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fix bug in self-tail-recursion with "external" variables; other sundries

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* gdbinit (pp, inst): New commands.

* libguile/vm-engine.c (vm_error_not_a_pair): New error case.

* libguile/vm-i-scheme.c (VM_VALIDATE_CONS): New macro -- use this
  instead of SCM_VALIDATE_* because SCM_VALIDATE will exit nonlocally
  before we have a chance to sync the regs.
  (car, cdr, set-car, set-cdr): Use VM_VALIDATE_CONS.

* libguile/vm-i-system.c (goto/args): Bugfix: when doing a
  self-tail-recursion, allocate fresh externals. Fixes use of match.go.

* module/system/vm/assemble.scm (dump-object!): Add some checks that we
  aren't dumping out values that the VM can't handle.

* module/system/vm/disasm.scm (disassemble-externals): Fix rotten call to
  `print-info'.

* oop/goops/dispatch.scm: Add a FIXME.

* testsuite/Makefile.am (vm_test_files):
* testsuite/t-closure4.scm (extract-symbols): New test, distilled with
  much effort out of match.scm.

* ice-9/Makefile.am (NOCOMP_SOURCES): Re-enable compilation of match.scm.
  Yay!
This commit is contained in:
Andy Wingo 2008-10-18 19:21:44 +02:00
parent b3b45ac15e
commit 5e390de62f
10 changed files with 66 additions and 12 deletions
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6
libguile/vm-engine.c
View file

@ -180,6 +180,12 @@ vm_run (SCM vm, SCM program, SCM args)
err_msg = scm_from_locale_string ("VM: Attempt to unroll an improper list: tail is ~A");
goto vm_error;
vm_error_not_a_pair:
SYNC_ALL ();
scm_wrong_type_arg_msg (FUNC_NAME, 1, err_args, "pair");
/* shouldn't get here */
goto vm_error;
vm_error_no_values:
err_msg = scm_from_locale_string ("VM: 0-valued return");
err_args = SCM_EOL;