Squiz/NonExecutableCode: handle FQN exit/die

This commit fixes the sniff to handle "fully qualified exit/die" the same as unqualified exit/die.

Includes tests.

Author: jrfnl

src/Standards/Squiz/Sniffs/PHP/NonExecutableCodeSniff.php

@@ -67,6 +67,11 @@ public function process(File $phpcsFile, $stackPtr)
 
         $prev = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($stackPtr - 1), null, true);
 
+        // Allow for PHP 8.4+ fully qualified use of exit/die.
+        if ($tokens[$stackPtr]['code'] === \T_EXIT && $tokens[$prev]['code'] === \T_NS_SEPARATOR) {
+            $prev = $phpcsFile->findPrevious(Tokens::$emptyTokens, ($prev - 1), null, true);
+        }
+
         // Tokens which can be used in inline expressions need special handling.
         if (isset($this->expressionTokens[$tokens[$stackPtr]['code']]) === true) {
             // If this token is preceded by a logical operator, it only relates to one line

src/Standards/Squiz/Tests/PHP/NonExecutableCodeUnitTest.1.inc

@@ -311,7 +311,7 @@ function parseError2() {
 // All logical operators are allowed with inline expressions (but this was not correctly handled by the sniff).
 function exitExpressionsWithLogicalOperators() {
     $condition = false;
-    $condition || exit();
+    $condition || \exit();
     $condition or die();
 
     $condition = true;
@@ -327,7 +327,7 @@ function exitExpressionsWithLogicalOperators() {
 function exitExpressionsInTernary() {
     $value = $myValue ? $myValue : exit();
     $value = $myValue ?: exit();
-    $value = $var == 'foo' ? 'bar' : die( 'world' );
+    $value = $var == 'foo' ? 'bar' : \die( 'world' );
 
     $value = (!$myValue ) ? exit() : $myValue;
     $value = $var != 'foo' ? die( 'world' ) : 'bar';
@@ -418,3 +418,17 @@ $closure = function ()
     echo 'foo';
     return; // This return should be flagged as not required.
 };
+
+function fqnExitWithCodeAfter() {
+    do_something();
+    exit();
+    do_something_else();
+}
+
+function fqnExitInControlStructureWithCodeAfter() {
+    if(do_something()) {
+        die();
+        do_something_else();
+    }
+    do_something_else();
+}

src/Standards/Squiz/Tests/PHP/NonExecutableCodeUnitTest.php

@@ -90,6 +90,8 @@ public function getWarningList($testFile='')
                 406 => 1,
                 412 => 1,
                 419 => 1,
+                425 => 1,
+                431 => 1,
             ];
 
         case 'NonExecutableCodeUnitTest.2.inc':