Drop PHP 7 support

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        php-versions: ['7.4', '8.0', '8.1', '8.2', '8.3', '8.4', '8.5', '8.6']
+        php-versions: ['8.0', '8.1', '8.2', '8.3', '8.4', '8.5', '8.6']
         os: [ubuntu-latest, windows-latest]
 
     steps:

README.md

@@ -4,8 +4,7 @@ XP Compiler
 [![Build status on GitHub](https://github.com/xp-framework/compiler/workflows/Tests/badge.svg)](https://github.com/xp-framework/compiler/actions)
 [![XP Framework Module](https://raw.githubusercontent.com/xp-framework/web/master/static/xp-framework-badge.png)](https://github.com/xp-framework/core)
 [![BSD Licence](https://raw.githubusercontent.com/xp-framework/web/master/static/licence-bsd.png)](https://github.com/xp-framework/core/blob/master/LICENCE.md)
-[![Requires PHP 7.4+](https://raw.githubusercontent.com/xp-framework/web/master/static/php-7_4plus.svg)](http://php.net/)
-[![Supports PHP 8.0+](https://raw.githubusercontent.com/xp-framework/web/master/static/php-8_0plus.svg)](http://php.net/)
+[![Requires PHP 8.0+](https://raw.githubusercontent.com/xp-framework/web/master/static/php-8_0plus.svg)](http://php.net/)
 [![Latest Stable Version](https://poser.pugx.org/xp-framework/compiler/version.svg)](https://packagist.org/packages/xp-framework/compiler)
 
 Compiles future PHP to today's PHP.
@@ -16,7 +15,7 @@ After adding the compiler to your project via `composer require xp-framework/com
 
 Example
 -------
-The following code uses Hack language, PHP 8.6, PHP 8.5, PHP 8.4, PHP 8.3, PHP 8.2, 8.1 and 8.0 features but runs on anything >= PHP 7.4. Builtin features from newer PHP versions are translated to work with the currently executing runtime if necessary.
+The following code uses Hack language, PHP 8.6, PHP 8.5, PHP 8.4, PHP 8.3, PHP 8.2, 8.1 and 8.0 features but runs on anything >= PHP 8.0. Builtin features from newer PHP versions are translated to work with the currently executing runtime if necessary.
 
 ```php
 <?php // In a file "HelloWorld.php"
@@ -62,11 +61,11 @@ $ xp compile -o dist.xar src/main/php/
 # Compile src/main/php, do not write output
 $ xp compile -n src/main/php/
 
-# Target PHP 7.4 (default target is current PHP version)
-$ xp compile -t php:7.4 HelloWorld.php HelloWorld.class.php
+# Target PHP 8.0 (default target is current PHP version)
+$ xp compile -t php:8.0 HelloWorld.php HelloWorld.class.php
 
 # Emit XP meta information (includes lang.ast.emit.php.XpMeta):
-$ xp compile -t php:7.4 -a php:xp-meta -o dist src/main/php
+$ xp compile -t php:8.0 -a php:xp-meta -o dist src/main/php
 ```
 
 The -o and -n options accept multiple input sources following them.
@@ -75,7 +74,7 @@ The -q option suppresses all diagnostic output except for errors.
 Features supported
 ------------------
 
-XP Compiler supports features such as annotations, arrow functions, enums, property type-hints, the null-safe instance operator as well as all PHP 7 and PHP 8 syntax additions. A complete list including examples can be found [in our Wiki](https://github.com/xp-framework/compiler/wiki).
+XP Compiler supports features such as annotations, arrow functions, enums, property type-hints, the null-safe instance operator as well as all PHP 8 syntax additions. A complete list including examples can be found [in our Wiki](https://github.com/xp-framework/compiler/wiki).
 
 ### More features
 
@@ -89,7 +88,6 @@ $ xp compile
 Usage: xp compile <in> [<out>]
 
 @FileSystemCL<./vendor/xp-framework/compiler/src/main/php>
-lang.ast.emit.PHP74
 lang.ast.emit.PHP80
 lang.ast.emit.PHP81
 lang.ast.emit.PHP82

composer.json

@@ -9,7 +9,7 @@
     "xp-framework/core": "^12.0 | ^11.6 | ^10.16",
     "xp-framework/reflection": "^3.2 | ^2.15",
     "xp-framework/ast": "^13.0 | ^12.2",
-    "php" : ">=7.4.0"
+    "php" : ">=8.0.0"
   },
   "require-dev" : {
     "xp-framework/test": "^2.0 | ^1.5"

src/main/php/lang/ast/emit/Declaration.class.php

@@ -6,15 +6,10 @@
 use lang\reflection\Modifiers;
 
 class Declaration extends Type {
-  private $type, $codegen;
 
   static function __static() { }
 
-  /** @param  lang.ast.nodes.TypeDeclaration $type */
-  public function __construct($type, $codegen) {
-    $this->type= $type;
-    $this->codegen= $codegen;
-  }
+  public function __construct(private $type, private $codegen) { }
 
   /** @return string */
   public function name() { return ltrim($this->type->name, '\\'); }

src/main/php/lang/ast/emit/Escaping.class.php

@@ -3,12 +3,8 @@
 use io\streams\OutputStream;
 
 class Escaping implements OutputStream {
-  private $target, $replacements;
 
-  public function __construct(OutputStream $target, array $replacements) {
-    $this->target= $target;
-    $this->replacements= $replacements;
-  }
+  public function __construct(private OutputStream $target, private array $replacements) { }
 
   public function write($bytes) {
     $this->target->write(strtr($bytes, $this->replacements));

src/main/php/lang/ast/emit/GeneratedCode.class.php

@@ -1,18 +1,15 @@
 <?php namespace lang\ast\emit;
 
 class GeneratedCode extends Result {
-  private $prolog, $epilog;
 
   /**
    * Starts a result stream, including an optional prolog and epilog
    *
-   * @param io.streams.OutputStream $out
-   * @param string $prolog
-   * @param string $epilog
+   * @param  io.streams.OutputStream $out
+   * @param  string $prolog
+   * @param  string $epilog
    */
-  public function __construct($out, $prolog= '', $epilog= '') {
-    $this->prolog= $prolog;
-    $this->epilog= $epilog;
+  public function __construct($out, private $prolog= '', private $epilog= '') {
     parent::__construct($out);
   }
 

src/main/php/lang/ast/emit/InType.class.php

@@ -1,13 +1,10 @@
 <?php namespace lang\ast\emit;
 
 class InType {
-  public $type;
   public $meta= [];
   public $init= [];
   public $statics= [];
   public $virtual= [];
 
-  public function __construct($type) {
-    $this->type= $type;
-  }
+  public function __construct(public $type) { }
 }

src/main/php/lang/ast/emit/Incomplete.class.php

@@ -1,10 +1,9 @@
 <?php namespace lang\ast\emit;
 
 class Incomplete extends Type {
-  private $name;
 
-  /** @param string $name */
-  public function __construct($name) { $this->name= $name; }
+  /** Creates a new incomplete type */
+  public function __construct(private string $name) { }
 
   /** @return string */
   public function name() { return $this->name; }