| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Bugfix in typeof.
* filter.c (trie_compress): New function.
(trie_value_at, trie_lookup_feed_char, filter_string): Handle cons cell
nodes in trie.
(build_filter): Call trie_compress.
* gc.c (cobj_destroy_op): Function renamed to cobj_destroy_stub_op
since it doesn't do anything.
(cobj_destroy_free_op): New function.
* hash.c (struct hash_iter): New type.
(hash_destroy): Function removed.
(hash_ops): Reference to hash_destroy replaced with
cobj_destroy_free_op.
(hash_count, hash_iter_mark, hash_begin, hash_next): New functions.
(hash_iter_ops): New static structure.
* hash.h (hash_count, hash_begin, hash_next): New functions declared.
* lib.c (hash_iter_s): New symbol variable.
(typeof): Bugfix: TAG_LIT type tag not handled.
(vecref): New function.
(obj_init): Initialize hash_iter_s.
* lib.h (cobj_destroy_op): Declaration renamed.
(cobj_destroy_free_op, vecref): New functions declared.
(hash_iter_s): New variable declared.
* stream.c (string_in_ops, byte_in_ops): cobj_destroy_op
renamed to cobj_destroy_stub_op.
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* filter.c, filter.h: New files.
* Makefile (OBJS): filter.o added.
* gc.c (mark_obj): Mark new alloc field of string objets.
* hash.c (struct hash): New member, userdata.
(hash_mark): Mark new userdata member of hash.
(make_hash): Initialize userdata.
(get_hash_userdata, set_hash_userdata, hashp): New functions.
* hash.h (get_hash_userdata, set_hash_userdata, hashp): New functions
declared.
* lib.c (getplist, string_extend, cobjp): New functions.
(string_own, string, string_utf8): Initialize new alloc field to nil.
(mkstring, mkustring): Initialize new alloc field to actual size.
(length_str): When length is computed and cached, also compute
and cache alloc.
(init): Call filter_init.
* lib.h (string string): New member, alloc.
(num_fast): Macro converted to inline function.
(getplist, string_extend, cobjp): New functions declared.
* match.c (match_line): Follows change of modifier s-exp syntax.
(format_field): New parameter, filter.
New modifier syntax parsed. Filter retrieved, and applied.
(subst_vars): New parameter, filter. Filter is either applied
in this function or passed to format_field, as needed.
(eval_form): Pass nil to new parameter of subst_vars.
(do_output_line): New parameter, filter. Passed down to subst_vars.
(do_output): New parameter, filter. Passed down to do_output_line.
(match_files): Pass nil filter to subst_vars in cat directive.
Output directive refactored to parse keywords, extract the
filter and pass down to do_output.
* parser.y (regex): Generate (sys:regex regex syntax ...)
instead of (regex syntax ...).
(elem, expr): Updated w.r.t. regex syntax change.
(var): Cases '{' IDENT regex '}' and '{' IDENT NUMBER '}'
are removed. new syntax '{' IDENT exprs '}' to handle these
more generally and allow for keywords.
* txr.1: Updated.
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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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the type codes of spuriously reached nodes; reached objects
will not be removed by weak processing and so it's better
to just detect those situations and short-circuit.
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* hash.h (sethash): Declared.
* lib.c (cobj_handle): New function.
* lib.h (cobj_handle): Declared.
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no null pointer check over struct cobj_ops operations.
New typechecking function for COBJ objects.
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from now on, which is compatible with unsigned char *.
No implicit conversion to or from this type, in C or C++.
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in regex module not exposed in header. Etc.
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have a _s suffix.
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can be converted to a type long and vice versa. The configure
script tries to detect the appropriate type to use. Also,
some run-time checking is performed in the streams module
to detect which conversions specifier strings to use for
printing numbers.
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a system package instead of being hacked with the $ prefix.
Keyword symbols are provided. In the matcher, evaluation
is tightened up. Keywords, nil and t are not bindeable, and
errors are thrown if attempts are made to bind them.
Destructuring in dest_bind is strict in the number of items.
String streams are exploited to print bindings to objects
that are not strings or characters. Numerous bugfixes.
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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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pointer to a C static string, intended for literals. We can now
treat literal strings as light-weight objects.
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Bumped version numbers, and cleaned up trailing whitespace from some files.
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C structure contains obj_t * references, we should initialize
that C structure after allocating the cobj. If we initialize
the structure first, it may end up having the /only/ references
to the objects. In that case, the objects are invisible to the
garbage collector. The subsquent allocation of the cobj itself
then may invoke gc which will turn these objects into dust.
The result is a cobj which contains a handle structure that
contains references to free objects. The fix is to allocate
the handle structure, then the cobj which is associated with
that handle, and then initialize the handle, at which point it
is okay if the handle has the only references to some objects.
Care must be taken not to let a cobj escape with a partially
initialized handle structure, and not to trigger gc between
allocating the cobj, and initializing the fields.
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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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in place, and thus having to pulling all conses into a big list.
TODO: avoid recomputing the hash function over the keys.
We could enhance cons cells with two more fields without using
additional storage.
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Now numbers and characters fit into a cell. We lose one more bit
from the range of numbers.
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unboxed. If the lowest bit of the obj_t * pointer is 1, then
the remaining bits are a number. A lot of assumptions are made:
- the long type can be converted to and from a pointer
- two's complement.
- behavior of << and >> operators when the sign bit is involved.
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due to use of boxed numbers for vector access.
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