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better unbound variable errors in the vm

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* libguile/vm-i-system.c (variable-ref, toplevel-ref)
  (long-toplevel-ref): Fixup callers.

* libguile/vm-engine.c (vm_error_unbound): Don't use vm-error for
  unbound vars, use misc-error. Don't include VM: in the string. Take
  the name directly in finish_args, not as a list.
This commit is contained in:
Andy Wingo 2010-12-07 12:26:07 +01:00
parent 1f845305c1
commit d107921794
2 changed files with 8 additions and 6 deletions
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6
libguile/vm-i-system.c
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@ -306,7 +306,7 @@ VM_DEFINE_INSTRUCTION (25, variable_ref, "variable-ref", 0, 1, 1)
/* Attempt to provide the variable name in the error message. */
var_name = scm_module_reverse_lookup (scm_current_module (), x);
finish_args = scm_list_1 (scm_is_true (var_name) ? var_name : x);
finish_args = scm_is_true (var_name) ? var_name : x;
goto vm_error_unbound;
}
else
@ -340,7 +340,7 @@ VM_DEFINE_INSTRUCTION (27, toplevel_ref, "toplevel-ref", 1, 0, 1)
resolved = resolve_variable (what, scm_program_module (program));
if (!VARIABLE_BOUNDP (resolved))
{
finish_args = scm_list_1 (what);
finish_args = what;
goto vm_error_unbound;
}
what = resolved;
@ -366,7 +366,7 @@ VM_DEFINE_INSTRUCTION (28, long_toplevel_ref, "long-toplevel-ref", 2, 0, 1)
resolved = resolve_variable (what, scm_program_module (program));
if (!VARIABLE_BOUNDP (resolved))
{
finish_args = scm_list_1 (what);
finish_args = what;
goto vm_error_unbound;
}
what = resolved;