From 3e20d40e9c41f9ab56151b4de1fcf9f44fbd028a Mon Sep 17 00:00:00 2001
From: Jakub Tomany <34450735+jakubtomany@users.noreply.github.com>
Date: Thu, 22 Aug 2024 11:38:15 +0200
Subject: [PATCH] fix: GetChild checks children length properly

fixes the issue when GetChild is called with index == len(prc.children)

Signed-off-by: Jakub Tomany <34450735+jakubtomany@users.noreply.github.com>
---
 runtime/Go/antlr/v4/parser_rule_context.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/runtime/Go/antlr/v4/parser_rule_context.go b/runtime/Go/antlr/v4/parser_rule_context.go
index c249bc1385..7e68ad4667 100644
--- a/runtime/Go/antlr/v4/parser_rule_context.go
+++ b/runtime/Go/antlr/v4/parser_rule_context.go
@@ -161,7 +161,7 @@ func (prc *BaseParserRuleContext) AddErrorNode(badToken Token) *ErrorNodeImpl {
 }
 
 func (prc *BaseParserRuleContext) GetChild(i int) Tree {
-	if prc.children != nil && len(prc.children) >= i {
+	if prc.children != nil && len(prc.children) > i {
 		return prc.children[i]
 	}