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// $Id$
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_operation.cpp
//
// = DESCRIPTION
// Extension of class AST_Operation that provides additional means for C++
// mapping.
//
// = AUTHOR
// Copyright 1994-1995 by Sun Microsystems, Inc.
// and
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
ACE_RCSID(be, be_operation, "$Id$")
be_operation::be_operation (void)
{
ACE_NEW (this->strategy_,
be_operation_default_strategy (this));
}
be_operation::be_operation (AST_Type *rt,
AST_Operation::Flags fl,
UTL_ScopedName *n,
idl_bool local,
idl_bool abstract)
: AST_Operation (rt,
fl,
n,
local,
abstract),
AST_Decl (AST_Decl::NT_op,
n),
UTL_Scope (AST_Decl::NT_op),
COMMON_Base (local,
abstract)
{
ACE_NEW (this->strategy_,
be_operation_default_strategy (this));
}
be_operation::~be_operation (void)
{
}
int
be_operation::void_return_type (void)
{
be_type* type = be_type::narrow_from_decl (this->return_type ());
if (type->node_type () == AST_Decl::NT_pre_defined
&& (be_predefined_type::narrow_from_decl (type)->pt ()
== AST_PredefinedType::PT_void))
{
return 1;
}
else
{
return 0;
}
}
be_argument *
be_operation::add_argument_to_scope (be_argument *arg)
{
this->add_to_scope (arg);
this->add_to_referenced (arg,
0,
0);
return arg;
}
// Compute the size type of the node in question.
int
be_operation::compute_size_type (void)
{
for (UTL_ScopeActiveIterator si (this, UTL_Scope::IK_decls);
!si.is_done ();
si.next ())
{
// Get the next AST decl node
AST_Decl *d = si.item ();
be_decl *bd = be_decl::narrow_from_decl (d);
if (bd != 0)
{
// Our sizetype depends on the sizetype of our members. Although
// previous value of sizetype may get overwritten, we are
// guaranteed by the "size_type" call that once the value reached
// be_decl::VARIABLE, nothing else can overwrite it.
this->size_type (bd->size_type ());
}
else
{
ACE_DEBUG ((LM_DEBUG,
"WARNING (%N:%l) be_operation::compute_size_type - "
"narrow_from_decl returned 0\n"));
}
}
return 0;
}
void
be_operation::destroy (void)
{
// Call the destroy methods of our base classes.
be_scope::destroy ();
be_decl::destroy ();
}
int
be_operation::accept (be_visitor *visitor)
{
return visitor->visit_operation (this);
}
be_operation_strategy *
be_operation::set_strategy (be_operation_strategy *new_strategy)
{
be_operation_strategy *old = this->strategy_;
if (new_strategy != 0)
{
this->strategy_ = new_strategy;
}
return old;
}
TAO_CodeGen::CG_STATE
be_operation::next_state (TAO_CodeGen::CG_STATE current_state,
int is_extra_state)
{
return this->strategy_->next_state (current_state, is_extra_state);
}
int
be_operation::has_extra_code_generation (TAO_CodeGen::CG_STATE current_state)
{
return this->strategy_->has_extra_code_generation (current_state);
}
be_operation*
be_operation::marshaling (void)
{
return this->strategy_->marshaling ();
}
be_operation*
be_operation::arguments (void)
{
return this->strategy_->arguments ();
}
// Narrowing
IMPL_NARROW_METHODS3 (be_operation, AST_Operation, be_scope, be_decl)
IMPL_NARROW_FROM_DECL (be_operation)
IMPL_NARROW_FROM_SCOPE (be_operation)
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