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* Remove wrong output.Kaz Kylheku2012-02-241-1/+1
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* Ensuring all arguments to .IP that contain spaces are quoted.Kaz Kylheku2012-02-241-19/+19
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* Eliminating unnecessary heading and associated indentation level.Kaz Kylheku2012-02-241-2/+0
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* Found more broken headings requiring quoting.Kaz Kylheku2012-02-241-2/+2
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* Clarification in until/last.Kaz Kylheku2012-02-241-6/+7
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* Fixed nroff errors resulting in incorrect output text.Kaz Kylheku2012-02-241-2/+2
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* Fixing disappearing backslash.Kaz Kylheku2012-02-241-1/+1
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* * lib.c (sub_list, replace_list, lazy_sub_str, sub_str,Kaz Kylheku2012-02-221-0/+8
| | | | | | | | | replace_str, sub_vec, replace_vec): Implementing floating zero behavior. This is necessary so that the important case index .. (+ index 1) for selecting one element as a subrange works even if index is negative. * txr.1: Floating zero behavior for ranges documented.
* * eval.c (del_s): New symbol variable.Kaz Kylheku2012-02-221-1/+11
| | | | | | | | | | | | | | | | | | | (eval_error): nostatic added to suppress a g++ warning. (dwim_loc): Takes new value as the original unevaluated form so it can control evaluation. Support for del operator added. (op_modplace): Bugfixes: new value form was being unconditionally evaluated and out of order w.r.t. other forms. Now there is left to right order. The form is evaluated later, since for most operators it is on the right, with the exception of push. dwim places can now optionally control the evaluation of newform. del operator supported in gethash case as a special case. error case added for del: if it's not handled in gethash or dwim_loc, it is an error. (eval_init): del_s initialized, and del operator added to table. * txr.vim: syntax highlighting for del. * txr.1: Documented del.
* * eval.c (eval_init): Intrinsic bindings for sub, ref, refsetKaz Kylheku2012-02-221-1/+1
| | | | | | | | | | | | | | | | and replace. * lib.c (do_sort): Static function renamed to sort_list. (swap, quicksort, sort_vec): New static functions. (sort): Made generic over lists, vectors and strings. (refset): New function. * lib.h (sort): Declaration updated (parameter name change). (refset): Declared. * txr.1: Mention refset. * txr.vim: Updated with refset.
* Introducing optional arguments.Kaz Kylheku2012-02-211-6/+18
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * debug.c (help, show_bindings): put_string arguments reversed. * eval.c (bind_args): Support colon notation in interpreted function lambda lists for optional arguments. Improved error checking. (apply): Allow optional arguments to be left out. (dwim_loc): Reversed arguments to replace_str, replace_vec, replace_list. (eval_init): Numerous intrinsics now have arguments that are optional. New function rand introduced which reverses arguments relative to random. New intrinsic function hash introduced for alternative construction of hashes. * gc.c (sweep): Reversed arguments to put_char. * hash.c (weak_keys_k, weak_vals_k, equal_based_k): New keyword symbol variables. (hashv): New function. (hash_init): Intern new symbols. * hash.h (weak_keys_k, weak_vals_k, equal_based_k, hashv): Declared. * lib.c (colon_k): New keyword symbol variable. (replace_list, replace_str, replace_vec): Arguments rearranged. (tree_find): testfun becomes optional argument. (int_str): base becomes optional argument. (func_f0, func_f1, func_f2, func_f3, func_f4, func_n0, func_n1, func_n2, func_n3, func_n4, func_f0v, func_f1v, func_f2v, func_f3v, func_f4v, func_n0v, func_n1v, func_n2v, func_n3v, func_n4v, func_interp): Initialize optargs to zero. (func_n0o, func_n1o, func_n2o, func_n3o, func_n4o): New functions. (cobj_print_op): Reversed arguments to put_string. (find): testfun and keyfun become optional arguments. (replace): Parameters rearranged and arguments rearranged in calls to replace_list, replace_str and replace_vec. (obj_init): colon_k initialized. (obj_print, obj_pprint): Arguments reversed, and stream defaults to std_output. Arguments reversed in calls to put_char and put_string. (dump): Arguments reversed in call to put_char. * lib.h (struct func): sizes of minparam, fixparam bitfields adjusted. New bitfield optargs. New unnamed bitfield added so the previous ones add up to 16 bits. (colon_k): Declared. (func_n0o, func_n1o, func_n2o, func_n3o, func_n4o): Declared. (replace_list, replace_str, replace_vec, replace): Declarations updated. * match.c (debuglf, dump_shell_string, dump_byte_string, dump_var, do_output_line, extract): Reversed arguments to put_char and
* * txr.1: Corrected misleading text in description of outputKaz Kylheku2012-02-191-16/+31
| | | | | variables. Lists do not have to be wrapped in @(repeat)/@(rep). Indexing notation works on strings and vectors.
* * lib.c (sub, ref, replace): New functions.Kaz Kylheku2012-02-191-0/+2
| | | | | | | | | | * lib.h (sub, ref, replace): Declared. * match.c (format_field): Generic indexing using new functions. * txr.1: Documentation stub. * txr.vim: Highlighting for new functions.
* Allow braced output variables to actually be arbitrary substitutions.Kaz Kylheku2012-02-181-0/+17
| | | | | | | | | | | | | | * eval.c (subst_vars): Treat the variable as an arbitrary expression rather than just a symbol. * match.c (subst_vars): Likewise. * parser.y (o_var): Further simplification. The first item in an output var is an expr and not an IDENT. * txr.1: Updated. * txr.vim: Likewise.
* * eval.c (eval_init): Register match-fun.Kaz Kylheku2012-02-161-0/+2
| | | | | | | | | | | | | | | * match.c (v_do): Store match context. (match_fun): New function. * match.h (match_fun): Declared. * stream.c (streamp): New function. * stream.h (streamp): Declared. * txr.1: Stub section for match-fun. * txr.vim: Highlight match-fun.
* TXR Lisp gets exception handling.Kaz Kylheku2012-02-161-0/+43
| | | | | | | | | | | | | | | | | * eval.c (op_catch, expand_catch_clause, expand_catch): New static functions. (expand): Handle catch operator. (eval_init): Added catch operator to op_table, and registered new functions throw, throwf and error. * txr.1: Documented catch operator and created stub section for throw, throwf and error. * txr.vim: Updated. * unwind.c (uw_throwfv, uw_errorfv): New functions. * unwind.h (uw_throwfv, uw_errorfv): Declared.
* * eval.c (rangev): If a descending range is specified,Kaz Kylheku2012-02-141-1/+1
| | | | | | | | | | | but the step is omitted, the step should be negative one rather than one. (range_star_v_func, range_star_v): New static functions. (eval_init): New function, range*, registered. * txr.1: Stub section for range is also for range*. * txr.vim: Recognize range* function.
* Version 57txr-57Kaz Kylheku2012-02-131-2/+2
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 56Kaz Kylheku2012-02-051-8/+10
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * parser.l: Allow semicolon terminator on hex and octalKaz Kylheku2012-02-051-11/+13
| | | | | | | | | escapes in a regex. Removed o escape character from octal constants in strings and quasiliterals: no such thing is documented. Octal constants can be semicolon-terminated like hex ones. * txr.1: Documented semicolons after octal constants in string literals and after hex and octal constants in regexes.
* * eval.c (rest_s, op_s): New variables.Kaz Kylheku2012-02-031-5/+77
| | | | | | | | | | | | | | | | | | | | | | | | | | | | (do_eval_args): Allow calls specified by improper lists like (x y . z) where the z expression must evaluate to a list that turns into addition arguments to be applied. (transform_op, expand_op): New static functions. (expand): Call expand_op. (eval_init): Initialize rest_s and op_s. Use rest_s to register rest function. * lib.c (gensym): New function based on gensymv. (gensymv): Now calls gensym. * lib.h (gensym): Declared. * parser.l: Parse @ followed by digits as a new kind of token, METANUM. * parser.y (METANUM): New token. (meta_expr, exprs): Missing rlcp's added. (expr): METANUM variant introduced. (yybadtoken): Handle METANUM. * txr.1: Documented one-symbol argument list of lambda. Documented op. Closed some unbalanced parentheses. * txr.vim: Highlight op.
* * txr.1: UTF-8 handling clarified.Kaz Kylheku2012-02-021-12/+16
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* * eval.c (lookup_sym_lisp1): New function.Kaz Kylheku2012-02-011-12/+48
| | | | | | | | | | | | | | | (do_eval, do_eval_args): New static functions. (eval, eval_args): Become wrappers for do_eval and do_eval_args, respectively. (eval_lisp1, eval_args_lisp1): New static functions. (dwim_loc, op_dwim): Use eval_lisp1 and eval_args_lisp1 instead of eval and eval_args. * parser.y (meta_expr): Bugfix: expand the whole dwim expression, rather than its arguments, which are not an expression. * txr.1: Updated with notes that dwim really does Lisp-1 style evaluation.
* typo.Kaz Kylheku2012-01-281-1/+1
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* * parser.l: Support hex and octal escapes in string and quasiliterals,Kaz Kylheku2012-01-271-2/+7
| | | | | | | as the documentation says. Also support an optional trailing ; delimiter in hex escapes. * txr.1: Documented.
* Version 55txr-055Kaz Kylheku2012-01-261-2/+2
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Document that source for range assignment can be a string, vector or list.Kaz Kylheku2012-01-261-3/+9
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* * arith.c (plus, minus): Better wording in error messages.Kaz Kylheku2012-01-261-14/+19
| | | | | | | | | | | | | | | | | | * eval.c (dwim_loc): Assignments to string indices and ranges supported. New arguments for this purpose. (op_modplace): Use new dwim_loc interface for returned value. (op_dwim): Support assignment to string ranges. (eval_init): replace_str registered. * lib.c (string_extend): If the argument is a number, let it specify the amount by which to extend the string. (replace_str): New function. * lib.h (replace_str): Declared. * txr.1: Updated. * txr.vim: Updated.
* * txr.1: More discussion of ranges.Kaz Kylheku2012-01-261-0/+22
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* * eval.c (dwim_loc, dwim_op): Eliminated redundant re-evaluationKaz Kylheku2012-01-261-1/+37
| | | | | | | | | | | | | | | | | of range arguments. They are already evaluated since the cons expression is evaluates as part of the dwim arglist. Replaced some open code with function calls to the new listref and listref_l functions. (tostring, tostringp): made extern and moved to lib.c. * lib.c (listref, listref_l): New functions. (tostring, tostringp): moved here from eval.c. * lib.h (listref, listref_l, tostring, tostringp): Declared. * match.c (format_field): Handle index and range references. * txr.1: Documented new output variable syntax.
* * eval.c (dwim_loc): Handles full responsibility for assigningKaz Kylheku2012-01-251-2/+22
| | | | | | | | | | to list and array ranges. (op_modplace): Pass extra arguments to dwim_loc so it can do the job for ranges. If dwim_loc returns 0, it means that it did everything. (op_dwim): Support list and array ranges. * txr.1: Documented.
* * eval.c (eval_init): New functions registered.Kaz Kylheku2012-01-251-0/+20
| | | | | | | | | | | | | | | | | | * lib.c (sub_list, replace_list, vectorp): New functions. (sub_vec): Allow negative indices from end of array. (replace_vec): New function. * lib.h (sub_list, replace_list, vectorp, replace_vec): Declared. * parser.l (DOTDOT): Scan .. as new token. * parser.y (DOTDOT): New token. (expr): New syntax with DOTDOT. (yybadtoken): Handle DOTDOT. * txr.vim: Added new functions. Also missing append* and dwim. * txr.1: Updated.
* * eval.c (dwim_s): New symbol variable.Kaz Kylheku2012-01-251-4/+104
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | (dwim_loc, op_dwim): New static functions. (op_modplace): Support assignment to dwim forms with the help of dwim_loc. (expand_place): Handle dwim places. (eval_init): Initialize dwim_s. Register dwim operator in op_table. * eval.h (dwim_s): Declared. * lib.c (chr_str, chr_str_set): Allow negative indices to index backwards from end of string. (vecref, vecref_l): Allow negative indices to index from rear of array. (obj_print, obj_pprint): Render (dwim ...) forms as [...]. * parser.l: Peoduce new METABKT token type for @[, and '[', ']' tokens. * parser.y (METABKT): New token. %type declaration for '['. (list): Support square-bracket style of list, translated into dwim form. (meta_expr): Support @[...] variant. (yybadtoken): Handle METABKT in switch. * txr.1: Documented [...] syntax and dwim operator. * txr.vim: Updated.
* Version 54txr-54Kaz Kylheku2012-01-211-2/+2
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Minor edits.Kaz Kylheku2012-01-141-12/+13
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* Remove junk.Kaz Kylheku2012-01-141-2/+0
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* Spelling.Kaz Kylheku2012-01-141-1/+1
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* Minor fixes, and removed last vestiges of references to the obsolescentKaz Kylheku2012-01-141-8/+11
| | | | variant of the @(next) syntax.
* Minor.Kaz Kylheku2012-01-141-6/+6
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* Minor edits.Kaz Kylheku2012-01-121-2/+2
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* Clarification.Kaz Kylheku2012-01-121-1/+3
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* * eval.c (eval_init): Make lazy_appendv functionKaz Kylheku2012-01-121-7/+15
| | | | | | available as append*. * txr.1: Documented.
* Version 53Kaz Kylheku2012-01-111-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * eval.c (each_s, each_star_s, collect_each_s, collect_each_star_s):Kaz Kylheku2012-01-111-0/+59
| | | | | | | | | | | New symbol variables. (op_each): New static function. (expand): Handle the four new operators. (eval_init): Intern new symbols, register new operators. * txr.1: Documented each, each*, collect-each and collect-each*. * txr.vim: Updated.
* * eval.c (eval_init): list_str registered.Kaz Kylheku2012-01-111-0/+2
| | | | | | | | | | * lib.c (list_str): New function. * lib.h (list_str): Declared. * txr.1: Doc stub section created. * txr.vim: Updated.
* * eval.c (tostring, tostringp): New static functions.Kaz Kylheku2012-01-101-1/+1
| | | | | | | | (eval_init): New functions registered. * txr.1: Stub sections created. * txr.vim: Updated.
* Spat of new features having to do with lazy processing.Kaz Kylheku2012-01-101-6/+134
| | | | | | | | | | | | | | | | | | | | | | | | * eval.c (prog1_s, gen_s, generate_s, delay_s, promise_s): New symbol variables. (eval_prog1, op_prog1, expand_gen, expand_delay): New static functions. (expand): Handle gen and delay. (lazy_mapcar_func, lazy_mapcar, lazy_mapcarv_func, lazy_mapcarv, lazy_mappendv): New static functions. (rangev_func, rangev, generate_func, generate, repeat_infinite_func, repeat_times_func, repeatv, force): New static functions. (eval_init): New operators and functions interned. lazy-flatten renamed to flatten*. * lib.c (null_f): New global variable. (ltail, lazy_appendv): New functions. (lazy_appendv_func): New static function. (obj_init): null_f protected and initialized. * lib.h (null_f, ltail, lazy_appendv): Declared. * txr.1: Documented. * txr.vim: Updated.
* Version 52txr-52Kaz Kylheku2012-01-071-2/+2
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated. Wrong December dates fixed.
* * match.c (fuzz_s): New symbol variable.Kaz Kylheku2012-01-061-0/+23
| | | | | | | | (v_fuzz): New static function. (syms_init): fuzz_s initialized. (dir_tables_init): v_fuzz entered into v_directive_table. * txr.1: Documented @(fuzz).
* * match.c (v_gather): Implemented until/last clause.Kaz Kylheku2012-01-061-0/+16
| | | | | | | * parser.y (gather_parts, additional_gather_parts): New nonterminals. (gather_clause): Syntax refactored for until/last clause. * txr.1: Updated.
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