From d3095144e1c04b4e8c33fd43ad08b9db9f63b084 Mon Sep 17 00:00:00 2001
From: William S Fulton <wsf@fultondesigns.co.uk>
Date: Wed, 23 Nov 2022 19:57:20 +0000
Subject: [PATCH] Optimise SwigType_base implementation

Also fixes assumption that templates start '<' instead of '<('.
Checked java and python test-suite - no changes in output.
---
 Source/Swig/typeobj.c | 17 +++--------------
 1 file changed, 3 insertions(+), 14 deletions(-)

diff --git a/Source/Swig/typeobj.c b/Source/Swig/typeobj.c
index 584e2424b..088497fa5 100644
--- a/Source/Swig/typeobj.c
+++ b/Source/Swig/typeobj.c
@@ -1181,20 +1181,9 @@ SwigType *SwigType_base(const SwigType *t) {
       c++;
       continue;
     }
-    if (*c == '<') {
-      /* Skip over template---it's part of the base name */
-      int ntemp = 1;
-      c++;
-      while ((*c) && (ntemp > 0)) {
-	if (*c == '>')
-	  ntemp--;
-	else if (*c == '<')
-	  ntemp++;
-	c++;
-      }
-      if (ntemp)
-	break;
-      continue;
+    if (*c == '<' && *(c + 1) == '(') {
+      /* start of template parameters --- the remainder is part of the base */
+      break;
     }
     if (*c == '(') {
       /* Skip over params */