1 files changed, 39 insertions, 0 deletions
diff --git a/Build/source/utils/asymptote/dec.cc b/Build/source/utils/asymptote/dec.cc
index 10154609576..dc15b9d24d6 100644
--- a/Build/source/utils/asymptote/dec.cc
+++ b/Build/source/utils/asymptote/dec.cc
@@ -201,6 +201,28 @@ bool block::returns() {
       return true;
   return false;
 }
+
+vardec *block::asVardec()
+{
+  vardec *var = 0;
+  for (list<runnable *>::iterator p=stms.begin();
+       p != stms.end();
+       ++p)
+  {
+    vardec *v = dynamic_cast<vardec *>(*p);
+    if (v) {
+      if (var)
+        // Multiple vardecs.
+        return 0;
+      var = v;
+    }
+    else if (!dynamic_cast<emptyStm *>(*p))
+      // Failure due to another runnable in the block.
+      return 0;
+  }
+
+  return var;
+}
   
 
 void dec::prettyprint(ostream &out, Int indent)
@@ -570,6 +592,23 @@ void vardec::transAsTypedefField(coenv &e, record *r)
   decs->transAsTypedefField(e, base->transAsTyEntry(e, r), r);
 }
 
+symbol vardec::singleName()
+{
+  decid *did = decs->singleEntry();
+  if (!did)
+    return symbol::nullsym;
+  return did->getStart()->getName();
+}
+
+types::ty *vardec::singleGetType(coenv &e)
+{
+  decid *did = decs->singleEntry();
+  if (!did)
+    return 0;
+  return did->getStart()->getType(base->trans(e), e);
+}
+
+
 // Helper class for imports.  This essentially evaluates to the run::loadModule
 // function.  However, that function returns different types of records
 // depending on the filename given to it, so we cannot add it to the