diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_sequence/cdr_op_cs.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_sequence/cdr_op_cs.cpp | 584 |
1 files changed, 0 insertions, 584 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_sequence/cdr_op_cs.cpp b/TAO/TAO_IDL/be/be_visitor_sequence/cdr_op_cs.cpp deleted file mode 100644 index 26d99d9e015..00000000000 --- a/TAO/TAO_IDL/be/be_visitor_sequence/cdr_op_cs.cpp +++ /dev/null @@ -1,584 +0,0 @@ -// -// $Id$ -// - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// cdr_op_cs.cpp -// -// = DESCRIPTION -// Visitor for code generation of Sequences for the CDR operators -// in the client stubs. -// -// = AUTHOR -// Aniruddha Gokhale -// -// ============================================================================ - -#include "idl.h" -#include "idl_extern.h" -#include "be.h" - -#include "be_visitor_sequence.h" - -ACE_RCSID(be_visitor_sequence, cdr_op_cs, "$Id$") - - -// *************************************************************************** -// Sequence visitor for generating CDR operator declarations in the client -// stubs file -// *************************************************************************** - -be_visitor_sequence_cdr_op_cs::be_visitor_sequence_cdr_op_cs -(be_visitor_context *ctx) - : be_visitor_decl (ctx) -{ -} - -be_visitor_sequence_cdr_op_cs::~be_visitor_sequence_cdr_op_cs (void) -{ -} - -int -be_visitor_sequence_cdr_op_cs::visit_sequence (be_sequence *node) -{ - if (this->ctx_->alias ()) - { - // we are here because the base type of the sequence node is itself a sequence - // i.e., this is a case of sequence of sequence - return this->visit_node (node); - } - else - { - TAO_OutStream *os = this->ctx_->stream (); - - be_type *bt; // base type of the sequence - - if (node->cli_stub_cdr_op_gen () || node->imported ()) - return 0; - - // retrieve the type - bt = be_type::narrow_from_decl (node->base_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "be_visitor_sequence_cdr_op_cs::" - "visit_sequence - " - "Bad base type\n"), - -1); - } - - // generate the CDR << and >> operator defns - - // save the sequence node for further use - this->ctx_->node (node); - - // set the sub state as generating code for the output operator - this->ctx_->sub_state (TAO_CodeGen::TAO_CDR_OUTPUT); - *os << "ACE_INLINE CORBA::Boolean operator<< (" << be_idt << be_idt_nl - << "TAO_OutputCDR &strm," << be_nl - << "const " << node->name () - << " &_tao_sequence" << be_uidt_nl - << ")" << be_uidt_nl - << "{" << be_idt_nl; - - // first encode the sequence length - *os << "if (strm << _tao_sequence.length ())" << be_nl - << "{" << be_idt_nl; - // now encode the sequence elements - *os << "// encode all elements" << be_nl; - if (bt->accept (this) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "be_visitor_sequence_cdr_op_cs::" - "visit_sequence - " - "Base type codegen failed\n"), - -1); - } - *os << "}" << be_nl - << "return 0; // error" << be_uidt_nl - << "}\n\n"; - - // set the sub state as generating code for the input operator - os->indent (); - this->ctx_->sub_state(TAO_CodeGen::TAO_CDR_INPUT); - *os << "ACE_INLINE CORBA::Boolean operator>> (TAO_InputCDR &strm, " - << node->name () << " &_tao_sequence)" << be_nl - << "{" << be_idt_nl; - // first retrieve the length and adjust the sequence length accordingly - *os << "CORBA::ULong _tao_seq_len;" << be_nl; - *os << "if (strm >> _tao_seq_len)" << be_nl - << "{" << be_idt_nl; - // now check if the length does not exceed the maximum. We do this only - // for bounded sequences - - AST_Expression *expr = node->max_size (); - // dimension value - if ((expr == NULL) || ((expr != NULL) && (expr->ev () == NULL))) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_sequence - " - "bad sequence dimension\n"), - -1); - } - if (expr->ev ()->et == AST_Expression::EV_ulong) - { - if (expr->ev ()->u.ulval > 0) - { - // we are dealing with a bounded sequence. Check if we are within - // bounds - *os << "if (_tao_seq_len <= _tao_sequence.maximum ())" << be_nl - << "{" << be_idt_nl; - } - } - else - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_sequence - " - "bad sequence dimension value\n"), - -1); - } - *os << "// set the length of the sequence" << be_nl - << "_tao_sequence.length (_tao_seq_len);" << be_nl; - *os << "// retrieve all the elements" << be_nl; - if (bt->accept (this) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "be_visitor_sequence_cdr_op_cs::" - "visit_sequence - " - "Base type codegen failed\n"), - -1); - } - if (expr->ev ()->u.ulval > 0) - { - // we are dealing with a bounded sequence. - *os << "}" << be_uidt_nl; - } - *os << "}" << be_nl - << "return 0; // error" << be_uidt_nl - << "}\n\n"; - - node->cli_stub_cdr_op_gen (1); - } - return 0; -} - -// handle all the base types - -int -be_visitor_sequence_cdr_op_cs::visit_array (be_array *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_enum (be_enum *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_interface (be_interface *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_interface_fwd (be_interface_fwd *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_predefined_type (be_predefined_type *node) -{ - TAO_OutStream *os = this->ctx_->stream (); - - switch (node->pt ()) - { - case AST_PredefinedType::PT_pseudo: - case AST_PredefinedType::PT_any: - // let the helper handle this - return this->visit_node (node); - case AST_PredefinedType::PT_void: - // error - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_predefined_type - " - "Bad primitive type\n" - ), -1); - default: - // all other primitive types. Handle them as shown below - break; - }; - - // we get here if the "type" of individual elements of the sequence is a - // primitive type. In this case, we treat the sequence as a single - // dimensional sequence (even of it was multi-dimensional), and pass - // the total length of the sequence as a cross product of the - // dimensions - - // grab the sequence node - be_sequence *sequence = this->ctx_->be_node_as_sequence (); - - if (!sequence) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_predefined_type - " - "bad sequence node\n"), - -1); - } - - // handle octet sequences using the optimizations provided by the TAO ORB - // Core. If these optimizations are not available, then use the normal form - - if (node->pt () == AST_PredefinedType::PT_octet) - { - *os << "\n#if defined (TAO_NO_COPY_OCTET_SEQUENCES)" << be_nl; - switch (this->ctx_->sub_state ()) - { - case TAO_CodeGen::TAO_CDR_INPUT: - { - *os << "if (ACE_BIT_DISABLED (strm.start ()->flags ()," - << "ACE_Message_Block::DONT_DELETE))" << be_nl - << "{" << be_idt_nl - << "TAO_Unbounded_Sequence<CORBA::Octet> *oseq = " << be_nl - << " ACE_dynamic_cast(TAO_Unbounded_Sequence<CORBA::Octet>*, " - << "&_tao_sequence);" << be_nl; - *os << "oseq->replace (_tao_seq_len, strm.start ());" - << be_nl - << "oseq->mb ()->wr_ptr (oseq->mb()->rd_ptr () + " - << "_tao_seq_len);" << be_nl - << "strm.skip_bytes (_tao_seq_len);" << be_nl - << "return 1;" << be_uidt_nl - << "}" << be_nl - << "else" << be_idt_nl - << "return strm.read_octet_array (" - << "_tao_sequence.get_buffer (), _tao_seq_len);" - << be_uidt_nl; - } - break; - case TAO_CodeGen::TAO_CDR_OUTPUT: - { - *os << "{" << be_idt_nl - << "TAO_Unbounded_Sequence<CORBA::Octet> *oseq = " << be_nl - << " ACE_dynamic_cast (TAO_Unbounded_Sequence<CORBA::Octet>*, " - << "(" << sequence->name () << " *)&_tao_sequence);" << be_nl; - *os << "if (oseq->mb ())" << be_idt_nl - << "return strm.write_octet_array_mb (oseq->mb ());" - << be_uidt_nl - << "else" << be_idt_nl - << "return strm.write_octet_array (" - << "_tao_sequence.get_buffer (), _tao_sequence.length ());" - << be_uidt << be_uidt_nl - << "}" << be_nl; - } - break; - default: - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_predefined_type - " - "bad sub state\n"), - -1); - } - *os << "\n#else /* TAO_NO_COPY_OCTET_SEQUENCES */" << be_nl; - } - - *os << "return strm."; - // based on our substate, we may be reading from a stream or writing into a - // stream - switch (this->ctx_->sub_state ()) - { - case TAO_CodeGen::TAO_CDR_INPUT: - *os << "read_"; - break; - case TAO_CodeGen::TAO_CDR_OUTPUT: - *os << "write_"; - break; - default: - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_predefined_type - " - "bad sub state\n"), - -1); - } - - // determine what kind of sequence are we reading/writing - switch (node->pt ()) - { - case AST_PredefinedType::PT_long: - *os << "long_array"; - break; - case AST_PredefinedType::PT_ulong: - *os << "ulong_array"; - break; - case AST_PredefinedType::PT_short: - *os << "short_array"; - break; - case AST_PredefinedType::PT_ushort: - *os << "ushort_array"; - break; - case AST_PredefinedType::PT_octet: - *os << "octet_array"; - break; - case AST_PredefinedType::PT_char: - *os << "char_array"; - break; - case AST_PredefinedType::PT_wchar: - *os << "wchar_array"; - break; - case AST_PredefinedType::PT_float: - *os << "float_array"; - break; - case AST_PredefinedType::PT_double: - *os << "double_array"; - break; - case AST_PredefinedType::PT_longlong: - *os << "longlong_array"; - break; - case AST_PredefinedType::PT_ulonglong: - *os << "ulonglong_array"; - break; - case AST_PredefinedType::PT_longdouble: - *os << "longdouble_array"; - break; - case AST_PredefinedType::PT_boolean: - *os << "boolean_array"; - break; - default: - // error - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_predefined_type - " - "bad primitive type for optimized code gen\n"), - -1); - } - - // handle special case to avoid compiler errors - switch (node->pt ()) - { - case AST_PredefinedType::PT_char: - switch (this->ctx_->sub_state ()) - { - case TAO_CodeGen::TAO_CDR_INPUT: - *os << " ((char *)_tao_sequence.get_buffer (), "; - break; - case TAO_CodeGen::TAO_CDR_OUTPUT: - *os << " ((const char *)_tao_sequence.get_buffer (), "; - break; - } - break; - default: - *os << " (_tao_sequence.get_buffer (), "; - break; - } - - *os << "_tao_sequence.length ());" << be_uidt_nl; - - if (node->pt () == AST_PredefinedType::PT_octet) - *os << "\n#endif /* TAO_NO_COPY_OCTET_SEQUENCES */" << be_nl; - return 0; -} - -int -be_visitor_sequence_cdr_op_cs::visit_string (be_string *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_structure (be_structure *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_union (be_union *node) -{ - return this->visit_node (node); -} - -int -be_visitor_sequence_cdr_op_cs::visit_typedef (be_typedef *node) -{ - this->ctx_->alias (node); // save the typedef node for use in code generation - // as we visit the base type - - // the node to be visited in the base primitve type that gets typedefed - be_type *bt = node->primitive_base_type (); - if (!bt || (bt->accept (this) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_typedef - " - "Bad primitive type\n" - ), -1); - } - - this->ctx_->alias (0); - return 0; -} - -// helper -int -be_visitor_sequence_cdr_op_cs::visit_node (be_type *bt) -{ - TAO_OutStream *os = this->ctx_->stream (); - be_sequence *node = this->ctx_->be_node_as_sequence (); - - if (!node) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad sequence node\n"), - -1); - } - - // initialize a boolean variable - *os << "CORBA::Boolean _tao_marshal_flag = 1;" << be_nl; - - // we get here if the "type" of individual elements of the sequence is not a - // primitive type. In this case, we are left with no other alternative but to - // encode/decode element by element - - AST_Expression *expr = node->max_size (); - // dimension value - if ((expr == NULL) || ((expr != NULL) && (expr->ev () == NULL))) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad sequence dimension\n"), - -1); - } - if (expr->ev ()->et == AST_Expression::EV_ulong) - { - *os << "for (CORBA::ULong i = 0; i < _tao_sequence.length ()" - << " && _tao_marshal_flag; " - << "i++)" << be_idt_nl; - } - else - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad sequence dimension value\n"), - -1); - } - - // if the type was a string, an obj ref, or a pseudo-obj, we are dealing with - // a manager type and hence we must use the appropriate in () and out () - // methods. - // - - switch (this->ctx_->sub_state ()) - { - case TAO_CodeGen::TAO_CDR_INPUT: - *os << "_tao_marshal_flag = (strm >> "; - switch (bt->node_type ()) - { - case AST_Decl::NT_string: - { - be_string *str = be_string::narrow_from_decl (bt); - - if (!str) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad string node\n"), - -1); - } - if (str->max_size ()->ev ()->u.ulval == 0) - { - // unbounded - *os << "_tao_sequence[i].out ()"; - } - else - { - *os << "CORBA::Any::to_string (_tao_sequence[i].out (), " - << str->max_size ()->ev ()->u.ulval - 1 << ")"; - } - } - break; - case AST_Decl::NT_interface: - case AST_Decl::NT_interface_fwd: - *os << "_tao_sequence[i].out ()"; - break; - case AST_Decl::NT_pre_defined: - { - // we need to separately handle this case of pseudo objects because - // they have a _var type - be_predefined_type *pt = be_predefined_type::narrow_from_decl (bt); - if (!pt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad predefined type node\n"), - -1); - } - if (pt->pt () == AST_PredefinedType::PT_pseudo) - { - *os << "_tao_sequence[i].out ()"; - } - else - { - *os << "_tao_sequence[i]"; - } - } - break; - default: - *os << "_tao_sequence[i]"; - } - *os << ");"; - break; - case TAO_CodeGen::TAO_CDR_OUTPUT: - *os << "_tao_marshal_flag = (strm << _tao_sequence[i]"; - switch (bt->node_type ()) - { - case AST_Decl::NT_string: - case AST_Decl::NT_interface: - case AST_Decl::NT_interface_fwd: - *os << ".in ()"; - break; - case AST_Decl::NT_pre_defined: - { - be_predefined_type *pt = be_predefined_type::narrow_from_decl (bt); - if (!pt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad predefined type node\n"), - -1); - } - if (pt->pt () == AST_PredefinedType::PT_pseudo) - { - *os << ".in ()"; - } - } - } - *os << ");"; - break; - default: - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_sequence_cdr_op_cs::" - "visit_node - " - "bad sub state\n"), - -1); - } - - *os << be_uidt_nl; - *os << "return _tao_marshal_flag;" << be_uidt_nl; - - return 0; -} |