Wed Jun 9 19:19:43 1999 Alexander Babu Arulanthu <alex@cs.wustl.edu>

4 files changed, 350 insertions, 0 deletions

diff --git a/TAO/TAO_IDL/be/be_visitor_operation/arglist_ami.cpp b/TAO/TAO_IDL/be/be_visitor_operation/arglist_ami.cpp
new file mode 100644
index 00000000000..028ffd9c55d
--- /dev/null
+++ b/TAO/TAO_IDL/be/be_visitor_operation/arglist_ami.cpp
@@ -0,0 +1,152 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    arglist_ami.cpp
+//
+// = DESCRIPTION
+//    Visitor generating code for the parameter list of the Operation signature.
+//
+// = AUTHOR
+//    Alexander Babu Arulanthu <alex@cs.wustl.edu> 
+//
+// ============================================================================
+
+#include	"idl.h"
+#include	"idl_extern.h"
+#include	"be.h"
+
+#include "be_visitor_operation.h"
+
+ACE_RCSID(be_visitor_operation, arglist_ami, "$Id$")
+
+
+// ************************************************************
+//   operation visitor  to generate the argument list for the AMI
+//   stub. 
+//   We have separated code generation for this from the 4 main
+//   visitors to avoid code duplication and tight coupling
+  // ************************************************************
+  
+be_visitor_operation_arglist_ami::be_visitor_operation_arglist_ami (be_visitor_context
+                                                                    *ctx)
+  : be_visitor_scope (ctx)
+{
+}
+
+be_visitor_operation_arglist_ami::~be_visitor_operation_arglist_ami (void)
+{
+}
+
+int
+be_visitor_operation_arglist_ami::visit_operation (be_operation *node)
+{
+  TAO_OutStream *os = this->ctx_->stream ();
+  
+  *os << " (" << be_idt << be_idt << "\n";
+
+  // all we do is hand over code generation to our scope
+  if (this->visit_scope (node) == -1)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_arglist_ami::"
+                         "visit_operation - "
+                         "codegen for scope failed\n"),
+                        -1);
+    }
+  
+  // Last argument - is always CORBA::Environment.
+  os->indent ();
+  *os << "CORBA::Environment &ACE_TRY_ENV";
+  *os << " = " << be_idt_nl
+      << "TAO_default_environment ()"
+      << be_uidt;
+  
+  // Done with the argument list.
+  *os << be_uidt_nl << ")" << be_uidt << "\n";
+  
+  return 0;
+}
+
+int
+be_visitor_operation_arglist_ami::visit_argument (be_argument *node)
+{
+  // Get the visitor that will dump the argument's mapping in the operation
+  // signature.
+  be_visitor_context ctx (*this->ctx_);
+
+  // First grab the interface definition inside which this operation is
+  // defined. We need this since argument types may very well be declared
+  // inside the scope of the interface node. In such cases, we would like to
+  // generate the appropriate relative scoped names.
+  be_operation *op = this->ctx_->be_scope_as_operation ();
+  if (!op)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_arglist_ami::"
+                         "visit_argument - "
+                         "Bad operation\n"),
+                        -1);
+    }
+
+  // We need the interface node in which this operation was defined. However,
+  // if this operation node was an attribute node in disguise, we get this
+  // information from the context
+  be_interface *intf;
+  intf = this->ctx_->attribute ()
+    ? be_interface::narrow_from_scope (this->ctx_->attribute ()->defined_in ())
+    : be_interface::narrow_from_scope (op->defined_in ());
+
+  if (!intf)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_arglist_ami::"
+                         "visit_argument - "
+                         "Bad interface\n"),
+                        -1);
+    }
+  ctx.scope (intf); // set new scope
+
+  switch (this->ctx_->state ())
+    {
+    case TAO_CodeGen::TAO_OPERATION_ARGLIST_AMI:
+      ctx.state (TAO_CodeGen::TAO_ARGUMENT_ARGLIST_AMI);
+      break;
+    default:
+      {
+        ACE_ERROR_RETURN ((LM_ERROR,
+                           "(%N:%l) be_visitor_arglist_ami::"
+                           "visit_argument - "
+                           "Bad context\n"),
+                          -1);
+      }
+    }
+
+  // grab a visitor
+  be_visitor *visitor = tao_cg->make_visitor (&ctx);
+  if (!visitor)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_arglist_ami::"
+                         "visit_argument - "
+                         "Bad visitor\n"),
+                        -1);
+    }
+  if (node->accept (visitor) == -1)
+    {
+      delete visitor;
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_arglist_ami::"
+                         "visit_argument - "
+                         "codegen for arglist_ami failed\n"),
+                        -1);
+    }
+  delete visitor;
+  return 0;
+}
diff --git a/TAO/TAO_IDL/be/be_visitor_operation/operation_ami.cpp b/TAO/TAO_IDL/be/be_visitor_operation/operation_ami.cpp
new file mode 100644
index 00000000000..b6e33ac7934
--- /dev/null
+++ b/TAO/TAO_IDL/be/be_visitor_operation/operation_ami.cpp
@@ -0,0 +1,93 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    operation_ami.cpp
+//
+// = DESCRIPTION
+//    Visitor generating AMI stub code for Operation node in the
+//    client header.  
+//
+// = AUTHOR
+//    Alexander Babu Arulanthu <alex@cs.wustl.edu>
+//
+// ============================================================================
+
+#include        "idl.h"
+#include        "idl_extern.h"
+#include        "be.h"
+
+#include "be_visitor_operation.h"
+
+ACE_RCSID(be_visitor_operation, operation_ami, "$Id$")
+  
+
+// ******************************************************
+// Visitor for generating AMI stub for "operation" in client header.
+// ******************************************************
+  
+be_visitor_operation_ami::be_visitor_operation_ami (be_visitor_context *ctx)
+  : be_visitor_operation (ctx)
+{
+}
+
+be_visitor_operation_ami::~be_visitor_operation_ami (void)
+{
+}
+
+int
+be_visitor_operation_ami::visit_operation (be_operation *node)
+{
+  TAO_OutStream *os; // output stream
+
+  os = this->ctx_->stream ();
+  this->ctx_->node (node); // save the node
+
+  os->indent (); // start with the current indentation level
+
+  // every operation is declared virtual in the client code
+  *os << "virtual ";
+
+  // STEP I: Return type is void.
+  *os << "void ";
+  
+  // STEP 2: generate the operation name.
+  
+  // First the sendc prefix.
+  *os << "sendc_";
+  *os << node->local_name ();
+
+  // STEP 3: generate the argument list with the appropriate
+  //         mapping. For these we grab a visitor that generates the
+  //         parameter listing.
+  be_visitor_context ctx (*this->ctx_);
+  ctx.state (TAO_CodeGen::TAO_OPERATION_ARGLIST_AMI);
+  be_visitor *visitor = tao_cg->make_visitor (&ctx);
+  if (!visitor)
+    {
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "be_visitor_operation_ami::"
+                         "visit_operation - "
+                         "Bad visitor to return type\n"),
+                        -1);
+    }
+
+  if (node->accept (visitor) == -1)
+    {
+      delete visitor;
+      ACE_ERROR_RETURN ((LM_ERROR,
+                         "(%N:%l) be_visitor_operation_ami::"
+                         "visit_operation - "
+                         "codegen for argument list failed\n"),
+                        -1);
+    }
+  delete visitor;
+
+  return 0;
+}
diff --git a/TAO/TAO_IDL/be_include/be_visitor_operation/arglist_ami.h b/TAO/TAO_IDL/be_include/be_visitor_operation/arglist_ami.h
new file mode 100644
index 00000000000..532e6463974
--- /dev/null
+++ b/TAO/TAO_IDL/be_include/be_visitor_operation/arglist_ami.h
@@ -0,0 +1,54 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    arglist_ami.h
+//
+// = DESCRIPTION
+//    Visitor for generating IDL Stub code for IDL operations. This
+//    generates the operation signature for the IDL stub. 
+//
+// = AUTHOR
+//    Alexander Babu Arulanthu <alex@cs.wustl.edu>
+//
+// ============================================================================
+
+#ifndef _BE_VISITOR_OPERATION_ARGLIST_AMI_H_
+#define _BE_VISITOR_OPERATION_ARGLIST_AMI_H_
+
+// ******************************************************************************
+// Operation visitor for argument list - generates parameters in the signature
+// ******************************************************************************
+
+class be_visitor_operation_arglist_ami : public be_visitor_scope
+{
+  //
+  // = TITLE
+  //     be_visitor_operaion_arglist_ami
+  //
+  // = DESCRIPTION
+  //     This is a visitor to generate operation argument list for an
+  //     AMI stub.
+  //
+  //
+public:
+  be_visitor_operation_arglist_ami (be_visitor_context *ctx);
+  // constructor
+
+  ~be_visitor_operation_arglist_ami (void);
+  // destructor
+
+  int visit_operation (be_operation *node);
+  // visit the operation
+
+  int visit_argument (be_argument *node);
+  // visit each argument
+};
+
+#endif /* _BE_VISITOR_OPERATION_ARGLIST_AMI_H_ */
diff --git a/TAO/TAO_IDL/be_include/be_visitor_operation/operation_ami.h b/TAO/TAO_IDL/be_include/be_visitor_operation/operation_ami.h
new file mode 100644
index 00000000000..f2003a6db22
--- /dev/null
+++ b/TAO/TAO_IDL/be_include/be_visitor_operation/operation_ami.h
@@ -0,0 +1,51 @@
+//
+// $Id$
+//
+
+// ============================================================================
+//
+// = LIBRARY
+//    TAO IDL
+//
+// = FILENAME
+//    operation_ami.h
+//
+// = DESCRIPTION
+//    Visitor for generating AMI stub code for IDL operations in
+//    client header.  
+//
+// = AUTHOR
+//    Alexander Babu Arulanthu <alex@cs.wustl.edu>
+//
+// ============================================================================
+
+#ifndef _BE_VISITOR_OPERATION_OPERATION_AMI_H_
+#define _BE_VISITOR_OPERATION_OPERATION_AMI_H_
+
+// ************************************************************
+// Operation visitor to generate AMI stubs for client header
+// ************************************************************
+
+class be_visitor_operation_ami : public be_visitor_operation
+{
+  //
+  // = TITLE
+  //     be_visitor_operation_ami.
+  //
+  // = DESCRIPTION
+  //     This is a concrete visitor to generate the AMI stubs in the
+  //     client header for operation.
+  //
+  //
+public:
+  be_visitor_operation_ami (be_visitor_context *ctx);
+  // constructor
+
+  ~be_visitor_operation_ami (void);
+  // destructor
+
+  virtual int visit_operation (be_operation *node);
+  // visit operation.
+};
+
+#endif /* _BE_VISITOR_OPERATION_OPERATION_AMI_H_ */