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expression
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This was fixed by adding "&nodep=true" in the minibar when it requests a
parse tree from the server. The reason dependency information got included
in the first place was that all rendering options are on by default in
command=parsetree requests in PGF service API.
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This patch fixes a problem introduced last year when the GF shell was
refactored to allow more commands to be treated uniformly and be part
of pipes. The cc command was one of those commands, but unfortunately this
introduced a parsing problem, e.g.
> cc "last"
constant not found: last
> cc "last"++"year"
command not parsed: cc "last"++"year"
This happened because the generic command line parser in
GF.Command.{Abstract,Parse} assumes that all commands have an argument of
type PGF.Expr. Commands that expect other types of arguments have to
use PGF.showExpr combined with other conversion to the argument type they
expect. The cc command excpets a GF.Grammar.Term, and unfortunately not
all terms survice the roundtrip through PGF.Expr, in part because of
an additional hack to allow strings to be roundtripped through PGF.Expr
without adding superfluous double quotes.
To solve the problem, this patch
+ makes room for arguments of type Term in the Argument type in
GF.Command.Abstract.
+ makes a special case for the cc command in GF.Command.Parse, by
calling the partial parser 'runPartial pTerm' recently added in
GF.Grammar.Lexer and GF.Grammar.Parser. Care was taken so that
that "|" and ";" can be used both inside terms and as separators between
commands in the shell, e.g. things like the following now work:
> cc ("a"|"b") | ps -lexcode
variants { "a" ; "b" }
+ introduces a type CommandArgument that replaces [Expr] as the
type of values passed between commands in pipes. It has room for
values of type [Expr], [String] and Term, thus eliminating the need
to roundtrip through the Expr type all the time.
The hack to avoid adding superfluous quotes when strings are
roundtripped through Expr has been left in place for now,
but can probably be removed.
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Lexer.x: Change the parser monad type P to allow the remaining input to
be returned after a partial parse. Add function
runPartial :: P t -> String -> Either (Posn, String) (String, t)
Parser.y: Add a partial parser pTerm for nonterminal Exp1.
Re-export runPartial.
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It looks like I introduced this cyclic definition in August 2014, but since
it isn't used, it hasn't been a problem...
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libraries and add gf-tools.cabal to compile them
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The automake package contains aclocal, which is needed when running
autoreconf -i.
I never needed to install automake explicitly on Linux, presumably because it
got installed anyway because of some other dependency, but apparently you
can't take this for granted.
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parameters
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features are supported yet. Based on contribution from Gleb Lobanov
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rewriten to use the complete evaluator in GF.Compile.Compute.ConcreteNew. The old sketchy implementation in GF.Compile.Compute.ConcreteNew1 is now removed.
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and once for Mac OS. This is still not ideal since different Linux distributions might use different locations.
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and Mac OS
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interact properly with the lazy parser
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finding an abstract tree whose linearization matches given keywords
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generator
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copied since otherwise the Python string may be discarded the garbage collector
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one fix in DictionaryChi
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Because of the "heurisitc factor", the results returned by the parser might
not be in strict probability order. To compensate, a sorting pass has been
added to find and show the translation with the highest probability among the
10 first translations.
However, this means that the translation demo now immediately has to ask for
10 translations of every segment. Before, it initially asked for only one
translation of every segment, and then 9 more translations for a segment
when/if the user clicked on it. This change can slow down translation
noticeably (e.g. from 15s 30s to load an example with fiction in English).
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"File/Open In Wide Coverage Translation Demo" stopped working when support
for using different grammars in the Wide Coverage Translation Demo was added
On September 2.
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still not optimal
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This is implemented as a simple post-processing step after partial evaluation
to try compute pre{...} tokens in token sequences. Nothing is done to deal
with intervening free variants.
This was done in response to a query from René T on the gf-dev mailing list.
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