Remove CSS/JS support (HUGE PR, reviews welcome!)

.cspell.json

@@ -3,8 +3,8 @@
     "dictionaries": ["php"],
     "allowCompoundWords": true,
     "ignorePaths": [
-        "src/Standards/*/Tests/*/*.{inc,js,css}",
-        "src/Standards/*/Tests/*/*.{inc,js,css}.fixed"
+        "src/Standards/*/Tests/*/*.inc",
+        "src/Standards/*/Tests/*/*.inc.fixed"
     ],
     "ignoreRegExpList": ["email", "^\\s+\\*\\s+@(author|copyright)\\s+.*$"],
     "words": [
@@ -28,9 +28,7 @@
         "dnumber",
         "docblock",
         "encapsed",
-        "gjslint",
         "groupid",
-        "gsjlint",
         "hashbang",
         "heredoc",
         "hgblame",

.github/CONTRIBUTING.md

@@ -265,8 +265,6 @@ To help you with this, a number of convenience scripts are available:
     which will be placed in a `build/coverage-html` subdirectory.
 * `composer build` will build the phpcs.phar and phpcbf.phar files.
 
-N.B.: You can ignore any skipped tests as these are for external tools.
-
 
 ### Writing Tests
 

.github/workflows/quicktest.yml

@@ -20,7 +20,7 @@ concurrency:
 jobs:
   #### QUICK TEST ####
   # This is a much quicker test run which only runs the unit tests against the low/medium/high
-  # supported PHP versions and skips the PHAR test and the tests for external JS/CSS tooling.
+  # supported PHP versions and skips the PHAR test.
   # These are basically the same builds as in the Test->Coverage workflow, but then without doing
   # the code-coverage.
   quicktest:

.github/workflows/test.yml

@@ -189,21 +189,6 @@ jobs:
       - name: "DEBUG: show libxml loaded version (php)"
         run: php -r 'echo "libxml loaded version = ", LIBXML_LOADED_VERSION, PHP_EOL;'
 
-      # This action also handles the caching of the dependencies.
-      - name: Set up node
-        if: ${{ matrix.custom_ini == false }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-
-      - name: Install external tools used in tests
-        if: ${{ matrix.custom_ini == false }}
-        run: >
-          npm install -g --fund false
-          csslint
-          eslint
-          jshint
-
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies
@@ -291,21 +276,6 @@ jobs:
           ini-values: error_reporting=-1, display_errors=On${{ steps.set_ini.outputs.PHP_INI }}
           coverage: xdebug
 
-      # This action also handles the caching of the dependencies.
-      - name: Set up node
-        if: ${{ matrix.custom_ini == false }}
-        uses: actions/setup-node@v4
-        with:
-          node-version: '20'
-
-      - name: Install external tools used in tests
-        if: ${{ matrix.custom_ini == false }}
-        run: >
-          npm install -g --fund false
-          csslint
-          eslint
-          jshint
-
       # Install dependencies and handle caching in one go.
       # @link https://github.com/marketplace/actions/install-php-dependencies-with-composer
       - name: Install Composer dependencies

README.md

@@ -20,7 +20,7 @@
 
 ## About
 
-PHP_CodeSniffer is a set of two PHP scripts; the main `phpcs` script that tokenizes PHP, JavaScript and CSS files to detect violations of a defined coding standard, and a second `phpcbf` script to automatically correct coding standard violations. PHP_CodeSniffer is an essential development tool that ensures your code remains clean and consistent.
+PHP_CodeSniffer is a set of two PHP scripts; the main `phpcs` script that tokenizes PHP files to detect violations of a defined coding standard, and a second `phpcbf` script to automatically correct coding standard violations. PHP_CodeSniffer is an essential development tool that ensures your code remains clean and consistent.
 
 
 ## Requirements

composer.json

@@ -1,6 +1,6 @@
 {
     "name": "squizlabs/php_codesniffer",
-    "description": "PHP_CodeSniffer tokenizes PHP, JavaScript and CSS files and detects violations of a defined set of coding standards.",
+    "description": "PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.",
     "license": "BSD-3-Clause",
     "type": "library",
     "keywords": [

phpcs.xml.dist

@@ -9,8 +9,8 @@
     <file>src</file>
     <file>tests</file>
 
-    <exclude-pattern>*/src/Standards/*/Tests/*\.(inc|css|js)$</exclude-pattern>
-    <exclude-pattern>*/tests/Core/*/*\.(inc|css|js)$</exclude-pattern>
+    <exclude-pattern>*/src/Standards/*/Tests/*\.inc$</exclude-pattern>
+    <exclude-pattern>*/tests/Core/*/*\.inc$</exclude-pattern>
     <exclude-pattern>*/tests/Core/*/Fixtures/*\.php$</exclude-pattern>
 
     <arg name="basepath" value="."/>

src/Config.php

@@ -64,8 +64,11 @@
  * @property string     $stdinPath       The path to use for content passed on STDIN.
  * @property bool       $trackTime       Whether or not to track sniff run time.
  *
- * @property array<string, string>      $extensions File extensions that should be checked, and what tokenizer to use.
+ * @property array<string, string>      $extensions File extensions that should be checked, and what tokenizer is used.
  *                                                  E.g., array('inc' => 'PHP');
+ *                                                  Note: since PHPCS 4.0.0, the tokenizer used will always be 'PHP',
+ *                                                  but the array format of the property has not been changed to prevent
+ *                                                  breaking integrations which may be accessing this property.
  * @property array<string, string|null> $reports    The reports to use for printing output after the run.
  *                                                  The format of the array is:
  *                                                      array(
@@ -545,8 +548,6 @@ public function restoreDefaults()
         $this->extensions      = [
             'php' => 'PHP',
             'inc' => 'PHP',
-            'js'  => 'JS',
-            'css' => 'CSS',
         ];
         $this->sniffs          = [];
         $this->exclude         = [];
@@ -1146,19 +1147,19 @@ public function processLongArgument($arg, $pos)
                 if (empty($extensionsString) === false) {
                     $extensions = explode(',', $extensionsString);
                     foreach ($extensions as $ext) {
-                        $slash = strpos($ext, '/');
-                        if ($slash !== false) {
+                        if (strpos($ext, '/') !== false) {
                             // They specified the tokenizer too.
                             list($ext, $tokenizer) = explode('/', $ext);
-                            $newExtensions[$ext]   = strtoupper($tokenizer);
-                            continue;
+                            if (strtoupper($tokenizer) !== 'PHP') {
+                                $error  = 'ERROR: Specifying the tokenizer to use for an extension is no longer supported.'.PHP_EOL;
+                                $error .= 'PHP_CodeSniffer >= 4.0 only supports scanning PHP files.'.PHP_EOL;
+                                $error .= 'Received: '.substr($arg, 11).PHP_EOL.PHP_EOL;
+                                $error .= $this->printShortUsage(true);
+                                throw new DeepExitException($error, 3);
+                            }
                         }
 
-                        if (isset($this->extensions[$ext]) === true) {
-                            $newExtensions[$ext] = $this->extensions[$ext];
-                        } else {
-                            $newExtensions[$ext] = 'PHP';
-                        }
+                        $newExtensions[$ext] = 'PHP';
                     }
                 }
 

src/Files/File.php

@@ -14,6 +14,7 @@
 use PHP_CodeSniffer\Exceptions\TokenizerException;
 use PHP_CodeSniffer\Fixer;
 use PHP_CodeSniffer\Ruleset;
+use PHP_CodeSniffer\Tokenizers\PHP;
 use PHP_CodeSniffer\Util\Common;
 use PHP_CodeSniffer\Util\Tokens;
 
@@ -72,17 +73,10 @@ class File
     /**
      * The tokenizer being used for this file.
      *
-     * @var \PHP_CodeSniffer\Tokenizers\Tokenizer
+     * @var \PHP_CodeSniffer\Tokenizers\PHP
      */
     public $tokenizer = null;
 
-    /**
-     * The name of the tokenizer being used for this file.
-     *
-     * @var string
-     */
-    public $tokenizerType = 'PHP';
-
     /**
      * Was the file loaded from cache?
      *
@@ -240,15 +234,6 @@ public function __construct($path, Ruleset $ruleset, Config $config)
         $this->config  = $config;
         $this->fixer   = new Fixer();
 
-        $parts     = explode('.', $path);
-        $extension = array_pop($parts);
-        if (isset($config->extensions[$extension]) === true) {
-            $this->tokenizerType = $config->extensions[$extension];
-        } else {
-            // Revert to default.
-            $this->tokenizerType = 'PHP';
-        }
-
         $this->configCache['cache']           = $this->config->cache;
         $this->configCache['sniffs']          = array_map('strtolower', $this->config->sniffs);
         $this->configCache['exclude']         = array_map('strtolower', $this->config->exclude);
@@ -412,14 +397,8 @@ public function process()
                     continue;
                 }
 
-                // Make sure this sniff supports the tokenizer
-                // we are currently using.
                 $class = $listenerData['class'];
 
-                if (isset($listenerData['tokenizers'][$this->tokenizerType]) === false) {
-                    continue;
-                }
-
                 if (trim($this->path, '\'"') !== 'STDIN') {
                     // If the file path matches one of our ignore patterns, skip it.
                     // While there is support for a type of each pattern
@@ -505,7 +484,7 @@ public function process()
         // We don't show this error for STDIN because we can't be sure the content
         // actually came directly from the user. It could be something like
         // refs from a Git pre-push hook.
-        if ($foundCode === false && $this->tokenizerType === 'PHP' && $this->path !== 'STDIN') {
+        if ($foundCode === false && $this->path !== 'STDIN') {
             $shortTags = (bool) ini_get('short_open_tag');
             if ($shortTags === false) {
                 $error = 'No PHP code was found in this file and short open tags are not allowed by this install of PHP. This file may be using short open tags but PHP does not allow them.';
@@ -543,14 +522,13 @@ public function parse()
         }
 
         try {
-            $tokenizerClass  = 'PHP_CodeSniffer\Tokenizers\\'.$this->tokenizerType;
-            $this->tokenizer = new $tokenizerClass($this->content, $this->config, $this->eolChar);
+            $this->tokenizer = new PHP($this->content, $this->config, $this->eolChar);
             $this->tokens    = $this->tokenizer->getTokens();
         } catch (TokenizerException $e) {
             $this->ignored = true;
             $this->addWarning($e->getMessage(), null, 'Internal.Tokenizer.Exception');
             if (PHP_CODESNIFFER_VERBOSITY > 0) {
-                echo "[$this->tokenizerType => tokenizer error]... ";
+                echo '[tokenizer error]... ';
                 if (PHP_CODESNIFFER_VERBOSITY > 1) {
                     echo PHP_EOL;
                 }
@@ -582,7 +560,7 @@ public function parse()
                 $numLines = $this->tokens[($this->numTokens - 1)]['line'];
             }
 
-            echo "[$this->tokenizerType => $this->numTokens tokens in $numLines lines]... ";
+            echo "[$this->numTokens tokens in $numLines lines]... ";
             if (PHP_CODESNIFFER_VERBOSITY > 1) {
                 echo PHP_EOL;
             }
@@ -1249,14 +1227,6 @@ public function getDeclarationName($stackPtr)
             throw new RuntimeException('Token type "'.$this->tokens[$stackPtr]['type'].'" is not T_FUNCTION, T_CLASS, T_INTERFACE, T_TRAIT or T_ENUM');
         }
 
-        if ($tokenCode === T_FUNCTION
-            && strtolower($this->tokens[$stackPtr]['content']) !== 'function'
-        ) {
-            // This is a function declared without the "function" keyword.
-            // So this token is the function name.
-            return $this->tokens[$stackPtr]['content'];
-        }
-
         $stopPoint = $this->numTokens;
         if (isset($this->tokens[$stackPtr]['parenthesis_opener']) === true) {
             // For functions, stop searching at the parenthesis opener.
@@ -1637,22 +1607,20 @@ public function getMethodProperties($stackPtr)
 
         if ($this->tokens[$stackPtr]['code'] === T_FUNCTION) {
             $valid = [
-                T_PUBLIC      => T_PUBLIC,
-                T_PRIVATE     => T_PRIVATE,
-                T_PROTECTED   => T_PROTECTED,
-                T_STATIC      => T_STATIC,
-                T_FINAL       => T_FINAL,
-                T_ABSTRACT    => T_ABSTRACT,
-                T_WHITESPACE  => T_WHITESPACE,
-                T_COMMENT     => T_COMMENT,
-                T_DOC_COMMENT => T_DOC_COMMENT,
+                T_PUBLIC     => T_PUBLIC,
+                T_PRIVATE    => T_PRIVATE,
+                T_PROTECTED  => T_PROTECTED,
+                T_STATIC     => T_STATIC,
+                T_FINAL      => T_FINAL,
+                T_ABSTRACT   => T_ABSTRACT,
+                T_WHITESPACE => T_WHITESPACE,
+                T_COMMENT    => T_COMMENT,
             ];
         } else {
             $valid = [
-                T_STATIC      => T_STATIC,
-                T_WHITESPACE  => T_WHITESPACE,
-                T_COMMENT     => T_COMMENT,
-                T_DOC_COMMENT => T_DOC_COMMENT,
+                T_STATIC     => T_STATIC,
+                T_WHITESPACE => T_WHITESPACE,
+                T_COMMENT    => T_COMMENT,
             ];
         }
 
@@ -2011,12 +1979,11 @@ public function getClassProperties($stackPtr)
         }
 
         $valid = [
-            T_FINAL       => T_FINAL,
-            T_ABSTRACT    => T_ABSTRACT,
-            T_READONLY    => T_READONLY,
-            T_WHITESPACE  => T_WHITESPACE,
-            T_COMMENT     => T_COMMENT,
-            T_DOC_COMMENT => T_DOC_COMMENT,
+            T_FINAL      => T_FINAL,
+            T_ABSTRACT   => T_ABSTRACT,
+            T_READONLY   => T_READONLY,
+            T_WHITESPACE => T_WHITESPACE,
+            T_COMMENT    => T_COMMENT,
         ];
 
         $isAbstract = false;