fix(php8): non-capturing exception catches (#1763)

Fixes #1760

Author: czosel

package.json

@@ -13,7 +13,7 @@
   "dependencies": {
     "linguist-languages": "^7.5.1",
     "mem": "^8.0.0",
-    "php-parser": "https://github.com/glayzzle/php-parser#bb89fff9e636a991aa3ac931d5f8a66a365fccce"
+    "php-parser": "https://github.com/glayzzle/php-parser#425c4dcc9f386596bdcd5b458503b3667a858141"
   },
   "devDependencies": {
     "@babel/preset-env": "^7.7.5",

src/printer.js

@@ -2072,8 +2072,7 @@ function printNode(path, options, print) {
           ? concat([
               " (",
               join(" | ", path.map(print, "what")),
-              " ",
-              path.call(print, "variable"),
+              node.variable ? concat([" ", path.call(print, "variable")]) : "",
               ")",
             ])
           : "",

tests/errors/__snapshots__/jsfmt.spec.js.snap

@@ -55,6 +55,19 @@ try {
     // Comment
 }
 
+// PHP 8.0 non-capturing exception catch
+try {
+    // Something
+} catch (\\Exception) {
+    // Nothing
+}
+
+try {
+    // Something
+} catch (MyException | OtherException) {
+    // Nothing
+}
+
 =====================================output=====================================
 <?php
 try {
@@ -107,5 +120,18 @@ try {
     // Comment
 }
 
+// PHP 8.0 non-capturing exception catch
+try {
+    // Something
+} catch (\\Exception) {
+    // Nothing
+}
+
+try {
+    // Something
+} catch (MyException | OtherException) {
+    // Nothing
+}
+
 ================================================================================
 `;

tests/errors/errors.php

@@ -46,3 +46,16 @@
 } finally {
     // Comment
 }
+
+// PHP 8.0 non-capturing exception catch
+try {
+    // Something
+} catch (\Exception) {
+    // Nothing
+}
+
+try {
+    // Something
+} catch (MyException | OtherException) {
+    // Nothing
+}

yarn.lock

@@ -4603,9 +4603,9 @@ performance-now@^2.1.0:
   resolved "https://registry.yarnpkg.com/performance-now/-/performance-now-2.1.0.tgz#6309f4e0e5fa913ec1c69307ae364b4b377c9e7b"
   integrity sha1-Ywn04OX6kT7BxpMHrjZLSzd8nns=
 
-"php-parser@https://github.com/glayzzle/php-parser#bb89fff9e636a991aa3ac931d5f8a66a365fccce":
+"php-parser@https://github.com/glayzzle/php-parser#425c4dcc9f386596bdcd5b458503b3667a858141":
   version "3.0.2"
-  resolved "https://github.com/glayzzle/php-parser#bb89fff9e636a991aa3ac931d5f8a66a365fccce"
+  resolved "https://github.com/glayzzle/php-parser#425c4dcc9f386596bdcd5b458503b3667a858141"
 
 picomatch@^2.0.4, picomatch@^2.0.5, picomatch@^2.2.1:
   version "2.2.2"