#include "ao_lisp.h"
#include <stdarg.h>
+void
+ao_lisp_error_poly(char *name, ao_poly poly, ao_poly last)
+{
+ int first = 1;
+ printf("\t\t%s(", name);
+ if (ao_lisp_poly_type(poly) == AO_LISP_CONS) {
+ if (poly) {
+ while (poly) {
+ struct ao_lisp_cons *cons = ao_lisp_poly_cons(poly);
+ if (!first)
+ printf("\t\t ");
+ else
+ first = 0;
+ ao_lisp_poly_write(cons->car);
+ printf("\n");
+ if (poly == last)
+ break;
+ poly = cons->cdr;
+ }
+ printf("\t\t )\n");
+ } else
+ printf(")\n");
+ } else {
+ ao_lisp_poly_write(poly);
+ printf("\n");
+ }
+}
+
+static void tabs(int indent)
+{
+ while (indent--)
+ printf("\t");
+}
+
+void
+ao_lisp_error_frame(int indent, char *name, struct ao_lisp_frame *frame)
+{
+ int f;
+
+ tabs(indent);
+ printf ("%s{", name);
+ if (frame) {
+ struct ao_lisp_frame_vals *vals = ao_lisp_poly_frame_vals(frame->vals);
+ if (frame->type & AO_LISP_FRAME_PRINT)
+ printf("recurse...");
+ else {
+ frame->type |= AO_LISP_FRAME_PRINT;
+ for (f = 0; f < frame->num; f++) {
+ if (f != 0) {
+ tabs(indent);
+ printf(" ");
+ }
+ ao_lisp_poly_write(vals->vals[f].atom);
+ printf(" = ");
+ ao_lisp_poly_write(vals->vals[f].val);
+ printf("\n");
+ }
+ if (frame->prev)
+ ao_lisp_error_frame(indent + 1, "prev: ", ao_lisp_poly_frame(frame->prev));
+ frame->type &= ~AO_LISP_FRAME_PRINT;
+ }
+ tabs(indent);
+ printf(" }\n");
+ } else
+ printf ("}\n");
+}
+
+void
+ao_lisp_vprintf(char *format, va_list args)
+{
+ char c;
+
+ while ((c = *format++) != '\0') {
+ if (c == '%') {
+ switch (c = *format++) {
+ case 'v':
+ ao_lisp_poly_write((ao_poly) va_arg(args, unsigned int));
+ break;
+ case 'p':
+ printf("%p", va_arg(args, void *));
+ break;
+ case 'd':
+ printf("%d", va_arg(args, int));
+ break;
+ case 's':
+ printf("%s", va_arg(args, char *));
+ break;
+ default:
+ putchar(c);
+ break;
+ }
+ } else
+ putchar(c);
+ }
+}
+
+void
+ao_lisp_printf(char *format, ...)
+{
+ va_list args;
+ va_start(args, format);
+ ao_lisp_vprintf(format, args);
+ va_end(args);
+}
+
ao_poly
ao_lisp_error(int error, char *format, ...)
{
ao_lisp_exception |= error;
va_start(args, format);
- vprintf(format, args);
+ ao_lisp_vprintf(format, args);
+ putchar('\n');
va_end(args);
- printf("\n");
+ ao_lisp_printf("Value: %v\n", ao_lisp_v);
+ ao_lisp_printf("Frame: %v\n", ao_lisp_frame_poly(ao_lisp_frame_current));
+ printf("Stack:\n");
+ ao_lisp_stack_write(ao_lisp_stack_poly(ao_lisp_stack));
+ ao_lisp_printf("Globals: %v\n", ao_lisp_frame_poly(ao_lisp_frame_global));
return AO_LISP_NIL;
}