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// ============================================================================
//
// = LIBRARY
// TAO IDL
//
// = FILENAME
// be_helper.cpp
//
// = DESCRIPTION
// Provides helper classes to print generated code to the output
//
// = AUTHOR
// Copyright 1994-1995 by Sun Microsystems, Inc.
// and
// Aniruddha Gokhale
//
// ============================================================================
#include "idl.h"
#include "idl_extern.h"
#include "be.h"
static const char copyright [] =
"// ****** Code generated by the The ACE ORB (TAO) IDL Compiler *******\n\
// TAO ORB and the TAO IDL Compiler have been developed by Washington \n\
// University Computer Science's Distributed Object Computing Group.\n\
//\n\
// Information on TAO is available at\n\
// http://www.cs.wustl.edu/~schmidt/TAO.html\n";
TAO_NL::TAO_NL (void)
{
}
// methods of the TAO_OutStream class
TAO_OutStream::TAO_OutStream (void)
: fp_ (NULL),
indent_level_ (0)
{
}
TAO_OutStream::~TAO_OutStream (void)
{
// close the underlying I/O handle only if it exists
if (fp_)
{
ACE_OS::fclose (fp_);
fp_ = NULL;
}
indent_level_ = 0;
}
int
TAO_OutStream::open (const char *fname, TAO_OutStream::STREAM_TYPE st)
{
if (fname)
{
// file name exists, open an I/O file handle
fp_ = ACE_OS::fopen (fname, "w");
if (fp_)
{
this->st_ = st;
// put the copyright notice
ACE_OS::fprintf (fp_, "%s\n", copyright);
ACE_OS::fflush (fp_);
return 0;
}
else
return -1;
}
else
{
return -1;
}
}
// set and get the stream type
void
TAO_OutStream::stream_type (TAO_OutStream::STREAM_TYPE st)
{
this->st_ = st;
}
TAO_OutStream::STREAM_TYPE
TAO_OutStream::stream_type (void)
{
return this->st_;
}
// indentation
int
TAO_OutStream::incr_indent (unsigned short flag)
{
indent_level_++;
if (flag)
return this->indent ();
else
return 0; // do not indent output
}
// indentation
int
TAO_OutStream::decr_indent (unsigned short flag)
{
indent_level_--;
if (flag)
return this->indent ();
else
return 0; // do not indent output
}
int
TAO_OutStream::reset (void)
{
indent_level_ = 0;
return 0;
}
// indented print
int
TAO_OutStream::indent (void)
{
int i;
// based on the current indentation level, leave appropriate number of blank
// spaces in the output
if (this->indent_level_ > 0)
{
for (i=0; i < this->indent_level_; i++)
{
ACE_OS::fprintf (this->fp_, " ");
ACE_OS::fflush (fp_);
}
}
return 0;
}
// macro generation
int
TAO_OutStream::gen_ifdef_macro (const char *flatname, const char *suffix)
{
static char macro [NAMEBUFSIZE];
TAO_CodeGen *cg = TAO_CODEGEN::instance ();
ACE_OS::memset (macro, '\0', NAMEBUFSIZE);
ACE_OS::sprintf (macro, "_%s_", cg->upcase (flatname));
if (suffix)
{
ACE_OS::sprintf (macro, "%s_%s_", macro, cg->upcase (suffix));
}
// append a suffix representing the stream type
switch (this->st_)
{
case TAO_OutStream::TAO_CLI_HDR:
ACE_OS::strcat (macro, "CH_");
break;
case TAO_OutStream::TAO_CLI_INL:
ACE_OS::strcat (macro, "CI_");
break;
case TAO_OutStream::TAO_CLI_IMPL:
ACE_OS::strcat (macro, "CS_");
break;
case TAO_OutStream::TAO_SVR_HDR:
ACE_OS::strcat (macro, "SH_");
break;
case TAO_OutStream::TAO_SVR_INL:
ACE_OS::strcat (macro, "SI_");
break;
case TAO_OutStream::TAO_SVR_IMPL:
ACE_OS::strcat (macro, "SS_");
break;
}
*this << "\n#if !defined (" << macro << ")\n";
*this << "#define " << macro << "\n\n";
return 0;
}
int
TAO_OutStream::gen_endif (void)
{
*this << "\n#endif // end #if !defined\n\n";
return 0;
}
// printf style variable argument print
int
TAO_OutStream::print (const char *format, ...)
{
int result = 0;
va_list ap;
va_start (ap, format);
ACE_OSCALL (::vfprintf (this->fp_, format, ap), int, -1, result);
ACE_OS::fflush (fp_);
va_end (ap);
return result;
}
TAO_OutStream &
TAO_OutStream::operator<< (const char *str)
{
ACE_OS::fprintf (this->fp_, "%s", str);
ACE_OS::fflush (fp_);
return *this;
}
TAO_OutStream &
TAO_OutStream::operator<< (const long num)
{
ACE_OS::fprintf (this->fp_, "%ld", num);
ACE_OS::fflush (fp_);
return *this;
}
TAO_OutStream &
TAO_OutStream::operator<< (const TAO_NL nl)
{
// Macro to avoid "warning: unused parameter" type warning.
ACE_UNUSED_ARG (nl);
ACE_OS::fprintf (this->fp_ , "\n");
this->indent ();
return *this;
}
TAO_OutStream &
TAO_OutStream::operator<< (Identifier *id)
{
return this->print (id);
}
TAO_OutStream &
TAO_OutStream::operator<< (UTL_IdList *id)
{
return this->print (id);
}
TAO_OutStream &
TAO_OutStream::operator<< (AST_Expression *expr)
{
return this->print (expr);
}
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