Removed giant comment and add help message function to GF.Devel.GFC.Options.

src/GF/Devel/GFC/Options.hs

@@ -7,125 +7,29 @@ import System.FilePath
 
 
 
-{-
-
-Usage: gfc [OPTIONS] [FILE [...]]
-
-How each FILE is handled depends on the file name suffix:
-
-.gf Normal or old GF source, will be compiled.
-.gfc Compiled GF source, will be loaded as is.
-.gfe Example-based GF source, will be converted to .gf and compiled.
-.ebnf Extended BNF format, will be converted to .gf and compiled.
-.cf Context-free (BNF) format, will be converted to .gf and compiled.
-
-If multiple FILES are given, they must be normal GF source, .gfc or .gfe files.
-For the other input formats, only one file can be given.
 
 
-== Compilation mode ==
+usageHeader :: String
-
+usageHeader = unlines 
--E
+ ["Usage: gfc [OPTIONS] [FILE [...]]",
-Stop after preprocessing (with --preproc).
+  "",
-
+  "How each FILE is handled depends on the file name suffix:",
--C 
+  "",
-Stop after converting to .gf (for .gfe, .ebnf and .cf).
+  ".gf Normal or old GF source, will be compiled.",
-
+  ".gfc Compiled GF source, will be loaded as is.",
--c
+  ".gfe Example-based GF source, will be converted to .gf and compiled.",
-Stop after generating .gfc (do not link).
+  ".ebnf Extended BNF format, will be converted to .gf and compiled.",
+  ".cf Context-free (BNF) format, will be converted to .gf and compiled.",
+  "",
+  "If multiple FILES are given, they must be normal GF source, .gfc or .gfe files.",
+  "For the other input formats, only one file can be given.",
+  "",
+  "Command-line options:"]
 
 
-== Help and verbosity options ==
+helpMessage :: String
+helpMessage = usageInfo usageHeader optDescr
 
--V, --version
-Display GF version
-
--v N
-Set verbosity
--q 
-Same as -v 0
--v
-Same as -v 3
-
--?, -h, --help
-Show help message
-
---cpu
-Show compilation CPU time statistics
-
-
-== GFC file handling ==
-
---gfc-dir=DIR
-Directory to put .gfc files in.
-
---no-emit-gfc
-Do not create .gfc files.
-
---emit-gfc
-Create .gfc files (default)
-
-
-== Output options ==
-
--f, --output-format=FORMAT
-Output format. FORMAT can be one of:
-Multiple concrete: gfcc (default), gar, js, ...
-Single concrete only: cf, bnf, lbnf, gsl, srgs_xml, srgs_abnf, ...
-Abstract only: haskell, ...
-
--o FILE
-Save output in FILE. Default is out.X, where X depends on the value of -f.
-
-
-== Finding libaries ==
-
--i DIR
-Add DIR to the library search path.
-
---path=DIR:DIR:...
-Set the library search path.
-
---package=PACKAGE
-Get libraries from PACKAGE. FIXME: not sure about how this should work.
-
-
-== Recompilation checking ==
-
---src, --force-recomp
-Always recompile from source, i.e. disable recompilation checking.
-
-
-== Preprocessing ==
-
---preproc=COMMAND
-Use COMMAND to preprocess input files.
-
-
-== Optimization ==
-
--O OPTIMIZATION
-Perform the named optimization. 
-Available optimizations: share, parametrize, values, all, none, subs
-The default is share for concrete, none for resource modules.
-Several -O flags can be given.
-
-
-== Probabilistic grammars ==
-
---prob
-Read probabilities from "--# prob" pragmas.
-
-
-== Grammar flags ==
-
---startcat=CAT
-Use CAT at the start category in the generated grammar.
-
---language=LANG
-Set the speech language flag to LANG in the generated grammar.
-
--}
 
 type ErrorMsg = String