primitive string and int, primitive functions, codegen fixes

newt-vscode/src/extension.ts

@@ -47,7 +47,7 @@ export function activate(context: vscode.ExtensionContext) {
           ) {
             message += "\n" + lines[++i];
           }
-          const severity = kind === 'ERROR' ? vscode.DiagnosticSeverity.Error : vscode.DiagnosticSeverity.Information
+          const severity = kind === 'ERROR' ? vscode.DiagnosticSeverity.Error : vscode.DiagnosticSeverity.Information;
           const diag = new vscode.Diagnostic(range, message, severity);
           diagnostics.push(diag);
         }

newt-vscode/syntaxes/newt.tmLanguage.json

@@ -16,7 +16,7 @@
     },
     {
       "name": "keyword.newt",
-      "match": "\\b(data|where|case|of|let|in|U|module)\\b"
+      "match": "\\b(data|where|case|of|let|in|U|module|ptype|pfunc)\\b"
     }
   ]
 }