Throw unimplemented error when using spread operator (#1926)

* Add unimplemented error when using spread (...)

* Error in resolver only with proper ReportMode

* Add name and email to NOTICE

* Change my email in NOTICE

Co-authored-by: romdotdog <[email protected]>

Author: romdotdog

NOTICE

@@ -39,6 +39,7 @@ under the licensing terms detailed in LICENSE:
 * bnbarak <[email protected]>
 * Colin Eberhardt <[email protected]>
 * Ryan Pivovar <[email protected]>
+* Roman F. <[email protected]>
 * Joe Pea <[email protected]>
 
 Portions of this software are derived from third-party works licensed under

src/compiler.ts

@@ -9745,6 +9745,13 @@ export class Compiler extends DiagnosticEmitter {
       case Token.TYPEOF: {
         return this.compileTypeof(expression, contextualType, constraints);
       }
+      case Token.DOT_DOT_DOT: {
+        this.error(
+          DiagnosticCode.Not_implemented_0,
+          expression.range, "Spread operator"
+        );
+        return module.unreachable();
+      }
       default: {
         assert(false);
         return module.unreachable();

src/resolver.ts

@@ -1768,6 +1768,15 @@ export class Resolver extends DiagnosticEmitter {
         }
         return type.intType;
       }
+      case Token.DOT_DOT_DOT: {
+        if (reportMode == ReportMode.REPORT) {
+          this.error(
+            DiagnosticCode.Not_implemented_0,
+            node.range, "Spread operator"
+          );
+        }
+        return null;
+      }
       default: assert(false);
     }
     return null;