline = false !== strpos($token[1], "\n");
} else if (T_INLINE_HTML === $token[0]) {
$startAttributes['hasLeadingNewline'] = $this->prevCloseTagHasNewline;
}
$this->line += substr_count($value, "\n");
$this->filePos += \strlen($value);
} else {
if (T_COMMENT === $token[0] || T_DOC_COMMENT === $token[0]) {
if (isset($this->usedAttributes['comments'])) {
$comment = T_DOC_COMMENT === $token[0]
? new Comment\Doc($token[1], $this->line, $this->filePos)
: new Comment($token[1], $this->line, $this->filePos);
$startAttributes['comments'][] = $comment;
}
}
$this->line += substr_count($token[1], "\n");
$this->filePos += \strlen($token[1]);
continue;
}
if (isset($this->usedAttributes['endLine'])) {
$endAttributes['endLine'] = $this->line;
}
if (isset($this->usedAttributes['endTokenPos'])) {
$endAttributes['endTokenPos'] = $this->pos;
}
if (isset($this->usedAttributes['endFilePos'])) {
$endAttributes['endFilePos'] = $this->filePos - 1;
}
return $id;
}
throw new \RuntimeException('Reached end of lexer loop');
}
/**
* Returns the token array for current code.
*
* The token array is in the same format as provided by the
* token_get_all() function and does not discard tokens (i.e.
* whitespace and comments are included). The token position
* attributes are against this token array.
*
* @return array Array of tokens in token_get_all() format
*/
public function getTokens() {
return $this->tokens;
}
/**
* Handles __halt_compiler() by returning the text after it.
*
* @return string Remaining text
*/
public function handleHaltCompiler() {
// text after T_HALT_COMPILER, still including ();
$textAfter = substr($this->code, $this->filePos);
// ensure that it is followed by ();
// this simplifies the situation, by not allowing any comments
// in between of the tokens.
if (!preg_match('~^\s*\(\s*\)\s*(?:;|\?>\r?\n?)~', $textAfter, $matches)) {
throw new Error('__HALT_COMPILER must be followed by "();"');
}
// prevent the lexer from returning any further tokens
$this->pos = count($this->tokens);
// return with (); removed
return (string) substr($textAfter, strlen($matches[0])); // (string) converts false to ''
}
/**
* Creates the token map.
*
* The token map maps the PHP internal token identifiers
* to the identifiers used by the Parser. Additionally it
* maps T_OPEN_TAG_WITH_ECHO to T_ECHO and T_CLOSE_TAG to ';'.
*
* @return array The token map
*/
protected function createTokenMap() {
$tokenMap = array();
// 256 is the minimum possible token number, as everything below
// it is an ASCII value
for ($i = 256; $i < 1000; ++$i) {
if (T_DOUBLE_COLON === $i) {
// T_DOUBLE_COLON is equivalent to T_PAAMAYIM_NEKUDOTAYIM
$tokenMap[$i] = Tokens::T_PAAMAYIM_NEKUDOTAYIM;
} elseif(T_OPEN_TAG_WITH_ECHO === $i) {
// T_OPEN_TAG_WITH_ECHO with dropped T_OPEN_TAG results in T_ECHO
$tokenMap[$i] = Tokens::T_ECHO;
} elseif(T_CLOSE_TAG === $i) {
// T_CLOSE_TAG is equivalent to ';'
$tokenMap[$i] = ord(';');
} elseif ('UNKNOWN' !== $name = token_name($i)) {
if ('T_HASHBANG' === $name) {
// HHVM uses a special token for #! hashbang lines
$tokenMap[$i] = Tokens::T_INLINE_HTML;
} else if (defined($name = Tokens::class . '::' . $name)) {
// Other tokens can be mapped directly
$tokenMap[$i] = constant($name);
}
}
}
// HHVM uses a special token for numbers that overflow to double
if (defined('T_ONUMBER')) {
$tokenMap[T_ONUMBER] = Tokens::T_DNUMBER;
}
// HHVM also has a separate token for the __COMPILER_HALT_OFFSET__ constant
if (defined('T_COMPILER_HALT_OFFSET')) {
$tokenMap[T_COMPILER_HALT_OFFSET] = Tokens::T_STRING;
}
return $tokenMap;
}
}

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vendor/nikic/php-parser/lib/PhpParser/Lexer/Emulative.php vendored Normal file
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<?php
namespace PhpParser\Lexer;
use PhpParser\ErrorHandler;
use PhpParser\Parser\Tokens;
class Emulative extends \PhpParser\Lexer
{
protected $newKeywords;
protected $inObjectAccess;
const T_ELLIPSIS = 1001;
const T_POW = 1002;
const T_POW_EQUAL = 1003;
const T_COALESCE = 1004;
const T_SPACESHIP = 1005;
const T_YIELD_FROM = 1006;
const PHP_7_0 = '7.0.0dev';
const PHP_5_6 = '5.6.0rc1';
public function __construct(array $options = array()) {
parent::__construct($options);
$newKeywordsPerVersion = array(
// No new keywords since PHP 5.5
);
$this->newKeywords = array();
foreach ($newKeywordsPerVersion as $version => $newKeywords) {
if (version_compare(PHP_VERSION, $version, '>=')) {
break;
}
$this->newKeywords += $newKeywords;
}
if (version_compare(PHP_VERSION, self::PHP_7_0, '>=')) {
return;
}
$this->tokenMap[self::T_COALESCE] = Tokens::T_COALESCE;
$this->tokenMap[self::T_SPACESHIP] = Tokens::T_SPACESHIP;
$this->tokenMap[self::T_YIELD_FROM] = Tokens::T_YIELD_FROM;
if (version_compare(PHP_VERSION, self::PHP_5_6, '>=')) {
return;
}
$this->tokenMap[self::T_ELLIPSIS] = Tokens::T_ELLIPSIS;
$this->tokenMap[self::T_POW] = Tokens::T_POW;
$this->tokenMap[self::T_POW_EQUAL] = Tokens::T_POW_EQUAL;
}
public function startLexing($code, ErrorHandler $errorHandler = null) {
$this->inObjectAccess = false;
parent::startLexing($code, $errorHandler);
if ($this->requiresEmulation($code)) {
$this->emulateTokens();
}
}
/*
* Checks if the code is potentially using features that require emulation.
*/
protected function requiresEmulation($code) {
if (version_compare(PHP_VERSION, self::PHP_7_0, '>=')) {
return false;
}
if (preg_match('(\?\?|<=>|yield[ \n\r\t]+from)', $code)) {
return true;
}
if (version_compare(PHP_VERSION, self::PHP_5_6, '>=')) {
return false;
}
return preg_match('(\.\.\.|(?<!/)\*\*(?!/))', $code);
}
/*
* Emulates tokens for newer PHP versions.
*/
protected function emulateTokens() {
// We need to manually iterate and manage a count because we'll change
// the tokens array on the way
$line = 1;
for ($i = 0, $c = count($this->tokens); $i < $c; ++$i) {
$replace = null;
if (isset($this->tokens[$i + 1])) {
if ($this->tokens[$i] === '?' && $this->tokens[$i + 1] === '?') {
array_splice($this->tokens, $i, 2, array(
array(self::T_COALESCE, '??', $line)
));
$c--;
continue;
}
if ($this->tokens[$i][0] === T_IS_SMALLER_OR_EQUAL
&& $this->tokens[$i + 1] === '>'
) {
array_splice($this->tokens, $i, 2, array(
array(self::T_SPACESHIP, '<=>', $line)
));
$c--;
continue;
}
if ($this->tokens[$i] === '*' && $this->tokens[$i + 1] === '*') {
array_splice($this->tokens, $i, 2, array(
array(self::T_POW, '**', $line)
));
$c--;
continue;
}
if ($this->tokens[$i] === '*' && $this->tokens[$i + 1][0] === T_MUL_EQUAL) {
array_splice($this->tokens, $i, 2, array(
array(self::T_POW_EQUAL, '**=', $line)
));
$c--;
continue;
}
}
if (isset($this->tokens[$i + 2])) {
if ($this->tokens[$i][0] === T_YIELD && $this->tokens[$i + 1][0] === T_WHITESPACE
&& $this->tokens[$i + 2][0] === T_STRING
&& !strcasecmp($this->tokens[$i + 2][1], 'from')
) {
array_splice($this->tokens, $i, 3, array(
array(
self::T_YIELD_FROM,
$this->tokens[$i][1] . $this->tokens[$i + 1][1] . $this->tokens[$i + 2][1],
$line
)
));
$c -= 2;
$line += substr_count($this->tokens[$i][1], "\n");
continue;
}
if ($this->tokens[$i] === '.' && $this->tokens[$i + 1] === '.'
&& $this->tokens[$i + 2] === '.'
) {
array_splice($this->tokens, $i, 3, array(
array(self::T_ELLIPSIS, '...', $line)
));
$c -= 2;
continue;
}
}
if (\is_array($this->tokens[$i])) {
$line += substr_count($this->tokens[$i][1], "\n");
}
}
}
public function getNextToken(&$value = null, &$startAttributes = null, &$endAttributes = null) {
$token = parent::getNextToken($value, $startAttributes, $endAttributes);
// replace new keywords by their respective tokens. This is not done
// if we currently are in an object access (e.g. in $obj->namespace
// "namespace" stays a T_STRING tokens and isn't converted to T_NAMESPACE)
if (Tokens::T_STRING === $token && !$this->inObjectAccess) {
if (isset($this->newKeywords[strtolower($value)])) {
return $this->newKeywords[strtolower($value)];
}
} else {
// keep track of whether we currently are in an object access (after ->)
$this->inObjectAccess = Tokens::T_OBJECT_OPERATOR === $token;
}
return $token;
}
}

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vendor/nikic/php-parser/lib/PhpParser/Node.php vendored Normal file
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<?php
namespace PhpParser;
interface Node
{
/**
* Gets the type of the node.
*
* @return string Type of the node
*/
public function getType();
/**
* Gets the names of the sub nodes.
*
* @return array Names of sub nodes
*/
public function getSubNodeNames();
/**
* Gets line the node started in.
*
* @return int Line
*/
public function getLine();
/**
* Sets line the node started in.
*
* @param int $line Line
*
* @deprecated
*/
public function setLine($line);
/**
* Gets the doc comment of the node.
*
* The doc comment has to be the last comment associated with the node.
*
* @return null|Comment\Doc Doc comment object or null
*/
public function getDocComment();
/**
* Sets the doc comment of the node.
*
* This will either replace an existing doc comment or add it to the comments array.
*
* @param Comment\Doc $docComment Doc comment to set
*/
public function setDocComment(Comment\Doc $docComment);
/**
* Sets an attribute on a node.
*
* @param string $key
* @param mixed $value
*/
public function setAttribute($key, $value);
/**
* Returns whether an attribute exists.
*
* @param string $key
*
* @return bool
*/
public function hasAttribute($key);
/**
* Returns the value of an attribute.
*
* @param string $key
* @param mixed $default
*
* @return mixed
*/
public function &getAttribute($key, $default = null);
/**
* Returns all attributes for the given node.
*
* @return array
*/
public function getAttributes();
}

34
vendor/nikic/php-parser/lib/PhpParser/Node/Arg.php vendored Normal file
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<?php
namespace PhpParser\Node;
use PhpParser\NodeAbstract;
class Arg extends NodeAbstract
{
/** @var Expr Value to pass */
public $value;
/** @var bool Whether to pass by ref */
public $byRef;
/** @var bool Whether to unpack the argument */
public $unpack;
/**
* Constructs a function call argument node.
*
* @param Expr $value Value to pass
* @param bool $byRef Whether to pass by ref
* @param bool $unpack Whether to unpack the argument
* @param array $attributes Additional attributes
*/
public function __construct(Expr $value, $byRef = false, $unpack = false, array $attributes = array()) {
parent::__construct($attributes);
$this->value = $value;
$this->byRef = $byRef;
$this->unpack = $unpack;
}
public function getSubNodeNames() {
return array('value', 'byRef', 'unpack');
}
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Const_.php vendored Normal file
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<?php
namespace PhpParser\Node;
use PhpParser\NodeAbstract;
class Const_ extends NodeAbstract
{
/** @var string Name */
public $name;
/** @var Expr Value */
public $value;
/**
* Constructs a const node for use in class const and const statements.
*
* @param string $name Name
* @param Expr $value Value
* @param array $attributes Additional attributes
*/
public function __construct($name, Expr $value, array $attributes = array()) {
parent::__construct($attributes);
$this->name = $name;
$this->value = $value;
}
public function getSubNodeNames() {
return array('name', 'value');
}
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr.php vendored Normal file
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<?php
namespace PhpParser\Node;
use PhpParser\NodeAbstract;
abstract class Expr extends NodeAbstract
{
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/ArrayDimFetch.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class ArrayDimFetch extends Expr
{
/** @var Expr Variable */
public $var;
/** @var null|Expr Array index / dim */
public $dim;
/**
* Constructs an array index fetch node.
*
* @param Expr $var Variable
* @param null|Expr $dim Array index / dim
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $dim = null, array $attributes = array()) {
parent::__construct($attributes);
$this->var = $var;
$this->dim = $dim;
}
public function getSubNodeNames() {
return array('var', 'dim');
}
}

34
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/ArrayItem.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class ArrayItem extends Expr
{
/** @var null|Expr Key */
public $key;
/** @var Expr Value */
public $value;
/** @var bool Whether to assign by reference */
public $byRef;
/**
* Constructs an array item node.
*
* @param Expr $value Value
* @param null|Expr $key Key
* @param bool $byRef Whether to assign by reference
* @param array $attributes Additional attributes
*/
public function __construct(Expr $value, Expr $key = null, $byRef = false, array $attributes = array()) {
parent::__construct($attributes);
$this->key = $key;
$this->value = $value;
$this->byRef = $byRef;
}
public function getSubNodeNames() {
return array('key', 'value', 'byRef');
}
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/Array_.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class Array_ extends Expr
{
// For use in "kind" attribute
const KIND_LONG = 1; // array() syntax
const KIND_SHORT = 2; // [] syntax
/** @var ArrayItem[] Items */
public $items;
/**
* Constructs an array node.
*
* @param ArrayItem[] $items Items of the array
* @param array $attributes Additional attributes
*/
public function __construct(array $items = array(), array $attributes = array()) {
parent::__construct($attributes);
$this->items = $items;
}
public function getSubNodeNames() {
return array('items');
}
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/Assign.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class Assign extends Expr
{
/** @var Expr Variable */
public $var;
/** @var Expr Expression */
public $expr;
/**
* Constructs an assignment node.
*
* @param Expr $var Variable
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->var = $var;
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('var', 'expr');
}
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
abstract class AssignOp extends Expr
{
/** @var Expr Variable */
public $var;
/** @var Expr Expression */
public $expr;
/**
* Constructs a compound assignment operation node.
*
* @param Expr $var Variable
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->var = $var;
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('var', 'expr');
}
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/BitwiseAnd.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class BitwiseAnd extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/BitwiseOr.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class BitwiseOr extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/BitwiseXor.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class BitwiseXor extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Concat.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Concat extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Div.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Div extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Minus.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Minus extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Mod.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Mod extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Mul.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Mul extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Plus.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Plus extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/Pow.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class Pow extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/ShiftLeft.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class ShiftLeft extends AssignOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignOp/ShiftRight.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\AssignOp;
use PhpParser\Node\Expr\AssignOp;
class ShiftRight extends AssignOp
{
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/AssignRef.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class AssignRef extends Expr
{
/** @var Expr Variable reference is assigned to */
public $var;
/** @var Expr Variable which is referenced */
public $expr;
/**
* Constructs an assignment node.
*
* @param Expr $var Variable
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $var, Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->var = $var;
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('var', 'expr');
}
}

30
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp.php vendored Normal file
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<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
abstract class BinaryOp extends Expr
{
/** @var Expr The left hand side expression */
public $left;
/** @var Expr The right hand side expression */
public $right;
/**
* Constructs a bitwise and node.
*
* @param Expr $left The left hand side expression
* @param Expr $right The right hand side expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $left, Expr $right, array $attributes = array()) {
parent::__construct($attributes);
$this->left = $left;
$this->right = $right;
}
public function getSubNodeNames() {
return array('left', 'right');
}
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/BitwiseAnd.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class BitwiseAnd extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/BitwiseOr.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class BitwiseOr extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/BitwiseXor.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class BitwiseXor extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/BooleanAnd.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class BooleanAnd extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/BooleanOr.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class BooleanOr extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Coalesce.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Coalesce extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Concat.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Concat extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Div.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Div extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Equal.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Equal extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Greater.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Greater extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/GreaterOrEqual.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class GreaterOrEqual extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Identical.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Identical extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/LogicalAnd.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class LogicalAnd extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/LogicalOr.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class LogicalOr extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/LogicalXor.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class LogicalXor extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Minus.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Minus extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Mod.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Mod extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Mul.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Mul extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/NotEqual.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class NotEqual extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/NotIdentical.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class NotIdentical extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Plus.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Plus extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Pow.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Pow extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/ShiftLeft.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class ShiftLeft extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/ShiftRight.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class ShiftRight extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Smaller.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Smaller extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/SmallerOrEqual.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class SmallerOrEqual extends BinaryOp
{
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BinaryOp/Spaceship.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\BinaryOp;
use PhpParser\Node\Expr\BinaryOp;
class Spaceship extends BinaryOp
{
}

26
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BitwiseNot.php vendored Normal file
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@ -0,0 +1,26 @@
<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class BitwiseNot extends Expr
{
/** @var Expr Expression */
public $expr;
/**
* Constructs a bitwise not node.
*
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('expr');
}
}

26
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/BooleanNot.php vendored Normal file
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@ -0,0 +1,26 @@
<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
class BooleanNot extends Expr
{
/** @var Expr Expression */
public $expr;
/**
* Constructs a boolean not node.
*
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('expr');
}
}

26
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/Cast.php vendored Normal file
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@ -0,0 +1,26 @@
<?php
namespace PhpParser\Node\Expr;
use PhpParser\Node\Expr;
abstract class Cast extends Expr
{
/** @var Expr Expression */
public $expr;
/**
* Constructs a cast node.
*
* @param Expr $expr Expression
* @param array $attributes Additional attributes
*/
public function __construct(Expr $expr, array $attributes = array()) {
parent::__construct($attributes);
$this->expr = $expr;
}
public function getSubNodeNames() {
return array('expr');
}
}

9
vendor/nikic/php-parser/lib/PhpParser/Node/Expr/Cast/Array_.php vendored Normal file
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@ -0,0 +1,9 @@
<?php
namespace PhpParser\Node\Expr\Cast;
use PhpParser\Node\Expr\Cast;
class Array_ extends Cast
{
}

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