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rexxpaws.cpp    171 lines (153 with data), 7.8 kB

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/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2009 Rexx Language Association. All rights reserved. */
/* */
/* This program and the accompanying materials are made available under */
/* the terms of the Common Public License v1.0 which accompanies this */
/* distribution. A copy is also available at the following address: */
/* http://www.oorexx.org/license.html */
/* */
/* Redistribution and use in source and binary forms, with or */
/* without modification, are permitted provided that the following */
/* conditions are met: */
/* */
/* Redistributions of source code must retain the above copyright */
/* notice, this list of conditions and the following disclaimer. */
/* Redistributions in binary form must reproduce the above copyright */
/* notice, this list of conditions and the following disclaimer in */
/* the documentation and/or other materials provided with the distribution. */
/* */
/* Neither the name of Rexx Language Association nor the names */
/* of its contributors may be used to endorse or promote products */
/* derived from this software without specific prior written permission. */
/* */
/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
/* */
/*----------------------------------------------------------------------------*/
/*********************************************************************/
/* */
/* File Name: REXXPAWS.C */
/* */
/* Calling REXX and pausing at exit */
/*********************************************************************/
#include <windows.h>
#include <oorexxapi.h> /* needed for rexx stuff */
#include <malloc.h>
#include <stdio.h> /* needed for printf() */
#include <string.h> /* needed for strlen() */
//
// Prototypes
//
int __cdecl main(int argc, char *argv[]); /* main entry point */
LONG REXXENTRY MY_IOEXIT( LONG ExitNumber, LONG Subfunction, PEXIT ParmBlock);
#include "ArgumentParser.h" /* defines getArguments and freeArguments */
/*
* These functions are used to allow ooRexx to display "Press ENTER key to exit..."
*/
static void __cdecl do_pause_at_exit( void )
{
int ch;
printf("\nPress ENTER key to exit...");
fflush( stdout );
ch = getchar();
}
void __cdecl set_pause_at_exit( void )
{
atexit( do_pause_at_exit );
}
//
// MAIN program
//
int __cdecl main(int argc, char *argv[])
{
int16_t rexxrc = 0; /* return code from rexx */
int32_t i; /* loop counter */
int32_t rc; /* actually running program RC */
const char *program_name; /* name to run */
char arg_buffer[8192]; /* starting argument buffer */
rc = 0; /* set default return */
/*
* Convert the input array into a single string for the Object REXX
* argument string. First argument is name of the REXX program Next
* argument(s) are parameters to be passed. Note that rexxpaws does not
* currently accept any options, so the parsing is straight forward.
*/
set_pause_at_exit();
arg_buffer[0] = '\0'; /* default to no argument string */
program_name = NULL; /* no program to run yet */
for (i = 1; i < argc; i++) /* loop through the arguments */
{
if (program_name == NULL) /* no name yet? */
{
program_name = argv[i]; /* program is first non-option */
}
else /* part of the argument string */
{
if (arg_buffer[0] != '\0') /* not the first one? */
{
strcat(arg_buffer, " "); /* add an blank */
}
strcat(arg_buffer, argv[i]); /* add this to the argument string */
}
}
if (program_name == NULL)
{
/* give a simple error message */
#undef printf
printf("Syntax: REXXPAWS ProgramName [parameter_1....parameter_n]\n");
return -1;
}
else /* real program execution */
{
RexxInstance *pgmInst;
RexxThreadContext *pgmThrdInst;
RexxArrayObject rxargs, rxcargs;
RexxDirectoryObject dir;
RexxObjectPtr result;
RexxCreateInterpreter(&pgmInst, &pgmThrdInst, NULL);
// configure the traditional single argument string
if ( arg_buffer[0] != '\0' )
{
rxargs = pgmThrdInst->NewArray(1);
pgmThrdInst->ArrayPut(rxargs, pgmThrdInst->String(arg_buffer), 1);
}
else
{
rxargs = pgmThrdInst->NewArray(0);
}
// set up the C args into the .local environment
dir = (RexxDirectoryObject)pgmThrdInst->GetLocalEnvironment();
rxcargs = pgmThrdInst->NewArray(1);
for (i = 2; i < argc; i++) {
pgmThrdInst->ArrayPut(rxcargs,
pgmThrdInst->NewStringFromAsciiz(argv[i]),
i - 1);
}
pgmThrdInst->DirectoryPut(dir, rxcargs, "SYSCARGS");
// call the interpreter
result = pgmThrdInst->CallProgram(program_name, rxargs);
// display any error message if there is a condition.
// if there was an error, then that will be our return code
rc = pgmThrdInst->DisplayCondition();
if (rc != 0) {
return -rc; // well, the negation of the error number is the return code
}
if (result != NULL) {
pgmThrdInst->ObjectToInt32(result, &rc);
}
return rc;
}
// return interpeter or
return rc ? rc : rexxrc;
}