From 5005d4d4bd444eed25e3d60bef6ced160a84bb5b Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Wed, 30 Jul 2014 10:18:53 +0200
Subject: Support for abstract complex types

---
 xsd-frontend/parser.cxx                 | 11 +++++++++--
 xsd-frontend/semantic-graph/complex.cxx |  9 ++++++---
 xsd-frontend/semantic-graph/complex.hxx |  9 ++++++++-
 3 files changed, 23 insertions(+), 6 deletions(-)

diff --git a/xsd-frontend/parser.cxx b/xsd-frontend/parser.cxx
index 6b582ab..6a37475 100644
--- a/xsd-frontend/parser.cxx
+++ b/xsd-frontend/parser.cxx
@@ -3148,7 +3148,10 @@ namespace XSDFrontend
       pop_scope ();
     else
     {
-      Complex& node (s_->new_node<Complex> (file (), t.line (), t.column ()));
+      // Really a simple type so not abstract/mixed checks.
+      //
+      Complex& node (s_->new_node<Complex> (
+                       file (), t.line (), t.column (), false));
 
       if (base_type)
         restricts = &s_->new_edge<Restricts> (node, *base_type);
@@ -3202,7 +3205,11 @@ namespace XSDFrontend
   {
     Type* r (0);
 
-    Complex& node (s_->new_node<Complex> (file (), t.line (), t.column ()));
+    String abs_s (trim (t["abstract"]));
+    bool abs (abs_s == L"true" || abs_s == L"1");
+
+    Complex& node (s_->new_node<Complex> (
+                     file (), t.line (), t.column (), abs));
 
     if (String m = trim (t["mixed"]))
       node.mixed_p (m == L"true" || m == L"1");
diff --git a/xsd-frontend/semantic-graph/complex.cxx b/xsd-frontend/semantic-graph/complex.cxx
index 8433a0e..5ac1d6f 100644
--- a/xsd-frontend/semantic-graph/complex.cxx
+++ b/xsd-frontend/semantic-graph/complex.cxx
@@ -12,14 +12,17 @@ namespace XSDFrontend
   {
     Complex::
     Complex ()
-        : mixed_ (false), contains_compositor_ (0)
+        : abstract_ (false), mixed_ (false), contains_compositor_ (0)
     {
     }
 
     Complex::
-    Complex (Path const& file, unsigned long line, unsigned long column)
+    Complex (Path const& file,
+             unsigned long line,
+             unsigned long column,
+             bool abstract)
         : Node (file, line, column),
-          mixed_ (false), contains_compositor_ (0)
+          abstract_ (abstract), mixed_ (false), contains_compositor_ (0)
     {
     }
 
diff --git a/xsd-frontend/semantic-graph/complex.hxx b/xsd-frontend/semantic-graph/complex.hxx
index ac47810..c04de74 100644
--- a/xsd-frontend/semantic-graph/complex.hxx
+++ b/xsd-frontend/semantic-graph/complex.hxx
@@ -16,6 +16,9 @@ namespace XSDFrontend
     {
     public:
       bool
+      abstract_p () const {return abstract_;}
+
+      bool
       mixed_p () const
       {
         if (mixed_)
@@ -55,7 +58,10 @@ namespace XSDFrontend
       }
 
     public:
-      Complex (Path const& file, unsigned long line, unsigned long column);
+      Complex (Path const& file,
+               unsigned long line,
+               unsigned long column,
+               bool abstract);
 
       void
       add_edge_left (ContainsCompositor& e)
@@ -78,6 +84,7 @@ namespace XSDFrontend
       Complex (); // For virtual inheritance (Enumeration).
 
     private:
+      bool abstract_;
       bool mixed_;
       ContainsCompositor* contains_compositor_;
     };
-- 
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