Allow mixed tabs and spaces when indentation does not depend on tab size

(hopefully) Closes #30937, fixes #32612

1 files changed, 21 insertions, 1 deletions

diff --git a/modules/gdscript/gdscript_parser.h b/modules/gdscript/gdscript_parser.h
index 04ce9cf4c6..93557d745d 100644
--- a/modules/gdscript/gdscript_parser.h
+++ b/modules/gdscript/gdscript_parser.h
@@ -552,7 +552,27 @@ private:
 
 	int pending_newline;
 
-	List<int> tab_level;
+	struct IndentLevel {
+		int indent;
+		int tabs;
+
+		bool is_mixed(IndentLevel other) {
+			return (
+					(indent == other.indent && tabs != other.tabs) ||
+					(indent > other.indent && tabs < other.tabs) ||
+					(indent < other.indent && tabs > other.tabs));
+		}
+
+		IndentLevel() :
+				indent(0),
+				tabs(0) {}
+
+		IndentLevel(int p_indent, int p_tabs) :
+				indent(p_indent),
+				tabs(p_tabs) {}
+	};
+
+	List<IndentLevel> indent_level;
 
 	String base_path;
 	String self_path;