Add error identifiers

Author: ondrejmirtes

Diff for: src/Rule/Nette/DoNotExtendNetteObjectRule.php

@@ -35,7 +35,7 @@ public function processNode(Node $node, Scope $scope): array
 					$classReflection->getDisplayName(),
 					'Nette\Object',
 					'Nette\SmartObject'
-				))->build(),
+				))->identifier('class.extendsNetteObject')->build(),
 			];
 		}
 

Diff for: src/Rule/Nette/RegularExpressionPatternRule.php

@@ -35,7 +35,9 @@ public function processNode(Node $node, Scope $scope): array
 				continue;
 			}
 
-			$errors[] = RuleErrorBuilder::message(sprintf('Regex pattern is invalid: %s', $errorMessage))->build();
+			$errors[] = RuleErrorBuilder::message(sprintf('Regex pattern is invalid: %s', $errorMessage))
+				->identifier('regexp.pattern')
+				->build();
 		}
 
 		return $errors;

Diff for: src/Rule/Nette/RethrowExceptionRule.php

@@ -8,6 +8,7 @@
 use PhpParser\Node\Stmt\TryCatch;
 use PHPStan\Analyser\Scope;
 use PHPStan\Rules\Rule;
+use PHPStan\Rules\RuleErrorBuilder;
 use PHPStan\Type\ObjectType;
 use PHPStan\Type\TypeCombinator;
 use Throwable;
@@ -86,7 +87,7 @@ public function processNode(Node $node, Scope $scope): array
 				}
 			}
 
-			$messages[] = sprintf('Exception %s needs to be rethrown.', $exceptionName);
+			$messages[] = RuleErrorBuilder::message(sprintf('Exception %s needs to be rethrown.', $exceptionName))->identifier('nette.rethrowException')->build();
 		}
 
 		return $messages;