[r7688]: main / trunk / utilities / rexx / platform / windows / rexx.cpp  Maximize  Restore  History

Download this file

236 lines (216 with data), 11.9 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
/*----------------------------------------------------------------------------*/
/* */
/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
/* Copyright (c) 2005-2012 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: REXX.C */
/* */
/* Description: Call the REXX interpreter using the command */
/* line arguments. */
/* */
/* Entry Points: main - main entry point */
/* */
/*********************************************************************/
#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 */
//
// MAIN program
//
int __cdecl main(int argc, char *argv[]) {
short rexxrc = 0; /* return code from rexx */
INT i; /* loop counter */
INT rc; /* actually running program RC */
const char *program_name; /* name to run */
char arg_buffer[8192]; /* starting argument buffer */
char *cp; /* option character pointer */
CONSTRXSTRING arguments; /* rexxstart argument */
size_t argcount;
RXSTRING rxretbuf; // program return buffer
BOOL from_string = FALSE; /* running from command line string? */
BOOL real_argument = TRUE; /* running from command line string? */
RXSTRING instore[2];
RexxInstance *pgmInst;
RexxThreadContext *pgmThrdInst;
RexxArrayObject rxargs, rxcargs;
RexxDirectoryObject dir;
RexxObjectPtr result;
rc = 0; /* set default return */
/*
* Convert the input array into a single string for the Object REXX
* argument string. Initialize the RXSTRING variable to point to this
* string. Keep the string null terminated so we can print it for debug.
* First argument is name of the REXX program
* Next argument(s) are parameters to be passed
*/
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 */
{
/* is this an option switch? */
if ((*(cp=*(argv+i)) == '-' || *cp == '/')) {
switch (*++cp) {
case 'e':
case 'E': /* execute from string */
if (from_string == FALSE) { /* only treat 1st -e differently */
from_string = TRUE;
if ( argc == i+1 ) {
break;
}
program_name = "INSTORE";
instore[0].strptr = argv[i+1];
instore[0].strlength = strlen(instore[0].strptr);
instore[1].strptr = NULL;
instore[1].strlength = 0;
real_argument = FALSE;
}
break;
case 'v':
case 'V': { /* version display */
char *ptr = RexxGetVersionInformation();
if (ptr)
{
fprintf(stdout, ptr);
fprintf(stdout, "\n");
RexxFreeMemory(ptr);
}
return 0;
}
default: /* ignore other switches */
break;
}
}
else /* convert into an argument string */
{
if (program_name == NULL) { /* no name yet? */
program_name = argv[i]; /* program is first non-option */
break; /* end parsing after program_name has been resolved */
}
else if ( real_argument ) { /* 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 */
}
real_argument = TRUE;
}
}
if (program_name == NULL) {
/* give a simple error message */
#undef printf
printf("\n");
fprintf(stderr,"Syntax is \"rexx filename [arguments]\"\n");
fprintf(stderr,"or \"rexx -e program_string [arguments]\"\n");
fprintf(stderr,"or \"rexx -v\".\n");
return -1;
}
else { /* real program execution */
getArguments(NULL, GetCommandLine(), &argcount, &arguments);
rxretbuf.strlength = 0L; /* initialize return to empty */
#ifdef REXXC_DEBUG
printf("program_name = %s\n", program_name);
printf("argv 0 = %s\n", argv[0]);
printf("argv 1 = %s\n", argv[1]);
printf("argv 2 = %s\n", argv[2]);
printf("argument.strptr = %s\n", argument.strptr);
printf("argument.strlenth = %lu\n", argument.strlength);
#endif
if (from_string) {
/* Here we call the interpreter. We don't really need to use */
/* all the casts in this call; they just help illustrate */
/* the data types used. */
rc=REXXSTART(argcount, /* number of arguments */
&arguments, /* array of arguments */
program_name, /* name of REXX file */
instore, /* rexx code from command line */
"CMD", /* Command env. name */
RXCOMMAND, /* Code for how invoked */
NULL,
&rexxrc, /* Rexx program output */
&rxretbuf ); /* Rexx program output */
/* rexx procedure executed*/
if ((rc==0) && rxretbuf.strptr) {
RexxFreeMemory(rxretbuf.strptr); /* Release storage only if */
}
freeArguments(NULL, &arguments);
}
else {
RexxCreateInterpreter(&pgmInst, &pgmThrdInst, NULL);
// configure the traditional single argument string
if ( arguments.strptr != NULL )
{
rxargs = pgmThrdInst->NewArray(1);
pgmThrdInst->ArrayPut(rxargs, pgmThrdInst->String(arguments.strptr), 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
}
// now handle any potential return value
if (result != NULL) {
pgmThrdInst->ObjectToInt32(result, &rc);
}
return rc;
}
}
return rc ? rc : rexxrc; // rexx program return cd
}

Get latest updates about Open Source Projects, Conferences and News.

Sign up for the SourceForge newsletter:





No, thanks