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* Replacing uses of the eq function which are used only as C booleans,Kaz Kylheku2014-02-221-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | with just using the == operator. Removing cobj_equal_op since it's indistinguishable from eq. Streamlining missingp and null_or_missing_p. * eval.c (transform_op): eq to ==. (c_var_ops): cobj_equal_op to eq. * filter.c (trie_compress, trie_lookup_feed_char, filter_string_tree, html_hex_continue, html_dec_continue): eq to ==. * hash.c (hash_iter_ops): cobj_equal to eq. * lib.c (countq, getplist, getplist_f, search_str_tree, posq): eq to ==. (cobj_equal_op): Function removed. * lib.h (cobj_equal_op): Declaration removed. (missingp): Becomes a simple macro that yields a C boolean instead of t/nil val, because it's only used that way. (null_or_missing_p): Becomes inline function returning int. * match.c (v_output): eq to ==. * rand.c (random_state_ops): cobj_equal_op to eq. * regex.c (char_set_obj_ops, regex_obj_ops): cobj_equal_op to eq. (reg_derivative): Silly if3 expression replaced by null. (regexp): Redundant if2 expression wrapped around eq removed. * stream.c (null_ops, stdio_ops, tail_ops, pipe_ops, string_in_ops, byte_in_ops, string_out_ops, strlist_out_ops, dir_ops, cat_stream_ops): cobj_equal_op to eq. * syslog.c (syslog_strm_ops): cobj_equal_op to eq.
* * arith.c (lognot): Conform to new scheme for defaulting optional args.Kaz Kylheku2014-02-051-4/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * eval.c (apply): Unconditionally use colon_k for missing optional args, for intrinsic functions. (eval_intrinsic, rangev, rangev_star, errno_wrap): Conform to new scheme for defaulting optional args. (reg_fun_mark): Function removed. (eval_init): Switch reduce_left and reduce_right back to reg_fun registration. * hash.c (gethash_n): Conform to new scheme for defaulting optional arguments. * lib.c (sub_list, replace_list, remove_if, keep_if, remove_if_lazy, keep_if_lazy, tree_find, count_if, some_satisfy, all_satisfy, none_satisfy, search_str, match_str, match_str_tree, sub_str, replace_str, cat_str, tok_str, intern, rehome_sym, sub_vec, replace_vec, lazy_str, sort, multi_sort, find, find_if, set_diff, obj_print, obj_pprint): Conform to new scheme for defaulting optional arguments. (func_f0, func_f1, func_f2, func_f3, func_f4, func_n0, func_n1, func_n2, func_n3, func_n4, func_n5, func_n6, func_n7, func_f0v, func_f1v, func_f2v, func_f3v, func_f4v, func_n0v, func_n1v, func_n2v, func_n3v, func_n4v, func_n5v, func_n6v, func_n7v): Remove references to removed mark_missing_args member of struct func. (func_set_mark_missing): Function removed. (generic_funcall): Unconditionally use colon_k for missing optional args, for intrinsic functions. * lib.h (struct func): mark_missing_args member removed. (func_set_mark_missing): Declaration removed. (default_arg, default_bool_arg): New inline functions. * rand.c (random): Left argument is not optional. (rnd): Conform to new scheme for defaulting optional arguments. * regex.c (search_regex, match_regex): Conform to new scheme for defaulting optional arguments. * stream.c (unget_char, unget_byte, put_string, put_char, put_byte, put_line): Conform to new scheme for defaulting optional arguments. * syslog.c (openlog_wrap): Conform to new scheme for defaulting optional arguments. * txr.1: Remove the specification that nil is a sentinel value in default arguments, where necessary. Use consistent syntax for specifying variable parts in argument lists. A few errors and omissions addressed.
* Support for pushing back bytes and characters into streams.Kaz Kylheku2014-01-131-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | * stream.c (null_ops, stdio_ops, tail_ops, pipe_ops, string_in_ops, byte_in_ops, string_out_ops, strlist_out_ops, dir_ops, cat_stream_ops): Structure definition updated with new initializers for two new virtuals. (stdio_handle): New member, unget_c. (snarf_line, stdio_get_char): Handle pushed-back character in h->unget_c. (stdio_unget_char, stdio_unget_byte, string_in_unget_char, byte_in_unget_byte): New static functions. (make_stdio_stream_common): Initialize unget_c member. (unget_char, unget_byte): New functions. * stream.h (struct strm_ops): New virtuals: unget_char and unget_byte. (unget_char, unget_byte): New functions declared. * syslog.c (syslog_strm_ops): Two new initializers. * eval.c (eval_init): Registered unget_char and unget_byte as intrinsics. * txr.1: Documented.
* New stream property: name. Some streams can reportKaz Kylheku2013-12-131-0/+2
| | | | | | | | | | | | | | | | | their name: some kind of string. * stream.c (name_k): New variable. (null_get_prop): New static function. (null_ops): Wire null_get_prop into ops structure. (stdio_get_prop): Report h->descr as name. (string_in_get_prop): New function. (string_in_ops): Wire string_in_get_prop into ops structure. (stream_init): Initialize name_k. * stream.h (name_k): Declared. * syslog.c (syslog_get_prop): Report "syslog" as stream name.
* First cut at signal handling support.Kaz Kylheku2013-12-121-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * Makefile (OBJS-y): Include signal.o if have_posix_sigs is "y". * configure (have_posix_sigs): New variable, set by detecting POSIX signal stuff. * dep.mk: Regenerated. * arith.c, debug.c, eval.c, filter.c, hash.c, match.c, parser.y, parser.l, rand.c, regex.c, syslog.c, txr.c, utf8.c: Include new signal.h header, now required by unwind, and the <signal.h> system header. * eval.c (exit_wrap): New function. (eval_init): New functions registered as intrinsics: exit_wrap, set_sig_handler, get_sig_handler, sig_check. * gc.c (release): Unused functions removed. * gc.h (release): Declaration removed. * lib.c (init): Call sig_init. * stream.c (set_putc, se_getc, se_fflush): New static functions. (stdio_put_char_callback, stdio_get_char_callback, stdio_put_byte, stdio_flush, stdio_get_byte): Use new functions to enable signals when blocked on I/O. (tail_strategy): Allow signals across sleep. (pipev_close): Allow signals across waitpid. (se_pclose): New static function. (pipe_close): Use new function to enable signals across pclose. * unwind.c (uw_unwind_to_exit_point): use extended_longjmp instead of longjmp. * unwind.h (struct uw_block, struct uw_catch): jb member changes from jmp_buf to extended_jmp_buf. (uw_block_begin, uw_simple_catch_begin, uw_catch_begin): Use extended_setjmp instead of setjmp. * signal.c: New file. * signal.h: New file.
* * eval.c (eval_init): log_authpriv_v registered as log-authpriv.Kaz Kylheku2013-12-111-1/+4
| | | | | | | | | | * syslog.c (log_authpriv_v): New variable. (syslog_init): New variable initialized. * syslog.h (log_authpriv_v): Declared. * txr.1: Documented log-authpriv, and put in notes about testing for variables that may not be present, including log-perror.
* * arith.c, hash.c, lib.c, rand.c, stream.c, syslog.c: RemovingKaz Kylheku2013-12-111-1/+0
| | | | | include <assert.h> since none of these modules uses the standard C assert macro.
* Bumping copyrights to 2014 and expressing them as year ranges.Kaz Kylheku2013-12-101-1/+1
| | | | Fixing some errors in copyright comments.
* * eval.c (eval_init): closelog_wrap interned.Kaz Kylheku2013-12-101-0/+6
| | | | | | | | * syslog.c (closelog_wrap): New function. * syslog.h (closelog_wrap): Declared. * txr.1: Documented.
* * eval.c (eval_init): Register streamp, real_time_stream_p,Kaz Kylheku2013-12-101-1/+1
| | | | | | | | | | | | stream_get_prop and stream_set_prop as intrinsics. * stream.c (stream_get_prop): New function. * stream.h (stream_get_prop): Declared. * syslog.c (syslog_get_prop): Bugfix: check for prio_k not real_time_k. * txr.1: Updated.
* syslog support; bitwise logior and logand functions become variadic.Kaz Kylheku2013-12-101-0/+120
| | | | | | | | | | | | | | | | | | | | | | | | | * Makefile: Use -iquote to restrict our #include search paths from being processed for #include <...>. Add syslog.o to OBJS-y if have_syslog is y. * configure (have_syslog): New variable, set by detecting syslog API. * eval.c (eval_init): logand and logior registrations changed to go to variadic versions. New syslog variables and functions registered. * lib.c (logandv, logiorv): New functions. * lib.h (logandv, logiorv): Declared. * txr.c (main): Call syslog_init. * syslog.c: New file. * syslog.h: New file. * txr.1: Updated. * txr.vim: Regenerated.
* syslog support; bitwise logior and logand functions become variadic.Kaz Kylheku2013-12-101-0/+101
* Makefile: Use -iquote to restrict our #include search paths from being processed for #include <...>. Add syslog.o to OBJS-y if have_syslog is y. * configure (have_syslog): New variable, set by detecting syslog API. * eval.c (eval_init): logand and logior registrations changed to go to variadic versions. New syslog variables and functions registered. * lib.c (logandv, logiorv): New functions. * lib.h (logandv, logiorv): Declared. * txr.c (main): Call syslog_init. * syslog.c: New file. * syslog.h: New file.