{- -----------------------------------------------------------------------------
Copyright 2020-2021 Kevin P. Barry

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
----------------------------------------------------------------------------- -}

-- Author: Kevin P. Barry [ta0kira@gmail.com]

module Test.Parser (tests) where

import Control.Monad (when)

import Base.CompilerError
import Base.TrackedErrors
import Parser.Common
import Parser.TextParser
import Test.Common


tests :: [IO (TrackedErrors ())]
tests :: [IO (TrackedErrors ())]
tests = [
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\'" Char
'\'',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\\"" Char
'"',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\?" Char
'?',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\\\" Char
'\\',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\a" Char
'\a',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\b" Char
'\b',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\f" Char
'\f',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\n" Char
'\n',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\r" Char
'\r',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\t" Char
'\t',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\v" Char
'\v',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\n" Char
'\n',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\x0A" Char
'\n',
    TextParser Char -> String -> Char -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser Char
stringChar String
"\\012" Char
'\n',
    TextParser Char -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser Char
stringChar String
"\"",
    TextParser Char -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser Char
stringChar String
"\\q",
    TextParser Char -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser Char
stringChar String
"\\00",
    TextParser Char -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser Char
stringChar String
"\\x0",

    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser String
regexChar String
"\\\\" String
"\\\\",
    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser String
regexChar String
"\\n" String
"\\n",
    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser String
regexChar String
"\n" String
"\n",
    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser String
regexChar String
"\\\"" String
"\"",
    TextParser String -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser String
regexChar String
"\"",

    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs (String -> TextParser ()
keyword String
"keyword" TextParser () -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) String
"keyword   string" String
"string",
    TextParser String -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail (String -> TextParser ()
keyword String
"keyword" TextParser () -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) String
"keywordstring",
    TextParser String -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail (String -> TextParser ()
keyword String
"keyword" TextParser () -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) String
"keyword_string",
    TextParser (Either String String)
-> String -> Either String String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs
      (((String -> Either String String)
-> TextParser String -> TextParser (Either String String)
forall a b.
(a -> b)
-> ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap String -> Either String String
forall a b. a -> Either a b
Left (TextParser String -> TextParser (Either String String))
-> TextParser String -> TextParser (Either String String)
forall a b. (a -> b) -> a -> b
$ String -> TextParser ()
keyword String
"keyword" TextParser () -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) TextParser (Either String String)
-> TextParser (Either String String)
-> TextParser (Either String String)
forall a.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity a
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> ((String -> Either String String)
-> TextParser String -> TextParser (Either String String)
forall a b.
(a -> b)
-> ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap String -> Either String String
forall a b. b -> Either a b
Right (TextParser String -> TextParser (Either String String))
-> TextParser String -> TextParser (Either String String)
forall a b. (a -> b) -> a -> b
$ TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar))
      String
"keywordstring"
      (String -> Either String String
forall a b. b -> Either a b
Right String
"keywordstring"),

    TextParser String -> String -> String -> IO (TrackedErrors ())
forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs (String -> TextParser String
operator String
">>??!" TextParser String -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
many TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) String
">>??!   !!" String
"!!",
    TextParser String -> String -> IO (TrackedErrors ())
forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail (String -> TextParser String
operator String
">>??!" TextParser String -> TextParser String -> TextParser String
forall a b.
ParsecT CompilerMessage String Identity a
-> ParsecT CompilerMessage String Identity b
-> ParsecT CompilerMessage String Identity b
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> TextParser Char -> TextParser String
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
many TextParser Char
ParsecT CompilerMessage String Identity (Token String)
forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
m (Token s)
asciiChar) String
">>??!!!"
  ]

checkParsesAs :: (Eq a, Show a) => TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs :: forall a.
(Eq a, Show a) =>
TextParser a -> String -> a -> IO (TrackedErrors ())
checkParsesAs TextParser a
p String
s a
m = TrackedErrors () -> IO (TrackedErrors ())
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (TrackedErrors () -> IO (TrackedErrors ()))
-> TrackedErrors () -> IO (TrackedErrors ())
forall a b. (a -> b) -> a -> b
$ do
  let parsed :: TrackedErrors a
parsed = TextParser a -> String -> String -> TrackedErrors a
forall a. TextParser a -> String -> String -> TrackedErrors a
readSingleWith TextParser a
p String
"(string)" String
s
  TrackedErrors a -> TrackedErrors ()
forall {m :: * -> *} {a}.
ErrorContextM m =>
TrackedErrorsT Identity a -> m ()
check TrackedErrors a
parsed
  a
e <- TrackedErrors a
parsed
  Bool -> TrackedErrors () -> TrackedErrors ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (a
e a -> a -> Bool
forall a. Eq a => a -> a -> Bool
/= a
m) (TrackedErrors () -> TrackedErrors ())
-> TrackedErrors () -> TrackedErrors ()
forall a b. (a -> b) -> a -> b
$
    String -> TrackedErrors ()
forall a. String -> TrackedErrorsT Identity a
forall (m :: * -> *) a. ErrorContextM m => String -> m a
compilerErrorM (String -> TrackedErrors ()) -> String -> TrackedErrors ()
forall a b. (a -> b) -> a -> b
$ String -> String
forall a. Show a => a -> String
show String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
" does not parse as " String -> String -> String
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
m String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
":\n" String -> String -> String
forall a. [a] -> [a] -> [a]
++ a -> String
forall a. Show a => a -> String
show a
e
  where
    check :: TrackedErrorsT Identity a -> m ()
check TrackedErrorsT Identity a
c
      | TrackedErrorsT Identity a -> Bool
forall (t :: (* -> *) -> * -> *) a.
(ErrorContextT t, ErrorContextM (t Identity)) =>
t Identity a -> Bool
isCompilerError TrackedErrorsT Identity a
c = String -> m ()
forall a. String -> m a
forall (m :: * -> *) a. ErrorContextM m => String -> m a
compilerErrorM (String -> m ()) -> String -> m ()
forall a b. (a -> b) -> a -> b
$ String
"Parse '" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"':\n" String -> String -> String
forall a. [a] -> [a] -> [a]
++ CompilerMessage -> String
forall a. Show a => a -> String
show (TrackedErrorsT Identity a -> CompilerMessage
forall a. TrackedErrors a -> CompilerMessage
getCompilerError TrackedErrorsT Identity a
c)
      | Bool
otherwise = () -> m ()
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ()

checkParseFail :: Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail :: forall a. Show a => TextParser a -> String -> IO (TrackedErrors ())
checkParseFail TextParser a
p String
s = do
  let parsed :: TrackedErrors a
parsed = TextParser a -> String -> String -> TrackedErrors a
forall a. TextParser a -> String -> String -> TrackedErrors a
readSingleWith TextParser a
p String
"(string)" String
s
  TrackedErrors () -> IO (TrackedErrors ())
forall a. a -> IO a
forall (m :: * -> *) a. Monad m => a -> m a
return (TrackedErrors () -> IO (TrackedErrors ()))
-> TrackedErrors () -> IO (TrackedErrors ())
forall a b. (a -> b) -> a -> b
$ TrackedErrors a -> TrackedErrors ()
forall {m :: * -> *} {a}.
(ErrorContextM m, Show a) =>
TrackedErrorsT Identity a -> m ()
check TrackedErrors a
parsed
  where
    check :: TrackedErrorsT Identity a -> m ()
check TrackedErrorsT Identity a
c
      | TrackedErrorsT Identity a -> Bool
forall (t :: (* -> *) -> * -> *) a.
(ErrorContextT t, ErrorContextM (t Identity)) =>
t Identity a -> Bool
isCompilerError TrackedErrorsT Identity a
c = () -> m ()
forall a. a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return ()
      | Bool
otherwise = String -> m ()
forall a. String -> m a
forall (m :: * -> *) a. ErrorContextM m => String -> m a
compilerErrorM (String -> m ()) -> String -> m ()
forall a b. (a -> b) -> a -> b
$ String
"Parse '" String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
s String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"': Expected failure but got\n" String -> String -> String
forall a. [a] -> [a] -> [a]
++
                                     a -> String
forall a. Show a => a -> String
show (TrackedErrorsT Identity a -> a
forall a. TrackedErrors a -> a
getCompilerSuccess TrackedErrorsT Identity a
c) String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
"\n"