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Add Dhall.Import.loadWithContext #215

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Jan 20, 2018
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Add Dhall.Import.loadWithContext #215

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12 changes: 11 additions & 1 deletion src/Dhall/Import.hs
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Original file line number Diff line number Diff line change
Expand Up @@ -104,6 +104,7 @@ module Dhall.Import (
exprFromPath
, load
, loadWith
, loadWithContext
, hashExpression
, hashExpressionToCode
, Cycle(..)
Expand Down Expand Up @@ -774,6 +775,15 @@ loadWith
-> m (Expr Src X)
loadWith from_path ctx = evalStatus (loadStaticWith from_path ctx)

-- | Resolve all imports within an expression using a custom typing context.
--
-- @load = loadWithContext Dhall.Context.empty@
loadWithContext
:: Dhall.Context.Context (Expr Src X)
-> Expr Src Path
-> IO (Expr Src X)
loadWithContext ctx = evalStatus (loadStaticIO ctx)

loadStaticWith
:: MonadCatch m
=> (Path -> StateT Status m (Expr Src Path))
Expand Down Expand Up @@ -849,7 +859,7 @@ evalStatus cb expr = State.evalStateT (fmap join (traverse cb expr)) emptyStatus

-- | Resolve all imports within an expression
load :: Expr Src Path -> IO (Expr Src X)
load = evalStatus (loadStaticIO Dhall.Context.empty)
load = loadWithContext Dhall.Context.empty

-- | Hash a fully resolved expression
hashExpression :: Expr s X -> Data.ByteString.ByteString
Expand Down