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Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_structure.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_structure.cpp | 477 |
1 files changed, 0 insertions, 477 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_structure.cpp b/TAO/TAO_IDL/be/be_visitor_structure.cpp deleted file mode 100644 index a988f291b24..00000000000 --- a/TAO/TAO_IDL/be/be_visitor_structure.cpp +++ /dev/null @@ -1,477 +0,0 @@ -// -// $Id$ -// - -// ============================================================================ -// -// = LIBRARY -// TAO IDL -// -// = FILENAME -// be_visitor_structure.cpp -// -// = DESCRIPTION -// Visitors for generation of code for Structure -// -// = AUTHOR -// Aniruddha Gokhale -// -// ============================================================================ - -#include "idl.h" -#include "idl_extern.h" -#include "be.h" - -#include "be_visitor_structure.h" - -// generic struct visitor -be_visitor_structure::be_visitor_structure (be_visitor_context *ctx) - : be_visitor_scope (ctx) -{ -} - -be_visitor_structure::~be_visitor_structure (void) -{ -} - -// visit the Structure node and its scope -int -be_visitor_structure::visit_structure (be_structure *node) -{ - return -1; // must be overriden -} - -int -be_visitor_structure::visit_field (be_field *node) -{ - // instantiate a visitor context with a copy of our context. This info - // will be modified based on what type of node we are visiting - be_visitor_context ctx (*this->ctx_); - ctx.node (node); // set the node to be the node being visited. The scope is - // still the same - - // this switch is acceptable rather than having derived visitors overriding - // this method and differing only in what state they set - - switch (this->ctx_->state ()) - { - case TAO_CodeGen::TAO_STRUCT_CH: - ctx.state (TAO_CodeGen::TAO_FIELD_CH); - break; - case TAO_CodeGen::TAO_STRUCT_CI: - ctx.state (TAO_CodeGen::TAO_FIELD_CI); - break; - case TAO_CodeGen::TAO_STRUCT_CS: - ctx.state (TAO_CodeGen::TAO_FIELD_CS); - break; - default: - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure::" - "visit_field - " - "Bad context state\n" - ), -1); - } - break; - } - - be_visitor *visitor = tao_cg->make_visitor (&ctx); - if (!visitor) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure::" - "visit_field - " - "NUL visitor\n" - ), -1); - } - - // let the node accept this visitor - if (node->accept (visitor) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure::" - "visit_field - " - "failed to accept visitor\n" - ), -1); - } - delete visitor; - return 0; -} - -// ****************************************************** -// for client header -// ****************************************************** - -be_visitor_structure_ch::be_visitor_structure_ch (be_visitor_context *ctx) - : be_visitor_structure (ctx) -{ -} - -be_visitor_structure_ch::~be_visitor_structure_ch (void) -{ -} - -// visit the Structure node and its scope -int be_visitor_structure_ch::visit_structure (be_structure *node) -{ - TAO_OutStream *os; // output stream - - if (!node->cli_hdr_gen () && !node->imported ()) // not already generated and - // not imported - { - os = this->ctx_->stream (); - - os->indent (); // start from whatever indentation level we were at - *os << "struct " << node->local_name () << be_nl - << "{" << be_idt << "\n"; - - // generate code for field members - if (this->visit_scope (node) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ch::" - "visit_structure - " - "codegen for scope failed\n"), -1); - } - - os->decr_indent (); - *os << "};\n\n"; - - // generate var defn - if (node->gen_var_defn () == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ch::" - "visit_structure - " - "codegen for _var failed\n"), -1); - } - - // a class is generated for an out defn only for a variable length struct - if (node->size_type () == be_decl::VARIABLE) - { - if (node->gen_out_defn () == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ch::" - "visit_structure - " - "codegen for _out failed\n"), -1); - } - } - else - { - os->indent (); - *os << "typedef " << node->local_name () << " &" << node->local_name - () << "_out;\n\n"; - } - - // by using a visitor to declare and define the TypeCode, we have the - // added advantage to conditionally not generate any code. This will be - // based on the command line options. This is still TO-DO - be_visitor *visitor; - be_visitor_context ctx (*this->ctx_); - ctx.state (TAO_CodeGen::TAO_TYPECODE_DECL); - visitor = tao_cg->make_visitor (&ctx); - if (!visitor || (node->accept (visitor) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ch::" - "visit_structure - " - "TypeCode declaration failed\n" - ), -1); - } - - - node->cli_hdr_gen (I_TRUE); - } - return 0; -} - -// ****************************************************** -// for client inline -// ****************************************************** - -be_visitor_structure_ci::be_visitor_structure_ci (be_visitor_context *ctx) - : be_visitor_structure (ctx) -{ -} - -be_visitor_structure_ci::~be_visitor_structure_ci (void) -{ -} - -// visit the Structure node and its scope -int be_visitor_structure_ci::visit_structure (be_structure *node) -{ - if (!node->cli_inline_gen () && !node->imported ()) - { - if (node->gen_var_impl () == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ci::" - "visit_structure - " - "codegen for _var failed\n"), -1); - } - if (node->size_type () == be_decl::VARIABLE && - node->gen_out_impl () == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ci::" - "visit_structure - " - "codegen for _out failed\n"), -1); - } - // all we have to do is to visit the scope - if (this->visit_scope (node) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_ci::" - "visit_structure - " - "codegen for scope failed\n"), -1); - } - node->cli_inline_gen (I_TRUE); - } - return 0; -} - -// *************************************************************************** -// for client stubs -// *************************************************************************** -be_visitor_structure_cs::be_visitor_structure_cs (be_visitor_context *ctx) - : be_visitor_structure (ctx) -{ -} - -be_visitor_structure_cs::~be_visitor_structure_cs (void) -{ -} - -// visit the Structure_Cs node and its scope -int be_visitor_structure_cs::visit_structure (be_structure *node) -{ - TAO_OutStream *os; // output stream - - if (!node->cli_stub_gen () && !node->imported ()) - { - os = this->ctx_->stream (); - - // by using a visitor to declare and define the TypeCode, we have the - // added advantage to conditionally not generate any code. This will be - // based on the command line options. This is still TO-DO - be_visitor *visitor; - be_visitor_context ctx (*this->ctx_); - ctx.state (TAO_CodeGen::TAO_TYPECODE_DEFN); - visitor = tao_cg->make_visitor (&ctx); - if (!visitor || (node->accept (visitor) == -1)) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_cs::" - "visit_structure - " - "TypeCode definition failed\n" - ), -1); - } - - - // do any code generation required for the scope members - // all we have to do is to visit the scope - if (this->visit_scope (node) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_cs::" - "visit_structure - " - "codegen for scope failed\n"), -1); - } - node->cli_stub_gen (I_TRUE); - } - - return 0; -} - -// *************************************************************************** -// Structure visitor for generating Any operator declarations in the client header -// *************************************************************************** - -be_visitor_structure_any_op_ch::be_visitor_structure_any_op_ch -(be_visitor_context *ctx) - : be_visitor_structure (ctx) -{ -} - -be_visitor_structure_any_op_ch::~be_visitor_structure_any_op_ch (void) -{ -} - -int -be_visitor_structure_any_op_ch::visit_structure (be_structure *node) -{ - if (node->cli_hdr_any_op_gen () || node->imported ()) - return 0; - - TAO_OutStream *os = tao_cg->client_header (); - - // generate the Any <<= and >>= operator declarations - os->indent (); - *os << "void " << idl_global->export_macro () - << " operator<<= (CORBA::Any &, const " << node->name () - << " &); // copying version" << be_nl; - *os << "void " << idl_global->export_macro () - << " operator<<= (CORBA::Any &, " << node->name () - << "*); // noncopying version" << be_nl; - *os << "CORBA::Boolean " << idl_global->export_macro () - << " operator>>= (const CORBA::Any &, " - << node->name () << " *&);\n"; - - - // all we have to do is to visit the scope and generate code - if (this->visit_scope (node) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure::visit_structure - " - "codegen for scope failed\n"), -1); - } - - node->cli_hdr_any_op_gen (1); - return 0; -} - -int -be_visitor_structure_any_op_ch::visit_field (be_field *node) -{ - be_type *bt; // field's type - - // first generate the type information - bt = be_type::narrow_from_decl (node->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_any_op_ch::" - "visit_field - " - "Bad field type\n" - ), -1); - } - - if (bt->accept (this) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_any_op_ch::" - "visit_field - " - "codegen for field type failed\n" - ), -1); - } - return 0; -} - -// *************************************************************************** -// Structure visitor for generating Any operator declarations in the client -// stubs file -// *************************************************************************** - -be_visitor_structure_any_op_cs::be_visitor_structure_any_op_cs -(be_visitor_context *ctx) - : be_visitor_structure (ctx) -{ -} - -be_visitor_structure_any_op_cs::~be_visitor_structure_any_op_cs (void) -{ -} - -int -be_visitor_structure_any_op_cs::visit_structure (be_structure *node) -{ - if (node->cli_stub_any_op_gen () || node->imported ()) - return 0; - - TAO_OutStream *os = tao_cg->client_stubs (); - - // generate the Any <<= and >>= operator declarations - // Any <<= and >>= operators - os->indent (); - *os << "void operator<<= (CORBA::Any &_tao_any, const " - << node->name () << " &_tao_elem) // copying" << be_nl - << "{" << be_idt_nl - << "CORBA::Environment _tao_env;" << be_nl - << "_tao_any.replace (" << node->tc_name () << ", &" - << "_tao_elem, 1, _tao_env);" << be_uidt_nl - << "}" << be_nl; - - *os << "void operator<<= (CORBA::Any &_tao_any, " - << node->name () << " *_tao_elem) // non copying" << be_nl - << "{" << be_idt_nl - << "CORBA::Environment _tao_env;" << be_nl - << "_tao_any.replace (" << node->tc_name () << ", " - << "_tao_elem, 0, _tao_env);" << be_uidt_nl - << "}" << be_nl; - - *os << "CORBA::Boolean operator>>= (const CORBA::Any &_tao_any, " - << node->name () << " *&_tao_elem)" << be_nl - << "{" << be_idt_nl - << "CORBA::Environment _tao_env;" << be_nl - << "if (!_tao_any.type ()->equal (" << node->tc_name () - << ", _tao_env)) return 0; // not equal" << be_nl - << "if (_tao_any.any_owns_data ())" << be_nl - << "{" << be_idt_nl - << "ACE_NEW_RETURN (_tao_elem, " << node->name () << ", 0);" - << be_nl - << "TAO_InputCDR stream ((ACE_Message_Block *)_tao_any.value ());" - << be_nl - << "if (stream.decode (" << node->tc_name () - << ", _tao_elem, 0, _tao_env)" << be_nl - << " == CORBA::TypeCode::TRAVERSE_CONTINUE)" << be_nl - << "{" << be_idt_nl - << "((CORBA::Any *)&_tao_any)->replace (_tao_any.type (), " - << "_tao_elem, 1, _tao_env);" - << be_nl - << " return 1;" << be_uidt_nl - << "}" << be_nl - << "else" << be_nl // decode failed - << "{" << be_idt_nl - << "delete _tao_elem;" << be_nl - << "return 0;" << be_uidt_nl - << "}" << be_uidt_nl - << "}" << be_nl - << "else" << be_nl // else any does not own the data - << "{" << be_idt_nl - << "_tao_elem = (" << node->name () << " *)_tao_any.value ();" - << be_nl - << "return 1;" << be_uidt_nl - << "}" << be_uidt_nl - << "}\n\n"; - - - // all we have to do is to visit the scope and generate code - if (this->visit_scope (node) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure::visit_structure - " - "codegen for scope failed\n"), -1); - } - - node->cli_stub_any_op_gen (1); - return 0; -} - -int -be_visitor_structure_any_op_cs::visit_field (be_field *node) -{ - be_type *bt; // field's type - - // first generate the type information - bt = be_type::narrow_from_decl (node->field_type ()); - if (!bt) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_any_op_cs::" - "visit_field - " - "Bad field type\n" - ), -1); - } - - if (bt->accept (this) == -1) - { - ACE_ERROR_RETURN ((LM_ERROR, - "(%N:%l) be_visitor_structure_any_op_cs::" - "visit_field - " - "codegen for field type failed\n" - ), -1); - } - return 0; -} |