| Commit message (Collapse) | Author | Age | Files | Lines |
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* eval.c (eval_init): Register new open_tail function as intrinsic.
* match.c (complex_snarf, complex_stream): Update calls to
make_stdio_stream and make_pipe_stream to take fewer arguments.
(match_files): Support a stream object as a data source specification
in place of a string.
* parser.l (parse_reset): Update call to make_stdio_stream to take
fewer arguments.
* stream.c: Inclusion of <unistd.h> made properly conditional.
(struct stdio_handle): pid member defined as pid_t only if we have fork
functionality, otherwise defined as int.
(tail_get_line, tail_get_char, tail_get_byte): New static functions.
(tail_ops): New static structure.
(make_stdio_stream_common): New static structure.
(make_stdio_stream, make_pipe_stream): These functions lose the input
and output parameters, which ended up never used. Reimplemented
in terms of new common function.
(make_tail_stream): New function.
(make_pipevp_stream): Reimplemented in terms of new common function.
(open_file, open_command): Simplified by removal of useless local
variables and their computation, which used to be extra arguments to
make_stdio_stream and make_pipe_stream.
(open_tail): New function.
(stream_init): Calls to make_stdio_stream updated.
* stream.h (make_stdio_stream, make_pipe_stream): Declarations updated.
(make_tail_stream, open_tail): Declared.
* txr.c (txr_main): Calls to make_stdio_stream updated.
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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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* eval.c (eval_init): Registered logtest.
Registered 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,
s-ixgrp, s-irwxo, s-iroth, s-iwoth, s-ixoth variables.
* lib.h (logtest): Declared.
* stream.c (s_ifmt, s_ifsock, 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, s_ixgrp, s_irwxo, s_iroth,
s_iwoth, s_ixoth): New global variables.
* stream.h (s_ifmt, s_ifsock, 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, s_ixgrp, s_irwxo, s_iroth,
s_iwoth, s_ixoth): Declared.
* txr.1: Documented logtest and s-* variables for stat,
as well as open-file and open-directory.
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* eval.c: New intrinsic functions "stat" and "prop".
* stream.c: Include <sys/stat.h> if we have it.
(w_stat, statf): New functions.
(val dev_k, ino_k, mode_k, nlink_k, uid_k,
val gid_k, rdev_k, size_k, blksize_k, blocks_k;
val atime_k, mtime_k, ctime_k): New sybol variables.
(stream_init): Intern new keywords symbols.
* stream.h (statf): Declared.
* txr.1: prop documented. Stub for stat created.
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intrinsics. open-pipe is now deprecated but stays for backward
compatibility as a synonym for open-command.
* stream.c (open_pipe): Renamed to open_command.
(open_pipevp): Renamed to open_process.
* stream.h (open_pipe, open_pipevp): Declarations updated.
* txr.1: Documentation headings updated.
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that popen accepts a complete command. We need something which
accepts a program name, and a list of arguments, so that
we don't have to assemble together a correctly quoted string.
popen needs an alternative interface resembling execvp.
* eval.c (eval_init): New intrinsic registered, open-pipe-args.
* stream.c (struct stdio_handle): New member, pid.
(stdio_stream_print): Print the pid, if it is nonzero.
(pipevp_close): New close function.
(pipe_close): If h->pid is nonzero, it's a new-style pipe, which
must be closed with pipev_close.
(make_stdio_stream, make_pipe_stream): Initialize new stdio_handle
member to zero.
(make_pipevp_stream): New static function.
(open_pipevp): New function.
* stream.h (open_pipevp): Declared.
* txr.1: open-pipe-args added to stub section heading.
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that output has taken place and suppress the printing of bindings.
* debug.c (debug): std_output replaced with std_debug.
* eval.c (eval_init): Registered new *stddebug* variable.
* stream.c (std_debug): New variable.
(stdio_put_string): Check that stream is other than
std_debug, to determine that output has taken place.
* stream.h (std_debug): Declared.
* txr.1: Added *stddebug* to documentation stub heading.
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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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* stream.c (struct strm_ops): New member, put_byte.
(stdio_put_byte): New function.
(stdio_ops, pipe_ops, string_in_ops, byte_in_ops,
string_out_ops, strlist_out_ops, dir_ops): Updated.
(put_byte): New function.
* stream.h (put_byte): Declared.
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* debug.c (help, show_bindings): put_string arguments reversed.
* eval.c (bind_args): Support colon notation in interpreted
function lambda lists for optional arguments. Improved error checking.
(apply): Allow optional arguments to be left out.
(dwim_loc): Reversed arguments to replace_str, replace_vec,
replace_list.
(eval_init): Numerous intrinsics now have arguments that are optional.
New function rand introduced which reverses arguments relative to
random. New intrinsic function hash introduced for alternative
construction of hashes.
* gc.c (sweep): Reversed arguments to put_char.
* hash.c (weak_keys_k, weak_vals_k, equal_based_k): New keyword
symbol variables.
(hashv): New function.
(hash_init): Intern new symbols.
* hash.h (weak_keys_k, weak_vals_k, equal_based_k, hashv): Declared.
* lib.c (colon_k): New keyword symbol variable.
(replace_list, replace_str, replace_vec): Arguments rearranged.
(tree_find): testfun becomes optional argument.
(int_str): base becomes optional argument.
(func_f0, func_f1, func_f2, func_f3, func_f4, func_n0,
func_n1, func_n2, func_n3, func_n4, func_f0v, func_f1v,
func_f2v, func_f3v, func_f4v, func_n0v, func_n1v,
func_n2v, func_n3v, func_n4v, func_interp): Initialize optargs to zero.
(func_n0o, func_n1o, func_n2o, func_n3o, func_n4o): New functions.
(cobj_print_op): Reversed arguments to put_string.
(find): testfun and keyfun become optional arguments.
(replace): Parameters rearranged and arguments rearranged in calls to
replace_list, replace_str and replace_vec.
(obj_init): colon_k initialized.
(obj_print, obj_pprint): Arguments reversed, and stream defaults
to std_output. Arguments reversed in calls to put_char and put_string.
(dump): Arguments reversed in call to put_char.
* lib.h (struct func): sizes of minparam, fixparam bitfields
adjusted. New bitfield optargs. New unnamed bitfield added so
the previous ones add up to 16 bits.
(colon_k): Declared.
(func_n0o, func_n1o, func_n2o, func_n3o, func_n4o): Declared.
(replace_list, replace_str, replace_vec, replace): Declarations updated.
* match.c (debuglf, dump_shell_string, dump_byte_string, dump_var,
do_output_line, extract): Reversed arguments to put_char and
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or not. This is now done right inside the standard output stream.
* match.c (output_produced): Variable removed.
(complex_open): Assignment to output_produced removed.
* stream.c (output_produced): New global variable.
(stdio_put_string, stdio_put_char): Set output_produced
to t if the target of the output is stdout.
* stream.h (output_produced): Declared.
* txr.h (output_produced): Declaration removed.
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* match.c (v_do): Store match context.
(match_fun): New function.
* match.h (match_fun): Declared.
* stream.c (streamp): New function.
* stream.h (streamp): Declared.
* txr.1: Stub section for match-fun.
* txr.vim: Highlight match-fun.
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* eval.c (op_let): Bugfix: was not evaluating var init forms.
(reg_var): New static function.
(eval_init): Registered numerous stream functions and the
three standard streams.
* lib.c (obj_print, obj_pprint): Modified to return a value.
(init): eval_init called after stream_init, because eval
needs the three standrad streams prepared.
* lib.h (obj_print, obj_pprint): Declarations updated.
* stream.c (format): Support t as a shorthand for standard output.
(formatv, open_directory, open_file, open_pipe): New functions.
(w_opendir): New static function.
* stream.h (formatv, open_directory, open_file, open_pipe):
Declared.
* txr.vim: set iskeyword such that keyword can contain special
characters. Set b:current_syntax to "lisp".
(txl_keyword): New keyword category populated with TXR Lisp keywords
defined as separate category.
(txr_list): Contains txl_keyword.
(txr_meta): Contains txl_keyword and txr_list.
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* Makefile (OBJS): New object file debug.o.
* dep.mk: Updated.
* match.c (h_fun): Use debug_begin and debug_end macros
to set up a debug frame for backtracing.
(match_line, match_files): Call debug_check to give debugger a chance
to instrument call.
(v_fun): Use debug_begin and debug_end macros to set up a debug frame
for backtracing. Call debug_check to give debugger a chance to
instrument call.
* stream.c (struct strm_ops): New function pointer, flush.
(stdio_maybe_write_error): Wrong word in error message corrected.
(stdio_flush): New static function.
(stdio_ops, pipe_ops): New function entered into tables.
(flush_stream): New function.
* stream.h (flush_stream): Declared.
* txr.c (help): New options documented.
(main): call to debug_init added. New debug options parsed and
opt_debugger set accordingly.
* unwind.c (uw_push_debug, uw_current_frame): New function.
* unwind.h (uw_frtype): New enumeration member UW_DBG.
(struct uw_debug): New frame variant.
(union uw_frame): New member, db.
(uw_push_debug, uw_current_frame): Declared,
* debug.c: New file.
* debug.h: New file.
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* parser.l (prepared_error_message): New static variable.
(yyerror): Emit and clear prepared error message.
(yyerrprepf): New static function.
(yybadtoken): Function moved into parser.y.
(grammar): For irrecoverable lexical errors, stash error message
with yyerrprepf and return the special error token ERRTOK to generate a
syntax error. I could find no other interface to the parser to make it
cleanly exit.
* parser.y (ERRTOK): New terminal symbol, does not appear anywhere
in the grammar.
(spec): Bail after 8 errors, recover to nearest newline, and
use yyerrok to clear error situation.
(YYEOF): Provided by Bison, conditionally defined for other yacc-s.
(yybadtoken): Function moved from parser.l. Checks for the next
token being YYEMPTY or YYEOF, and also handles ERRTOK.
* stream.c (vformat_to_string): New function.
(format): If stream is nil, format to string and return it.
* stream.h (vformat_to_string): Declared.
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library, allow output to be captured as a list of strings
representing lines (in contrast to string streams which capture
a single string).
The output directive can output to a variable,
and next can scan over a variable.
* lib.c (span_str, compl_span_str, break_str): New functions.
* lib.h (span_str, compl_span_str, break_str): New functions declared.
* match.c (into_k, var_k): New keyword variables.
(mf_file_data): New static function.
(v_next): Refactored argument handling. Added support for :var
keyword.
(v_output): Added support for :into keyword.
* stream.c (strlist_mark, strlist_out_put_string,
strlist_out_put_char): New static functions.
(strlist_out_ops): New static struct.
(make_strlist_output_stream, get_list_from_stream): New functions.
* stream.h (make_strlist_output_stream, get_list_from_stream): New
functions declared.
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hash.h, lib.c, lib.h, match.c, match.h, parser.h, parser.l, parser.y,
regex.c, regex.h, stream.c, stream.h, txr.1, txr.c, txr.h, unwind.c,
unwind.h, utf8.c, utf8.h: Updated e-mail address.
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lib.h, match.c, match.h, parser.h, parser.l, parser.y, regex.c,
regex.h, stream.c, stream.h, txr.1, txr.c, txr.h, unwind.c, unwind.h,
utf8.c, utf8.h: Updated copyright year.
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we wouldn't have to declare object variables at all, so why
use an obtuse syntax to do so?)
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abstraction instead of directly using C standard I/O,
to eliminate most uses of C formatted I/O,
and fix numerous bugs, such variadic argument lists which
lack a terminating ``nao'' sentinel.
Bug 28033 is addressed by this patch, since streams no longer provide
printf-compatible formatting. The native formatter is extended with
some additional capabilities to take over.
The work on literal objects is expanded and they are now used
throughout the code base.
Fixed bad realloc in string output stream: reallocating by number
of wide chars rather than bytes.
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semantics on the input stream to wide character input.
Also, reading a query the command line (-c) must
read bytes from a UTF-8 encoding of the string.
We introduce a new get_byte function which can extract bytes
from streams which provide it.
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use wide character functions so that there is no illicit
mixing. (But the goal is to replace this usage with txr streams).
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Cleaned up some more issues related to extended characters.
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This is incomplete. There are too many dependencies on
wide character support from the C stream I/O library,
and implicit use of some encoding which may not be UTF-8.
The regex code does not handle wide characters properly.
Character type is still int in some places, rather than wchar_t.
Test suite passes though.
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is needed for pipes that terminate abnormally or return failed
termination. Pipe and stdio streams have an extra description field
so they are printed in a readable way.
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