Setup phpstan & php linting Github Actions (#71)

Author: clxmstaab

.github/workflows/lint.yml

@@ -0,0 +1,32 @@
+name: "PHP Lint"
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  tests:
+    name: "Lint"
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-version:
+          - "5.3"
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          extensions: "intl"
+          ini-values: "memory_limit=-1"
+          php-version: "${{ matrix.php-version }}"
+
+      - name: "Lint PHP files"
+        run: "find src/ -type f -name '*.php' -print0 | xargs -0 -L1 -P4 -- php -l -f"

.github/workflows/phpstan.yml

@@ -0,0 +1,50 @@
+name: "PHPStan"
+
+on:
+  push:
+  pull_request:
+
+env:
+  COMPOSER_FLAGS: "--ansi --no-interaction --no-progress --no-suggest --prefer-dist"
+
+jobs:
+  tests:
+    name: "PHPStan"
+
+    runs-on: ubuntu-latest
+
+    strategy:
+      matrix:
+        php-version:
+          - "7.4"
+
+    steps:
+      - name: "Checkout"
+        uses: "actions/checkout@v2"
+
+      - name: "Install PHP"
+        uses: "shivammathur/setup-php@v2"
+        with:
+          coverage: "none"
+          ini-values: "memory_limit=-1"
+          php-version: "${{ matrix.php-version }}"
+
+
+      - name: "Determine composer cache directory"
+        id: "determine-composer-cache-directory"
+        run: "echo \"::set-output name=directory::$(php bin/composer config cache-dir)\""
+
+      - name: "Cache dependencies installed with composer"
+        uses: "actions/cache@v1"
+        with:
+          path: "${{ steps.determine-composer-cache-directory.outputs.directory }}"
+          key: "php-${{ matrix.php-version }}-${{ hashFiles('**/composer.json') }}"
+          restore-keys: "php-${{ matrix.php-version }}"
+
+      - name: "Install highest dependencies from composer.json using composer binary provided by system"
+        run: "composer update ${{ env.COMPOSER_FLAGS }}"
+
+      - name: Run PHPStan
+        run: |
+          composer require --dev phpstan/phpstan:^0.12.26
+          vendor/bin/phpstan analyse --configuration=phpstan-config.neon

phpstan-config.neon

@@ -0,0 +1,6 @@
+parameters:
+    level: 1
+
+    paths:
+        - src/
+        - tests/

src/Seld/JsonLint/JsonParser.php

@@ -303,7 +303,7 @@ public function parse($input, $flags = 0)
                         'first_column' => $this->lstack[\count($this->lstack) - ($len ?: 1)]['first_column'],
                         'last_column' => $this->lstack[\count($this->lstack) - 1]['last_column'],
                     );
-                    $r = $this->performAction($yyval, $yytext, $yyleng, $yylineno, $action[1], $this->vstack, $this->lstack);
+                    $r = $this->performAction($yyval, $yytext, $yyleng, $yylineno, $action[1], $this->vstack);
 
                     if (!$r instanceof Undefined) {
                         return $r;