quakeforge/tools/carne/main.c
Brian Koropoff 78785a90f8 Added a primitive interactive mode to carne and modified the file::read
GIB builtin to use Qopen instead of COM_LoadHunkFile.  This makes it work
properly in carne.
2002-11-15 23:27:07 +00:00

126 lines
2.6 KiB
C

#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include "QF/cbuf.h"
#include "QF/cmd.h"
#include "QF/sys.h"
#include "QF/cvar.h"
#include "QF/zone.h"
#include "QF/quakefs.h"
#include "QF/quakeio.h"
#include "QF/gib_parse.h"
#include "QF/gib_init.h"
#include "QF/gib_thread.h"
#include "QF/gib_function.h"
#include "QF/gib_builtin.h"
#include "QF/gib_buffer.h"
#include "QF/dstring.h"
#include "QF/va.h"
extern gib_thread_t *gib_threads;
static qboolean carne_done = false;
static int carne_exitcode = 0;
void
Carne_GIB_Exit_f (void)
{
carne_done = true;
// Put it in wait mode so that Cbuf_Execute_Stack clears out
// we can then safely nuke the stack later
cbuf_active->state = CBUF_STATE_WAIT;
if (GIB_Argc() == 2)
carne_exitcode = atoi (GIB_Argv(1));
}
int
Carne_Execute_Script (const char *path, cbuf_args_t *args)
{
QFile *file;
cbuf_t *mbuf = Cbuf_New (&gib_interp);
char *f;
int len, i;
file = Qopen (path, "r");
if (file) {
len = Qfilesize (file);
f = (char *) malloc (len + 1);
if (f) {
f[len] = 0;
Qread (file, f, len);
Cbuf_InsertText (mbuf, f);
free (f);
}
Qclose (file);
} else {
printf ("Could not open %s for reading: %s\n", path, strerror(errno));
return 1;
}
// If there is a hash-bang, strip it out
if (mbuf->buf->str[0] == '#') {
for (i = 0; mbuf->buf->str[i] != '\n' && mbuf->buf->str[i+1]; i++);
dstring_snip (mbuf->buf, 0, i+1);
}
GIB_Parse_Strip_Comments (mbuf);
GIB_Function_Prepare_Args (mbuf, args);
// Main loop
while (1) {
GIB_Thread_Execute ();
Cbuf_Execute_Stack (mbuf);
// Check if there is anything left to do
if (carne_done || (!gib_threads && !mbuf->down && !mbuf->buf->str[0]))
break;
}
Cbuf_DeleteStack (mbuf);
return carne_exitcode;
}
int
Carne_Execute_Stdin ()
{
char linebuf[1024];
cbuf_t *cbuf = Cbuf_New (&gib_interp);
memset (linebuf, 0, sizeof(linebuf));
while (fgets(linebuf, sizeof(linebuf)-1, stdin)) {
GIB_Thread_Execute ();
Cbuf_AddText (cbuf, linebuf);
Cbuf_Execute_Stack (cbuf);
if (carne_done)
break;
}
Cbuf_DeleteStack (cbuf);
return carne_exitcode;
}
int
main (int argc, char **argv)
{
cbuf_args_t *args = Cbuf_ArgsNew ();
int result, i;
// Initialize required QF subsystems
Cvar_Init_Hash ();
Cmd_Init_Hash ();
Cmd_Init ();
GIB_Init (false); // No sandbox
GIB_Builtin_Add ("exit", Carne_GIB_Exit_f, GIB_BUILTIN_NORMAL);
if (argc > 1) {
// Prepare arguments
for (i = 1; i < argc; i++)
Cbuf_ArgsAdd (args, argv[i]);
// Run the script
result = Carne_Execute_Script (argv[1], args);
Cbuf_ArgsDelete (args);
return result;
} else
return Carne_Execute_Stdin ();
}