| Commit message (Collapse) | Author | Age | Files | Lines |
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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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Vector code cleanup.
* lib.h (zero, one, two, negone, maxint, minint): Extern declarations
removed, macros introduced for these identifiers.
* lib.c (zero, one, two, negone, maxint, minint): File scope
definitions removed.
(vector): Use vec_alloc and vec_fill enums instead of constants.
(obj_init): Remove references to removed definitions.
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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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Leading :nothrow with trailing material is an error now.
* txr.1: Updated. Made note of errors in pipes being asynchronous.
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features. Support for obsolescent @(next) syntax is gone.
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* match.c (match_files): Added a couple of break statements.
* txr.1: Updated.
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a minimum number of lines.
* match.c (match_files): New behavior in skip_s case.
* txr.1: Documented.
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lines to match must fail. Extra data lines relative to the spec
are tolerated; extra spec lines unmet by data aren't.
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* lib.c (split_str, split_str_set): It is necessary to protect input
parameters against GC, because we cache their internal pointers,
after which we no longer refer to the objects themselves. Moreover,
we perform object allocation, and then keep using the internal
pointers.
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once, and a query doesn't execute if it had errors.
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Added missing support for literal string type.
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of string must use postincrement on the index, otherwise the access
goes past the null terminator.
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If the virtual line is partially matched, the remainder of
the line is folded back into list form. In this case, the
data line number must be incremented. Otherwise the calling
context may conclude that no progress was made, and
skip a line of input. I.e. the unmatched part of the input
is a new line, even if there had originally
been no line break at that point.
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* lib.c (split_str_sep): New function.
(split_str): Semantics changed; the second argument
is not a set of separator characters (like in split_str_sep)
but rather a separator string. Fixed bug: if the input
string is empty, the output list is empty. This caused
infinite looping behavior in @(freeform).
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that we don't clobber the null terminator in the target string, or try
read past the end of the source data. This affects the @(freeform)
directive.
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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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Exponential memory consumption behavior was observed when
matching the input aaaaaa....
against the regex a?a?a?a?....aaaa....
The fix is to eliminate common subexpressions
from the derivative for the or operator.
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in a code path where it sometimes isn't.
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discovered on Red Hat EL 4 with gcc 3.4.3.
In the collect loop, set car(success) to nil.
Somehow the generated code hangs on to the last
matching position for a regex, preventing GC.
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on 32 bit x86 Fedora. This happens because the lazy list variable
``data'' in the match_files function is optimized to a register,
but a stale value of that variable persists in the backing storage.
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variable.
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