From 13e11b2fafe60cad7d04d80c602adc12d6080036 Mon Sep 17 00:00:00 2001
From: Tavian Barnes <tavianator@gmail.com>
Date: Fri, 22 Apr 2011 18:24:59 -0400
Subject: Handle symbol aliases in dmnsn_find_symbol() directly.

Fixes infinite loops when macro arguments have the same name as existing
symbols.
---
 tests/dimension/directives.pov | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'tests/dimension/directives.pov')

diff --git a/tests/dimension/directives.pov b/tests/dimension/directives.pov
index 089622c..5c3cfa3 100644
--- a/tests/dimension/directives.pov
+++ b/tests/dimension/directives.pov
@@ -64,6 +64,18 @@
   Inc(Counter)
 #end
 
+// Test macro parameters with the same name as existing variables
+#declare Test1 = 0;
+#declare Test2 = 1;
+#declare Test3 = 2;
+#macro ScopeTest(Test1, Test2, Test3)
+  #declare Test1 = Test2 - Test3;
+#end
+ScopeTest(Test1, Test3, Test2)
+sphere {
+  0, Test1
+}
+
 #declare Box =
   box {
     <-1, -1, -1>, <1, 1, 1>
-- 
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