nextcloud / fulltextsearch_elasticsearch

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Builder/Trait_.php

Indentation +58 added lines, -58 removed lines

@@ -9,70 +9,70 @@
 
 class Trait_ extends Declaration
 {
-    protected $name;
-    protected $uses = [];
-    protected $properties = [];
-    protected $methods = [];
+	protected $name;
+	protected $uses = [];
+	protected $properties = [];
+	protected $methods = [];
 
-    /** @var Node\AttributeGroup[] */
-    protected $attributeGroups = [];
+	/** @var Node\AttributeGroup[] */
+	protected $attributeGroups = [];
 
-    /**
-     * Creates an interface builder.
-     *
-     * @param string $name Name of the interface
-     */
-    public function __construct(string $name) {
-        $this->name = $name;
-    }
+	/**
+	 * Creates an interface builder.
+	 *
+	 * @param string $name Name of the interface
+	 */
+	public function __construct(string $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) {
-        $stmt = BuilderHelpers::normalizeNode($stmt);
+	/**
+	 * Adds a statement.
+	 *
+	 * @param Stmt|PhpParser\Builder $stmt The statement to add
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function addStmt($stmt) {
+		$stmt = BuilderHelpers::normalizeNode($stmt);
 
-        if ($stmt instanceof Stmt\Property) {
-            $this->properties[] = $stmt;
-        } elseif ($stmt instanceof Stmt\ClassMethod) {
-            $this->methods[] = $stmt;
-        } elseif ($stmt instanceof Stmt\TraitUse) {
-            $this->uses[] = $stmt;
-        } else {
-            throw new \LogicException(sprintf('Unexpected node of type "%s"', $stmt->getType()));
-        }
+		if ($stmt instanceof Stmt\Property) {
+			$this->properties[] = $stmt;
+		} elseif ($stmt instanceof Stmt\ClassMethod) {
+			$this->methods[] = $stmt;
+		} elseif ($stmt instanceof Stmt\TraitUse) {
+			$this->uses[] = $stmt;
+		} else {
+			throw new \LogicException(sprintf('Unexpected node of type "%s"', $stmt->getType()));
+		}
 
-        return $this;
-    }
+		return $this;
+	}
 
-    /**
-     * Adds an attribute group.
-     *
-     * @param Node\Attribute|Node\AttributeGroup $attribute
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function addAttribute($attribute) {
-        $this->attributeGroups[] = BuilderHelpers::normalizeAttribute($attribute);
+	/**
+	 * Adds an attribute group.
+	 *
+	 * @param Node\Attribute|Node\AttributeGroup $attribute
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function addAttribute($attribute) {
+		$this->attributeGroups[] = BuilderHelpers::normalizeAttribute($attribute);
 
-        return $this;
-    }
+		return $this;
+	}
 
-    /**
-     * Returns the built trait node.
-     *
-     * @return Stmt\Trait_ The built interface node
-     */
-    public function getNode() : PhpParser\Node {
-        return new Stmt\Trait_(
-            $this->name, [
-                'stmts' => array_merge($this->uses, $this->properties, $this->methods),
-                'attrGroups' => $this->attributeGroups,
-            ], $this->attributes
-        );
-    }
+	/**
+	 * Returns the built trait node.
+	 *
+	 * @return Stmt\Trait_ The built interface node
+	 */
+	public function getNode() : PhpParser\Node {
+		return new Stmt\Trait_(
+			$this->name, [
+				'stmts' => array_merge($this->uses, $this->properties, $this->methods),
+				'attrGroups' => $this->attributeGroups,
+			], $this->attributes
+		);
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -7,8 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Stmt;
 
-class Trait_ extends Declaration
-{
+class Trait_ extends Declaration {
     protected $name;
     protected $uses = [];
     protected $properties = [];

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Builder/Namespace_.php

Indentation +29 added lines, -29 removed lines

@@ -9,37 +9,37 @@
 
 class Namespace_ extends Declaration
 {
-    private $name;
-    private $stmts = [];
+	private $name;
+	private $stmts = [];
 
-    /**
-     * Creates a namespace builder.
-     *
-     * @param Node\Name|string|null $name Name of the namespace
-     */
-    public function __construct($name) {
-        $this->name = null !== $name ? BuilderHelpers::normalizeName($name) : null;
-    }
+	/**
+	 * Creates a namespace builder.
+	 *
+	 * @param Node\Name|string|null $name Name of the namespace
+	 */
+	public function __construct($name) {
+		$this->name = null !== $name ? BuilderHelpers::normalizeName($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) {
-        $this->stmts[] = BuilderHelpers::normalizeStmt($stmt);
+	/**
+	 * Adds a statement.
+	 *
+	 * @param Node|PhpParser\Builder $stmt The statement to add
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function addStmt($stmt) {
+		$this->stmts[] = BuilderHelpers::normalizeStmt($stmt);
 
-        return $this;
-    }
+		return $this;
+	}
 
-    /**
-     * Returns the built node.
-     *
-     * @return Stmt\Namespace_ The built node
-     */
-    public function getNode() : Node {
-        return new Stmt\Namespace_($this->name, $this->stmts, $this->attributes);
-    }
+	/**
+	 * Returns the built node.
+	 *
+	 * @return Stmt\Namespace_ The built node
+	 */
+	public function getNode() : Node {
+		return new Stmt\Namespace_($this->name, $this->stmts, $this->attributes);
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -7,8 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Stmt;
 
-class Namespace_ extends Declaration
-{
+class Namespace_ extends Declaration {
     private $name;
     private $stmts = [];
 

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Builder/ClassConst.php

Indentation +132 added lines, -132 removed lines

@@ -13,136 +13,136 @@
 
 class ClassConst implements PhpParser\Builder
 {
-    protected $flags = 0;
-    protected $attributes = [];
-    protected $constants = [];
-
-    /** @var Node\AttributeGroup[] */
-    protected $attributeGroups = [];
-    /** @var Identifier|Node\Name|Node\ComplexType */
-    protected $type;
-
-    /**
-     * Creates a class constant builder
-     *
-     * @param string|Identifier                          $name  Name
-     * @param Node\Expr|bool|null|int|float|string|array $value Value
-     */
-    public function __construct($name, $value) {
-        $this->constants = [new Const_($name, BuilderHelpers::normalizeValue($value))];
-    }
-
-    /**
-     * Add another constant to const group
-     *
-     * @param string|Identifier                          $name  Name
-     * @param Node\Expr|bool|null|int|float|string|array $value Value
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function addConst($name, $value) {
-        $this->constants[] = new Const_($name, BuilderHelpers::normalizeValue($value));
-
-        return $this;
-    }
-
-    /**
-     * Makes the constant public.
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function makePublic() {
-        $this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PUBLIC);
-
-        return $this;
-    }
-
-    /**
-     * Makes the constant protected.
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function makeProtected() {
-        $this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PROTECTED);
-
-        return $this;
-    }
-
-    /**
-     * Makes the constant private.
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function makePrivate() {
-        $this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PRIVATE);
-
-        return $this;
-    }
-
-    /**
-     * Makes the constant final.
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function makeFinal() {
-        $this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_FINAL);
-
-        return $this;
-    }
-
-    /**
-     * Sets doc comment for the constant.
-     *
-     * @param PhpParser\Comment\Doc|string $docComment Doc comment to set
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function setDocComment($docComment) {
-        $this->attributes = [
-            'comments' => [BuilderHelpers::normalizeDocComment($docComment)]
-        ];
-
-        return $this;
-    }
-
-    /**
-     * Adds an attribute group.
-     *
-     * @param Node\Attribute|Node\AttributeGroup $attribute
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function addAttribute($attribute) {
-        $this->attributeGroups[] = BuilderHelpers::normalizeAttribute($attribute);
-
-        return $this;
-    }
-
-    /**
-     * Sets the constant type.
-     *
-     * @param string|Node\Name|Identifier|Node\ComplexType $type
-     *
-     * @return $this
-     */
-    public function setType($type) {
-        $this->type = BuilderHelpers::normalizeType($type);
-
-        return $this;
-    }
-
-    /**
-     * Returns the built class node.
-     *
-     * @return Stmt\ClassConst The built constant node
-     */
-    public function getNode(): PhpParser\Node {
-        return new Stmt\ClassConst(
-            $this->constants,
-            $this->flags,
-            $this->attributes,
-            $this->attributeGroups,
-            $this->type
-        );
-    }
+	protected $flags = 0;
+	protected $attributes = [];
+	protected $constants = [];
+
+	/** @var Node\AttributeGroup[] */
+	protected $attributeGroups = [];
+	/** @var Identifier|Node\Name|Node\ComplexType */
+	protected $type;
+
+	/**
+	 * Creates a class constant builder
+	 *
+	 * @param string|Identifier                          $name  Name
+	 * @param Node\Expr|bool|null|int|float|string|array $value Value
+	 */
+	public function __construct($name, $value) {
+		$this->constants = [new Const_($name, BuilderHelpers::normalizeValue($value))];
+	}
+
+	/**
+	 * Add another constant to const group
+	 *
+	 * @param string|Identifier                          $name  Name
+	 * @param Node\Expr|bool|null|int|float|string|array $value Value
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function addConst($name, $value) {
+		$this->constants[] = new Const_($name, BuilderHelpers::normalizeValue($value));
+
+		return $this;
+	}
+
+	/**
+	 * Makes the constant public.
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function makePublic() {
+		$this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PUBLIC);
+
+		return $this;
+	}
+
+	/**
+	 * Makes the constant protected.
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function makeProtected() {
+		$this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PROTECTED);
+
+		return $this;
+	}
+
+	/**
+	 * Makes the constant private.
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function makePrivate() {
+		$this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_PRIVATE);
+
+		return $this;
+	}
+
+	/**
+	 * Makes the constant final.
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function makeFinal() {
+		$this->flags = BuilderHelpers::addModifier($this->flags, Stmt\Class_::MODIFIER_FINAL);
+
+		return $this;
+	}
+
+	/**
+	 * Sets doc comment for the constant.
+	 *
+	 * @param PhpParser\Comment\Doc|string $docComment Doc comment to set
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function setDocComment($docComment) {
+		$this->attributes = [
+			'comments' => [BuilderHelpers::normalizeDocComment($docComment)]
+		];
+
+		return $this;
+	}
+
+	/**
+	 * Adds an attribute group.
+	 *
+	 * @param Node\Attribute|Node\AttributeGroup $attribute
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function addAttribute($attribute) {
+		$this->attributeGroups[] = BuilderHelpers::normalizeAttribute($attribute);
+
+		return $this;
+	}
+
+	/**
+	 * Sets the constant type.
+	 *
+	 * @param string|Node\Name|Identifier|Node\ComplexType $type
+	 *
+	 * @return $this
+	 */
+	public function setType($type) {
+		$this->type = BuilderHelpers::normalizeType($type);
+
+		return $this;
+	}
+
+	/**
+	 * Returns the built class node.
+	 *
+	 * @return Stmt\ClassConst The built constant node
+	 */
+	public function getNode(): PhpParser\Node {
+		return new Stmt\ClassConst(
+			$this->constants,
+			$this->flags,
+			$this->attributes,
+			$this->attributeGroups,
+			$this->type
+		);
+	}
 }

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Builder/Use_.php

Indentation +34 added lines, -34 removed lines

@@ -9,41 +9,41 @@
 
 class Use_ implements Builder
 {
-    protected $name;
-    protected $type;
-    protected $alias = null;
+	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, int $type) {
-        $this->name = BuilderHelpers::normalizeName($name);
-        $this->type = $type;
-    }
+	/**
+	 * 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, int $type) {
+		$this->name = BuilderHelpers::normalizeName($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)
-     */
-    public function as(string $alias) {
-        $this->alias = $alias;
-        return $this;
-    }
+	/**
+	 * 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)
+	 */
+	public function as(string $alias) {
+		$this->alias = $alias;
+		return $this;
+	}
 
-    /**
-     * Returns the built node.
-     *
-     * @return Stmt\Use_ The built node
-     */
-    public function getNode() : Node {
-        return new Stmt\Use_([
-            new Stmt\UseUse($this->name, $this->alias)
-        ], $this->type);
-    }
+	/**
+	 * Returns the built node.
+	 *
+	 * @return Stmt\Use_ The built node
+	 */
+	public function getNode() : Node {
+		return new Stmt\Use_([
+			new Stmt\UseUse($this->name, $this->alias)
+		], $this->type);
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -7,8 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Stmt;
 
-class Use_ implements Builder
-{
+class Use_ implements Builder {
     protected $name;
     protected $type;
     protected $alias = null;

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Builder/TraitUse.php

Indentation +46 added lines, -46 removed lines

@@ -9,56 +9,56 @@
 
 class TraitUse implements Builder
 {
-    protected $traits = [];
-    protected $adaptations = [];
+	protected $traits = [];
+	protected $adaptations = [];
 
-    /**
-     * Creates a trait use builder.
-     *
-     * @param Node\Name|string ...$traits Names of used traits
-     */
-    public function __construct(...$traits) {
-        foreach ($traits as $trait) {
-            $this->and($trait);
-        }
-    }
+	/**
+	 * Creates a trait use builder.
+	 *
+	 * @param Node\Name|string ...$traits Names of used traits
+	 */
+	public function __construct(...$traits) {
+		foreach ($traits as $trait) {
+			$this->and($trait);
+		}
+	}
 
-    /**
-     * Adds used trait.
-     *
-     * @param Node\Name|string $trait Trait name
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function and($trait) {
-        $this->traits[] = BuilderHelpers::normalizeName($trait);
-        return $this;
-    }
+	/**
+	 * Adds used trait.
+	 *
+	 * @param Node\Name|string $trait Trait name
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function and($trait) {
+		$this->traits[] = BuilderHelpers::normalizeName($trait);
+		return $this;
+	}
 
-    /**
-     * Adds trait adaptation.
-     *
-     * @param Stmt\TraitUseAdaptation|Builder\TraitUseAdaptation $adaptation Trait adaptation
-     *
-     * @return $this The builder instance (for fluid interface)
-     */
-    public function with($adaptation) {
-        $adaptation = BuilderHelpers::normalizeNode($adaptation);
+	/**
+	 * Adds trait adaptation.
+	 *
+	 * @param Stmt\TraitUseAdaptation|Builder\TraitUseAdaptation $adaptation Trait adaptation
+	 *
+	 * @return $this The builder instance (for fluid interface)
+	 */
+	public function with($adaptation) {
+		$adaptation = BuilderHelpers::normalizeNode($adaptation);
 
-        if (!$adaptation instanceof Stmt\TraitUseAdaptation) {
-            throw new \LogicException('Adaptation must have type TraitUseAdaptation');
-        }
+		if (!$adaptation instanceof Stmt\TraitUseAdaptation) {
+			throw new \LogicException('Adaptation must have type TraitUseAdaptation');
+		}
 
-        $this->adaptations[] = $adaptation;
-        return $this;
-    }
+		$this->adaptations[] = $adaptation;
+		return $this;
+	}
 
-    /**
-     * Returns the built node.
-     *
-     * @return Node The built node
-     */
-    public function getNode() : Node {
-        return new Stmt\TraitUse($this->traits, $this->adaptations);
-    }
+	/**
+	 * Returns the built node.
+	 *
+	 * @return Node The built node
+	 */
+	public function getNode() : Node {
+		return new Stmt\TraitUse($this->traits, $this->adaptations);
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -7,8 +7,7 @@
 use PhpParser\Node;
 use PhpParser\Node\Stmt;
 
-class TraitUse implements Builder
-{
+class TraitUse implements Builder {
     protected $traits = [];
     protected $adaptations = [];
 

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/ErrorHandler/Throwing.php

Indentation +3 added lines, -3 removed lines

@@ -12,7 +12,7 @@
  */
 class Throwing implements ErrorHandler
 {
-    public function handleError(Error $error) {
-        throw $error;
-    }
+	public function handleError(Error $error) {
+		throw $error;
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -10,8 +10,7 @@
  *
  * This is the default strategy used by all components.
  */
-class Throwing implements ErrorHandler
-{
+class Throwing implements ErrorHandler {
     public function handleError(Error $error) {
         throw $error;
     }

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/ErrorHandler/Collecting.php

Indentation +27 added lines, -27 removed lines

@@ -12,35 +12,35 @@
  */
 class Collecting implements ErrorHandler
 {
-    /** @var Error[] Collected errors */
-    private $errors = [];
+	/** @var Error[] Collected errors */
+	private $errors = [];
 
-    public function handleError(Error $error) {
-        $this->errors[] = $error;
-    }
+	public function handleError(Error $error) {
+		$this->errors[] = $error;
+	}
 
-    /**
-     * Get collected errors.
-     *
-     * @return Error[]
-     */
-    public function getErrors() : array {
-        return $this->errors;
-    }
+	/**
+	 * Get collected errors.
+	 *
+	 * @return Error[]
+	 */
+	public function getErrors() : array {
+		return $this->errors;
+	}
 
-    /**
-     * Check whether there are any errors.
-     *
-     * @return bool
-     */
-    public function hasErrors() : bool {
-        return !empty($this->errors);
-    }
+	/**
+	 * Check whether there are any errors.
+	 *
+	 * @return bool
+	 */
+	public function hasErrors() : bool {
+		return !empty($this->errors);
+	}
 
-    /**
-     * Reset/clear collected errors.
-     */
-    public function clearErrors() {
-        $this->errors = [];
-    }
+	/**
+	 * Reset/clear collected errors.
+	 */
+	public function clearErrors() {
+		$this->errors = [];
+	}
 }

Braces +1 added lines, -2 removed lines

@@ -10,8 +10,7 @@
  *
  * This allows graceful handling of errors.
  */
-class Collecting implements ErrorHandler
-{
+class Collecting implements ErrorHandler {
     /** @var Error[] Collected errors */
     private $errors = [];
 

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/PrettyPrinterAbstract.php

Indentation +1534 added lines, -1534 removed lines

@@ -14,1517 +14,1517 @@ 
 
 abstract class PrettyPrinterAbstract
 {
-    const FIXUP_PREC_LEFT       = 0; // LHS operand affected by precedence
-    const FIXUP_PREC_RIGHT      = 1; // RHS operand affected by precedence
-    const FIXUP_CALL_LHS        = 2; // LHS of call
-    const FIXUP_DEREF_LHS       = 3; // LHS of dereferencing operation
-    const FIXUP_BRACED_NAME     = 4; // Name operand that may require bracing
-    const FIXUP_VAR_BRACED_NAME = 5; // Name operand that may require ${} bracing
-    const FIXUP_ENCAPSED        = 6; // Encapsed string part
-    const FIXUP_NEW             = 7; // New/instanceof operand
-    const FIXUP_STATIC_DEREF_LHS = 8; // LHS of static dereferencing operation
-
-    protected $precedenceMap = [
-        // [precedence, associativity]
-        // where for precedence -1 is %left, 0 is %nonassoc and 1 is %right
-        BinaryOp\Pow::class            => [  0,  1],
-        Expr\BitwiseNot::class         => [ 10,  1],
-        Expr\PreInc::class             => [ 10,  1],
-        Expr\PreDec::class             => [ 10,  1],
-        Expr\PostInc::class            => [ 10, -1],
-        Expr\PostDec::class            => [ 10, -1],
-        Expr\UnaryPlus::class          => [ 10,  1],
-        Expr\UnaryMinus::class         => [ 10,  1],
-        Cast\Int_::class               => [ 10,  1],
-        Cast\Double::class             => [ 10,  1],
-        Cast\String_::class            => [ 10,  1],
-        Cast\Array_::class             => [ 10,  1],
-        Cast\Object_::class            => [ 10,  1],
-        Cast\Bool_::class              => [ 10,  1],
-        Cast\Unset_::class             => [ 10,  1],
-        Expr\ErrorSuppress::class      => [ 10,  1],
-        Expr\Instanceof_::class        => [ 20,  0],
-        Expr\BooleanNot::class         => [ 30,  1],
-        BinaryOp\Mul::class            => [ 40, -1],
-        BinaryOp\Div::class            => [ 40, -1],
-        BinaryOp\Mod::class            => [ 40, -1],
-        BinaryOp\Plus::class           => [ 50, -1],
-        BinaryOp\Minus::class          => [ 50, -1],
-        BinaryOp\Concat::class         => [ 50, -1],
-        BinaryOp\ShiftLeft::class      => [ 60, -1],
-        BinaryOp\ShiftRight::class     => [ 60, -1],
-        BinaryOp\Smaller::class        => [ 70,  0],
-        BinaryOp\SmallerOrEqual::class => [ 70,  0],
-        BinaryOp\Greater::class        => [ 70,  0],
-        BinaryOp\GreaterOrEqual::class => [ 70,  0],
-        BinaryOp\Equal::class          => [ 80,  0],
-        BinaryOp\NotEqual::class       => [ 80,  0],
-        BinaryOp\Identical::class      => [ 80,  0],
-        BinaryOp\NotIdentical::class   => [ 80,  0],
-        BinaryOp\Spaceship::class      => [ 80,  0],
-        BinaryOp\BitwiseAnd::class     => [ 90, -1],
-        BinaryOp\BitwiseXor::class     => [100, -1],
-        BinaryOp\BitwiseOr::class      => [110, -1],
-        BinaryOp\BooleanAnd::class     => [120, -1],
-        BinaryOp\BooleanOr::class      => [130, -1],
-        BinaryOp\Coalesce::class       => [140,  1],
-        Expr\Ternary::class            => [150,  0],
-        // parser uses %left for assignments, but they really behave as %right
-        Expr\Assign::class             => [160,  1],
-        Expr\AssignRef::class          => [160,  1],
-        AssignOp\Plus::class           => [160,  1],
-        AssignOp\Minus::class          => [160,  1],
-        AssignOp\Mul::class            => [160,  1],
-        AssignOp\Div::class            => [160,  1],
-        AssignOp\Concat::class         => [160,  1],
-        AssignOp\Mod::class            => [160,  1],
-        AssignOp\BitwiseAnd::class     => [160,  1],
-        AssignOp\BitwiseOr::class      => [160,  1],
-        AssignOp\BitwiseXor::class     => [160,  1],
-        AssignOp\ShiftLeft::class      => [160,  1],
-        AssignOp\ShiftRight::class     => [160,  1],
-        AssignOp\Pow::class            => [160,  1],
-        AssignOp\Coalesce::class       => [160,  1],
-        Expr\YieldFrom::class          => [165,  1],
-        Expr\Print_::class             => [168,  1],
-        BinaryOp\LogicalAnd::class     => [170, -1],
-        BinaryOp\LogicalXor::class     => [180, -1],
-        BinaryOp\LogicalOr::class      => [190, -1],
-        Expr\Include_::class           => [200, -1],
-    ];
-
-    /** @var int Current indentation level. */
-    protected $indentLevel;
-    /** @var string Newline including current indentation. */
-    protected $nl;
-    /** @var string Token placed at end of doc string to ensure it is followed by a newline. */
-    protected $docStringEndToken;
-    /** @var bool Whether semicolon namespaces can be used (i.e. no global namespace is used) */
-    protected $canUseSemicolonNamespaces;
-    /** @var array Pretty printer options */
-    protected $options;
-
-    /** @var TokenStream Original tokens for use in format-preserving pretty print */
-    protected $origTokens;
-    /** @var Internal\Differ Differ for node lists */
-    protected $nodeListDiffer;
-    /** @var bool[] Map determining whether a certain character is a label character */
-    protected $labelCharMap;
-    /**
-     * @var int[][] Map from token classes and subnode names to FIXUP_* constants. This is used
-     *              during format-preserving prints to place additional parens/braces if necessary.
-     */
-    protected $fixupMap;
-    /**
-     * @var int[][] Map from "{$node->getType()}->{$subNode}" to ['left' => $l, 'right' => $r],
-     *              where $l and $r specify the token type that needs to be stripped when removing
-     *              this node.
-     */
-    protected $removalMap;
-    /**
-     * @var mixed[] Map from "{$node->getType()}->{$subNode}" to [$find, $beforeToken, $extraLeft, $extraRight].
-     *              $find is an optional token after which the insertion occurs. $extraLeft/Right
-     *              are optionally added before/after the main insertions.
-     */
-    protected $insertionMap;
-    /**
-     * @var string[] Map From "{$node->getType()}->{$subNode}" to string that should be inserted
-     *               between elements of this list subnode.
-     */
-    protected $listInsertionMap;
-    protected $emptyListInsertionMap;
-    /** @var int[] Map from "{$node->getType()}->{$subNode}" to token before which the modifiers
-     *             should be reprinted. */
-    protected $modifierChangeMap;
-
-    /**
-     * Creates a pretty printer instance using the given options.
-     *
-     * Supported options:
-     *  * bool $shortArraySyntax = false: Whether to use [] instead of array() as the default array
-     *                                    syntax, if the node does not specify a format.
-     *
-     * @param array $options Dictionary of formatting options
-     */
-    public function __construct(array $options = []) {
-        $this->docStringEndToken = '_DOC_STRING_END_' . mt_rand();
-
-        $defaultOptions = ['shortArraySyntax' => false];
-        $this->options = $options + $defaultOptions;
-    }
-
-    /**
-     * Reset pretty printing state.
-     */
-    protected function resetState() {
-        $this->indentLevel = 0;
-        $this->nl = "\n";
-        $this->origTokens = null;
-    }
-
-    /**
-     * Set indentation level
-     *
-     * @param int $level Level in number of spaces
-     */
-    protected function setIndentLevel(int $level) {
-        $this->indentLevel = $level;
-        $this->nl = "\n" . \str_repeat(' ', $level);
-    }
-
-    /**
-     * Increase indentation level.
-     */
-    protected function indent() {
-        $this->indentLevel += 4;
-        $this->nl .= '    ';
-    }
-
-    /**
-     * Decrease indentation level.
-     */
-    protected function outdent() {
-        assert($this->indentLevel >= 4);
-        $this->indentLevel -= 4;
-        $this->nl = "\n" . str_repeat(' ', $this->indentLevel);
-    }
-
-    /**
-     * Pretty prints an array of statements.
-     *
-     * @param Node[] $stmts Array of statements
-     *
-     * @return string Pretty printed statements
-     */
-    public function prettyPrint(array $stmts) : string {
-        $this->resetState();
-        $this->preprocessNodes($stmts);
-
-        return ltrim($this->handleMagicTokens($this->pStmts($stmts, false)));
-    }
-
-    /**
-     * Pretty prints an expression.
-     *
-     * @param Expr $node Expression node
-     *
-     * @return string Pretty printed node
-     */
-    public function prettyPrintExpr(Expr $node) : string {
-        $this->resetState();
-        return $this->handleMagicTokens($this->p($node));
-    }
-
-    /**
-     * Pretty prints a file of statements (includes the opening <?php tag if it is required).
-     *
-     * @param Node[] $stmts Array of statements
-     *
-     * @return string Pretty printed statements
-     */
-    public function prettyPrintFile(array $stmts) : string {
-        if (!$stmts) {
-            return "<?php\n\n";
-        }
-
-        $p = "<?php\n\n" . $this->prettyPrint($stmts);
-
-        if ($stmts[0] instanceof Stmt\InlineHTML) {
-            $p = preg_replace('/^<\?php\s+\?>\n?/', '', $p);
-        }
-        if ($stmts[count($stmts) - 1] instanceof Stmt\InlineHTML) {
-            $p = preg_replace('/<\?php$/', '', rtrim($p));
-        }
-
-        return $p;
-    }
-
-    /**
-     * Preprocesses the top-level nodes to initialize pretty printer state.
-     *
-     * @param Node[] $nodes Array of nodes
-     */
-    protected function preprocessNodes(array $nodes) {
-        /* We can use semicolon-namespaces unless there is a global namespace declaration */
-        $this->canUseSemicolonNamespaces = true;
-        foreach ($nodes as $node) {
-            if ($node instanceof Stmt\Namespace_ && null === $node->name) {
-                $this->canUseSemicolonNamespaces = false;
-                break;
-            }
-        }
-    }
-
-    /**
-     * Handles (and removes) no-indent and doc-string-end tokens.
-     *
-     * @param string $str
-     * @return string
-     */
-    protected function handleMagicTokens(string $str) : string {
-        // Replace doc-string-end tokens with nothing or a newline
-        $str = str_replace($this->docStringEndToken . ";\n", ";\n", $str);
-        $str = str_replace($this->docStringEndToken, "\n", $str);
-
-        return $str;
-    }
-
-    /**
-     * Pretty prints an array of nodes (statements) and indents them optionally.
-     *
-     * @param Node[] $nodes  Array of nodes
-     * @param bool   $indent Whether to indent the printed nodes
-     *
-     * @return string Pretty printed statements
-     */
-    protected function pStmts(array $nodes, bool $indent = true) : string {
-        if ($indent) {
-            $this->indent();
-        }
-
-        $result = '';
-        foreach ($nodes as $node) {
-            $comments = $node->getComments();
-            if ($comments) {
-                $result .= $this->nl . $this->pComments($comments);
-                if ($node instanceof Stmt\Nop) {
-                    continue;
-                }
-            }
-
-            $result .= $this->nl . $this->p($node);
-        }
-
-        if ($indent) {
-            $this->outdent();
-        }
-
-        return $result;
-    }
-
-    /**
-     * Pretty-print an infix operation while taking precedence into account.
-     *
-     * @param string $class          Node class of operator
-     * @param Node   $leftNode       Left-hand side node
-     * @param string $operatorString String representation of the operator
-     * @param Node   $rightNode      Right-hand side node
-     *
-     * @return string Pretty printed infix operation
-     */
-    protected function pInfixOp(string $class, Node $leftNode, string $operatorString, Node $rightNode) : string {
-        list($precedence, $associativity) = $this->precedenceMap[$class];
-
-        return $this->pPrec($leftNode, $precedence, $associativity, -1)
-             . $operatorString
-             . $this->pPrec($rightNode, $precedence, $associativity, 1);
-    }
-
-    /**
-     * Pretty-print a prefix operation while taking precedence into account.
-     *
-     * @param string $class          Node class of operator
-     * @param string $operatorString String representation of the operator
-     * @param Node   $node           Node
-     *
-     * @return string Pretty printed prefix operation
-     */
-    protected function pPrefixOp(string $class, string $operatorString, Node $node) : string {
-        list($precedence, $associativity) = $this->precedenceMap[$class];
-        return $operatorString . $this->pPrec($node, $precedence, $associativity, 1);
-    }
-
-    /**
-     * Pretty-print a postfix operation while taking precedence into account.
-     *
-     * @param string $class          Node class of operator
-     * @param string $operatorString String representation of the operator
-     * @param Node   $node           Node
-     *
-     * @return string Pretty printed postfix operation
-     */
-    protected function pPostfixOp(string $class, Node $node, string $operatorString) : string {
-        list($precedence, $associativity) = $this->precedenceMap[$class];
-        return $this->pPrec($node, $precedence, $associativity, -1) . $operatorString;
-    }
-
-    /**
-     * Prints an expression node with the least amount of parentheses necessary to preserve the meaning.
-     *
-     * @param Node $node                Node to pretty print
-     * @param int  $parentPrecedence    Precedence of the parent operator
-     * @param int  $parentAssociativity Associativity of parent operator
-     *                                  (-1 is left, 0 is nonassoc, 1 is right)
-     * @param int  $childPosition       Position of the node relative to the operator
-     *                                  (-1 is left, 1 is right)
-     *
-     * @return string The pretty printed node
-     */
-    protected function pPrec(Node $node, int $parentPrecedence, int $parentAssociativity, int $childPosition) : string {
-        $class = \get_class($node);
-        if (isset($this->precedenceMap[$class])) {
-            $childPrecedence = $this->precedenceMap[$class][0];
-            if ($childPrecedence > $parentPrecedence
-                || ($parentPrecedence === $childPrecedence && $parentAssociativity !== $childPosition)
-            ) {
-                return '(' . $this->p($node) . ')';
-            }
-        }
-
-        return $this->p($node);
-    }
-
-    /**
-     * Pretty prints an array of nodes and implodes the printed values.
-     *
-     * @param Node[] $nodes Array of Nodes to be printed
-     * @param string $glue  Character to implode with
-     *
-     * @return string Imploded pretty printed nodes
-     */
-    protected function pImplode(array $nodes, string $glue = '') : string {
-        $pNodes = [];
-        foreach ($nodes as $node) {
-            if (null === $node) {
-                $pNodes[] = '';
-            } else {
-                $pNodes[] = $this->p($node);
-            }
-        }
-
-        return implode($glue, $pNodes);
-    }
-
-    /**
-     * Pretty prints an array of nodes and implodes the printed values with commas.
-     *
-     * @param Node[] $nodes Array of Nodes to be printed
-     *
-     * @return string Comma separated pretty printed nodes
-     */
-    protected function pCommaSeparated(array $nodes) : string {
-        return $this->pImplode($nodes, ', ');
-    }
-
-    /**
-     * Pretty prints a comma-separated list of nodes in multiline style, including comments.
-     *
-     * The result includes a leading newline and one level of indentation (same as pStmts).
-     *
-     * @param Node[] $nodes         Array of Nodes to be printed
-     * @param bool   $trailingComma Whether to use a trailing comma
-     *
-     * @return string Comma separated pretty printed nodes in multiline style
-     */
-    protected function pCommaSeparatedMultiline(array $nodes, bool $trailingComma) : string {
-        $this->indent();
-
-        $result = '';
-        $lastIdx = count($nodes) - 1;
-        foreach ($nodes as $idx => $node) {
-            if ($node !== null) {
-                $comments = $node->getComments();
-                if ($comments) {
-                    $result .= $this->nl . $this->pComments($comments);
-                }
-
-                $result .= $this->nl . $this->p($node);
-            } else {
-                $result .= $this->nl;
-            }
-            if ($trailingComma || $idx !== $lastIdx) {
-                $result .= ',';
-            }
-        }
-
-        $this->outdent();
-        return $result;
-    }
-
-    /**
-     * Prints reformatted text of the passed comments.
-     *
-     * @param Comment[] $comments List of comments
-     *
-     * @return string Reformatted text of comments
-     */
-    protected function pComments(array $comments) : string {
-        $formattedComments = [];
-
-        foreach ($comments as $comment) {
-            $formattedComments[] = str_replace("\n", $this->nl, $comment->getReformattedText());
-        }
-
-        return implode($this->nl, $formattedComments);
-    }
-
-    /**
-     * Perform a format-preserving pretty print of an AST.
-     *
-     * The format preservation is best effort. For some changes to the AST the formatting will not
-     * be preserved (at least not locally).
-     *
-     * In order to use this method a number of prerequisites must be satisfied:
-     *  * The startTokenPos and endTokenPos attributes in the lexer must be enabled.
-     *  * The CloningVisitor must be run on the AST prior to modification.
-     *  * The original tokens must be provided, using the getTokens() method on the lexer.
-     *
-     * @param Node[] $stmts      Modified AST with links to original AST
-     * @param Node[] $origStmts  Original AST with token offset information
-     * @param array  $origTokens Tokens of the original code
-     *
-     * @return string
-     */
-    public function printFormatPreserving(array $stmts, array $origStmts, array $origTokens) : string {
-        $this->initializeNodeListDiffer();
-        $this->initializeLabelCharMap();
-        $this->initializeFixupMap();
-        $this->initializeRemovalMap();
-        $this->initializeInsertionMap();
-        $this->initializeListInsertionMap();
-        $this->initializeEmptyListInsertionMap();
-        $this->initializeModifierChangeMap();
-
-        $this->resetState();
-        $this->origTokens = new TokenStream($origTokens);
-
-        $this->preprocessNodes($stmts);
-
-        $pos = 0;
-        $result = $this->pArray($stmts, $origStmts, $pos, 0, 'File', 'stmts', null);
-        if (null !== $result) {
-            $result .= $this->origTokens->getTokenCode($pos, count($origTokens), 0);
-        } else {
-            // Fallback
-            // TODO Add <?php properly
-            $result = "<?php\n" . $this->pStmts($stmts, false);
-        }
-
-        return ltrim($this->handleMagicTokens($result));
-    }
-
-    protected function pFallback(Node $node) {
-        return $this->{'p' . $node->getType()}($node);
-    }
-
-    /**
-     * Pretty prints a node.
-     *
-     * This method also handles formatting preservation for nodes.
-     *
-     * @param Node $node Node to be pretty printed
-     * @param bool $parentFormatPreserved Whether parent node has preserved formatting
-     *
-     * @return string Pretty printed node
-     */
-    protected function p(Node $node, $parentFormatPreserved = false) : string {
-        // No orig tokens means this is a normal pretty print without preservation of formatting
-        if (!$this->origTokens) {
-            return $this->{'p' . $node->getType()}($node);
-        }
-
-        /** @var Node $origNode */
-        $origNode = $node->getAttribute('origNode');
-        if (null === $origNode) {
-            return $this->pFallback($node);
-        }
-
-        $class = \get_class($node);
-        \assert($class === \get_class($origNode));
-
-        $startPos = $origNode->getStartTokenPos();
-        $endPos = $origNode->getEndTokenPos();
-        \assert($startPos >= 0 && $endPos >= 0);
-
-        $fallbackNode = $node;
-        if ($node instanceof Expr\New_ && $node->class instanceof Stmt\Class_) {
-            // Normalize node structure of anonymous classes
-            $node = PrintableNewAnonClassNode::fromNewNode($node);
-            $origNode = PrintableNewAnonClassNode::fromNewNode($origNode);
-        }
-
-        // InlineHTML node does not contain closing and opening PHP tags. If the parent formatting
-        // is not preserved, then we need to use the fallback code to make sure the tags are
-        // printed.
-        if ($node instanceof Stmt\InlineHTML && !$parentFormatPreserved) {
-            return $this->pFallback($fallbackNode);
-        }
-
-        $indentAdjustment = $this->indentLevel - $this->origTokens->getIndentationBefore($startPos);
-
-        $type = $node->getType();
-        $fixupInfo = $this->fixupMap[$class] ?? null;
-
-        $result = '';
-        $pos = $startPos;
-        foreach ($node->getSubNodeNames() as $subNodeName) {
-            $subNode = $node->$subNodeName;
-            $origSubNode = $origNode->$subNodeName;
-
-            if ((!$subNode instanceof Node && $subNode !== null)
-                || (!$origSubNode instanceof Node && $origSubNode !== null)
-            ) {
-                if ($subNode === $origSubNode) {
-                    // Unchanged, can reuse old code
-                    continue;
-                }
-
-                if (is_array($subNode) && is_array($origSubNode)) {
-                    // Array subnode changed, we might be able to reconstruct it
-                    $listResult = $this->pArray(
-                        $subNode, $origSubNode, $pos, $indentAdjustment, $type, $subNodeName,
-                        $fixupInfo[$subNodeName] ?? null
-                    );
-                    if (null === $listResult) {
-                        return $this->pFallback($fallbackNode);
-                    }
-
-                    $result .= $listResult;
-                    continue;
-                }
-
-                if (is_int($subNode) && is_int($origSubNode)) {
-                    // Check if this is a modifier change
-                    $key = $type . '->' . $subNodeName;
-                    if (!isset($this->modifierChangeMap[$key])) {
-                        return $this->pFallback($fallbackNode);
-                    }
-
-                    $findToken = $this->modifierChangeMap[$key];
-                    $result .= $this->pModifiers($subNode);
-                    $pos = $this->origTokens->findRight($pos, $findToken);
-                    continue;
-                }
-
-                // If a non-node, non-array subnode changed, we don't be able to do a partial
-                // reconstructions, as we don't have enough offset information. Pretty print the
-                // whole node instead.
-                return $this->pFallback($fallbackNode);
-            }
-
-            $extraLeft = '';
-            $extraRight = '';
-            if ($origSubNode !== null) {
-                $subStartPos = $origSubNode->getStartTokenPos();
-                $subEndPos = $origSubNode->getEndTokenPos();
-                \assert($subStartPos >= 0 && $subEndPos >= 0);
-            } else {
-                if ($subNode === null) {
-                    // Both null, nothing to do
-                    continue;
-                }
-
-                // A node has been inserted, check if we have insertion information for it
-                $key = $type . '->' . $subNodeName;
-                if (!isset($this->insertionMap[$key])) {
-                    return $this->pFallback($fallbackNode);
-                }
-
-                list($findToken, $beforeToken, $extraLeft, $extraRight) = $this->insertionMap[$key];
-                if (null !== $findToken) {
-                    $subStartPos = $this->origTokens->findRight($pos, $findToken)
-                        + (int) !$beforeToken;
-                } else {
-                    $subStartPos = $pos;
-                }
-
-                if (null === $extraLeft && null !== $extraRight) {
-                    // If inserting on the right only, skipping whitespace looks better
-                    $subStartPos = $this->origTokens->skipRightWhitespace($subStartPos);
-                }
-                $subEndPos = $subStartPos - 1;
-            }
-
-            if (null === $subNode) {
-                // A node has been removed, check if we have removal information for it
-                $key = $type . '->' . $subNodeName;
-                if (!isset($this->removalMap[$key])) {
-                    return $this->pFallback($fallbackNode);
-                }
-
-                // Adjust positions to account for additional tokens that must be skipped
-                $removalInfo = $this->removalMap[$key];
-                if (isset($removalInfo['left'])) {
-                    $subStartPos = $this->origTokens->skipLeft($subStartPos - 1, $removalInfo['left']) + 1;
-                }
-                if (isset($removalInfo['right'])) {
-                    $subEndPos = $this->origTokens->skipRight($subEndPos + 1, $removalInfo['right']) - 1;
-                }
-            }
-
-            $result .= $this->origTokens->getTokenCode($pos, $subStartPos, $indentAdjustment);
-
-            if (null !== $subNode) {
-                $result .= $extraLeft;
-
-                $origIndentLevel = $this->indentLevel;
-                $this->setIndentLevel($this->origTokens->getIndentationBefore($subStartPos) + $indentAdjustment);
-
-                // If it's the same node that was previously in this position, it certainly doesn't
-                // need fixup. It's important to check this here, because our fixup checks are more
-                // conservative than strictly necessary.
-                if (isset($fixupInfo[$subNodeName])
-                    && $subNode->getAttribute('origNode') !== $origSubNode
-                ) {
-                    $fixup = $fixupInfo[$subNodeName];
-                    $res = $this->pFixup($fixup, $subNode, $class, $subStartPos, $subEndPos);
-                } else {
-                    $res = $this->p($subNode, true);
-                }
-
-                $this->safeAppend($result, $res);
-                $this->setIndentLevel($origIndentLevel);
-
-                $result .= $extraRight;
-            }
-
-            $pos = $subEndPos + 1;
-        }
-
-        $result .= $this->origTokens->getTokenCode($pos, $endPos + 1, $indentAdjustment);
-        return $result;
-    }
-
-    /**
-     * Perform a format-preserving pretty print of an array.
-     *
-     * @param array       $nodes            New nodes
-     * @param array       $origNodes        Original nodes
-     * @param int         $pos              Current token position (updated by reference)
-     * @param int         $indentAdjustment Adjustment for indentation
-     * @param string      $parentNodeType   Type of the containing node.
-     * @param string      $subNodeName      Name of array subnode.
-     * @param null|int    $fixup            Fixup information for array item nodes
-     *
-     * @return null|string Result of pretty print or null if cannot preserve formatting
-     */
-    protected function pArray(
-        array $nodes, array $origNodes, int &$pos, int $indentAdjustment,
-        string $parentNodeType, string $subNodeName, $fixup
-    ) {
-        $diff = $this->nodeListDiffer->diffWithReplacements($origNodes, $nodes);
-
-        $mapKey = $parentNodeType . '->' . $subNodeName;
-        $insertStr = $this->listInsertionMap[$mapKey] ?? null;
-        $isStmtList = $subNodeName === 'stmts';
-
-        $beforeFirstKeepOrReplace = true;
-        $skipRemovedNode = false;
-        $delayedAdd = [];
-        $lastElemIndentLevel = $this->indentLevel;
-
-        $insertNewline = false;
-        if ($insertStr === "\n") {
-            $insertStr = '';
-            $insertNewline = true;
-        }
-
-        if ($isStmtList && \count($origNodes) === 1 && \count($nodes) !== 1) {
-            $startPos = $origNodes[0]->getStartTokenPos();
-            $endPos = $origNodes[0]->getEndTokenPos();
-            \assert($startPos >= 0 && $endPos >= 0);
-            if (!$this->origTokens->haveBraces($startPos, $endPos)) {
-                // This was a single statement without braces, but either additional statements
-                // have been added, or the single statement has been removed. This requires the
-                // addition of braces. For now fall back.
-                // TODO: Try to preserve formatting
-                return null;
-            }
-        }
-
-        $result = '';
-        foreach ($diff as $i => $diffElem) {
-            $diffType = $diffElem->type;
-            /** @var Node|null $arrItem */
-            $arrItem = $diffElem->new;
-            /** @var Node|null $origArrItem */
-            $origArrItem = $diffElem->old;
-
-            if ($diffType === DiffElem::TYPE_KEEP || $diffType === DiffElem::TYPE_REPLACE) {
-                $beforeFirstKeepOrReplace = false;
-
-                if ($origArrItem === null || $arrItem === null) {
-                    // We can only handle the case where both are null
-                    if ($origArrItem === $arrItem) {
-                        continue;
-                    }
-                    return null;
-                }
-
-                if (!$arrItem instanceof Node || !$origArrItem instanceof Node) {
-                    // We can only deal with nodes. This can occur for Names, which use string arrays.
-                    return null;
-                }
-
-                $itemStartPos = $origArrItem->getStartTokenPos();
-                $itemEndPos = $origArrItem->getEndTokenPos();
-                \assert($itemStartPos >= 0 && $itemEndPos >= 0 && $itemStartPos >= $pos);
-
-                $origIndentLevel = $this->indentLevel;
-                $lastElemIndentLevel = $this->origTokens->getIndentationBefore($itemStartPos) + $indentAdjustment;
-                $this->setIndentLevel($lastElemIndentLevel);
-
-                $comments = $arrItem->getComments();
-                $origComments = $origArrItem->getComments();
-                $commentStartPos = $origComments ? $origComments[0]->getStartTokenPos() : $itemStartPos;
-                \assert($commentStartPos >= 0);
-
-                if ($commentStartPos < $pos) {
-                    // Comments may be assigned to multiple nodes if they start at the same position.
-                    // Make sure we don't try to print them multiple times.
-                    $commentStartPos = $itemStartPos;
-                }
-
-                if ($skipRemovedNode) {
-                    if ($isStmtList && ($this->origTokens->haveBracesInRange($pos, $itemStartPos) ||
-                                        $this->origTokens->haveTagInRange($pos, $itemStartPos))) {
-                        // We'd remove the brace of a code block.
-                        // TODO: Preserve formatting.
-                        $this->setIndentLevel($origIndentLevel);
-                        return null;
-                    }
-                } else {
-                    $result .= $this->origTokens->getTokenCode(
-                        $pos, $commentStartPos, $indentAdjustment);
-                }
-
-                if (!empty($delayedAdd)) {
-                    /** @var Node $delayedAddNode */
-                    foreach ($delayedAdd as $delayedAddNode) {
-                        if ($insertNewline) {
-                            $delayedAddComments = $delayedAddNode->getComments();
-                            if ($delayedAddComments) {
-                                $result .= $this->pComments($delayedAddComments) . $this->nl;
-                            }
-                        }
-
-                        $this->safeAppend($result, $this->p($delayedAddNode, true));
-
-                        if ($insertNewline) {
-                            $result .= $insertStr . $this->nl;
-                        } else {
-                            $result .= $insertStr;
-                        }
-                    }
-
-                    $delayedAdd = [];
-                }
-
-                if ($comments !== $origComments) {
-                    if ($comments) {
-                        $result .= $this->pComments($comments) . $this->nl;
-                    }
-                } else {
-                    $result .= $this->origTokens->getTokenCode(
-                        $commentStartPos, $itemStartPos, $indentAdjustment);
-                }
-
-                // If we had to remove anything, we have done so now.
-                $skipRemovedNode = false;
-            } elseif ($diffType === DiffElem::TYPE_ADD) {
-                if (null === $insertStr) {
-                    // We don't have insertion information for this list type
-                    return null;
-                }
-
-                // We go multiline if the original code was multiline,
-                // or if it's an array item with a comment above it.
-                if ($insertStr === ', ' &&
-                    ($this->isMultiline($origNodes) || $arrItem->getComments())
-                ) {
-                    $insertStr = ',';
-                    $insertNewline = true;
-                }
-
-                if ($beforeFirstKeepOrReplace) {
-                    // Will be inserted at the next "replace" or "keep" element
-                    $delayedAdd[] = $arrItem;
-                    continue;
-                }
-
-                $itemStartPos = $pos;
-                $itemEndPos = $pos - 1;
-
-                $origIndentLevel = $this->indentLevel;
-                $this->setIndentLevel($lastElemIndentLevel);
-
-                if ($insertNewline) {
-                    $result .= $insertStr . $this->nl;
-                    $comments = $arrItem->getComments();
-                    if ($comments) {
-                        $result .= $this->pComments($comments) . $this->nl;
-                    }
-                } else {
-                    $result .= $insertStr;
-                }
-            } elseif ($diffType === DiffElem::TYPE_REMOVE) {
-                if (!$origArrItem instanceof Node) {
-                    // We only support removal for nodes
-                    return null;
-                }
-
-                $itemStartPos = $origArrItem->getStartTokenPos();
-                $itemEndPos = $origArrItem->getEndTokenPos();
-                \assert($itemStartPos >= 0 && $itemEndPos >= 0);
-
-                // Consider comments part of the node.
-                $origComments = $origArrItem->getComments();
-                if ($origComments) {
-                    $itemStartPos = $origComments[0]->getStartTokenPos();
-                }
-
-                if ($i === 0) {
-                    // If we're removing from the start, keep the tokens before the node and drop those after it,
-                    // instead of the other way around.
-                    $result .= $this->origTokens->getTokenCode(
-                        $pos, $itemStartPos, $indentAdjustment);
-                    $skipRemovedNode = true;
-                } else {
-                    if ($isStmtList && ($this->origTokens->haveBracesInRange($pos, $itemStartPos) ||
-                                        $this->origTokens->haveTagInRange($pos, $itemStartPos))) {
-                        // We'd remove the brace of a code block.
-                        // TODO: Preserve formatting.
-                        return null;
-                    }
-                }
-
-                $pos = $itemEndPos + 1;
-                continue;
-            } else {
-                throw new \Exception("Shouldn't happen");
-            }
-
-            if (null !== $fixup && $arrItem->getAttribute('origNode') !== $origArrItem) {
-                $res = $this->pFixup($fixup, $arrItem, null, $itemStartPos, $itemEndPos);
-            } else {
-                $res = $this->p($arrItem, true);
-            }
-            $this->safeAppend($result, $res);
-
-            $this->setIndentLevel($origIndentLevel);
-            $pos = $itemEndPos + 1;
-        }
-
-        if ($skipRemovedNode) {
-            // TODO: Support removing single node.
-            return null;
-        }
-
-        if (!empty($delayedAdd)) {
-            if (!isset($this->emptyListInsertionMap[$mapKey])) {
-                return null;
-            }
-
-            list($findToken, $extraLeft, $extraRight) = $this->emptyListInsertionMap[$mapKey];
-            if (null !== $findToken) {
-                $insertPos = $this->origTokens->findRight($pos, $findToken) + 1;
-                $result .= $this->origTokens->getTokenCode($pos, $insertPos, $indentAdjustment);
-                $pos = $insertPos;
-            }
-
-            $first = true;
-            $result .= $extraLeft;
-            foreach ($delayedAdd as $delayedAddNode) {
-                if (!$first) {
-                    $result .= $insertStr;
-                    if ($insertNewline) {
-                        $result .= $this->nl;
-                    }
-                }
-                $result .= $this->p($delayedAddNode, true);
-                $first = false;
-            }
-            $result .= $extraRight === "\n" ? $this->nl : $extraRight;
-        }
-
-        return $result;
-    }
-
-    /**
-     * Print node with fixups.
-     *
-     * Fixups here refer to the addition of extra parentheses, braces or other characters, that
-     * are required to preserve program semantics in a certain context (e.g. to maintain precedence
-     * or because only certain expressions are allowed in certain places).
-     *
-     * @param int         $fixup       Fixup type
-     * @param Node        $subNode     Subnode to print
-     * @param string|null $parentClass Class of parent node
-     * @param int         $subStartPos Original start pos of subnode
-     * @param int         $subEndPos   Original end pos of subnode
-     *
-     * @return string Result of fixed-up print of subnode
-     */
-    protected function pFixup(int $fixup, Node $subNode, $parentClass, int $subStartPos, int $subEndPos) : string {
-        switch ($fixup) {
-            case self::FIXUP_PREC_LEFT:
-            case self::FIXUP_PREC_RIGHT:
-                if (!$this->origTokens->haveParens($subStartPos, $subEndPos)) {
-                    list($precedence, $associativity) = $this->precedenceMap[$parentClass];
-                    return $this->pPrec($subNode, $precedence, $associativity,
-                        $fixup === self::FIXUP_PREC_LEFT ? -1 : 1);
-                }
-                break;
-            case self::FIXUP_CALL_LHS:
-                if ($this->callLhsRequiresParens($subNode)
-                    && !$this->origTokens->haveParens($subStartPos, $subEndPos)
-                ) {
-                    return '(' . $this->p($subNode) . ')';
-                }
-                break;
-            case self::FIXUP_DEREF_LHS:
-                if ($this->dereferenceLhsRequiresParens($subNode)
-                    && !$this->origTokens->haveParens($subStartPos, $subEndPos)
-                ) {
-                    return '(' . $this->p($subNode) . ')';
-                }
-                break;
-            case self::FIXUP_STATIC_DEREF_LHS:
-                if ($this->staticDereferenceLhsRequiresParens($subNode)
-                    && !$this->origTokens->haveParens($subStartPos, $subEndPos)
-                ) {
-                    return '(' . $this->p($subNode) . ')';
-                }
-                break;
-            case self::FIXUP_NEW:
-                if ($this->newOperandRequiresParens($subNode)
-                    && !$this->origTokens->haveParens($subStartPos, $subEndPos)) {
-                    return '(' . $this->p($subNode) . ')';
-                }
-                break;
-            case self::FIXUP_BRACED_NAME:
-            case self::FIXUP_VAR_BRACED_NAME:
-                if ($subNode instanceof Expr
-                    && !$this->origTokens->haveBraces($subStartPos, $subEndPos)
-                ) {
-                    return ($fixup === self::FIXUP_VAR_BRACED_NAME ? '$' : '')
-                        . '{' . $this->p($subNode) . '}';
-                }
-                break;
-            case self::FIXUP_ENCAPSED:
-                if (!$subNode instanceof Scalar\EncapsedStringPart
-                    && !$this->origTokens->haveBraces($subStartPos, $subEndPos)
-                ) {
-                    return '{' . $this->p($subNode) . '}';
-                }
-                break;
-            default:
-                throw new \Exception('Cannot happen');
-        }
-
-        // Nothing special to do
-        return $this->p($subNode);
-    }
-
-    /**
-     * Appends to a string, ensuring whitespace between label characters.
-     *
-     * Example: "echo" and "$x" result in "echo$x", but "echo" and "x" result in "echo x".
-     * Without safeAppend the result would be "echox", which does not preserve semantics.
-     *
-     * @param string $str
-     * @param string $append
-     */
-    protected function safeAppend(string &$str, string $append) {
-        if ($str === "") {
-            $str = $append;
-            return;
-        }
-
-        if ($append === "") {
-            return;
-        }
-
-        if (!$this->labelCharMap[$append[0]]
-                || !$this->labelCharMap[$str[\strlen($str) - 1]]) {
-            $str .= $append;
-        } else {
-            $str .= " " . $append;
-        }
-    }
-
-    /**
-     * Determines whether the LHS of a call must be wrapped in parenthesis.
-     *
-     * @param Node $node LHS of a call
-     *
-     * @return bool Whether parentheses are required
-     */
-    protected function callLhsRequiresParens(Node $node) : bool {
-        return !($node instanceof Node\Name
-            || $node instanceof Expr\Variable
-            || $node instanceof Expr\ArrayDimFetch
-            || $node instanceof Expr\FuncCall
-            || $node instanceof Expr\MethodCall
-            || $node instanceof Expr\NullsafeMethodCall
-            || $node instanceof Expr\StaticCall
-            || $node instanceof Expr\Array_);
-    }
-
-    /**
-     * Determines whether the LHS of an array/object operation must be wrapped in parentheses.
-     *
-     * @param Node $node LHS of dereferencing operation
-     *
-     * @return bool Whether parentheses are required
-     */
-    protected function dereferenceLhsRequiresParens(Node $node) : bool {
-        // A constant can occur on the LHS of an array/object deref, but not a static deref.
-        return $this->staticDereferenceLhsRequiresParens($node)
-            && !$node instanceof Expr\ConstFetch;
-    }
-
-    /**
-     * Determines whether the LHS of a static operation must be wrapped in parentheses.
-     *
-     * @param Node $node LHS of dereferencing operation
-     *
-     * @return bool Whether parentheses are required
-     */
-    protected function staticDereferenceLhsRequiresParens(Node $node): bool {
-        return !($node instanceof Expr\Variable
-            || $node instanceof Node\Name
-            || $node instanceof Expr\ArrayDimFetch
-            || $node instanceof Expr\PropertyFetch
-            || $node instanceof Expr\NullsafePropertyFetch
-            || $node instanceof Expr\StaticPropertyFetch
-            || $node instanceof Expr\FuncCall
-            || $node instanceof Expr\MethodCall
-            || $node instanceof Expr\NullsafeMethodCall
-            || $node instanceof Expr\StaticCall
-            || $node instanceof Expr\Array_
-            || $node instanceof Scalar\String_
-            || $node instanceof Expr\ClassConstFetch);
-    }
-
-    /**
-     * Determines whether an expression used in "new" or "instanceof" requires parentheses.
-     *
-     * @param Node $node New or instanceof operand
-     *
-     * @return bool Whether parentheses are required
-     */
-    protected function newOperandRequiresParens(Node $node): bool {
-        if ($node instanceof Node\Name || $node instanceof Expr\Variable) {
-            return false;
-        }
-        if ($node instanceof Expr\ArrayDimFetch || $node instanceof Expr\PropertyFetch ||
-            $node instanceof Expr\NullsafePropertyFetch
-        ) {
-            return $this->newOperandRequiresParens($node->var);
-        }
-        if ($node instanceof Expr\StaticPropertyFetch) {
-            return $this->newOperandRequiresParens($node->class);
-        }
-        return true;
-    }
-
-    /**
-     * Print modifiers, including trailing whitespace.
-     *
-     * @param int $modifiers Modifier mask to print
-     *
-     * @return string Printed modifiers
-     */
-    protected function pModifiers(int $modifiers) {
-        return ($modifiers & Stmt\Class_::MODIFIER_PUBLIC    ? 'public '    : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_PROTECTED ? 'protected ' : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_PRIVATE   ? 'private '   : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_STATIC    ? 'static '    : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_ABSTRACT  ? 'abstract '  : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_FINAL     ? 'final '     : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_READONLY  ? 'readonly '  : '');
-    }
-
-    /**
-     * Determine whether a list of nodes uses multiline formatting.
-     *
-     * @param (Node|null)[] $nodes Node list
-     *
-     * @return bool Whether multiline formatting is used
-     */
-    protected function isMultiline(array $nodes) : bool {
-        if (\count($nodes) < 2) {
-            return false;
-        }
-
-        $pos = -1;
-        foreach ($nodes as $node) {
-            if (null === $node) {
-                continue;
-            }
-
-            $endPos = $node->getEndTokenPos() + 1;
-            if ($pos >= 0) {
-                $text = $this->origTokens->getTokenCode($pos, $endPos, 0);
-                if (false === strpos($text, "\n")) {
-                    // We require that a newline is present between *every* item. If the formatting
-                    // is inconsistent, with only some items having newlines, we don't consider it
-                    // as multiline
-                    return false;
-                }
-            }
-            $pos = $endPos;
-        }
-
-        return true;
-    }
-
-    /**
-     * Lazily initializes label char map.
-     *
-     * The label char map determines whether a certain character may occur in a label.
-     */
-    protected function initializeLabelCharMap() {
-        if ($this->labelCharMap) return;
-
-        $this->labelCharMap = [];
-        for ($i = 0; $i < 256; $i++) {
-            // Since PHP 7.1 The lower range is 0x80. However, we also want to support code for
-            // older versions.
-            $chr = chr($i);
-            $this->labelCharMap[$chr] = $i >= 0x7f || ctype_alnum($chr);
-        }
-    }
-
-    /**
-     * Lazily initializes node list differ.
-     *
-     * The node list differ is used to determine differences between two array subnodes.
-     */
-    protected function initializeNodeListDiffer() {
-        if ($this->nodeListDiffer) return;
-
-        $this->nodeListDiffer = new Internal\Differ(function ($a, $b) {
-            if ($a instanceof Node && $b instanceof Node) {
-                return $a === $b->getAttribute('origNode');
-            }
-            // Can happen for array destructuring
-            return $a === null && $b === null;
-        });
-    }
-
-    /**
-     * Lazily initializes fixup map.
-     *
-     * The fixup map is used to determine whether a certain subnode of a certain node may require
-     * some kind of "fixup" operation, e.g. the addition of parenthesis or braces.
-     */
-    protected function initializeFixupMap() {
-        if ($this->fixupMap) return;
-
-        $this->fixupMap = [
-            Expr\PreInc::class => ['var' => self::FIXUP_PREC_RIGHT],
-            Expr\PreDec::class => ['var' => self::FIXUP_PREC_RIGHT],
-            Expr\PostInc::class => ['var' => self::FIXUP_PREC_LEFT],
-            Expr\PostDec::class => ['var' => self::FIXUP_PREC_LEFT],
-            Expr\Instanceof_::class => [
-                'expr' => self::FIXUP_PREC_LEFT,
-                'class' => self::FIXUP_NEW,
-            ],
-            Expr\Ternary::class => [
-                'cond' => self::FIXUP_PREC_LEFT,
-                'else' => self::FIXUP_PREC_RIGHT,
-            ],
-
-            Expr\FuncCall::class => ['name' => self::FIXUP_CALL_LHS],
-            Expr\StaticCall::class => ['class' => self::FIXUP_STATIC_DEREF_LHS],
-            Expr\ArrayDimFetch::class => ['var' => self::FIXUP_DEREF_LHS],
-            Expr\ClassConstFetch::class => [
-                'class' => self::FIXUP_STATIC_DEREF_LHS,
-                'name' => self::FIXUP_BRACED_NAME,
-            ],
-            Expr\New_::class => ['class' => self::FIXUP_NEW],
-            Expr\MethodCall::class => [
-                'var' => self::FIXUP_DEREF_LHS,
-                'name' => self::FIXUP_BRACED_NAME,
-            ],
-            Expr\NullsafeMethodCall::class => [
-                'var' => self::FIXUP_DEREF_LHS,
-                'name' => self::FIXUP_BRACED_NAME,
-            ],
-            Expr\StaticPropertyFetch::class => [
-                'class' => self::FIXUP_STATIC_DEREF_LHS,
-                'name' => self::FIXUP_VAR_BRACED_NAME,
-            ],
-            Expr\PropertyFetch::class => [
-                'var' => self::FIXUP_DEREF_LHS,
-                'name' => self::FIXUP_BRACED_NAME,
-            ],
-            Expr\NullsafePropertyFetch::class => [
-                'var' => self::FIXUP_DEREF_LHS,
-                'name' => self::FIXUP_BRACED_NAME,
-            ],
-            Scalar\Encapsed::class => [
-                'parts' => self::FIXUP_ENCAPSED,
-            ],
-        ];
-
-        $binaryOps = [
-            BinaryOp\Pow::class, BinaryOp\Mul::class, BinaryOp\Div::class, BinaryOp\Mod::class,
-            BinaryOp\Plus::class, BinaryOp\Minus::class, BinaryOp\Concat::class,
-            BinaryOp\ShiftLeft::class, BinaryOp\ShiftRight::class, BinaryOp\Smaller::class,
-            BinaryOp\SmallerOrEqual::class, BinaryOp\Greater::class, BinaryOp\GreaterOrEqual::class,
-            BinaryOp\Equal::class, BinaryOp\NotEqual::class, BinaryOp\Identical::class,
-            BinaryOp\NotIdentical::class, BinaryOp\Spaceship::class, BinaryOp\BitwiseAnd::class,
-            BinaryOp\BitwiseXor::class, BinaryOp\BitwiseOr::class, BinaryOp\BooleanAnd::class,
-            BinaryOp\BooleanOr::class, BinaryOp\Coalesce::class, BinaryOp\LogicalAnd::class,
-            BinaryOp\LogicalXor::class, BinaryOp\LogicalOr::class,
-        ];
-        foreach ($binaryOps as $binaryOp) {
-            $this->fixupMap[$binaryOp] = [
-                'left' => self::FIXUP_PREC_LEFT,
-                'right' => self::FIXUP_PREC_RIGHT
-            ];
-        }
-
-        $assignOps = [
-            Expr\Assign::class, Expr\AssignRef::class, AssignOp\Plus::class, AssignOp\Minus::class,
-            AssignOp\Mul::class, AssignOp\Div::class, AssignOp\Concat::class, AssignOp\Mod::class,
-            AssignOp\BitwiseAnd::class, AssignOp\BitwiseOr::class, AssignOp\BitwiseXor::class,
-            AssignOp\ShiftLeft::class, AssignOp\ShiftRight::class, AssignOp\Pow::class, AssignOp\Coalesce::class
-        ];
-        foreach ($assignOps as $assignOp) {
-            $this->fixupMap[$assignOp] = [
-                'var' => self::FIXUP_PREC_LEFT,
-                'expr' => self::FIXUP_PREC_RIGHT,
-            ];
-        }
-
-        $prefixOps = [
-            Expr\BitwiseNot::class, Expr\BooleanNot::class, Expr\UnaryPlus::class, Expr\UnaryMinus::class,
-            Cast\Int_::class, Cast\Double::class, Cast\String_::class, Cast\Array_::class,
-            Cast\Object_::class, Cast\Bool_::class, Cast\Unset_::class, Expr\ErrorSuppress::class,
-            Expr\YieldFrom::class, Expr\Print_::class, Expr\Include_::class,
-        ];
-        foreach ($prefixOps as $prefixOp) {
-            $this->fixupMap[$prefixOp] = ['expr' => self::FIXUP_PREC_RIGHT];
-        }
-    }
-
-    /**
-     * Lazily initializes the removal map.
-     *
-     * The removal map is used to determine which additional tokens should be removed when a
-     * certain node is replaced by null.
-     */
-    protected function initializeRemovalMap() {
-        if ($this->removalMap) return;
-
-        $stripBoth = ['left' => \T_WHITESPACE, 'right' => \T_WHITESPACE];
-        $stripLeft = ['left' => \T_WHITESPACE];
-        $stripRight = ['right' => \T_WHITESPACE];
-        $stripDoubleArrow = ['right' => \T_DOUBLE_ARROW];
-        $stripColon = ['left' => ':'];
-        $stripEquals = ['left' => '='];
-        $this->removalMap = [
-            'Expr_ArrayDimFetch->dim' => $stripBoth,
-            'Expr_ArrayItem->key' => $stripDoubleArrow,
-            'Expr_ArrowFunction->returnType' => $stripColon,
-            'Expr_Closure->returnType' => $stripColon,
-            'Expr_Exit->expr' => $stripBoth,
-            'Expr_Ternary->if' => $stripBoth,
-            'Expr_Yield->key' => $stripDoubleArrow,
-            'Expr_Yield->value' => $stripBoth,
-            'Param->type' => $stripRight,
-            'Param->default' => $stripEquals,
-            'Stmt_Break->num' => $stripBoth,
-            'Stmt_Catch->var' => $stripLeft,
-            'Stmt_ClassConst->type' => $stripRight,
-            'Stmt_ClassMethod->returnType' => $stripColon,
-            'Stmt_Class->extends' => ['left' => \T_EXTENDS],
-            'Stmt_Enum->scalarType' => $stripColon,
-            'Stmt_EnumCase->expr' => $stripEquals,
-            'Expr_PrintableNewAnonClass->extends' => ['left' => \T_EXTENDS],
-            'Stmt_Continue->num' => $stripBoth,
-            'Stmt_Foreach->keyVar' => $stripDoubleArrow,
-            'Stmt_Function->returnType' => $stripColon,
-            'Stmt_If->else' => $stripLeft,
-            'Stmt_Namespace->name' => $stripLeft,
-            'Stmt_Property->type' => $stripRight,
-            'Stmt_PropertyProperty->default' => $stripEquals,
-            'Stmt_Return->expr' => $stripBoth,
-            'Stmt_StaticVar->default' => $stripEquals,
-            'Stmt_TraitUseAdaptation_Alias->newName' => $stripLeft,
-            'Stmt_TryCatch->finally' => $stripLeft,
-            // 'Stmt_Case->cond': Replace with "default"
-            // 'Stmt_Class->name': Unclear what to do
-            // 'Stmt_Declare->stmts': Not a plain node
-            // 'Stmt_TraitUseAdaptation_Alias->newModifier': Not a plain node
-        ];
-    }
-
-    protected function initializeInsertionMap() {
-        if ($this->insertionMap) return;
-
-        // TODO: "yield" where both key and value are inserted doesn't work
-        // [$find, $beforeToken, $extraLeft, $extraRight]
-        $this->insertionMap = [
-            'Expr_ArrayDimFetch->dim' => ['[', false, null, null],
-            'Expr_ArrayItem->key' => [null, false, null, ' => '],
-            'Expr_ArrowFunction->returnType' => [')', false, ' : ', null],
-            'Expr_Closure->returnType' => [')', false, ' : ', null],
-            'Expr_Ternary->if' => ['?', false, ' ', ' '],
-            'Expr_Yield->key' => [\T_YIELD, false, null, ' => '],
-            'Expr_Yield->value' => [\T_YIELD, false, ' ', null],
-            'Param->type' => [null, false, null, ' '],
-            'Param->default' => [null, false, ' = ', null],
-            'Stmt_Break->num' => [\T_BREAK, false, ' ', null],
-            'Stmt_Catch->var' => [null, false, ' ', null],
-            'Stmt_ClassMethod->returnType' => [')', false, ' : ', null],
-            'Stmt_ClassConst->type' => [\T_CONST, false, ' ', null],
-            'Stmt_Class->extends' => [null, false, ' extends ', null],
-            'Stmt_Enum->scalarType' => [null, false, ' : ', null],
-            'Stmt_EnumCase->expr' => [null, false, ' = ', null],
-            'Expr_PrintableNewAnonClass->extends' => [null, ' extends ', null],
-            'Stmt_Continue->num' => [\T_CONTINUE, false, ' ', null],
-            'Stmt_Foreach->keyVar' => [\T_AS, false, null, ' => '],
-            'Stmt_Function->returnType' => [')', false, ' : ', null],
-            'Stmt_If->else' => [null, false, ' ', null],
-            'Stmt_Namespace->name' => [\T_NAMESPACE, false, ' ', null],
-            'Stmt_Property->type' => [\T_VARIABLE, true, null, ' '],
-            'Stmt_PropertyProperty->default' => [null, false, ' = ', null],
-            'Stmt_Return->expr' => [\T_RETURN, false, ' ', null],
-            'Stmt_StaticVar->default' => [null, false, ' = ', null],
-            //'Stmt_TraitUseAdaptation_Alias->newName' => [T_AS, false, ' ', null], // TODO
-            'Stmt_TryCatch->finally' => [null, false, ' ', null],
-
-            // 'Expr_Exit->expr': Complicated due to optional ()
-            // 'Stmt_Case->cond': Conversion from default to case
-            // 'Stmt_Class->name': Unclear
-            // 'Stmt_Declare->stmts': Not a proper node
-            // 'Stmt_TraitUseAdaptation_Alias->newModifier': Not a proper node
-        ];
-    }
-
-    protected function initializeListInsertionMap() {
-        if ($this->listInsertionMap) return;
-
-        $this->listInsertionMap = [
-            // special
-            //'Expr_ShellExec->parts' => '', // TODO These need to be treated more carefully
-            //'Scalar_Encapsed->parts' => '',
-            'Stmt_Catch->types' => '|',
-            'UnionType->types' => '|',
-            'IntersectionType->types' => '&',
-            'Stmt_If->elseifs' => ' ',
-            'Stmt_TryCatch->catches' => ' ',
-
-            // comma-separated lists
-            'Expr_Array->items' => ', ',
-            'Expr_ArrowFunction->params' => ', ',
-            'Expr_Closure->params' => ', ',
-            'Expr_Closure->uses' => ', ',
-            'Expr_FuncCall->args' => ', ',
-            'Expr_Isset->vars' => ', ',
-            'Expr_List->items' => ', ',
-            'Expr_MethodCall->args' => ', ',
-            'Expr_NullsafeMethodCall->args' => ', ',
-            'Expr_New->args' => ', ',
-            'Expr_PrintableNewAnonClass->args' => ', ',
-            'Expr_StaticCall->args' => ', ',
-            'Stmt_ClassConst->consts' => ', ',
-            'Stmt_ClassMethod->params' => ', ',
-            'Stmt_Class->implements' => ', ',
-            'Stmt_Enum->implements' => ', ',
-            'Expr_PrintableNewAnonClass->implements' => ', ',
-            'Stmt_Const->consts' => ', ',
-            'Stmt_Declare->declares' => ', ',
-            'Stmt_Echo->exprs' => ', ',
-            'Stmt_For->init' => ', ',
-            'Stmt_For->cond' => ', ',
-            'Stmt_For->loop' => ', ',
-            'Stmt_Function->params' => ', ',
-            'Stmt_Global->vars' => ', ',
-            'Stmt_GroupUse->uses' => ', ',
-            'Stmt_Interface->extends' => ', ',
-            'Stmt_Match->arms' => ', ',
-            'Stmt_Property->props' => ', ',
-            'Stmt_StaticVar->vars' => ', ',
-            'Stmt_TraitUse->traits' => ', ',
-            'Stmt_TraitUseAdaptation_Precedence->insteadof' => ', ',
-            'Stmt_Unset->vars' => ', ',
-            'Stmt_Use->uses' => ', ',
-            'MatchArm->conds' => ', ',
-            'AttributeGroup->attrs' => ', ',
-
-            // statement lists
-            'Expr_Closure->stmts' => "\n",
-            'Stmt_Case->stmts' => "\n",
-            'Stmt_Catch->stmts' => "\n",
-            'Stmt_Class->stmts' => "\n",
-            'Stmt_Enum->stmts' => "\n",
-            'Expr_PrintableNewAnonClass->stmts' => "\n",
-            'Stmt_Interface->stmts' => "\n",
-            'Stmt_Trait->stmts' => "\n",
-            'Stmt_ClassMethod->stmts' => "\n",
-            'Stmt_Declare->stmts' => "\n",
-            'Stmt_Do->stmts' => "\n",
-            'Stmt_ElseIf->stmts' => "\n",
-            'Stmt_Else->stmts' => "\n",
-            'Stmt_Finally->stmts' => "\n",
-            'Stmt_Foreach->stmts' => "\n",
-            'Stmt_For->stmts' => "\n",
-            'Stmt_Function->stmts' => "\n",
-            'Stmt_If->stmts' => "\n",
-            'Stmt_Namespace->stmts' => "\n",
-            'Stmt_Class->attrGroups' => "\n",
-            'Stmt_Enum->attrGroups' => "\n",
-            'Stmt_EnumCase->attrGroups' => "\n",
-            'Stmt_Interface->attrGroups' => "\n",
-            'Stmt_Trait->attrGroups' => "\n",
-            'Stmt_Function->attrGroups' => "\n",
-            'Stmt_ClassMethod->attrGroups' => "\n",
-            'Stmt_ClassConst->attrGroups' => "\n",
-            'Stmt_Property->attrGroups' => "\n",
-            'Expr_PrintableNewAnonClass->attrGroups' => ' ',
-            'Expr_Closure->attrGroups' => ' ',
-            'Expr_ArrowFunction->attrGroups' => ' ',
-            'Param->attrGroups' => ' ',
-            'Stmt_Switch->cases' => "\n",
-            'Stmt_TraitUse->adaptations' => "\n",
-            'Stmt_TryCatch->stmts' => "\n",
-            'Stmt_While->stmts' => "\n",
-
-            // dummy for top-level context
-            'File->stmts' => "\n",
-        ];
-    }
-
-    protected function initializeEmptyListInsertionMap() {
-        if ($this->emptyListInsertionMap) return;
-
-        // TODO Insertion into empty statement lists.
-
-        // [$find, $extraLeft, $extraRight]
-        $this->emptyListInsertionMap = [
-            'Expr_ArrowFunction->params' => ['(', '', ''],
-            'Expr_Closure->uses' => [')', ' use(', ')'],
-            'Expr_Closure->params' => ['(', '', ''],
-            'Expr_FuncCall->args' => ['(', '', ''],
-            'Expr_MethodCall->args' => ['(', '', ''],
-            'Expr_NullsafeMethodCall->args' => ['(', '', ''],
-            'Expr_New->args' => ['(', '', ''],
-            'Expr_PrintableNewAnonClass->args' => ['(', '', ''],
-            'Expr_PrintableNewAnonClass->implements' => [null, ' implements ', ''],
-            'Expr_StaticCall->args' => ['(', '', ''],
-            'Stmt_Class->implements' => [null, ' implements ', ''],
-            'Stmt_Enum->implements' => [null, ' implements ', ''],
-            'Stmt_ClassMethod->params' => ['(', '', ''],
-            'Stmt_Interface->extends' => [null, ' extends ', ''],
-            'Stmt_Function->params' => ['(', '', ''],
-            'Stmt_Interface->attrGroups' => [null, '', "\n"],
-            'Stmt_Class->attrGroups' => [null, '', "\n"],
-            'Stmt_ClassConst->attrGroups' => [null, '', "\n"],
-            'Stmt_ClassMethod->attrGroups' => [null, '', "\n"],
-            'Stmt_Function->attrGroups' => [null, '', "\n"],
-            'Stmt_Property->attrGroups' => [null, '', "\n"],
-            'Stmt_Trait->attrGroups' => [null, '', "\n"],
-            'Expr_ArrowFunction->attrGroups' => [null, '', ' '],
-            'Expr_Closure->attrGroups' => [null, '', ' '],
-            'Expr_PrintableNewAnonClass->attrGroups' => [\T_NEW, ' ', ''],
-
-            /* These cannot be empty to start with:
+	const FIXUP_PREC_LEFT       = 0; // LHS operand affected by precedence
+	const FIXUP_PREC_RIGHT      = 1; // RHS operand affected by precedence
+	const FIXUP_CALL_LHS        = 2; // LHS of call
+	const FIXUP_DEREF_LHS       = 3; // LHS of dereferencing operation
+	const FIXUP_BRACED_NAME     = 4; // Name operand that may require bracing
+	const FIXUP_VAR_BRACED_NAME = 5; // Name operand that may require ${} bracing
+	const FIXUP_ENCAPSED        = 6; // Encapsed string part
+	const FIXUP_NEW             = 7; // New/instanceof operand
+	const FIXUP_STATIC_DEREF_LHS = 8; // LHS of static dereferencing operation
+
+	protected $precedenceMap = [
+		// [precedence, associativity]
+		// where for precedence -1 is %left, 0 is %nonassoc and 1 is %right
+		BinaryOp\Pow::class            => [  0,  1],
+		Expr\BitwiseNot::class         => [ 10,  1],
+		Expr\PreInc::class             => [ 10,  1],
+		Expr\PreDec::class             => [ 10,  1],
+		Expr\PostInc::class            => [ 10, -1],
+		Expr\PostDec::class            => [ 10, -1],
+		Expr\UnaryPlus::class          => [ 10,  1],
+		Expr\UnaryMinus::class         => [ 10,  1],
+		Cast\Int_::class               => [ 10,  1],
+		Cast\Double::class             => [ 10,  1],
+		Cast\String_::class            => [ 10,  1],
+		Cast\Array_::class             => [ 10,  1],
+		Cast\Object_::class            => [ 10,  1],
+		Cast\Bool_::class              => [ 10,  1],
+		Cast\Unset_::class             => [ 10,  1],
+		Expr\ErrorSuppress::class      => [ 10,  1],
+		Expr\Instanceof_::class        => [ 20,  0],
+		Expr\BooleanNot::class         => [ 30,  1],
+		BinaryOp\Mul::class            => [ 40, -1],
+		BinaryOp\Div::class            => [ 40, -1],
+		BinaryOp\Mod::class            => [ 40, -1],
+		BinaryOp\Plus::class           => [ 50, -1],
+		BinaryOp\Minus::class          => [ 50, -1],
+		BinaryOp\Concat::class         => [ 50, -1],
+		BinaryOp\ShiftLeft::class      => [ 60, -1],
+		BinaryOp\ShiftRight::class     => [ 60, -1],
+		BinaryOp\Smaller::class        => [ 70,  0],
+		BinaryOp\SmallerOrEqual::class => [ 70,  0],
+		BinaryOp\Greater::class        => [ 70,  0],
+		BinaryOp\GreaterOrEqual::class => [ 70,  0],
+		BinaryOp\Equal::class          => [ 80,  0],
+		BinaryOp\NotEqual::class       => [ 80,  0],
+		BinaryOp\Identical::class      => [ 80,  0],
+		BinaryOp\NotIdentical::class   => [ 80,  0],
+		BinaryOp\Spaceship::class      => [ 80,  0],
+		BinaryOp\BitwiseAnd::class     => [ 90, -1],
+		BinaryOp\BitwiseXor::class     => [100, -1],
+		BinaryOp\BitwiseOr::class      => [110, -1],
+		BinaryOp\BooleanAnd::class     => [120, -1],
+		BinaryOp\BooleanOr::class      => [130, -1],
+		BinaryOp\Coalesce::class       => [140,  1],
+		Expr\Ternary::class            => [150,  0],
+		// parser uses %left for assignments, but they really behave as %right
+		Expr\Assign::class             => [160,  1],
+		Expr\AssignRef::class          => [160,  1],
+		AssignOp\Plus::class           => [160,  1],
+		AssignOp\Minus::class          => [160,  1],
+		AssignOp\Mul::class            => [160,  1],
+		AssignOp\Div::class            => [160,  1],
+		AssignOp\Concat::class         => [160,  1],
+		AssignOp\Mod::class            => [160,  1],
+		AssignOp\BitwiseAnd::class     => [160,  1],
+		AssignOp\BitwiseOr::class      => [160,  1],
+		AssignOp\BitwiseXor::class     => [160,  1],
+		AssignOp\ShiftLeft::class      => [160,  1],
+		AssignOp\ShiftRight::class     => [160,  1],
+		AssignOp\Pow::class            => [160,  1],
+		AssignOp\Coalesce::class       => [160,  1],
+		Expr\YieldFrom::class          => [165,  1],
+		Expr\Print_::class             => [168,  1],
+		BinaryOp\LogicalAnd::class     => [170, -1],
+		BinaryOp\LogicalXor::class     => [180, -1],
+		BinaryOp\LogicalOr::class      => [190, -1],
+		Expr\Include_::class           => [200, -1],
+	];
+
+	/** @var int Current indentation level. */
+	protected $indentLevel;
+	/** @var string Newline including current indentation. */
+	protected $nl;
+	/** @var string Token placed at end of doc string to ensure it is followed by a newline. */
+	protected $docStringEndToken;
+	/** @var bool Whether semicolon namespaces can be used (i.e. no global namespace is used) */
+	protected $canUseSemicolonNamespaces;
+	/** @var array Pretty printer options */
+	protected $options;
+
+	/** @var TokenStream Original tokens for use in format-preserving pretty print */
+	protected $origTokens;
+	/** @var Internal\Differ Differ for node lists */
+	protected $nodeListDiffer;
+	/** @var bool[] Map determining whether a certain character is a label character */
+	protected $labelCharMap;
+	/**
+	 * @var int[][] Map from token classes and subnode names to FIXUP_* constants. This is used
+	 *              during format-preserving prints to place additional parens/braces if necessary.
+	 */
+	protected $fixupMap;
+	/**
+	 * @var int[][] Map from "{$node->getType()}->{$subNode}" to ['left' => $l, 'right' => $r],
+	 *              where $l and $r specify the token type that needs to be stripped when removing
+	 *              this node.
+	 */
+	protected $removalMap;
+	/**
+	 * @var mixed[] Map from "{$node->getType()}->{$subNode}" to [$find, $beforeToken, $extraLeft, $extraRight].
+	 *              $find is an optional token after which the insertion occurs. $extraLeft/Right
+	 *              are optionally added before/after the main insertions.
+	 */
+	protected $insertionMap;
+	/**
+	 * @var string[] Map From "{$node->getType()}->{$subNode}" to string that should be inserted
+	 *               between elements of this list subnode.
+	 */
+	protected $listInsertionMap;
+	protected $emptyListInsertionMap;
+	/** @var int[] Map from "{$node->getType()}->{$subNode}" to token before which the modifiers
+	 *             should be reprinted. */
+	protected $modifierChangeMap;
+
+	/**
+	 * Creates a pretty printer instance using the given options.
+	 *
+	 * Supported options:
+	 *  * bool $shortArraySyntax = false: Whether to use [] instead of array() as the default array
+	 *                                    syntax, if the node does not specify a format.
+	 *
+	 * @param array $options Dictionary of formatting options
+	 */
+	public function __construct(array $options = []) {
+		$this->docStringEndToken = '_DOC_STRING_END_' . mt_rand();
+
+		$defaultOptions = ['shortArraySyntax' => false];
+		$this->options = $options + $defaultOptions;
+	}
+
+	/**
+	 * Reset pretty printing state.
+	 */
+	protected function resetState() {
+		$this->indentLevel = 0;
+		$this->nl = "\n";
+		$this->origTokens = null;
+	}
+
+	/**
+	 * Set indentation level
+	 *
+	 * @param int $level Level in number of spaces
+	 */
+	protected function setIndentLevel(int $level) {
+		$this->indentLevel = $level;
+		$this->nl = "\n" . \str_repeat(' ', $level);
+	}
+
+	/**
+	 * Increase indentation level.
+	 */
+	protected function indent() {
+		$this->indentLevel += 4;
+		$this->nl .= '    ';
+	}
+
+	/**
+	 * Decrease indentation level.
+	 */
+	protected function outdent() {
+		assert($this->indentLevel >= 4);
+		$this->indentLevel -= 4;
+		$this->nl = "\n" . str_repeat(' ', $this->indentLevel);
+	}
+
+	/**
+	 * Pretty prints an array of statements.
+	 *
+	 * @param Node[] $stmts Array of statements
+	 *
+	 * @return string Pretty printed statements
+	 */
+	public function prettyPrint(array $stmts) : string {
+		$this->resetState();
+		$this->preprocessNodes($stmts);
+
+		return ltrim($this->handleMagicTokens($this->pStmts($stmts, false)));
+	}
+
+	/**
+	 * Pretty prints an expression.
+	 *
+	 * @param Expr $node Expression node
+	 *
+	 * @return string Pretty printed node
+	 */
+	public function prettyPrintExpr(Expr $node) : string {
+		$this->resetState();
+		return $this->handleMagicTokens($this->p($node));
+	}
+
+	/**
+	 * Pretty prints a file of statements (includes the opening <?php tag if it is required).
+	 *
+	 * @param Node[] $stmts Array of statements
+	 *
+	 * @return string Pretty printed statements
+	 */
+	public function prettyPrintFile(array $stmts) : string {
+		if (!$stmts) {
+			return "<?php\n\n";
+		}
+
+		$p = "<?php\n\n" . $this->prettyPrint($stmts);
+
+		if ($stmts[0] instanceof Stmt\InlineHTML) {
+			$p = preg_replace('/^<\?php\s+\?>\n?/', '', $p);
+		}
+		if ($stmts[count($stmts) - 1] instanceof Stmt\InlineHTML) {
+			$p = preg_replace('/<\?php$/', '', rtrim($p));
+		}
+
+		return $p;
+	}
+
+	/**
+	 * Preprocesses the top-level nodes to initialize pretty printer state.
+	 *
+	 * @param Node[] $nodes Array of nodes
+	 */
+	protected function preprocessNodes(array $nodes) {
+		/* We can use semicolon-namespaces unless there is a global namespace declaration */
+		$this->canUseSemicolonNamespaces = true;
+		foreach ($nodes as $node) {
+			if ($node instanceof Stmt\Namespace_ && null === $node->name) {
+				$this->canUseSemicolonNamespaces = false;
+				break;
+			}
+		}
+	}
+
+	/**
+	 * Handles (and removes) no-indent and doc-string-end tokens.
+	 *
+	 * @param string $str
+	 * @return string
+	 */
+	protected function handleMagicTokens(string $str) : string {
+		// Replace doc-string-end tokens with nothing or a newline
+		$str = str_replace($this->docStringEndToken . ";\n", ";\n", $str);
+		$str = str_replace($this->docStringEndToken, "\n", $str);
+
+		return $str;
+	}
+
+	/**
+	 * Pretty prints an array of nodes (statements) and indents them optionally.
+	 *
+	 * @param Node[] $nodes  Array of nodes
+	 * @param bool   $indent Whether to indent the printed nodes
+	 *
+	 * @return string Pretty printed statements
+	 */
+	protected function pStmts(array $nodes, bool $indent = true) : string {
+		if ($indent) {
+			$this->indent();
+		}
+
+		$result = '';
+		foreach ($nodes as $node) {
+			$comments = $node->getComments();
+			if ($comments) {
+				$result .= $this->nl . $this->pComments($comments);
+				if ($node instanceof Stmt\Nop) {
+					continue;
+				}
+			}
+
+			$result .= $this->nl . $this->p($node);
+		}
+
+		if ($indent) {
+			$this->outdent();
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Pretty-print an infix operation while taking precedence into account.
+	 *
+	 * @param string $class          Node class of operator
+	 * @param Node   $leftNode       Left-hand side node
+	 * @param string $operatorString String representation of the operator
+	 * @param Node   $rightNode      Right-hand side node
+	 *
+	 * @return string Pretty printed infix operation
+	 */
+	protected function pInfixOp(string $class, Node $leftNode, string $operatorString, Node $rightNode) : string {
+		list($precedence, $associativity) = $this->precedenceMap[$class];
+
+		return $this->pPrec($leftNode, $precedence, $associativity, -1)
+			 . $operatorString
+			 . $this->pPrec($rightNode, $precedence, $associativity, 1);
+	}
+
+	/**
+	 * Pretty-print a prefix operation while taking precedence into account.
+	 *
+	 * @param string $class          Node class of operator
+	 * @param string $operatorString String representation of the operator
+	 * @param Node   $node           Node
+	 *
+	 * @return string Pretty printed prefix operation
+	 */
+	protected function pPrefixOp(string $class, string $operatorString, Node $node) : string {
+		list($precedence, $associativity) = $this->precedenceMap[$class];
+		return $operatorString . $this->pPrec($node, $precedence, $associativity, 1);
+	}
+
+	/**
+	 * Pretty-print a postfix operation while taking precedence into account.
+	 *
+	 * @param string $class          Node class of operator
+	 * @param string $operatorString String representation of the operator
+	 * @param Node   $node           Node
+	 *
+	 * @return string Pretty printed postfix operation
+	 */
+	protected function pPostfixOp(string $class, Node $node, string $operatorString) : string {
+		list($precedence, $associativity) = $this->precedenceMap[$class];
+		return $this->pPrec($node, $precedence, $associativity, -1) . $operatorString;
+	}
+
+	/**
+	 * Prints an expression node with the least amount of parentheses necessary to preserve the meaning.
+	 *
+	 * @param Node $node                Node to pretty print
+	 * @param int  $parentPrecedence    Precedence of the parent operator
+	 * @param int  $parentAssociativity Associativity of parent operator
+	 *                                  (-1 is left, 0 is nonassoc, 1 is right)
+	 * @param int  $childPosition       Position of the node relative to the operator
+	 *                                  (-1 is left, 1 is right)
+	 *
+	 * @return string The pretty printed node
+	 */
+	protected function pPrec(Node $node, int $parentPrecedence, int $parentAssociativity, int $childPosition) : string {
+		$class = \get_class($node);
+		if (isset($this->precedenceMap[$class])) {
+			$childPrecedence = $this->precedenceMap[$class][0];
+			if ($childPrecedence > $parentPrecedence
+				|| ($parentPrecedence === $childPrecedence && $parentAssociativity !== $childPosition)
+			) {
+				return '(' . $this->p($node) . ')';
+			}
+		}
+
+		return $this->p($node);
+	}
+
+	/**
+	 * Pretty prints an array of nodes and implodes the printed values.
+	 *
+	 * @param Node[] $nodes Array of Nodes to be printed
+	 * @param string $glue  Character to implode with
+	 *
+	 * @return string Imploded pretty printed nodes
+	 */
+	protected function pImplode(array $nodes, string $glue = '') : string {
+		$pNodes = [];
+		foreach ($nodes as $node) {
+			if (null === $node) {
+				$pNodes[] = '';
+			} else {
+				$pNodes[] = $this->p($node);
+			}
+		}
+
+		return implode($glue, $pNodes);
+	}
+
+	/**
+	 * Pretty prints an array of nodes and implodes the printed values with commas.
+	 *
+	 * @param Node[] $nodes Array of Nodes to be printed
+	 *
+	 * @return string Comma separated pretty printed nodes
+	 */
+	protected function pCommaSeparated(array $nodes) : string {
+		return $this->pImplode($nodes, ', ');
+	}
+
+	/**
+	 * Pretty prints a comma-separated list of nodes in multiline style, including comments.
+	 *
+	 * The result includes a leading newline and one level of indentation (same as pStmts).
+	 *
+	 * @param Node[] $nodes         Array of Nodes to be printed
+	 * @param bool   $trailingComma Whether to use a trailing comma
+	 *
+	 * @return string Comma separated pretty printed nodes in multiline style
+	 */
+	protected function pCommaSeparatedMultiline(array $nodes, bool $trailingComma) : string {
+		$this->indent();
+
+		$result = '';
+		$lastIdx = count($nodes) - 1;
+		foreach ($nodes as $idx => $node) {
+			if ($node !== null) {
+				$comments = $node->getComments();
+				if ($comments) {
+					$result .= $this->nl . $this->pComments($comments);
+				}
+
+				$result .= $this->nl . $this->p($node);
+			} else {
+				$result .= $this->nl;
+			}
+			if ($trailingComma || $idx !== $lastIdx) {
+				$result .= ',';
+			}
+		}
+
+		$this->outdent();
+		return $result;
+	}
+
+	/**
+	 * Prints reformatted text of the passed comments.
+	 *
+	 * @param Comment[] $comments List of comments
+	 *
+	 * @return string Reformatted text of comments
+	 */
+	protected function pComments(array $comments) : string {
+		$formattedComments = [];
+
+		foreach ($comments as $comment) {
+			$formattedComments[] = str_replace("\n", $this->nl, $comment->getReformattedText());
+		}
+
+		return implode($this->nl, $formattedComments);
+	}
+
+	/**
+	 * Perform a format-preserving pretty print of an AST.
+	 *
+	 * The format preservation is best effort. For some changes to the AST the formatting will not
+	 * be preserved (at least not locally).
+	 *
+	 * In order to use this method a number of prerequisites must be satisfied:
+	 *  * The startTokenPos and endTokenPos attributes in the lexer must be enabled.
+	 *  * The CloningVisitor must be run on the AST prior to modification.
+	 *  * The original tokens must be provided, using the getTokens() method on the lexer.
+	 *
+	 * @param Node[] $stmts      Modified AST with links to original AST
+	 * @param Node[] $origStmts  Original AST with token offset information
+	 * @param array  $origTokens Tokens of the original code
+	 *
+	 * @return string
+	 */
+	public function printFormatPreserving(array $stmts, array $origStmts, array $origTokens) : string {
+		$this->initializeNodeListDiffer();
+		$this->initializeLabelCharMap();
+		$this->initializeFixupMap();
+		$this->initializeRemovalMap();
+		$this->initializeInsertionMap();
+		$this->initializeListInsertionMap();
+		$this->initializeEmptyListInsertionMap();
+		$this->initializeModifierChangeMap();
+
+		$this->resetState();
+		$this->origTokens = new TokenStream($origTokens);
+
+		$this->preprocessNodes($stmts);
+
+		$pos = 0;
+		$result = $this->pArray($stmts, $origStmts, $pos, 0, 'File', 'stmts', null);
+		if (null !== $result) {
+			$result .= $this->origTokens->getTokenCode($pos, count($origTokens), 0);
+		} else {
+			// Fallback
+			// TODO Add <?php properly
+			$result = "<?php\n" . $this->pStmts($stmts, false);
+		}
+
+		return ltrim($this->handleMagicTokens($result));
+	}
+
+	protected function pFallback(Node $node) {
+		return $this->{'p' . $node->getType()}($node);
+	}
+
+	/**
+	 * Pretty prints a node.
+	 *
+	 * This method also handles formatting preservation for nodes.
+	 *
+	 * @param Node $node Node to be pretty printed
+	 * @param bool $parentFormatPreserved Whether parent node has preserved formatting
+	 *
+	 * @return string Pretty printed node
+	 */
+	protected function p(Node $node, $parentFormatPreserved = false) : string {
+		// No orig tokens means this is a normal pretty print without preservation of formatting
+		if (!$this->origTokens) {
+			return $this->{'p' . $node->getType()}($node);
+		}
+
+		/** @var Node $origNode */
+		$origNode = $node->getAttribute('origNode');
+		if (null === $origNode) {
+			return $this->pFallback($node);
+		}
+
+		$class = \get_class($node);
+		\assert($class === \get_class($origNode));
+
+		$startPos = $origNode->getStartTokenPos();
+		$endPos = $origNode->getEndTokenPos();
+		\assert($startPos >= 0 && $endPos >= 0);
+
+		$fallbackNode = $node;
+		if ($node instanceof Expr\New_ && $node->class instanceof Stmt\Class_) {
+			// Normalize node structure of anonymous classes
+			$node = PrintableNewAnonClassNode::fromNewNode($node);
+			$origNode = PrintableNewAnonClassNode::fromNewNode($origNode);
+		}
+
+		// InlineHTML node does not contain closing and opening PHP tags. If the parent formatting
+		// is not preserved, then we need to use the fallback code to make sure the tags are
+		// printed.
+		if ($node instanceof Stmt\InlineHTML && !$parentFormatPreserved) {
+			return $this->pFallback($fallbackNode);
+		}
+
+		$indentAdjustment = $this->indentLevel - $this->origTokens->getIndentationBefore($startPos);
+
+		$type = $node->getType();
+		$fixupInfo = $this->fixupMap[$class] ?? null;
+
+		$result = '';
+		$pos = $startPos;
+		foreach ($node->getSubNodeNames() as $subNodeName) {
+			$subNode = $node->$subNodeName;
+			$origSubNode = $origNode->$subNodeName;
+
+			if ((!$subNode instanceof Node && $subNode !== null)
+				|| (!$origSubNode instanceof Node && $origSubNode !== null)
+			) {
+				if ($subNode === $origSubNode) {
+					// Unchanged, can reuse old code
+					continue;
+				}
+
+				if (is_array($subNode) && is_array($origSubNode)) {
+					// Array subnode changed, we might be able to reconstruct it
+					$listResult = $this->pArray(
+						$subNode, $origSubNode, $pos, $indentAdjustment, $type, $subNodeName,
+						$fixupInfo[$subNodeName] ?? null
+					);
+					if (null === $listResult) {
+						return $this->pFallback($fallbackNode);
+					}
+
+					$result .= $listResult;
+					continue;
+				}
+
+				if (is_int($subNode) && is_int($origSubNode)) {
+					// Check if this is a modifier change
+					$key = $type . '->' . $subNodeName;
+					if (!isset($this->modifierChangeMap[$key])) {
+						return $this->pFallback($fallbackNode);
+					}
+
+					$findToken = $this->modifierChangeMap[$key];
+					$result .= $this->pModifiers($subNode);
+					$pos = $this->origTokens->findRight($pos, $findToken);
+					continue;
+				}
+
+				// If a non-node, non-array subnode changed, we don't be able to do a partial
+				// reconstructions, as we don't have enough offset information. Pretty print the
+				// whole node instead.
+				return $this->pFallback($fallbackNode);
+			}
+
+			$extraLeft = '';
+			$extraRight = '';
+			if ($origSubNode !== null) {
+				$subStartPos = $origSubNode->getStartTokenPos();
+				$subEndPos = $origSubNode->getEndTokenPos();
+				\assert($subStartPos >= 0 && $subEndPos >= 0);
+			} else {
+				if ($subNode === null) {
+					// Both null, nothing to do
+					continue;
+				}
+
+				// A node has been inserted, check if we have insertion information for it
+				$key = $type . '->' . $subNodeName;
+				if (!isset($this->insertionMap[$key])) {
+					return $this->pFallback($fallbackNode);
+				}
+
+				list($findToken, $beforeToken, $extraLeft, $extraRight) = $this->insertionMap[$key];
+				if (null !== $findToken) {
+					$subStartPos = $this->origTokens->findRight($pos, $findToken)
+						+ (int) !$beforeToken;
+				} else {
+					$subStartPos = $pos;
+				}
+
+				if (null === $extraLeft && null !== $extraRight) {
+					// If inserting on the right only, skipping whitespace looks better
+					$subStartPos = $this->origTokens->skipRightWhitespace($subStartPos);
+				}
+				$subEndPos = $subStartPos - 1;
+			}
+
+			if (null === $subNode) {
+				// A node has been removed, check if we have removal information for it
+				$key = $type . '->' . $subNodeName;
+				if (!isset($this->removalMap[$key])) {
+					return $this->pFallback($fallbackNode);
+				}
+
+				// Adjust positions to account for additional tokens that must be skipped
+				$removalInfo = $this->removalMap[$key];
+				if (isset($removalInfo['left'])) {
+					$subStartPos = $this->origTokens->skipLeft($subStartPos - 1, $removalInfo['left']) + 1;
+				}
+				if (isset($removalInfo['right'])) {
+					$subEndPos = $this->origTokens->skipRight($subEndPos + 1, $removalInfo['right']) - 1;
+				}
+			}
+
+			$result .= $this->origTokens->getTokenCode($pos, $subStartPos, $indentAdjustment);
+
+			if (null !== $subNode) {
+				$result .= $extraLeft;
+
+				$origIndentLevel = $this->indentLevel;
+				$this->setIndentLevel($this->origTokens->getIndentationBefore($subStartPos) + $indentAdjustment);
+
+				// If it's the same node that was previously in this position, it certainly doesn't
+				// need fixup. It's important to check this here, because our fixup checks are more
+				// conservative than strictly necessary.
+				if (isset($fixupInfo[$subNodeName])
+					&& $subNode->getAttribute('origNode') !== $origSubNode
+				) {
+					$fixup = $fixupInfo[$subNodeName];
+					$res = $this->pFixup($fixup, $subNode, $class, $subStartPos, $subEndPos);
+				} else {
+					$res = $this->p($subNode, true);
+				}
+
+				$this->safeAppend($result, $res);
+				$this->setIndentLevel($origIndentLevel);
+
+				$result .= $extraRight;
+			}
+
+			$pos = $subEndPos + 1;
+		}
+
+		$result .= $this->origTokens->getTokenCode($pos, $endPos + 1, $indentAdjustment);
+		return $result;
+	}
+
+	/**
+	 * Perform a format-preserving pretty print of an array.
+	 *
+	 * @param array       $nodes            New nodes
+	 * @param array       $origNodes        Original nodes
+	 * @param int         $pos              Current token position (updated by reference)
+	 * @param int         $indentAdjustment Adjustment for indentation
+	 * @param string      $parentNodeType   Type of the containing node.
+	 * @param string      $subNodeName      Name of array subnode.
+	 * @param null|int    $fixup            Fixup information for array item nodes
+	 *
+	 * @return null|string Result of pretty print or null if cannot preserve formatting
+	 */
+	protected function pArray(
+		array $nodes, array $origNodes, int &$pos, int $indentAdjustment,
+		string $parentNodeType, string $subNodeName, $fixup
+	) {
+		$diff = $this->nodeListDiffer->diffWithReplacements($origNodes, $nodes);
+
+		$mapKey = $parentNodeType . '->' . $subNodeName;
+		$insertStr = $this->listInsertionMap[$mapKey] ?? null;
+		$isStmtList = $subNodeName === 'stmts';
+
+		$beforeFirstKeepOrReplace = true;
+		$skipRemovedNode = false;
+		$delayedAdd = [];
+		$lastElemIndentLevel = $this->indentLevel;
+
+		$insertNewline = false;
+		if ($insertStr === "\n") {
+			$insertStr = '';
+			$insertNewline = true;
+		}
+
+		if ($isStmtList && \count($origNodes) === 1 && \count($nodes) !== 1) {
+			$startPos = $origNodes[0]->getStartTokenPos();
+			$endPos = $origNodes[0]->getEndTokenPos();
+			\assert($startPos >= 0 && $endPos >= 0);
+			if (!$this->origTokens->haveBraces($startPos, $endPos)) {
+				// This was a single statement without braces, but either additional statements
+				// have been added, or the single statement has been removed. This requires the
+				// addition of braces. For now fall back.
+				// TODO: Try to preserve formatting
+				return null;
+			}
+		}
+
+		$result = '';
+		foreach ($diff as $i => $diffElem) {
+			$diffType = $diffElem->type;
+			/** @var Node|null $arrItem */
+			$arrItem = $diffElem->new;
+			/** @var Node|null $origArrItem */
+			$origArrItem = $diffElem->old;
+
+			if ($diffType === DiffElem::TYPE_KEEP || $diffType === DiffElem::TYPE_REPLACE) {
+				$beforeFirstKeepOrReplace = false;
+
+				if ($origArrItem === null || $arrItem === null) {
+					// We can only handle the case where both are null
+					if ($origArrItem === $arrItem) {
+						continue;
+					}
+					return null;
+				}
+
+				if (!$arrItem instanceof Node || !$origArrItem instanceof Node) {
+					// We can only deal with nodes. This can occur for Names, which use string arrays.
+					return null;
+				}
+
+				$itemStartPos = $origArrItem->getStartTokenPos();
+				$itemEndPos = $origArrItem->getEndTokenPos();
+				\assert($itemStartPos >= 0 && $itemEndPos >= 0 && $itemStartPos >= $pos);
+
+				$origIndentLevel = $this->indentLevel;
+				$lastElemIndentLevel = $this->origTokens->getIndentationBefore($itemStartPos) + $indentAdjustment;
+				$this->setIndentLevel($lastElemIndentLevel);
+
+				$comments = $arrItem->getComments();
+				$origComments = $origArrItem->getComments();
+				$commentStartPos = $origComments ? $origComments[0]->getStartTokenPos() : $itemStartPos;
+				\assert($commentStartPos >= 0);
+
+				if ($commentStartPos < $pos) {
+					// Comments may be assigned to multiple nodes if they start at the same position.
+					// Make sure we don't try to print them multiple times.
+					$commentStartPos = $itemStartPos;
+				}
+
+				if ($skipRemovedNode) {
+					if ($isStmtList && ($this->origTokens->haveBracesInRange($pos, $itemStartPos) ||
+										$this->origTokens->haveTagInRange($pos, $itemStartPos))) {
+						// We'd remove the brace of a code block.
+						// TODO: Preserve formatting.
+						$this->setIndentLevel($origIndentLevel);
+						return null;
+					}
+				} else {
+					$result .= $this->origTokens->getTokenCode(
+						$pos, $commentStartPos, $indentAdjustment);
+				}
+
+				if (!empty($delayedAdd)) {
+					/** @var Node $delayedAddNode */
+					foreach ($delayedAdd as $delayedAddNode) {
+						if ($insertNewline) {
+							$delayedAddComments = $delayedAddNode->getComments();
+							if ($delayedAddComments) {
+								$result .= $this->pComments($delayedAddComments) . $this->nl;
+							}
+						}
+
+						$this->safeAppend($result, $this->p($delayedAddNode, true));
+
+						if ($insertNewline) {
+							$result .= $insertStr . $this->nl;
+						} else {
+							$result .= $insertStr;
+						}
+					}
+
+					$delayedAdd = [];
+				}
+
+				if ($comments !== $origComments) {
+					if ($comments) {
+						$result .= $this->pComments($comments) . $this->nl;
+					}
+				} else {
+					$result .= $this->origTokens->getTokenCode(
+						$commentStartPos, $itemStartPos, $indentAdjustment);
+				}
+
+				// If we had to remove anything, we have done so now.
+				$skipRemovedNode = false;
+			} elseif ($diffType === DiffElem::TYPE_ADD) {
+				if (null === $insertStr) {
+					// We don't have insertion information for this list type
+					return null;
+				}
+
+				// We go multiline if the original code was multiline,
+				// or if it's an array item with a comment above it.
+				if ($insertStr === ', ' &&
+					($this->isMultiline($origNodes) || $arrItem->getComments())
+				) {
+					$insertStr = ',';
+					$insertNewline = true;
+				}
+
+				if ($beforeFirstKeepOrReplace) {
+					// Will be inserted at the next "replace" or "keep" element
+					$delayedAdd[] = $arrItem;
+					continue;
+				}
+
+				$itemStartPos = $pos;
+				$itemEndPos = $pos - 1;
+
+				$origIndentLevel = $this->indentLevel;
+				$this->setIndentLevel($lastElemIndentLevel);
+
+				if ($insertNewline) {
+					$result .= $insertStr . $this->nl;
+					$comments = $arrItem->getComments();
+					if ($comments) {
+						$result .= $this->pComments($comments) . $this->nl;
+					}
+				} else {
+					$result .= $insertStr;
+				}
+			} elseif ($diffType === DiffElem::TYPE_REMOVE) {
+				if (!$origArrItem instanceof Node) {
+					// We only support removal for nodes
+					return null;
+				}
+
+				$itemStartPos = $origArrItem->getStartTokenPos();
+				$itemEndPos = $origArrItem->getEndTokenPos();
+				\assert($itemStartPos >= 0 && $itemEndPos >= 0);
+
+				// Consider comments part of the node.
+				$origComments = $origArrItem->getComments();
+				if ($origComments) {
+					$itemStartPos = $origComments[0]->getStartTokenPos();
+				}
+
+				if ($i === 0) {
+					// If we're removing from the start, keep the tokens before the node and drop those after it,
+					// instead of the other way around.
+					$result .= $this->origTokens->getTokenCode(
+						$pos, $itemStartPos, $indentAdjustment);
+					$skipRemovedNode = true;
+				} else {
+					if ($isStmtList && ($this->origTokens->haveBracesInRange($pos, $itemStartPos) ||
+										$this->origTokens->haveTagInRange($pos, $itemStartPos))) {
+						// We'd remove the brace of a code block.
+						// TODO: Preserve formatting.
+						return null;
+					}
+				}
+
+				$pos = $itemEndPos + 1;
+				continue;
+			} else {
+				throw new \Exception("Shouldn't happen");
+			}
+
+			if (null !== $fixup && $arrItem->getAttribute('origNode') !== $origArrItem) {
+				$res = $this->pFixup($fixup, $arrItem, null, $itemStartPos, $itemEndPos);
+			} else {
+				$res = $this->p($arrItem, true);
+			}
+			$this->safeAppend($result, $res);
+
+			$this->setIndentLevel($origIndentLevel);
+			$pos = $itemEndPos + 1;
+		}
+
+		if ($skipRemovedNode) {
+			// TODO: Support removing single node.
+			return null;
+		}
+
+		if (!empty($delayedAdd)) {
+			if (!isset($this->emptyListInsertionMap[$mapKey])) {
+				return null;
+			}
+
+			list($findToken, $extraLeft, $extraRight) = $this->emptyListInsertionMap[$mapKey];
+			if (null !== $findToken) {
+				$insertPos = $this->origTokens->findRight($pos, $findToken) + 1;
+				$result .= $this->origTokens->getTokenCode($pos, $insertPos, $indentAdjustment);
+				$pos = $insertPos;
+			}
+
+			$first = true;
+			$result .= $extraLeft;
+			foreach ($delayedAdd as $delayedAddNode) {
+				if (!$first) {
+					$result .= $insertStr;
+					if ($insertNewline) {
+						$result .= $this->nl;
+					}
+				}
+				$result .= $this->p($delayedAddNode, true);
+				$first = false;
+			}
+			$result .= $extraRight === "\n" ? $this->nl : $extraRight;
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Print node with fixups.
+	 *
+	 * Fixups here refer to the addition of extra parentheses, braces or other characters, that
+	 * are required to preserve program semantics in a certain context (e.g. to maintain precedence
+	 * or because only certain expressions are allowed in certain places).
+	 *
+	 * @param int         $fixup       Fixup type
+	 * @param Node        $subNode     Subnode to print
+	 * @param string|null $parentClass Class of parent node
+	 * @param int         $subStartPos Original start pos of subnode
+	 * @param int         $subEndPos   Original end pos of subnode
+	 *
+	 * @return string Result of fixed-up print of subnode
+	 */
+	protected function pFixup(int $fixup, Node $subNode, $parentClass, int $subStartPos, int $subEndPos) : string {
+		switch ($fixup) {
+			case self::FIXUP_PREC_LEFT:
+			case self::FIXUP_PREC_RIGHT:
+				if (!$this->origTokens->haveParens($subStartPos, $subEndPos)) {
+					list($precedence, $associativity) = $this->precedenceMap[$parentClass];
+					return $this->pPrec($subNode, $precedence, $associativity,
+						$fixup === self::FIXUP_PREC_LEFT ? -1 : 1);
+				}
+				break;
+			case self::FIXUP_CALL_LHS:
+				if ($this->callLhsRequiresParens($subNode)
+					&& !$this->origTokens->haveParens($subStartPos, $subEndPos)
+				) {
+					return '(' . $this->p($subNode) . ')';
+				}
+				break;
+			case self::FIXUP_DEREF_LHS:
+				if ($this->dereferenceLhsRequiresParens($subNode)
+					&& !$this->origTokens->haveParens($subStartPos, $subEndPos)
+				) {
+					return '(' . $this->p($subNode) . ')';
+				}
+				break;
+			case self::FIXUP_STATIC_DEREF_LHS:
+				if ($this->staticDereferenceLhsRequiresParens($subNode)
+					&& !$this->origTokens->haveParens($subStartPos, $subEndPos)
+				) {
+					return '(' . $this->p($subNode) . ')';
+				}
+				break;
+			case self::FIXUP_NEW:
+				if ($this->newOperandRequiresParens($subNode)
+					&& !$this->origTokens->haveParens($subStartPos, $subEndPos)) {
+					return '(' . $this->p($subNode) . ')';
+				}
+				break;
+			case self::FIXUP_BRACED_NAME:
+			case self::FIXUP_VAR_BRACED_NAME:
+				if ($subNode instanceof Expr
+					&& !$this->origTokens->haveBraces($subStartPos, $subEndPos)
+				) {
+					return ($fixup === self::FIXUP_VAR_BRACED_NAME ? '$' : '')
+						. '{' . $this->p($subNode) . '}';
+				}
+				break;
+			case self::FIXUP_ENCAPSED:
+				if (!$subNode instanceof Scalar\EncapsedStringPart
+					&& !$this->origTokens->haveBraces($subStartPos, $subEndPos)
+				) {
+					return '{' . $this->p($subNode) . '}';
+				}
+				break;
+			default:
+				throw new \Exception('Cannot happen');
+		}
+
+		// Nothing special to do
+		return $this->p($subNode);
+	}
+
+	/**
+	 * Appends to a string, ensuring whitespace between label characters.
+	 *
+	 * Example: "echo" and "$x" result in "echo$x", but "echo" and "x" result in "echo x".
+	 * Without safeAppend the result would be "echox", which does not preserve semantics.
+	 *
+	 * @param string $str
+	 * @param string $append
+	 */
+	protected function safeAppend(string &$str, string $append) {
+		if ($str === "") {
+			$str = $append;
+			return;
+		}
+
+		if ($append === "") {
+			return;
+		}
+
+		if (!$this->labelCharMap[$append[0]]
+				|| !$this->labelCharMap[$str[\strlen($str) - 1]]) {
+			$str .= $append;
+		} else {
+			$str .= " " . $append;
+		}
+	}
+
+	/**
+	 * Determines whether the LHS of a call must be wrapped in parenthesis.
+	 *
+	 * @param Node $node LHS of a call
+	 *
+	 * @return bool Whether parentheses are required
+	 */
+	protected function callLhsRequiresParens(Node $node) : bool {
+		return !($node instanceof Node\Name
+			|| $node instanceof Expr\Variable
+			|| $node instanceof Expr\ArrayDimFetch
+			|| $node instanceof Expr\FuncCall
+			|| $node instanceof Expr\MethodCall
+			|| $node instanceof Expr\NullsafeMethodCall
+			|| $node instanceof Expr\StaticCall
+			|| $node instanceof Expr\Array_);
+	}
+
+	/**
+	 * Determines whether the LHS of an array/object operation must be wrapped in parentheses.
+	 *
+	 * @param Node $node LHS of dereferencing operation
+	 *
+	 * @return bool Whether parentheses are required
+	 */
+	protected function dereferenceLhsRequiresParens(Node $node) : bool {
+		// A constant can occur on the LHS of an array/object deref, but not a static deref.
+		return $this->staticDereferenceLhsRequiresParens($node)
+			&& !$node instanceof Expr\ConstFetch;
+	}
+
+	/**
+	 * Determines whether the LHS of a static operation must be wrapped in parentheses.
+	 *
+	 * @param Node $node LHS of dereferencing operation
+	 *
+	 * @return bool Whether parentheses are required
+	 */
+	protected function staticDereferenceLhsRequiresParens(Node $node): bool {
+		return !($node instanceof Expr\Variable
+			|| $node instanceof Node\Name
+			|| $node instanceof Expr\ArrayDimFetch
+			|| $node instanceof Expr\PropertyFetch
+			|| $node instanceof Expr\NullsafePropertyFetch
+			|| $node instanceof Expr\StaticPropertyFetch
+			|| $node instanceof Expr\FuncCall
+			|| $node instanceof Expr\MethodCall
+			|| $node instanceof Expr\NullsafeMethodCall
+			|| $node instanceof Expr\StaticCall
+			|| $node instanceof Expr\Array_
+			|| $node instanceof Scalar\String_
+			|| $node instanceof Expr\ClassConstFetch);
+	}
+
+	/**
+	 * Determines whether an expression used in "new" or "instanceof" requires parentheses.
+	 *
+	 * @param Node $node New or instanceof operand
+	 *
+	 * @return bool Whether parentheses are required
+	 */
+	protected function newOperandRequiresParens(Node $node): bool {
+		if ($node instanceof Node\Name || $node instanceof Expr\Variable) {
+			return false;
+		}
+		if ($node instanceof Expr\ArrayDimFetch || $node instanceof Expr\PropertyFetch ||
+			$node instanceof Expr\NullsafePropertyFetch
+		) {
+			return $this->newOperandRequiresParens($node->var);
+		}
+		if ($node instanceof Expr\StaticPropertyFetch) {
+			return $this->newOperandRequiresParens($node->class);
+		}
+		return true;
+	}
+
+	/**
+	 * Print modifiers, including trailing whitespace.
+	 *
+	 * @param int $modifiers Modifier mask to print
+	 *
+	 * @return string Printed modifiers
+	 */
+	protected function pModifiers(int $modifiers) {
+		return ($modifiers & Stmt\Class_::MODIFIER_PUBLIC    ? 'public '    : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_PROTECTED ? 'protected ' : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_PRIVATE   ? 'private '   : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_STATIC    ? 'static '    : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_ABSTRACT  ? 'abstract '  : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_FINAL     ? 'final '     : '')
+			 . ($modifiers & Stmt\Class_::MODIFIER_READONLY  ? 'readonly '  : '');
+	}
+
+	/**
+	 * Determine whether a list of nodes uses multiline formatting.
+	 *
+	 * @param (Node|null)[] $nodes Node list
+	 *
+	 * @return bool Whether multiline formatting is used
+	 */
+	protected function isMultiline(array $nodes) : bool {
+		if (\count($nodes) < 2) {
+			return false;
+		}
+
+		$pos = -1;
+		foreach ($nodes as $node) {
+			if (null === $node) {
+				continue;
+			}
+
+			$endPos = $node->getEndTokenPos() + 1;
+			if ($pos >= 0) {
+				$text = $this->origTokens->getTokenCode($pos, $endPos, 0);
+				if (false === strpos($text, "\n")) {
+					// We require that a newline is present between *every* item. If the formatting
+					// is inconsistent, with only some items having newlines, we don't consider it
+					// as multiline
+					return false;
+				}
+			}
+			$pos = $endPos;
+		}
+
+		return true;
+	}
+
+	/**
+	 * Lazily initializes label char map.
+	 *
+	 * The label char map determines whether a certain character may occur in a label.
+	 */
+	protected function initializeLabelCharMap() {
+		if ($this->labelCharMap) return;
+
+		$this->labelCharMap = [];
+		for ($i = 0; $i < 256; $i++) {
+			// Since PHP 7.1 The lower range is 0x80. However, we also want to support code for
+			// older versions.
+			$chr = chr($i);
+			$this->labelCharMap[$chr] = $i >= 0x7f || ctype_alnum($chr);
+		}
+	}
+
+	/**
+	 * Lazily initializes node list differ.
+	 *
+	 * The node list differ is used to determine differences between two array subnodes.
+	 */
+	protected function initializeNodeListDiffer() {
+		if ($this->nodeListDiffer) return;
+
+		$this->nodeListDiffer = new Internal\Differ(function ($a, $b) {
+			if ($a instanceof Node && $b instanceof Node) {
+				return $a === $b->getAttribute('origNode');
+			}
+			// Can happen for array destructuring
+			return $a === null && $b === null;
+		});
+	}
+
+	/**
+	 * Lazily initializes fixup map.
+	 *
+	 * The fixup map is used to determine whether a certain subnode of a certain node may require
+	 * some kind of "fixup" operation, e.g. the addition of parenthesis or braces.
+	 */
+	protected function initializeFixupMap() {
+		if ($this->fixupMap) return;
+
+		$this->fixupMap = [
+			Expr\PreInc::class => ['var' => self::FIXUP_PREC_RIGHT],
+			Expr\PreDec::class => ['var' => self::FIXUP_PREC_RIGHT],
+			Expr\PostInc::class => ['var' => self::FIXUP_PREC_LEFT],
+			Expr\PostDec::class => ['var' => self::FIXUP_PREC_LEFT],
+			Expr\Instanceof_::class => [
+				'expr' => self::FIXUP_PREC_LEFT,
+				'class' => self::FIXUP_NEW,
+			],
+			Expr\Ternary::class => [
+				'cond' => self::FIXUP_PREC_LEFT,
+				'else' => self::FIXUP_PREC_RIGHT,
+			],
+
+			Expr\FuncCall::class => ['name' => self::FIXUP_CALL_LHS],
+			Expr\StaticCall::class => ['class' => self::FIXUP_STATIC_DEREF_LHS],
+			Expr\ArrayDimFetch::class => ['var' => self::FIXUP_DEREF_LHS],
+			Expr\ClassConstFetch::class => [
+				'class' => self::FIXUP_STATIC_DEREF_LHS,
+				'name' => self::FIXUP_BRACED_NAME,
+			],
+			Expr\New_::class => ['class' => self::FIXUP_NEW],
+			Expr\MethodCall::class => [
+				'var' => self::FIXUP_DEREF_LHS,
+				'name' => self::FIXUP_BRACED_NAME,
+			],
+			Expr\NullsafeMethodCall::class => [
+				'var' => self::FIXUP_DEREF_LHS,
+				'name' => self::FIXUP_BRACED_NAME,
+			],
+			Expr\StaticPropertyFetch::class => [
+				'class' => self::FIXUP_STATIC_DEREF_LHS,
+				'name' => self::FIXUP_VAR_BRACED_NAME,
+			],
+			Expr\PropertyFetch::class => [
+				'var' => self::FIXUP_DEREF_LHS,
+				'name' => self::FIXUP_BRACED_NAME,
+			],
+			Expr\NullsafePropertyFetch::class => [
+				'var' => self::FIXUP_DEREF_LHS,
+				'name' => self::FIXUP_BRACED_NAME,
+			],
+			Scalar\Encapsed::class => [
+				'parts' => self::FIXUP_ENCAPSED,
+			],
+		];
+
+		$binaryOps = [
+			BinaryOp\Pow::class, BinaryOp\Mul::class, BinaryOp\Div::class, BinaryOp\Mod::class,
+			BinaryOp\Plus::class, BinaryOp\Minus::class, BinaryOp\Concat::class,
+			BinaryOp\ShiftLeft::class, BinaryOp\ShiftRight::class, BinaryOp\Smaller::class,
+			BinaryOp\SmallerOrEqual::class, BinaryOp\Greater::class, BinaryOp\GreaterOrEqual::class,
+			BinaryOp\Equal::class, BinaryOp\NotEqual::class, BinaryOp\Identical::class,
+			BinaryOp\NotIdentical::class, BinaryOp\Spaceship::class, BinaryOp\BitwiseAnd::class,
+			BinaryOp\BitwiseXor::class, BinaryOp\BitwiseOr::class, BinaryOp\BooleanAnd::class,
+			BinaryOp\BooleanOr::class, BinaryOp\Coalesce::class, BinaryOp\LogicalAnd::class,
+			BinaryOp\LogicalXor::class, BinaryOp\LogicalOr::class,
+		];
+		foreach ($binaryOps as $binaryOp) {
+			$this->fixupMap[$binaryOp] = [
+				'left' => self::FIXUP_PREC_LEFT,
+				'right' => self::FIXUP_PREC_RIGHT
+			];
+		}
+
+		$assignOps = [
+			Expr\Assign::class, Expr\AssignRef::class, AssignOp\Plus::class, AssignOp\Minus::class,
+			AssignOp\Mul::class, AssignOp\Div::class, AssignOp\Concat::class, AssignOp\Mod::class,
+			AssignOp\BitwiseAnd::class, AssignOp\BitwiseOr::class, AssignOp\BitwiseXor::class,
+			AssignOp\ShiftLeft::class, AssignOp\ShiftRight::class, AssignOp\Pow::class, AssignOp\Coalesce::class
+		];
+		foreach ($assignOps as $assignOp) {
+			$this->fixupMap[$assignOp] = [
+				'var' => self::FIXUP_PREC_LEFT,
+				'expr' => self::FIXUP_PREC_RIGHT,
+			];
+		}
+
+		$prefixOps = [
+			Expr\BitwiseNot::class, Expr\BooleanNot::class, Expr\UnaryPlus::class, Expr\UnaryMinus::class,
+			Cast\Int_::class, Cast\Double::class, Cast\String_::class, Cast\Array_::class,
+			Cast\Object_::class, Cast\Bool_::class, Cast\Unset_::class, Expr\ErrorSuppress::class,
+			Expr\YieldFrom::class, Expr\Print_::class, Expr\Include_::class,
+		];
+		foreach ($prefixOps as $prefixOp) {
+			$this->fixupMap[$prefixOp] = ['expr' => self::FIXUP_PREC_RIGHT];
+		}
+	}
+
+	/**
+	 * Lazily initializes the removal map.
+	 *
+	 * The removal map is used to determine which additional tokens should be removed when a
+	 * certain node is replaced by null.
+	 */
+	protected function initializeRemovalMap() {
+		if ($this->removalMap) return;
+
+		$stripBoth = ['left' => \T_WHITESPACE, 'right' => \T_WHITESPACE];
+		$stripLeft = ['left' => \T_WHITESPACE];
+		$stripRight = ['right' => \T_WHITESPACE];
+		$stripDoubleArrow = ['right' => \T_DOUBLE_ARROW];
+		$stripColon = ['left' => ':'];
+		$stripEquals = ['left' => '='];
+		$this->removalMap = [
+			'Expr_ArrayDimFetch->dim' => $stripBoth,
+			'Expr_ArrayItem->key' => $stripDoubleArrow,
+			'Expr_ArrowFunction->returnType' => $stripColon,
+			'Expr_Closure->returnType' => $stripColon,
+			'Expr_Exit->expr' => $stripBoth,
+			'Expr_Ternary->if' => $stripBoth,
+			'Expr_Yield->key' => $stripDoubleArrow,
+			'Expr_Yield->value' => $stripBoth,
+			'Param->type' => $stripRight,
+			'Param->default' => $stripEquals,
+			'Stmt_Break->num' => $stripBoth,
+			'Stmt_Catch->var' => $stripLeft,
+			'Stmt_ClassConst->type' => $stripRight,
+			'Stmt_ClassMethod->returnType' => $stripColon,
+			'Stmt_Class->extends' => ['left' => \T_EXTENDS],
+			'Stmt_Enum->scalarType' => $stripColon,
+			'Stmt_EnumCase->expr' => $stripEquals,
+			'Expr_PrintableNewAnonClass->extends' => ['left' => \T_EXTENDS],
+			'Stmt_Continue->num' => $stripBoth,
+			'Stmt_Foreach->keyVar' => $stripDoubleArrow,
+			'Stmt_Function->returnType' => $stripColon,
+			'Stmt_If->else' => $stripLeft,
+			'Stmt_Namespace->name' => $stripLeft,
+			'Stmt_Property->type' => $stripRight,
+			'Stmt_PropertyProperty->default' => $stripEquals,
+			'Stmt_Return->expr' => $stripBoth,
+			'Stmt_StaticVar->default' => $stripEquals,
+			'Stmt_TraitUseAdaptation_Alias->newName' => $stripLeft,
+			'Stmt_TryCatch->finally' => $stripLeft,
+			// 'Stmt_Case->cond': Replace with "default"
+			// 'Stmt_Class->name': Unclear what to do
+			// 'Stmt_Declare->stmts': Not a plain node
+			// 'Stmt_TraitUseAdaptation_Alias->newModifier': Not a plain node
+		];
+	}
+
+	protected function initializeInsertionMap() {
+		if ($this->insertionMap) return;
+
+		// TODO: "yield" where both key and value are inserted doesn't work
+		// [$find, $beforeToken, $extraLeft, $extraRight]
+		$this->insertionMap = [
+			'Expr_ArrayDimFetch->dim' => ['[', false, null, null],
+			'Expr_ArrayItem->key' => [null, false, null, ' => '],
+			'Expr_ArrowFunction->returnType' => [')', false, ' : ', null],
+			'Expr_Closure->returnType' => [')', false, ' : ', null],
+			'Expr_Ternary->if' => ['?', false, ' ', ' '],
+			'Expr_Yield->key' => [\T_YIELD, false, null, ' => '],
+			'Expr_Yield->value' => [\T_YIELD, false, ' ', null],
+			'Param->type' => [null, false, null, ' '],
+			'Param->default' => [null, false, ' = ', null],
+			'Stmt_Break->num' => [\T_BREAK, false, ' ', null],
+			'Stmt_Catch->var' => [null, false, ' ', null],
+			'Stmt_ClassMethod->returnType' => [')', false, ' : ', null],
+			'Stmt_ClassConst->type' => [\T_CONST, false, ' ', null],
+			'Stmt_Class->extends' => [null, false, ' extends ', null],
+			'Stmt_Enum->scalarType' => [null, false, ' : ', null],
+			'Stmt_EnumCase->expr' => [null, false, ' = ', null],
+			'Expr_PrintableNewAnonClass->extends' => [null, ' extends ', null],
+			'Stmt_Continue->num' => [\T_CONTINUE, false, ' ', null],
+			'Stmt_Foreach->keyVar' => [\T_AS, false, null, ' => '],
+			'Stmt_Function->returnType' => [')', false, ' : ', null],
+			'Stmt_If->else' => [null, false, ' ', null],
+			'Stmt_Namespace->name' => [\T_NAMESPACE, false, ' ', null],
+			'Stmt_Property->type' => [\T_VARIABLE, true, null, ' '],
+			'Stmt_PropertyProperty->default' => [null, false, ' = ', null],
+			'Stmt_Return->expr' => [\T_RETURN, false, ' ', null],
+			'Stmt_StaticVar->default' => [null, false, ' = ', null],
+			//'Stmt_TraitUseAdaptation_Alias->newName' => [T_AS, false, ' ', null], // TODO
+			'Stmt_TryCatch->finally' => [null, false, ' ', null],
+
+			// 'Expr_Exit->expr': Complicated due to optional ()
+			// 'Stmt_Case->cond': Conversion from default to case
+			// 'Stmt_Class->name': Unclear
+			// 'Stmt_Declare->stmts': Not a proper node
+			// 'Stmt_TraitUseAdaptation_Alias->newModifier': Not a proper node
+		];
+	}
+
+	protected function initializeListInsertionMap() {
+		if ($this->listInsertionMap) return;
+
+		$this->listInsertionMap = [
+			// special
+			//'Expr_ShellExec->parts' => '', // TODO These need to be treated more carefully
+			//'Scalar_Encapsed->parts' => '',
+			'Stmt_Catch->types' => '|',
+			'UnionType->types' => '|',
+			'IntersectionType->types' => '&',
+			'Stmt_If->elseifs' => ' ',
+			'Stmt_TryCatch->catches' => ' ',
+
+			// comma-separated lists
+			'Expr_Array->items' => ', ',
+			'Expr_ArrowFunction->params' => ', ',
+			'Expr_Closure->params' => ', ',
+			'Expr_Closure->uses' => ', ',
+			'Expr_FuncCall->args' => ', ',
+			'Expr_Isset->vars' => ', ',
+			'Expr_List->items' => ', ',
+			'Expr_MethodCall->args' => ', ',
+			'Expr_NullsafeMethodCall->args' => ', ',
+			'Expr_New->args' => ', ',
+			'Expr_PrintableNewAnonClass->args' => ', ',
+			'Expr_StaticCall->args' => ', ',
+			'Stmt_ClassConst->consts' => ', ',
+			'Stmt_ClassMethod->params' => ', ',
+			'Stmt_Class->implements' => ', ',
+			'Stmt_Enum->implements' => ', ',
+			'Expr_PrintableNewAnonClass->implements' => ', ',
+			'Stmt_Const->consts' => ', ',
+			'Stmt_Declare->declares' => ', ',
+			'Stmt_Echo->exprs' => ', ',
+			'Stmt_For->init' => ', ',
+			'Stmt_For->cond' => ', ',
+			'Stmt_For->loop' => ', ',
+			'Stmt_Function->params' => ', ',
+			'Stmt_Global->vars' => ', ',
+			'Stmt_GroupUse->uses' => ', ',
+			'Stmt_Interface->extends' => ', ',
+			'Stmt_Match->arms' => ', ',
+			'Stmt_Property->props' => ', ',
+			'Stmt_StaticVar->vars' => ', ',
+			'Stmt_TraitUse->traits' => ', ',
+			'Stmt_TraitUseAdaptation_Precedence->insteadof' => ', ',
+			'Stmt_Unset->vars' => ', ',
+			'Stmt_Use->uses' => ', ',
+			'MatchArm->conds' => ', ',
+			'AttributeGroup->attrs' => ', ',
+
+			// statement lists
+			'Expr_Closure->stmts' => "\n",
+			'Stmt_Case->stmts' => "\n",
+			'Stmt_Catch->stmts' => "\n",
+			'Stmt_Class->stmts' => "\n",
+			'Stmt_Enum->stmts' => "\n",
+			'Expr_PrintableNewAnonClass->stmts' => "\n",
+			'Stmt_Interface->stmts' => "\n",
+			'Stmt_Trait->stmts' => "\n",
+			'Stmt_ClassMethod->stmts' => "\n",
+			'Stmt_Declare->stmts' => "\n",
+			'Stmt_Do->stmts' => "\n",
+			'Stmt_ElseIf->stmts' => "\n",
+			'Stmt_Else->stmts' => "\n",
+			'Stmt_Finally->stmts' => "\n",
+			'Stmt_Foreach->stmts' => "\n",
+			'Stmt_For->stmts' => "\n",
+			'Stmt_Function->stmts' => "\n",
+			'Stmt_If->stmts' => "\n",
+			'Stmt_Namespace->stmts' => "\n",
+			'Stmt_Class->attrGroups' => "\n",
+			'Stmt_Enum->attrGroups' => "\n",
+			'Stmt_EnumCase->attrGroups' => "\n",
+			'Stmt_Interface->attrGroups' => "\n",
+			'Stmt_Trait->attrGroups' => "\n",
+			'Stmt_Function->attrGroups' => "\n",
+			'Stmt_ClassMethod->attrGroups' => "\n",
+			'Stmt_ClassConst->attrGroups' => "\n",
+			'Stmt_Property->attrGroups' => "\n",
+			'Expr_PrintableNewAnonClass->attrGroups' => ' ',
+			'Expr_Closure->attrGroups' => ' ',
+			'Expr_ArrowFunction->attrGroups' => ' ',
+			'Param->attrGroups' => ' ',
+			'Stmt_Switch->cases' => "\n",
+			'Stmt_TraitUse->adaptations' => "\n",
+			'Stmt_TryCatch->stmts' => "\n",
+			'Stmt_While->stmts' => "\n",
+
+			// dummy for top-level context
+			'File->stmts' => "\n",
+		];
+	}
+
+	protected function initializeEmptyListInsertionMap() {
+		if ($this->emptyListInsertionMap) return;
+
+		// TODO Insertion into empty statement lists.
+
+		// [$find, $extraLeft, $extraRight]
+		$this->emptyListInsertionMap = [
+			'Expr_ArrowFunction->params' => ['(', '', ''],
+			'Expr_Closure->uses' => [')', ' use(', ')'],
+			'Expr_Closure->params' => ['(', '', ''],
+			'Expr_FuncCall->args' => ['(', '', ''],
+			'Expr_MethodCall->args' => ['(', '', ''],
+			'Expr_NullsafeMethodCall->args' => ['(', '', ''],
+			'Expr_New->args' => ['(', '', ''],
+			'Expr_PrintableNewAnonClass->args' => ['(', '', ''],
+			'Expr_PrintableNewAnonClass->implements' => [null, ' implements ', ''],
+			'Expr_StaticCall->args' => ['(', '', ''],
+			'Stmt_Class->implements' => [null, ' implements ', ''],
+			'Stmt_Enum->implements' => [null, ' implements ', ''],
+			'Stmt_ClassMethod->params' => ['(', '', ''],
+			'Stmt_Interface->extends' => [null, ' extends ', ''],
+			'Stmt_Function->params' => ['(', '', ''],
+			'Stmt_Interface->attrGroups' => [null, '', "\n"],
+			'Stmt_Class->attrGroups' => [null, '', "\n"],
+			'Stmt_ClassConst->attrGroups' => [null, '', "\n"],
+			'Stmt_ClassMethod->attrGroups' => [null, '', "\n"],
+			'Stmt_Function->attrGroups' => [null, '', "\n"],
+			'Stmt_Property->attrGroups' => [null, '', "\n"],
+			'Stmt_Trait->attrGroups' => [null, '', "\n"],
+			'Expr_ArrowFunction->attrGroups' => [null, '', ' '],
+			'Expr_Closure->attrGroups' => [null, '', ' '],
+			'Expr_PrintableNewAnonClass->attrGroups' => [\T_NEW, ' ', ''],
+
+			/* These cannot be empty to start with:
              * Expr_Isset->vars
              * Stmt_Catch->types
              * Stmt_Const->consts
@@ -1542,7 +1542,7 @@ 
              * UnionType->types
              */
 
-            /* TODO
+			/* TODO
              * Stmt_If->elseifs
              * Stmt_TryCatch->catches
              * Expr_Array->items
@@ -1551,26 +1551,26 @@ 
              * Stmt_For->cond
              * Stmt_For->loop
              */
-        ];
-    }
-
-    protected function initializeModifierChangeMap() {
-        if ($this->modifierChangeMap) return;
-
-        $this->modifierChangeMap = [
-            'Stmt_ClassConst->flags' => \T_CONST,
-            'Stmt_ClassMethod->flags' => \T_FUNCTION,
-            'Stmt_Class->flags' => \T_CLASS,
-            'Stmt_Property->flags' => \T_VARIABLE,
-            'Expr_PrintableNewAnonClass->flags' => \T_CLASS,
-            'Param->flags' => \T_VARIABLE,
-            //'Stmt_TraitUseAdaptation_Alias->newModifier' => 0, // TODO
-        ];
-
-        // List of integer subnodes that are not modifiers:
-        // Expr_Include->type
-        // Stmt_GroupUse->type
-        // Stmt_Use->type
-        // Stmt_UseUse->type
-    }
+		];
+	}
+
+	protected function initializeModifierChangeMap() {
+		if ($this->modifierChangeMap) return;
+
+		$this->modifierChangeMap = [
+			'Stmt_ClassConst->flags' => \T_CONST,
+			'Stmt_ClassMethod->flags' => \T_FUNCTION,
+			'Stmt_Class->flags' => \T_CLASS,
+			'Stmt_Property->flags' => \T_VARIABLE,
+			'Expr_PrintableNewAnonClass->flags' => \T_CLASS,
+			'Param->flags' => \T_VARIABLE,
+			//'Stmt_TraitUseAdaptation_Alias->newModifier' => 0, // TODO
+		];
+
+		// List of integer subnodes that are not modifiers:
+		// Expr_Include->type
+		// Stmt_GroupUse->type
+		// Stmt_Use->type
+		// Stmt_UseUse->type
+	}
 }

Spacing +94 added lines, -94 removed lines

@@ -27,66 +27,66 @@ 
     protected $precedenceMap = [
         // [precedence, associativity]
         // where for precedence -1 is %left, 0 is %nonassoc and 1 is %right
-        BinaryOp\Pow::class            => [  0,  1],
-        Expr\BitwiseNot::class         => [ 10,  1],
-        Expr\PreInc::class             => [ 10,  1],
-        Expr\PreDec::class             => [ 10,  1],
-        Expr\PostInc::class            => [ 10, -1],
-        Expr\PostDec::class            => [ 10, -1],
-        Expr\UnaryPlus::class          => [ 10,  1],
-        Expr\UnaryMinus::class         => [ 10,  1],
-        Cast\Int_::class               => [ 10,  1],
-        Cast\Double::class             => [ 10,  1],
-        Cast\String_::class            => [ 10,  1],
-        Cast\Array_::class             => [ 10,  1],
-        Cast\Object_::class            => [ 10,  1],
-        Cast\Bool_::class              => [ 10,  1],
-        Cast\Unset_::class             => [ 10,  1],
-        Expr\ErrorSuppress::class      => [ 10,  1],
-        Expr\Instanceof_::class        => [ 20,  0],
-        Expr\BooleanNot::class         => [ 30,  1],
-        BinaryOp\Mul::class            => [ 40, -1],
-        BinaryOp\Div::class            => [ 40, -1],
-        BinaryOp\Mod::class            => [ 40, -1],
-        BinaryOp\Plus::class           => [ 50, -1],
-        BinaryOp\Minus::class          => [ 50, -1],
-        BinaryOp\Concat::class         => [ 50, -1],
-        BinaryOp\ShiftLeft::class      => [ 60, -1],
-        BinaryOp\ShiftRight::class     => [ 60, -1],
-        BinaryOp\Smaller::class        => [ 70,  0],
-        BinaryOp\SmallerOrEqual::class => [ 70,  0],
-        BinaryOp\Greater::class        => [ 70,  0],
-        BinaryOp\GreaterOrEqual::class => [ 70,  0],
-        BinaryOp\Equal::class          => [ 80,  0],
-        BinaryOp\NotEqual::class       => [ 80,  0],
-        BinaryOp\Identical::class      => [ 80,  0],
-        BinaryOp\NotIdentical::class   => [ 80,  0],
-        BinaryOp\Spaceship::class      => [ 80,  0],
-        BinaryOp\BitwiseAnd::class     => [ 90, -1],
+        BinaryOp\Pow::class            => [0, 1],
+        Expr\BitwiseNot::class         => [10, 1],
+        Expr\PreInc::class             => [10, 1],
+        Expr\PreDec::class             => [10, 1],
+        Expr\PostInc::class            => [10, -1],
+        Expr\PostDec::class            => [10, -1],
+        Expr\UnaryPlus::class          => [10, 1],
+        Expr\UnaryMinus::class         => [10, 1],
+        Cast\Int_::class               => [10, 1],
+        Cast\Double::class             => [10, 1],
+        Cast\String_::class            => [10, 1],
+        Cast\Array_::class             => [10, 1],
+        Cast\Object_::class            => [10, 1],
+        Cast\Bool_::class              => [10, 1],
+        Cast\Unset_::class             => [10, 1],
+        Expr\ErrorSuppress::class      => [10, 1],
+        Expr\Instanceof_::class        => [20, 0],
+        Expr\BooleanNot::class         => [30, 1],
+        BinaryOp\Mul::class            => [40, -1],
+        BinaryOp\Div::class            => [40, -1],
+        BinaryOp\Mod::class            => [40, -1],
+        BinaryOp\Plus::class           => [50, -1],
+        BinaryOp\Minus::class          => [50, -1],
+        BinaryOp\Concat::class         => [50, -1],
+        BinaryOp\ShiftLeft::class      => [60, -1],
+        BinaryOp\ShiftRight::class     => [60, -1],
+        BinaryOp\Smaller::class        => [70, 0],
+        BinaryOp\SmallerOrEqual::class => [70, 0],
+        BinaryOp\Greater::class        => [70, 0],
+        BinaryOp\GreaterOrEqual::class => [70, 0],
+        BinaryOp\Equal::class          => [80, 0],
+        BinaryOp\NotEqual::class       => [80, 0],
+        BinaryOp\Identical::class      => [80, 0],
+        BinaryOp\NotIdentical::class   => [80, 0],
+        BinaryOp\Spaceship::class      => [80, 0],
+        BinaryOp\BitwiseAnd::class     => [90, -1],
         BinaryOp\BitwiseXor::class     => [100, -1],
         BinaryOp\BitwiseOr::class      => [110, -1],
         BinaryOp\BooleanAnd::class     => [120, -1],
         BinaryOp\BooleanOr::class      => [130, -1],
-        BinaryOp\Coalesce::class       => [140,  1],
-        Expr\Ternary::class            => [150,  0],
+        BinaryOp\Coalesce::class       => [140, 1],
+        Expr\Ternary::class            => [150, 0],
         // parser uses %left for assignments, but they really behave as %right
-        Expr\Assign::class             => [160,  1],
-        Expr\AssignRef::class          => [160,  1],
-        AssignOp\Plus::class           => [160,  1],
-        AssignOp\Minus::class          => [160,  1],
-        AssignOp\Mul::class            => [160,  1],
-        AssignOp\Div::class            => [160,  1],
-        AssignOp\Concat::class         => [160,  1],
-        AssignOp\Mod::class            => [160,  1],
-        AssignOp\BitwiseAnd::class     => [160,  1],
-        AssignOp\BitwiseOr::class      => [160,  1],
-        AssignOp\BitwiseXor::class     => [160,  1],
-        AssignOp\ShiftLeft::class      => [160,  1],
-        AssignOp\ShiftRight::class     => [160,  1],
-        AssignOp\Pow::class            => [160,  1],
-        AssignOp\Coalesce::class       => [160,  1],
-        Expr\YieldFrom::class          => [165,  1],
-        Expr\Print_::class             => [168,  1],
+        Expr\Assign::class             => [160, 1],
+        Expr\AssignRef::class          => [160, 1],
+        AssignOp\Plus::class           => [160, 1],
+        AssignOp\Minus::class          => [160, 1],
+        AssignOp\Mul::class            => [160, 1],
+        AssignOp\Div::class            => [160, 1],
+        AssignOp\Concat::class         => [160, 1],
+        AssignOp\Mod::class            => [160, 1],
+        AssignOp\BitwiseAnd::class     => [160, 1],
+        AssignOp\BitwiseOr::class      => [160, 1],
+        AssignOp\BitwiseXor::class     => [160, 1],
+        AssignOp\ShiftLeft::class      => [160, 1],
+        AssignOp\ShiftRight::class     => [160, 1],
+        AssignOp\Pow::class            => [160, 1],
+        AssignOp\Coalesce::class       => [160, 1],
+        Expr\YieldFrom::class          => [165, 1],
+        Expr\Print_::class             => [168, 1],
         BinaryOp\LogicalAnd::class     => [170, -1],
         BinaryOp\LogicalXor::class     => [180, -1],
         BinaryOp\LogicalOr::class      => [190, -1],
@@ -147,7 +147,7 @@ 
      * @param array $options Dictionary of formatting options
      */
     public function __construct(array $options = []) {
-        $this->docStringEndToken = '_DOC_STRING_END_' . mt_rand();
+        $this->docStringEndToken = '_DOC_STRING_END_'.mt_rand();
 
         $defaultOptions = ['shortArraySyntax' => false];
         $this->options = $options + $defaultOptions;
@@ -169,7 +169,7 @@ 
      */
     protected function setIndentLevel(int $level) {
         $this->indentLevel = $level;
-        $this->nl = "\n" . \str_repeat(' ', $level);
+        $this->nl = "\n".\str_repeat(' ', $level);
     }
 
     /**
@@ -186,7 +186,7 @@ 
     protected function outdent() {
         assert($this->indentLevel >= 4);
         $this->indentLevel -= 4;
-        $this->nl = "\n" . str_repeat(' ', $this->indentLevel);
+        $this->nl = "\n".str_repeat(' ', $this->indentLevel);
     }
 
     /**
@@ -227,7 +227,7 @@ 
             return "<?php\n\n";
         }
 
-        $p = "<?php\n\n" . $this->prettyPrint($stmts);
+        $p = "<?php\n\n".$this->prettyPrint($stmts);
 
         if ($stmts[0] instanceof Stmt\InlineHTML) {
             $p = preg_replace('/^<\?php\s+\?>\n?/', '', $p);
@@ -263,7 +263,7 @@ 
      */
     protected function handleMagicTokens(string $str) : string {
         // Replace doc-string-end tokens with nothing or a newline
-        $str = str_replace($this->docStringEndToken . ";\n", ";\n", $str);
+        $str = str_replace($this->docStringEndToken.";\n", ";\n", $str);
         $str = str_replace($this->docStringEndToken, "\n", $str);
 
         return $str;
@@ -286,13 +286,13 @@ 
         foreach ($nodes as $node) {
             $comments = $node->getComments();
             if ($comments) {
-                $result .= $this->nl . $this->pComments($comments);
+                $result .= $this->nl.$this->pComments($comments);
                 if ($node instanceof Stmt\Nop) {
                     continue;
                 }
             }
 
-            $result .= $this->nl . $this->p($node);
+            $result .= $this->nl.$this->p($node);
         }
 
         if ($indent) {
@@ -331,7 +331,7 @@ 
      */
     protected function pPrefixOp(string $class, string $operatorString, Node $node) : string {
         list($precedence, $associativity) = $this->precedenceMap[$class];
-        return $operatorString . $this->pPrec($node, $precedence, $associativity, 1);
+        return $operatorString.$this->pPrec($node, $precedence, $associativity, 1);
     }
 
     /**
@@ -345,7 +345,7 @@ 
      */
     protected function pPostfixOp(string $class, Node $node, string $operatorString) : string {
         list($precedence, $associativity) = $this->precedenceMap[$class];
-        return $this->pPrec($node, $precedence, $associativity, -1) . $operatorString;
+        return $this->pPrec($node, $precedence, $associativity, -1).$operatorString;
     }
 
     /**
@@ -367,7 +367,7 @@ 
             if ($childPrecedence > $parentPrecedence
                 || ($parentPrecedence === $childPrecedence && $parentAssociativity !== $childPosition)
             ) {
-                return '(' . $this->p($node) . ')';
+                return '('.$this->p($node).')';
             }
         }
 
@@ -425,10 +425,10 @@ 
             if ($node !== null) {
                 $comments = $node->getComments();
                 if ($comments) {
-                    $result .= $this->nl . $this->pComments($comments);
+                    $result .= $this->nl.$this->pComments($comments);
                 }
 
-                $result .= $this->nl . $this->p($node);
+                $result .= $this->nl.$this->p($node);
             } else {
                 $result .= $this->nl;
             }
@@ -497,14 +497,14 @@ 
         } else {
             // Fallback
             // TODO Add <?php properly
-            $result = "<?php\n" . $this->pStmts($stmts, false);
+            $result = "<?php\n".$this->pStmts($stmts, false);
         }
 
         return ltrim($this->handleMagicTokens($result));
     }
 
     protected function pFallback(Node $node) {
-        return $this->{'p' . $node->getType()}($node);
+        return $this->{'p'.$node->getType()}($node);
     }
 
     /**
@@ -520,7 +520,7 @@ 
     protected function p(Node $node, $parentFormatPreserved = false) : string {
         // No orig tokens means this is a normal pretty print without preservation of formatting
         if (!$this->origTokens) {
-            return $this->{'p' . $node->getType()}($node);
+            return $this->{'p'.$node->getType()}($node);
         }
 
         /** @var Node $origNode */
@@ -585,7 +585,7 @@ 
 
                 if (is_int($subNode) && is_int($origSubNode)) {
                     // Check if this is a modifier change
-                    $key = $type . '->' . $subNodeName;
+                    $key = $type.'->'.$subNodeName;
                     if (!isset($this->modifierChangeMap[$key])) {
                         return $this->pFallback($fallbackNode);
                     }
@@ -615,7 +615,7 @@ 
                 }
 
                 // A node has been inserted, check if we have insertion information for it
-                $key = $type . '->' . $subNodeName;
+                $key = $type.'->'.$subNodeName;
                 if (!isset($this->insertionMap[$key])) {
                     return $this->pFallback($fallbackNode);
                 }
@@ -623,7 +623,7 @@ 
                 list($findToken, $beforeToken, $extraLeft, $extraRight) = $this->insertionMap[$key];
                 if (null !== $findToken) {
                     $subStartPos = $this->origTokens->findRight($pos, $findToken)
-                        + (int) !$beforeToken;
+                        + (int)!$beforeToken;
                 } else {
                     $subStartPos = $pos;
                 }
@@ -637,7 +637,7 @@ 
 
             if (null === $subNode) {
                 // A node has been removed, check if we have removal information for it
-                $key = $type . '->' . $subNodeName;
+                $key = $type.'->'.$subNodeName;
                 if (!isset($this->removalMap[$key])) {
                     return $this->pFallback($fallbackNode);
                 }
@@ -704,7 +704,7 @@ 
     ) {
         $diff = $this->nodeListDiffer->diffWithReplacements($origNodes, $nodes);
 
-        $mapKey = $parentNodeType . '->' . $subNodeName;
+        $mapKey = $parentNodeType.'->'.$subNodeName;
         $insertStr = $this->listInsertionMap[$mapKey] ?? null;
         $isStmtList = $subNodeName === 'stmts';
 
@@ -794,14 +794,14 @@ 
                         if ($insertNewline) {
                             $delayedAddComments = $delayedAddNode->getComments();
                             if ($delayedAddComments) {
-                                $result .= $this->pComments($delayedAddComments) . $this->nl;
+                                $result .= $this->pComments($delayedAddComments).$this->nl;
                             }
                         }
 
                         $this->safeAppend($result, $this->p($delayedAddNode, true));
 
                         if ($insertNewline) {
-                            $result .= $insertStr . $this->nl;
+                            $result .= $insertStr.$this->nl;
                         } else {
                             $result .= $insertStr;
                         }
@@ -812,7 +812,7 @@ 
 
                 if ($comments !== $origComments) {
                     if ($comments) {
-                        $result .= $this->pComments($comments) . $this->nl;
+                        $result .= $this->pComments($comments).$this->nl;
                     }
                 } else {
                     $result .= $this->origTokens->getTokenCode(
@@ -849,10 +849,10 @@ 
                 $this->setIndentLevel($lastElemIndentLevel);
 
                 if ($insertNewline) {
-                    $result .= $insertStr . $this->nl;
+                    $result .= $insertStr.$this->nl;
                     $comments = $arrItem->getComments();
                     if ($comments) {
-                        $result .= $this->pComments($comments) . $this->nl;
+                        $result .= $this->pComments($comments).$this->nl;
                     }
                 } else {
                     $result .= $insertStr;
@@ -969,27 +969,27 @@ 
                 if ($this->callLhsRequiresParens($subNode)
                     && !$this->origTokens->haveParens($subStartPos, $subEndPos)
                 ) {
-                    return '(' . $this->p($subNode) . ')';
+                    return '('.$this->p($subNode).')';
                 }
                 break;
             case self::FIXUP_DEREF_LHS:
                 if ($this->dereferenceLhsRequiresParens($subNode)
                     && !$this->origTokens->haveParens($subStartPos, $subEndPos)
                 ) {
-                    return '(' . $this->p($subNode) . ')';
+                    return '('.$this->p($subNode).')';
                 }
                 break;
             case self::FIXUP_STATIC_DEREF_LHS:
                 if ($this->staticDereferenceLhsRequiresParens($subNode)
                     && !$this->origTokens->haveParens($subStartPos, $subEndPos)
                 ) {
-                    return '(' . $this->p($subNode) . ')';
+                    return '('.$this->p($subNode).')';
                 }
                 break;
             case self::FIXUP_NEW:
                 if ($this->newOperandRequiresParens($subNode)
                     && !$this->origTokens->haveParens($subStartPos, $subEndPos)) {
-                    return '(' . $this->p($subNode) . ')';
+                    return '('.$this->p($subNode).')';
                 }
                 break;
             case self::FIXUP_BRACED_NAME:
@@ -998,14 +998,14 @@ 
                     && !$this->origTokens->haveBraces($subStartPos, $subEndPos)
                 ) {
                     return ($fixup === self::FIXUP_VAR_BRACED_NAME ? '$' : '')
-                        . '{' . $this->p($subNode) . '}';
+                        . '{'.$this->p($subNode).'}';
                 }
                 break;
             case self::FIXUP_ENCAPSED:
                 if (!$subNode instanceof Scalar\EncapsedStringPart
                     && !$this->origTokens->haveBraces($subStartPos, $subEndPos)
                 ) {
-                    return '{' . $this->p($subNode) . '}';
+                    return '{'.$this->p($subNode).'}';
                 }
                 break;
             default:
@@ -1039,7 +1039,7 @@ 
                 || !$this->labelCharMap[$str[\strlen($str) - 1]]) {
             $str .= $append;
         } else {
-            $str .= " " . $append;
+            $str .= " ".$append;
         }
     }
 
@@ -1127,13 +1127,13 @@ 
      * @return string Printed modifiers
      */
     protected function pModifiers(int $modifiers) {
-        return ($modifiers & Stmt\Class_::MODIFIER_PUBLIC    ? 'public '    : '')
+        return ($modifiers & Stmt\Class_::MODIFIER_PUBLIC ? 'public ' : '')
              . ($modifiers & Stmt\Class_::MODIFIER_PROTECTED ? 'protected ' : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_PRIVATE   ? 'private '   : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_STATIC    ? 'static '    : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_ABSTRACT  ? 'abstract '  : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_FINAL     ? 'final '     : '')
-             . ($modifiers & Stmt\Class_::MODIFIER_READONLY  ? 'readonly '  : '');
+             . ($modifiers & Stmt\Class_::MODIFIER_PRIVATE ? 'private ' : '')
+             . ($modifiers & Stmt\Class_::MODIFIER_STATIC ? 'static ' : '')
+             . ($modifiers & Stmt\Class_::MODIFIER_ABSTRACT ? 'abstract ' : '')
+             . ($modifiers & Stmt\Class_::MODIFIER_FINAL ? 'final ' : '')
+             . ($modifiers & Stmt\Class_::MODIFIER_READONLY ? 'readonly ' : '');
     }
 
     /**
@@ -1195,7 +1195,7 @@ 
     protected function initializeNodeListDiffer() {
         if ($this->nodeListDiffer) return;
 
-        $this->nodeListDiffer = new Internal\Differ(function ($a, $b) {
+        $this->nodeListDiffer = new Internal\Differ(function($a, $b) {
             if ($a instanceof Node && $b instanceof Node) {
                 return $a === $b->getAttribute('origNode');
             }

Braces +25 added lines, -10 removed lines

@@ -12,8 +12,7 @@ 
 use PhpParser\Node\Scalar;
 use PhpParser\Node\Stmt;
 
-abstract class PrettyPrinterAbstract
-{
+abstract class PrettyPrinterAbstract {
     const FIXUP_PREC_LEFT       = 0; // LHS operand affected by precedence
     const FIXUP_PREC_RIGHT      = 1; // RHS operand affected by precedence
     const FIXUP_CALL_LHS        = 2; // LHS of call
@@ -1176,7 +1175,9 @@ 
      * The label char map determines whether a certain character may occur in a label.
      */
     protected function initializeLabelCharMap() {
-        if ($this->labelCharMap) return;
+        if ($this->labelCharMap) {
+        	return;
+        }
 
         $this->labelCharMap = [];
         for ($i = 0; $i < 256; $i++) {
@@ -1193,7 +1194,9 @@ 
      * The node list differ is used to determine differences between two array subnodes.
      */
     protected function initializeNodeListDiffer() {
-        if ($this->nodeListDiffer) return;
+        if ($this->nodeListDiffer) {
+        	return;
+        }
 
         $this->nodeListDiffer = new Internal\Differ(function ($a, $b) {
             if ($a instanceof Node && $b instanceof Node) {
@@ -1211,7 +1214,9 @@ 
      * some kind of "fixup" operation, e.g. the addition of parenthesis or braces.
      */
     protected function initializeFixupMap() {
-        if ($this->fixupMap) return;
+        if ($this->fixupMap) {
+        	return;
+        }
 
         $this->fixupMap = [
             Expr\PreInc::class => ['var' => self::FIXUP_PREC_RIGHT],
@@ -1309,7 +1314,9 @@ 
      * certain node is replaced by null.
      */
     protected function initializeRemovalMap() {
-        if ($this->removalMap) return;
+        if ($this->removalMap) {
+        	return;
+        }
 
         $stripBoth = ['left' => \T_WHITESPACE, 'right' => \T_WHITESPACE];
         $stripLeft = ['left' => \T_WHITESPACE];
@@ -1355,7 +1362,9 @@ 
     }
 
     protected function initializeInsertionMap() {
-        if ($this->insertionMap) return;
+        if ($this->insertionMap) {
+        	return;
+        }
 
         // TODO: "yield" where both key and value are inserted doesn't work
         // [$find, $beforeToken, $extraLeft, $extraRight]
@@ -1398,7 +1407,9 @@ 
     }
 
     protected function initializeListInsertionMap() {
-        if ($this->listInsertionMap) return;
+        if ($this->listInsertionMap) {
+        	return;
+        }
 
         $this->listInsertionMap = [
             // special
@@ -1492,7 +1503,9 @@ 
     }
 
     protected function initializeEmptyListInsertionMap() {
-        if ($this->emptyListInsertionMap) return;
+        if ($this->emptyListInsertionMap) {
+        	return;
+        }
 
         // TODO Insertion into empty statement lists.
 
@@ -1555,7 +1568,9 @@ 
     }
 
     protected function initializeModifierChangeMap() {
-        if ($this->modifierChangeMap) return;
+        if ($this->modifierChangeMap) {
+        	return;
+        }
 
         $this->modifierChangeMap = [
             'Stmt_ClassConst->flags' => \T_CONST,

vendor-bin/php-scoper/vendor/nikic/php-parser/lib/PhpParser/Error.php

Indentation +173 added lines, -173 removed lines

@@ -4,177 +4,177 @@
 
 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(string $message, $attributes = []) {
-        $this->rawMessage = $message;
-        if (is_array($attributes)) {
-            $this->attributes = $attributes;
-        } else {
-            $this->attributes = ['startLine' => $attributes];
-        }
-        $this->updateMessage();
-    }
-
-    /**
-     * Gets the error message
-     *
-     * @return string Error message
-     */
-    public function getRawMessage() : string {
-        return $this->rawMessage;
-    }
-
-    /**
-     * Gets the line the error starts in.
-     *
-     * @return int Error start line
-     */
-    public function getStartLine() : int {
-        return $this->attributes['startLine'] ?? -1;
-    }
-
-    /**
-     * Gets the line the error ends in.
-     *
-     * @return int Error end line
-     */
-    public function getEndLine() : int {
-        return $this->attributes['endLine'] ?? -1;
-    }
-
-    /**
-     * Gets the attributes of the node/token the error occurred at.
-     *
-     * @return array
-     */
-    public function getAttributes() : array {
-        return $this->attributes;
-    }
-
-    /**
-     * Sets the attributes of the node/token the error occurred 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(string $message) {
-        $this->rawMessage = $message;
-        $this->updateMessage();
-    }
-
-    /**
-     * Sets the line the error starts in.
-     *
-     * @param int $line Error start line
-     */
-    public function setStartLine(int $line) {
-        $this->attributes['startLine'] = $line;
-        $this->updateMessage();
-    }
-
-    /**
-     * Returns whether the error has start and end column information.
-     *
-     * For column information enable the startFilePos and endFilePos in the lexer options.
-     *
-     * @return bool
-     */
-    public function hasColumnInfo() : bool {
-        return isset($this->attributes['startFilePos'], $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(string $code) : int {
-        if (!$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(string $code) : int {
-        if (!$this->hasColumnInfo()) {
-            throw new \RuntimeException('Error does not have column information');
-        }
-
-        return $this->toColumn($code, $this->attributes['endFilePos']);
-    }
-
-    /**
-     * Formats message including line and column information.
-     *
-     * @param string $code Source code associated with the error, for calculation of the columns
-     *
-     * @return string Formatted message
-     */
-    public function getMessageWithColumnInfo(string $code) : string {
-        return sprintf(
-            '%s from %d:%d to %d:%d', $this->getRawMessage(),
-            $this->getStartLine(), $this->getStartColumn($code),
-            $this->getEndLine(), $this->getEndColumn($code)
-        );
-    }
-
-    /**
-     * Converts a file offset into a column.
-     *
-     * @param string $code Source code that $pos indexes into
-     * @param int    $pos  0-based position in $code
-     *
-     * @return int 1-based column (relative to start of line)
-     */
-    private function toColumn(string $code, int $pos) : int {
-        if ($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();
-        }
-    }
+	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(string $message, $attributes = []) {
+		$this->rawMessage = $message;
+		if (is_array($attributes)) {
+			$this->attributes = $attributes;
+		} else {
+			$this->attributes = ['startLine' => $attributes];
+		}
+		$this->updateMessage();
+	}
+
+	/**
+	 * Gets the error message
+	 *
+	 * @return string Error message
+	 */
+	public function getRawMessage() : string {
+		return $this->rawMessage;
+	}
+
+	/**
+	 * Gets the line the error starts in.
+	 *
+	 * @return int Error start line
+	 */
+	public function getStartLine() : int {
+		return $this->attributes['startLine'] ?? -1;
+	}
+
+	/**
+	 * Gets the line the error ends in.
+	 *
+	 * @return int Error end line
+	 */
+	public function getEndLine() : int {
+		return $this->attributes['endLine'] ?? -1;
+	}
+
+	/**
+	 * Gets the attributes of the node/token the error occurred at.
+	 *
+	 * @return array
+	 */
+	public function getAttributes() : array {
+		return $this->attributes;
+	}
+
+	/**
+	 * Sets the attributes of the node/token the error occurred 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(string $message) {
+		$this->rawMessage = $message;
+		$this->updateMessage();
+	}
+
+	/**
+	 * Sets the line the error starts in.
+	 *
+	 * @param int $line Error start line
+	 */
+	public function setStartLine(int $line) {
+		$this->attributes['startLine'] = $line;
+		$this->updateMessage();
+	}
+
+	/**
+	 * Returns whether the error has start and end column information.
+	 *
+	 * For column information enable the startFilePos and endFilePos in the lexer options.
+	 *
+	 * @return bool
+	 */
+	public function hasColumnInfo() : bool {
+		return isset($this->attributes['startFilePos'], $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(string $code) : int {
+		if (!$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(string $code) : int {
+		if (!$this->hasColumnInfo()) {
+			throw new \RuntimeException('Error does not have column information');
+		}
+
+		return $this->toColumn($code, $this->attributes['endFilePos']);
+	}
+
+	/**
+	 * Formats message including line and column information.
+	 *
+	 * @param string $code Source code associated with the error, for calculation of the columns
+	 *
+	 * @return string Formatted message
+	 */
+	public function getMessageWithColumnInfo(string $code) : string {
+		return sprintf(
+			'%s from %d:%d to %d:%d', $this->getRawMessage(),
+			$this->getStartLine(), $this->getStartColumn($code),
+			$this->getEndLine(), $this->getEndColumn($code)
+		);
+	}
+
+	/**
+	 * Converts a file offset into a column.
+	 *
+	 * @param string $code Source code that $pos indexes into
+	 * @param int    $pos  0-based position in $code
+	 *
+	 * @return int 1-based column (relative to start of line)
+	 */
+	private function toColumn(string $code, int $pos) : int {
+		if ($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();
+		}
+	}
 }

Spacing +1 added lines, -1 removed lines

@@ -174,7 +174,7 @@
         if (-1 === $this->getStartLine()) {
             $this->message .= ' on unknown line';
         } else {
-            $this->message .= ' on line ' . $this->getStartLine();
+            $this->message .= ' on line '.$this->getStartLine();
         }
     }
 }