diff options
Diffstat (limited to 'TAO/TAO_IDL/be/be_visitor_exception.cpp')
| -rw-r--r-- | TAO/TAO_IDL/be/be_visitor_exception.cpp | 290 |
1 files changed, 290 insertions, 0 deletions
diff --git a/TAO/TAO_IDL/be/be_visitor_exception.cpp b/TAO/TAO_IDL/be/be_visitor_exception.cpp new file mode 100644 index 00000000000..5b633b93b6f --- /dev/null +++ b/TAO/TAO_IDL/be/be_visitor_exception.cpp @@ -0,0 +1,290 @@ +// +// $Id$ +// + +// ============================================================================ +// +// = LIBRARY +// TAO IDL +// +// = FILENAME +// be_visitor_exception.cpp +// +// = DESCRIPTION +// Visitors for generation of code for Exception +// +// = AUTHOR +// Aniruddha Gokhale +// +// ============================================================================ + +#include "idl.h" +#include "idl_extern.h" +#include "be.h" + +#include "be_visitor_exception.h" + +// generic struct visitor +be_visitor_exception::be_visitor_exception (be_visitor_context *ctx) + : be_visitor_scope (ctx) +{ +} + +be_visitor_exception::~be_visitor_exception (void) +{ +} + +// visit the Exception node and its scope +int +be_visitor_exception::visit_exception (be_exception *node) +{ + return -1; // must be overriden +} + +int +be_visitor_exception::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_exception::" + "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_exception::" + "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_exception::" + "visit_field - " + "failed to accept visitor\n" + ), -1); + } + delete visitor; + return 0; +} + +// ****************************************************** +// for client header +// ****************************************************** + +be_visitor_exception_ch::be_visitor_exception_ch (be_visitor_context *ctx) + : be_visitor_exception (ctx) +{ +} + +be_visitor_exception_ch::~be_visitor_exception_ch (void) +{ +} + +// visit the Exception node and its scope +int be_visitor_exception_ch::visit_exception (be_exception *node) +{ + TAO_OutStream *os; // output stream + + if (!node->cli_hdr_gen ()) // not already generated + { + os = this->ctx_->stream (); + + os->indent (); // start from whatever indentation level we were at + *os << "struct " << node->local_name () << be_nl + << "{\n" << be_idt; + + // generate code for field members + if (this->visit_scope (node) == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_exception_ch::" + "visit_exception - " + "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_exception_ch::" + "visit_exception - " + "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_exception_ch::" + "visit_exception - " + "codegen for _out failed\n"), -1); + } + } + else + { + os->indent (); + *os << "typedef " << node->local_name () << " &" << node->local_name + () << "_out;\n\n"; + } + + // generate the typecode decl + if (node->is_nested ()) + { + // we have a scoped name + os->indent (); + + *os << "static CORBA::TypeCode_ptr " << node->tc_name + ()->last_component () << ";\n\n"; + } + else + { + // we are in the ROOT scope + os->indent (); + *os << "extern CORBA::TypeCode_ptr " << node->tc_name + ()->last_component () << ";\n\n"; + } + node->cli_hdr_gen (I_TRUE); + } + return 0; +} + +// ****************************************************** +// for client inline +// ****************************************************** + +be_visitor_exception_ci::be_visitor_exception_ci (be_visitor_context *ctx) + : be_visitor_exception (ctx) +{ +} + +be_visitor_exception_ci::~be_visitor_exception_ci (void) +{ +} + +// visit the Exception node and its scope +int be_visitor_exception_ci::visit_exception (be_exception *node) +{ + if (!node->cli_inline_gen ()) + { + if (node->gen_var_impl () == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_exception_ci::" + "visit_exception - " + "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_exception_ci::" + "visit_exception - " + "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_exception_ci::" + "visit_exception - " + "codegen for scope failed\n"), -1); + } + node->cli_inline_gen (I_TRUE); + } + return 0; +} + +// for client stubs +be_visitor_exception_cs::be_visitor_exception_cs (be_visitor_context *ctx) + : be_visitor_exception (ctx) +{ +} + +be_visitor_exception_cs::~be_visitor_exception_cs (void) +{ +} + +// visit the Exception_Cs node and its scope +int be_visitor_exception_cs::visit_exception (be_exception *node) +{ + TAO_OutStream *os; // output stream + + if (!node->cli_stub_gen ()) + { + os = this->ctx_->stream (); + + // generate the typecode information here + os->indent (); // start from current indentation level + *os << "static const CORBA::Long _oc_" << node->flatname () << "[] =" << + be_nl; + *os << "{\n"; + os->incr_indent (0); + // note that we just need the parameters here and hence we generate the + // encapsulation for the parameters + if (node->gen_encapsulation () == -1) + { + ACE_ERROR_RETURN ((LM_ERROR, + "(%N:%l) be_visitor_exception_cs::" + "visit_exception - " + "codegen for typecode failed\n"), -1); + } + os->decr_indent (); + *os << "};" << be_nl; + + *os << "static CORBA::TypeCode _tc__tc_" << node->flatname () << + " (CORBA::tk_struct, sizeof (_oc_" << node->flatname () << + "), (unsigned char *) &_oc_" << node->flatname () << + ", CORBA::B_FALSE);" << be_nl; + *os << "CORBA::TypeCode_ptr " << node->tc_name () << " = &_tc__tc_" << + node->flatname () << ";\n\n"; + + // 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_exception_cs::" + "visit_exception - " + "codegen for scope failed\n"), -1); + } + node->cli_stub_gen (I_TRUE); + } + + return 0; +} |