Fix for expression in new statement (#1020)

Author: cseufert

src/parser/expr.js

@@ -745,6 +745,16 @@ module.exports = {
     const result = this.node("new");
     this.expect(this.tok.T_NEW) && this.next();
     let args = [];
+    if (this.token === "(") {
+      this.next();
+      const newExp = this.read_expr();
+      this.expect(")");
+      this.next();
+      if (this.token === "(") {
+        args = this.read_argument_list();
+      }
+      return result(newExp, args);
+    }
     const attrs = this.read_attr_list();
     if (this.token === this.tok.T_CLASS) {
       const what = this.node("class");

test/snapshot/__snapshots__/new.test.js.snap

@@ -338,6 +338,122 @@ Program {
 }
 `;
 
+exports[`new result from function 1`] = `
+Program {
+  "children": [
+    ExpressionStatement {
+      "expression": Assign {
+        "kind": "assign",
+        "left": Variable {
+          "curly": false,
+          "kind": "variable",
+          "name": "a",
+        },
+        "operator": "=",
+        "right": New {
+          "arguments": [],
+          "kind": "new",
+          "what": Call {
+            "arguments": [
+              String {
+                "isDoubleQuote": false,
+                "kind": "string",
+                "raw": "'d'",
+                "unicode": false,
+                "value": "d",
+              },
+            ],
+            "kind": "call",
+            "what": Call {
+              "arguments": [
+                String {
+                  "isDoubleQuote": false,
+                  "kind": "string",
+                  "raw": "'c'",
+                  "unicode": false,
+                  "value": "c",
+                },
+              ],
+              "kind": "call",
+              "what": Name {
+                "kind": "name",
+                "name": "b",
+                "resolution": "uqn",
+              },
+            },
+          },
+        },
+      },
+      "kind": "expressionstatement",
+    },
+  ],
+  "errors": [],
+  "kind": "program",
+}
+`;
+
+exports[`new result from function with arguments 1`] = `
+Program {
+  "children": [
+    ExpressionStatement {
+      "expression": Assign {
+        "kind": "assign",
+        "left": Variable {
+          "curly": false,
+          "kind": "variable",
+          "name": "a",
+        },
+        "operator": "=",
+        "right": New {
+          "arguments": [
+            String {
+              "isDoubleQuote": false,
+              "kind": "string",
+              "raw": "'e'",
+              "unicode": false,
+              "value": "e",
+            },
+          ],
+          "kind": "new",
+          "what": Call {
+            "arguments": [
+              String {
+                "isDoubleQuote": false,
+                "kind": "string",
+                "raw": "'d'",
+                "unicode": false,
+                "value": "d",
+              },
+            ],
+            "kind": "call",
+            "what": Call {
+              "arguments": [
+                String {
+                  "isDoubleQuote": false,
+                  "kind": "string",
+                  "raw": "'c'",
+                  "unicode": false,
+                  "value": "c",
+                },
+              ],
+              "kind": "call",
+              "what": Name {
+                "kind": "name",
+                "name": "b",
+                "resolution": "uqn",
+              },
+            },
+          },
+        },
+      },
+      "kind": "expressionstatement",
+    },
+  ],
+  "errors": [],
+  "kind": "program",
+}
+`;
+
 exports[`new self 1`] = `
 Program {
   "children": [

test/snapshot/new.test.js

@@ -79,4 +79,10 @@ describe("new", function () {
       )
     ).toMatchSnapshot();
   });
+  it("result from function", function () {
+    expect(parser.parseEval("$a = new (b('c')('d'));")).toMatchSnapshot();
+  });
+  it("result from function with arguments", function () {
+    expect(parser.parseEval("$a = new (b('c')('d'))('e');")).toMatchSnapshot();
+  });
 });