Mercurial > hg > xemacs-beta
diff src/eval.c @ 5084:6afe991b8135
Add a PARSE_KEYWORDS macro, use it in #'make-hash-table.
lisp/ChangeLog addition:
2010-03-01 Aidan Kehoe <kehoea@parhasard.net>
* cl-seq.el (cl-parsing-keywords):
* cl-macs.el (cl-do-arglist):
Use the new invalid-keyword-argument error here.
src/ChangeLog addition:
2010-03-01 Aidan Kehoe <kehoea@parhasard.net>
* lisp.h (PARSE_KEYWORDS): New macro, for parsing keyword
arguments from C subrs.
* elhash.c (Fmake_hash_table): Use it.
* general-slots.h (Q_allow_other_keys): Add this symbol.
* eval.c (non_nil_allow_other_keys_p):
(invalid_keyword_argument):
New functions, called from the keyword argument parsing code.
* data.c (init_errors_once_early):
Add the new invalid-keyword-argument error here.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Mon, 01 Mar 2010 21:05:33 +0000 |
| parents | 6f2158fa75ed |
| children | 47bcef7b0b44 |
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--- a/src/eval.c Fri Feb 26 15:52:24 2010 +0000 +++ b/src/eval.c Mon Mar 01 21:05:33 2010 +0000 @@ -418,6 +418,29 @@ static Lisp_Object maybe_get_trapping_problems_backtrace (void); + +/* When parsing keyword arguments; is some element of NARGS + :allow-other-keys, and is that element followed by a non-nil Lisp + object? */ + +Boolint +non_nil_allow_other_keys_p (Elemcount offset, int nargs, Lisp_Object *args) +{ + Lisp_Object key, value; + while (offset + 1 < nargs) + { + key = args[offset++]; + value = args[offset++]; + if (EQ (key, Q_allow_other_keys)) + { + /* The ANSI Common Lisp standard says the first value for a given + keyword overrides. */ + return !NILP (value); + } + } + return 0; +} + /************************************************************************/ /* The subr object type */ /************************************************************************/ @@ -3050,6 +3073,12 @@ } DOESNT_RETURN +invalid_keyword_argument (Lisp_Object function, Lisp_Object keyword) +{ + signal_error_1 (Qinvalid_keyword_argument, list2 (function, keyword)); +} + +DOESNT_RETURN invalid_constant (const Ascbyte *reason, Lisp_Object frob) { signal_error (Qinvalid_constant, reason, frob);