pit: Debug x86.pitHEADmaster

1 files changed, 7 insertions, 0 deletions

diff --git a/pit/src/runtime/symtab.c b/pit/src/runtime/symtab.c
index ca4ecf2..5684074 100644
--- a/pit/src/runtime/symtab.c
+++ b/pit/src/runtime/symtab.c
@@ -104,8 +104,12 @@ void pit_symtab_symbol_mark_special_form(pit_runtime *rt, pit_value sym) {
     if (!ent) { pit_error(rt, "bad symbol"); return; }
     ent->is_special_form = true;
 }
+#include <stdio.h>
 void pit_symtab_bind(pit_runtime *rt, pit_value sym, pit_value cell) {
     /* although we cannot set frozen symbols, we can still bind them temporarily - no need to check */
+    fprintf(stderr, "binding "); pit_dump_to_file(rt, stderr, sym, false);
+    fprintf(stderr, " to "); pit_dump_to_file(rt, stderr, cell, false);
+    fprintf(stderr, "\n");
     pit_symtab_entry *ent = pit_symtab_lookup(rt, sym);
     if (!ent) { pit_error(rt, "bad symbol"); return; }
     if (pit_vec_push(pit_value)(rt->saved_bindings, ent->value) < 0) pit_error(rt, "binding stack overflow");
@@ -115,6 +119,9 @@ pit_value pit_symtab_unbind(pit_runtime *rt, pit_value sym) {
     pit_symtab_entry *ent = pit_symtab_lookup(rt, sym);
     if (!ent) { pit_error(rt, "bad symbol"); return PIT_NIL; }
     pit_value old = ent->value;
+    fprintf(stderr, "unbinding "); pit_dump_to_file(rt, stderr, sym, false);
+    fprintf(stderr, " (was "); pit_dump_to_file(rt, stderr, old, false);
+    fprintf(stderr, ")\n");
     if (pit_vec_pop(pit_value)(rt->saved_bindings, &ent->value) < 0) pit_error(rt, "binding stack underflow");
     return old;
 }