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Android development instructions
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that now we can compute with lambda functions and with true tail recursion
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library
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This is to avoid a (harmless) error message from darcs when compiling sources
obtained e.g. from github.
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loading grammars compiled with -split-pgf
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This gives faster but slightly lower quality translations.
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(1) introduces the module GF.Infra.Concurreny with lifted concurrency
operators (to reduce uses of liftIO) and some additional concurrency
utilities, e.g. a function for sequential logging that is used in
both GF.CompileInParallel and GFServer.
(2) avoids leaving broken .gfo files behind if compilation is aborted.
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* httpd-shed-0.4 does not specify an upper bound on network, but it fails
to build against network>=2.6. This is fixed in httpd-shed-0.4.0.2.
* With network-2.6, the Network.URI modules is moved to a separate package,
so for the time being GF requires network>=2.3 && <2.6. This is compatible
with the four most recent versions of the Haskell Platform.
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* Introducing the module CGI, re-exporting a subset of the cgi package. It
might complete replace the cgi package in the future.
* Introducing the module CGIUtils, containing functions from FastCGIUtils that
have nothing to do with fastcgi.
Some low level hackery with unsafePerformIO and global variables was left
in FastCGIUtils, but it is actually not used, neither for gf -server nor
exec/pgf-fcgi.hs.
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PhrasebookChi
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yet)
This makefile just calls GF once and lets GF figure out in which order to
compile things. It uses the -j flag to enable parallel compilation and
specifies an explicit -path, overriding the -path flags in the source files.
This allows all needed modules to be found automatically and ensures that
that alltenses is consistently used everywhere. But for some reason, this
doesn't work...
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The script bin/build-binary-dist.sh has been updated to build either a plain
.tar.gz package or OS X Installer package (.pkg).
Note that bin/build-binary-dist.sh is designed to build and include the
C run-time system in the binary package. If the C run-time system fails to
build, no binary package will be created.
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incompatible with Cabal<1.20
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On my laptop these changes speed up the full build of the RGL and example
grammars with 'cabal build' from ~95s to ~43s and the zero build from ~18s
to ~5s.
The main change is the introduction of the module GF.CompileInParallel that
replaces GF.Compile and the function GF.Compile.ReadFiles.getAllFiles. At
present, it is activated with the new -j flag, and it is only used when
combined with --make or --batch. In addition, to get parallel computations,
you need to add GHC run-time flags, e.g., +RTS -N -A20M -RTS, to the command
line.
The Setup.hs script has been modified to pass the appropriate flags to GF
for parallel compilation when compiling the RGL and example grammars, but you
need a recent version of Cabal for this to work (probably >=1.20).
Some additonal refactoring were made during this work. A new monad is used to
avoid warnings/error messages from different modules to be intertwined when
compiling in parallel, so some functios that were hardiwred to the IO or IOE
monads have been lifted to work in arbitrary monads that are instances in
the appropriate classes.
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to the top level; the resulting rule is the same. This kind of inefficiencies are best found if you compile with the -v option and check for constructors creating unexpectedly many PGF rules.
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To reduce potential server load caused by search bots.
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These flags now do what the say.
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for liftIO in various places
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I prefer small functions with descriptive names over large monilithic chunks
of code, so I grouped the compiler passes called from compileSourceModule
into funcitons named frontend, middle and backend. This also makes decisions
about which passes to run clearly visible up front.
Also made some small changes in GF.Compile.
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In particular, the function compileOne has been moved to the new module
GF.CompileOne and its type has been changed from
compileOne :: ... -> CompileEnv -> FilePath -> IOE CompileEnv
to
compileOne :: ... -> SourceGrammar -> FilePath -> IOE OneCompiledModule
making it more suitable for use in a parallel compiler.
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The RGL is now compile with only three calls to GF (prelude, present,
alltenses). This also makes even more parallelism available to GF for speeding
up full builds of the RGL.
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It has been unused since the refresh pass was removed.
This eliminates one obstacle to parallel module compilation.
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The def rules are now compiled to byte code by the compiler and then to
native code by the JIT compiler in the runtime. Not all constructions
are implemented yet. The partial implementation is now in the repository
but it is not activated by default since this requires changes in the
PGF format. I will enable it only after it is complete.
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This speedup is obtained by instead of generating 211 shell commands to compile the RGL one file at a time, generate 7 shell commands, passing a number of
related files to GF in one go.
In addition to cutting down the zero build time, this opens up for speeding up
full builds of the RGL, by adding more parallelism in GF's grammar compilation
machinery.
(Note: gf.cabal already takes advantage of GHC's parallel build option to
speed up the compilation of GF itself, if GHC>=7.8 is used.)
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All compiler modules now use GF.Text.Pretty instead of Text.PrettyPrint
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GF.Infra.Location for modularity
GF.Text.Pretty provides the class Pretty and overloaded versions of the pretty
printing combinators in Text.PrettyPrint, allowing pretty printable values to
be used directly instead of first having to convert them to Doc with functions
like text, int, char and ppIdent. Some modules have been converted to use
GF.Text.Pretty, but not all. Precedences could be added to simplify the pretty
printers for terms and patterns.
GF.Infra.Location contains the types Location and L, factored out from
GF.Grammar.Grammar, and the class HasSourcePath. This allowed the import
of GF.Grammar.Grammar to be removed from GF.Infra.CheckM, making it more
like a pure library module.
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Detected when building today:
Building gf-3.6...
Preprocessing library gf-3.6...
src/runtime/haskell/PGF/Internal.hs:17:8:
Could not find module ‘Data.Binary.IEEE754’
It is a member of the hidden package ‘data-binary-ieee754-0.4.4’.
Perhaps you need to add ‘data-binary-ieee754’ to the build-depends in your .cabal file.
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...to keep memory use down on the server.
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low-quality version and is hence the first Chinese phrasebook version that can claim high quality.
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