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* doc: missing word in close-lazy-streams.Kaz Kylheku2024-04-061-3/+4
| | | | | * txr.1: Fix "stream is recorded in a hidden." and revise some neighboring text for clarity.
* compiler: update list of constant and effect-free functions.Kaz Kylheku2024-04-051-25/+28
| | | | | | | | | | | | | | | * stdlib/constfun.tl (%const-foldable-funs%): Numerous functions added, mostly new ones. (%effect-free-funs%): Indentation fixed. Some functions added, but also removed. We don't want anything in here that could take a functional argument. The optimizer will blindly a call to an effect-free function, if its result is not used, regardless of what the arguments are. It won't take into consideration that there is a functional argument, which could be a function that has a side effect, and that is called by the supposedly effect-free function. So for instance, sort is out; the comparison or key functions could have side effects. We could put these functions into a special category.
* doc: command-get-buf syntax.Kaz Kylheku2024-04-041-1/+1
| | | | | * txr.1: Fix bad formatting in syntax synopsis of command-get-buf.
* New functions for filtering through external processes.Kaz Kylheku2024-04-044-0/+171
| | | | | | | | | | | | | | * stdlib/getput.tl (sys:maproc-common): new function. (map-command-lines, map-command-str, map-command-buf, map-process-lines, map-process-str, map-process-buf): New functions. * autoload.c (getput_set_entries): Trigger autoload of getput module on new function symbols. * tests/018/getput.tl: New tests. * txr.1: Documented.
* New function: lcons-force.Kaz Kylheku2024-04-044-0/+46
| | | | | | | | * lib.[ch] (lcons_force): New function. * eval.c (eval_init): Register lcons-force intrinsic. * txr.1: Documented.
* Version 294.txr-294Kaz Kylheku2024-03-177-1006/+1087
| | | | | | | | | | | | | | * RELNOTES: Updated. * configure (txr_ver): Bumped version. * stdlib/ver.tl (lib-version): Bumped. * txr.1: Bumped version and date. * txr.vim, tl.vim: Regenerated. * protsym.c: Regenerated.
* tests: stability of fini test case.Kaz Kylheku2024-03-171-1/+1
| | | | | | | | * test/012/fini.tl: Pass t to sys:gc to request full garbage collection. Otherwise the output may be reordered, due to some of the objects made earlier in the test case being promoted to the mature generation and thus not finalized by the (sys:gc) call.
* append, nconc; replace implementation with seq_build.Kaz Kylheku2024-03-102-28/+82
| | | | | | | | | | * lib.c (seq_append2, seq_appendv, seq_nconc2, seq_nconcv): New functions. (append2, appendv, nappend2, nconcv): Now implemented using new functions. * lib.h (seq_append2, seq_appendv, seq_nconc2, seq_nconcv): Declared.
* quips: food-related one.Kaz Kylheku2024-03-091-0/+1
| | | | * stdlib/quips.tl (%quips%): Remark about lecithin.
* window-map: condense with seq_iter and seq_build.Kaz Kylheku2024-03-092-82/+53
| | | | | | | | | | | * lib.c (window_map_common): New static function formed from window_map_list. (window_map_list, window_map_vec): Function removed. (window_map, window_mappend, window_mapdo): Simplify to wrappers around window_map_common. * txr.1: Some wording improved in the window-map documentation.
* build: include place.tlo among early tlo's.Kaz Kylheku2024-03-081-1/+2
| | | | | | * Makefile (STDLIB_EARLY_TLOS): Include place.tlo between compiler.tlo and asm.tlo. If place is built late, it has a bad impact on the build time.
* doc: bad syntax under load-for.Kaz Kylheku2024-03-081-1/+1
| | | | * txr.1: fix incorrect markup.
* tests: suppress warnings in seq.tl.Kaz Kylheku2024-03-085-39/+83
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | When tests/012/compile.tl compiles tests/012/seq.tl, there are now some compiler warnings due to constant expressions that throw. We introduce a new compiler option to suppress them, and then use it. * stdlib/comp-opts.tl: New file. The definitions related to compiler options are moved here out of compile.tl, so that optimize.tl can use them. * stdlib/compiler.tl (compile-opts, %warning-syms%, when-opt, *compile-opts*, opt-controlled-diag): Moved to comp-opts.tl. New constant-throws option added to compile-opts and %warning-syms%. (safe-constantp): Make the constant expression throws diagnostic conditional on the new option. * stdlib/optimize.tl: Load comp-opts file. (basic-blocks do-peephole-block): Make diagnostic about throwing situation subject to constant-throws option. * tests/012/seq.tl: Turn off constant-throws warning option before the ref tests that work with ranges. Fix: one of the expressions calls refs with the wrong number of arguments, which was unintentional. * txr.1: Document new diagnostic option.
* rfind: use seq_iter.Kaz Kylheku2024-03-071-7/+8
| | | | | | * lib.c (rfind): We combine the default case with SEQ_LISTLIKE and use the seq_iter abstraction rather than car/cdr.
* find: use seq_iter.Kaz Kylheku2024-03-071-41/+21
| | | | | | | * lib.c (find): We retain the optimization for strings when the comparison is regular equality (eq, eql, equal). The other cases are handled by seq_iter rather than separate list-like and vector-like cases.
* doc: improvements in dwim and call documentationKaz Kylheku2024-03-071-4/+18
| | | | | | | | | | | * txr.1: Under call function, document that callable objects need not be functions; the dwim operator description has the details. Fix a formatting problem in the dwim operator syntax synopsis. Under dwim, clarify in more detail that the behavior for various objects are a consequence of their function calling semantics, rather than inherent in the dwim operator.
* New function: rangeref.Kaz Kylheku2024-03-075-5/+173
| | | | | | | | | | | | | | | | | | | | | Because ranges can be iterated like sequences, and are identified as vector-like, they have to support indexing. However, ranges already have semantics as a function: with a sequence argument, they slice it. Let's put the semantics into a function called rangeref, so it can be coherently documented. * eval.c (eval_init): Register rangeref intrinsic. * lib.c (generic_funcall): Range as a function works in terms of rangeref. (ref): Handle RNG case via rangeref. (rangeref): New function. * lib.h (rangeref): Declared. * tests/012/seq.tl: New tests.
* list-vec: replace int type.Kaz Kylheku2024-03-021-2/+2
| | | | | * lib.c (list_vec): use ucnum rather than int for the index and length variables.
* unique: covert to seq_build.Kaz Kylheku2024-03-021-3/+4
| | | | | | * lib.c (unique): Build output using seq_build_t, rather than consing up a list which is then converted to the desired sequence type.
* mapcar: avoid alloca proportional to number of args.Kaz Kylheku2024-03-014-2/+33
| | | | | | | | | | | | | | | * eval.c (MAP_ALLOCA_LIMIT): New preprocessor symbol. (map_common): If the number of args is greater than MAP_ALLOCA_LIMIT, then allocate the array of seq_iter_t structures from chk_malloc rather than alloca. In case an exception might be thrown during the execution of this function, we bind that memory to a buf object. If we return normally, we call the new function buf_free to release it. Otherwise we rely on the garbage collector. * buf.[ch] (buf_free): New function. * tests/012/seq.tl: Test case which hits this behavior.
* zip: make more generic.Kaz Kylheku2024-03-014-48/+120
| | | | | | | | | | | | | | | | * lib.c (do_pa_12_1_v, pa_12_1_v): Static functions removed. (transposev, transpose): Functions removed. * lib.c (transposev, transpose): Declarations removed. * eval.c (join_f): New global variable. (zip_fun, zipv, transpose): New static functions. (eval_init): gc-protect join_f, and initialize it. Registration of zip intrinsic goes to zipv rather than transposev. sys:fmt-join and join registered with help of global join_f rather than local. * tests/012/seq.tl: New zip test cases.
* doc: replace "index-list" with "index-seq".Kaz Kylheku2024-02-291-57/+60
| | | | | | | | * txr.1: All arguments that give a list of indices into a sequence are called index-seq, because they are not required to be lists. Only the COMPATIBILITY section refers to index-list arguments, mentioning that those arguments are now called index-seq.
* partition, split, split*: iter used for indicesKaz Kylheku2024-02-292-37/+43
| | | | | | | | | | | | | | | | | | * lib.c (partition_func, split_func, split_star_func): Indices passed through lazy cons are now iterator, rather than a sequence accessed via car and cdr, which is inefficient for nonlists. (partition-split-common): Use iter-begin to convert indices to iterator, which becomes the cdr field of the lazy cons. * txr.1: Update documentation for these functions to clarify that the second argument is a sequence. The inaccurate text claiming that "if the second argument is an atom other than a function" is rewritten. This doesn't describe the behavior that is implemented, where the test applied is seqp, not atom. The indices can be a vector of integers, which is an atom.
* partition-if: use seq_build for accumulating partitions.Kaz Kylheku2024-02-281-4/+6
| | | | | * lib.c (partition_if_func): Instead of list_collect_decl and make_like, use seq_build.
* partition-by: replace sequence traversal with iter.Kaz Kylheku2024-02-281-10/+13
| | | | | | | | * lib.c (partition_by_func): The seq object is now an iter object: use iter_more, iter_item and iter_step rather than non-null test, car and cdr. (partition_by): Obtain iterator for sequence using iter_begin, and use that in its place.
* partition-by: replace tuple accumulation with seq_build.Kaz Kylheku2024-02-281-6/+7
| | | | | * lib.c (partition_by_func): Use seq_build instead of list_collect_decl and make_like.
* seq_build: seq_pend must be nondestructive for lists.Kaz Kylheku2024-02-282-3/+21
| | | | | | | | | | | | | | | | | | | | Let's have both a seq_pend and seq_nconc, where seq_nconc can reuse the pieces of list passed to it. * lib.h (struct seq_build_ops): New member, nconc. (seq_build_ops_init): Add nconc parameter and initializer. (seq_nconc): Function declared. * lib.c (seq_build_list_pend): Switch to list_collect_append, otherwise mappend behaves destructively. (seq_build_list_nconc): New function. (sb_vec_ops, sb_str_ops, sb_buf_ops, sb_struct_ops, sb_carray_ops): Use seq_build_generic_pend for nconc operation. (sb_list_ops): Use new seq_build_list_nconc for nconc operation. (sb_finished_ops): Use null pointer for nconc operation. (seq_nconc): New function.
* seq_build: convert list buiding to list_collect.Kaz Kylheku2024-02-282-68/+10
| | | | | | | | | | | | | | | | | | | | | | | | | We want to use the list_collect functions for consistency. For instance, these functions allow an atom to be added to an improper list if the terminating atom is a sequence. (append '(1 . "abc") "d") yields (1 . "abcd"). * lib.h (struct seq_build): New member, tail. * lib.c (seq_build_list_add): Use list_collect. (seq_build_list_pend): Use list_collect_nconc. (seq_build_list_finish): Nothing to do here, except call seq_build_convert_to_finished since bu->obj is the head of the list at all times now. (seq_build_improper_add, seq_build_improper_pend): Functions removed. (sb_improper_ops): Structure removed. (seq_build_convert_to_improper): Function removed. (seq_build_convert_to_list): Different strategy needed here now. The list just goes into bu->obj, and we have to set up the tail to either point to the last cons cell's cdr, or else to bu->obj if the list is empty. (seq_build_init): Initialize bu->tail in the three cases that set up list collection.
* seq_build: whitespace.Kaz Kylheku2024-02-281-1/+1
| | | | * lib.c (sb_vec_ops): fix indentation.
* seq_build: remove unnecessary convert calls.Kaz Kylheku2024-02-281-2/+0
| | | | | | * lib.c (seq_build_struct_finish, seq_build_carray_finish): Do not call seq_build_convert_to_finished, since seq_build_list_finish has already done that.
* seq_build: remove one finish function.Kaz Kylheku2024-02-281-6/+1
| | | | | | | | * lib.c (seq_build_improper_finish): Function removed. (sb_improper_ops): Replace seq_build_improper_finish with null pointer. The seq_finish function checks for null and avoids calling, so we don't need the noop implementation.
* seq_build: safeguard against adding to finished object.Kaz Kylheku2024-02-281-0/+14
| | | | | | | | * lib.c (seq_build_convert_to_finished): New function. (seq_build_list_finish): call seq_build_convert_to_finished. (sb_finished_ops): New static struct. All operations except mark are null pointers so this will crash if used.
* mapcar, mappend: switch to seq_build.Kaz Kylheku2024-02-272-10/+25
| | | | | | | | | | | | | | * lib.c (mapcar): Implement with seq_iter and seq_build, rather than relying on mapcar_listout and make_like. (mappend): Replace list_collect_decl and make_like with seq_build. * eval.c (map_common): Replace list_collect_decl and make_like with seq_build. The collect_fn is now a pointer to either seq_add or seq_pend rather than list_collect or list_collect_append. (mapcarv, mappendv): Pass seq_add and seq_pend to map_common, rather than list_collect and list_collect_append.
* seq_build: support improper lists.Kaz Kylheku2024-02-271-1/+53
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | To be useful for some operations, the seq_build framework must handle the pend operation on lists specially. The appended piece must only be treated as a sequence if it is a cons. Moreover, if it is an atom, or of it is an improper list, then the list terminates. Subsequent add and pend operations must fail. The atom must appear as the terminator. We meet these objectives by switching the object's operations, sb_list_ops, to a new set of operations, sb_improper_ops. * lib.c (seq_build_list_pend): New static function. This individually adds all items from the input list, until it hits a terminating atom. If the atom isn't nil, it converts the seq_build_t object to improper operations. (seq_build_improper_add, seq_build_improper_pend): New static functions. These throw an error: adding anything to an improper list is impossible. (seq_build_improper_finish): New function, which does nothing: the improper list is finished already. (sb_list_ops): Use the seq_build_list_pend operation rather than the generic one. (sb_improper_ops): New static structure. (seq_build_convert_to_improper): New static function. Finishes the list, giving it the specified terminating atom, and then switches to sb_improper_ops so that adding is no longer possible.
* tuples: convert tuple generation to seq_build.Kaz Kylheku2024-02-272-5/+8
| | | | | | | | | | * lib.c (tuples_func): Replace list accumulation with make_like with seq_build. * tests/012/seq.tl: Fix one test case here which no longer errors out. It produces a tuple which is not a string, due to the inclusion of a non-character object.
* seq_build: fix: incompatible items must create list.Kaz Kylheku2024-02-271-12/+30
| | | | | | | | | | | | | | | | | | | | | In the make_like function, the list is converted to string or buffer if the first element of the list is a character, or integer. We need similar logic in seq_build. We can make it better. When any item is added which is incompatible, we can convert what we have so far to a list, change the seq_build type to list, and keep going. * lib.c (seq_build_convert_to_list): New static function. (seq_build_str_add, seq_build_buf_add): If the item is incompatible, convert the string or buffer to a list and pass to seq_build_convert_to_list. Then call bu->ops->add to add the item, now as a list. (seq_build_buf_pend): Function removed. (sb_buf_ops): Use the seq_build_generic_pend function for the pend operation. This is because we have to check each item one by one; we cannot use replace_buf.
* seq_build: struct/carray bugfix.Kaz Kylheku2024-02-271-3/+4
| | | | | | | * lib.c (seq_build_struct_finish, seq_build_carray_finish): These functions are still wrongly assuming that the list is finished by nreverse. We intead call seq_build_list_finish for that, which puts the list back into bu->obj.
* seq_build: put self name into structure.Kaz Kylheku2024-02-272-18/+20
| | | | | | | | | | | | | | | * lib.h (struct seq_build): New member, self. (struct seq_build_ops): Remove self parameter from pend function. (seq_build_init, seq_pend): Declarations updated. * lib.c (seq_build_generic_pend): Drop self parameter, take the value from structure. (seq_build_buf_pend): Drop self parameter. (seq_build_init): New self parameter. Pass recursively. (seq_pend): Self parameter dropped. (rem_impl, rem_if_impl, keep_keys_if, separate, separate_keys): Pass self to seq_build_init.
* seq_build: build lists in order using tail pointer.Kaz Kylheku2024-02-271-2/+19
| | | | | | | | | | * lib.c (seq_build_list_add, seq_build_list_finish): We use the trick that bu->obj (if not nil) points to the tail cons cell of the list being built, and the cdr of that tail always points back to the head. To finish the list, all we do is nil out that head pointer, so the list is properly terminated, and then plan the head as bu->obj.
* seq_build: remove unused struct member.Kaz Kylheku2024-02-271-1/+0
| | | | * lib.h (struct seq_build): Remove inf member.
* separate-keys: rework using seq_buildKaz Kylheku2024-02-271-62/+13
| | | | * lib.c (separate_keys): Rewrite using seq_info and seq_build.
* separate: rework using seq_build.Kaz Kylheku2024-02-271-75/+13
| | | | | * lib.c (separate): switch statement with type-specific coding replaced with generic sequence iteration and building.
* seq_build: allow initialization from iterator.Kaz Kylheku2024-02-271-0/+6
| | | | | | * lib.c (seq_build_init): Replicate a feature of make_like: if the reference object is an iterator, then we recurse: we initialize according to the object it is iterating.
* keep-keys-if: rework with generic sequence processing.Kaz Kylheku2024-02-261-56/+12
| | | | | * lib.c (keep_keys_if): Replace with generic sequence iteration and building.
* New sequence building framework.Kaz Kylheku2024-02-262-123/+231
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Just as the "seq_iter" iterators help to condense the code for iterating any kind of sequence, "seq_builder" objects solve the problem of producing a sequence of the same kind as an input sequence. Until now, two approaches have been taken for this. One was to have separately coded cases: code iterating over a string building up a string, and so on. The other has been to produce a list, which is then coerced to the right sequence type using make_like. The approach introduced here is similar to using make_like, but without wastefully consing up a temporary list. The remove-if, remqual, remql, remq and keep-if functions are retargetted to this new abstraction. * lib.h (struct seq_build, seq_build_t): New struct type. (struct seq_build_ops): New struct type. (seq_build_ops_init): New macro. (seq_build_init, seq_add, seq_pend, seq_finish): Functions declared. * lib.c (seq_build_generic_pend, seq_build_obj_mark, seq_build_struct_mark, seq_build_carray_mark, seq_build_vec_add, seq_build_str_add, seq_build_buf_add, seq_build_buf_pend, seq_build_buf_finish, seq_build_list_add, seq_build_list_finish, seq_build_struct_finish, seq_build_carray_finish): New static functions. (sb_vec_ops, sb_str_ops, sb_buf_ops, sb_struct_ops, sb_carray_ops, sb_list_ops): New static structs. (seq_build_init, seq_add, seq_pend, seq_finish): New functions. (rem_impl, rem_if_impl): Reworked in terms of seq_iter and seq_build, becoming much shorter, and handling all iterable objects.
* keep-if: don't report as remove-if in errors.Kaz Kylheku2024-02-261-3/+7
| | | | | | | * lib.c (rem_if_impl): New static function, based on renaming remove_if, and adding a self parameter. (remove_if): Now wrapper around rem_if_impl. (keep_if): Retarget to rem_if_impl, passing "keep-if" name.
* doc: add rationale about let vs let*.Kaz Kylheku2024-02-221-0/+22
| | | | | | * txr.1: Add Rationale: section to let and let* clarifying that the decision to make let parallel is for compatibility with other dialects like ANSI CL and Elisp.
* quips: new Lisp entry.Kaz Kylheku2024-02-181-0/+1
| | | | * quips.tl (%quips%): New dad humor.
* doc: fixes under macroexpand-params.Kaz Kylheku2024-02-151-17/+17
| | | | | * txr.1: Fix typo: for -> form; add missing leading indentation in example.
* compiler: use cons-count.Kaz Kylheku2024-02-091-1/+1
| | | | | | * stdlib/compiler.tl (simplify-variadic-lambda): Use cons-count to find occurrences of the rest variable rather than flatten and count.
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