Futhark.CodeGen.Backends.GenericPython.Options

This module defines a generator for getopt based command line argument parsing. Each option is associated with arbitrary Python code that will perform side effects, usually by setting some global variables.

Documentation

data Option

Specification if a single command line option. The option must have a long name, and may also have a short name.

When the statement is being executed, the argument (if any) will be stored in the variable optarg.

Constructors

Option

Fields

• optionLongName :: String
• optionShortName :: Maybe Char
• optionArgument :: OptionArgument
• optionAction :: [PyStmt]

data OptionArgument

Whether an option accepts an argument.

Constructors

NoArgument

RequiredArgument String

OptionalArgument

generateOptionParser :: [Option] -> [PyStmt]

Generate option parsing code that accepts the given command line options. Will read from sys.argv.

If option parsing fails for any reason, the entire process will terminate with error code 1.