* USE OR PERFORMANCE OF THIS SOFTWARE.
*
* $Log: wtcl.c,v $
- * Revision 1.2 1995/10/23 16:55:43 adam
+ * Revision 1.5 1995/10/30 17:35:18 adam
+ * New function zwait that waits for a variable change - due to i/o events
+ * that invoke callback routines.
+ *
+ * Revision 1.4 1995/10/27 17:30:16 adam
+ * First search request/response that works.
+ *
+ * Revision 1.3 1995/10/27 15:12:14 adam
+ * IrTcl incorporated in the gateway.
+ * Better separation of script types.
+ * Z39.50 gateway scripts entered.
+ *
+ * Revision 1.2 1995/10/23 16:55:43 adam
* A lot of changes - really.
*
* Revision 1.1 1995/10/20 14:02:42 adam
#include <assert.h>
#include <ctype.h>
-#include <tcl.h>
-
-#include "wproto.h"
-#include "winterp.h"
+#include "wtcl.h"
static void *do_create (WCLIENT wcl, void *args);
static int do_exec (const char *fname, char *parms, void *mydata);
WCLIENT wcl;
};
+Tcl_Interp *w_interp_tcl_get (W_Interp w_interp)
+{
+ struct tcl_info *p;
+
+ if (strcmp (w_interp->ctrl->name, "tcl"))
+ {
+ gw_log (GW_LOG_FATAL, mod, "Internal failure");
+ assert (0);
+ }
+ p = (struct tcl_info*) w_interp->mydata;
+ return p->interp;
+}
+
static int proc_html_invoke (ClientData clientData, Tcl_Interp *interp,
int argc, char **argv)
{
struct tcl_info *p = (struct tcl_info*) clientData;
int i;
- gw_log (GW_LOG_DEBUG, mod, "proc html");
for (i = 1; i<argc; i++)
wo_puts (p->wcl, argv[i]);
return TCL_OK;
return TCL_OK;
}
+int Tcl_AppInit (Tcl_Interp *interp)
+{
+ if (Tcl_Init (interp) == TCL_ERROR)
+ return TCL_ERROR;
+ return TCL_OK;
+}
+
static void *do_create (WCLIENT wcl, void *args)
{
struct tcl_info *p;
gw_log (GW_LOG_FATAL|GW_LOG_ERRNO, mod, "malloc: tcl_info fbuf");
exit (1);
}
+ Tcl_AppInit (p->interp);
Tcl_CreateCommand (p->interp, "html", proc_html_invoke, p, NULL);
Tcl_CreateCommand (p->interp, "htmlr", proc_htmlr_invoke, p, NULL);
Tcl_CreateCommand (p->interp, "form", proc_form_invoke, p, NULL);
return p;
}
+static void report_error (struct tcl_info *p, int errorLine,
+ const char *pre, const char *msg)
+{
+ gw_log (GW_LOG_WARN, mod, "%s %d %s", pre, errorLine, msg);
+ wo_printf (p->wcl, "\n<br><hr>\n<strong>"
+ "%s %d</strong><br>\n", pre, errorLine);
+ wo_printf (p->wcl, "<xmp>\n%s</xmp>\n<hr>\n", msg);
+}
+
static int tcl_exec (const char *fname, char *parms,
struct tcl_info *p, FILE *inf, int *lineno)
{
int r, fbuf_ptr = 0;
int local_line = 0;
- Tcl_SetVar (p->interp, "sessionParms", p->wcl->wf_parms, TCL_GLOBAL_ONLY);
while (1)
{
if (fbuf_ptr == p->fbuf_size-1)
c = getc (inf);
if (c == EOF)
{
- gw_log (GW_LOG_WARN, mod, "Unexpected EOF: unbalanced braces");
- return -1;
+ report_error (p, *lineno, "Error in Tcl script starting at line",
+ "Unexpected EOF (missing right brace)");
+ return TCL_ERROR;
}
if (c == '\\')
escape = 1;
}
p->fbuf[fbuf_ptr] = '\0';
r = Tcl_Eval (p->interp, p->fbuf);
- if (r != TCL_OK)
- {
- gw_log (GW_LOG_WARN, mod, "Error in Tcl script starting on line %d",
- *lineno);
- }
+ if (r == TCL_ERROR)
+ report_error (p, p->interp->errorLine + *lineno - 1,
+ "Error in Tcl script in line",
+ Tcl_GetVar (p->interp, "errorInfo", 0));
(*lineno) += local_line;
- return 0;
+ return r;
}
-static int do_exec (const char *fname, char *parms,
- void *mydata)
+static int do_exec (const char *fname, char *parms, void *mydata)
{
struct tcl_info *p = mydata;
int c, escape = 0;
gw_log (GW_LOG_WARN|GW_LOG_ERRNO, mod, "open %s", fname);
return -1;
}
+ Tcl_SetVar (p->interp, "sessionParms", parms, TCL_GLOBAL_ONLY);
while ((c = getc(inf)) != EOF)
{
if (c == '\\')
wo_putc (p->wcl, c);
else
{
- if (tcl_exec (fname, parms, p, inf, &lineno))
+ int r = tcl_exec (fname, parms, p, inf, &lineno);
+ if (r == TCL_RETURN)
+ {
+ fclose (inf);
+ return 0;
+ }
+ else if (r == TCL_ERROR)
{
fclose (inf);
return -2;