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-rw-r--r--src/Network.hs4
-rw-r--r--src/Parser.hs3
-rw-r--r--src/Run.hs6
-rw-r--r--src/Run/Monad.hs6
-rw-r--r--src/Test.hs23
5 files changed, 26 insertions, 16 deletions
diff --git a/src/Network.hs b/src/Network.hs
index aa06952..c841acb 100644
--- a/src/Network.hs
+++ b/src/Network.hs
@@ -5,6 +5,7 @@ module Network (
NodeName(..), textNodeName, unpackNodeName,
nextNodeName,
+ rootNetworkVar,
newInternet, delInternet,
newSubnet,
newNode,
@@ -112,6 +113,9 @@ instance ExprType Node where
]
+rootNetworkVar :: TypedVarName Network
+rootNetworkVar = TypedVarName (VarName "$ROOT_NET")
+
nextPrefix :: IpPrefix -> [Word8] -> Word8
nextPrefix _ used = maximum (0 : used) + 1
diff --git a/src/Parser.hs b/src/Parser.hs
index 4b1e69a..ab44833 100644
--- a/src/Parser.hs
+++ b/src/Parser.hs
@@ -22,6 +22,7 @@ import System.Directory
import System.Exit
import System.FilePath
+import Network
import Parser.Core
import Parser.Expr
import Parser.Statement
@@ -83,7 +84,7 @@ parseTestFile path = do
{ testVars = concat
[ map (fmap someVarValueType) builtins
]
- , testContext = SomeExpr RootNetwork
+ , testContext = SomeExpr $ varExpr SourceLineBuiltin rootNetworkVar
, testNextTypeVar = 0
, testTypeUnif = M.empty
}
diff --git a/src/Run.hs b/src/Run.hs
index fd02af3..54fdba6 100644
--- a/src/Run.hs
+++ b/src/Run.hs
@@ -59,8 +59,7 @@ runTest out opts test variables = do
, teGDB = fst <$> mgdb
}
tstate = TestState
- { tsNetwork = error "network not initialized"
- , tsVars = builtins
+ { tsVars = builtins
, tsNodePacketLoss = M.empty
, tsDisconnectedUp = S.empty
, tsDisconnectedBridge = S.empty
@@ -184,7 +183,8 @@ withInternet inner = do
testDir <- asks $ optTestDir . teOptions . fst
inet <- newInternet testDir
res <- withNetwork (inetRoot inet) $ \net -> do
- local (fmap $ \s -> s { tsNetwork = net }) $ inner net
+ withTypedVar rootNetworkVar net $ do
+ inner net
delInternet inet
return res
diff --git a/src/Run/Monad.hs b/src/Run/Monad.hs
index 512dd72..2882197 100644
--- a/src/Run/Monad.hs
+++ b/src/Run/Monad.hs
@@ -21,7 +21,6 @@ import Data.Scientific
import qualified Data.Text as T
import {-# SOURCE #-} GDB
-import {-# SOURCE #-} Network
import Network.Ip
import Output
import {-# SOURCE #-} Process
@@ -39,8 +38,7 @@ data TestEnv = TestEnv
}
data TestState = TestState
- { tsNetwork :: Network
- , tsVars :: [(VarName, SomeVarValue)]
+ { tsVars :: [(VarName, SomeVarValue)]
, tsDisconnectedUp :: Set NetworkNamespace
, tsDisconnectedBridge :: Set NetworkNamespace
, tsNodePacketLoss :: Map NetworkNamespace Scientific
@@ -94,8 +92,6 @@ instance MonadError Failed TestRun where
instance MonadEval TestRun where
lookupVar name = maybe (fail $ "variable not in scope: '" ++ unpackVarName name ++ "'") return =<< asks (lookup name . tsVars . snd)
- rootNetwork = asks $ tsNetwork . snd
-
withVar name value = local (fmap $ \s -> s { tsVars = ( name, someConstValue value ) : tsVars s })
instance MonadOutput TestRun where
diff --git a/src/Test.hs b/src/Test.hs
index d0f1e45..effd00a 100644
--- a/src/Test.hs
+++ b/src/Test.hs
@@ -6,7 +6,7 @@ module Test (
SourceLine(..), textSourceLine,
MonadEval(..),
- VarName(..), TypedVarName(..), textVarName, unpackVarName,
+ VarName(..), TypedVarName(..), textVarName, unpackVarName, withTypedVar,
ExprType(..), SomeExpr(..),
TypeVar(..), SomeExprType(..), someExprType, textSomeExprType,
FunctionType, DynamicType,
@@ -19,7 +19,7 @@ module Test (
RecordSelector(..),
ExprListUnpacker(..),
ExprEnumerator(..),
- Expr(..), eval, evalSome,
+ Expr(..), varExpr, eval, evalSome,
EvalTrace, VarNameSelectors, gatherVars,
AppAnnotation(..),
@@ -90,7 +90,6 @@ textSourceLine SourceLineBuiltin = "<builtin>"
class MonadFail m => MonadEval m where
lookupVar :: VarName -> m SomeVarValue
- rootNetwork :: m Network
withVar :: ExprType e => VarName -> e -> m a -> m a
@@ -106,6 +105,14 @@ textVarName (VarName name ) = name
unpackVarName :: VarName -> String
unpackVarName = T.unpack . textVarName
+isInternalVar :: VarName -> Bool
+isInternalVar (VarName name)
+ | Just ( '$', _ ) <- T.uncons name = True
+ | otherwise = False
+
+withTypedVar :: (MonadEval m, ExprType e) => TypedVarName e -> e -> m a -> m a
+withTypedVar (TypedVarName name) = withVar name
+
class Typeable a => ExprType a where
textExprType :: proxy a -> Text
@@ -253,7 +260,6 @@ data Expr a where
App :: AppAnnotation b -> Expr (a -> b) -> Expr a -> Expr b
Concat :: [Expr Text] -> Expr Text
Regex :: [Expr Regex] -> Expr Regex
- RootNetwork :: Expr Network
Undefined :: String -> Expr a
data AppAnnotation b = AnnNone
@@ -272,6 +278,9 @@ instance Semigroup a => Semigroup (Expr a) where
instance Monoid a => Monoid (Expr a) where
mempty = Pure mempty
+varExpr :: ExprType a => SourceLine -> TypedVarName a -> Expr a
+varExpr sline (TypedVarName name) = Variable sline name
+
eval :: forall m a. MonadEval m => Expr a -> m a
eval = \case
Variable sline name -> fromSomeVarValue sline name =<< lookupVar name
@@ -292,7 +301,6 @@ eval = \case
parts -> case regexCompile $ T.concat $ map regexSource parts of
Left err -> fail err
Right re -> return re
- RootNetwork -> rootNetwork
Undefined err -> fail err
evalSome :: MonadEval m => SomeExpr -> m SomeVarValue
@@ -309,7 +317,9 @@ gatherVars = fmap (uniqOn fst . sortOn fst) . helper
where
helper :: forall b. Expr b -> m EvalTrace
helper = \case
- Variable _ var -> (: []) . (( var, [] ), ) <$> lookupVar var
+ Variable _ var
+ | isInternalVar var -> return []
+ | otherwise -> (: []) . (( var, [] ), ) <$> lookupVar var
DynVariable _ _ var -> (: []) . (( var, [] ), ) <$> lookupVar var
FunVariable _ _ var -> (: []) . (( var, [] ), ) <$> lookupVar var
ArgsApp (FunctionArguments args) fun -> do
@@ -328,7 +338,6 @@ gatherVars = fmap (uniqOn fst . sortOn fst) . helper
App _ f x -> (++) <$> helper f <*> helper x
Concat es -> concat <$> mapM helper es
Regex es -> concat <$> mapM helper es
- RootNetwork -> return []
Undefined {} -> return []
gatherSelectors :: forall b. Expr b -> Maybe (VarName, [Text])