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//
// $Id$
//
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_visitor_scope.cpp
//
// = DESCRIPTION
// Visitor for the base be_scope node. This serves to maintain the current
// state (context) of code generation for the derived visitor.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
#include "be_visitor_scope.h"
ACE_RCSID(be, be_visitor_scope, "$Id$")
// ******************************************************
// Generic visitor for a scope.
// All elements that give rise to a scope inherit from
// this class
// ******************************************************
be_visitor_scope::be_visitor_scope (be_visitor_context *ctx)
: be_visitor_decl (ctx)
{
}
be_visitor_scope::~be_visitor_scope (void)
{
}
// visit the scope and its elements
int
be_visitor_scope::visit_scope (be_scope *node)
{
// proceed if the number of members in our scope is greater than 0
if (node->nmembers () > 0)
{
// initialize an iterator to iterate thru our scope
UTL_ScopeActiveIterator *si;
ACE_NEW_RETURN (si,
UTL_ScopeActiveIterator (node,
UTL_Scope::IK_decls),
-1);
// continue until each element is visited
while (!si->is_done ())
{
AST_Decl *d = si->item ();
if (!d)
{
delete si;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_scope::visit_scope - "
"bad node in this scope\n"), -1);
}
be_decl *bd = be_decl::narrow_from_decl (d);
// set the scope node as "node" in which the code is being generated
// so that elements in the node's scope can use it for code generation
this->ctx_->scope (node->decl ());
// set the node to be visited
this->ctx_->node (bd);
if (bd == 0 || bd->accept (this) == -1)
{
delete si;
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_visitor_scope::visit_scope - "
"codegen for scope failed\n"), -1);
}
si->next ();
if (!si->is_done ())
this->post_process (); // anything to be done after each element
// except the last one is processed?
} // end of while loop
delete si;
} // end of if
#if 0
// For debugging the prefix...
be_decl* decl = node->decl ();
ACE_DEBUG ((LM_DEBUG, "Enter scope <%s> : [%s]\n",
decl->fullname (), decl->prefix ()));
if (decl->pragmas () != 0)
{
for (UTL_StrlistActiveIterator i(decl->pragmas ());
!i.is_done ();
i.next ())
{
String* s = i.item ();
ACE_DEBUG ((LM_DEBUG, " pragma = <%s>\n", s->get_string ()));
}
}
#endif
return 0;
}
int
be_visitor_scope::post_process (void)
{
return 0;
}
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