| Commit message (Collapse) | Author | Age | Files | Lines |
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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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This turns out to be easy to do in NFA land.
The complement of an NFA has exactly the same number
and configuration of states and transitions, except
that the states have an inverted meaning; and furthermore,
failed character transitions are routed to an extra
state (which in this impelmentation is permanently
allocated and shared by all regexes). The regex &
is implemented trivially using DeMorgan's.
Also, bugfix: regular expressions like A|B|C are allowed
now by the syntax, rather than constituting syntax error.
Previously, this would have been entered as (A|B)|C.
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needed because suppressing generation of unput is requested via
the %option. In scanners generated by the legacy version of
flex, 2.5.4, still widely in use. this redundancy leads to
a multiple #define YY_NO_UNPUT and a compiler warning.
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unused functons yyunput and yyinput, thus getting rid of
some compiler diagnostics.
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that as an object to vformat, resulting in #<garbage: ...>
output.
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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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of standard conformance.
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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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Fix possible use of uninitialized ch.
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