diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_sequence.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_sequence.cpp | 444 |
1 files changed, 0 insertions, 444 deletions
diff --git a/TAO/TAO_IDL/be/be_sequence.cpp b/TAO/TAO_IDL/be/be_sequence.cpp deleted file mode 100644 index fa7645f2901..00000000000 --- a/TAO/TAO_IDL/be/be_sequence.cpp +++ /dev/null @@ -1,444 +0,0 @@ -// $Id$ - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// be_sequence.cpp -// -// = DESCRIPTION -// Extension of class AST_Sequence 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" -#include "be_visitor_sequence.h" - -ACE_RCSID(be, be_sequence, "$Id$") - - -/* - * BE_Sequence - */ -be_sequence::be_sequence (void) - : mt_ (be_sequence::MNG_UNKNOWN) -{ - this->size_type (be_decl::VARIABLE); // always the case -} - -be_sequence::be_sequence (AST_Expression *v, AST_Type *t) - : AST_Sequence (v, t), - AST_Decl (AST_Decl::NT_sequence, - NULL, - NULL), - mt_ (be_sequence::MNG_UNKNOWN) -{ - // check if we are bounded or unbounded. An expression value of 0 means - // unbounded - if (v->ev ()->u.ulval == 0) - { - this->unbounded_ = I_TRUE; - } - else - { - this->unbounded_ = I_FALSE; - } - - this->size_type (be_decl::VARIABLE); // a sequence data type is always - // VARIABLE -} - -idl_bool -be_sequence::unbounded (void) const -{ - return this->unbounded_; -} - -// helper to create_name -char * -be_sequence::gen_name (void) -{ - char namebuf [NAMEBUFSIZE]; - be_type *bt; // base type; - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); // reset the buffer - // retrieve the base type - bt = be_type::narrow_from_decl (this->base_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_sequence::" - "gen_name - " - "bad base type\n"), - 0); - } - if (bt->node_type () == AST_Decl::NT_sequence) - { - // our base type is an anonymous sequence - be_sequence *seq; - seq = be_sequence::narrow_from_decl (bt); - if (!seq) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_sequence::" - "gen_name - " - "error converting base type to sequence\n"), - 0); - } - seq->set_defined_in (this); // set ourselves as its parent - this->fe_add_sequence (seq); // add the child to our scope - ACE_OS::sprintf (namebuf, "_tao_seq_%s", seq->gen_name ()); - } - else - { - ACE_OS::sprintf (namebuf, "_tao_seq_%s", bt->local_name ()->get_string ()); - } - // append the size (if any) - if (!this->unbounded_) - { - ACE_OS::sprintf (namebuf, "%s_%d", namebuf, this->max_size ()->ev - ()->u.ulval); - } - return ACE_OS::strdup (namebuf); -} - -// create a name for ourselves -int -be_sequence::create_name (be_typedef *node) -{ - static char namebuf [NAMEBUFSIZE]; - UTL_ScopedName *n = NULL; - be_decl *scope; // scope in which we are defined - - // if there is a typedef node, we use its name as our name - if (node) - { - n = (UTL_ScopedName *)node->name ()->copy (); - this->set_name (n); // set our name - } - else - { - - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); // reset the buffer - ACE_OS::strcpy (namebuf, this->gen_name ()); // generate a local name - - // now see if we have a fully scoped name and if so, generate one - scope = be_scope::narrow_from_scope (this->defined_in ())->decl (); - if (scope) - { - // make a copy of the enclosing scope's name - n = (UTL_ScopedName *)scope->name ()->copy () ; - - // add our local name as the last component - n->nconc (new UTL_ScopedName (new Identifier (ACE_OS::strdup - (namebuf), 1, - 0, I_FALSE), - NULL)); - // set the fully scoped name - this->set_name (n); - } - else - { - // We better be not here because we must be inside some scope, - // atleast the ROOT scope. - return -1; - } - } - return 0; -} - -// Does this sequence have a managed type sequence element? -be_sequence::MANAGED_TYPE -be_sequence::managed_type (void) -{ - if (this->mt_ == be_sequence::MNG_UNKNOWN) // not calculated yet - { - be_type *bt, *prim_type; // base types - - bt = be_type::narrow_from_decl (this->base_type ()); - - if (bt->node_type () == AST_Decl::NT_typedef) - { - // get the primitive base type of this typedef node - be_typedef *t = be_typedef::narrow_from_decl (bt); - prim_type = t->primitive_base_type (); - } - else - prim_type = bt; - - // determine if we need a managed type and which one - switch (prim_type->node_type ()) - { - case AST_Decl::NT_interface: - case AST_Decl::NT_interface_fwd: - this->mt_ = be_sequence::MNG_OBJREF; - break; - case AST_Decl::NT_string: - this->mt_ = be_sequence::MNG_STRING; - break; - case AST_Decl::NT_pre_defined: - { - be_predefined_type *bpd = be_predefined_type::narrow_from_decl - (prim_type); - if (bpd->pt () == AST_PredefinedType::PT_pseudo) - { - this->mt_ = be_sequence::MNG_OBJREF; - } - else - { - this->mt_ = be_sequence::MNG_NONE; - } - } - break; - default: - this->mt_ = be_sequence::MNG_NONE; - } // end of switch - } - return this->mt_; -} - -// generate typecode. -// Typecode for sequences comprises the enumerated value followed by the -// encapsulation of the parameters - -int -be_sequence::gen_typecode (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - cs = cg->client_stubs (); - cs->indent (); // start from whatever indentation level we were at - - *cs << "CORBA::tk_sequence, // typecode kind" << nl; - *cs << this->tc_encap_len () << ", // encapsulation length\n"; - // now emit the encapsulation - return this->gen_encapsulation (); -} - -// generate encapsulation -// An encapsulation for ourselves will be necessary when we are part of some -// other IDL type and a typecode for that other type is being generated. This -// will comprise our typecode kind. IDL types with parameters will additionally -// have the encapsulation length and the entire typecode description - -int -be_sequence::gen_encapsulation (void) -{ - TAO_OutStream *os; // output stream - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - be_type *bt; // base type - - os = cg->client_stubs (); - os->incr_indent (); - - *os << "TAO_ENCAP_BYTE_ORDER, // byte order\n"; - - // emit typecode of element type - bt = be_type::narrow_from_decl (this->base_type ()); - if (!bt || (bt->gen_typecode () == -1)) - { - ACE_ERROR ((LM_ERROR, "be_sequence::gen_typecode - bad base type\n")); - return -1; - } - - // emit the length - os->decr_indent (); - *os << this->max_size () << ",\n"; - return 0; -} - -// compute typecode size -long -be_sequence::tc_size (void) -{ - // 4 bytes for enumeration, 4 bytes for storing encap length val, followed by the - // actual encapsulation length - return 4 + 4 + this->tc_encap_len (); -} - -long -be_sequence::tc_encap_len (void) -{ - if (this->encap_len_ == -1) // not computed yet - { - be_type *bt; // base type - - this->encap_len_ = 4; // holds the byte order flag - // add the encapsulation length of our base type - bt = be_type::narrow_from_decl (this->base_type ()); - if (!bt) - { - ACE_ERROR ((LM_ERROR, - "be_sequence::tc_encap_len - bad base type\n")); - return 0; - } - this->encap_len_ += bt->tc_size (); - this->encap_len_ += 4; // to hold the max size - - } - return this->encap_len_; -} - -/* - * Add this be_sequence to the locally defined types in this scope - */ -AST_Sequence * -be_sequence::fe_add_sequence (AST_Sequence *t) -{ - if (t == NULL) - return NULL; - - this->add_to_local_types(t); - return t; -} - -// overridden method -be_decl * -be_sequence::decl (void) -{ - return this; -} - -int -be_sequence::accept (be_visitor *visitor) -{ - return visitor->visit_sequence (this); -} - - -const char * -be_sequence::instance_name () -{ - static char namebuf[NAMEBUFSIZE]; - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - - be_type *bt; - bt = be_type::narrow_from_decl (this->base_type ()); - if (!bt) - { - ACE_DEBUG ((LM_ERROR, - "(%N:%l) be_visitor_sequence_ch::" - "gen_instantiate_name - " - "Bad element type\n")); - return namebuf; - } - - // generate the class name - - // the base type after removing all the aliases - be_type *prim_type = bt; - if (bt->node_type () == AST_Decl::NT_typedef) - { - // get the primitive base type of this typedef node - be_typedef *t = be_typedef::narrow_from_decl (bt); - prim_type = t->primitive_base_type (); - } - - // generate the appropriate sequence type - switch (this->managed_type ()) - { - case be_sequence::MNG_OBJREF: // sequence of objrefs - if (this->unbounded ()) - ACE_OS::sprintf (namebuf, - "_TAO_Unbounded_Object_Sequence_%s", - this->flatname()); - else - ACE_OS::sprintf (namebuf, - "_TAO_Bounded_Object_Sequence_%s_%d", - this->flatname(), - this->max_size ()->ev()->u.ulval); - break; - case be_sequence::MNG_STRING: // sequence of strings - if (this->unbounded ()) - ACE_OS::sprintf (namebuf, - "TAO_Unbounded_String_Sequence"); - else - ACE_OS::sprintf (namebuf, - "_TAO_Bounded_String_Sequence_%s", - this->flatname()); - break; - default: // not a managed type - if (this->unbounded ()) - { - // TAO provides extensions for octet sequences, first find out - // if the base type is an octet (or an alias for octet) - be_predefined_type *predef = - be_predefined_type::narrow_from_decl (prim_type); - if (predef != 0 && - predef->pt() == AST_PredefinedType::PT_octet) - ACE_OS::sprintf (namebuf, - "TAO_Unbounded_Sequence<CORBA::Octet>"); - else - ACE_OS::sprintf (namebuf, - "_TAO_Unbounded_Sequence_%s", - this->flatname()); - // or prim_type->flatname ()); - // ACE_DEBUG ((LM_DEBUG, "testing.... %d, %d = <%s>\n", - // predef, predef->pt (), namebuf)); - } - else - ACE_OS::sprintf (namebuf, - "_TAO_Bounded_Sequence_%s_%d", - this->flatname(), - //prim_type->flatname (), - this->max_size()->ev()->u.ulval); - break; - } - - return namebuf; -} - - -const char * -be_sequence::object_manager_name () -{ - static char namebuf[NAMEBUFSIZE]; - ACE_OS::memset (namebuf, '\0', NAMEBUFSIZE); - - be_type *bt; - bt = be_type::narrow_from_decl (this->base_type ()); - if (!bt) - { - ACE_DEBUG ((LM_ERROR, - "(%N:%l) be_visitor_sequence_ch::" - "gen_instantiate_name - " - "Bad element type\n")); - return namebuf; - } - - be_scope * bs = be_scope::narrow_from_scope (this->defined_in()); - - if (!bs) - { - ACE_DEBUG ((LM_ERROR, - "(%N:%l) be_visitor_sequence_ch::" - "gen_instantiate_name - " - "Bad element type\n")); - return namebuf; - } - - ACE_OS::sprintf (namebuf, - "_TAO_Object_Manager_%s_%s", - bs->decl()->flatname(), - bt->flatname()); - - - return namebuf; -} - - -// Narrowing -IMPL_NARROW_METHODS3 (be_sequence, AST_Sequence, be_scope, be_type) -IMPL_NARROW_FROM_DECL (be_sequence) |