From 1cec19df78318aee1330b611c6de58d128c205c4 Mon Sep 17 00:00:00 2001
From: Robin Haberkorn <robin.haberkorn@googlemail.com>
Date: Sun, 20 Nov 2016 00:21:42 +0100
Subject: fixed interpretation of the Q-Register specification ".."

 * From what the documentation says, a dot may only be used
   once to introduce a local Q-Register specification.
   The parser was accepting arbitrarily many dots though.
 * Now, ".." will refer to the local register ".".
---
 src/qregisters.cpp | 9 ++++++---
 1 file changed, 6 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/qregisters.cpp b/src/qregisters.cpp
index 23d7fc4..f6c89a8 100644
--- a/src/qregisters.cpp
+++ b/src/qregisters.cpp
@@ -990,9 +990,6 @@ QRegSpecMachine::input(gchar chr, QRegister *&result)
 
 MICROSTATE_START;
 	switch (chr) {
-	case '.':
-		undo.push_var(is_local) = true;
-		break;
 	case '#':
 		set(&&StateFirstChar);
 		break;
@@ -1000,6 +997,12 @@ MICROSTATE_START;
 		set(&&StateString);
 		undo.push_var(nesting)++;
 		break;
+	case '.':
+		if (!is_local) {
+			undo.push_var(is_local) = true;
+			break;
+		}
+		/* fall through */
 	default:
 		undo.push_str(name) = String::chrdup(String::toupper(chr));
 		goto done;
-- 
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