添加注释

libSyntax/libsyntax.h

@@ -298,11 +298,14 @@ namespace lib_syntax {
 
 			auto nbranch = this->child_store->parse(ncursor);
 			decltype(nbranch) list_ok;
+			// 选择完全匹配成功的
 			std::copy_if(nbranch.begin(), nbranch.end(), std::back_inserter(list_ok),
 				[](std::shared_ptr<const MatchCursor> ins) { return !ins->exprsErrorCount(); });
 			if (!list_ok.size()) {
+				// 选择被修正的
 				std::copy_if(nbranch.begin(), nbranch.end(), std::back_inserter(list_ok),
 					[](std::shared_ptr<const MatchCursor> ins) { return !ins->mustStop(); });
+				// 匹配失败的
 				if (!list_ok.size())
 					list_ok = nbranch;
 			}