Generic/LineLength: ignore line length for use statements

src/Standards/Generic/Sniffs/Files/LineLengthSniff.php

@@ -46,6 +46,13 @@ class LineLengthSniff implements Sniff
      */
     public $ignoreComments = false;
 
+    /**
+     * Whether or not to ignore use statements.
+     *
+     * @var boolean
+     */
+    public $ignoreUseStatements = false;
+
 
     /**
      * Returns an array of tokens this test wants to listen for.
@@ -141,6 +148,16 @@ protected function checkLineLength($phpcsFile, $tokens, $stackPtr)
             $lineLength -= $tokens[$stackPtr]['length'];
         }
 
+        if ($this->ignoreUseStatements === true
+            && $lineLength > $this->lineLimit
+        ) {
+            $prevUseStatement = $phpcsFile->findPrevious([T_USE], ($stackPtr - 1));
+            if ($tokens[$stackPtr]['line'] === $tokens[$prevUseStatement]['line']) {
+                // Ignore use statements as these can only be on one line
+                return;
+            }
+        }
+
         // Record metrics for common line length groupings.
         if ($lineLength <= 80) {
             $phpcsFile->recordMetric($stackPtr, 'Line length', '80 or less');

src/Standards/Generic/Tests/Files/LineLengthUnitTest.1.inc

@@ -82,3 +82,9 @@ $ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab	=  	$ab;
 $a = $b; // phpcs:ignore Standard.Category.Sniff.ErrorCode1,Standard.Category.Sniff.ErrorCode2 -- for reasons ...
 
 if (($anotherReallyLongVarName === true) {} // This comment makes the line too long.
+
+?>
+
+<?php
+
+use ThisReallyLong\Long\Loooooooooooooooong\Loooooooooooooooong\UseStatement\ThatShouldNotBeAllowed\AndThrowErrorsBecauseItsTooLong;

src/Standards/Generic/Tests/Files/LineLengthUnitTest.5.inc

@@ -0,0 +1,8 @@
+phpcs:set Generic.Files.LineLength ignoreUseStatements true
+<?php
+
+/* This line is fine. */
+use ThisShort\UseStatement\ThatShouldBeAllowed;
+
+/* This line is too long but will be ignored. This line is too long but will be ignored. */
+use ThisReallyLong\Long\Loooooooooooooooong\Loooooooooooooooong\UseStatement\ThatShouldBeAllowed\AndThrowNoWarningsOrErrors;

src/Standards/Generic/Tests/Files/LineLengthUnitTest.php

@@ -54,6 +54,7 @@ public function getErrorList($testFile='')
                 34 => 1,
                 45 => 1,
                 82 => 1,
+                90 => 1,
             ];
 
         case 'LineLengthUnitTest.2.inc':