Safe Haskell	None
Language	Haskell98

CabalLenses.CondVars

Synopsis

Documentation

data CondVars Source

The variables that are used to resolve the conditionals inside of the cabal file. Holds the enable state of the cabal flags, the used OS, ARCH, CompilerFlavor and compiler version.

Constructors

CondVars

Fields

flags :: FlagMap: the enable state of the flags, initialized with the default flag values in the cabal file
os :: OS: the used OS, by default the one cabal was build on
arch :: Arch: the used ARCH, by default the one cabal was build on
compilerFlavor :: CompilerFlavor: the used CompilerFlavor, by default the one cabal was build on
compilerVersion :: Maybe Version: the user specified compiler version

Instances

Show CondVars

fromDefaults :: GenericPackageDescription -> CondVars Source

Create a CondVars from the default flags of the cabal package description. The os, arch and compilerFlavor fields are initialized by the ones the cabal library was build on.

enableFlag :: FlagName -> CondVars -> CondVars Source

Enable the given flag in CondVars.

disableFlag :: FlagName -> CondVars -> CondVars Source

Disable the given flag in CondVars.

eval :: CondVars -> Condition ConfVar -> Bool Source

Evaluate the Condition using the CondVars.