fix: enum as name

src/parser/class.js

@@ -21,7 +21,7 @@ module.exports = {
       this.next();
       return null;
     }
-    this.next().expect(this.tok.T_STRING);
+    this.next().expect([this.tok.T_STRING, this.tok.T_ENUM]);
     let propName = this.node("identifier");
     const name = this.text();
     this.next();
@@ -381,7 +381,7 @@ module.exports = {
       this.next();
       return null;
     }
-    this.next().expect(this.tok.T_STRING);
+    this.next().expect([this.tok.T_STRING, this.tok.T_ENUM]);
     let propName = this.node("identifier");
     const name = this.text();
     this.next();
@@ -465,7 +465,7 @@ module.exports = {
       this.next();
       return null;
     }
-    this.next().expect(this.tok.T_STRING);
+    this.next().expect([this.tok.T_STRING, this.tok.T_ENUM]);
     let propName = this.node("identifier");
     const name = this.text();
     this.next();

src/parser/function.js

@@ -99,7 +99,10 @@ module.exports = {
         }
       } else {
         if (this.version >= 700) {
-          if (this.token === this.tok.T_STRING) {
+          if (
+            this.token === this.tok.T_STRING ||
+            this.token === this.tok.T_ENUM
+          ) {
             name = this.text();
             this.next();
           } else if (this.version >= 704) {
@@ -111,7 +114,7 @@ module.exports = {
             this.next();
           }
         } else {
-          if (this.expect(this.tok.T_STRING)) {
+          if (this.expect([this.tok.T_STRING, this.tok.T_ENUM])) {
             name = this.text();
           }
           this.next();

test/snapshot/__snapshots__/enum.test.js.snap

@@ -277,6 +277,84 @@ Program {
 
 exports[`Test enums cannot have properties 1`] = `"Parse Error : syntax error, unexpected 'int' (T_STRING) on line 3"`;
 
+exports[`Test enums doesn't cause problems when used as identifier 1`] = `
+Program {
+  "children": Array [
+    Class {
+      "attrGroups": Array [],
+      "body": Array [
+        Method {
+          "arguments": Array [],
+          "attrGroups": Array [],
+          "body": Block {
+            "children": Array [],
+            "kind": "block",
+          },
+          "byref": false,
+          "isAbstract": false,
+          "isFinal": false,
+          "isStatic": false,
+          "kind": "method",
+          "name": Identifier {
+            "kind": "identifier",
+            "name": "enum",
+          },
+          "nullable": false,
+          "type": null,
+          "visibility": "",
+        },
+      ],
+      "extends": null,
+      "implements": null,
+      "isAbstract": false,
+      "isAnonymous": false,
+      "isFinal": false,
+      "kind": "class",
+      "name": Identifier {
+        "kind": "identifier",
+        "name": "Enum",
+      },
+    },
+    Interface {
+      "attrGroups": Array [],
+      "body": Array [],
+      "extends": null,
+      "kind": "interface",
+      "name": Identifier {
+        "kind": "identifier",
+        "name": "Enum",
+      },
+    },
+    Trait {
+      "body": Array [],
+      "kind": "trait",
+      "name": Identifier {
+        "kind": "identifier",
+        "name": "Enum",
+      },
+    },
+    _Function {
+      "arguments": Array [],
+      "attrGroups": Array [],
+      "body": Block {
+        "children": Array [],
+        "kind": "block",
+      },
+      "byref": false,
+      "kind": "function",
+      "name": Identifier {
+        "kind": "identifier",
+        "name": "enum",
+      },
+      "nullable": false,
+      "type": null,
+    },
+  ],
+  "errors": Array [],
+  "kind": "program",
+}
+`;
+
 exports[`Test enums empty 1`] = `
 Program {
   "children": Array [

test/snapshot/enum.test.js

@@ -90,4 +90,15 @@ describe("Test enums", function () {
       `);
     }).toThrowErrorMatchingSnapshot();
   });
+
+  it("doesn't cause problems when used as identifier", function () {
+    expect(
+      parser.parseEval(`
+      class Enum { function enum () {} }
+      interface Enum {}
+      trait Enum {}
+      function enum() {}
+    `)
+    ).toMatchSnapshot();
+  });
 });