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* The gf command line options -preproc=mkPresent and -preproc=mkMinimal now refer to internal preprocessors equivalent to lib/src/mkPresent and lib/src/mkMinimal. * The temporary file _gf_preproc.tmp is not created when running an internal preprocessor, unless there is an error, since errors messages refer to locations in the preprocessed file. (Possibly allowing the rgl build to be parallelized.) * After running an external preprocessor, the temporary file is deleted, unless there was an error. * (Bug fix) Before, when running more than one preprocessor, the same file name would be used for both input and output, e.g., mkPresent _gf_preproc.tmp > _gf_preproc.tmp which would result in an empty file being processed. Now, the input and output files will always be different.
DESCRIPTION
The Grammatical Framework (=GF) is a grammar formalism based on type theory.
It consists of
* a special-purpose programming language
* a compiler of the language
* a generic grammar processor
The compiler reads GF grammars from user-provided files, and the
generic grammar processor performs various tasks with the grammars:
* generation
* parsing
* translation
* type checking
* computation
* paraphrasing
* random generation
* syntax editing
GF particularly addresses four aspects of grammars:
* multilinguality (parallel grammars for different languages)
* semantics (semantic conditions of well-formedness, semantic
properties of expressions)
* grammar engineering (modularity, abstractions, libraries)
* embeddability in programs written in other languages (C,C++,
Haskell, Java, JavaScript)
COMPILATION and INSTALLATION of source distribution:
See doc/gf-developers.html for installation instructions.