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<?php
declare (strict_types=1);
namespace PhpParser;
use PhpParser\Node\ComplexType;
use PhpParser\Node\Expr;
use PhpParser\Node\Identifier;
use PhpParser\Node\Name;
use PhpParser\Node\NullableType;
use PhpParser\Node\Scalar;
use PhpParser\Node\Stmt;
/**
* This class defines helpers used in the implementation of builders. Don't use it directly.
*
* @internal
*/
final class BuilderHelpers
{
/**
* Normalizes a node: Converts builder objects to nodes.
*
* @param Node|Builder $node The node to normalize
*
* @return Node The normalized node
*/
public static function normalizeNode($node) : \PhpParser\Node
{
if ($node instanceof \PhpParser\Builder) {
return $node->getNode();
}
if ($node instanceof \PhpParser\Node) {
return $node;
}
throw new \LogicException('Expected node or builder object');
}
/**
* Normalizes a node to a statement.
*
* Expressions are wrapped in a Stmt\Expression node.
*
* @param Node|Builder $node The node to normalize
*
* @return Stmt The normalized statement node
*/
public static function normalizeStmt($node) : Stmt
{
$node = self::normalizeNode($node);
if ($node instanceof Stmt) {
return $node;
}
if ($node instanceof Expr) {
return new Stmt\Expression($node);
}
throw new \LogicException('Expected statement or expression node');
}
/**
* Normalizes strings to Identifier.
*
* @param string|Identifier $name The identifier to normalize
*
* @return Identifier The normalized identifier
*/
public static function normalizeIdentifier($name) : Identifier
{
if ($name instanceof Identifier) {
return $name;
}
if (\is_string($name)) {
return new Identifier($name);
}
throw new \LogicException('RectorPrefix202308\\Expected string or instance of Node\\Identifier');
}
/**
* Normalizes strings to Identifier, also allowing expressions.
*
* @param string|Identifier|Expr $name The identifier to normalize
*
* @return Identifier|Expr The normalized identifier or expression
*/
public static function normalizeIdentifierOrExpr($name)
{
if ($name instanceof Identifier || $name instanceof Expr) {
return $name;
}
if (\is_string($name)) {
return new Identifier($name);
}
throw new \LogicException('RectorPrefix202308\\Expected string or instance of Node\\Identifier or Node\\Expr');
}
/**
* Normalizes a name: Converts string names to Name nodes.
*
* @param Name|string $name The name to normalize
*
* @return Name The normalized name
*/
public static function normalizeName($name) : Name
{
if ($name instanceof Name) {
return $name;
}
if (\is_string($name)) {
if (!$name) {
throw new \LogicException('Name cannot be empty');
}
if ($name[0] === '\\') {
return new Name\FullyQualified(\substr($name, 1));
}
if (0 === \strpos($name, 'namespace\\')) {
return new Name\Relative(\substr($name, \strlen('namespace\\')));
}
return new Name($name);
}
throw new \LogicException('RectorPrefix202308\\Name must be a string or an instance of Node\\Name');
}
/**
* Normalizes a name: Converts string names to Name nodes, while also allowing expressions.
*
* @param Expr|Name|string $name The name to normalize
*
* @return Name|Expr The normalized name or expression
*/
public static function normalizeNameOrExpr($name)
{
if ($name instanceof Expr) {
return $name;
}
if (!\is_string($name) && !$name instanceof Name) {
throw new \LogicException('RectorPrefix202308\\Name must be a string or an instance of Node\\Name or Node\\Expr');
}
return self::normalizeName($name);
}
/**
* Normalizes a type: Converts plain-text type names into proper AST representation.
*
* In particular, builtin types become Identifiers, custom types become Names and nullables
* are wrapped in NullableType nodes.
*
* @param string|Name|Identifier|ComplexType $type The type to normalize
*
* @return Name|Identifier|ComplexType The normalized type
*/
public static function normalizeType($type)
{
if (!\is_string($type)) {
if (!$type instanceof Name && !$type instanceof Identifier && !$type instanceof ComplexType) {
throw new \LogicException('Type must be a string, or an instance of Name, Identifier or ComplexType');
}
return $type;
}
$nullable = \false;
if (\strlen($type) > 0 && $type[0] === '?') {
$nullable = \true;
$type = \substr($type, 1);
}
$builtinTypes = ['array', 'callable', 'bool', 'int', 'float', 'string', 'iterable', 'void', 'object', 'null', 'false', 'mixed', 'never', 'true'];
$lowerType = \strtolower($type);
if (\in_array($lowerType, $builtinTypes)) {
$type = new Identifier($lowerType);
} else {
$type = self::normalizeName($type);
}
$notNullableTypes = ['void', 'mixed', 'never'];
if ($nullable && \in_array((string) $type, $notNullableTypes)) {
throw new \LogicException(\sprintf('%s type cannot be nullable', $type));
}
return $nullable ? new NullableType($type) : $type;
}
/**
* Normalizes a value: Converts nulls, booleans, integers,
* floats, strings and arrays into their respective nodes
*
* @param Node\Expr|bool|null|int|float|string|array $value The value to normalize
*
* @return Expr The normalized value
*/
public static function normalizeValue($value) : Expr
{
if ($value instanceof \PhpParser\Node\Expr) {
return $value;
}
if (\is_null($value)) {
return new Expr\ConstFetch(new Name('null'));
}
if (\is_bool($value)) {
return new Expr\ConstFetch(new Name($value ? 'true' : 'false'));
}
if (\is_int($value)) {
return new Scalar\LNumber($value);
}
if (\is_float($value)) {
return new Scalar\DNumber($value);
}
if (\is_string($value)) {
return new Scalar\String_($value);
}
if (\is_array($value)) {
$items = [];
$lastKey = -1;
foreach ($value as $itemKey => $itemValue) {
// for consecutive, numeric keys don't generate keys
if (null !== $lastKey && ++$lastKey === $itemKey) {
$items[] = new Expr\ArrayItem(self::normalizeValue($itemValue));
} else {
$lastKey = null;
$items[] = new Expr\ArrayItem(self::normalizeValue($itemValue), self::normalizeValue($itemKey));
}
}
return new Expr\Array_($items);
}
throw new \LogicException('Invalid value');
}
/**
* Normalizes a doc comment: Converts plain strings to PhpParser\Comment\Doc.
*
* @param Comment\Doc|string $docComment The doc comment to normalize
*
* @return Comment\Doc The normalized doc comment
*/
public static function normalizeDocComment($docComment) : \PhpParser\Comment\Doc
{
if ($docComment instanceof \PhpParser\Comment\Doc) {
return $docComment;
}
if (\is_string($docComment)) {
return new \PhpParser\Comment\Doc($docComment);
}
throw new \LogicException('RectorPrefix202308\\Doc comment must be a string or an instance of PhpParser\\Comment\\Doc');
}
/**
* Normalizes a attribute: Converts attribute to the Attribute Group if needed.
*
* @param Node\Attribute|Node\AttributeGroup $attribute
*
* @return Node\AttributeGroup The Attribute Group
*/
public static function normalizeAttribute($attribute) : \PhpParser\Node\AttributeGroup
{
if ($attribute instanceof \PhpParser\Node\AttributeGroup) {
return $attribute;
}
if (!$attribute instanceof \PhpParser\Node\Attribute) {
throw new \LogicException('RectorPrefix202308\\Attribute must be an instance of PhpParser\\Node\\Attribute or PhpParser\\Node\\AttributeGroup');
}
return new \PhpParser\Node\AttributeGroup([$attribute]);
}
/**
* Adds a modifier and returns new modifier bitmask.
*
* @param int $modifiers Existing modifiers
* @param int $modifier Modifier to set
*
* @return int New modifiers
*/
public static function addModifier(int $modifiers, int $modifier) : int
{
Stmt\Class_::verifyModifier($modifiers, $modifier);
return $modifiers | $modifier;
}
/**
* Adds a modifier and returns new modifier bitmask.
* @return int New modifiers
*/
public static function addClassModifier(int $existingModifiers, int $modifierToSet) : int
{
Stmt\Class_::verifyClassModifier($existingModifiers, $modifierToSet);
return $existingModifiers | $modifierToSet;
}
}