.github/workflows/backward-compatibility.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "1.9.x"
+      - "1.20.x"
 
 jobs:
   backward-compatibility:

.github/workflows/build.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "1.9.x"
+      - "1.20.x"
 
 jobs:
   lint:

.github/workflows/test-slevomat-coding-standard.yml

@@ -6,7 +6,7 @@ on:
   pull_request:
   push:
     branches:
-      - "1.9.x"
+      - "1.20.x"
 
 jobs:
   tests:
@@ -32,14 +32,18 @@ jobs:
         with:
           repository: slevomat/coding-standard
           path: slevomat-cs
-          ref: 8.7.1
+          ref: 710c256bf3f0f696ec8d4f9d2218321c3eb0f7d2
 
       - name: "Install PHP"
         uses: "shivammathur/setup-php@v2"
         with:
           coverage: "none"
           php-version: "${{ matrix.php-version }}"
 
+      - name: "Unset platform"
+        working-directory: slevomat-cs
+        run: "composer config --unset platform"
+
       - name: "Install dependencies"
         working-directory: slevomat-cs
         run: "composer install --no-interaction --no-progress"
@@ -56,12 +60,14 @@ jobs:
 
       - name: "Tests"
         working-directory: slevomat-cs
-        run: "bin/phpunit"
+        run: "bin/phpunit --no-coverage"
 
       - name: "PHPStan"
+        if: matrix.php-version == '8.0' || matrix.php-version == '8.1' || matrix.php-version == '8.2'
         working-directory: slevomat-cs
         run: "bin/phpstan analyse -c build/PHPStan/phpstan.neon"
 
       - name: "PHPStan in tests"
+        if: matrix.php-version == '8.0' || matrix.php-version == '8.1' || matrix.php-version == '8.2'
         working-directory: slevomat-cs
         run: "bin/phpstan analyse -c build/PHPStan/phpstan.tests.neon"

Makefile

@@ -25,6 +25,10 @@ cs-fix:
 phpstan:
 	php vendor/bin/phpstan
 
+.PHONY: phpstan-generate-baseline
+phpstan-generate-baseline:
+	php vendor/bin/phpstan --generate-baseline
+
 .PHONY: build-abnfgen
 build-abnfgen:
 	./build-abnfgen.sh

phpcs.xml

@@ -15,6 +15,7 @@
 		<exclude name="SlevomatCodingStandard.Commenting.InlineDocCommentDeclaration.MissingVariable"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameInAnnotation"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedExceptions"/>
+		<exclude name="SlevomatCodingStandard.Classes.SuperfluousAbstractClassNaming.SuperfluousPrefix"/>
 		<exclude name="Consistence.Exceptions.ExceptionDeclaration"/>
 		<exclude name="Squiz.Commenting.FunctionComment"/>
 		<exclude name="Squiz.PHP.Heredoc.NotAllowed"/>

phpstan-baseline.neon

@@ -0,0 +1,26 @@
+parameters:
+	ignoreErrors:
+		-
+			message: "#^Method PHPStan\\\\PhpDocParser\\\\Ast\\\\ConstExpr\\\\QuoteAwareConstExprStringNode\\:\\:escapeDoubleQuotedString\\(\\) should return string but returns string\\|null\\.$#"
+			count: 1
+			path: src/Ast/ConstExpr/QuoteAwareConstExprStringNode.php
+
+		-
+			message: "#^Cannot use array destructuring on array\\<int, array\\<PHPStan\\\\PhpDocParser\\\\Ast\\\\Node\\>\\|int\\|string\\>\\|null\\.$#"
+			count: 1
+			path: src/Ast/NodeTraverser.php
+
+		-
+			message: "#^Strict comparison using \\=\\=\\= between 2 and 2 will always evaluate to true\\.$#"
+			count: 2
+			path: src/Ast/NodeTraverser.php
+
+		-
+			message: "#^Variable property access on PHPStan\\\\PhpDocParser\\\\Ast\\\\Node\\.$#"
+			count: 1
+			path: src/Ast/NodeTraverser.php
+
+		-
+			message: "#^Method PHPStan\\\\PhpDocParser\\\\Parser\\\\StringUnescaper\\:\\:parseEscapeSequences\\(\\) should return string but returns string\\|null\\.$#"
+			count: 1
+			path: src/Parser/StringUnescaper.php

phpstan.neon

@@ -1,7 +1,10 @@
+includes:
+	- phpstan-baseline.neon
+
 parameters:
 	paths:
 		- src
 		- tests
-	level: 5
+	level: 8
 	ignoreErrors:
 		- '#^Dynamic call to static method PHPUnit\\Framework\\Assert#'

src/Ast/AbstractNodeVisitor.php

@@ -0,0 +1,34 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\PhpDocParser\Ast;
+
+/**
+ * Inspired by https://github.com/nikic/PHP-Parser/tree/36a6dcd04e7b0285e8f0868f44bd4927802f7df1
+ *
+ * Copyright (c) 2011, Nikita Popov
+ * All rights reserved.
+ */
+abstract class AbstractNodeVisitor implements NodeVisitor
+{
+
+	public function beforeTraverse(array $nodes): ?array
+	{
+		return null;
+	}
+
+	public function enterNode(Node $node)
+	{
+		return null;
+	}
+
+	public function leaveNode(Node $node)
+	{
+		return null;
+	}
+
+	public function afterTraverse(array $nodes): ?array
+	{
+		return null;
+	}
+
+}

src/Ast/Attribute.php

@@ -0,0 +1,16 @@
+<?php declare(strict_types = 1);
+
+namespace PHPStan\PhpDocParser\Ast;
+
+final class Attribute
+{
+
+	public const START_LINE = 'startLine';
+	public const END_LINE = 'endLine';
+
+	public const START_INDEX = 'startIndex';
+	public const END_INDEX = 'endIndex';
+
+	public const ORIGINAL_NODE = 'originalNode';
+
+}

src/Ast/ConstExpr/QuoteAwareConstExprStringNode.php

@@ -45,7 +45,7 @@ public function __toString(): string
 		return sprintf('"%s"', $this->escapeDoubleQuotedString());
 	}
 
-	private function escapeDoubleQuotedString()
+	private function escapeDoubleQuotedString(): string
 	{
 		$quote = '"';
 		$escaped = addcslashes($this->value, "\n\r\t\f\v$" . $quote . '\\');