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core: Bugfix: report name of undefined variable. 

* mes.c (assert_defined): Add variable as parmeter, print it.  Update
  callers.
This commit is contained in:
Jan Nieuwenhuizen 2016-11-05 11:08:10 +01:00
parent 6c70e92276
commit ffd2d3df4f
1 changed files with 4 additions and 4 deletions
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8
mes.c
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@ -205,7 +205,7 @@ scm *
set_env_x (scm *x, scm *e, scm *a)
{
cache_invalidate (x);
scm *p = assert_defined (assq (x, a));
scm *p = assert_defined (x, assq (x, a));
return set_cdr_x (p, e);
}
@ -339,12 +339,12 @@ assq_ref_cache (scm *x, scm *a)
#endif // ENV_CACHE
scm *
assert_defined (scm *e)
assert_defined (scm *x, scm *e)
{
if (e == &scm_undefined)
{
fprintf (stderr, "eval: unbound variable:");
display_ (stderr, e);
display_ (stderr, x);
fprintf (stderr, "\n");
assert (!"unbound variable");
}
@ -458,7 +458,7 @@ if (e->car == &symbol_define) {
if (x != e) return eval_env (x, a);
return apply_env (e->car, evlis_env (e->cdr, a), a);
}
case SYMBOL: return assert_defined (assq_ref_cache (e, a));
case SYMBOL: return assert_defined (e, assq_ref_cache (e, a));
default: return e;
}
}