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by Normunds)
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some sentences
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target linearizations
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to be done from inside another application
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The system_pipe (aka "?") command creates a temporary file _tmpi containing
the input of the system command. It *both* appends _tmpi as an extra argument
to the system command line *and* adds an input redirection "< _tmpi". (It
also uses and output redirection "> _tmpo" to captures the output of the
command.)
With this patch, the _tmpi argument is no longer appended to the command line.
This allows system_pipe to work with pure filters, such as the "tr" commands,
but it will no longer work with commands that require an input file name.
(It is possible to use write_file instead...)
TODO: it would also be fairly easy to eliminate the creation of the _tmpi and
_tmpo files altogether.
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square brackets
Add proper type checking of course-of-values tables:
+ Make sure that all subterms have the same type.
+ Resolve overloaded operators.
Note though that the GF book states in C.4.12 that the "course-of-values
table [...] format is not recommended for GF source code, since the
ordering of parameter values is not specified and therefore a
compiler-internal decision."
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between ordinary tokens. It is also used in the English RGL to attach the commas to the previous word.
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The CF parser in GF.Grammar.CF assigns function names to the rules, but they
are not always unique, causing rules to be dropped in the follwing CF->GF
conversion. So a pass has been added before the CF->GF conversion, to make
sure that function names are unique.
A comment says "rules have an amazingly easy parser", but the parser looks
like quick hack. It is very sloppy and silently ignores many errors, e.g.
- Explicitly given function names should end with '.', but if the do not, the
last character in the function name is silently dropped.
- Everything following a ';' is silently dropped.
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Trailing spaces caused the command line parse to be ambiguous, and
ambiguous parses were rejected by function readCommandLine, causing
the cryptic error message "command not parsed".
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loading. The parser still seems to be 8 times slower than before I introduced the BIND. At least the Android UI now feels a lot more comfortable
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addition now there is 'Release (mingw)' for Windows.
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header for alloca
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The only use of PGF.Tree outside the PGF library was in GF.Command.Commands,
and it was eliminated by using PGF.Expr directly instead.
PGF.Paraphrase still uses PGF.Tree.
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This module should not be part of the public PGF library API, and it was only
used in GF.CompileToAPI, so the code was moved there. The module defined
constFuncs and syntaxFuncs, but only syntaxFuncs was used.
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later is now retrained. Once the grammar is compiled with the .probs file now it doesn't need anything more to do robust parsing. The robustness itself is controlled by the flags 'heuristic_search_factor', 'meta_prob' and 'meta_token_prob' in ParseEngAbs.gf
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accident in previous patch)
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'l' requires type checking and trees with metavariable function heads don't type check. This will hopefully be a temporary command.
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+ References to modules under src/compiler have been eliminated from the PGF
library (under src/runtime/haskell). Only two functions had to be moved (from
GF.Data.Utilities to PGF.Utilities) to make this possible, other apparent
dependencies turned out to be vacuous.
+ In gf.cabal, the GF executable no longer directly depends on the PGF library
source directory, but only on the exposed library modules. This means that
there is less duplication in gf.cabal and that the 30 modules in the
PGF library will no longer be compiled twice while building GF.
To make this possible, additional PGF library modules have been exposed, even
though they should probably be considered for internal use only. They could
be collected in a PGF.Internal module, or marked as "unstable", to make
this explicit.
+ Also, by using the -fwarn-unused-imports flag, ~220 redundant imports were
found and removed, reducing the total number of imports by ~15%.
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yet but HOAS is implemented. The API is accessible from Python as well
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order to test it properly
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Haskell
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comments instead of leaving the changes uncommitted
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