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* Adding getenv, setenv and unsetenv.Kaz Kylheku2015-04-181-0/+4
| | | | | | | | | | | | | | * lib.c (setenv, unsetenv): Changed static functions to external. Moved them out of the #if !HAVE_TIMEGM block. * lib.h (setenv, unsetenv): Declared. * sysif.c (getenv_wrap, setenv_wrap, unsetenv_wrap): New functions. (sysif_init): Registered getenv, setenv and unsetenv. * txr.1: Documented getenv, setenv and unsetenv. * tl.vim, txr.vim: Regenerated.
* Introducing persistent error state on streams.Kaz Kylheku2015-02-251-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * arith.c (trunc_rem): New function.Kaz Kylheku2015-02-071-0/+1
| | | | | | | | | | * eval.c (eval_init): Register trunc-rem intrinsic. * lib.h (trunc_rem): Declared. * txr.1: Documented trunc-rem. * tl.vim, txr.vim: Updated.
* Update copyright notices from 2014 to 2015.Kaz Kylheku2015-02-011-1/+1
| | | | | | | | | | | * arith.c, arith.h, combi.c, combi.h, debug.c, debug.h, eval.c, eval.h, filter.c, filter.h, gc.c, gc.h, hash.c, hash.h, lib.c, lib.h, match.c, match.h, parser.h, rand.c, rand.h, regex.c, regex.h, signal.c, signal.h, stream.c, stream.h, sysif.c, sysif.h, syslog.c, syslog.h, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h: Update. * LICENSE, METALICENSE: Likewise.
* Use macro to initialize cobj_ops.Kaz Kylheku2015-01-291-0/+3
| | | | | | | | | | * lib.h (cobj_ops_init): New macro. * hash.c (hash_ops, hash_iter_ops): Initialize with cobj_ops_init. * rand.c (random_state_ops): Likewise. * regex.c (char_set_obj_ops, regex_obj_ops): Likewise.
* * arith.c (make_ubignum): New static function.Kaz Kylheku2015-01-291-0/+1
| | | | | | | | | | | | (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.
* * eval.c (eval_init): Register dupl and swap_12_21 asKaz Kylheku2015-01-251-0/+1
| | | | | | | | | | | 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.
* * arith.c (zerop): Handle character arguments.Kaz Kylheku2015-01-121-0/+2
| | | | | | | | | | | (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.
* Fix for LLVM wchar_t literals not being four byteKaz Kylheku2015-01-121-1/+4
| | | | | | | | | | | | | | | | | aligned, affecting OS X port. * configure: Detect a SIZEOF_WCHAR_T when detecting integer type that will hold a pointer. In the lit_align test, if we are on Apple Mac OSX, use a lit_align of 2, so the logic kicks in for padding literals and handling misalignment. * lib.h (litptr): Add a case for LIT_ALIGN < 4 and SIZEOF_WCHAR_T == 4. In this case we do the arithmetic on the pointer using short *, and then convert to wchar_t. * HACKING: New section 2.4.3 about new wchar_t hack.
* * eval.c (eval_init): Registered intrinsic function unique.Kaz Kylheku2014-12-231-0/+1
| | | | | | | | | | | * 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 (func_n1ov, func_n2ov, func_n3ov): New functions.Kaz Kylheku2014-12-231-0/+3
| | | | * lib.h (func_n1ov, func_n2ov, func_n3ov): Declared.
* * lib.c (func_n0o): Useless, unused function removed.Kaz Kylheku2014-12-231-1/+0
| | | | * lib.h (func_n0o): Declaration removed.
* * eval.c (eval_init): Register in function as intrinsic.Kaz Kylheku2014-12-051-0/+1
| | | | | | | | | | * 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/+4
| | | | | | | | | | * 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 Kylheku2014-11-271-0/+2
| | | | | | | | | | 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/+1
| | | | | | | | * lib.c (sort_group): New function. * lib.h (sort_group): Declared. * txr.1: Documented.
* * arith.c (wrap_star, wrap): New functions.Kaz Kylheku2014-11-201-0/+2
| | | | | | | | * eval.c (eval_init): Registered wrap and wrap* intrinsics. * lib.h (wrap_star, wrap): Declared. * txr.1: wrap and wrap* documented.
* * arith.c (succ, ssucc, sssucc, pred, ppred, pppred): New functions.Kaz Kylheku2014-11-201-0/+6
| | | | | | | | * eval.c (eval_init): Register new functions as intrinsics. * lib.h (succ, ssucc, sssucc, pred, ppred, pppred): Declared. * txr.1: Documented.
* * lib.c (where): Argument order reversed, with compat support.Kaz Kylheku2014-11-201-1/+1
| | | | | | * lib.h (where): Declaration updated. * txr.1: Documented.
* * lib.c (max2, min2): Use the less comparison functionKaz Kylheku2014-11-151-2/+2
| | | | | | | | | for generic semantics. * lib.h (max2, min2): Parameter names changed to avoid suggesting that the operands are numbers. * txr.1: Documentation for min and max updated.
* * eval.c (eval_init): Register chand intrinsic.Kaz Kylheku2014-11-061-0/+1
| | | | | | | | | * lib.c (do_chand): New static function. (chandv): New function. * lib.h (chandv): Declared. * txr.1: Documented chand.
* * lib.c (chk_grow_vec): New function.Kaz Kylheku2014-10-301-0/+2
| | | | | | | | | (string_extend): Use chk_grow_vec. (vec_set_length): Avoid subtractions for comparing numbers. * lib.h (chk_grow_vec): Declared. * stream.c (snarf_line, string_out_put_string): Use chk_grow_vec.
* * lib.c (type_check): Function moved to header file inline.Kaz Kylheku2014-10-261-1/+7
| | | | | | | (throw_mismatch): New function. * lib.h (throw_mismatch): Declared. (type_mismatch): Declaration turned into inline function.
* * Makefile: Removing trailing spaces.Kaz Kylheku2014-10-241-1/+1
| | | | | | | | | | (GREP_CHECK): New macro. (enforce): Rewritten using GREP_CHECK, with new checks. * arith.c, combi.c, debug.c, eval.c, filter.c, gc.c, hash.c, lib.c, * lib.h, match.c, parser.l, parser.y, rand.c, regex.c, signal.c, * signal.h, stream.c, syslog.c, txr.c, unwind.c, utf8.c: Remove trailing spaces.
* * eval.c (eval_init): Register notf intrinsic function.Kaz Kylheku2014-10-211-0/+1
| | | | | | | | | | | | | | * lib.c (do_not): New static function. (notf): New function. * lib.h (notf): Declared. * txr.1: Documented notf. * share/txr/stdlib/txr-case.txr (bindable): Eliminated. (txr-if): Use functional expression, taking advantage of notf. * txr.vim: Regenerated.
* Converting cast expressions to macros that are retargettedKaz Kylheku2014-10-171-16/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | to C++ style casts when compiling as C++. * lib.h (strip_qual, convert, coerce): New casting macros. (TAG_MASK, tag, type, wli_noex, auto_str, static_str, litptr, num_fast, chr, lit_noex, nil, nao): Use cast macros. * arith.c (mul, isqrt_fixnum, bit): Use cast macros. * configure (INT_PTR_MAX): Define using cast macro. * debug.c (debug_init): Use cast macro. * eval.c (do_eval, expand_macro, reg_op, reg_mac, eval_init): Use cast macros. * filter.c (filter_init): Use cast macro. * gc.c (more, mark_obj, in_heap, mark, sweep_one, unmark): Use cast macros. * hash.c (hash_double, equal_hash, eql_hash, hash_equal_op, hash_hash_op, hash_print_op, hash_mark, make_hash, make_similar_hash, copy_hash, gethash_c, gethash, gethash_f, gethash_n, remhash, hash_count, get_hash_userdata, set_hash_userdata, hash_iter_destroy, hash_iter_mark, hash_begin, hash_uni, hash_diff, hash_isec): Use cast macros. * lib.c (code2type, chk_malloc, chk_malloc_gc_more, chk_calloc, chk_realloc, chk_strdup, num, c_num, string, mkstring, mkustring, upcase_str, downcase_str, string_extend, sub_str, cat_str, trim_str, c_chr, vector, vec_set_length, copy_vec, sub_vec, cat_vec, cobj_print_op, obj_init): Likewise. * match.c (do_match_line, hv_trampoline, match_files, dir_tables_init): Likewise. * parser.l (grammar): Likewise. * parser.y (parse): Likewise. * rand.c (make_state, make_random_state, random_fixnum, random): Likewise. * regex.c (CHAR_SET_L2_LO, CHAR_SET_L2_HI, CHAR_SET_L1_LO, CHAR_SET_L1_HI, CHAR_SET_L0_LO, CHAR_SET_L0_HI, L0_full, L0_fill_range, L1_full, L1_fill_range, L1_contains, L1_free, L2_full, L2_fill_range, L2_contains, L2_free, L3_fill_range, L3_contains, L3_free, char_set_create, char_set_cobj_destroy, nfa_state_accept, nfa_state_empty, nfa_state_single, nfa_state_wild, nfa_state_set,
* Purge stray occurrences of "void *" from code base.Kaz Kylheku2014-10-171-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * lib.c (cobj_print_op): In the format call, cast the C pointer to val, since the ~p conversion now takes a val rather than void *. (cptr_equal_op, obj_print, obj_pprint): Remove cast to void *, since obj now already has the type that ~p expects. * lib.h (struct any): Use mem_t * instead of void *. * parser.h (yyscan_t): Repeat the definition from inside the Flex-generated lex.yy.c. (yylex_init, yylex_destroy, yyget_extra, yyset_extra): Re-declare using yyscan_t typedef in place of void *. * parser.l (yyget_column, yyerrprepf): Re-declare using yyscan_t. (grammar): Use yyg in place of yyscanner in calls to yyerrprepf. * parser.y (yylex, %lex-param): Use yyscan_t instead of void *. (parse): Use yyscan_t for local variable. * signal.c (stack): Change type from void * to mem_t *. * stream.c (vformat): Conversion specifier p extracts val instead of void *. (run): Use casts that only remove const, not all the way to void *. * txr.1: Documented p conversion specifier of format. * Makefile (OBJS-y): Initialize with := to make sure it is a simple variable, and not a macro. (SRCS): New variable, listing source files. (enforce): New rule for enforcing coding conventions. Currently checks for void * occurrences.
* * arith.c (gcd): Fix semantics. If either operand isKaz Kylheku2014-10-161-0/+3
| | | | | | | | | | | | | | | | zero, return the other operand. (lcm): New function. * eval.c (eval_init): Retarget registration of gcd to variable argument gcdv function. Register lcm. * lib.c (gcdv, lcmv): New functions. * lib.h (gcdv, lcm, lcmv): Declared. * txr.1: Re-document gcd with coverage of lcm. * txr.vim: Regenerated.
* * eval.c (eval_init): Register greater function as intrinsic.Kaz Kylheku2014-10-131-2/+3
| | | | | | | | | | | | | | | | | | | | * lib.c (gt_f, lt_f): Global variables removed. (greater_f): New variable. (greater): New function. (find_max, pos_max): Use greater_f as default for testfun, rather than gt_f. (find_min, pos_min): Use less_f as default for testfun, rather than lt_f. (obj_init): Remove references to gt_f and lt_f. GC-protect and initialize greater_f. * lib.h (greater_f): Declared. (gt_f, lt_f): Declarations removed. * txr.1: Documented greater, and use of less and greater in pos-min, pos-max, find-min and find-max. * txr.vim: Regenerated.
* * eval.c (merge_wrap): New static functionKaz Kylheku2014-10-121-2/+4
| | | | | | | | | | | | | | | | | | | | | | | | | | (eval_init): Register less as intrinsic. Retarget merge intrinsic to merge_wrap for proper argument defaulting which is missing from merge, and which we don't want to introduce there since internal calls to merge don't erquire it. Change registration of sort so it has only one required argument, not two. * lib.c (less_f): New global variable. (less_tab): New static array. (less_tab_init): New static function. (less): New function. (sort): Default lessfun argument to the less function. (obj_init): GC-protect the less_f variable. Initialize it with a function object made from the less function. (init): Call less_tab_init. * lib.h (enum type): New enumeration member MAX_TYPE, an alias for the largest type. (less_f, less): Declared. * txr.1: Documented new less function, and that the lessfun argument in sort and merge is optional, defaulting to less. * txr.vim: Regenerated.
* * eval.c (eval_init): Register chr_isblank and chr_isunisp asKaz Kylheku2014-10-111-0/+2
| | | | | | | | | | | | | | | | intrinsics. * lib.c (chr_isblank, chr_isunisp): New functions. * lib.h (chr_isblank, chr_isunisp): Declared. * regex.h (spaces): Declaration for existing variable added. * txr.1: Documented chr-isblank and chr-isunisp. * genvim.txr: Add missing sysif.c. * txr.vim: Regenerated.
* Using unified COBJ representation for both regex kinds,Kaz Kylheku2014-10-021-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | rather than the list-based notation for derivative-based regexes, and an encapsulated COBJ for NFA-based regexes. * lib.c (compiled_regex_s): Variable removed. (obj_init): Initialization of compiled_regex_s removed. * lib.h (compiled_regex_s): Declaration removed. * regex.c (struct regex, regex_t): New type. (regex_destroy): Object is now a regex_t, not nfa_t. (regex_mark): New function. (regex_obj_ops): Register regex_mark operation. (reg_nullable, reg_derivative): Remove cases that handles compiled_regex_s. (regex_compile): Output of dv_compile_regex becomes a cobj nwo. Output of nfa_compile_regex must be embedded in regex_t structure. (regexp): Drop the check for compiles_regex_s. (regex_nfa): Function removed. (regex_run, regex_machine_init): Use cobj_handle to retrieve regex_t * pointer and dispatch appropriate code based on regex->kind.
* * lib.c (compat_fixup): void return changed to int.Kaz Kylheku2014-09-101-1/+1
| | | | | | | | | Returns minimum supported emulation. * lib.h (compat_fixup): Declaration fixed. * txr.c (compat): Replace hard-coded min version by return value of compat_fixup.
* * eval.c (eval_init): Register intrinsic partition* function.Kaz Kylheku2014-09-091-0/+1
| | | | | | | | | * lib.c (partition_star_func): New static function. (partition_star): New function. * lib.h (partition_star): Declared. * txr.1: Documented partition*.
* * eval.c (eval_init): Register intrinsic partition function.Kaz Kylheku2014-09-091-0/+1
| | | | | | | | | * lib.c (partition_func): New static function. (partition): New function. * lib.h (partition): Declared. * txr.1: Documented partition.
* * lib.c (symbol_setname): New static function.Kaz Kylheku2014-09-031-0/+1
| | | | | | | | | | | | | | (obj_init): Change exception symbol names with underscores to use friendly dashes instead. (compat_fixup): New function. * lib.h (compat_fixup): Declared. * txr.1: Change occurrences of exception symbols from underscores to dashes. * txr.c (txr_main): Call compat_fixup when -C option is processed.
* * eval.c (eval_init): Update registration of lisp-parse and readKaz Kylheku2014-09-021-1/+1
| | | | | | | | | | | | | | | | | | | | to account for new parameter. * lib.c (syntax_error_s): New symbol_variable. (obj_init): New symbol variable initialized. * lib.h (syntax_error_s): Declared. * parser.h (lisp_parse): Declaration updated. * parser.l (lisp_parse): Takes third parameter. * txr.1: Third parameter of read described. * txr.c (txr_main): Pass colon_k to third parameter of lisp_parse to obtain exception throwing behavior. * unwind.c (uw_init): Register syntax-error as subtype of error.
* * eval.c (eval_init): Register uniq function.Kaz Kylheku2014-07-291-0/+1
| | | | | | | | * lib.c (uniq): New function. * lib.h (uniq): Declared. * txr.1: Documented uniq.
* * eval.c (eval_init): Register nconc as intrinsic.Kaz Kylheku2014-07-291-0/+1
| | | | | | | | * lib.c (nconcv): New function. * lib.h (nconcv): Declared. * txr.1: Documented nconc.
* * eval.c (eval_init): Register partition-by intrinsic.Kaz Kylheku2014-07-281-0/+1
| | | | | | | | | * lib.c (partition_by_func): New static function. (partition_by): New function. * lib.h (partition_by): Declared. * txr.1: Documented partition-by.
* * Makefile, arith.c, arith.h, combi.c, combi.h, configure, debug.c,Kaz Kylheku2014-07-231-16/+16
| | | | | | | | debug.h, eval.c, eval.h, filter.c, filter.h, gc.c, gc.h, hash.c, hash.h, lib.c, lib.h, match.c, match.h, parser.h, parser.l, parser.y, rand.c, rand.h, regex.c, regex.h, signal.c, signal.h, stream.c, stream.h, syslog.c, syslog.h, txr.c, txr.h, unwind.c, unwind.h, utf8.c, utf8.h: Synchronize license header with LICENSE.
* * eval.c (eval_init): Register juxt as intrinsic.Kaz Kylheku2014-07-201-0/+1
| | | | | | | | | * lib.c (do_juxt): New static function. (juxtv): New function. * lib.h (juxtv): Declared. * txr.1: Documented juxt.
* * eval.c (mapdov): New function.Kaz Kylheku2014-07-191-0/+1
| | | | | | | | | | | (eval_init): Register mapdo intrinsic. * lib.c (mapdo): New function. * lib.h (mapdo): Declared. * txr.1: Documented mapdo. Documented zero-argument case for mapcar, mapcar*, mappend and mappend*.
* * Makefile (conftest, conftest2): Link mathKaz Kylheku2014-07-181-0/+1
| | | | | | | | | | | | | | | | | | | library so we can test for math functions. * arith.c (log2_init): New static function. (log2, logtwo): New functions. (l2): New static variable. (arith_init): Call log2_init. * configure (lang_flags): Switching _XOPEN_SOURCE from 500 to 600 to reveal log2. Adding test for log2. * eval.c (eval_init): Register log2 intrinsic. * lib.h (logtwo): Declared. * txr.1: Documented log2.
* * eval.c (eval_init): Register interpose and lconsp as intrinsics.Kaz Kylheku2014-07-141-0/+2
| | | | | | | | | * lib.c (lconsp, interpose): New functions. (lazy_interpose_func, lazy_interpose): New static functions. * lib.h (lconsp, interpose): Declared. * txr.1: Documented lconsp and interpose.
* * arith.c (bit): New function.Kaz Kylheku2014-06-281-0/+1
| | | | | | | | | | * eval.c (eval_init): Register bit as intrinsic. * lib.h (bit): Declared. * mpi-patches/add-bitops (mp_bit): New function. * txr.1: Documented bit
* Bugfix: apply_intrinsic and iapply must not destructivelyKaz Kylheku2014-06-271-0/+1
| | | | | | | | | | | | manipulate argument lists. * eval.c (apply_frob_args): Rewrite to non-destructive one-pass version. (iapply): Likewise. * lib.c (term): New function. * lib.h (term): Declared.
* * eval.c (eval_init): register range_regex and tok_whereKaz Kylheku2014-06-261-0/+1
| | | | | | | | | | | | | | as intrinsics. * lib.c (tok_where): New function. * lib.h (tok_where): Declared. * regex.c (range_regex): New function. * regex.h (range_regex): Declared. * txr.1: Documented tok-where and range-regex.
* * eval.c (mapcarv): Use mapcar_listout, so list_of_lists can beKaz Kylheku2014-06-261-0/+2
| | | | | | | | | | | | | a non-list sequence. (eval_init): Register transpose and zip as intrinsics. * lib.c (curry_12_1_v): New static function. (transpose, mapcar_listout): New functions. (mapcar): Redefined in terms of mapcar_listout. * lib.h (transpose, mapcar_listout): Declared. * txr.1: Documented transpose and zip.
* * eval.c (me_ap): New static function.Kaz Kylheku2014-06-191-1/+2
| | | | | | | | | | | | | | (eval_init): Use new list_f instead of func_n0v(identity). Register multi as intrinsic. Register me_ap as ap macro. * lib.c (list_f): New global variable. (multi): New function. (multi_sort): Use list_f in place of func_n0v(identity). (obj_init): gc-protect and initialize list_f. * lib.h (list_f, multi): Declared. * txr.1: Documented multi and ap.
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