| Commit message (Collapse) | Author | Age | Files | Lines |
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* eval.h (eval_intrinsic): Declared.
* txr.c (spec_file): Global variable removed.
(txr_main): Support for -e and -p options. Minor code cleanup.
* txr.1: Documented new options.
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input sequence.
* lib.c (make_like): New function.
(reverse, remq, remql, remqual, remove_if, keep_if, mapcar, mapcon,
mappend, set_diff): Convert output list to type of leftmost input
sequence.
* lib.h (make_like): Declared.
* txr.1: Documented.
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Thereby, numerous previously list-only operations in TXR Lisp
now magically handle strings and vectors.
* txr.1: Documented.
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(time_fields_local, time_fields_utc): New functions.
* lib.h (time_fields_local, time_fields_utc): Declared.
* eval.c (eval_init): Intern time_fields_local and time_fields_utc
as intrinsic functions.
* txr.1: Documented.
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* hash.h (group_by): Declared.
* eval.c (eval_init): group_by registered as group-by intrinsic.
* txr.1: Documented.
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(op_each, expand): Support append-each and append-each*.
(eval_init): Initialize new symbol variables, and register
new operators.
* txr.1: Document append-each and append-each*.
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* eval.c (eval_init): Register as atang2 as a atan2 intrinsic.
* lib.h (atang2): Declared.
* txr.1: Documented atan2.
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arguments.
(op_defun): Permit the syntax.
* txr.1: Documented.
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* 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.
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* txr.c (version): Bumped.
* txr.1: Bumped version and set date.
* configure (txr_ver): Bumped.
* RELNOTES, txr.vim, dep.mk: Updated.
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(n_choose_k, n_perm_k): New functions.
* arith.h (n_choose_k, n_perm_k): Declared.
* eval.c (eval_init): New functions interned.
* txr.1: Documented.
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so it doesn't have quotes around it.
(cum_norm_dist): New function.
* arith.h (cum_norm_dist): Declared.
* eval.c: Include arith.h.
(eval_init): Register cum_norm_dist as intrinsic.
* txr.1: Documented cum-norm-dist.
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is retained as an obsolescent synonym. All arguments become optional.
* parser.l (lisp_parse): Handle nil source.
* txr.1: Updated.
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language's expression evaluator. Whereas TXR Lisp expressions can be
used int the pattern language, preceded by @, it was not possible
to evaluate TXR Lisp variables this way. So instead of @var,
some clumsy trick had to be used like @(identity var). This is not
necessary any more. Code like @(next @*stdin*) will now work.
* txr.1: Updated.
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on the same stream to extract multiple objects; the requirement
that the stream must hold exactly one complete Lisp object
with no following material is now lifted.
* parser.l (YY_INPUT): Modified the macro so that it reads no more
than one character. Though this probably makes the lexer less
efficient, it gives us the important property that the lexer does
not scan ahead into the input stream, hogging data into its buffer
which is then destroyed. This is essential if the lisp-parse function
is to support multiple calls to pull objects one by one out of
a stream.
* parser.y (spec): Use YYACCEPT in the SECRET_ESCAPE_E clause for
pulling a single expression out of the token stream. YYACCEPT
is a trick for not invoking the $accept : spec . $end production
which is implicitly built into the grammar, and which causes
a token of lookahead to occur. This allows us to read a full
expression without stealing any further token: but only if the
grammar is structured right.
(exprs): This phrase structure now handles the DOTDOT syntax.
There is no such thing as an expr DOTDOT expr expression any more;
it is in the list syntax (and not supported in the dot position).
(expr): Remove DOTDOT syntax.
* txr.1: Updated description of .. syntax, and relaxed the description
of lisp-parse since it now allows multiple calls to extract
multiple objects.
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no effect if the variable already exists.
* txr.1: Documented defvar and lisp-parse.
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handler rather than 1. The new argument is the value t,
telling the handler that it's asynchronously invoked in
a real signal context. If the signal handler returns
true, then mark it deferred so that it can re-trigger
in a synchronous context.
(sig_check): Pass nil as a the second argument to signal handlers,
indicating that they are synchronously called, not
in a signal handler context.
* txr.1: Added documentation.
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for a signal that is being set to ignored or default.
* txr.1: Documented signals.
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* 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.
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(eval_init): New functions registred as intrinsics.
* txr.1: Documented.
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Fixing some errors in copyright comments.
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* syslog.c (closelog_wrap): New function.
* syslog.h (closelog_wrap): Declared.
* txr.1: Documented.
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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.
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* 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.
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* txr.c (version): Bumped.
* txr.1: Bumped version and set date.
* configure (txr_ver): Bumped.
* RELNOTES: Updated.
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to reflect that it has two arguments now.
* parser.y (grammar): Update calls to regex_compile to
pass two arguments. Since we don't expect regex_compile to
parse, we specify the error stream as nil.
(spec): The "secret syntax" for a regex is simplified
not to include the slashes. This provides better diagnostics for
unterminated syntax and requires less string processing to generate.
Also, the form returned doesn't have the regex symbol
consed onto it, which parse_regex just throws away.
* regex.c (regex_compile): Now takes a stream argument.
* regex.h (regex_compile): Declaration updated.
* txr.1: Updated
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* regex.h (regex_compile): Don't call argument
regex_sexp, since it can be a string.
* txr.1: Updated.
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intrinsic function and std_null as new variable.
* parser.h (yylex_destroy): Existing function declared.
* parser.l (regex_parse): New function.
New lexical syntax added which returns SECRET_ESCAPE_R.
* parser.y (SECRET_ESCAPE_R): New token.
(spec): Added syntactic variant which lets us
smuggle a regex into the parser easily.
* stream.c:x (std_null): New global variable.
(null_stream_print): New static function.
(null_ops): New static structure.
(make_null_stream): New function.
(stream_init): Protect and initialize std_null.
* stream.h (std_null, make_null_stream): Declared.
* txr.1: New features documented: regex-parse, *stdnull*.
* txr.c (txr_main): Call yylex_destroy after parsing the program now
that I know about this function; this can free up some memory.
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and count_if registered as intrinsics.
* lib.c (countqual, countql, countq, count_if): New functions.
* lib.h (countqual, countql, countq, count_if): Declared.
* txr.1: New functions documented.
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have stricter diagnosis for configure tests.
(have_timegm, need_svid_source, need_bsd_source): New
variables. sys/stat.h test only declares static data and
compiles an object file. Adding tests for timegm, tzset,
setenv and unsetenv.
* eval.c (eval_init): Register new intrinsic, make_time_utc.
* lib.c (make_time_impl): New static function.
(make_time): Reimplemented as call to make_time_impl.
(timegm_hack): New conditionally-defined static function.
(make_time_utc): New function.
* lib.h (make_time_utc): Declared.
* txr.1: make-time-utc documented.
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* eval.c: Include <unistd.h> conditionally.
(errno_wrap, daemon_wrap): New functions.
(eval_init): Registered errno_wrap and daemon_wrap as intrinsics
under the names daemon and errno.
* txr.1: Documented errno and daemon in new UNIX PROGRAMMING
section.
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Bugfix in stdio_flush: check FILE * handle for null.
Minor cleanups.
* eval.c (eval_init): Register seek_stream as intrinsic.
* stream.c (from_start_k, from_current_k, from_end_k): New symbol
variables.
(strm_whence): New enum.
(strm_ops): New member, seek.
(stdio_maybe_write_error): Renamed to stdio_maybe_error; takes
new string argument to describe action.
(stdio_put_string, stdio_put_char, stdio_put_byte): Updated call to
stdio_maybe_error.
(stdio_flush): Updated call to stdio_maybe_error. Check
handle for null.
(stdio_seek): New static function.
(stdio_ops): Added stdio_seek.
(pipe_ops, string_in_ops, byte_in_ops, string_out_ops,
strlist_out_ops, dir_ops): Added explicit zero entries and comments for
unimplemented functions.
(seek_stream): New function.
(stream_init): New keyword symbols interned.
* stream.h (from_start_k, from_current_k, from_end_k): New
variables declared.
(dev_k, ino_k, mode_k, nlink_k, uid_k, gid_k, rdev_k, size_k,
blksize_k, blocks_k, atime_k, mtime_k, ctime_k, s_ifmt, s_iflnk,
s_ifreg, s_ifblk, s_ifdir, s_ifchr, s_ififo, s_isuid, s_isgid, s_isvtx,
s_irwxu, s_irusr, s_iwusr, s_ixusr, s_irwxg, s_irgrp,
s_iwgrp): Existing extern variables declared.
(seek_stream): New function declared.
* txr.1: Documented seek-stream.
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* txr.c (version): Bumped.
* txr.1: Bumped version and set date.
* configure (txr_ver): Bumped.
* RELNOTES: Updated.
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arguments is a right-associative reduction, not left.
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output blocks across the same stream.
* match.c (close_s, named_k, continue_k, finish_k): New symbol
variables.
(v_output): Implement :named, :finish and :continue.
(v_close): New static function.
(syms_init): New symbols interned.
(dir_tables_init): New entry associating v_close
function with symbol stored in close_s.
* match.h (close_s): Declared.
* txr.1: New features documented.
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* and time-string-utc.
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Explicitly specifying @rest using (op ... . @rest)
did not work at all.
The then-func agument of iff and iffi may now be nil.
* eval.c (format_op_arg): New static function.
(transform_op): Handle dotted lists ending in @rest
or @<num>.
(supplement_op_syms): New static function.
(expand_op): Add missing numeric arguments,
so that all 1 through n are in the list.
Trailing rest is now added under different
conditions.
* lib.c (do_iff): Give thenfun the same
behavior on nil that elsefun enjoys.
* txr.1: Updated.
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block, for specifying variables to include in iteration whose
presence repeat is not able to deduce.
* match.c (extract_bindings): New argument, vars, specifies
additional variables to consider.
(do_output_line, do_output): Process :vars argument of repeat
and rep directive.
* txr.1: Updated.
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txr.1: Documented line continuation for string literals,
supported since Version 38 but not clarified properly.
RELNOTES: Updated.
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