From 4a1963b3d2b9e39326fb26b08ae2761b4c8634ef Mon Sep 17 00:00:00 2001
From: Phlosioneer <mattmdrr2@gmail.com>
Date: Sat, 16 Mar 2024 17:28:46 -0400
Subject: [PATCH] Add override specifier to typescript copyfrom codegen

Required for `"noImplicitOverride": true` typescript setting.

I couldn't figure out how to add a test for this situation in the typescript
test file. It only happens if a rule context class has a subclass.

Signed-off-by: Phlosioneer <mattmdrr2@gmail.com>
---
 .../antlr/v4/tool/templates/codegen/TypeScript/TypeScript.stg   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/tool/resources/org/antlr/v4/tool/templates/codegen/TypeScript/TypeScript.stg b/tool/resources/org/antlr/v4/tool/templates/codegen/TypeScript/TypeScript.stg
index 233900a5f3..4b1cb2c591 100644
--- a/tool/resources/org/antlr/v4/tool/templates/codegen/TypeScript/TypeScript.stg
+++ b/tool/resources/org/antlr/v4/tool/templates/codegen/TypeScript/TypeScript.stg
@@ -749,7 +749,7 @@ export class <struct.escapedName> extends <if(contextSuperClass)><contextSuperCl
     	return <parser.name>.RULE_<struct.derivedFromName>;
 	}
 <if(struct.provideCopyFrom)><! don't need copy unless we have subclasses !>
-	public copyFrom(ctx: <struct.name>): void {
+	public override copyFrom(ctx: <struct.name>): void {
 		super.copyFrom(ctx);
 		<struct.attrs:{a | this.<a.escapedName> = ctx.<a.escapedName>;}; separator="\n">
 	}