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// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_field.cpp
//
// = DESCRIPTION
// Extension of class AST_Field 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"
/*
* BE_Field
*/
be_field::be_field (void)
{
}
be_field::be_field (AST_Type *ft, UTL_ScopedName *n, UTL_StrList *p)
: AST_Field (ft, n, p),
AST_Decl (AST_Decl::NT_field, n, p)
{
}
// ----------------------------------------
// CODE GENERATION METHODS
// ----------------------------------------
// Generates the client-side header information for the field
int
be_field::gen_client_header (void)
{
be_type *bt; // the field type
be_state *s; // code generation state
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
// retrieve field type
bt = be_type::narrow_from_decl (this->field_type ());
// make the state based object. The state has been set by the enclosing
// parent structure
s = cg->make_state ();
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_field::gen_client_header -"
"codegen failed\n"), -1);
}
return 0;
}
// Generates the client-side stubs for the field
int
be_field::gen_client_stubs (void)
{
be_type *bt; // the field type
be_state *s; // code generation state
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
// retrieve field type
bt = be_type::narrow_from_decl (this->field_type ());
// make the state based object. The state has been set by the enclosing
// parent structure
s = cg->make_state ();
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_field::gen_client_stubs -"
"codegen failed\n"), -1);
}
return 0;
}
// Generates the client-side inline information
int
be_field::gen_client_inline (void)
{
be_type *bt; // the field type
be_state *s; // code generation state
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
// retrieve field type
bt = be_type::narrow_from_decl (this->field_type ());
// make the state based object. The state has been set by the enclosing
// parent structure
s = cg->make_state ();
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_field::gen_client_inline -"
"codegen failed\n"), -1);
}
return 0;
}
// Generates the server-side header information for the field
int
be_field::gen_server_header (void)
{
// nothing to be done
return 0;
}
// Generates the server-side skeletons for the field
int
be_field::gen_server_skeletons (void)
{
// nothing to be done
return 0;
}
// Generates the server-side inline
int
be_field::gen_server_inline (void)
{
// nothing to be done
return 0;
}
int
be_field::gen_encapsulation (void)
{
TAO_OutStream *cs; // output stream
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
be_type *bt; // our type node
long i, arrlen;
long *arr; // an array holding string names converted to array of longs
cs = cg->client_stubs ();
cs->indent (); // start from whatever indentation level we were at
// generate name
*cs << (ACE_OS::strlen (this->local_name ()->get_string ())+1) << ", ";
(void)this->tc_name2long(this->local_name ()->get_string (), arr, arrlen);
for (i=0; i < arrlen; i++)
{
cs->print ("0x%x, ", arr[i]);
}
*cs << " // name = " << this->local_name () << "\n";
// hand over code generation to our type node
bt = be_type::narrow_from_decl (this->field_type ());
return bt->gen_typecode ();
}
long
be_field::tc_encap_len (void)
{
if (this->encap_len_ == -1) // not computed yet
{
be_type *bt;
// struct member is represented as the "name" followed by the typecode
this->encap_len_ = this->name_encap_len (); // for name
// add to this, the size of our typecode
bt = be_type::narrow_from_decl (this->field_type ());
this->encap_len_ += bt->tc_size (); // note that we must add typecode
// size of the type
}
return this->encap_len_;
}
// compute the size type of the node in question
int
be_field::compute_size_type (void)
{
be_type *type = be_type::narrow_from_decl (this->field_type ());
if (!type)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_field::compute_size_type - "
"bad field type\n"), -1);
}
// our size type is the same as our type
this->size_type (type->size_type ()); // as a side effect will also update
// the size type of parent
return 0;
}
// Narrowing
IMPL_NARROW_METHODS2 (be_field, AST_Field, be_decl)
IMPL_NARROW_FROM_DECL (be_field)
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