From da83dff300d40d1d9ae292c72d113a74b2a07951 Mon Sep 17 00:00:00 2001
From: Ramya Achutha Rao <ramyar@microsoft.com>
Date: Sun, 30 Jul 2017 18:51:05 -0700
Subject: [PATCH] Emmet: Show error when failed to eval math expression Fixes
 #31281

---
 extensions/emmet/src/evaluateMathExpression.ts | 1 +
 1 file changed, 1 insertion(+)

diff --git a/extensions/emmet/src/evaluateMathExpression.ts b/extensions/emmet/src/evaluateMathExpression.ts
index 46c5a197bb845..cf7b84d41cc1a 100644
--- a/extensions/emmet/src/evaluateMathExpression.ts
+++ b/extensions/emmet/src/evaluateMathExpression.ts
@@ -25,6 +25,7 @@ export function evaluateMathExpression() {
 				const result = String(evaluate(stream, true));
 				editBuilder.replace(new vscode.Range(stream.pos, pos), result);
 			} catch (err) {
+				vscode.window.showErrorMessage('Could not evaluate expression');
 				// Ignore error since most likely it’s because of non-math expression
 				console.warn('Math evaluation error', err);
 			}