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* * eval.c (eval_init): register get-lines as having one optionalKaz Kylheku2015-03-281-2/+8
| | | | | | | | argument. * lib.c (lazy_stream_cons): Default the argument to std_input. * txr.1: Document that the stream is optional in get-lines.
* * txr.1: formatting fixes in weave description.Kaz Kylheku2015-03-241-1/+2
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* * lib.c (int_str): Workaround for wcstol recognizing the 0x prefix whenKaz Kylheku2015-03-201-0/+1
| | | | | | | radix is 16. Also, thrown an error if radix is not in the range 0 to 36. * txr.1: Document int-str's radix range restriction.
* * txr.c (help): Added missing documentation for -e and -p.Kaz Kylheku2015-03-171-6/+18
| | | | | | | Also documented -P. (txr_main): New option implemented, -P. * txr.1: Document -P, and clean up -e and -p documentation.
* Version 105.txr-105Kaz Kylheku2015-03-141-2/+2
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* * sysif.c (mkdir_nothrow_exists): New static function.Kaz Kylheku2015-03-101-1/+9
| | | | | | | (ensure_dir): New function. (sysif_init): ensure_dir registered as intrinsic. * txr.1: ensure_dir documented.
* New ignerr macro.Kaz Kylheku2015-02-251-0/+30
| | | | | | | | | * eval.c (me_ignerr): New static function. (eval_init): Registered ignerr macro. * txr.1: Documented. * tl.vim, txr.vim: Regenerated.
* Introducing persistent error state on streams.Kaz Kylheku2015-02-251-0/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib.c (cobj_ops): New function. * lib.h (cobj_ops): Declared. * stream.c (null_ops): Initializer updated. (struct stdio_handle): New member, err. (stdio_stream_mark): Mark the err member. (errno_to_string): New static function. (stdio_maybe_read_error, stdio_maybe_error): Set persistent error state. Use errno_to_string_function. (stdio_put_string, stdio_put_char, stdio_put_byte, stdio_seek, stdio_get_line): Set errno to zero, so that if the underlying operations do not set errno on err, we don't misinterpret some pervious errno value as pertaining to the failed stream operation. (stdio_get_error, stdio_get_error_str, stdio_clear_error): New static functions. (stdio_ops, tail_ops, pipe_ops): Update initializer with new functions. (string_in_get_error, string_in_get_error_str): New static functions. (string_in_ops): Update initializer with new functions. (byte_in_get_error, byte_in_get_error_str): New static functions. (byte_in_ops): Update initializer with new functions. (string_out_ops, strlist_out_ops): Update initializer with null pointers for new functions. (struct dir_handle): New struct type. (dir_destroy, dir_mark): New functions. (dir_get_line): Refactor for struct dir_handle context rather than DIR. Persist error state. (dir_close): Refactor for struct dir_handle. (dir_get_error, dir_get_error_str, dir_clear_error): New static functions. (dir_ops): Update initializer with new functions. (make_stdio_stream_common): Initialize new err member. (make_dir_stream): Refactor for struct dir_handle. (get_error, get_error_str, clear_error): New functions. (cat_get_error, cat_get_error_str, cat_clear_error): New static functions. (cat_stream_ops): Update initializer with new functions. (stream_init): Register get-error, get-error-str, clear-error intrinsics. * stream.h (struct strm_ops): New function pointer members, get_error, get_error_str and clear_error. (strm_ops_init): Macro extended with new arguments for new function pointers. (get_error, get_error_str, clear_error): Declared. * syslog.c (syslog_strm_ops): Update initializer with null pointers for new functions. * txr.1: Documented get-error, get-error-str and clear-error.
* String-returning wrappers for some regex matching functions.Kaz Kylheku2015-02-201-4/+33
| | | | | | | | | | | * eval.c (eval_init): Register search-regst, match-regst and match-regst-right intrinsics. * regex.c (search_regst, match_regst, match_regst_right): New functions. * regex.h (search_regst, match_regst, match_regst_right): Declared. * txr.1: Documented new variants.
* New functions pad and weave.Kaz Kylheku2015-02-121-0/+61
| | | | | | | | * eval.c (pad_func, pad, weave_while, weave_gen, weavev): New static functions. (eval_init): Registered pad and weave intrisics. * txr.1: Documented pad and weave.
* * eval.c (symacro_k, fun_k): New keyword variables.Kaz Kylheku2015-02-101-0/+36
| | | | | | | | | | (lexical_lisp1_binding): New static function. (eval_init): Initialize symacro_k and fun_k; register new intrinsic function lexical-lisp1-binding. * match.h (var_k): Existing external name declared. * txr.1: Documented lexical-lisp1-binding.
* Version 104.txr-104Kaz Kylheku2015-02-081-2/+2
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* * arith.c (trunc_rem): New function.Kaz Kylheku2015-02-071-1/+21
| | | | | | | | | | * eval.c (eval_init): Register trunc-rem intrinsic. * lib.h (trunc_rem): Declared. * txr.1: Documented trunc-rem. * tl.vim, txr.vim: Updated.
* * txr.1: fixed flurry of phrasing, formatting fumbles.Kaz Kylheku2015-02-071-12/+22
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* * sysif.c (abort_wrap): New static function.Kaz Kylheku2015-02-061-2/+25
| | | | | | | | | | (sysif_init): Registered abort intrinsic. * txr.1: Documented abort. Changed Unix Programming heading to System Programming, since exit, abort and errno are not Unix-specific, but C-specific. * tl.vim, txr.vim: Updated.
* * unwind.c (unhandled_hook_s): New static variable.Kaz Kylheku2015-02-061-0/+41
| | | | | | | | | | | | | | | | | | | (uw_throw): In the unhandled case, check if *unhandled-hook* variable has a function, and use it instead of the default logic. If it's not a function, abort with an error message. Clear it so that if the hook function re-enters this code, it will not be used. Always exit now on unhandled exceptions; do not abort. (uw_late_init): New function. * unwind.h (uw_late_init): Declared. * lib.c (init): Call uw_late_init. * txr.1: Documented *unhandled-hook*. * genvim.txr: Scan the unwind.c file, since it has a reg_var now. * tl.vim, txr.vim: Updated.
* Symbol macros shadowed by functions under dwim.Kaz Kylheku2015-02-031-20/+44
| | | | | | | | | | | * eval.c (lookup_symac_lisp1, expand_lisp1, expand_forms_lisp1): New static functions. (expand): Handle dwim's arguments via expand_forms_lisp1, rather than as a generic compound form. * txr.1: Revised text in several places to clarify this expansion rule.
* Version 103.txr-103Kaz Kylheku2015-02-011-2/+2
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* * arith.c (make_ubignum): New static function.Kaz Kylheku2015-01-291-0/+29
| | | | | | | | | | | | (sign_extend): New function. * eval.c (eval_init): Register sign-extend intrinsic. * lib.h (sign_extend): Declared. * txr.1: Documented sign-extend. * tl.vim, txr.vim: Updated.
* * txr.1: Minor change under make-random-state.Kaz Kylheku2015-01-291-1/+1
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* * txr.1: fixed use of nonexistent str-int in @(require) example;Kaz Kylheku2015-01-291-5/+3
| | | | fixed bad formatting under logtrunc and partition.
* * arith.c (width): New function.Kaz Kylheku2015-01-271-0/+28
| | | | | | | | * arith.h (width): Declared. * eval.c (eval_init): Width registered as intrisinc. * txr.1: Documented width.
* * eval.c (call_f): new global variable.Kaz Kylheku2015-01-251-0/+45
| | | | | | | | | (do_mapf, mapf): new static functions. (eval_init): protect call_f from gc, and initialize it. re-register call function using call_f. register mapf intrinsic. * txr.1: Documented mapf.
* * eval.c (eval_init): Register dupl and swap_12_21 asKaz Kylheku2015-01-251-0/+31
| | | | | | | | | | | the dup and flip intrinsics. * lib.c (do_dup): New static function. (dupl): New function. * lib.h (dupl): Declared. * txr.1: Documented dup and flip.
* * eval.c (callf): New static function.Kaz Kylheku2015-01-241-0/+32
| | | | | | (eval_init): callf registered. * txr.1: Documented callf.
* * txr.1: Grammar.Kaz Kylheku2015-01-241-1/+1
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* Basic implementation of constantp. Does notKaz Kylheku2015-01-211-0/+37
| | | | | | | | | | | recognize forms like (+ 2 2) as constant. * eval.c (constantp_noex, constantp): New functions. (eval_init): Registered constantp as intrinsic. * tl.vim, txr.vim: Updated. * txr.1: Documented constantp.
* * stream.c (get_string): New argument, close_after_p.Kaz Kylheku2015-01-211-1/+13
| | | | | | | | | | | Close the stream unless close_after_p is specified and is nil, or when it is missing, an there is no compatibility or it's newer than version 102. * stream.h (get_string): Updated declartion. * txr.1: Documented default closing behavior of get-string and the new optional argument for overriding it.
* * txr.1: Minor fix in split-str-set documentation.Kaz Kylheku2015-01-211-1/+1
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* Allow macros to tell what symbols have lexical functionKaz Kylheku2015-01-211-0/+63
| | | | | | | | | | | or variable bindings. * eval.c (lexical_var_p, lexical_fun_p): New local functions. (eval_init): Registered as intrinsics. * txr.1: Documented lexical-var-p and lexical-fun-p. * tl.vim, txr.vim: Updated.
* Version 102.txr-102Kaz Kylheku2015-01-131-2/+2
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* * arith.c (zerop): Handle character arguments.Kaz Kylheku2015-01-121-1/+26
| | | | | | | | | | | (plusp, minusp): New functions. * eval.c (eval_init): Register plusp and minusp. * lib.h (plusp, minusp): Declared. * txr.1: Documented plusp and minusp, and the handling of characters by zerop.
* * glob.c: New file.Kaz Kylheku2015-01-111-0/+83
| | | | | | | | | | | | | | | | | | | | (glob_wrap, glob_init): New functions. (errfunc_thunk): New static function. * glob.h: New file. * txr.c (main): call glob_init if HAVE_GLOB is defined. * configure (have_glob): New variable. (gen_config_make): Add have_glob to config/config.make. Detect glob function and set have_glob, and add HAVE_GLOB to config/config.h. * Makefile (OBJS): Include glob.h if have_glob is "y". * genvim.txr: Scan glob.c for functions and variables also. * txr.1: Documented glob and glob-related variables.
* * lib.c (make_like): Bugfix. (make-like nil "abc")Kaz Kylheku2015-01-111-0/+12
| | | | | | | | | | must return the empty string, not nil. Only lists of non-characters fail to convert to a string. Since programs may depend on the hitherto wrong, undocumented behavior, this is made subject to compatibility. * txr.1: Added compatibility note.
* * eval.c (merge_wrap): Make generic over sequences.Kaz Kylheku2015-01-111-10/+11
| | | | * txr.1: Update documentation for merge function.
* * txr.1: Formatting fixes.Kaz Kylheku2015-01-031-2/+2
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* Version 101.txr-101Kaz Kylheku2015-01-011-3/+3
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* * txr.1: Fix error. (set [seq index-list] new) corresponds toKaz Kylheku2014-12-311-3/+8
| | | | replace not to refset.
* * lib.c (simple_lazy_stream_func): Bugfix: close the streamKaz Kylheku2014-12-251-5/+4
| | | | | | | | | | if get_line returns nil. * stream.c (cat_get_line, cat_get_char, cat_get_byte): The catenated stream read operations close an exhausted stream before popping to the next one. * txr.1: Document closing behavior of catenated streams.
* * stream.c (stream_init): Register make_catenated_stream inKaz Kylheku2014-12-251-2/+9
| | | | | | | | a different form as cat-streams. * txr.1: Document cat-streams. * tl.vim, txr.vim: Regenerated.
* * txr.1: Small fix under get-lines.Kaz Kylheku2014-12-251-1/+1
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* * eval.c (ap_s, ret_s, aret_s): New symbol variables.Kaz Kylheku2014-12-231-0/+42
| | | | | | | | | | | | (me_ret): Static function renamed to me_ret_aret. Handles ret and aret macro expansion. (eval_init): Initialize ap_s, ret_s and aret_s. Re-register ret macro using ret_s and bind to me_ret_aret. Register aret macro. * txr.1: Documented aret. * tl.vim, txr.vim: Regenerated.
* * eval.c (eval_init): Registered intrinsic function unique.Kaz Kylheku2014-12-231-0/+69
| | | | | | | | | | | * lib.c (unique): New function. (uniq): Becomes wrapper around unique. * lib.h (unique): Declared. * txr.1: Documented unique, and equivalence between uniq and unique. * tl.vim, txr.vim: Regenerated.
* * lib.c (copy): Support copying random state objectsKaz Kylheku2014-12-181-11/+17
| | | | | | vi make_random_state. * txr.1: Updated.
* * rand.c (rand32): Bugfix: if the seed object is a randomKaz Kylheku2014-12-171-1/+10
| | | | | | | | | state, we do not want to make the 8 calls to rand32 to mix up the state; we need are making a straight copy. * txr.1: Document the possibility that the seed object is a random state. Document the platform-independence of the integer seed.
* * arith.c (tofloat, toint): Handle characters.Kaz Kylheku2014-12-051-0/+5
| | | | | | Fix error message in toint wrongly identifying itself as tofloat. * txr.1: Document handling of characters.
* * eval.c (eval_init): Register in function as intrinsic.Kaz Kylheku2014-12-051-0/+53
| | | | | | | | | | * lib.c (in): New function. * lib.h (in): Declared. * txr.1: Documented in. * txr.vim, tl.vim: Regenerated.
* * eval.c (eval_init): Register lequal and gequal.Kaz Kylheku2014-11-271-0/+32
| | | | | | | | | | * lib.c (lequal, gequal, lequalv, gequalv): New functions. * lib.h (lequal, gequal, lequalv, gequalv): Declared. * txr.1: Documented lequal and gequal. * txr.vim, tl.vim: Regenerated.
* * eval.c (eval_init): Register less and greater toKaz Kylheku2014-11-271-4/+27
| | | | | | | | | | the lessv and greaterv functions instead of less and greater. * lib.c (lessv, greaterv): New functions. * lib.h (lessv, greaterv): Declared. * txr.1: Document variadic nature of less and greater.
* * eval.c (eval_init): Register sort-group.Kaz Kylheku2014-11-211-0/+32
| | | | | | | | * lib.c (sort_group): New function. * lib.h (sort_group): Declared. * txr.1: Documented.
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