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module Inky
import Collie
import Control.App
import Control.App.Console
import Control.App.FileIO
import Inky.Decidable
import Inky.Decidable.Maybe
import Inky.Parser
import Inky.Term
import Inky.Term.Parser
import Inky.Term.Pretty
import Inky.Type.Pretty
import System.File.Mode
import System.File.ReadWrite
import System.File.Virtual
import Text.Lexer
import Text.PrettyPrint.Prettyprinter
import Text.PrettyPrint.Prettyprinter.Render.Terminal
%default partial
%hide Collie.Modifiers.infix.(::=)
-- Actions ---------------------------------------------------------------------
lexInkyString : HasErr String es => String -> App es (List (WithBounds InkyToken))
lexInkyString file = do
let (tokens, _, _, "") = lex tokenMap file
| (_, line, col, rest) => throw "\{show (1 + line)}:\{show col}: unexpected character"
pure (filter (\x => relevant x.val.kind) tokens)
parseType : HasErr String es => List (WithBounds InkyToken) -> App es (Ty [<])
parseType toks = do
let Ok res [] _ = parse @{EqI} OpenType toks
| Ok res (x :: _) _ => throw "\{x.bounds}: unexpected token \{x.val.kind}, expected end of input"
| Err msg => throw msg
let Right a = res.try [<]
| Left msg => throw msg
pure a
parseTerm : HasErr String es => List (WithBounds InkyToken) -> App es (Term Bounds [<] [<])
parseTerm toks = do
let Ok res [] _ = parse @{EqI} OpenTerm toks
| Ok res (x :: _) _ => throw "\{x.bounds}: unexpected token \{x.val.kind}, expected end of input"
| Err msg => throw msg
let Right t = res.try [<] [<]
| Left msg => throw msg
pure t
checkType : HasErr String es => Ty [<] -> App es ()
checkType a = do
let False `Because` wf = illFormed a
| True `Because` bad => throw "type ill-formed"
pure ()
checkTerm : (a : Ty [<]) -> (t : Term m [<] [<]) -> HasErr (NotChecks [<] [<] a t) es => App es ()
checkTerm a t = do
let True `Because` prf = checks [<] [<] a t
| False `Because` contra => throw contra
pure ()
printType :
PrimIO es => {default defaultLayoutOptions opts : LayoutOptions} ->
Ty [<] -> App es ()
printType a = do
primIO $ renderIO $ layoutSmart opts $ prettyType a Open
printTerm :
PrimIO es => {default defaultLayoutOptions opts : LayoutOptions} ->
Term m [<] [<] -> App es ()
printTerm a = do
primIO $ renderIO $ layoutSmart opts $ prettyTerm a Open
printCheckError :
PrimIO es => {default defaultLayoutOptions opts : LayoutOptions} ->
{a : Ty [<]} -> {t : Term Bounds [<] [<]} ->
NotChecks [<] [<] a t -> App es ()
printCheckError contra =
primIO $ renderIO $ layoutSmart opts $
concatWith (surround hardline) $
map (\(bounds, msg) => group $ align $ hang 2 $ pretty "\{bounds}:" <+> line <+> msg) $
prettyNotChecks contra
readFile : FileIO es => File -> App es String
readFile f = do
content <- read [<] f
pure (fastConcat $ content <>> [])
where
read : SnocList String -> File -> App es (SnocList String)
read acc f = do
False <- fEOF f
| True => pure acc
str <- fGetStr f
read (acc :< str) f
readFileOrStdin : FileIO es => HasErr IOError es => Maybe FilePath -> App es String
readFileOrStdin Nothing = readFile stdin
readFileOrStdin (Just path) = withFile path Read throw readFile
-- Arguments -------------------------------------------------------------------
Inky : Command "inky"
Inky = MkCommand
{ description = """
tool suite for Primrose programs
"""
, subcommands =
[ "--help" ::= basic "print this help text" none
, "format" ::= MkCommand
{ description = """
pretty print data
"""
, subcommands =
[ "type" ::= basic "print a type" filePath
, "term" ::= basic "print a term" filePath
]
, modifiers = []
, arguments = none
}
, "check" ::= MkCommand
{ description = """
check well-formedness
"""
, subcommands =
[ "type" ::= basic "check a type" filePath
, "term" ::= MkCommand
{ description = "check a term"
, subcommands = []
, modifiers = ["--type" ::= option "type to check against" filePath]
, arguments = filePath
}
]
, modifiers = []
, arguments = none
}
]
, modifiers = []
, arguments = none
}
-- Driver ----------------------------------------------------------------------
parseArgs :
(cmd : Command nm) ->
App (String :: Init) (ParseTree cmd)
parseArgs cmd = do
Right args <- primIO cmd.parseArgs
| Left msg => throw msg
let Pure args = ParsedTree.finalising args
| Fail errs => throw (show $ the (Error ()) $ Fail errs)
pure args
abortErr : PrimIO es => String -> App es a
abortErr msg = do
primIO $ () <$ fPutStrLn stderr msg
primIO exitFailure
showHelp : Console es => App es ()
showHelp = putStrLn "Usage: \{Inky .usage}"
main : IO ()
main = run {l = MayThrow} $ do
args <- handle {err = String} (parseArgs Inky) pure abortErr
Collie.handle {cmd = ("inky" ** Inky)} args
[ const showHelp
, "--help" ::= [ const showHelp ]
, "format" ::=
[ const showHelp
, "type" ::=
[ \cmd => do
let path = cmd.arguments
txt <- handle {err = IOError} (readFileOrStdin path) pure (abortErr . show)
toks <- handle {err = String} (lexInkyString txt) pure abortErr
a <- handle {err = String} (parseType toks) pure abortErr
printType a
pure ()
]
, "term" ::=
[ \cmd => do
let path = cmd.arguments
txt <- handle {err = IOError} (readFileOrStdin path) pure (abortErr . show)
toks <- handle {err = String} (lexInkyString txt) pure abortErr
t <- handle {err = String} (parseTerm toks) pure abortErr
printTerm t
pure ()
]
]
, "check" ::=
[ const showHelp
, "type" ::=
[ \cmd => do
let path = cmd.arguments
txt <- handle {err = IOError} (readFileOrStdin path) pure (abortErr . show)
toks <- handle {err = String} (lexInkyString txt) pure abortErr
a <- handle {err = String} (parseType toks) pure abortErr
handle {err = String} (checkType a) pure abortErr
]
, "term" ::=
[ \cmd => do
let path = cmd.arguments
txt <- handle {err = IOError} (readFileOrStdin path) pure (abortErr . show)
toks <- handle {err = String} (lexInkyString txt) pure abortErr
t <- handle {err = String} (parseTerm toks) pure abortErr
let [type] = cmd.modifiers.content
a <-
maybe (pure (TArrow TNat TNat))
(\path => do
txt <- handle {err = IOError} (readFileOrStdin $ Just path) pure (abortErr . show)
toks <- handle {err = String} (lexInkyString txt) pure abortErr
a <- handle {err = String} (parseType toks) pure abortErr
handle {err = String} (checkType a) pure abortErr
pure a)
type
handle {err = NotChecks [<] [<] a t} (checkTerm a t) pure
(\contra => do printCheckError contra; primIO exitFailure)
]
]
]
|
