Start using github workflow

.github/main.workflow

@@ -0,0 +1,35 @@
+workflow "Qa workflow" {
+  on = "push"
+  resolves = [
+    "PHPStan",
+    "composer-require-checker",
+    "Code style check",
+  ]
+}
+
+action "composer" {
+  uses = "docker://composer"
+  secrets = ["GITHUB_TOKEN"]
+  args = "install --no-interaction --prefer-dist --optimize-autoloader"
+}
+
+action "PHPStan" {
+  uses = "docker://oskarstark/phpstan-ga"
+  args = "analyse src tests --level max --configuration phpstan.neon"
+  secrets = ["GITHUB_TOKEN"]
+  needs = ["composer"]
+}
+
+action "composer-require-checker" {
+  uses = "docker://phpga/composer-require-checker-ga"
+  secrets = ["GITHUB_TOKEN"]
+  args = "check --config-file ./composer-require-config.json composer.json"
+  needs = ["composer"]
+}
+
+action "Code style check" {
+  uses = "docker://oskarstark/phpcs-ga"
+  secrets = ["GITHUB_TOKEN"]
+  args = "-d memory_limit=1024M"
+  needs = ["composer"]
+}

.travis.yml

@@ -26,19 +26,6 @@ jobs:
         - travis_retry php phive.phar --no-progress install --trust-gpg-keys E82B2FB314E9906E php-coveralls/php-coveralls && ./tools/php-coveralls --verbose
         - travis_retry wget --no-verbose https://scrutinizer-ci.com/ocular.phar && php ocular.phar code-coverage:upload --format=php-clover build/logs/clover.xml
 
-    - stage: analysis
-      php: 7.1
-      before_script:
-        - travis_retry wget --no-verbose https://phar.io/releases/phive.phar
-        - travis_retry php phive.phar --no-progress install --trust-gpg-keys 8E730BA25823D8B5 phpstan
-      script:
-        - ./tools/phpstan analyse src --level max --configuration phpstan.neon
-
-    - stage: analysis
-      php: 7.1
-      script:
-        - composer create-project symplify/easy-coding-standard temp/ecs ^3 && temp/ecs/bin/ecs check src tests
-
 cache:
   directories:
   - $HOME/.composer

composer-require-config.json

@@ -0,0 +1,15 @@
+{
+  "symbol-whitelist" : [
+    "null", "true", "false",
+    "static", "self", "parent",
+    "array", "string", "int", "float", "bool", "iterable", "callable", "void", "object", "XSLTProcessor"
+  ],
+  "php-core-extensions" : [
+    "Core",
+    "pcre",
+    "Reflection",
+    "tokenizer",
+    "SPL",
+    "standard"
+  ]
+}

composer.json

@@ -16,7 +16,8 @@
     },
     "require-dev": {
         "mockery/mockery": "~1",
-        "phpunit/phpunit": "~6"
+        "phpunit/phpunit": "~6",
+        "ext-tokenizer": "^7.1"
     },
     "autoload": {
         "psr-4": {

phpcs.xml.dist

@@ -0,0 +1,15 @@
+<?xml version="1.0"?>
+<ruleset name="phpDocumentor">
+ <description>The coding standard for phpDocumentor.</description>
+
+    <file>src</file>
+    <file>tests/unit</file>
+    <exclude-pattern>*/tests/unit/Types/ContextFactoryTest.php</exclude-pattern>
+    <arg value="p"/>
+     <rule ref="PSR2">
+         <include-pattern>*\.php</include-pattern>
+     </rule>
+      <rule ref="Squiz.Classes.ValidClassName.NotCamelCaps">
+         <exclude-pattern>*/src/*_.php</exclude-pattern>
+     </rule>
+</ruleset>

src/TypeResolver.php

@@ -115,7 +115,13 @@ public function resolve($type, Context $context = null)
         }
 
         // split the type string into tokens `|`, `?`, `(`, `)[]`, '<', '>' and type names
-        $tokens = preg_split('/(\\||\\?|<|>|,|\\(|\\)(?:\\[\\])+)/', $type, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE);
+        $tokens = preg_split(
+            '/(\\||\\?|<|>|,|\\(|\\)(?:\\[\\])+)/',
+            $type,
+            -1,
+            PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE
+        );
+
         if (false === $tokens) {
             throw new \InvalidArgumentException('Unable to split the type string "' . $type . '" into tokens');
         }
@@ -200,7 +206,7 @@ private function parseTypes(\ArrayIterator $tokens, Context $context, $parserCon
                 }
 
                 $classType = array_pop($types);
-                if ($classType) {
+                if ($classType !== null) {
                     $types[] = $this->resolveCollection($tokens, $classType, $context);
                 }