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// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_typedef.cpp
//
// = DESCRIPTION
// Extension of class AST_Typedef 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_typedef::be_typedef (void)
{
}
be_typedef::be_typedef (AST_Type *bt, UTL_ScopedName *n, UTL_StrList *p)
: AST_Typedef (bt, n, p),
AST_Decl (AST_Decl::NT_typedef, n, p)
{
}
// given a typedef node, traverse the chain of base types until they are no
// more typedefs, and return that most primitive base type
be_type *
be_typedef::primitive_base_type (void)
{
be_type *d;
d = this;
while (d && d->node_type () == AST_Decl::NT_typedef)
{
be_typedef *temp; // temporary
temp = be_typedef::narrow_from_decl (d);
d = be_type::narrow_from_decl (temp->base_type ());
}
return d;
}
int
be_typedef::gen_client_header (void)
{
be_type *bt; // type node
be_state *s; // state based code gen object
if (!this->cli_hdr_gen_) // not already generated
{
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
cg->push (TAO_CodeGen::TAO_TYPEDEF_CH);
cg->node (this); // pass ourselves. For typedefs, this is very important,
// because other nodes's code generation may depend on
// whether they were typedefed or not.
cg->outstream (cg->client_header ());
s = cg->make_state ();
bt = be_type::narrow_from_decl (this->base_type ());
// first generate the mapping for our type. As a side effect, also
// generate the mapping for the typedef
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR ((LM_ERROR, "be_typedef: error generating code for base type\n"));
return -1;
}
cg->pop ();
this->cli_hdr_gen_ = I_TRUE;
}
return 0;
}
int
be_typedef::gen_client_stubs (void)
{
TAO_OutStream *cs; // output stream
TAO_NL nl; // end line
be_type *bt;
be_state *s; // state based code gen object
// Macro to avoid "warning: unused parameter" type warning.
ACE_UNUSED_ARG (nl);
if (!this->cli_stub_gen_)
{
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
cg->push (TAO_CodeGen::TAO_TYPEDEF_CS); // set current code gen state
cs = cg->client_stubs ();
cg->node (this); // pass ourselves. For typedefs, this is very important,
// because other nodes's code generation may depend on
// whether they were typedefed or not.
s = cg->make_state ();
bt = be_type::narrow_from_decl (this->base_type ());
// first generate the mapping for our type. As a side effect, also
// generate the mapping for the typedef
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR ((LM_ERROR, "be_typedef: error generating code for base type\n"));
return -1;
}
#if 0
// generate the typecode information here
cs->indent (); // start from current indentation level
*cs << "static const CORBA::Long _oc_" << this->flatname () << "[] =" <<
nl;
*cs << "{\n";
cs->incr_indent (0);
// note that we just need the parameters here and hence we generate the
// encapsulation for the parameters
bt = this->primitive_base_type ();
if (bt->gen_encapsulation () == -1)
{
ACE_ERROR ((LM_ERROR, "Error generating encapsulation\n\n"));
return -1;
}
cs->decr_indent ();
*cs << "};" << nl;
*cs << "static CORBA::TypeCode _tc__tc_" << this->flatname () <<
" (CORBA::tk_struct, sizeof (_oc_" << this->flatname () <<
"), (unsigned char *) &_oc_" << this->flatname () <<
", CORBA::B_FALSE);" << nl;
*cs << "CORBA::TypeCode_ptr " << this->tc_name () << " = &_tc__tc_" <<
this->flatname () << ";\n\n";
#endif
this->cli_stub_gen_ = I_TRUE;
cg->pop ();
}
return 0;
}
// Generates the client-side inline information
int
be_typedef::gen_client_inline (void)
{
be_type *bt; // type node
be_state *s; // state based code gen object
if (!this->cli_inline_gen_) // not already generated
{
// retrieve a singleton instance of the code generator
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
cg->push (TAO_CodeGen::TAO_TYPEDEF_CI);
cg->node (this); // pass ourselves
cg->outstream (cg->client_inline ());
s = cg->make_state ();
bt = be_type::narrow_from_decl (this->base_type ());
// first generate the mapping for our type
if (!s || !bt || (s->gen_code (bt, this) == -1))
{
ACE_ERROR ((LM_ERROR, "be_typedef: error generating code for base type\n"));
return -1;
}
cg->pop ();
this->cli_inline_gen_ = I_TRUE;
}
return 0;
}
int
be_typedef::gen_server_header (void)
{
return 0;
}
int
be_typedef::gen_server_skeletons (void)
{
return 0;
}
// Generates the server-side inline
int
be_typedef::gen_server_inline (void)
{
// nothing to be done
return 0;
}
int
be_typedef::gen_typecode (void)
{
return 0;
}
long
be_typedef::tc_size (void)
{
return 0;
}
int
be_typedef::gen_encapsulation (void)
{
return 0;
}
long
be_typedef::tc_encap_len (void)
{
return 0;
}
// Narrowing
IMPL_NARROW_METHODS2 (be_typedef, AST_Typedef, be_type)
IMPL_NARROW_FROM_DECL (be_typedef)
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