X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Flisp%2Fao_lisp_error.c;h=7f9094879e7ad9241273c6a635c52592f3792f42;hb=ed6967cef5d82baacafe1c23229f44d58c838326;hp=ea8111d9434ec434f6b146eadc202ba3591aa62a;hpb=77db0e8162cd01c2b42737b3d71b38cea942484f;p=fw%2Faltos

diff --git a/src/lisp/ao_lisp_error.c b/src/lisp/ao_lisp_error.c
index ea8111d9..7f909487 100644
--- a/src/lisp/ao_lisp_error.c
+++ b/src/lisp/ao_lisp_error.c
@@ -15,6 +15,111 @@
 #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, ...)
 {
@@ -22,8 +127,13 @@ 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;
 }