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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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of empty [] into regterm, via empty derivation.
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to match no character and [^] as its complement,
being synonymous with the wildcard dot.
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being treated as a non-complemented set of two characters.
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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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in chrlit. Include <stdlib.h> for abort.
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The parser.y file includes "utf8.h", which uses the the type wint_t.
It also includes "lib.h" which uses "wchar_t". But it fails
to include any headers which define these types.
The generated y.tab.c picks up wchar_t by the Bison-inserted
inclusion of <stdlib.h>, so that's how we got that. But wint_t does not
come from any of the headers---if they are standard-conforming.
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that as an object to vformat, resulting in #<garbage: ...>
output.
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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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a value to $$.
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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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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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Lazy strings implemented, incompletely.
Changed string function to implicitly strdup; non-strdup
version changed to string_own. Fixed wrong uses of strdup
rather than chk_strdup.
Functions added to regex module to provide regex matching
as a state machine to which characters are fed.
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