Alga.Language.Environment

Documentation

data AlgaEnv m a

Monad that implements ALGA environment.

Instances

Monad m => Monad (AlgaEnv m)

Functor m => Functor (AlgaEnv m)

Monad m => Applicative (AlgaEnv m)

MonadThrow m => MonadThrow (AlgaEnv m)

MonadCatch m => MonadCatch (AlgaEnv m)

MonadMask m => MonadMask (AlgaEnv m)

MonadIO m => MonadIO (AlgaEnv m)

MonadException m => MonadException (AlgaEnv m)

Monad m => HasEnv (AlgaEnv m)

class Monad m => HasEnv m where

Type class for things that can be considered MIDA environment.

Methods

getDefs :: m Defs

Get collection of all definitions.

setDefs :: Defs -> m ()

Update definitions with given ones.

setRandGen :: Natural -> m ()

Set random generator seed.

newRandGen :: m TFGen

Split current random generator, update it, and return new one.

Instances

Monad m => HasEnv (AlgaEnv m)

HasEnv m => HasEnv (ReaderT e m)

HasEnv m => HasEnv (StateT e m)

runAlgaEnv :: Monad m => AlgaEnv m a -> m a

Run state monad with ALGA environment.

addDef

Arguments

:: HasEnv m

=> String

Reference name

-> SyntaxTree

AST of its principle

-> m ()

Add a new definition to the environment.

remDef

Arguments

:: HasEnv m

=> String

Reference name

-> m ()

Remove definition given its name.

clearDefs :: HasEnv m => m ()

Remove all definitions, restoring default state of environment.

getPrin

Arguments

:: HasEnv m

=> String

Reference name

-> m SyntaxTree

Syntax tree

Get principle corresponding to given variable name.

getSrc

Arguments

:: HasEnv m

=> String

Reference name

-> m Text

Textual representation of source code

Get source code of definition given its name.

fullSrc :: HasEnv m => m Text

Reconstruct source code for all existing definitions.

getRefs :: HasEnv m => m [String]

Get all reference names defined at the moment.

purgeEnv

Arguments

:: HasEnv m

=> [String]

Top-level definitions

-> m ()

Purge environment removing definitions that are not used in construction of “top-level” definitions.

checkRecur

Arguments

:: HasEnv m

=> String

Reference name

-> SyntaxTree

Its syntax tree

-> m Bool

Check if definition with given name is depends on itself.