From 57a0d9afaea979af927b060d0334b4c1729fabab Mon Sep 17 00:00:00 2001
From: rfm <richardfrithmacdonald@gmail.com>
Date: Mon, 13 Nov 2023 18:57:33 +0000
Subject: [PATCH] Add code to ignore generics markup in declarations.

---
 Tools/AGSParser.m | 66 ++++++++++++++++++++++++++++++++++++++++-------
 1 file changed, 57 insertions(+), 9 deletions(-)

diff --git a/Tools/AGSParser.m b/Tools/AGSParser.m
index 802309fdae..f8ce15c3f7 100644
--- a/Tools/AGSParser.m
+++ b/Tools/AGSParser.m
@@ -1410,6 +1410,10 @@ - (void) parseDeclaratorInto: (NSMutableDictionary*)d
 	  [p appendString: @"("];
 	  pos++;
 	  [self parseDeclaratorInto: d];
+	  if ([self parseSpace] < length && buffer[pos] == '<')
+            {
+              [self skipGeneric];
+            }
 	  if ([self parseSpace] < length && buffer[pos] == '(')
 	    {
 	      [self parseArgsInto: d];	// parse function args.
@@ -1520,7 +1524,7 @@ - (NSMutableDictionary*) parseDeclaration
 	  goto fail;
 	}
       if (([s isEqual: @"__attribute__"])
-          || ([s isEqual: @"__asm__"]))
+        || ([s isEqual: @"__asm__"]))
 	{
 	  if ([self skipSpaces] < length && buffer[pos] == '(')
 	    {
@@ -1843,10 +1847,11 @@ - (NSMutableDictionary*) parseDeclaration
 
 
   /*
-   * Handle protocol specification if necessary
+   * Handle protocol or generic specification if necessary
    */
   if ([self parseSpace] < length && buffer[pos] == '<')
     {
+      unsigned  save = pos;
       NSString	*p;
 
       do
@@ -1859,13 +1864,21 @@ - (NSMutableDictionary*) parseDeclaration
 	    }
 	}
       while ([self parseSpace] < length && buffer[pos] == ',');
-      pos++;
-      [self parseSpace];
-      [a sortUsingSelector: @selector(compare:)];
-      [t appendString: @"<"];
-      [t appendString: [a componentsJoinedByString: @","]];
-      [t appendString: @">"];
-      [a removeAllObjects];
+      if ('>' == buffer[pos])
+        {
+          pos++;
+          [self parseSpace];
+          [a sortUsingSelector: @selector(compare:)];
+          [t appendString: @"<"];
+          [t appendString: [a componentsJoinedByString: @","]];
+          [t appendString: @">"];
+          [a removeAllObjects];
+        }
+      else
+        {
+          pos = save;
+          [self skipGeneric];
+        }
     }
 
   [d setObject: t forKey: @"BaseType"];
@@ -1932,6 +1945,10 @@ - (NSMutableDictionary*) parseDeclaration
 
   if ([self parseSpace] < length)
     {
+      if (buffer[pos] == '<')
+        {
+          [self skipGeneric];
+        }
       if (buffer[pos] == '[')
 	{
 	  NSMutableString	*suffix;
@@ -4929,6 +4946,37 @@ - (unsigned) skipBlock: (BOOL*)isEmpty
   return pos;
 }
 
+- (unsigned) skipGeneric
+{
+  unsigned      depth = 0;
+  unsigned      save = pos;
+
+  NSAssert(buffer[pos] == '<', NSInternalInconsistencyException);
+  while (pos < length)
+    {
+      unichar	c = buffer[pos++];
+
+      if (c == '\\')
+	{
+	  pos++;
+	}
+      else if ('<' == c)
+        {
+          depth++;
+        }
+      else if ('>' == c && --depth == 0)
+	{
+	  break;
+	}
+    }
+  if (depth > 0
+    || (pos < length && buffer[pos - 1] != '>'))
+    {
+      return save;
+    }
+  return pos;
+}
+
 - (unsigned) skipLiteral
 {
   unichar	term = buffer[pos++];