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// -*- C++ -*-
//=============================================================================
/**
* @file operation.h
*
* $Id$
*
* Visitor for generating code for IDL operations in client stubs
*
*
* @author Aniruddha Gokhale
*/
//=============================================================================
#ifndef _BE_VISITOR_OPERATION_OPERATION_H_
#define _BE_VISITOR_OPERATION_OPERATION_H_
// ************************************************************
// Generic Operation visitor with some helper methods
// ************************************************************
/**
* @class be_visitor_operation
*
* @brief be_visitor_operation
*
* This is a base helper visitor for operation node
*/
class be_visitor_operation : public be_visitor_scope
{
public:
/// constructor
be_visitor_operation (be_visitor_context *ctx);
/// destructor
~be_visitor_operation (void);
// =helper
/// is my return type void?
virtual int void_return_type (be_type *);
/// does any of the argument node have the specified direction
virtual int has_param_type (be_operation *,
AST_Argument::Direction);
/// Count the number of "in" and "inout" parameters.
virtual size_t count_non_out_parameters (be_operation *node);
/// Special generation of throw_spec if it is an AMH ExceptionHolder
/// 0:false, 1:true
virtual int is_amh_exception_holder (be_interface *node);
/// helper that generates code for raising an exception
virtual int gen_raise_exception (const char *exception_name,
const char *exception_arguments);
/**
* Generates the code from opening brace to closing brace for
* stub operations. Also called (for now)
* from be_visitor_operation_cs, to generate operation stub
* bodies for abstract interfaces (unless and until abstract
* interfaces are made to interoperate with collocatino).
*/
virtual int gen_stub_operation_body (be_operation *node,
be_type *return_type);
/// generate any info before the actual code for the stub is generated
int gen_pre_stub_info (be_operation *node);
/// helper that generates code for raising an exception within
/// interceptor's try block
virtual int gen_raise_interceptor_exception (
be_type *return_type,
const char *exception_name,
const char *exception_arguments
);
void gen_stub_body_arglist (be_operation *node,
TAO_OutStream *os,
bool ami = false);
void gen_arg_template_param_name (AST_Decl *scope,
AST_Type *bt,
TAO_OutStream *os);
};
#endif /* _BE_VISITOR_OPERATION_OPERATION_H_ */
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