diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_attribute.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_attribute.cpp | 662 |
1 files changed, 0 insertions, 662 deletions
diff --git a/TAO/TAO_IDL/be/be_attribute.cpp b/TAO/TAO_IDL/be/be_attribute.cpp deleted file mode 100644 index fa87112369b..00000000000 --- a/TAO/TAO_IDL/be/be_attribute.cpp +++ /dev/null @@ -1,662 +0,0 @@ -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// be_attribute.cpp -// -// = DESCRIPTION -// Extension of class AST_Attribute 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_Attribute - */ -be_attribute::be_attribute (void) -{ -} - -be_attribute::be_attribute (idl_bool ro, AST_Type *ft, UTL_ScopedName *n, - UTL_StrList *p) - : AST_Attribute (ro, ft, n, p), - AST_Field (AST_Decl::NT_attr, ft, n, p), - AST_Decl (AST_Decl::NT_attr, n, p) -{ -} - -// Handling attributes is very similar to operations. Attributes are mapped to -// two methods - one to set the value and one to get the value. For a readonly -// attribute we only have the method that retrieves the value. For the "set" -// method we pass an in parameter which is of the type of the attribute. So the -// handling here is exactly like the "in" parameters for arguments. The -// handling of the "get" method is exactly like the return values of -// operations. - -int -be_attribute::gen_client_header (void) -{ - TAO_OutStream *ch; // output stream - be_type *bt; // type node - be_state *s; // state based code gen object - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - ch = cg->client_header (); - - ch->indent (); // start with the current indentation level - - bt = be_type::narrow_from_decl (this->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_header - " - "bad type\n"), - -1); - } - - - // first the "get" method - - // the retrieve method is defined virtual - *ch << "virtual "; - - // first generate the return type - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETURN_TYPE_CH); // we are now generating - // an attribute "get" - // definition with the - // return type first - - s = cg->make_state (); // retrieve state based object - - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_header - " - "return type generation failure\n"), - -1); - } - cg->pop (); // restore previous state - - // generate the operation name - // additional argument in the form of CORBA::Environment since TAO does not - // yet support C++ style Exceptions. However, we can have an option to the - // "tao" IDL compiler to ask it to generate code for exceptions. This will be - // handled in a later release. - *ch << " " << this->local_name () << " (CORBA::Environment &env);\n"; - - // now the set method. However, this is not defined if we are readonly - if (!this->readonly ()) - { - ch->indent (); - *ch << "virtual void " << this->local_name () << "("; - - // we pass the type as an "in" parameter - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_INPARAM_TYPE_CH); - - s = cg->make_state (); // retrieve state based object - - if (!s || !bt || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_header - " - "in param type generation failure\n"), - -1); - } - cg->pop (); // restore previous state - *ch << ", CORBA::Environment &env);\n"; - } - - return 0; -} - -int -be_attribute::gen_client_stubs (void) -{ - TAO_OutStream *cs; // output stream - TAO_NL nl; // end line - be_type *bt; // type node - be_state *s; // state based code gen object - - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - cs = cg->client_stubs (); - - // retrieve the type - bt = be_type::narrow_from_decl (this->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs - " - "bad type\n"), - -1); - } - - // first the retrieve method - cs->indent (); // start with current indentation level - - // generate the TAO_Param_Data table for the "get" method - *cs << "static const TAO_Param_Data _get_" << this->flatname () << - "_paramdata [] = " << nl; - *cs << "{\n"; - cs->incr_indent (); - - // entry for the return type - *cs << "{" << bt->tc_name () << ", PARAM_RETURN, 0}"; - cs->decr_indent (); - *cs << "};\n\n"; - - // now generate the calldata table - - cs->indent (); - *cs << "static const TAO_Call_Data _get_" << this->flatname () << "_calldata = " - << nl; - *cs << "{"; - // prepend a "_get_" - *cs << "\"_get_" << this->local_name () << "\", "; - *cs << "1, "; // always a twoway call - *cs << "1, "; // size is 1 - // insert the address of the paramdata table - *cs << "_get_" << this->flatname () << "_paramdata, "; - // XXXASG - Exception list goes here (if it exists) - TODO - *cs << "0, 0};\n\n"; - - // now generate the actual stub - - // first generate the return type - cs->indent (); - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETURN_TYPE_CS); // declare a return - // type of the stub - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs - " - "return type generation failure\n"), - -1); - } - cg->pop (); - - // generate the operation name - *cs << " " << this->name () << "(CORBA::Environment &env)" << nl; - *cs << "{\n"; - cs->incr_indent (); - - // declare a return type - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETVAL_DECL_CS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs - " - "retval declaration failure\n"), - -1); - } - cg->pop (); - - // generate code that calls QueryInterface - *cs << "STUB_Object *istub;\n\n"; - cs->indent (); - *cs << "if (this->QueryInterface (IID_STUB_Object, " << - "(void **)&istub) != NOERROR)" << nl; - *cs << "{\n"; - cs->incr_indent (); - *cs << "env.exception (new CORBA::DATA_CONVERSION (CORBA::COMPLETED_NO));" << - nl; - - // return the appropriate error value on exception - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETVAL_EXCEPTION_CS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs - " - "failure returning from exception\n"), - -1); - } - cg->pop (); - - cs->decr_indent (); - *cs << "}" << nl; - *cs << "this->Release (); // QueryInterface has bumped up our refcount" << nl; - - // call do_call with appropriate number of arguments - *cs << "istub->do_call (env, &_get_" << this->flatname () << - "_calldata, &retval);" << nl; - - // return the retval - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETVAL_RETURN_CS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_operation::gen_client_stubs\n" - "return val return generation failure\n"), - -1); - return -1; - } - cg->pop (); - - cs->decr_indent (0); - *cs << "\n}\n\n"; - - if (this->readonly ()) - return 0; // we were readonly, nothing else to do. - - // Now generate the stub for the "set" method - cs->indent (); // start with current indentation level - - // generate the TAO_Param_Data table for the "set" method - *cs << "static const TAO_Param_Data _set_" << this->flatname () << - "_paramdata [] = " << nl; - *cs << "{\n"; - cs->incr_indent (); - - // entry for the return type - *cs << "{CORBA::_tc_void, PARAM_RETURN, 0}," << nl; - *cs << "{" << bt->tc_name () << ", PARAM_IN, 0}\n"; - cs->decr_indent (); - *cs << "};\n\n"; - - // now generate the calldata table - - cs->indent (); - *cs << "static const TAO_Call_Data _set_" << this->flatname () << "_calldata = " - << nl; - *cs << "{"; - // prepend a "_set_" - *cs << "\"_set_" << this->local_name () << "\", "; - *cs << "1, "; // always a twoway call - *cs << "2, "; // size is 2 - // insert the address of the paramdata table - *cs << "_get_" << this->flatname () << "_paramdata, "; - // XXXASG - Exception list goes here (if it exists) - TODO - *cs << "0, 0};\n\n"; - - // now generate the actual stub - - cs->indent (); - *cs << "void " << this->name () << "("; - // generate the in parameter - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_INPARAM_TYPE_CS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_operation::gen_client_stubs - " - "failure in argument generation in signature\n"), - -1); - } - cg->pop (); - - // last argument - is always CORBA::Environment - *cs << ", CORBA::Environment &env)" << nl; - *cs << "{\n"; - cs->incr_indent (); - - // generate code that calls QueryInterface - *cs << "STUB_Object *istub;\n\n"; - cs->indent (); - *cs << "if (this->QueryInterface (IID_STUB_Object, " << - "(void **)&istub) != NOERROR)" << nl; - *cs << "{\n"; - cs->incr_indent (); - *cs << "env.exception (new CORBA::DATA_CONVERSION (CORBA::COMPLETED_NO));" << - nl; - *cs << "return;\n"; - cs->decr_indent (); - *cs << "}" << nl; - *cs << "this->Release (); // QueryInterface has bumped up our refcount" << nl; - - // do any pre do_call stuff with the lone IN parameter - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_PRE_DOCALL_CS); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_atribute::gen_client_stubs - " - "failure generating pre docall stuff\n"), - -1); - } - cg->pop (); - - // call do_call with appropriate number of arguments - *cs << "istub->do_call (env, &_set_" << this->flatname () << - "_calldata, 0"; // no return value - - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_DOCALL_CS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs - " - "in param in docall generation failure\n"), - -1); - return -1; - } - cg->pop (); - *cs << ");" << nl; - - // do any post do_call processing - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_POST_DOCALL_CS); - s = cg->make_state (); - if (!s || !bt || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_client_stubs\n" - "post docall generation failure\n"), - -1); - return -1; - } - cg->pop (); - - cs->decr_indent (0); - *cs << "\n}\n\n"; - - return 0; -} - -int -be_attribute::gen_server_header (void) -{ - TAO_OutStream *sh; // output stream - be_type *bt; // type node - be_state *s; // state based code generator object - TAO_NL nl; // newline generator - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - - sh = cg->server_header (); - - // first retrieve the type - bt = be_type::narrow_from_decl (this->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_header - " - "bad type\n"), - -1); - } - - // first the "get" method - - sh->indent (); // start with the current indentation level - - // the retrieve method is defined pure virtual - *sh << "virtual "; - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETURN_TYPE_SH); // we are now generating - // an operation - // definition with the - // return type first - - s = cg->make_state (); // retrieve state based object - - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_header - " - "return type generation failure\n"), - -1); - } - cg->pop (); // restore previous state - - *sh << " " << this->local_name () << " (CORBA::Environment &env) = 0;" << nl; - - // generate the static method corresponding to the method - *sh << "static void _get_" << this->local_name () << - "_skel (CORBA::ServerRequest &req, " << - "CORBA::Object_ptr obj, CORBA::Environment &env);\n\n"; - - - // now the set method. However, this is not defined if we are readonly - if (this->readonly ()) - return 0; - - sh->indent (); - *sh << "virtual void " << this->local_name () << "("; - - // we pass the type as an "in" parameter - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_INPARAM_TYPE_SH); - - s = cg->make_state (); // retrieve state based object - - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_header - " - "in param type generation failure\n"), - -1); - } - cg->pop (); // restore previous state - *sh << ", CORBA::Environment &env) = 0;" << nl; - - // generate the static method corresponding to the method - *sh << "static void _set_" << this->local_name () << - "_skel (CORBA::ServerRequest &req, " << - "CORBA::Object_ptr obj, CORBA::Environment &env);\n\n"; - - - return 0; -} - -int -be_attribute::gen_server_skeletons (void) -{ - TAO_OutStream *ss; // output stream - TAO_NL nl; // end line - be_type *bt; // type node - be_state *s; // state based code gen object - be_interface *intf; // enclosing interface node - - // retrieve a singleton instance of the code generator - TAO_CodeGen *cg = TAO_CODEGEN::instance (); - ss = cg->server_skeletons (); - - ss->indent (); // start with the current indentation level - - // retrieve our type - bt = be_type::narrow_from_decl (this->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "bad type\n"), - -1); - } - - // retrieve our enclosing interface decl - intf = be_interface::narrow_from_decl (ScopeAsDecl (this->defined_in ())); - if (!intf) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "bad enclosing interface\n"), - -1); - } - - - // code generation - first the "get" method - *ss << "void " << intf->full_skel_name () << "::_get_" - << this->local_name () << "_skel (" - << "CORBA::ServerRequest &_tao_server_request, " - << "CORBA::Object_ptr _tao_object_reference, " - << "CORBA::Environment &_tao_environment)" << nl; - *ss << "{\n"; - ss->incr_indent (); - // define a variable that will eventually point to our implementation object - *ss << intf->full_skel_name () << "_ptr \t impl;" << nl; - // store the result in this Any - *ss << "CORBA::Any *result;" << nl; - // emit the return type - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETVAL_DECL_SS); // emit type for return - // value - // get a state based code gen object - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "codegen for return val decl failed\n"), - -1); - } - cg->pop (); - - ss->indent (); - *ss << "// this method has no incoming parameters. Nothing to parse" << nl; - - // make the upcall - *ss << "impl = (" << intf->full_skel_name () << "_ptr) _tao_object_reference->get_subclass ();" - << nl; - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RETVAL_ASSIGN_SS); - s = cg->make_state (); - // emit code to assign to retval - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "codegen for return val assign failed\n"), - -1); - } - *ss << " = impl->" << this->local_name () << "(_tao_environment);" << nl; - cg->pop (); - - // insert our return val into the result - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_RESULT_SS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "codegen for returning result failed\n"), - -1); - } - cg->pop (); - // insert the result into the server request - *ss << "_tao_server_request.result (result, _tao_environment);\n"; - ss->decr_indent (); - *ss << "}\n\n"; - - if (this->readonly ()) - return 0; // nothing else to do as we are readonly - - // generate skeleton for the "set" method - - ss->indent (); - *ss << "void " << intf->full_skel_name () << "::_set_" - << this->local_name () << "_skel (" - << "CORBA::ServerRequest &_tao_server_request, " - << "CORBA::Object_ptr _tao_object_reference, " - << "CORBA::Environment &_tao_environment)" << nl; - *ss << "{\n"; - ss->incr_indent (); - // define an NVList to hold the in argument - *ss << "CORBA::NVList_ptr \t nvlist;" << nl; - // define a variable that will eventually point to our implementation object - *ss << intf->full_skel_name () << "_ptr \t impl;" << nl; - - // if we have any arguments, get each one of them and allocate an Any and - // NamedValue for each. In addition, define a variable of that type - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_INPARAM_TYPE_SS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "codegen for returning result failed\n"), - -1); - } - cg->pop (); - - // declare an NVList and create one - ss->indent (); - *ss << "// create an NV list and populate it with typecodes" << nl; - *ss << "_tao_server_request.orb ()->create_list (0, nvlist); // initialize a list" << nl; - - // add the "in" argument - // emit code that adds this argument to the NVList - *ss << "nv_" << this->local_name () << " = nvlist->add_value (\"" << - this->local_name () << "\", any_" << this->local_name () << - ", CORBA::ARG_IN, _tao_environment);" << nl; - - *ss << "// parse the arguments" << nl; - *ss << "_tao_server_request.params (nvlist, _tao_environment);" << nl; - *ss << "if (_tao_environment.exception ()) return;" << nl; - - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_PRE_UPCALL_SS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "preupcall code failed\n"), - -1); - } - cg->pop (); - - // make the upcall - *ss << "impl = (" << intf->full_skel_name () << "_ptr) _tao_object_reference->get_subclass ();" - << nl; - - *ss << "impl->" << this->local_name () << "("; - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_UPCALL_SS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "upcall code failed\n"), - -1); - } - cg->pop (); - *ss << "_tao_environment);" << nl; - - cg->push (TAO_CodeGen::TAO_ATTRIBUTE_POST_UPCALL_SS); - s = cg->make_state (); - if (!s || (s->gen_code (bt, this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_attribute::gen_server_skeletons - " - "post upcall code failed\n"), - -1); - } - cg->pop (); - - *ss << "\n"; - ss->decr_indent (); - *ss << "}\n\n"; - - return 0; -} - -// Generates the client-side inline information -int -be_attribute::gen_client_inline (void) -{ - // nothing to be done - return 0; -} - -// Generates the server-side inline -int -be_attribute::gen_server_inline (void) -{ - // nothing to be done - return 0; -} - -// Narrowing -IMPL_NARROW_METHODS2 (be_attribute, AST_Attribute, be_decl) -IMPL_NARROW_FROM_DECL (be_attribute) |