1 files changed, 22 insertions, 19 deletions

diff --git a/pit/src/native.c b/pit/src/native.c
index a62f82e..89d9c9b 100644
--- a/pit/src/native.c
+++ b/pit/src/native.c
@@ -23,16 +23,24 @@ i64 pit_lex_file(pit_lexer *ret, char *path) {
     return 0;
 }
 
+static i64 pit_dump_to_file_callback(u8 *buf, i64 len, void *data) {
+    if (fwrite(buf, sizeof(u8), (size_t) len, (FILE *) data) != (size_t) len) return -1;
+    return 0;
+}
+void pit_dump_to_file(pit_runtime *rt, void *vf, pit_value v, bool readable) {
+    pit_dump_with_callback(rt, v, readable, pit_dump_to_file_callback, vf);
+}
+
 bool pit_runtime_print_error(pit_runtime *rt) {
     if (!pit_value_eq(rt->error, PIT_NIL)) {
-        char buf[1024] = {0};
-        for (i64 i = 0; i < rt->backtrace->next; ++i) {
-            pit_annotated_ref *a = pit_vec_get(pit_annotated_ref)(rt->backtrace, i);
-            if (a == NULL) continue;
-            fprintf(stderr, "on line %ld, column %ld\n", a->annotation.line, a->annotation.column);
-        }
-        i64 end = pit_dump(rt, buf, sizeof(buf) - 1, rt->error, false); buf[end] = 0;
-        fprintf(stderr, "error at line %ld, column %ld: %s\n", rt->error_line, rt->error_column, buf);
+        // for (i64 i = 0; i < rt->backtrace->next; ++i) {
+        //     pit_annotated_ref *a = pit_vec_get(pit_annotated_ref)(rt->backtrace, i);
+        //     if (a == NULL) continue;
+        //     fprintf(stderr, "on line %ld, column %ld\n", a->annotation.line, a->annotation.column);
+        // }
+        fprintf(stderr, "error at line %ld, column %ld:", rt->error_line, rt->error_column);
+        pit_dump_to_file(rt, stderr, rt->error, false);
+        fprintf(stderr, "\n");
         return true;
     }
     return false;
@@ -149,10 +157,9 @@ void pit_repl(pit_runtime *rt) {
             rt->error = PIT_NIL;
             printf("> ");
         } else {
-            char dumpbuf[1024] = {0};
-            pit_dump(rt, dumpbuf, sizeof(dumpbuf) - 1, res, true);
+            pit_dump_to_file(rt, stdout, res, true);
             pit_gc(rt);
-            printf("%s\n> ", dumpbuf);
+            printf("\n> ");
         }
         len = 0;
     }
@@ -173,19 +180,15 @@ static pit_value impl_diagnostics(pit_runtime *rt, pit_value args, void *data) {
 static pit_value impl_print(pit_runtime *rt, pit_value args, void *data) {
     (void) data;
     pit_value x = pit_value_cons_car(rt, args);
-    char buf[1024] = {0};
-    pit_dump(rt, buf, sizeof(buf), x, true);
-    buf[1023] = 0;
-    puts(buf);
+    pit_dump_to_file(rt, stdout, x, true);
+    printf("\n");
     return x;
 }
 static pit_value impl_princ(pit_runtime *rt, pit_value args, void *data) {
     (void) data;
     pit_value x = pit_value_cons_car(rt, args);
-    char buf[1024] = {0};
-    pit_dump(rt, buf, sizeof(buf), x, false);
-    buf[1023] = 0;
-    puts(buf);
+    pit_dump_to_file(rt, stdout, x, false);
+    printf("\n");
     return x;
 }
 static pit_value impl_load(pit_runtime *rt, pit_value args, void *data) {