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* * eval.c (op_defun): Transform a function body by insertingKaz Kylheku2011-12-073-3/+77
| | | | | | | | a named block around it, thereby imitating a Common Lisp feature. (op_for): Establish an anonymous block around the loop body, test form and increment forms. * txr.1: Documented named block in defun. Documented for and for *.
* * txr.vim: Updated with all operators and functions.Kaz Kylheku2011-12-072-37/+43
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* * txr.1: flip operator documented. Bad syntax for pop fixed.Kaz Kylheku2011-12-072-3/+16
| | | | Blank section for list-vector function added.
* * eval.c (op_modplace): If the operator is push, then reverseKaz Kylheku2011-12-072-9/+34
| | | | | | | the arguments. We want (push item list) for compatibility with CL. (expand): Bugfix: some of the cases were constructing new forms using unexpanded pieces from the original form. Added separate case for push, which handles the reversed arguments.
* * debug.c (debug): Fix regression: repeat last command by hittingKaz Kylheku2011-12-075-12/+80
| | | | | | | | | | | | | | | | | | | | | | | | Enter stopped working. This was broken by recent bugfixes in the string splitting functions, which introduced a semantics change. * eval.c (flip_s, vecref_s): New symbol variables. (op_modplace): New places (vecref ...) and (flip ...). Bugfix: dec operator was incrementing. (expand_place): Handle vecref and flip. Bugfix: pop has no third argument and so is now handled by the same case as flip. Bugfix: if a modify form has no third argument, then do not resynthesize it with a nil third argument. (eval_init): Initialize new symbol variables. Register new flip operator. Register new list_vectory function as intrinsic. * lib.c (rplacd): When modifying the cdr field of a lazy cons, then lapse the lazy function to nil! This is needed by user-defined lazy conses, and it makes sense to do it this way rather than put in some explicit interface. (list_vector): New function. * lib.h (list_vector): Declared.
* * eval.c (lookup_var, lookup_fun): Reversing assoc arguments.Kaz Kylheku2011-12-078-59/+124
| | | | | | | | | | | | | | | | | | | | | | | (eval_init): New intrinsics. * hash.c (struct_hash): assoc_fun parameters reversed. (gethash, gethash_f, gethash_n): Likewise. * lib.c (assoc, assq): Reversing parameters. (find_package, acons_new, acons_new_l, aconsq_new): Reversing arguments to assoc adn assq. * lib.h (assoc, assq): Declarations updated. * match.c (dest_set, dest_bind, h_var, h_coll, h_parallel, h_fun, subst_vars, do_txeval, v_next, v_parallel, v_gather, v_collect, v_flatten, v_cat, v_output, v_filter, f_fun, match_funcall): Reversing arguments to assoc. * unwind.c (uw_get_func, uw_exception_subtype_p, uw_register_subtype): Reversing arguments to assoc. * txr.1: Blank sections created for new functions.
* * txr.1: Blank sections created for character functions.Kaz Kylheku2011-12-072-0/+32
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* * eval.c (eval_init): New functions registered as intrinsics.Kaz Kylheku2011-12-074-0/+22
| | | | | | * lib.c (chr_toupper, chr_tolower): New functions. * lib.h (chr_toupper, chr_tolower): New functions declared.
* * parser.l: In the CHRLIT state, return a nonblank character as anKaz Kylheku2011-12-072-0/+10
| | | | IDENT token. This allows for character literals like #\$.
* * eval.c (eval_init): New character functions registered.Kaz Kylheku2011-12-074-2/+106
| | | | | | | | | | | | | * lib.c (c_num): Generalized to convert characters to numbers also. This allows functions like gt and lt to work with characters. (chr_isalnum, chr_isalpha, chr_isascii, chr_iscntrl, chr_isdigit, chr_isgraph, chr_islower, chr_isprint, chr_ispunct, chr_isspace, chr_isupper, chr_isxdigit): New functions added. * lib.h: (chr_isalnum, chr_isalpha, chr_isascii, chr_iscntrl, * chr_isdigit, chr_isgraph, chr_islower, chr_isprint, chr_ispunct, * chr_isspace, chr_isupper, chr_isxdigit): New functions declared. (c_true): New macro.
* Comment change.Kaz Kylheku2011-12-071-1/+1
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* * eval.c (progn_s): New symbol variable.Kaz Kylheku2011-12-073-1/+32
| | | | | | | (op_progn): New static function. (eval_init): Initialize new variable, register progn operator. * txr.1: progn documented.
* Version 046txr-046Kaz Kylheku2011-12-065-4/+39
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * stream.c (find_char): New function.Kaz Kylheku2011-12-062-3/+28
| | | | | | | | | (string_in_get_line): Following up TODO. Fixed broken function. Now get_line on a string stream properly returns characters up to and not including the next newlne character, and also consumes the newline character. Other cases are handled properly, also: the stream being at EOF already, or at the last line not being newline-terminated.
* * eval.c (op_unwind_protect): Fixed uninitialized variableKaz Kylheku2011-12-069-22/+152
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | warning. (eval_init): New functions registered: typeof and vector functions, as well as length_list. * lib.c (length): Function renamed to length_list, because it is list specific. (length_vec, size_vec, vector_list): New functions. (length): New function, generic over lists, vectors and strings. * lib.h (length_list, length_vec, size_vec, vector_list): Declared. * match.c (h_var, h_fun, robust_length, v_deffilter, v_fun): Use length_list instead of length. * parser.l: Introduced # token. * parser.y (vector): New nonterminal. (expr): vector is a kind of expr. (chrlist): Bugfix: single-character syntax was not working; for instance #\x to denote the charcter x. (lit_char_helper): Use length_list instead of length. * stream.c (string_in_get_line): Bugfix: this was using the wrong length function: length was being applied to a string. The genericity of length makes that correct now, but changing to length_str anyway. * txr.1: Blank sections created for functions. Vector syntax documented.
* 2011-12-06 Kaz Kylheku <kaz@kylheku.com>Kaz Kylheku2011-12-061-2/+2
| | | | | * configure: Previous change has to be repeated in one more place in the script: removing useless eval, treating octal number.
* Merge branch 'master' of ssh://webserver/git/txrKaz Kylheku2011-12-060-0/+0
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| * Whitespace.Kaz Kylheku2011-12-051-1/+1
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* | 2011-12-06 Kaz Kylheku <kaz@kylheku.com>Kaz Kylheku2011-12-062-2/+7
| | | | | | | | | | * configure: Forgot to treat octal number in the processing of conftest.syms. Removed useless eval.
* | Whitespace.Kaz Kylheku2011-12-051-1/+1
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* Version 045txr-045Kaz Kylheku2011-12-055-7/+19
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * eval.c (op_cond): Fixed behavior for singleton clauses.Kaz Kylheku2011-12-055-12/+235
| | | | | | | | | | (eval_init): Use existing function objects car_f, cdr_f, eq_f, eql_f and equal_f. Added identity to function table. * lib.h (eql_f): Missing declaration added. * txr.1: Documented cond, and, if, or, defun, inc, dec, set, push and pop.
* * parser.y (force_regular_quotes): Function removed.Kaz Kylheku2011-12-044-47/+51
| | | | | | | | (list): Prior commit reversed. * txr.1: Prior commit reversed. * RELNOTES: No semantics clarification in quasiquote; bugfixes only.
* RELNOTES: Preparing for 045.Kaz Kylheku2011-12-041-0/+16
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* * eval.c (op_qquote_error, op_unquote_error): New static functions.Kaz Kylheku2011-12-044-39/+78
| | | | | | | | | | | | | (expand_qquote): Bugfix: missing case added to handle directly quoted quasiquote. (eval_init): Error-catching pseudo-operators registered in op_table. * parser.y (force_regular_quotes): New function. (list): Quotes within unquotes and splices are regular. * txr.1: Clarified new rules. Removed description of ,'form and ,*'form special syntax.
* Expose lazy lists in TXR Lisp.Kaz Kylheku2011-12-035-12/+74
| | | | | | | | | | | | | | | * eval.c (eval_init): New intrinsic functions. * lib.c (rplaca, rplacd, lcons_fun): New functions. (make_lazycons): Renamed to make_lazy_cons, relocated and turned into external function. (lazy_stream_func, lazy_stream_cons): Follow rename of make_lazycons. * lib.h (rplaca, rplacd, make_lazy_cons, lcons_fun): Declared. * txr.1: Stub sections created.
* * eval.c (uw_protect_s, return_s, return_from_s): New symbolKaz Kylheku2011-12-033-5/+82
| | | | | | | | | | | | | | variables. (op_unwind_protect, op_block, op_return, op_return_from): New static functions. (expand): Removed case for call, if, and, and or. These operators evaluate all their arguments, so the code walker can treat them as a function calls. Added case for block and return-from. (eval_init): New symbols interned. New operator functions registered in op_table. * txr.1: Blank sections added.
* * lib.c (split_str, split_str_set): Bugfix: access beyond the end ofKaz Kylheku2011-12-032-2/+17
| | | | the input string.
* * eval.c (eval_init): String and character functionsKaz Kylheku2011-12-033-3/+78
| | | | | | exposed as intrinsics. * txr.1: Blank sections created.
* * txr.1: Added stub sections for new functions.Kaz Kylheku2011-12-022-0/+21
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* * eval.c: Symbol related intrinsic functions and variables madeKaz Kylheku2011-12-023-1/+19
| | | | | | available: * lib.h (sym_name): Dangling declaration removed.
* * parser.y (list): unquote and splice actions look inside theKaz Kylheku2011-12-023-2/+45
| | | | | | | | | | argument form. If an unquote or splice are applied to a quoted form, its quote becomes a regular quote. This behavior is necessary to make ,',form work in nested quotes, otherwise the ' is a quasiquote which captures the comma in ,form, reducing ,',form to ,form. * txr.1: Documented this special behavior.
* * eval.c (expand_qquote): Bugfix: removed bogus recognitionKaz Kylheku2011-12-022-2/+7
| | | | | | and processing of regular quote form. This broke nested backquote processing, and quasiquote forms containing non-quasi-quotes like like '(a 'b ,c).
* Version 044txr-044Kaz Kylheku2011-12-015-6/+20
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * txr.1: Started Lisp documentation. Updated description ofKaz Kylheku2011-12-012-11/+402
| | | | symbol syntax.
* * lib.c (int_str): Return nil rather than 0 if no digits are extractedKaz Kylheku2011-12-012-1/+9
| | | | at all.
* * match.c (h_skip, h_coll, v_skip, v_collect): Evaluate the arguments.Kaz Kylheku2011-12-012-18/+27
| | | | | (do_txeval): Optimization: short-circuit out if the expression is nil, without establishing the exception handler.
* * match.c (v_skip): Bugfix: Nov 12 commit caused regression:Kaz Kylheku2011-12-013-2/+11
| | | | | | skip min/max arguments not working! * RELNOTES: Updated.
* Dropping the silly cons return value from txeval.Kaz Kylheku2011-12-012-39/+64
| | | | | | | | | | | | | | | | | Two interfaces are provided to the function. One throws on unbound variable, the other which evaluates them to the symbol noval_s (used in exception handling). * match.c (do_txeval): New static function. (txeval): Functionality moved to do_txeval. (txeval_allow_ub): New static function. (vars_to_bindings, h_fun, v_freeform, v_next, v_merge, v_bind, v_set, v_cat, v_output, v_deffilter, v_fun): No need to use cdr to get the value from txeval. (v_throw): Use txeval_ub_allowed, since unbound variables are allowed in throw. (v_try): Detect unbound arguments by checking for noval_s rather than nil. No need to use cdr.
* * match.c (eval_form): Function renamed to txeval so its isKaz Kylheku2011-12-012-17/+24
| | | | | | not confused with the Lisp evaluation functions. (vars_to_bindings, h_fun, v_freeform, v_next, v_merge, v_bind, v_set, v_cat, v_output, v_throw, v_deffilter, v_fun): Updated.
* Update.Kaz Kylheku2011-12-011-1/+11
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* * lib.h (or2): Restore macro version of or2, because we needKaz Kylheku2011-11-308-1/+37
| | | | | | | | | | | | | | | | | | | | the sequencing! Making it an inline function broke the tests. But we can't have multiple evaluation either, so it's going to use a temporary lexical variable. (uses_or2): Macro which declares the lexical variable needed by or2. * debug.c (debug): add uses_or2. * eval.c (eval_intrinsic, op_modplace): Likewise. * lib.c (lazy_str, lazy_str_force_upto, lazy_str_get_trailing_list): Likewise. * match.c (h_parallel, v_freeform, v_parallel, v_output): Likewise. * parser.y (unquotes_occur): Likewise. * stream.c (format): Likewise.
* Removing useless hash table.Kaz Kylheku2011-11-304-5/+15
| | | | | | | | | | | | * parser.h (ln_to_forms_hash): Declaration removed. * parser.l (ln_to_forms_hash): Variable removed. (parse_init): Initialization and protection of ln_to_forms_hash removed. * parser.y (rl): Update of ln_to_forms_hash removed. * txr.1:
* * configure (extra_debugging): New variable. EXTRA_DEBUGGINGKaz Kylheku2011-11-305-0/+58
| | | | | | | | | | | | | conditionally generated in config.h. * gc.c (break_obj): New static variable. (mark_obj): Debugging feature: if the object is the one stored in break_obj and not yet reached, then call breakpt. (deheap): New debugging function for viewing regions of the heaps. * lib.c (breakpt): New function. * lib.h (breakpt): Declared.
* * hash.c (hash_process_weak): Fix regression caused by a mistakeKaz Kylheku2011-11-302-1/+10
| | | | | | | | in the the 2010-01-26 commit, prior to release 033. When processing a table with weak values, this function was mistakenly testing the keys rather than values for for reachability. I noticed this when a test case that should run in constant memory showed unwarranted accumulation of memory.
* * eval.c (op_modplace): Bugfix: conflation of new value andKaz Kylheku2011-11-303-4/+22
| | | | | | | | increment value. Separate new value and increment value, and check number of arguments. * lib.h (or2): Turned into inline function due to multiple argument evaluation.
* * txr.vim: New operators added.Kaz Kylheku2011-11-302-2/+7
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* * eval.c (bindings_helper): Fix uninitialized variable.Kaz Kylheku2011-11-292-0/+6
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* * eval.c (dohash_s): New symbol variable.Kaz Kylheku2011-11-292-2/+52
| | | | | | | (op_dohash): New static function (expand): New case for dohash_s. Bugfix for do_s: expand was used rather than expand_forms. (eval_init): dohash_s initialized and entered into op_table.
* * eval.c (eval_init): hashp and maphash functions registered.Kaz Kylheku2011-11-294-0/+20
| | | | | | * hash.c (maphash): New function. * hash.h (maphash): Declared.
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