-- editorconfig-checker-disable-file
{-# LANGUAGE OverloadedStrings #-}
{-# LANGUAGE TupleSections     #-}

module UntypedPlutusCore.Parser
    ( parse
    , term
    , program
    , parseTerm
    , parseProgram
    , parseScoped
    , Parser
    , SourcePos
    ) where

import Prelude hiding (fail)

import Control.Monad (fail, when, (<=<))
import Control.Monad.Except

import PlutusCore qualified as PLC
import PlutusCore.Annotation
import PlutusCore.Error qualified as PLC
import PlutusPrelude (through)
import Text.Megaparsec hiding (ParseError, State, parse)
import Text.Megaparsec.Char.Lexer qualified as Lex
import UntypedPlutusCore.Check.Uniques (checkProgram)
import UntypedPlutusCore.Core.Type qualified as UPLC
import UntypedPlutusCore.Rename (Rename (rename))

import Data.Text (Text)
import Data.Vector qualified as V
import Data.Word (Word64)
import PlutusCore.MkPlc (mkIterApp)
import PlutusCore.Parser hiding (parseProgram, parseTerm, program)
import PlutusCore.Version

-- Parsers for UPLC terms

-- | A parsable UPLC term.
type PTerm = UPLC.Term PLC.Name PLC.DefaultUni PLC.DefaultFun SrcSpan

conTerm :: Parser PTerm
conTerm :: Parser PTerm
conTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> Some (ValueOf DefaultUni) -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> Some (ValueOf uni) -> Term name uni fun ann
UPLC.Constant SrcSpan
sp (Some (ValueOf DefaultUni) -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Some (ValueOf DefaultUni))
-> Parser PTerm
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"con" Parser Text
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Some (ValueOf DefaultUni))
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Some (ValueOf DefaultUni))
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (Some (ValueOf DefaultUni))
constant)

builtinTerm :: Parser PTerm
builtinTerm :: Parser PTerm
builtinTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> DefaultFun -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> fun -> Term name uni fun ann
UPLC.Builtin SrcSpan
sp (DefaultFun -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     DefaultFun
-> Parser PTerm
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"builtin" Parser Text
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     DefaultFun
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     DefaultFun
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  DefaultFun
builtinFunction)

varTerm :: Parser PTerm
varTerm :: Parser PTerm
varTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    SrcSpan -> Name -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> name -> Term name uni fun ann
UPLC.Var SrcSpan
sp (Name -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Name
-> Parser PTerm
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Name
name

lamTerm :: Parser PTerm
lamTerm :: Parser PTerm
lamTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> Name -> PTerm -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> name -> Term name uni fun ann -> Term name uni fun ann
UPLC.LamAbs SrcSpan
sp (Name -> PTerm -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Name
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (PTerm -> PTerm)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"lam" Parser Text
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Name
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Name
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Name
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Name
forall a. Parser a -> Parser a
trailingWhitespace ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Name
name) ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (PTerm -> PTerm)
-> Parser PTerm -> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (a -> b)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> Parser PTerm
term

appTerm :: Parser PTerm
appTerm :: Parser PTerm
appTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    -- TODO: should not use the same `sp` for all arguments.
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inBrackets (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ PTerm -> [(SrcSpan, PTerm)] -> PTerm
forall (term :: * -> *) tyname name (uni :: * -> *) fun ann.
TermLike term tyname name uni fun =>
term ann -> [(ann, term ann)] -> term ann
mkIterApp (PTerm -> [(SrcSpan, PTerm)] -> PTerm)
-> Parser PTerm
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     ([(SrcSpan, PTerm)] -> PTerm)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser PTerm
term ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  ([(SrcSpan, PTerm)] -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [(SrcSpan, PTerm)]
-> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (a -> b)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> ((PTerm -> (SrcSpan, PTerm)) -> [PTerm] -> [(SrcSpan, PTerm)]
forall a b. (a -> b) -> [a] -> [b]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
fmap (SrcSpan
sp,) ([PTerm] -> [(SrcSpan, PTerm)])
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [PTerm]
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [(SrcSpan, PTerm)]
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser PTerm
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [PTerm]
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
some Parser PTerm
term)

delayTerm :: Parser PTerm
delayTerm :: Parser PTerm
delayTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> PTerm -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> Term name uni fun ann -> Term name uni fun ann
UPLC.Delay SrcSpan
sp (PTerm -> PTerm) -> Parser PTerm -> Parser PTerm
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"delay" Parser Text -> Parser PTerm -> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> Parser PTerm
term)

forceTerm :: Parser PTerm
forceTerm :: Parser PTerm
forceTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> PTerm -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> Term name uni fun ann -> Term name uni fun ann
UPLC.Force SrcSpan
sp (PTerm -> PTerm) -> Parser PTerm -> Parser PTerm
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"force" Parser Text -> Parser PTerm -> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> Parser PTerm
term)

errorTerm :: Parser PTerm
errorTerm :: Parser PTerm
errorTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> PTerm
forall name (uni :: * -> *) fun ann. ann -> Term name uni fun ann
UPLC.Error SrcSpan
sp PTerm -> Parser Text -> Parser PTerm
forall a b.
a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (f :: * -> *) a b. Functor f => a -> f b -> f a
<$ Text -> Parser Text
symbol Text
"error"

constrTerm :: Parser PTerm
constrTerm :: Parser PTerm
constrTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ do
      let maxTag :: Integer
maxTag = Word64 -> Integer
forall a b. (Integral a, Num b) => a -> b
fromIntegral (Word64
forall a. Bounded a => a
maxBound :: Word64)
      Integer
tag :: Integer <- Text -> Parser Text
symbol Text
"constr" Parser Text
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Integer
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Integer
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Integer
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Integer
forall a. Parser a -> Parser a
lexeme ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Integer
forall e s (m :: * -> *) a.
(MonadParsec e s m, Token s ~ Char, Num a) =>
m a
Lex.decimal
      [PTerm]
args <- Parser PTerm
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [PTerm]
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
many Parser PTerm
term
      (Version -> Bool) -> Parser () -> Parser ()
whenVersion (\Version
v -> Version
v Version -> Version -> Bool
forall a. Ord a => a -> a -> Bool
< Version
plcVersion110) (Parser () -> Parser ()) -> Parser () -> Parser ()
forall a b. (a -> b) -> a -> b
$ String -> Parser ()
forall a.
String
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"'constr' is not allowed before version 1.1.0"
      Bool -> Parser () -> Parser ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when (Integer
tag Integer -> Integer -> Bool
forall a. Ord a => a -> a -> Bool
> Integer
maxTag) (Parser () -> Parser ()) -> Parser () -> Parser ()
forall a b. (a -> b) -> a -> b
$ String -> Parser ()
forall a.
String
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"constr tag too large: must be a legal Word64 value"
      PTerm -> Parser PTerm
forall a.
a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (f :: * -> *) a. Applicative f => a -> f a
pure (PTerm -> Parser PTerm) -> PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ SrcSpan -> Word64 -> [PTerm] -> PTerm
forall name (uni :: * -> *) fun ann.
ann -> Word64 -> [Term name uni fun ann] -> Term name uni fun ann
UPLC.Constr SrcSpan
sp (Integer -> Word64
forall a b. (Integral a, Num b) => a -> b
fromIntegral Integer
tag) [PTerm]
args

caseTerm :: Parser PTerm
caseTerm :: Parser PTerm
caseTerm = (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser PTerm) -> Parser PTerm)
-> (SrcSpan -> Parser PTerm) -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp ->
    Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
inParens (Parser PTerm -> Parser PTerm) -> Parser PTerm -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ do
      PTerm
res <- SrcSpan -> PTerm -> Vector PTerm -> PTerm
forall name (uni :: * -> *) fun ann.
ann
-> Term name uni fun ann
-> Vector (Term name uni fun ann)
-> Term name uni fun ann
UPLC.Case SrcSpan
sp (PTerm -> Vector PTerm -> PTerm)
-> Parser PTerm
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Vector PTerm -> PTerm)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (Text -> Parser Text
symbol Text
"case" Parser Text -> Parser PTerm -> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> Parser PTerm
term) ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (Vector PTerm -> PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Vector PTerm)
-> Parser PTerm
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (a -> b)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f (a -> b) -> f a -> f b
<*> ([PTerm] -> Vector PTerm
forall a. [a] -> Vector a
V.fromList ([PTerm] -> Vector PTerm)
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [PTerm]
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     (Vector PTerm)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser PTerm
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     [PTerm]
forall (m :: * -> *) a. MonadPlus m => m a -> m [a]
many Parser PTerm
term)
      (Version -> Bool) -> Parser () -> Parser ()
whenVersion (\Version
v -> Version
v Version -> Version -> Bool
forall a. Ord a => a -> a -> Bool
< Version
plcVersion110) (Parser () -> Parser ()) -> Parser () -> Parser ()
forall a b. (a -> b) -> a -> b
$ String -> Parser ()
forall a.
String
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"'case' is not allowed before version 1.1.0"
      PTerm -> Parser PTerm
forall a.
a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (f :: * -> *) a. Applicative f => a -> f a
pure PTerm
res

-- | Parser for all UPLC terms.
term :: Parser PTerm
term :: Parser PTerm
term = Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
leadingWhitespace Parser PTerm
go
  where
    go :: Parser PTerm
go =
        [Parser PTerm] -> Parser PTerm
forall (f :: * -> *) (m :: * -> *) a.
(Foldable f, Alternative m) =>
f (m a) -> m a
choice ([Parser PTerm] -> Parser PTerm) -> [Parser PTerm] -> Parser PTerm
forall a b. (a -> b) -> a -> b
$ (Parser PTerm -> Parser PTerm) -> [Parser PTerm] -> [Parser PTerm]
forall a b. (a -> b) -> [a] -> [b]
map Parser PTerm -> Parser PTerm
forall a. Parser a -> Parser a
forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try [
            Parser PTerm
conTerm
            , Parser PTerm
builtinTerm
            , Parser PTerm
varTerm
            , Parser PTerm
lamTerm
            , Parser PTerm
appTerm
            , Parser PTerm
delayTerm
            , Parser PTerm
forceTerm
            , Parser PTerm
errorTerm
            , Parser PTerm
constrTerm
            , Parser PTerm
caseTerm
            ]

-- | Parser for UPLC programs.
program :: Parser (UPLC.Program PLC.Name PLC.DefaultUni PLC.DefaultFun SrcSpan)
program :: Parser (Program Name DefaultUni DefaultFun SrcSpan)
program = Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a. Parser a -> Parser a
leadingWhitespace Parser (Program Name DefaultUni DefaultFun SrcSpan)
go
  where
    go :: Parser (Program Name DefaultUni DefaultFun SrcSpan)
go = do
        Program Name DefaultUni DefaultFun SrcSpan
prog <- (SrcSpan -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a. (SrcSpan -> Parser a) -> Parser a
withSpan ((SrcSpan -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
 -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
-> (SrcSpan -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a b. (a -> b) -> a -> b
$ \SrcSpan
sp -> Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a. Parser a -> Parser a
inParens (Parser (Program Name DefaultUni DefaultFun SrcSpan)
 -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a b. (a -> b) -> a -> b
$ do
            Version
v <- Text -> Parser Text
symbol Text
"program" Parser Text
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Version
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     Version
forall a b.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     b
forall (f :: * -> *) a b. Applicative f => f a -> f b -> f b
*> ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  Version
version
            Version
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a. Version -> Parser a -> Parser a
withVersion Version
v (Parser (Program Name DefaultUni DefaultFun SrcSpan)
 -> Parser (Program Name DefaultUni DefaultFun SrcSpan))
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a b. (a -> b) -> a -> b
$ SrcSpan
-> Version -> PTerm -> Program Name DefaultUni DefaultFun SrcSpan
forall name (uni :: * -> *) fun ann.
ann -> Version -> Term name uni fun ann -> Program name uni fun ann
UPLC.Program SrcSpan
sp Version
v (PTerm -> Program Name DefaultUni DefaultFun SrcSpan)
-> Parser PTerm
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> Parser PTerm
term
        ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (Token Text)
-> Parser ()
forall a.
ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  a
-> Parser ()
forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m ()
notFollowedBy ParsecT
  ParserError
  Text
  (StateT ParserState (ReaderT (Maybe Version) Quote))
  (Token Text)
forall e s (m :: * -> *). MonadParsec e s m => m (Token s)
anySingle
        Program Name DefaultUni DefaultFun SrcSpan
-> Parser (Program Name DefaultUni DefaultFun SrcSpan)
forall a.
a
-> ParsecT
     ParserError
     Text
     (StateT ParserState (ReaderT (Maybe Version) Quote))
     a
forall (f :: * -> *) a. Applicative f => a -> f a
pure Program Name DefaultUni DefaultFun SrcSpan
prog

-- | Parse a UPLC term. The resulting program will have fresh names. The underlying monad must be capable
-- of handling any parse errors.
parseTerm :: (MonadError PLC.ParserErrorBundle m, PLC.MonadQuote m) => Text -> m PTerm
parseTerm :: forall (m :: * -> *).
(MonadError ParserErrorBundle m, MonadQuote m) =>
Text -> m PTerm
parseTerm = Parser PTerm -> Text -> m PTerm
forall (m :: * -> *) a.
(MonadError ParserErrorBundle m, MonadQuote m) =>
Parser a -> Text -> m a
parseGen Parser PTerm
term

-- | Parse a UPLC program. The resulting program will have fresh names. The
-- underlying monad must be capable of handling any parse errors.  This passes
-- "test" to the parser as the name of the input stream; to supply a name
-- explicity, use `parse program <name> <input>`.`
parseProgram ::
    (MonadError PLC.ParserErrorBundle m, PLC.MonadQuote m)
    => Text
    -> m (UPLC.Program PLC.Name PLC.DefaultUni PLC.DefaultFun SrcSpan)
parseProgram :: forall (m :: * -> *).
(MonadError ParserErrorBundle m, MonadQuote m) =>
Text -> m (Program Name DefaultUni DefaultFun SrcSpan)
parseProgram = Parser (Program Name DefaultUni DefaultFun SrcSpan)
-> Text -> m (Program Name DefaultUni DefaultFun SrcSpan)
forall (m :: * -> *) a.
(MonadError ParserErrorBundle m, MonadQuote m) =>
Parser a -> Text -> m a
parseGen Parser (Program Name DefaultUni DefaultFun SrcSpan)
program

-- | Parse and rewrite so that names are globally unique, not just unique within
-- their scope.
parseScoped ::
    (MonadError (PLC.Error uni fun SrcSpan) m, PLC.MonadQuote m)
    => Text
    -> m (UPLC.Program PLC.Name PLC.DefaultUni PLC.DefaultFun SrcSpan)
-- don't require there to be no free variables at this point, we might be parsing an open term
parseScoped :: forall (uni :: * -> *) fun (m :: * -> *).
(MonadError (Error uni fun SrcSpan) m, MonadQuote m) =>
Text -> m (Program Name DefaultUni DefaultFun SrcSpan)
parseScoped =
  (Program Name DefaultUni DefaultFun SrcSpan -> m ())
-> Program Name DefaultUni DefaultFun SrcSpan
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall (f :: * -> *) a b. Functor f => (a -> f b) -> a -> f a
through ((UniqueError SrcSpan -> Error uni fun SrcSpan)
-> ExceptT (UniqueError SrcSpan) m () -> m ()
forall e' (m :: * -> *) e a.
MonadError e' m =>
(e -> e') -> ExceptT e m a -> m a
modifyError UniqueError SrcSpan -> Error uni fun SrcSpan
forall (uni :: * -> *) fun ann.
UniqueError ann -> Error uni fun ann
PLC.UniqueCoherencyErrorE (ExceptT (UniqueError SrcSpan) m () -> m ())
-> (Program Name DefaultUni DefaultFun SrcSpan
    -> ExceptT (UniqueError SrcSpan) m ())
-> Program Name DefaultUni DefaultFun SrcSpan
-> m ()
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (UniqueError SrcSpan -> Bool)
-> Program Name DefaultUni DefaultFun SrcSpan
-> ExceptT (UniqueError SrcSpan) m ()
forall ann name (m :: * -> *) (uni :: * -> *) fun.
(Ord ann, HasUnique name TermUnique,
 MonadError (UniqueError ann) m) =>
(UniqueError ann -> Bool) -> Program name uni fun ann -> m ()
checkProgram (Bool -> UniqueError SrcSpan -> Bool
forall a b. a -> b -> a
const Bool
True))
  (Program Name DefaultUni DefaultFun SrcSpan
 -> m (Program Name DefaultUni DefaultFun SrcSpan))
-> (Text -> m (Program Name DefaultUni DefaultFun SrcSpan))
-> Text
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall (m :: * -> *) b c a.
Monad m =>
(b -> m c) -> (a -> m b) -> a -> m c
<=< Program Name DefaultUni DefaultFun SrcSpan
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall a (m :: * -> *). (Rename a, MonadQuote m) => a -> m a
forall (m :: * -> *).
MonadQuote m =>
Program Name DefaultUni DefaultFun SrcSpan
-> m (Program Name DefaultUni DefaultFun SrcSpan)
rename
  (Program Name DefaultUni DefaultFun SrcSpan
 -> m (Program Name DefaultUni DefaultFun SrcSpan))
-> (Text -> m (Program Name DefaultUni DefaultFun SrcSpan))
-> Text
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall (m :: * -> *) b c a.
Monad m =>
(b -> m c) -> (a -> m b) -> a -> m c
<=< (ParserErrorBundle -> Error uni fun SrcSpan)
-> ExceptT
     ParserErrorBundle m (Program Name DefaultUni DefaultFun SrcSpan)
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall e' (m :: * -> *) e a.
MonadError e' m =>
(e -> e') -> ExceptT e m a -> m a
modifyError ParserErrorBundle -> Error uni fun SrcSpan
forall (uni :: * -> *) fun ann.
ParserErrorBundle -> Error uni fun ann
PLC.ParseErrorE (ExceptT
   ParserErrorBundle m (Program Name DefaultUni DefaultFun SrcSpan)
 -> m (Program Name DefaultUni DefaultFun SrcSpan))
-> (Text
    -> ExceptT
         ParserErrorBundle m (Program Name DefaultUni DefaultFun SrcSpan))
-> Text
-> m (Program Name DefaultUni DefaultFun SrcSpan)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text
-> ExceptT
     ParserErrorBundle m (Program Name DefaultUni DefaultFun SrcSpan)
forall (m :: * -> *).
(MonadError ParserErrorBundle m, MonadQuote m) =>
Text -> m (Program Name DefaultUni DefaultFun SrcSpan)
parseProgram