Rename reflection converter package to reader

Author: Kirill Nesmeyanov

README.md

@@ -5,13 +5,13 @@
 ---
 
 <p align="center">
-    <a href="https://packagist.org/packages/type-lang/reflection-converter"><img src="https://poser.pugx.org/type-lang/reflection-converter/require/php?style=for-the-badge" alt="PHP 8.1+"></a>
-    <a href="https://packagist.org/packages/type-lang/reflection-converter"><img src="https://poser.pugx.org/type-lang/reflection-converter/version?style=for-the-badge" alt="Latest Stable Version"></a>
-    <a href="https://packagist.org/packages/type-lang/reflection-converter"><img src="https://poser.pugx.org/type-lang/reflection-converter/v/unstable?style=for-the-badge" alt="Latest Unstable Version"></a>
-    <a href="https://raw.githubusercontent.com/php-type-language/reflection-converter/blob/master/LICENSE"><img src="https://poser.pugx.org/type-lang/reflection-converter/license?style=for-the-badge" alt="License MIT"></a>
+    <a href="https://packagist.org/packages/type-lang/reader"><img src="https://poser.pugx.org/type-lang/reader/require/php?style=for-the-badge" alt="PHP 8.1+"></a>
+    <a href="https://packagist.org/packages/type-lang/reader"><img src="https://poser.pugx.org/type-lang/reader/version?style=for-the-badge" alt="Latest Stable Version"></a>
+    <a href="https://packagist.org/packages/type-lang/reader"><img src="https://poser.pugx.org/type-lang/reader/v/unstable?style=for-the-badge" alt="Latest Unstable Version"></a>
+    <a href="https://raw.githubusercontent.com/php-type-language/reader/blob/master/LICENSE"><img src="https://poser.pugx.org/type-lang/reader/license?style=for-the-badge" alt="License MIT"></a>
 </p>
 <p align="center">
-    <a href="https://github.com/php-type-language/reflection-converter/actions"><img src="https://github.com/php-type-language/reflection-converter/workflows/tests/badge.svg"></a>
+    <a href="https://github.com/php-type-language/reader/actions"><img src="https://github.com/php-type-language/reader/workflows/tests/badge.svg"></a>
 </p>
 
 Provides a set of methods for converting PHP reflection objects into the 
@@ -25,18 +25,17 @@ Type Language Reflection Converter is available as Composer repository and can
 be installed using the following command in a root of your project:
 
 ```sh
-$ composer require type-lang/reflection-converter
+$ composer require type-lang/reader
 ```
 
 ## Quick Start
 
 ```php
-// Type contains ReflectionNamedType{ name: "void" }
-$function = new \ReflectionFunction(function(): void {});
-$type = $function->getReturnType();
+$reader = new \TypeLang\Reader\ReflectionReader();
 
-$converter = new \TypeLang\ReflectionConverter\Converter();
-$node = $converter->convert($type);
+$node = $reader->findFunctionType(
+    function: new \ReflectionFunction(function(): void {}),
+);
 
 var_dump($node);
 ```
@@ -59,42 +58,42 @@ TypeLang\Parser\Node\Stmt\NamedTypeNode {
 }
 ```
 
-### Creating From Reflection 
+### Creating From Reflection
 
 ```php
 $class = new \ReflectionClass(Path\To\Example::class);
 
 // Printer component provided by "type-lang/printer" package.
 $printer = new \TypeLang\Printer\PrettyPrinter();
 
-$converter = new \TypeLang\ReflectionConverter\Converter();
+$converter = new \TypeLang\Reader\ReflectionReader();
 
 // Dump all constants with its types.
 foreach ($class->getReflectionConstants() as $constant) {
     // Creates type node AST from a constant's type.
-    if ($type = $converter->convertConstantType($constant)) {
+    if ($type = $converter->findConstantType($constant)) {
         echo 'const ' . $constant->name . ' has type ' . $printer->print($type) . "\n";
     }
 }
 
 // Dump all properties with its types.
 foreach ($class->getProperties() as $property) {
     // Creates type node AST from a property's type.
-    if ($type = $converter->convertPropertyType($property)) {
+    if ($type = $converter->findPropertyType($property)) {
         echo 'property ' . $property->name . ' has type ' . $printer->print($type) . "\n";
     }
 }
 
 // Dump all methods with its types.
 foreach ($class->getMethods() as $method) {
     // Creates type node AST from any function's return type.
-    if ($type = $converter->convertFunctionType($method)) {
+    if ($type = $converter->findFunctionType($method)) {
         echo 'function ' . $method->name . ' has type ' . $printer->print($type) . "\n";
     }
 
     // Creates type node AST from a parameter's type.
     foreach ($method->getParameters() as $parameter) {
-        if ($type = $converter->convertParameterType($parameter)) {
+        if ($type = $converter->findParameterType($parameter)) {
             echo 'parameter ' . $parameter->name . ' has type ' . $printer->print($type) . "\n";
         }
     }

composer.json

@@ -1,20 +1,20 @@
 {
-    "name": "type-lang/reflection-converter",
+    "name": "type-lang/reader",
     "type": "library",
     "description": "PHP Type Language reflection converter",
     "keywords": ["converter", "language", "php", "parser", "reflection"],
     "license": "MIT",
     "support": {
-        "source": "https://github.com/php-type-language/reflection-converter",
-        "issues": "https://github.com/php-type-language/reflection-converter/issues"
+        "source": "https://github.com/php-type-language/reader",
+        "issues": "https://github.com/php-type-language/reader/issues"
     },
     "require": {
         "php": "^8.1",
         "type-lang/parser": "^1.0"
     },
     "autoload": {
         "psr-4": {
-            "TypeLang\\ReflectionConverter\\": "src"
+            "TypeLang\\Reader\\": "src"
         }
     },
     "require-dev": {
@@ -27,7 +27,7 @@
     },
     "autoload-dev": {
         "psr-4": {
-            "TypeLang\\ReflectionConverter\\Tests\\": "tests"
+            "TypeLang\\Reader\\Tests\\": "tests"
         }
     },
     "extra": {

src/ConverterInterface.php

@@ -2,12 +2,12 @@
 
 declare(strict_types=1);
 
-namespace TypeLang\ReflectionConverter\Exception;
+namespace TypeLang\Reader\Exception;
 
 /**
  * @psalm-consistent-constructor
  */
-class ConverterException extends \LogicException implements ConverterExceptionInterface
+class ReaderException extends \LogicException implements ReaderExceptionInterface
 {
     final public const ERROR_CODE_INTERNAL_ERROR = 0x01;
 
@@ -20,7 +20,7 @@ public function __construct(string $message, int $code = 0, ?\Throwable $previou
 
     public static function fromInternalError(\Throwable $e): static
     {
-        $message = 'An internal error occurred while converting reflection type';
+        $message = 'An internal error occurred while reading reflection type';
 
         return new static($message, self::ERROR_CODE_INTERNAL_ERROR, $e);
     }

src/Exception/ConverterExceptionInterface.php

@@ -0,0 +1,7 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TypeLang\Reader\Exception;
+
+interface ReaderExceptionInterface extends \Throwable {}

src/Exception/ConverterException.php renamed to src/Exception/ReaderException.php

@@ -2,18 +2,66 @@
 
 declare(strict_types=1);
 
-namespace TypeLang\ReflectionConverter\Exception;
+namespace TypeLang\Reader\Exception;
 
-class UnrecognizedReflectionTypeException extends ConverterException
+class UnrecognizedReflectionTypeException extends ReaderException
 {
-    final public const ERROR_CODE_UNSUPPORTED_REFLECTION_TYPE = 0x01 + parent::CODE_LAST;
+    final public const ERROR_CODE_INVALID_TYPE = 0x01 + parent::CODE_LAST;
 
-    protected const CODE_LAST = self::ERROR_CODE_UNSUPPORTED_REFLECTION_TYPE;
+    final public const ERROR_CODE_INVALID_TYPE_FROM_CONST = 0x02 + parent::CODE_LAST;
+
+    final public const ERROR_CODE_INVALID_TYPE_FROM_PROPERTY = 0x03 + parent::CODE_LAST;
+
+    final public const ERROR_CODE_INVALID_TYPE_FROM_FUNCTION = 0x04 + parent::CODE_LAST;
+
+    final public const ERROR_CODE_INVALID_TYPE_FROM_PARAMETER = 0x05 + parent::CODE_LAST;
+
+    protected const CODE_LAST = self::ERROR_CODE_INVALID_TYPE_FROM_PARAMETER;
 
     public static function fromReflectionType(\ReflectionType $type): static
     {
         $message = \sprintf('Unsupported reflection type: %s', $type::class);
 
-        return new static($message, self::ERROR_CODE_UNSUPPORTED_REFLECTION_TYPE);
+        return new static($message, self::ERROR_CODE_INVALID_TYPE);
+    }
+
+    public static function fromReflectionConstant(\ReflectionType $type, \ReflectionClassConstant $const): static
+    {
+        $message = \vsprintf('Unsupported reflection type defined in %s const: %s', [
+            $const->getName(),
+            $type::class,
+        ]);
+
+        return new static($message, self::ERROR_CODE_INVALID_TYPE_FROM_CONST);
+    }
+
+    public static function fromReflectionProperty(\ReflectionType $type, \ReflectionProperty $property): static
+    {
+        $message = \vsprintf('Unsupported reflection type defined in $%s property: %s', [
+            $property->getName(),
+            $type::class,
+        ]);
+
+        return new static($message, self::ERROR_CODE_INVALID_TYPE_FROM_PROPERTY);
+    }
+
+    public static function fromReflectionFunction(\ReflectionType $type, \ReflectionFunctionAbstract $function): static
+    {
+        $message = \vsprintf('Unsupported reflection type defined in %s function: %s', [
+            $function->getName(),
+            $type::class,
+        ]);
+
+        return new static($message, self::ERROR_CODE_INVALID_TYPE_FROM_FUNCTION);
+    }
+
+    public static function fromReflectionParameter(\ReflectionType $type, \ReflectionParameter $parameter): static
+    {
+        $message = \vsprintf('Unsupported reflection type defined in $%s parameter: %s', [
+            $parameter->getName(),
+            $type::class,
+        ]);
+
+        return new static($message, self::ERROR_CODE_INVALID_TYPE_FROM_PARAMETER);
     }
 }

src/Exception/ReaderExceptionInterface.php

@@ -0,0 +1,39 @@
+<?php
+
+declare(strict_types=1);
+
+namespace TypeLang\Reader;
+
+use TypeLang\Parser\Node\Stmt\TypeStatement;
+use TypeLang\Reader\Exception\ReaderExceptionInterface;
+
+interface ReaderInterface
+{
+    /**
+     * Returns a type AST structure based on an {@see ReflectionProperty} object.
+     *
+     * @throws ReaderExceptionInterface In case of any reading error occurs.
+     */
+    public function findPropertyType(\ReflectionProperty $property): ?TypeStatement;
+
+    /**
+     * Returns a type AST structure based on an {@see ReflectionFunctionAbstract} object.
+     *
+     * @throws ReaderExceptionInterface In case of any reading error occurs.
+     */
+    public function findFunctionType(\ReflectionFunctionAbstract $function): ?TypeStatement;
+
+    /**
+     * Returns a type AST structure based on an {@see ReflectionParameter} object.
+     *
+     * @throws ReaderExceptionInterface In case of any reading error occurs.
+     */
+    public function findParameterType(\ReflectionParameter $parameter): ?TypeStatement;
+
+    /**
+     * Returns a type AST structure based on an {@see ReflectionClassConstant} object.
+     *
+     * @throws ReaderExceptionInterface In case of any reading error occurs.
+     */
+    public function findConstantType(\ReflectionClassConstant $constant): ?TypeStatement;
+}