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Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_typedef/serializer_op_ch.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_typedef/serializer_op_ch.cpp | 294 |
1 files changed, 294 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_typedef/serializer_op_ch.cpp b/TAO/TAO_IDL/be/be_visitor_typedef/serializer_op_ch.cpp new file mode 100644 index 00000000000..0c13f01a375 --- /dev/null +++ b/TAO/TAO_IDL/be/be_visitor_typedef/serializer_op_ch.cpp @@ -0,0 +1,294 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// serializer_op_ch.cpp +// +// = DESCRIPTION +// Visitor generating code for TAO::DCPS::Serializer operators +// of a Typedef node +// +// = AUTHOR +// Scott Harris <harris_s@ociweb.com> based on code by Aniruddha Gokhale +// +// ============================================================================ + +ACE_RCSID (be_visitor_typedef, + serializer_op_ch, + "$Id$") + +// *************************************************************************** +// Typedef visitor for generating Serializer operator declarations in the client header +// *************************************************************************** + +be_visitor_typedef_serializer_op_ch::be_visitor_typedef_serializer_op_ch ( + be_visitor_context *ctx + ) + : be_visitor_typedef (ctx) +{ +} + +be_visitor_typedef_serializer_op_ch::~be_visitor_typedef_serializer_op_ch (void) +{ +} + +int +be_visitor_typedef_serializer_op_ch::visit_typedef (be_typedef *node) +{ + if (node->cli_hdr_serializer_op_gen () || node->imported ()) + { + return 0; + } + + TAO_OutStream *os = this->ctx_->stream (); + + // Generate the Serializer << and >> operator declarations. + os->indent (); + + // In general, we may have a chain of typedefs. i.e., + // typedef sequence<long> X; + // typedef X Y; + // typedef Y Z; and so on + // The first time we will be in will be for node Z for which the code + // generation has to take place. However, it is not enough to just generate + // code that looks like - + // typedef Y Z; + // For different types (in this case we have a sequence), we will need + // typedefs for the _var and _out types for Z. If it had been an array, we + // will additionally have the _forcdr type as well as inlined *_alloc, _dup, + // and _free methods. + // + // Finally, we need to differentiate between the case where we were + // generating code for + // typedef sequence<long> X; and + // typedef Y Z; where Y was somehow aliased to the sequence. In the former + // case, we will need to generate all the code for sequence<long> or whatever + // the type maybe. In the latter, we just need typedefs for the type and all + // associated _var, _out, and other types. + + be_type *bt; // base type + + if (this->ctx_->tdef ()) + { + // The fact that we are here indicates that we were generating code for a + // typedef node whose base type also happens to be another typedef-ed + // (i.e. an alias) node for another (possibly alias) node. + + this->ctx_->alias (node); // save this alias + + // Grab the most primitive base type in the chain to avoid recusrsively + // going thru this visit method. + bt = node->primitive_base_type (); + + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_typedef - " + "bad primitive base type\n"), + -1); + } + + // Accept on this base type, but generate code for the typedef node. + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_typedef - " + "failed to accept visitor\n"), + -1); + } + + this->ctx_->alias (0); // reset + } + else + { + // The context has not stored cdr "tdef" node. So we must be in here for + // the first time. + this->ctx_->tdef (node); // save the typedef node + + // Grab the immediate base type node. + bt = be_type::narrow_from_decl (node->base_type ()); + + if (!bt) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_typedef - " + "bad base type\n"), + -1); + } + + // Accept on this base type, but generate code for the typedef node. + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_typedef - " + "failed to accept visitor\n"), + -1); + } + + this->ctx_->tdef (0); + } + + node->cli_hdr_serializer_op_gen (1); + return 0; +} + +int +be_visitor_typedef_serializer_op_ch::visit_array (be_array *node) +{ + be_type *bt; + + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (!bt->imported () && + bt->node_type () == AST_Decl::NT_array) + { + // Let the base class visitor handle this case. + if (this->be_visitor_typedef::visit_array (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_array - " + "base class visitor failed \n"), + -1); + } + } + + return 0; +} + +int +be_visitor_typedef_serializer_op_ch::visit_enum (be_enum *node) +{ + be_type *bt; + + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (bt->node_type () == AST_Decl::NT_enum) + { + // Let the base class visitor handle this case. + if (this->be_visitor_typedef::visit_enum (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_enum - " + "base class visitor failed \n"), + -1); + } + } + + return 0; +} + +int +be_visitor_typedef_serializer_op_ch::visit_sequence (be_sequence *node) +{ + be_type *bt; + + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (bt->node_type () == AST_Decl::NT_sequence) + { + // Let the base class visitor handle this case. + if (this->be_visitor_typedef::visit_sequence (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_sequence - " + "base class visitor failed \n"), + -1); + } + } + + return 0; +} + +int +be_visitor_typedef_serializer_op_ch::visit_structure (be_structure *node) +{ + be_type *bt; + + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (bt->node_type () == AST_Decl::NT_struct) + { + // Let the base class visitor handle this case. + if (this->be_visitor_typedef::visit_structure (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_serializer_op_ch::" + "visit_structure - " + "base class visitor failed \n"), + -1); + } + } + + return 0; +} + +int +be_visitor_typedef_serializer_op_ch::visit_union (be_union *node) +{ + be_type *bt; + + if (this->ctx_->alias ()) + { + bt = this->ctx_->alias (); + } + else + { + bt = node; + } + + if (bt->node_type () == AST_Decl::NT_union) + { + // Let the base class visitor handle this case. + if (this->be_visitor_typedef::visit_union (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_op_ch::" + "visit_union - " + "base class visitor failed \n"), + -1); + } + } + + return 0; +} |