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-rw-r--r--ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp146
1 files changed, 146 insertions, 0 deletions
diff --git a/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp b/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp
new file mode 100644
index 00000000000..c17693c7226
--- /dev/null
+++ b/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp
@@ -0,0 +1,146 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+// TAO IDL
+//
+// = FILENAME
+// typedef_cs.cpp
+//
+// = DESCRIPTION
+// Visitor generating code for Typedef in the client stubs
+//
+// = AUTHOR
+// Aniruddha Gokhale
+//
+// ============================================================================
+
+ACE_RCSID (be_visitor_typedef,
+ typedef_cs,
+ "$Id$")
+
+// ******************************************************
+// Typedef visitor for client stubs
+// ******************************************************
+
+be_visitor_typedef_cs::be_visitor_typedef_cs (be_visitor_context *ctx)
+ : be_visitor_typedef (ctx)
+{
+}
+
+be_visitor_typedef_cs::~be_visitor_typedef_cs (void)
+{
+}
+
+int
+be_visitor_typedef_cs::visit_typedef (be_typedef *node)
+{
+ // In general, we may have a chain of typedefs. i.e.,
+ // typedef sequence<long> X;
+ // typedef X Y;
+ // typedef Y Z; and so on
+ // The first time we will be in will be for node Z for which the code
+ // generation has to take place. However, it is not enough to just generate
+ // code that looks like -
+ // typedef Y Z;
+ // For different types (in this case we have a sequence), we will need
+ // typedefs for the _var and _out types for Z. If it had been an array, we
+ // will additionally have the _forany type as well as inlined *_alloc
+ // methods.
+ //
+ // Finally, we need to differentiate between the case where we were
+ // generating code for
+ // typedef sequence<long> X; and
+ // typedef Y Z; where Y was somehow aliased to the sequence. In the former
+ // case, we will need to generate all the code for sequence<long> or whatever
+ // the type maybe. In the latter, we just need typedefs for the type and all
+ // associated _var, _out, and other types.
+
+ be_type *bt = 0; // base type
+
+ if (this->ctx_->tdef ())
+ {
+ // The fact that we are here indicates that we were generating code for a
+ // typedef node whose base type also happens to be another typedef-ed
+ // (i.e. an alias) node for another (possibly alias) node.
+
+ this->ctx_->alias (node); // save this alias
+
+ // Grab the most primitive base type in the chain to avoid recusrsively
+ // going thru this visit method.
+ bt = node->primitive_base_type ();
+
+ if (!bt)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "bad primitive base type\n"),
+ -1);
+ }
+
+ // Accept on this base type.
+ if (bt->accept (this) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "failed to accept visitor\n"),
+ -1);
+ }
+
+ this->ctx_->alias (0);
+ }
+ else
+ {
+ // The context has not stored any "tdef" node. So we must be in here for
+ // the first time.
+ this->ctx_->tdef (node);
+
+ // Grab the immediate base type node.
+ bt = be_type::narrow_from_decl (node->base_type ());
+
+ if (!bt)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "bad base type\n"),
+ -1);
+ }
+
+ // Accept on this base type.
+ if (bt->accept (this) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_ch::"
+ "visit_typedef - "
+ "failed to accept visitor\n"),
+ -1);
+ }
+
+ if (!node->imported () && be_global->tc_support ())
+ {
+ be_visitor_context ctx (*this->ctx_);
+ // ctx.sub_state (TAO_CodeGen::TAO_TC_DEFN_TYPECODE);
+ TAO::be_visitor_alias_typecode visitor (&ctx);
+
+ if (node->accept (&visitor) == -1)
+ {
+ ACE_ERROR_RETURN ((LM_ERROR,
+ "(%N:%l) be_visitor_typedef_cs::"
+ "visit_typedef - "
+ "TypeCode definition failed\n"),
+ -1);
+ }
+
+ }
+
+ this->ctx_->tdef (0);
+ }
+
+ return 0;
+}