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* * match.c (dest_bind): Remove the restriction of not allowingKaz Kylheku2014-10-171-0/+55
| | | | | | | | | | | @(expr ...) and @var on the left side of a bind. This is useful, and necessary for @(line @(lisp expr)) to work: matching computed line numbers and character positions. * txr.1: Document use of Lisp on left hand side of bind, that there is a restriction on the left hand side of a set, and that Lisp can be used in a line or chr directive for computed matches.
* Purge stray occurrences of "void *" from code base.Kaz Kylheku2014-10-171-0/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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 Kylheku2014-10-161-25/+50
| | | | | | | | | | | | | | | | 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.
* New @(line) and @(chr) directives.Kaz Kylheku2014-10-161-0/+67
| | | | | | | | | | | | | * match.c (line_s): New variable. (h_chr, v_line): New static functions. (syms_init): line_s initialized. (dir_tables_init): Register v_line and h_chr. * match.h (line_s): Declared. * txr.1: Document @(line) and @(chr) directives. * txr.vim: Regenerated.
* * match.c (subst_vars): Fix buggy rendering of TXR Lisp expressionsKaz Kylheku2014-10-151-0/+15
| | | | | | | | | | | | | | | | | that evaluate to lists. For instance `@(list)` renders to the string "nil", and `@(list 1 2)` renders as "(1 2)". The desired behavior is "" and "1 2", respectively. (do_output_line): In output directives, there is a similar problem. A @(list) in the middle of an output block turns to nil, and a @(list 1 2) renders in parentheses as (1 2). Furthermore, there is the additional problem that no filtering is applied to the interpolated value. These behaviors are subject to the compatibility option, since they change the externally visible behavior of TXR programs. * txr.1: Document that empty lists in @(output) variable substitutions turn into nothing. Document value of 100 for -C option, describing the above issue.
* * txr.1: Round of fixes.Kaz Kylheku2014-10-131-77/+140
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* * eval.c (eval_init): Register greater function as intrinsic.Kaz Kylheku2014-10-131-7/+39
| | | | | | | | | | | | | | | | | | | | * 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 Kylheku2014-10-121-3/+134
| | | | | | | | | | | | | | | | | | | | | | | | | | (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/+55
| | | | | | | | | | | | | | | | 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.
* Fix 2011-12-03 regression. The freeform directive codeKaz Kylheku2014-10-081-12/+19
| | | | | | | | | | | | | | | | | | | relies on lazy_str_get_trailing_list and the behavior of that function changed because (split-str "" any-separator) changed from returning nil to returning the empty string. The resulting behavior change of lazy_str_get_trailing_list was later described in the documentation, thereby codifying it. This patch changes the lazy_str_get_trailing_list behavior, which is poor, and causes infinite looping. We do not want an extra empty string prepended, because it looks like a spurious line. * lib.c (lazy_str_get_trailing_list): if split_str produces a the list (""), then just return the unmaterialized list from the lazy string without prepending that one-element list to it. * txr.1: Updated documentation for lazy-str-get-trailing-list.
* Version 99.txr-99Kaz Kylheku2014-10-051-2/+2
| | | | | | | | | | | | * RELNOTES: Updated. * configure, txr.1: Bumped version. * share/txr/stdlib/ver.txr: Likewise * Makefile: Improve binary packaging rules. * regex.c: #include <stdarg.h> added.
* * txr.1: Small fixes.Kaz Kylheku2014-10-051-2/+2
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* * match.c (h_var): Fix regression introduced in 2014-08-11Kaz Kylheku2014-10-031-2/+18
| | | | | | | | | | | commit. The incompleteness of that change broke the case of an unbound variable followed by a bound variable. The value of the second variable was still being wrapped in the old complicated representation before being pushed to the front of the spec. * txr.1: Replace bogus text which says that variables are not bound to regexes, and so regex matches from variable substitutions do not arise. This works fine after this change.
* * genman.txr: Add PayPal donation button.Kaz Kylheku2014-09-301-42/+52
| | | | | * txr.1: Avoid escapes at the end of a line; man2html doesn't handle this properly.
* * genman.txr: TXR is now bolded in the title.Kaz Kylheku2014-09-301-347/+407
| | | | * txr.1: More formatting and wording fixes.
* Version 98.txr-98Kaz Kylheku2014-09-261-2/+2
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* * txr.1: Substantially revised with rich troff markup,Kaz Kylheku2014-09-261-10024/+18923
| | | | | | | and restructured in some places. * genman.txr: No longer generate the whole document in monospaced font. Add hyperlinks.
* * txr.1: Fix version.Kaz Kylheku2014-09-131-1/+1
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* * txr.1: Quoting issue, reported by groff.Kaz Kylheku2014-09-121-1/+1
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* * lib.c (compat_fixup): void return changed to int.Kaz Kylheku2014-09-101-0/+2
| | | | | | | | | Returns minimum supported emulation. * lib.h (compat_fixup): Declaration fixed. * txr.c (compat): Replace hard-coded min version by return value of compat_fixup.
* * txr.c (help): List new --compat option.Kaz Kylheku2014-09-091-0/+4
| | | | | | | | | (requires_arg, do_fixnum_opt, compat, array_dim, gc_delta): New static functions. (txr_main): Use do_fixnum_opt for handling options with integer argument. Add --compat alias for -C. * txr.1: Documented --compat. Added missing description of --debugger.
* * eval.c (eval_init): Register intrinsic partition* function.Kaz Kylheku2014-09-091-0/+41
| | | | | | | | | * 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/+42
| | | | | | | | | * lib.c (partition_func): New static function. (partition): New function. * lib.h (partition): Declared. * txr.1: Documented partition.
* * gc.c (MALLOC_DELTA_THRESH): Macro remaned to DFL_MALLOC_DELTA_THRESH.Kaz Kylheku2014-09-081-0/+58
| | | | | | | | | | | | | | | | | | | | | (opt_gc_delta): New global variable. (make_obj): Use opt_gc_delta rather than MALLOC_DELTA_THRESH. (gc_set_delta, gc_wrap): New static functions. (gc_late_init): New function. * gc.h (gc_late_init): Declared. * genvim.txr: scan gc.c also. * lib.c (init): call gc_late_init. * txr.1: Document new --gc-delta option and the functions gc and gc-set-delta. * txr.c (help): Help text for --gc-delta. (txr_main): Parse --gc-delta option. * txr.h (opt_gc_delta): Declared.
* * lib.c (symbol_setname): New static function.Kaz Kylheku2014-09-031-13/+42
| | | | | | | | | | | | | | (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.
* * txr.1: Document -C option.Kaz Kylheku2014-09-021-0/+11
| | | | | | | | | * txr.c (opt_compat): New global variable. (help): Describe -C option. (txr_main): Process -C, and set opt_compat. Ensure -C does not clump. * txr.h (opt_compat): Declared.
* * eval.c (eval_init): Update registration of lisp-parse and readKaz Kylheku2014-09-021-4/+5
| | | | | | | | | | | | | | | | | | | | 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.
* * arith.c (arith_init): Register some variables: *flo-dig*,Kaz Kylheku2014-09-011-3/+37
| | | | | | | | | | | | *flo-min*, *flo-max*, *flo-epsilon*, *pi* and *e*. * genvim.txr: Include arith.c in scan for symbols. * lib.c (init): arith_init() must now be called after eval_init(). * txr.1: Documented new variables.. * txr.vim: Updated.
* Version 96.txr-96Kaz Kylheku2014-08-141-2/+2
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* Fix regression in previous change: we must match a compound textKaz Kylheku2014-08-131-26/+20
| | | | | | | | | | | | element whole, and not break it up. * match.c (search_match): Take a spec argument. (h_var): Turn a text element into a one-element spec and process with search_match. * txr.1: Updated text about matching of variables followed by a directive or function, and about consecutive variables via directive.
* * filter.c (filter_init): Expose the trie-lookup-begin,Kaz Kylheku2014-08-091-0/+58
| | | | | | trie-value-at and trie-lookup-feed-char functions as intrinsics. * txr.1: Document exposed functions.
* Bugfix: ret operator does not generate functionsKaz Kylheku2014-08-081-1/+4
| | | | | | | | | that take any number of arguments. * eval.c (me_ret): Generate (op identity (progn @rest <expr>)) rather than of (op identity <expr>). * txr.1: Update misleading equivalence.
* Version 95.txr-95Kaz Kylheku2014-08-071-2/+2
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* Version 94.txr-94Kaz Kylheku2014-08-051-2/+2
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* * configure (have_sys_time): New variable.Kaz Kylheku2014-08-011-0/+37
| | | | | | | | | | | | | | Added check for setitimer/getitimer which also checks for <sys/time.h>. * signal.c (sig_init): Register itimer-real, itimer-virtual, itimer-prof variables and getitimer and setitimer functions. (tv_to_usec): New static function. (getitimer_wrap, setitimer_wrap): New functions. * signal.h (getitimer_wrap, setitimer_wrap): Declared. * txr.1: Documented itimers.
* * eval.c (getpid_wrap, getppid_wrap): New static functions.Kaz Kylheku2014-07-301-0/+29
| | | | | | | | | (eval_init): Registered getpid and getppid intrinsics. * signal.c (kill_wrap): New static function. (sig-init): Registered kill intrinsic function. * txr.1: Documented getpid, gettpid and kill.
* * parser.l: Allow unquotes and splices in QSPECIAL and BRACED states.Kaz Kylheku2014-07-301-0/+12
| | | | | | | | | * parser.y (quasi_item): Support splices as items. * genvim.txr: Syntax highlighting support for unquotes in quasiliterals. * txr.vim: Updated.
* * eval.c (eval_init): Register uniq function.Kaz Kylheku2014-07-291-0/+16
| | | | | | | | * lib.c (uniq): New function. * lib.h (uniq): Declared. * txr.1: Documented uniq.
* * eval.c (repeatv): Renamed to repeat. Turned into functionKaz Kylheku2014-07-291-3/+11
| | | | | | | | | with one optional argument, reflecting existing behavior. (eval_init): Registration of repeat updated. * txr.1: Fixed incorrect documentation which falsely suggests that repeat takes multiple lists, and doesn't mention the optional count.
* * eval.c (eval_init): Register nconc as intrinsic.Kaz Kylheku2014-07-291-3/+8
| | | | | | | | * lib.c (nconcv): New function. * lib.h (nconcv): Declared. * txr.1: Documented nconc.
* * eval.c (giterate_func, giterate): Adjusting semantics of giterate toKaz Kylheku2014-07-291-8/+9
| | | | | | | | include seed item in the sequence. The while test is applied to each item before it is passed through the function. Also, eliminated useless rplacd operation. * txr.1: Updated documentation of giterate.
* * eval.c (eval_init): Register partition-by intrinsic.Kaz Kylheku2014-07-281-0/+39
| | | | | | | | | * lib.c (partition_by_func): New static function. (partition_by): New function. * lib.h (partition_by): Declared. * txr.1: Documented partition-by.
* * arith.c (rising_product): Fix wrong m == n case,Kaz Kylheku2014-07-281-4/+4
| | | | | | which breaks the n_perm_k function for k == 1. * txr.1: Fix typo: n-choose-k written in place of n-perm-k.
* * txr.1: Fix bad non-floating-point constant examples.Kaz Kylheku2014-07-281-1/+3
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* * txr.1: typo: List Literals not Lists. FixKaz Kylheku2014-07-281-2/+2
| | | | incorrect octal example.
* * eval.c (giterate_func, giterate): New static functions.Kaz Kylheku2014-07-271-2/+24
| | | | | | (eval_init): Registered giterate as intrinsic. * txr.1: Documented giterate.
* * txr.1: Corrections in "status and error reporting"Kaz Kylheku2014-07-251-13/+20
| | | | section and notes on regular expressions.
* * RELNOTES: Updated.Kaz Kylheku2014-07-221-2/+2
| | | | | | | | * configure, txr.1: Bumped version. * share/txr/stdlib/ver.txr: Likewise * arith.c (log2): Change to static.
* * eval.c (caseq_s, caseql_s, casequal_s, memq_s, memql_s, memqual_s,Kaz Kylheku2014-07-201-0/+52
| | | | | | | | | | | eq_s, eql_s, equal_s): New symbol variables. (me_case): New static function. (eval_init): Initialize new variables. Register caseq, caseql and casequal macros. Re-register memq, memql, memqual, eq, eql and equal using new symbol variables. * txr.1: Document case, caseql and casequal.
* * eval.c (eval_init): Register juxt as intrinsic.Kaz Kylheku2014-07-201-0/+35
| | | | | | | | | * lib.c (do_juxt): New static function. (juxtv): New function. * lib.h (juxtv): Declared. * txr.1: Documented juxt.
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