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// -*- C++ -*-
// $Id$
#include "PSDL_Interpreter.h"
#include "PSDL_Node.h"
#include "PSDL_y.h"
ACE_RCSID(PSDL, PSDL_Interpreter, "$Id$")
TAO_SYNCH_MUTEX TAO_PSDL_Interpreter::parserMutex__;
TAO_PSDL_Interpreter::TAO_PSDL_Interpreter (void)
: root_ (0)
{
}
TAO_PSDL_Interpreter::~TAO_PSDL_Interpreter (void)
{
delete this->root_;
}
int
TAO_PSDL_Interpreter::build_tree (const char* nodes)
{
ACE_GUARD_RETURN (TAO_SYNCH_MUTEX,
guard,
TAO_PSDL_Interpreter::parserMutex__,
-1);
TAO_Lex_String_Input::reset ((char*)nodes);
yyval = 0;
void *result_ptr = 0;
int return_value = TAO_PSDL_yyparse (result_ptr);
if (return_value == 0 && yyval != 0)
{
this->root_ = yyval;
}
else
{
this->root_ = 0;
}
return return_value;
}
int
TAO_PSDL_Interpreter::is_empty_string (const char* str)
{
int return_value = 0;
if (str != 0)
{
int i = 0;
while (str[i] != '\0')
{
if (str[i] != ' ')
{
break;
}
i++;
}
if (str[i] == '\0')
{
return_value = 1;
}
}
return return_value;
}
char* TAO_Lex_String_Input::string_ = 0;
char* TAO_Lex_String_Input::current_ = 0;
char* TAO_Lex_String_Input::end_ = 0;
// Routine to have Lex read its input from the node string.
int
TAO_Lex_String_Input::copy_into (char* buf,
int max_size)
{
int chars_left = TAO_Lex_String_Input::end_ - TAO_Lex_String_Input::current_;
int n = max_size > chars_left ? chars_left : max_size;
if (n > 0)
{
ACE_OS:: memcpy (buf,
TAO_Lex_String_Input::current_,
n);
TAO_Lex_String_Input::current_ += n;
}
return n;
}
void
TAO_Lex_String_Input::reset (char* input_string)
{
TAO_Lex_String_Input::string_ = input_string;
TAO_Lex_String_Input::current_ = input_string;
TAO_Lex_String_Input::end_ =
input_string + ACE_OS::strlen (TAO_Lex_String_Input::string_);
}
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