fix offset for type param changes

bin/update-property-map.php

@@ -11,6 +11,13 @@ declare(strict_types=1);
 //
 // What we are currently missing is properly parsing of <xi:include> directives.
 
+use PhpParser\Lexer\Emulative;
+use PhpParser\Node\Stmt\Class_;
+use PhpParser\Node\Stmt\Namespace_;
+use PhpParser\NodeTraverser;
+use PhpParser\NodeVisitor\NameResolver;
+use PhpParser\ParserFactory;
+
 set_error_handler(function ($num, $str, $file, $line, $context = null): void {
     throw new ErrorException($str, 0, $num, $file, $line);
 });
@@ -22,22 +29,22 @@ foreach ([__DIR__ . '/../../../autoload.php', __DIR__ . '/../vendor/autoload.php
     }
 }
 
-$lexer = new PhpParser\Lexer\Emulative();
-$parser = (new PhpParser\ParserFactory)->create(
-    PhpParser\ParserFactory::PREFER_PHP7,
+$lexer = new Emulative();
+$parser = (new ParserFactory)->create(
+    ParserFactory::PREFER_PHP7,
     $lexer,
 );
-$traverser = new PhpParser\NodeTraverser();
-$traverser->addVisitor(new PhpParser\NodeVisitor\NameResolver);
+$traverser = new NodeTraverser();
+$traverser->addVisitor(new NameResolver);
 
 function extractClassesFromStatements(array $statements): array
 {
     $classes = [];
     foreach ($statements as $statement) {
-        if ($statement instanceof PhpParser\Node\Stmt\Class_) {
+        if ($statement instanceof Class_) {
             $classes[strtolower($statement->namespacedName->toString())] = true;
         }
-        if ($statement instanceof PhpParser\Node\Stmt\Namespace_) {
+        if ($statement instanceof Namespace_) {
             $classes += extractClassesFromStatements($statement->stmts);
         }
     }

src/Psalm/Internal/FileManipulation/FunctionDocblockManipulator.php

@@ -137,7 +137,7 @@ class FunctionDocblockManipulator
                 if ($param->type) {
                     $this->param_typehint_offsets[$param->var->name] = [
                         (int) $param->type->getAttribute('startFilePos'),
-                        (int) $param->type->getAttribute('endFilePos'),
+                        (int) $param->type->getAttribute('endFilePos') + 1,
                     ];
                 }
             }

tests/FileManipulation/ParamTypeManipulationTest.php

@@ -365,6 +365,54 @@ class ParamTypeManipulationTest extends FileManipulationTestCase
                 'issues_to_fix' => ['MissingParamType'],
                 'safe_types' => true,
             ],
+            'ChangingTypeOfExplicitMixedParam' => [
+                'input' => '<?php
+
+                    class ConfigContainer
+                    {
+
+                        public function setValue(mixed $value): void
+                        {
+                        }
+
+
+                    }
+
+                    function foo(){
+                        $config = new ConfigContainer();
+
+                        $config->setValue([1,2,3,4]);
+
+                    }
+                    ',
+                'output' => '<?php
+
+                    class ConfigContainer
+                    {
+
+                        /**
+                         * @param int[] $value
+                         *
+                         * @psalm-param list{1, 2, 3, 4} $value
+                         */
+                        public function setValue(array $value): void
+                        {
+                        }
+
+
+                    }
+
+                    function foo(){
+                        $config = new ConfigContainer();
+
+                        $config->setValue([1,2,3,4]);
+
+                    }
+                    ',
+                'php_version' => '8.0',
+                'issues_to_fix' => ['MissingParamType'],
+                'safe_types' => false,
+            ],
         ];
     }
 }