From 906edbb74f1a4687a759e354b3e52212a724d6ba Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Tue, 18 Mar 2014 14:27:56 -0400
Subject: Output: Use typedef name for anonymous enum

When an enum has no name but does have a typedef, use the typedef name.
---
 src/Output.cxx                                              |  8 +++++++-
 test/CMakeLists.txt                                         |  2 ++
 test/expect/gccxml.Enumeration-anonymous-xml.txt            | 10 ++++++++++
 test/expect/gccxml.Typedef-to-Enumeration-anonymous-xml.txt |  7 +++++++
 test/input/Enumeration-anonymous.cxx                        |  6 ++++++
 test/input/Typedef-to-Enumeration-anonymous.cxx             |  2 ++
 6 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 test/expect/gccxml.Enumeration-anonymous-xml.txt
 create mode 100644 test/expect/gccxml.Typedef-to-Enumeration-anonymous-xml.txt
 create mode 100644 test/input/Enumeration-anonymous.cxx
 create mode 100644 test/input/Typedef-to-Enumeration-anonymous.cxx

diff --git a/src/Output.cxx b/src/Output.cxx
index b988560..e3a8ffb 100644
--- a/src/Output.cxx
+++ b/src/Output.cxx
@@ -1174,7 +1174,13 @@ void ASTVisitor::OutputEnumDecl(clang::EnumDecl const* d, DumpNode const* dn)
 {
   this->OS << "  <Enumeration";
   this->PrintIdAttribute(dn);
-  this->PrintNameAttribute(d->getName().str());
+  std::string name = d->getName().str();
+  if(name.empty()) {
+    if(clang::TypedefNameDecl const* td = d->getTypedefNameForAnonDecl()) {
+      name = td->getName().str();
+    }
+  }
+  this->PrintNameAttribute(name);
   this->PrintContextAttribute(d);
   this->PrintLocationAttribute(d);
   clang::EnumDecl::enumerator_iterator enum_begin = d->enumerator_begin();
diff --git a/test/CMakeLists.txt b/test/CMakeLists.txt
index ec842d2..6fc5cf8 100644
--- a/test/CMakeLists.txt
+++ b/test/CMakeLists.txt
@@ -95,6 +95,7 @@ castxml_test_gccxml(Class-template-bases)
 castxml_test_gccxml(Class-template-member-template)
 castxml_test_gccxml(CvQualifiedType)
 castxml_test_gccxml(Enumeration)
+castxml_test_gccxml(Enumeration-anonymous)
 castxml_test_gccxml(Field)
 castxml_test_gccxml(Function)
 castxml_test_gccxml(Function-Argument-default)
@@ -118,6 +119,7 @@ castxml_test_gccxml(ReferenceType)
 castxml_test_gccxml(Typedef-paren)
 castxml_test_gccxml(Typedef-to-Class-template)
 castxml_test_gccxml(Typedef-to-Enumeration)
+castxml_test_gccxml(Typedef-to-Enumeration-anonymous)
 castxml_test_gccxml(Variable)
 castxml_test_gccxml(Variable-in-Class)
 castxml_test_gccxml(Variable-init)
diff --git a/test/expect/gccxml.Enumeration-anonymous-xml.txt b/test/expect/gccxml.Enumeration-anonymous-xml.txt
new file mode 100644
index 0000000..385975b
--- /dev/null
+++ b/test/expect/gccxml.Enumeration-anonymous-xml.txt
@@ -0,0 +1,10 @@
+^<\?xml version="1.0"\?>
+<GCC_XML[^>]*>
+  <Namespace id="_1" name="start" context="_2" members="_3"/>
+  <Enumeration id="_3" name="" context="_1" location="f1:2" file="f1" line="2">
+    <EnumValue name="ev0" init="0"/>
+    <EnumValue name="ev1" init="1"/>
+  </Enumeration>
+  <Namespace id="_2" name="::"/>
+  <File id="f1" name=".*/test/input/Enumeration-anonymous.cxx"/>
+</GCC_XML>$
diff --git a/test/expect/gccxml.Typedef-to-Enumeration-anonymous-xml.txt b/test/expect/gccxml.Typedef-to-Enumeration-anonymous-xml.txt
new file mode 100644
index 0000000..bb21d49
--- /dev/null
+++ b/test/expect/gccxml.Typedef-to-Enumeration-anonymous-xml.txt
@@ -0,0 +1,7 @@
+^<\?xml version="1.0"\?>
+<GCC_XML[^>]*>
+  <Typedef id="_1" name="start" type="_2" context="_3" location="f1:2" file="f1" line="2"/>
+  <Enumeration id="_2" name="start" context="_3" location="f1:1" file="f1" line="1"/>
+  <Namespace id="_3" name="::"/>
+  <File id="f1" name=".*/test/input/Typedef-to-Enumeration-anonymous.cxx"/>
+</GCC_XML>$
diff --git a/test/input/Enumeration-anonymous.cxx b/test/input/Enumeration-anonymous.cxx
new file mode 100644
index 0000000..f1325d1
--- /dev/null
+++ b/test/input/Enumeration-anonymous.cxx
@@ -0,0 +1,6 @@
+namespace start {
+  enum {
+    ev0,
+    ev1
+  };
+}
diff --git a/test/input/Typedef-to-Enumeration-anonymous.cxx b/test/input/Typedef-to-Enumeration-anonymous.cxx
new file mode 100644
index 0000000..cf5f26f
--- /dev/null
+++ b/test/input/Typedef-to-Enumeration-anonymous.cxx
@@ -0,0 +1,2 @@
+typedef enum {
+} start;
-- 
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