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These prevented GF from being built with C run-time support (-fc-runtime).
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Supported options and flags: -lang -format -view
None of the rendering options available in the Haskell run-time are supported.
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But the following options are not supported: -mk -nocats -nofuns
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pg supports only the -funs, -cats and -langs output modes.
ai IDENTIFIER shows info about a category or a function. ai can not type check
and refine metavariables in expressions.
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Options -all and -list use PGF2.linearizeAll, which lists all variants, but
not all forms...
Also, there is no attempt to be compatible with the output from the Haskell
run-rime shell, which produces superfluous blank lines (-all) or
commas (-list), and mixes tagged and untagged lines (-treebank -all).
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+ Generalize the CommandInfo type by parameterizing it on the monad
instead of just the environment.
+ Generalize the commands defined in
GF.Command.{Commands,Commands2,CommonCommands,SourceCommands,HelpCommand}
to work in any monad that supports the needed operations.
+ Liberate GF.Command.Interpreter from the IO monad.
Also, move the current PGF from CommandEnv to GFEnv in
GF.Interactive, making the command interpreter even more generic.
+ Use a state monad to maintain the state of the interpreter in
GF.{Interactive,Interactive2}.
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Created module GF.Command.CommonCommands with ~250 lines of code for commands
that do not depend on the type of PGF in the environemnt, either because they
don't use the PGF or because they are just documented here and implemented
elsewhere.
TODO: further refactoring so that documentation and implementation of
*all* commands can be kept together.
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Some C run-time functionality is now available in the GF shell, by starting
GF with 'gf -cshell' or 'gf -crun'. Only limited functionality is available
when running the shell in these modes:
- You can only import .pgf files, not source files.
- The -retain flag can not be used and the commands that require it to work
are not available.
- Only 18 of the 40 commands available in the usual shell have been
implemented. The 'linearize' and 'parse' commands are the only ones
that call the C run-time system, and they support only a limited set of
options and flags. Use the 'help' commmands for details.
- A new command 'generate_all', that calls PGF2.generateAll, has been added.
Unfortuntaly, using it causes 'segmentation fault'.
This is implemented by adding two new modules: GF.Command.Commands2 and
GF.Interactive2. They are copied and modified versions of GF.Command.Commands
and GF.Interactive, respectively. Code for unimplemented commands and other
code that has not been adapted to the C run-time system has been left in
place, but commented out, pending further work.
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