From c0370690f440f961c23297c2fe5a231727470a9c Mon Sep 17 00:00:00 2001
From: Mike Gerwitz <mike.gerwitz@rtspecialty.com>
Date: Wed, 31 Jan 2018 10:27:29 -0500
Subject: [PATCH] validate: Error on nested rate blocks (bugfix)

* src/current/compiler/validate.xsl (lvv:validate)
    [lv:rate[ancestor::lv:rate]]: Error on nested rate block.
---
 src/current/compiler/validate.xsl | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/src/current/compiler/validate.xsl b/src/current/compiler/validate.xsl
index e4dc74dc..1a483766 100644
--- a/src/current/compiler/validate.xsl
+++ b/src/current/compiler/validate.xsl
@@ -681,6 +681,24 @@
 </xsl:template>
 
 
+<!--
+  Rate block cannot be nested.
+-->
+<xsl:template mode="lvv:validate" priority="8"
+              match="lv:rate[ ancestor::lv:rate ]">
+  <xsl:variable name="within" as="element( lv:rate )"
+                select="ancestor::lv:rate[1]" />
+
+  <xsl:call-template name="lvv:error">
+    <xsl:with-param name="desc" select="'Nested rate block'" />
+    <xsl:with-param name="refnode" select="." />
+    <xsl:with-param name="content"
+                    select="concat( '`', @yields, ''' cannot be nested ',
+                                    'within `', $within/@yields, '''' )" />
+  </xsl:call-template>
+</xsl:template>
+
+
 <!--
   Throws an error if a generator is requested using unsupported data