238 lines
12 KiB
Haskell
238 lines
12 KiB
Haskell
{-
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Tock: a compiler for parallel languages
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Copyright (C) 2007 University of Kent
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 2 of the License, or (at your
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option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program. If not, see <http://www.gnu.org/licenses/>.
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-}
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module PassTest (tests) where
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import Test.HUnit hiding (State)
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import Control.Monad.State as CSM
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import qualified Data.Map as Map
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import qualified AST as A
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import TestUtil
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import Pattern
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import TreeUtil
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import CompState
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import Control.Monad.Error (runErrorT)
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import Control.Monad.Identity
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import Types
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import Pass
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import Data.Generics
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import Utils
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import SimplifyExprs
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valof0 :: A.Structured
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valof0 = A.OnlyEL m $ A.ExpressionList m [intLiteral 0]
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valofTwo :: String -> String -> A.Structured
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valofTwo a b = A.OnlyEL m $ A.ExpressionList m [exprVariable a,exprVariable b]
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assertGetItemCast :: Typeable t => String -> Items -> IO t
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assertGetItemCast k kv
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= case (Map.lookup k kv) of
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Nothing -> (assertFailure "Internal error; expected item not present") >> return (undefined)
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Just (ADI v) -> case (cast v) of
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Just v' -> return v'
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Nothing -> (assertFailure $ "Wrong type when casting in assertGetItemCast for key: " ++ k) >> return (undefined)
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-- Given a body, returns a function spec:
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singleParamFunc :: A.Structured-> A.Specification
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singleParamFunc body = A.Specification m (simpleName "foo") (A.Function m A.PlainSpec [A.Int] [A.Formal A.ValAbbrev A.Byte (simpleName "param0")] body)
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-- Returns the expected body of the single parameter process (when the function had valof0 as a body)
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singleParamBodyExp :: Pattern --to match: A.Process
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singleParamBodyExp = tag2 A.Seq DontCare $
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tag2 A.OnlyP DontCare $
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tag3 A.Assign DontCare [tag2 A.Variable DontCare (Named "ret0" DontCare)] $ tag2 A.ExpressionList DontCare [intLiteral 0]
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-- Returns the expected specification type of the single parameter process
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singleParamSpecExp :: Pattern -> Pattern --to match: A.SpecType
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singleParamSpecExp body = tag4 A.Proc DontCare A.PlainSpec [tag3 A.Formal A.ValAbbrev A.Byte (simpleName "param0"), tag3 A.Formal A.Abbrev A.Int (Named "ret0" DontCare)] body
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-- | Tests a function with a single return, and a single parameter.
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testFunctionsToProcs0 :: Test
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testFunctionsToProcs0 = testPassWithItemsStateCheck "testFunctionsToProcs0" exp (functionsToProcs orig) (return ()) check
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where
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orig = singleParamFunc valof0
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exp = tag3 A.Specification DontCare (simpleName "foo") procSpec
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procSpec = singleParamSpecExp singleParamBodyExp
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--check return parameters were defined:
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check (items,state) = do ret0 <- ((assertGetItemCast "ret0" items) :: IO A.Name)
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assertVarDef "testFunctionsToProcs0" state (A.nameName ret0) $
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tag7 A.NameDef DontCare (A.nameName ret0) (A.nameName ret0) A.VariableName (A.Declaration m A.Int) A.Abbrev A.Unplaced
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--check proc was defined:
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assertVarDef "testFunctionsToProcs0" state "foo" $
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tag7 A.NameDef DontCare ("foo") ("foo") A.ProcName procSpec A.Original A.Unplaced
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--check csFunctionReturns was changed:
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assertEqual "testFunctionsToProcs0" (Just [A.Int]) (Map.lookup "foo" (csFunctionReturns state))
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-- | Tests a function with multiple returns, and multiple parameters.
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testFunctionsToProcs1 :: Test
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testFunctionsToProcs1 = testPassWithItemsStateCheck "testFunctionsToProcs1 A" exp (functionsToProcs orig) (return ()) check
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where
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orig = A.Specification m (simpleName "foo") (A.Function m A.PlainSpec [A.Int,A.Real32]
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[A.Formal A.ValAbbrev A.Byte (simpleName "param0"),A.Formal A.Abbrev A.Real32 (simpleName "param1")] (valofTwo "param0" "param1"))
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exp = tag3 A.Specification DontCare (simpleName "foo") procBody
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procBody = tag4 A.Proc DontCare A.PlainSpec [tag3 A.Formal A.ValAbbrev A.Byte (simpleName "param0"),
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tag3 A.Formal A.Abbrev A.Real32 (simpleName "param1"),
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tag3 A.Formal A.Abbrev A.Int (Named "ret0" DontCare),
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tag3 A.Formal A.Abbrev A.Real32 (Named "ret1" DontCare)] $
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tag2 A.Seq DontCare $
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tag2 A.OnlyP DontCare $
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tag3 A.Assign DontCare [tag2 A.Variable DontCare (Named "ret0" DontCare),tag2 A.Variable DontCare (Named "ret1" DontCare)] $
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tag2 A.ExpressionList DontCare [exprVariable "param0",exprVariable "param1"]
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--check return parameters were defined:
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check (items,state) = do ret0 <- ((assertGetItemCast "ret0" items) :: IO A.Name)
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ret1 <- ((assertGetItemCast "ret1" items) :: IO A.Name)
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assertVarDef "testFunctionsToProcs1 B" state (A.nameName ret0) $
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tag7 A.NameDef DontCare (A.nameName ret0) (A.nameName ret0) A.VariableName (A.Declaration m A.Int) A.Abbrev A.Unplaced
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assertVarDef "testFunctionsToProcs1 C" state (A.nameName ret1) $
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tag7 A.NameDef DontCare (A.nameName ret1) (A.nameName ret1) A.VariableName (A.Declaration m A.Real32) A.Abbrev A.Unplaced
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--check proc was defined:
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assertVarDef "testFunctionsToProcs1 D" state "foo" $
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tag7 A.NameDef DontCare ("foo") ("foo") A.ProcName procBody A.Original A.Unplaced
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--check csFunctionReturns was changed:
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assertEqual "testFunctionsToProcs1 E" (Just [A.Int,A.Real32]) (Map.lookup "foo" (csFunctionReturns state))
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-- | Tests a function that contains a function.
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-- Currently I have chosen to put DontCare for the body of the function as stored in the NameDef.
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-- This behaviour is not too important, and may change at a later date.
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testFunctionsToProcs2 :: Test
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testFunctionsToProcs2 = testPassWithItemsStateCheck "testFunctionsToProcs2 A" exp (functionsToProcs orig) (return ()) check
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where
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orig = A.Specification m (simpleName "fooOuter") (A.Function m A.PlainSpec [A.Int] [A.Formal A.ValAbbrev A.Byte (simpleName "paramOuter0")] $
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A.Spec m (singleParamFunc valof0) valof0)
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exp = tag3 A.Specification DontCare (simpleName "fooOuter") procBodyOuter
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procHeader body = tag4 A.Proc DontCare A.PlainSpec [tag3 A.Formal A.ValAbbrev A.Byte (simpleName "paramOuter0"), tag3 A.Formal A.Abbrev A.Int (Named "retOuter0" DontCare)] body
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procBodyOuter = procHeader $
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tag2 A.Seq DontCare $
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tag3 A.Spec DontCare (tag3 A.Specification DontCare (simpleName "foo") (singleParamSpecExp singleParamBodyExp)) $
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tag2 A.OnlyP DontCare $
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tag3 A.Assign DontCare [tag2 A.Variable DontCare (Named "retOuter0" DontCare)] $ tag2 A.ExpressionList DontCare [intLiteral 0]
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--check return parameters were defined:
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check (items,state) = do retOuter0 <- ((assertGetItemCast "retOuter0" items) :: IO A.Name)
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ret0 <- ((assertGetItemCast "ret0" items) :: IO A.Name)
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assertVarDef "testFunctionsToProcs2 B" state (A.nameName ret0) $
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tag7 A.NameDef DontCare (A.nameName ret0) (A.nameName ret0) A.VariableName (A.Declaration m A.Int) A.Abbrev A.Unplaced
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assertVarDef "testFunctionsToProcs2 C" state (A.nameName retOuter0) $
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tag7 A.NameDef DontCare (A.nameName retOuter0) (A.nameName retOuter0) A.VariableName (A.Declaration m A.Int) A.Abbrev A.Unplaced
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--check proc was defined:
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assertVarDef "testFunctionsToProcs2 D" state "foo" $
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tag7 A.NameDef DontCare ("foo") ("foo") A.ProcName (singleParamSpecExp DontCare) A.Original A.Unplaced
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assertVarDef "testFunctionsToProcs2 E" state "fooOuter" $
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tag7 A.NameDef DontCare ("fooOuter") ("fooOuter") A.ProcName (procHeader DontCare) A.Original A.Unplaced
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--check csFunctionReturns was changed:
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assertEqual "testFunctionsToProcs2 F" (Just [A.Int]) (Map.lookup "foo" (csFunctionReturns state))
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assertEqual "testFunctionsToProcs2 G" (Just [A.Int]) (Map.lookup "fooOuter" (csFunctionReturns state))
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--Not strictly a pass test but it can live here for now:
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testIsSafeConversion :: Test
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testIsSafeConversion = TestList $ map runTestRow resultsWithIndexes
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where
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resultsWithIndexes :: [(Int,[(Int,Bool)])]
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resultsWithIndexes = zip [0..] $ map (zip [0..]) results
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runTestRow :: (Int,[(Int,Bool)]) -> Test
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runTestRow (a,b) = TestList $ map (runTest a) b
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where
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runTest :: Int -> (Int,Bool) -> Test
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runTest destIndex (srcIndex,result) = TestCase $ assertEqual
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("Testing from type: " ++ (show $ index srcIndex) ++ " to: " ++ (show $ index destIndex))
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result $ isSafeConversion (index srcIndex) (index destIndex)
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--Integer types are:
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--A.Bool
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--A.Byte
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--A.UInt16
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--A.UInt32
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--A.UInt64
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--A.Int8
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--A.Int
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--A.Int16
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--A.Int32
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--A.Int64
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--We will assume (like the rest of Tock) that Int is 32-bits for testing. We can actually perform an exhaustive test without too much trouble:
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index :: Int -> A.Type
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index 0 = A.Bool
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index 1 = A.Byte
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index 2 = A.UInt16
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index 3 = A.UInt32
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index 4 = A.UInt64
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index 5 = A.Int8
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index 6 = A.Int16
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index 7 = A.Int
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index 8 = A.Int32
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index 9 = A.Int64
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t = True
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f = False
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results :: [[Bool]]
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--Each row is a conversion to that type. For example, the first row is conversions *to* Bool:
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results =
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[ [t, f,f,f,f, f,f,f,f,f] --to Bool
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,[t, t,f,f,f, f,f,f,f,f] --to Byte
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,[t, t,t,f,f, f,f,f,f,f] --to UInt16
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,[t, t,t,t,f, f,f,f,f,f] --to UInt32
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,[t, t,t,t,t, f,f,f,f,f] --to UInt64
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,[t, f,f,f,f, t,f,f,f,f] --to Int8
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,[t, t,f,f,f, t,t,f,f,f] --to Int16
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,[t, t,t,f,f, t,t,t,t,f] --to Int
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,[t, t,t,f,f, t,t,t,t,f] --to Int32
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,[t, t,t,t,f, t,t,t,t,t] --to Int64
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]
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skipP :: A.Structured
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skipP = A.OnlyP m (A.Skip m)
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-- | Tests that a simple constructor (with no expression, nor function call) gets converted into the appropriate initialisation code
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testTransformConstr0 :: Test
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testTransformConstr0 = testPass "transformConstr0" exp (transformConstr orig) (return ())
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where
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orig = A.Spec m (A.Specification m (simpleName "arr") $ A.IsExpr m A.ValAbbrev (A.Array [A.Dimension 10] A.Int) $ A.ExprConstr m $
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A.RepConstr m (A.For m (simpleName "x") (intLiteral 0) (intLiteral 10)) (exprVariable "x")
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) skipP
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exp = nameAndStopCaringPattern "indexVar" "i" $ mkPattern exp'
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exp' = A.Spec m (A.Specification m (simpleName "arr") (A.Declaration m (A.Array [A.Dimension 10] A.Int))) $
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A.ProcThen m
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(A.Seq m $ A.Spec m (A.Specification m (simpleName "i") (A.Declaration m A.Int)) $
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A.Several m [A.OnlyP m $ A.Assign m [variable "i"] $ A.ExpressionList m [intLiteral 0],
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A.Rep m (A.For m (simpleName "x") (intLiteral 0) (intLiteral 10)) $ A.OnlyP m $ A.Seq m $ A.Several m
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[A.OnlyP m $ A.Assign m [A.SubscriptedVariable m (A.Subscript m $ exprVariable "i") (variable "arr")] $ A.ExpressionList m [exprVariable "x"],
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A.OnlyP m $ A.Assign m [variable "i"] $ A.ExpressionList m [A.Dyadic m A.Plus (exprVariable "i") (intLiteral 1)]]
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]
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)
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skipP
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--Returns the list of tests:
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tests :: Test
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tests = TestList
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[
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testFunctionsToProcs0
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,testFunctionsToProcs1
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,testFunctionsToProcs2
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,testIsSafeConversion
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,testTransformConstr0
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]
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