Addes support for union types as part of classes

Author: cseufert

src/parser/class.js

@@ -309,7 +309,7 @@ module.exports = {
       nullable = true;
       this.next();
     }
-    let type = this.read_type();
+    let type = this.read_types();
     if (nullable && !type) {
       this.raiseError(
         "Expecting a type definition combined with nullable operator"

test/snapshot/__snapshots__/class.test.js.snap

@@ -445,11 +445,13 @@ Program {
                 "name": "prop",
               },
               "nullable": true,
-              "type": TypeReference {
-                "kind": "typereference",
-                "name": "int",
-                "raw": "int",
-              },
+              "type": Array [
+                TypeReference {
+                  "kind": "typereference",
+                  "name": "int",
+                  "raw": "int",
+                },
+              ],
               "value": NullKeyword {
                 "kind": "nullkeyword",
                 "raw": "null",
@@ -504,6 +506,118 @@ Program {
 }
 `;
 
+exports[`Test classes Test class union properties 1`] = `
+Program {
+  "children": Array [
+    Class {
+      "body": Array [
+        PropertyStatement {
+          "isStatic": true,
+          "kind": "propertystatement",
+          "properties": Array [
+            Property {
+              "kind": "property",
+              "name": Identifier {
+                "kind": "identifier",
+                "name": "foo",
+              },
+              "nullable": false,
+              "type": Array [
+                TypeReference {
+                  "kind": "typereference",
+                  "name": "int",
+                  "raw": "int",
+                },
+                TypeReference {
+                  "kind": "typereference",
+                  "name": "float",
+                  "raw": "float",
+                },
+              ],
+              "value": null,
+            },
+          ],
+          "visibility": "",
+        },
+        PropertyStatement {
+          "isStatic": false,
+          "kind": "propertystatement",
+          "properties": Array [
+            Property {
+              "kind": "property",
+              "name": Identifier {
+                "kind": "identifier",
+                "name": "bar",
+              },
+              "nullable": true,
+              "type": Array [
+                Name {
+                  "kind": "name",
+                  "name": "Foo",
+                  "resolution": "uqn",
+                },
+                Name {
+                  "kind": "name",
+                  "name": "Bar",
+                  "resolution": "uqn",
+                },
+              ],
+              "value": null,
+            },
+          ],
+          "visibility": "private",
+        },
+        PropertyStatement {
+          "isStatic": false,
+          "kind": "propertystatement",
+          "properties": Array [
+            Property {
+              "kind": "property",
+              "name": Identifier {
+                "kind": "identifier",
+                "name": "a",
+              },
+              "nullable": false,
+              "type": Array [
+                Name {
+                  "kind": "name",
+                  "name": "Repo",
+                  "resolution": "uqn",
+                },
+                TypeReference {
+                  "kind": "typereference",
+                  "name": "string",
+                  "raw": "string",
+                },
+                Name {
+                  "kind": "name",
+                  "name": "null",
+                  "resolution": "uqn",
+                },
+              ],
+              "value": null,
+            },
+          ],
+          "visibility": "public",
+        },
+      ],
+      "extends": null,
+      "implements": null,
+      "isAbstract": false,
+      "isAnonymous": false,
+      "isFinal": false,
+      "kind": "class",
+      "name": Identifier {
+        "kind": "identifier",
+        "name": "Test",
+      },
+    },
+  ],
+  "errors": Array [],
+  "kind": "program",
+}
+`;
+
 exports[`Test classes Test js properties 1`] = `
 Program {
   "children": Array [

test/snapshot/__snapshots__/graceful.test.js.snap

@@ -303,11 +303,13 @@ Program {
                 "name": "onst",
               },
               "nullable": false,
-              "type": Name {
-                "kind": "name",
-                "name": "foo",
-                "resolution": "uqn",
-              },
+              "type": Array [
+                Name {
+                  "kind": "name",
+                  "name": "foo",
+                  "resolution": "uqn",
+                },
+              ],
               "value": null,
             },
           ],
@@ -834,11 +836,13 @@ Program {
                 "name": "mplement",
               },
               "nullable": false,
-              "type": Name {
-                "kind": "name",
-                "name": "bar",
-                "resolution": "uqn",
-              },
+              "type": Array [
+                Name {
+                  "kind": "name",
+                  "name": "bar",
+                  "resolution": "uqn",
+                },
+              ],
               "value": null,
             },
           ],

test/snapshot/class.test.js

@@ -129,6 +129,17 @@ describe("Test classes", function () {
     ).toMatchSnapshot();
   });
 
+  it("Test class union properties", function () {
+    expect(
+      parser.parseEval(`
+      class Test {
+        static int|float $foo;
+        private ?Foo|Bar $bar;
+        public Repo|string|null $a;
+      }`)
+    ).toMatchSnapshot();
+  });
+
   it("empty", function () {
     expect(parser.parseEval("class Foo {}")).toMatchSnapshot();
   });