TimeTrex Community Edition v16.2.0

vendor/sebastian/code-unit/src/ClassMethodUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class ClassMethodUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true ClassMethodUnit $this
+     */
+    public function isClassMethod(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/ClassUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class ClassUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true ClassUnit $this
+     */
+    public function isClass(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/CodeUnit.php

@@ -0,0 +1,445 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use function range;
+use function sprintf;
+use ReflectionClass;
+use ReflectionFunction;
+use ReflectionMethod;
+
+/**
+ * @psalm-immutable
+ */
+abstract class CodeUnit
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var string
+     */
+    private $sourceFileName;
+
+    /**
+     * @var array
+     * @psalm-var list<int>
+     */
+    private $sourceLines;
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forClass(string $className): ClassUnit
+    {
+        self::ensureUserDefinedClass($className);
+
+        $reflector = self::reflectorForClass($className);
+
+        return new ClassUnit(
+            $className,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forClassMethod(string $className, string $methodName): ClassMethodUnit
+    {
+        self::ensureUserDefinedClass($className);
+
+        $reflector = self::reflectorForClassMethod($className, $methodName);
+
+        return new ClassMethodUnit(
+            $className . '::' . $methodName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $interfaceName
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forInterface(string $interfaceName): InterfaceUnit
+    {
+        self::ensureUserDefinedInterface($interfaceName);
+
+        $reflector = self::reflectorForClass($interfaceName);
+
+        return new InterfaceUnit(
+            $interfaceName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $interfaceName
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forInterfaceMethod(string $interfaceName, string $methodName): InterfaceMethodUnit
+    {
+        self::ensureUserDefinedInterface($interfaceName);
+
+        $reflector = self::reflectorForClassMethod($interfaceName, $methodName);
+
+        return new InterfaceMethodUnit(
+            $interfaceName . '::' . $methodName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $traitName
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forTrait(string $traitName): TraitUnit
+    {
+        self::ensureUserDefinedTrait($traitName);
+
+        $reflector = self::reflectorForClass($traitName);
+
+        return new TraitUnit(
+            $traitName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $traitName
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forTraitMethod(string $traitName, string $methodName): TraitMethodUnit
+    {
+        self::ensureUserDefinedTrait($traitName);
+
+        $reflector = self::reflectorForClassMethod($traitName, $methodName);
+
+        return new TraitMethodUnit(
+            $traitName . '::' . $methodName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param callable-string $functionName
+     *
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public static function forFunction(string $functionName): FunctionUnit
+    {
+        $reflector = self::reflectorForFunction($functionName);
+
+        if (!$reflector->isUserDefined()) {
+            throw new InvalidCodeUnitException(
+                sprintf(
+                    '"%s" is not a user-defined function',
+                    $functionName
+                )
+            );
+        }
+
+        return new FunctionUnit(
+            $functionName,
+            $reflector->getFileName(),
+            range(
+                $reflector->getStartLine(),
+                $reflector->getEndLine()
+            )
+        );
+    }
+
+    /**
+     * @psalm-param list<int> $sourceLines
+     */
+    private function __construct(string $name, string $sourceFileName, array $sourceLines)
+    {
+        $this->name           = $name;
+        $this->sourceFileName = $sourceFileName;
+        $this->sourceLines    = $sourceLines;
+    }
+
+    public function name(): string
+    {
+        return $this->name;
+    }
+
+    public function sourceFileName(): string
+    {
+        return $this->sourceFileName;
+    }
+
+    /**
+     * @psalm-return list<int>
+     */
+    public function sourceLines(): array
+    {
+        return $this->sourceLines;
+    }
+
+    public function isClass(): bool
+    {
+        return false;
+    }
+
+    public function isClassMethod(): bool
+    {
+        return false;
+    }
+
+    public function isInterface(): bool
+    {
+        return false;
+    }
+
+    public function isInterfaceMethod(): bool
+    {
+        return false;
+    }
+
+    public function isTrait(): bool
+    {
+        return false;
+    }
+
+    public function isTraitMethod(): bool
+    {
+        return false;
+    }
+
+    public function isFunction(): bool
+    {
+        return false;
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws InvalidCodeUnitException
+     */
+    private static function ensureUserDefinedClass(string $className): void
+    {
+        try {
+            $reflector = new ReflectionClass($className);
+
+            if ($reflector->isInterface()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is an interface and not a class',
+                        $className
+                    )
+                );
+            }
+
+            if ($reflector->isTrait()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is a trait and not a class',
+                        $className
+                    )
+                );
+            }
+
+            if (!$reflector->isUserDefined()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is not a user-defined class',
+                        $className
+                    )
+                );
+            }
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param class-string $interfaceName
+     *
+     * @throws InvalidCodeUnitException
+     */
+    private static function ensureUserDefinedInterface(string $interfaceName): void
+    {
+        try {
+            $reflector = new ReflectionClass($interfaceName);
+
+            if (!$reflector->isInterface()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is not an interface',
+                        $interfaceName
+                    )
+                );
+            }
+
+            if (!$reflector->isUserDefined()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is not a user-defined interface',
+                        $interfaceName
+                    )
+                );
+            }
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param class-string $traitName
+     *
+     * @throws InvalidCodeUnitException
+     */
+    private static function ensureUserDefinedTrait(string $traitName): void
+    {
+        try {
+            $reflector = new ReflectionClass($traitName);
+
+            if (!$reflector->isTrait()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is not a trait',
+                        $traitName
+                    )
+                );
+            }
+
+            // @codeCoverageIgnoreStart
+            if (!$reflector->isUserDefined()) {
+                throw new InvalidCodeUnitException(
+                    sprintf(
+                        '"%s" is not a user-defined trait',
+                        $traitName
+                    )
+                );
+            }
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private static function reflectorForClass(string $className): ReflectionClass
+    {
+        try {
+            return new ReflectionClass($className);
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private static function reflectorForClassMethod(string $className, string $methodName): ReflectionMethod
+    {
+        try {
+            return new ReflectionMethod($className, $methodName);
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @psalm-param callable-string $functionName
+     *
+     * @throws ReflectionException
+     */
+    private static function reflectorForFunction(string $functionName): ReflectionFunction
+    {
+        try {
+            return new ReflectionFunction($functionName);
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+}

vendor/sebastian/code-unit/src/CodeUnitCollection.php

@@ -0,0 +1,84 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use function array_merge;
+use function count;
+use Countable;
+use IteratorAggregate;
+
+final class CodeUnitCollection implements Countable, IteratorAggregate
+{
+    /**
+     * @psalm-var list<CodeUnit>
+     */
+    private $codeUnits = [];
+
+    /**
+     * @psalm-param list<CodeUnit> $items
+     */
+    public static function fromArray(array $items): self
+    {
+        $collection = new self;
+
+        foreach ($items as $item) {
+            $collection->add($item);
+        }
+
+        return $collection;
+    }
+
+    public static function fromList(CodeUnit ...$items): self
+    {
+        return self::fromArray($items);
+    }
+
+    private function __construct()
+    {
+    }
+
+    /**
+     * @psalm-return list<CodeUnit>
+     */
+    public function asArray(): array
+    {
+        return $this->codeUnits;
+    }
+
+    public function getIterator(): CodeUnitCollectionIterator
+    {
+        return new CodeUnitCollectionIterator($this);
+    }
+
+    public function count(): int
+    {
+        return count($this->codeUnits);
+    }
+
+    public function isEmpty(): bool
+    {
+        return empty($this->codeUnits);
+    }
+
+    public function mergeWith(self $other): self
+    {
+        return self::fromArray(
+            array_merge(
+                $this->asArray(),
+                $other->asArray()
+            )
+        );
+    }
+
+    private function add(CodeUnit $item): void
+    {
+        $this->codeUnits[] = $item;
+    }
+}

vendor/sebastian/code-unit/src/CodeUnitCollectionIterator.php

@@ -0,0 +1,55 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use Iterator;
+
+final class CodeUnitCollectionIterator implements Iterator
+{
+    /**
+     * @psalm-var list<CodeUnit>
+     */
+    private $codeUnits;
+
+    /**
+     * @var int
+     */
+    private $position = 0;
+
+    public function __construct(CodeUnitCollection $collection)
+    {
+        $this->codeUnits = $collection->asArray();
+    }
+
+    public function rewind(): void
+    {
+        $this->position = 0;
+    }
+
+    public function valid(): bool
+    {
+        return isset($this->codeUnits[$this->position]);
+    }
+
+    public function key(): int
+    {
+        return $this->position;
+    }
+
+    public function current(): CodeUnit
+    {
+        return $this->codeUnits[$this->position];
+    }
+
+    public function next(): void
+    {
+        $this->position++;
+    }
+}

vendor/sebastian/code-unit/src/FunctionUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class FunctionUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true FunctionUnit $this
+     */
+    public function isFunction(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/InterfaceMethodUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class InterfaceMethodUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true InterfaceMethod $this
+     */
+    public function isInterfaceMethod(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/InterfaceUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class InterfaceUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true InterfaceUnit $this
+     */
+    public function isInterface(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/Mapper.php

@@ -0,0 +1,414 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use function array_keys;
+use function array_merge;
+use function array_unique;
+use function array_values;
+use function class_exists;
+use function explode;
+use function function_exists;
+use function interface_exists;
+use function ksort;
+use function method_exists;
+use function sort;
+use function sprintf;
+use function str_replace;
+use function strpos;
+use function trait_exists;
+use ReflectionClass;
+use ReflectionFunction;
+use ReflectionMethod;
+
+final class Mapper
+{
+    /**
+     * @psalm-return array<string,list<int>>
+     */
+    public function codeUnitsToSourceLines(CodeUnitCollection $codeUnits): array
+    {
+        $result = [];
+
+        foreach ($codeUnits as $codeUnit) {
+            $sourceFileName = $codeUnit->sourceFileName();
+
+            if (!isset($result[$sourceFileName])) {
+                $result[$sourceFileName] = [];
+            }
+
+            $result[$sourceFileName] = array_merge($result[$sourceFileName], $codeUnit->sourceLines());
+        }
+
+        foreach (array_keys($result) as $sourceFileName) {
+            $result[$sourceFileName] = array_values(array_unique($result[$sourceFileName]));
+
+            sort($result[$sourceFileName]);
+        }
+
+        ksort($result);
+
+        return $result;
+    }
+
+    /**
+     * @throws InvalidCodeUnitException
+     * @throws ReflectionException
+     */
+    public function stringToCodeUnits(string $unit): CodeUnitCollection
+    {
+        if (strpos($unit, '::') !== false) {
+            [$firstPart, $secondPart] = explode('::', $unit);
+
+            if (empty($firstPart) && $this->isUserDefinedFunction($secondPart)) {
+                return CodeUnitCollection::fromList(CodeUnit::forFunction($secondPart));
+            }
+
+            if ($this->isUserDefinedClass($firstPart)) {
+                if ($secondPart === '<public>') {
+                    return $this->publicMethodsOfClass($firstPart);
+                }
+
+                if ($secondPart === '<!public>') {
+                    return $this->protectedAndPrivateMethodsOfClass($firstPart);
+                }
+
+                if ($secondPart === '<protected>') {
+                    return $this->protectedMethodsOfClass($firstPart);
+                }
+
+                if ($secondPart === '<!protected>') {
+                    return $this->publicAndPrivateMethodsOfClass($firstPart);
+                }
+
+                if ($secondPart === '<private>') {
+                    return $this->privateMethodsOfClass($firstPart);
+                }
+
+                if ($secondPart === '<!private>') {
+                    return $this->publicAndProtectedMethodsOfClass($firstPart);
+                }
+
+                if ($this->isUserDefinedMethod($firstPart, $secondPart)) {
+                    return CodeUnitCollection::fromList(CodeUnit::forClassMethod($firstPart, $secondPart));
+                }
+            }
+
+            if ($this->isUserDefinedInterface($firstPart)) {
+                return CodeUnitCollection::fromList(CodeUnit::forInterfaceMethod($firstPart, $secondPart));
+            }
+
+            if ($this->isUserDefinedTrait($firstPart)) {
+                return CodeUnitCollection::fromList(CodeUnit::forTraitMethod($firstPart, $secondPart));
+            }
+        } else {
+            if ($this->isUserDefinedClass($unit)) {
+                $units = [CodeUnit::forClass($unit)];
+
+                foreach ($this->reflectorForClass($unit)->getTraits() as $trait) {
+                    if (!$trait->isUserDefined()) {
+                        // @codeCoverageIgnoreStart
+                        continue;
+                        // @codeCoverageIgnoreEnd
+                    }
+
+                    $units[] = CodeUnit::forTrait($trait->getName());
+                }
+
+                return CodeUnitCollection::fromArray($units);
+            }
+
+            if ($this->isUserDefinedInterface($unit)) {
+                return CodeUnitCollection::fromList(CodeUnit::forInterface($unit));
+            }
+
+            if ($this->isUserDefinedTrait($unit)) {
+                return CodeUnitCollection::fromList(CodeUnit::forTrait($unit));
+            }
+
+            if ($this->isUserDefinedFunction($unit)) {
+                return CodeUnitCollection::fromList(CodeUnit::forFunction($unit));
+            }
+
+            $unit = str_replace('<extended>', '', $unit);
+
+            if ($this->isUserDefinedClass($unit)) {
+                return $this->classAndParentClassesAndTraits($unit);
+            }
+        }
+
+        throw new InvalidCodeUnitException(
+            sprintf(
+                '"%s" is not a valid code unit',
+                $unit
+            )
+        );
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function publicMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function publicAndProtectedMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PROTECTED);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function publicAndPrivateMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PUBLIC | ReflectionMethod::IS_PRIVATE);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function protectedMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PROTECTED);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function protectedAndPrivateMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PROTECTED | ReflectionMethod::IS_PRIVATE);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function privateMethodsOfClass(string $className): CodeUnitCollection
+    {
+        return $this->methodsOfClass($className, ReflectionMethod::IS_PRIVATE);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function methodsOfClass(string $className, int $filter): CodeUnitCollection
+    {
+        $units = [];
+
+        foreach ($this->reflectorForClass($className)->getMethods($filter) as $method) {
+            if (!$method->isUserDefined()) {
+                continue;
+            }
+
+            $units[] = CodeUnit::forClassMethod($className, $method->getName());
+        }
+
+        return CodeUnitCollection::fromArray($units);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function classAndParentClassesAndTraits(string $className): CodeUnitCollection
+    {
+        $units = [CodeUnit::forClass($className)];
+
+        $reflector = $this->reflectorForClass($className);
+
+        foreach ($this->reflectorForClass($className)->getTraits() as $trait) {
+            if (!$trait->isUserDefined()) {
+                // @codeCoverageIgnoreStart
+                continue;
+                // @codeCoverageIgnoreEnd
+            }
+
+            $units[] = CodeUnit::forTrait($trait->getName());
+        }
+
+        while ($reflector = $reflector->getParentClass()) {
+            if (!$reflector->isUserDefined()) {
+                break;
+            }
+
+            $units[] = CodeUnit::forClass($reflector->getName());
+
+            foreach ($reflector->getTraits() as $trait) {
+                if (!$trait->isUserDefined()) {
+                    // @codeCoverageIgnoreStart
+                    continue;
+                    // @codeCoverageIgnoreEnd
+                }
+
+                $units[] = CodeUnit::forTrait($trait->getName());
+            }
+        }
+
+        return CodeUnitCollection::fromArray($units);
+    }
+
+    /**
+     * @psalm-param class-string $className
+     *
+     * @throws ReflectionException
+     */
+    private function reflectorForClass(string $className): ReflectionClass
+    {
+        try {
+            return new ReflectionClass($className);
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function isUserDefinedFunction(string $functionName): bool
+    {
+        if (!function_exists($functionName)) {
+            return false;
+        }
+
+        try {
+            return (new ReflectionFunction($functionName))->isUserDefined();
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function isUserDefinedClass(string $className): bool
+    {
+        if (!class_exists($className)) {
+            return false;
+        }
+
+        try {
+            return (new ReflectionClass($className))->isUserDefined();
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function isUserDefinedInterface(string $interfaceName): bool
+    {
+        if (!interface_exists($interfaceName)) {
+            return false;
+        }
+
+        try {
+            return (new ReflectionClass($interfaceName))->isUserDefined();
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function isUserDefinedTrait(string $traitName): bool
+    {
+        if (!trait_exists($traitName)) {
+            return false;
+        }
+
+        try {
+            return (new ReflectionClass($traitName))->isUserDefined();
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+
+    /**
+     * @throws ReflectionException
+     */
+    private function isUserDefinedMethod(string $className, string $methodName): bool
+    {
+        if (!class_exists($className)) {
+            // @codeCoverageIgnoreStart
+            return false;
+            // @codeCoverageIgnoreEnd
+        }
+
+        if (!method_exists($className, $methodName)) {
+            // @codeCoverageIgnoreStart
+            return false;
+            // @codeCoverageIgnoreEnd
+        }
+
+        try {
+            return (new ReflectionMethod($className, $methodName))->isUserDefined();
+            // @codeCoverageIgnoreStart
+        } catch (\ReflectionException $e) {
+            throw new ReflectionException(
+                $e->getMessage(),
+                (int) $e->getCode(),
+                $e
+            );
+        }
+        // @codeCoverageIgnoreEnd
+    }
+}

vendor/sebastian/code-unit/src/TraitMethodUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class TraitMethodUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true TraitMethodUnit $this
+     */
+    public function isTraitMethod(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/TraitUnit.php

@@ -0,0 +1,24 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+/**
+ * @psalm-immutable
+ */
+final class TraitUnit extends CodeUnit
+{
+    /**
+     * @psalm-assert-if-true TraitUnit $this
+     */
+    public function isTrait(): bool
+    {
+        return true;
+    }
+}

vendor/sebastian/code-unit/src/exceptions/Exception.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use Throwable;
+
+interface Exception extends Throwable
+{
+}

vendor/sebastian/code-unit/src/exceptions/InvalidCodeUnitException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use RuntimeException;
+
+final class InvalidCodeUnitException extends RuntimeException implements Exception
+{
+}

vendor/sebastian/code-unit/src/exceptions/NoTraitException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use RuntimeException;
+
+final class NoTraitException extends RuntimeException implements Exception
+{
+}

vendor/sebastian/code-unit/src/exceptions/ReflectionException.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/code-unit.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\CodeUnit;
+
+use RuntimeException;
+
+final class ReflectionException extends RuntimeException implements Exception
+{
+}