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* Version 73txr-73Kaz Kylheku2014-01-081-1/+1
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* Version 72txr-72Kaz Kylheku2013-12-171-1/+1
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* 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.
* * txr.c (txr_main): Change stderr to line buffered mode.Kaz Kylheku2013-12-111-0/+2
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* Bumping copyrights to 2014 and expressing them as year ranges.Kaz Kylheku2013-12-101-1/+1
| | | | Fixing some errors in copyright comments.
* syslog support; bitwise logior and logand functions become variadic.Kaz Kylheku2013-12-101-0/+4
| | | | | | | | | | | | | | | | | | | | * 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.
* Version 71txr-71Kaz Kylheku2013-12-071-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Fixing some old-style coding that became obsoleteKaz Kylheku2013-12-061-2/+1
| | | | | | | | | | | | around November 2009. * lib.c (lazy_str): Use the efficient lit("...") that doesn't allocate memory instead of string(L"..."). (lazy_str_get_trailing_list): Likewise. * stream.c (open_process): Likewise. * txr.c (remove_hash_bang_line): Likewise.
* * eval.c (eval_init): Registered regex_parse as newKaz Kylheku2013-12-051-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | 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.
* * configure: Added check to detect POSIX sleep function.Kaz Kylheku2013-11-271-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* Version 70txr-70Kaz Kylheku2013-11-211-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 69.txr-69Kaz Kylheku2013-10-231-1/+1
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* Version 68.txr-68Kaz Kylheku2013-10-071-1/+1
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* Version 67Kaz Kylheku2013-07-121-1/+1
| | | | | | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version, set date and documented string-cmp. * configure (txr_ver): Bumped. * eval.c (eval_init): Forgotten string-cmp registered as intrinsic. * txr.vim: Highlighting for string-cmp. * RELNOTES: Updated.
* Version 66.txr-66Kaz Kylheku2013-05-161-1/+1
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* Version 65txr-65Kaz Kylheku2012-04-201-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Provide access to line number info and source path.Kaz Kylheku2012-04-111-0/+4
| | | | | | | | | | | | | | * eval.c (eval_init): New intrinsic functions source-loc and source-loc-str. New variable *self-path*. * txr.1: Stub doc sections. * txr.c (self_path): New variable. * txr.h (self_path): Declared. * txr.vim: Syntax highlighting for source-loc, source-loc-str and *self-path*.
* Version 64txr-64Kaz Kylheku2012-04-061-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 63txr-63Kaz Kylheku2012-03-301-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 62txr-62Kaz Kylheku2012-03-231-1/+1
| | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped.
* Version 61txr-61Kaz Kylheku2012-03-151-1/+1
| | | | | | | | | | | | | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * eval.c (op_modplace): Fix warning about uninitialized variable. No bug. * filter.c: gcc compilation regresion: missing <stdio.h> breaks inclusion of "stream.h" header. Strangely, didn't show up when configured for compiling with g++ on Ubuntu. * match.c (match_filter): Fixed ununsed variable warning. * txr.vim: Bunch of missing keywords added. * dep.mk: Regenerated.
* Version 60Kaz Kylheku2012-03-041-1/+1
| | | | | | | | | | | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated. * txr.vim: Handle : symbol properly. * eval.c (op_defun): Bugfix: documentation says that defun supports the same parameter list as lambda, and that is the intent. But this was broken, since op_defun was expecting the parameter list to be a proper list containing only bindable symbols, ruling out the use of the consing dot for rest parameter as well as the colon keyword symbol for optional parmeters.
* Version 59txr-59Kaz Kylheku2012-02-281-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* * match.c (extract): Check for negative value of opt_nobindings,Kaz Kylheku2012-02-271-2/+8
| | | | | | | | | | | which forces the printing. * txr.c (help): Under -b, mention that printing the word false is suppressed also. Added documentation for -B. (main): Implemented -B option. * txr.1: Documented -B option and added clarifying text under -b option explaining the conditions under which bindings are printed.
* * arith.c: Updated copyright year.Kaz Kylheku2012-02-251-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* Version 58txr-58Kaz Kylheku2012-02-251-1/+1
| | | | | | | | | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated. * eval.c (eval_init): Updated. * rand.c (rand): Function renamed to rnd due to a clash with standard C library (that does not show up when compiling as C++). * rand.h (rand): Declaration renamed to rnd.
* First cut at @(load) directive. Incomplete: debug location infoKaz Kylheku2012-02-241-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | needs to record file name, not only line number; absolute paths not handled, etc. * match.c (load_s): New symbol variable. (v_load): New static function. (syms_init): load_s initialized. (dir_tables_init): Load directive registered. * match.h (load_s): Declared. * parser.h (parse_reset): New function declared. * parser.l (spec_file_str): Global variable moved from txr.c. (parse_reset): New function. * parser.y (clause): Special handling for @(load ...) directive. parent file path inserted into the syntax at parse time, so when the load directive executes, it can load the file from the same directory as the parent file. * txr.c (spec_file_str): Global variable moved to parser.l.
* Introducing optional arguments.Kaz Kylheku2012-02-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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
* Version 57txr-57Kaz Kylheku2012-02-131-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 56Kaz Kylheku2012-02-051-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 55txr-055Kaz Kylheku2012-01-261-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 54txr-54Kaz Kylheku2012-01-211-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Improved debugging. Debug nesting depth counter maintainedKaz Kylheku2012-01-211-1/+15
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | and used for next/step/finish stepping. * Makefile (OBJS): debug.o moved to OBJS-y or OBJS-. (OBJS-y, OBJS-): New variables. $(PROG): Depends on OBJS-y also. clean: clean $(OBJS-y). depend: include $(OBJS-y) in dependency generation. * configure: Underscores and dashes are interchangeable in configure variables. (yaccname_given, yacc_given): Default value is y, not yes. (debug_support): New config variable. (CONFIG_DEBUG_SUPPORT): New config.h symbol. * debug.c (debug_depth): New global variable. (debug_block_s): New symbol variable. (next_depth): New static variable. (debug): Renamed some commands. Introduced separate next, step and finish. (debug_init): debug_block_s initialized. * debug.h (debug_depth, debug_block_s): Declared. (debug_enter, debug_leave, debug_return): New macros. (debug_check, debug_init): Conditionally defined based on if this is a debug build. * dep.mk: Regenerated. * eval.c (eval): Instrumented with debug_enter, debug_leave, debug_return. * match.c (match_line, v_fun, match_files): Likewise. * txr.c (txr_main): Bail if -d or --debug used in build that lacks debug support.
* Version 53Kaz Kylheku2012-01-111-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 51txr-51Kaz Kylheku2011-12-281-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 50txr-50Kaz Kylheku2011-12-231-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 049txr-049Kaz Kylheku2011-12-191-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 048txr-048Kaz Kylheku2011-12-131-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 047txr-047Kaz Kylheku2011-12-121-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 046txr-046Kaz Kylheku2011-12-061-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 045txr-045Kaz Kylheku2011-12-051-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 044txr-044Kaz Kylheku2011-12-011-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOTES: Updated.
* Version 043txr-043Kaz Kylheku2011-11-231-1/+1
| | | | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped. * RELNOES: Updated.
* * txr.c (remove_hash_bang_line): Recognize multipleKaz Kylheku2011-11-231-8/+13
| | | | | | syntax possibilities. A hash bang could be buried in a (text ...) compound, or it could just be a string (thanks to the text form optimization).
* Semantics change. If a variable is followed by a mixtureKaz Kylheku2011-11-231-5/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | of text and regular expressions, that whole mixture is considered to follow the variable and used for matching. The earlier semantics change whereby a single unescaped space denotes the regular expression / +/ broke the simple case @a word. It caused the @a to be followed not by the text " word" but by just the regular expression element. With this change @a word means that a is followed by the regex / +/ and "word". * match.c (text_s): New symbol variable. (h_text): New function. (syms_init): Initialize new symbol variable. (dir_tables_init): Hook h_text into horizontal directives table. * match.h (text_s): Declared. * parser.y (text, texts): New nonterminals. (elem): TEXT, SPACE and regex are now handled under texts grammar production. All texts are run together and produce an item which looks like (text items ...). * txr.1, RELNOTES: Updated. * txr.c (remove_hash_bang_line): Updated to find #! buried in (text ...) syntax.
* Version 042Kaz Kylheku2011-11-201-1/+1
| | | | | | | | * txr.c (version): Bumped. * txr.1: Bumped version and set date. * configure (txr_ver): Bumped.
* Adding a debugger. This is an experimental prototype.Kaz Kylheku2011-11-131-0/+13
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 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.
* * match.c: Removed <assert.h>Kaz Kylheku2011-11-131-1/+0
| | | | * txr.c: Likewise.
* Eliminate line numbers from the abstract syntaxKaz Kylheku2011-11-121-3/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | tree representation of the TXR query. * match.c (debuglf, sem_error, file_err, eval_form): Line number argument replaced with the form to which the situation pertains. Location information is pulled from the hash table entry associated with the form. (dest_set, dest_bind, eval_form, vars_to_bindings): Context argument renamed since it isn't a line number. (struct match_line_ctx): spec_lineno member removed. (ml_all, ml_bindings_specline): lineno parameter removed. (LOG_MISMATCH, LOG_MATCH, h_var, h_skip, h_coll, h_parallel, match_line): Pass elem to debuglf instead of line number. as context. (h_trailer, h_eol): define elem for LOG_MISMATCH and LOG_MATCH macros. (h_fun): Pass elem variable to debuglf instead of line number. Body stored as a simple cons cell once again (no line number). (do_output_line): Line number parameter removed. Pass specline to sem_error instead of line number. (do_output): Adjusted for one less parameter in do_output_line. (mf_from_ml): Pass one less parameter to ml_all. Conversion of specline to spec is just a wrapping into a nested list, with no line number. (spec_bind): Linenumber variable parameter removed from macro. Definition simplified. (v_skip): Pass specline to debuglf instead of spec_linenum, which is no longer computed. (v_trailer): Use new definition of specline. Pass first_spec to sem_error instead of spec_linenum. Computation of ff_specline no longer has to skip line number. (v_freeform, v_block, v_accept_fail, v_next, v_parallel, v_gather, v_collect, v_merge, v_bind, hv_trampoline, v_cat, v_output, v_try, v_defex, v_throw, v_deffilter, v_filter, match_funcall): Use new definition of specline. Pass first_spec to sem_error instead of spec_linenum. (v_forget_local): Specline computed differently since there is no linenumber to skip. (h_define): Back to implified representation of function with no extra cell for line number. (v_define, v_fun): Pass first_spec to sem_error instead of spec_linenum. Back to implified representation of function with no extra cell for line number. (match_files): first_spec_item computed differently. Pass first_spec to sem_error instead of spec_linenum. * parser.h (source_loc): Declared. * parser.l (source_loc): New function. * parser.y:x (grammar): Removed line numbers from abstract sytnax tree. A few more places needed the annotation of forms with location info, and a couple of cases of the need to propagate the info was
* * match.c (opt_nobindings, opt_arraydims): GlobalKaz Kylheku2011-11-101-0/+8
| | | | | | | | | | | | | | | | | variables moved from parser.l. (opt_lisp_bindings): New variable. (dump_bindings): Dump Lisp syntax bindings on standard output if opt_lisp_bindings is set. (v_cat): Do not complain about trailing material; this is not compatible with horizontal cat. * parser.l (opt_nobindings, opt_arraydims): Moved to match.c. * txr.c (txr_main): New options, --lisp-bindings and the equivalent -l. * txr.h: opt_lisp_bindings declared.
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