| Commit message (Collapse) | Author | Age | Files | Lines |
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* eval.h (mapcarv): Declaration added.
(eval_init): New intrinsic multi-sort registered.
* lib.c (multi_sort_less): New static function.
(multi_sort): New function.
* lib.h (multi_sort): Declared.
* txr.1: stub section added.
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quasiquoting. We cannot use the same symbol for the
literal form from the parser, and for the expanded form,
because this creates a confusion when there are multiple
nestings of quasiquote expansion.
* eval.c (vector_lit_s, vector_list_s, hash_lit_s): New symbol
variables.
(hash_construct_s): Relocated here from hash.c.
(expand_qquote): Part of bugfix: look for hash_lit_s
instead of has_construct_s. Translate to a hash_construct_s
form which is no longer recognizes as a hash literal.
Implementing recognition of a quasiquote vector literal,
handled similarly.
(eval_init): Initialize vector_lit_s, vector_list_s,
hash_list_s and hash_lit_s.
Use vector_list_s when registering vector_list function.
* eval.h (vector_lit_s, vector_list_s, hash_lit_s,
hash_constuct_s): Declared.
* hash.c (hash_construct_s): Variable removed
and relocated into eval.c.
(hash_init): Initialization of hash_construct_s removed.
* hash.h (hash_construct_s): Declaration removed.
* parser.y: (vector): Action updated to generate
a (vec-lit ...) form if the object contains unquotes,
otherwise generate a vector object.
(hash): Generate hash-lit form, not a
hash-construct form.
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* arith.h: Likewise.
* debug.c: Added copyright header.
* debug.h: Updated copyright year.
* eval.c: Likewise.
* eval.h: Likewise.
* filter.c: Likewise.
* filter.h: Likewise.
* gc.c: Likewise.
* gc.h: Likewise.
* hash.c: Likewise.
* hash.h: Likewise.
* lib.c: Likewise.
* lib.h: Likewise.
* match.c: Likewise.
* match.h: Likewise.
* parser.h: Likewise.
* regex.c: Likewise.
* regex.h: Likewise.
* stream.c: Likewise.
* stream.h: Likewise.
* txr.c: Likewise, and e-mail address.
* txr.h: Updated copyright year.
* unwind.c: Likewise.
* unwind.h: Likewise.
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(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.
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assigning *stdout*, it really overwrites the underlying C variable.
* eval.c (lookup_var): Handle new kind of toplevel binding.
If the hash value is a cptr, it points to a val storage location.
(lookup_val_l): New function.
(op_modplace): Get location of variable using lookup_val_l
rather than assuming there is a cons-based binding.
(reg_var): Argument changed to val * pointer.
Register the variable as a cptr referencing the location.
(eval_init): reg_var calls pass address of each global.
* eval.h (lookup_var_l): Declared.
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New functions list, append and eval. Code walking framework for
expanding quasiquotes. quotes right now.
* eval.c (let_s, lambda_s, call_s, cond_s, if_s, and_s, or_s
defvar_s, defun_s, list_s, append_s): New symbol variables.
(eval_intrinsic, op_quote, expand_forms, expand_cond_pairs,
expand_place, expand_qquote): New static functions.
(expand): New external function.
(eval_init): Initialize new symbol variables. Use newly defined symbol
variables to register functions. Also, new functions: quote, append,
list and eval.
* eval.h (expand): Declared.
* lib.c (appendv): New function.
(obj_init): quote and splice operator symbols moved into system
package.
(obj_print, obj_pprint): Support for printing quotes and splices.
* lib.h (appendv): Declared.
* match.c (do_s): New symbol variable.
(syms_init): New variable initialized.
(dir_tales_init): New variable used instead of intern.
* match.h (do_s): Declared.
* parser.y (elem): @(do) form recognized and its argument passed
through the new expander.
(o_elem, quasi_item): Pass list through expander.
(list): Use choose_quote to decide whether to put
regular quote or quasiquote on quoted list.
(meta_expr): Fixed abstract syntax so the expression is a single
argument of the sys:expr, rather than multiple arguments.
(unquotes_occur, choose_quote): New static function.
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Lisp interpreter added.
* gc.c (finalize, mark_obj): Handle ENV objects.
* hash.c (struct hash): acons_new_l_fun function
pointer order of arguments change.
(equal_hash): Handle ENV.
(make_hash, gethash_l): Use cobj_handle for
type safety. Follow change in acons_new_l.
(gethash, gethash_f, remhash, hash_count,
hash_get_userdata, hash_set_userdata, hash_next): Use cobj_handle.
(gethash_n): New function.
* hash.h (gethash_n): Declared.
* lib.c (env_s): New symbol variable.
(code2type, equal): Handle ENV. (plusv, minusv, mul, mulv, trunc, mod,
gtv, ltv, gev, lev, maxv, minv, int_str): New functions.
(rehome_sym): New static function.
(func_f0, func_f1, func_f2, func_f3, func_f4, func_n0, func_n1,
func_n2, func_n3, func_n4): Initialize new fields of struct func.
(func_f0v, func_f1v, func_f2v, func_f3v, func_f4v,
func_n0v, func_n1v, func_n2v, func_n3v, func_n4v,
func_interp): New functions.
(apply): Function removed: sanely re-implemented in new eval.c file.
(funcall, funcall1, funcall2, funcall3, funcall4): Handle
variadic and interpreted functions.
(acons, acons_new, acons_new_l, aconsq_new, aconsq_new_l): Reordered
arguments for compatibility with Common Lisp acons.
(obj_init): Special hack to prepare hash_s symbol, which is
needed for type checking inside the hash table funtions invoked
by make_package, at a time when the symbol is not yet interned.
Initialize new env_s variable.
(obj_print, obj_pprint): Handle ENV. Fix confusing rendering of
of function type.
(init): Call new function eval_init.
* lib.h (enum type): New enumeration member ENV.
(struct func): functype member changed to bitfield.
New bitfied members minparam and variadic.
New members in f union: f0v, f1v, f2v, f3v,
f4v, n0v, n1v, n2v, n3v, n4v.
(struct env): New type.
(union obj): New member e of type struct env.
(env_s): Variable declared.
(plusv, minusv, mul, mulv, trunc, mod, gtv, ltv, gev, lev, maxv, minv,
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