import StdFile
import StdBool
+import StdMisc
+import StdFunc
+import StdList
+import StdString
+import Data.Either
+import Data.Maybe
+import System.CommandLine
import parse
import lex
-Start :: *World -> (LexerOutput, ParserOutput, *World)
+:: Opts = {
+ program :: String,
+ lex :: Bool,
+ parse :: Bool,
+ fp :: Maybe String,
+ help :: Bool}
+
+:: *StartType :== (LexerOutput, ParserOutput, *World)
+
+parseArgs :: *World -> (Opts, *World)
+parseArgs w
+# ([p:args], w) = getCommandLine w
+= (pa args {program=p, lex=False, parse=False, fp=Nothing, help=False}, w)
+where
+ pa :: [String] -> (Opts -> Opts)
+ pa [] = id
+ pa ["--help":r] = \o.pa r {o & help=True}
+ pa ["--lex":r] = \o.pa r {o & lex=True, parse=False}
+ pa ["--parse":r] = \o.pa r {o & lex=False, parse=True}
+ pa [x:r] = \o.pa r {o & fp=Just x}
+
+//Start :: *World -> (LexerOutput, ParserOutput, *World)
+//Start w
+//# (args, w) = getCommandLine w
+//# (toparse, out) = readEntireFile out
+//= (lexer toparse, parse (lexer toparse), w)
+
+Start :: *World -> *StartType
Start w
-# (out, w) = stdio w
-# (toparse, out) = readEntireFile out
-# (_, w) = fclose out w
-= (lexer toparse, parse (lexer toparse), w)
+# (args, w) = parseArgs w
+| args.help = help args.program w
+# (stdin, w) = stdio w
+# (contents, stdin, w) = readFileOrStdin stdin args.fp w
+| args.lex = case contents of
+ (Right cs) = (lexer cs, Left "Parsing Disabled", w)
+ (Left e) = (Left e, Left "Parsing disabled", w)
+= case contents of
+ (Left e) = (Left e, Left "", w)
+ (Right cs) = let lexOut = lexer cs in (lexOut, parser lexOut, w)
+
+readFileOrStdin :: *File (Maybe String) *World -> *(Either String [Char], *File, *World)
+readFileOrStdin stdin Nothing w
+# (cs, stdin) = readEntireFile stdin
+= (Right cs, stdin, w)
+readFileOrStdin stdin (Just fp) w
+# (b, fin, w) = fopen fp FReadText w
+| not b = (Left "Unable to open file", stdin, w)
+# (cs, fin) = readEntireFile fin
+# (_, w) = fclose fin w
+= (Right cs, stdin, w)
readEntireFile :: *File -> *([Char], *File)
readEntireFile f
| not b = ([], f)
# (cs, f) = readEntireFile f
= ([c:cs], f)
+
+help :: String *World -> *StartType
+help p w
+# (out, w) = stdio w
+# out = out <<< "\nUsage: " <<< p <<< " [opts] [FILENAME]\n"
+ <<< "\t--help Show this help\n"
+ <<< "\t--lex Lex only, is mutually exclusive with --parse\n"
+ <<< "\t--parse Lex & Parse only\n\n"
+ <<< "\tFILENAME File to parse, when unspecified stdin is parsed\n"
+# (_, w) = fclose out w
+= (Left "", Left "", w)
+
ReadableABC: False
ReuseUniqueNodes: True
Fusion: False
+ Module
+ Name: System.CommandLine
+ Dir: {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+ Compiler
+ NeverMemoryProfile: False
+ NeverTimeProfile: False
+ StrictnessAnalysis: True
+ ListTypes: StrictExportTypes
+ ListAttributes: True
+ Warnings: True
+ Verbose: True
+ ReadableABC: False
+ ReuseUniqueNodes: True
+ Fusion: False
Module
Name: System.IO
Dir: {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
ReadableABC: False
ReuseUniqueNodes: True
Fusion: False
+ Module
+ Name: System._Pointer
+ Dir: {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
+ Compiler
+ NeverMemoryProfile: False
+ NeverTimeProfile: False
+ StrictnessAnalysis: True
+ ListTypes: StrictExportTypes
+ ListAttributes: True
+ Warnings: True
+ Verbose: True
+ ReadableABC: False
+ ReuseUniqueNodes: True
+ Fusion: False
Module
Name: Text
Dir: {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Independent
ReadableABC: False
ReuseUniqueNodes: True
Fusion: False
+ Module
+ Name: System.OS
+ Dir: {Application}/lib/iTasks-SDK/Dependencies/Platform/OS-Linux-64
+ Compiler
+ NeverMemoryProfile: False
+ NeverTimeProfile: False
+ StrictnessAnalysis: True
+ ListTypes: StrictExportTypes
+ ListAttributes: True
+ Warnings: True
+ Verbose: True
+ ReadableABC: False
+ ReuseUniqueNodes: True
+ Fusion: False
Module
Name: _SystemDynamic
Dir: {Application}/lib/iTasks-SDK/Patches/Dynamics
import StdList
from StdFunc import const
import Data.Either
+import Data.Functor
+import Data.Maybe
import Control.Monad
import Control.Applicative
import Data.Func
+from Text import class Text(concat), instance Text String
import yard
import lex
-parse :: LexerOutput -> ParserOutput
-parse (Left e) = Left $ toString $ LexError e
-parse (Right r) = case runParser parseProgram r of
+parser :: LexerOutput -> ParserOutput
+parser (Left e) = Left $ toString $ LexError e
+parser (Right r) = case runParser parseProgram r of
(Right p, _) = Right p
(Left e, _) = Left $ toString e
parseProgram :: Parser Token AST
-parseProgram = parseVar >>= \t.pure $ AST [t] []
+parseProgram = parseVarDecl >>= \t.pure $ AST [t] []
-parseVar :: Parser Token VarDecl
-parseVar = parseType
+parseVarDecl :: Parser Token VarDecl
+parseVarDecl =
+ (parseType <|> trans1 VarToken VarType )
>>= \t->parseIdent <* satTok AssignmentToken
>>= \i->parseExpr <* satTok SColonToken
>>= \e->pure $ VarDecl i t e
parseType :: Parser Token Type
parseType =
trans1 IntTypeToken IntType <|>
- trans1 VarToken VarType <|>
trans1 CharTypeToken CharType <|>
trans1 BoolTypeToken BoolType <|>
(satTok SquareOpenToken *> parseType <* satTok SquareCloseToken
trans2 (NumberToken zero) (\(NumberToken i)->IntExpr i) <|>
trans2 (CharToken zero) (\(CharToken c)->CharExpr c) <|>
(parseOp1 >>= \o->parseExpr >>= \e.pure $ Op1Expr o e) <|>
+ (parseIdent <* satTok BraceOpenToken
+ >>= \i->parseActArgs <* satTok BraceCloseToken
+ >>= \es->pure $ FunExpr i es) <|>
(parseIdent >>= \i. parseFieldSelector >>= \f.pure $ VarExpr i f)
+ //TODO Parse Binary operators
+
+parseActArgs :: Parser Token [Expr]
+parseActArgs =
+ //One argument
+ (some (parseExpr <* satTok CommaToken) >>= \es->parseExpr >>= \e.pure [e:es]) <|>
+ //Two or more arguments
+ (parseExpr >>= \e->pure [e]) <|>
+ //Zero arguments, dit moet nog mooier kunnen
+ empty
parseOp1 :: Parser Token Op1
parseOp1 = trans1 DashToken UnMinus <|>
parseIdent :: Parser Token String
parseIdent = trans2 (IdentToken []) (\(IdentToken e).toString e)
+
+instance toString AST where
+ toString (AST v f) = concat (print v ++ ["\n":print f])
+
+class print a :: a -> [String]
+
+instance print [a] | print a where
+ print [] = ["\n"]
+ print [v:vs] = print v ++ ["\n":print vs]
+
+instance print VarDecl where
+ print (VarDecl i t e) = print t ++ [" ":i:"=":print e] ++ [";"]
+instance print FunDecl where
+ print _ = ["Function printing not yet implemented"]
+
+instance print Type where
+ print (TupleType t1 t2) = ["(":print t1] ++ [", ":print t2] ++ [")"]
+ print (ListType t) = ["[":print t] ++ ["]"]
+ print (IdType s) = [s]
+ print IntType = ["Int"]
+ print BoolType = ["Bool"]
+ print CharType = ["Char"]
+ print VarType = ["var"]
+
+instance print Expr where
+ print (VarExpr i Nothing) = [i]
+ print (VarExpr i (Just mf)) = [i, case mf of
+ FieldHd = ".hd"; FieldTl = ".tl"
+ FieldSnd = ".snd"; FieldFst = ".fst"]
+ print (Op2Expr e1 o e2) = print e1 ++ [case o of
+ BiPlus = "+"; BiMinus = "-"; BiTimes = "*"; BiDivide = "/"
+ BiMod = "%"; BiEquals = "="; BiLesser = "<"; BiGreater = ">"
+ BiLesserEq = "<="; BiGreaterEq = ">="; BiUnEqual = "!=";
+ BiAnd = "&&"; BiOr = "||"; BiCons = ":"
+ :print e2]
+ print (Op1Expr o e) = [case o of
+ UnNegation = "!"; UnMinus = "-"
+ :print e]
+ print (IntExpr i) = [toString i]
+ print (CharExpr c) = ["\'", case c of
+ '\b' = "\\b"; '\f' = "\\f"; '\n' = "\\n"
+ '\r' = "\\r"; '\t' = "\\t"; '\v' = "\\v"
+ c = if (c == toChar 7) "\\a" (toString c)
+ ,"\'"]
+ print (BoolExpr b) = [toString b]
+ print (FunExpr i es) = pe ++ flatten [[",":x]\\x<-tl pes]
+ where [pe:pes] = map print es
+ print EmptyListExpr = ["[]"]
+ print (TupleExpr e1 e2) = ["(":print e1] ++ [",":print e2] ++ [")"]
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