| Commit message (Collapse) | Author | Age | Files | Lines |
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(GREP_CHECK): New macro.
(enforce): Rewritten using GREP_CHECK, with new checks.
* arith.c, combi.c, debug.c, eval.c, filter.c, gc.c, hash.c, lib.c,
* lib.h, match.c, parser.l, parser.y, rand.c, regex.c, signal.c,
* signal.h, stream.c, syslog.c, txr.c, unwind.c, utf8.c: Remove
trailing spaces.
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to C++ style casts when compiling as C++.
* lib.h (strip_qual, convert, coerce): New casting macros.
(TAG_MASK, tag, type, wli_noex, auto_str, static_str,
litptr, num_fast, chr, lit_noex, nil, nao): Use cast macros.
* arith.c (mul, isqrt_fixnum, bit): Use cast macros.
* configure (INT_PTR_MAX): Define using cast macro.
* debug.c (debug_init): Use cast macro.
* eval.c (do_eval, expand_macro, reg_op, reg_mac, eval_init):
Use cast macros.
* filter.c (filter_init): Use cast macro.
* gc.c (more, mark_obj, in_heap, mark, sweep_one, unmark): Use
cast macros.
* hash.c (hash_double, equal_hash, eql_hash, hash_equal_op,
hash_hash_op, hash_print_op, hash_mark, make_hash, make_similar_hash,
copy_hash, gethash_c, gethash, gethash_f, gethash_n, remhash,
hash_count, get_hash_userdata, set_hash_userdata, hash_iter_destroy,
hash_iter_mark, hash_begin, hash_uni, hash_diff, hash_isec): Use
cast macros.
* lib.c (code2type, chk_malloc, chk_malloc_gc_more, chk_calloc,
chk_realloc, chk_strdup, num, c_num, string, mkstring, mkustring,
upcase_str, downcase_str, string_extend, sub_str, cat_str, trim_str,
c_chr, vector, vec_set_length, copy_vec, sub_vec, cat_vec,
cobj_print_op, obj_init): Likewise.
* match.c (do_match_line, hv_trampoline, match_files, dir_tables_init):
Likewise.
* parser.l (grammar): Likewise.
* parser.y (parse): Likewise.
* rand.c (make_state, make_random_state, random_fixnum, random):
Likewise.
* regex.c (CHAR_SET_L2_LO, CHAR_SET_L2_HI, CHAR_SET_L1_LO,
CHAR_SET_L1_HI, CHAR_SET_L0_LO, CHAR_SET_L0_HI, L0_full, L0_fill_range,
L1_full, L1_fill_range, L1_contains, L1_free, L2_full, L2_fill_range,
L2_contains, L2_free, L3_fill_range, L3_contains, L3_free,
char_set_create, char_set_cobj_destroy, nfa_state_accept,
nfa_state_empty, nfa_state_single, nfa_state_wild, nfa_state_set,
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debug.h, eval.c, eval.h, filter.c, filter.h, gc.c, gc.h, hash.c,
hash.h, lib.c, lib.h, match.c, match.h, parser.h, parser.l, parser.y,
rand.c, rand.h, regex.c, regex.h, signal.c, signal.h, stream.c,
stream.h, syslog.c, syslog.h, txr.c, txr.h, unwind.c, unwind.h,
utf8.c, utf8.h: Synchronize license header with LICENSE.
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GC. The issue being solved here is the accuracy of the gc_set function.
The existing impelmentation is too conservative. It has no generation
information about the memory location being stored, and so it assumes
the worst: that it is a location in the middle of a gen 1 object.
This is sub-optimal, creating unacceptable pressure against the
checkobj array and, worse, as a consequence causing unreachable gen 0
objects to be tenured into gen 1.
To solve this problem, we replace "val *" pointers with a structure
of type "loc" which keeps track of the object too, which lets us
discover the generation.
I tried another approach: using just a pointer with a bitfield
indicating the generation. This turned out to have a serious issue:
such a bitfield goes stale when the object is moved to a different
generation. The object holding the memory location is in gen 1, but the
annotated pointer still indicates gen 0. The gc_set function then
makes the wrong decision, and premature reclamation takes place.
* combi.c (perm_init_common, comb_gen_fun_common,
rcomb_gen_fun_common, rcomb_list_gen_fun): Update to new interfaces
for managing mutation.
* debug.c (debug): Update to new interfaces for managing mutation.
Avoid loc variable name.
* eval.c (env_fbind, env_fbind): Update to new interfaces
for managing mutation.
(lookup_var_l, dwim_loc): Return loc type and update to new interfaces.
(apply_frob_args, op_modplace, op_dohash, transform_op, mapcarv,
mappendv, repeat_infinite_func, repeat_times_func): Update to new
interfaces for managing mutation.
* eval.h (lookup_var_l): Declaration updated.
* filter.c (trie_add, trie_compress, trie_compress_intrinsic,
* build_filter, built_filter_from_list, filter_init): Update to new
* interfaces.
* gc.c (gc_set): Rewritten to use loc type which provides the exact
generation. We do not need the in_malloc_range hack any more, since
we have the backpointer to the object.
(gc_push): Take loc rather than raw pointer.
* gc.h (gc_set, gc_push): Declarations updated.
* hash.c (struct hash): The acons* functions use loc instead
of val * now.
(hash_equal_op, copy_hash, gethash_c, inhash, gethash_n, pushhash,
Change to how locations are passed around, for the sake of generational
GC. The issue being solved here is the accuracy of the gc_set function.
The existing impelmentation is too conservative. It has no generation
information about the memory location being stored, and so it assumes
the worst: that it is a location in the middle of a gen 1 object.
This is sub-optimal, creating unacceptable pressure against the
checkobj array and, worse, as a consequence causing unreachable gen 0
objects to be tenured into gen 1.
To solve this problem, we replace "val *" pointers with a structure
of type "loc" which keeps track of the object too, which lets us
discover the generation.
I tried another approach: using just a pointer with a bitfield
indicating the generation. This turned out to have a serious issue:
such a bitfield goes stale when the object is moved to a different
generation. The object holding the memory location is in gen 1, but the
annotated pointer still indicates gen 0. The gc_set function then
makes the wrong decision, and premature reclamation takes place.
* combi.c (perm_init_common, comb_gen_fun_common,
rcomb_gen_fun_common, rcomb_list_gen_fun): Update to new interfaces
for managing mutation.
* debug.c (debug): Update to new interfaces for managing mutation.
Avoid loc variable name.
* eval.c (env_fbind, env_fbind): Update to new interfaces
for managing mutation.
(lookup_var_l, dwim_loc): Return loc type and update to new interfaces.
(apply_frob_args, op_modplace, op_dohash, transform_op, mapcarv,
mappendv, repeat_infinite_func, repeat_times_func): Update to new
interfaces for managing mutation.
* eval.h (lookup_var_l): Declaration updated.
* filter.c (trie_add, trie_compress, trie_compress_intrinsic,
* build_filter, built_filter_from_list, filter_init): Update to new
* interfaces.
* gc.c (gc_set): Rewritten to use loc type which provides the exact
generation. We do not need the in_malloc_range hack any more, since
we have the backpointer to the object.
(gc_push): Take loc rather than raw pointer.
* gc.h (gc_set, gc_push): Declarations updated.
* hash.c (struct hash): The acons* functions use loc instead
of val * now.
(hash_equal_op, copy_hash, gethash_c, inhash, gethash_n, pushhash,
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re-binding. C code now has to go through the dynamic environment lookup
to access things like *random-state*, or *stdout*. As part of this,
I'm moving some intrinsic variable and function initializations out of
eval.c and into their respective modules. Macros are are used to make
global variables look like ordinary C variables. This is very similar
to the errno trick in POSIX threads implementations.
* eval.c (looup_var, lookup_var_l): Restructured to eliminate silly
goto, the cobjp handling is gone.
(reg_fun, reg_var): Internal function becomes external.
reg_var registers a simple cons cell binding now, without any
C pointer tricks to real C global variables.
(c_var_mark): Static function removed.
(c_var_ops): Static struct removed.
(eval_init): Numerous initializations for streams, syslog, rand,
signals and others moved to their respective modules.
The new symbol variables user_package_s, keyword_package_s
and system_package_s are interned here, and the variables are
created in a special way.
* eval.h (reg_var, reg_fun): Declared.
* gc.c (prot1): Added assert that the loc pointer isn't null.
This happened, and blew up during garbage collection.
* lib.c (system_package, keyword_package, user_package): Variables
removed these become macros.
(system_package_var, keyword_package_var, user_package_var): New
global variables.
(system_package_s, keyword_package_s, user_package_s): New
symbol globals.
(get_user_package, get_system_package, get_keyword_package): New
functions.
(obj_init): Protect new variables. Initialization order of modules
tweaked: the modules sig_init, stream_init, and rand_init are moved
after eval_init because they register variables.
* lib.h (keyword_package, system_pckage, user_package): Variables
turned into macros.
(system_package_var, keyword_package_var, user_package_var): Declared.
(system_package_s, keyword_package_s, user_package_s): Declared.
(get_user_package, get_system_package, get_keyword_package): Declared.
* rand.c (struct random_state): Renamed to struct rand_state to
avoid clash with new random_state macro.
(random_state): Global variable removed.
(random_state_s): New symbol global.
(make_state, rand32, make_random_state, random_fixnum, random):
Follow rename of struct random_state.
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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.
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* 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.
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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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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.
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* 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.
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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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include <assert.h> since none of these modules uses the standard C
assert macro.
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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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* 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.
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