From 378289cbe1b49b3f7116df3393d29e08c61a9686 Mon Sep 17 00:00:00 2001
From: Farhad Safarov <farhad.safarov@gmail.com>
Date: Tue, 12 Nov 2019 16:36:05 +0300
Subject: [PATCH] initial commit

---
 .gitignore                        |  2 ++
 .travis.yml                       | 25 ++++++++++++++++++
 LICENSE                           | 21 ++++++++++++++++
 README.md                         |  8 ++++++
 composer.json                     | 33 ++++++++++++++++++++++++
 psalm.xml                         | 15 +++++++++++
 src/Handler/ClassHandler.php      | 42 +++++++++++++++++++++++++++++++
 src/Issue/ContainerDependency.php | 14 +++++++++++
 src/Plugin.php                    | 19 ++++++++++++++
 9 files changed, 179 insertions(+)
 create mode 100644 .gitignore
 create mode 100644 .travis.yml
 create mode 100644 LICENSE
 create mode 100644 README.md
 create mode 100644 composer.json
 create mode 100644 psalm.xml
 create mode 100644 src/Handler/ClassHandler.php
 create mode 100644 src/Issue/ContainerDependency.php
 create mode 100644 src/Plugin.php

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..7579f74
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+vendor
+composer.lock
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..e8478fa
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,25 @@
+language: php
+
+php:
+  - 7.1
+  - 7.2
+  - 7.3
+
+before_install:
+  - phpenv config-rm xdebug.ini || true
+
+install:
+  - composer install
+  - if [[ "$DEPS" = 'high' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS update; fi
+  - if [[ "$DEPS" = 'low' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS --prefer-lowest --prefer-stable update; fi
+  - if [[ "$DEPS" = 'stable' ]]; then travis_retry composer $DEFAULT_COMPOSER_FLAGS --prefer-stable update; fi
+
+script: composer check
+
+env:
+  matrix:
+    - DEPS="low"
+    - DEPS="high"
+    - DEPS="stable"
+  global:
+    - DEFAULT_COMPOSER_FLAGS="--no-interaction --no-suggest"
diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..d7d8ff1
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Farhad Safarov
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..c37a19f
--- /dev/null
+++ b/README.md
@@ -0,0 +1,8 @@
+# Symfony Psalm Plugin
+
+### Installation
+
+```
+composer require --dev seferov/symfony-psalm-plugin
+vendor/bin/psalm-plugin enable seferov/symfony-psalm-plugin
+```
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..eb73cae
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,33 @@
+{
+    "name": "seferov/symfony-psalm-plugin",
+    "description": "Psalm Plugin for Symfony",
+    "type": "psalm-plugin",
+    "require": {
+        "php": "^7.1",
+        "vimeo/psalm": "^3.2",
+        "symfony/framework-bundle": "^3.0 || ^4.0"
+    },
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Farhad Safarov",
+            "email": "farhad.safarov@gmail.com"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Seferov\\SymfonyPsalmPlugin\\": "src"
+        }
+    },
+    "extra": {
+        "psalm" : {
+            "pluginClass": "Seferov\\SymfonyPsalmPlugin\\Plugin"
+        }
+    },
+    "scripts": {
+        "check": [
+            "@analyze"
+        ],
+        "analyze": "psalm"
+    }
+}
diff --git a/psalm.xml b/psalm.xml
new file mode 100644
index 0000000..9d2a538
--- /dev/null
+++ b/psalm.xml
@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<psalm
+    totallyTyped="false"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+>
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+</psalm>
diff --git a/src/Handler/ClassHandler.php b/src/Handler/ClassHandler.php
new file mode 100644
index 0000000..2f19f82
--- /dev/null
+++ b/src/Handler/ClassHandler.php
@@ -0,0 +1,42 @@
+<?php
+
+namespace Seferov\SymfonyPsalmPlugin\Handler;
+
+use PhpParser\Node;
+use Psalm\Codebase;
+use Psalm\CodeLocation;
+use Psalm\FileManipulation;
+use Psalm\IssueBuffer;
+use Psalm\Plugin\Hook\AfterClassLikeAnalysisInterface;
+use Psalm\StatementsSource;
+use Psalm\Storage\ClassLikeStorage;
+use Seferov\SymfonyPsalmPlugin\Issue\ContainerDependency;
+use Symfony\Component\DependencyInjection\ContainerInterface;
+
+class ClassHandler implements AfterClassLikeAnalysisInterface
+{
+    /**
+     * Called after a statement has been checked
+     *
+     * @param FileManipulation[] $file_replacements
+     *
+     * @return null|false
+     */
+    public static function afterStatementAnalysis(Node\Stmt\ClassLike $stmt, ClassLikeStorage $classlike_storage, StatementsSource $statements_source, Codebase $codebase, array &$file_replacements = [])
+    {
+        foreach ($stmt->stmts as $stmt) {
+            if ($stmt instanceof Node\Stmt\ClassMethod && '__construct' === $stmt->name->name) {
+                foreach ($stmt->params as $param) {
+                    if ($param->type instanceof Node\Name && ContainerInterface::class === $param->type->getAttributes()['resolvedName']) {
+                        IssueBuffer::accepts(
+                            new ContainerDependency(new CodeLocation($statements_source, $stmt)),
+                            $statements_source->getSuppressedIssues()
+                        );
+                    }
+                }
+            }
+        }
+
+        return null;
+    }
+}
diff --git a/src/Issue/ContainerDependency.php b/src/Issue/ContainerDependency.php
new file mode 100644
index 0000000..1d39889
--- /dev/null
+++ b/src/Issue/ContainerDependency.php
@@ -0,0 +1,14 @@
+<?php
+
+namespace Seferov\SymfonyPsalmPlugin\Issue;
+
+use Psalm\CodeLocation;
+use Psalm\Issue\CodeIssue;
+
+class ContainerDependency extends CodeIssue
+{
+    public function __construct(CodeLocation $code_location)
+    {
+        parent::__construct('Container must not inject into services as dependency!', $code_location);
+    }
+}
diff --git a/src/Plugin.php b/src/Plugin.php
new file mode 100644
index 0000000..c2b4262
--- /dev/null
+++ b/src/Plugin.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Seferov\SymfonyPsalmPlugin;
+
+use Psalm\Plugin\PluginEntryPointInterface;
+use Psalm\Plugin\RegistrationInterface;
+use Seferov\SymfonyPsalmPlugin\Handler\ClassHandler;
+use SimpleXMLElement;
+
+class Plugin implements PluginEntryPointInterface
+{
+    /** @return void */
+    public function __invoke(RegistrationInterface $api, SimpleXMLElement $config = null)
+    {
+        require_once __DIR__ . '/Handler/ClassHandler.php';
+
+        $api->registerHooksFromClass(ClassHandler::class);
+    }
+}