diff options
Diffstat (limited to 'ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp')
-rw-r--r-- | ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp | 146 |
1 files changed, 146 insertions, 0 deletions
diff --git a/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp b/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp new file mode 100644 index 00000000000..c17693c7226 --- /dev/null +++ b/ACE/TAO/TAO_IDL/be/be_visitor_typedef/typedef_cs.cpp @@ -0,0 +1,146 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// typedef_cs.cpp +// +// = DESCRIPTION +// Visitor generating code for Typedef in the client stubs +// +// = AUTHOR +// Aniruddha Gokhale +// +// ============================================================================ + +ACE_RCSID (be_visitor_typedef, + typedef_cs, + "$Id$") + +// ****************************************************** +// Typedef visitor for client stubs +// ****************************************************** + +be_visitor_typedef_cs::be_visitor_typedef_cs (be_visitor_context *ctx) + : be_visitor_typedef (ctx) +{ +} + +be_visitor_typedef_cs::~be_visitor_typedef_cs (void) +{ +} + +int +be_visitor_typedef_cs::visit_typedef (be_typedef *node) +{ + // 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 _forany type as well as inlined *_alloc + // 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 = 0; // 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_ch::" + "visit_typedef - " + "bad primitive base type\n"), + -1); + } + + // Accept on this base type. + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_ch::" + "visit_typedef - " + "failed to accept visitor\n"), + -1); + } + + this->ctx_->alias (0); + } + else + { + // The context has not stored any "tdef" node. So we must be in here for + // the first time. + this->ctx_->tdef (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_ch::" + "visit_typedef - " + "bad base type\n"), + -1); + } + + // Accept on this base type. + if (bt->accept (this) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_ch::" + "visit_typedef - " + "failed to accept visitor\n"), + -1); + } + + if (!node->imported () && be_global->tc_support ()) + { + be_visitor_context ctx (*this->ctx_); + // ctx.sub_state (TAO_CodeGen::TAO_TC_DEFN_TYPECODE); + TAO::be_visitor_alias_typecode visitor (&ctx); + + if (node->accept (&visitor) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_typedef_cs::" + "visit_typedef - " + "TypeCode definition failed\n"), + -1); + } + + } + + this->ctx_->tdef (0); + } + + return 0; +} |