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|
// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_state_sequence.cpp
//
// = DESCRIPTION
// state based code generation for sequences.
//
// = AUTHOR
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
// return type for sequence
be_state_sequence::be_state_sequence (void)
{
}
// generate code for sequence type
int
be_state_sequence::gen_code (be_type *bt, be_decl *d, be_type *type)
{
TAO_OutStream *os = 0; // output stream
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
be_sequence *seq;
seq = be_sequence::narrow_from_decl (d);
if (!seq)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"Bad sequence type\n"),
-1);
}
switch (cg->state ())
{
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH:
os = cg->client_header (); // get client header stream
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
os = cg->client_stubs (); // get client stubs stream
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
os = cg->client_inline (); // get client inline stream
break;
default:
return -1;
}
if (!type) // not a recursive call
type = bt;
else // recursively called thru a typedef. "type" will have the most primitive
// base class of the typedef
ACE_ASSERT (bt->node_type () == AST_Decl::NT_typedef);
// enclosing scope in which the sequence element type occurs
be_decl *scope;
if (!bt->defined_in ()) // no outer scope for us
scope = 0;
else
{
scope = be_scope::narrow_from_scope (bt->defined_in ())->decl ();
if (!scope)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad scope for seq elem type\n"),
-1);
}
}
// for sequences, all we do is generate the type
switch (type->node_type ())
{
case AST_Decl::NT_interface: // type is an obj reference
case AST_Decl::NT_interface_fwd: // type is an obj reference
case AST_Decl::NT_string: // type is a string
{
switch (cg->state ())
{
// if it is the case of sequence base, we generate the code for
// managed types
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
if (seq->gen_managed_type_ch () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
if (seq->gen_managed_type_cs () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
if (seq->gen_managed_type_ci () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH: // managed type returned by
// operator []
{
if ((type->node_type () == AST_Decl::NT_interface)
|| (type->node_type () == AST_Decl::NT_interface_fwd))
{
if (scope)
{
*os << "ACE_NESTED_CLASS (" << scope->name () << "," <<
seq->local_name () << "::TAO_ObjRefMngType) ";
}
else
{
*os << seq->local_name () << "::TAO_ObjRefMngType ";
}
}
else // must be a string
{
if (scope)
{
*os << "ACE_NESTED_CLASS (" << scope->name () << "," <<
seq->local_name () << "::TAO_StrMngType) ";
}
else
{
*os << seq->local_name () << "::TAO_StrMngType ";
}
}
}
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
{
if ((type->node_type () == AST_Decl::NT_interface)
|| (type->node_type () == AST_Decl::NT_interface_fwd))
{
*os << seq->name () << "::TAO_ObjRefMngType ";
}
else // must be a string
{
*os << seq->name () << "::TAO_StrMngType ";
}
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
{
if ((type->node_type () == AST_Decl::NT_interface)
|| (type->node_type () == AST_Decl::NT_interface_fwd))
{
*os << bt->nested_type_name (scope, "_ptr");
}
else // must be a string
{
*os << "char *";
}
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
{
if ((type->node_type () == AST_Decl::NT_interface)
|| (type->node_type () == AST_Decl::NT_interface_fwd))
{
*os << bt->name () << "_ptr";
}
else // must be a string
{
*os << "char *";
}
}
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad state\n"),
-1);
}
}
}
break;
case AST_Decl::NT_pre_defined: // type is predefined type
{
be_predefined_type *bpd = be_predefined_type::narrow_from_decl (type);
if (!bpd)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad type\n"),
-1);
}
if (bpd->pt () == AST_PredefinedType::PT_pseudo)
{
// managed types for pseudo objs
switch (cg->state ())
{
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
if (seq->gen_managed_type_ch () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
if (seq->gen_managed_type_cs () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
if (seq->gen_managed_type_ci () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"codegen for managed type\n"),
-1);
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
*os << bt->nested_type_name (scope, "_ptr");
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
*os << bt->name () << "_ptr";
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH: // managed type returned by
// operator []
{
if (scope)
{
*os << "ACE_NESTED_CLASS (" << scope->name () << "," <<
seq->local_name () << "::TAO_ObjRefMngType ) ";
}
else
{
*os << seq->local_name () << "::TAO_ObjRefMngType ";
}
}
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
{
*os << seq->name () << "::TAO_ObjRefMngType ";
}
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad state\n"),
-1);
}
} // end switch state
} // if pseudo
else
{
// rest of the predefined types
switch (cg->state ())
{
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
// nothing to be done
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH:
*os << bt->nested_type_name (scope, " &");
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
*os << bt->nested_type_name (scope, " ");
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
*os << bt->name () << " &";
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
*os << bt->name () << " ";
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad state\n"),
-1);
}
} // end of switch
} // end else
} // end case predefined type
break;
case AST_Decl::NT_enum: // type is an enum
case AST_Decl::NT_array: // type is an array
case AST_Decl::NT_struct: // type is a struct
case AST_Decl::NT_union: // type is a union
{
switch (cg->state ())
{
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
// nothing to do because we cannot have anonymous data types here
// that are enums or structures or unions.
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
*os << bt->nested_type_name (scope, " ");
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH:
*os << bt->nested_type_name (scope, " &");
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
*os << bt->name () << " &";
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
*os << bt->name () << " ";
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad state\n"),
-1);
}
}
}
break;
case AST_Decl::NT_sequence: // type is a sequence
{
switch (cg->state ())
{
case TAO_CodeGen::TAO_SEQUENCE_BASE_CH:
{
// generate the base type sequence
if (bt->gen_client_header () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"Bad sequence type\n"),
-1);
}
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CS:
{
// generate the base type sequence
if (bt->gen_client_stubs () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"Bad sequence type\n"),
-1);
}
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BASE_CI:
{
// generate the base type sequence
if (bt->gen_client_inline () == -1)
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"Bad sequence type\n"),
-1);
}
}
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CH:
*os << bt->nested_type_name (scope, " ");
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CH:
*os << bt->nested_type_name (scope, " &");
break;
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CS:
case TAO_CodeGen::TAO_SEQELEM_RETTYPE_CI:
*os << bt->name () << " &";
break;
case TAO_CodeGen::TAO_SEQUENCE_BODY_CS:
case TAO_CodeGen::TAO_SEQUENCE_BODY_CI:
*os << bt->name () << " ";
break;
default:
{
ACE_ERROR_RETURN ((LM_ERROR,
"(%N:%l) be_state_sequence.cpp - "
"bad state\n"),
-1);
}
}
}
break;
case AST_Decl::NT_except: // type is an exception
{
// XXXASG: Is this case valid ???
}
break;
case AST_Decl::NT_typedef: // type is a typedef
{
be_type *temp; // most primitive base type
be_typedef *t = be_typedef::narrow_from_decl (bt);
if (!t)
return -1;
temp = t->primitive_base_type ();
// make a recursive call
return this->gen_code (t, d, temp);
}
//break; unreachable statement!
} // end of switch
return 0;
}
|
