From: Mart Lubbers <mart@martlubbers.net>
Date: Fri, 24 Apr 2015 12:35:17 +0000 (+0200)
Subject: rare shit
X-Git-Url: https://git.martlubbers.net/?a=commitdiff_plain;h=a067356625105f50978443d3b0a0a5d8f6391184;p=fp1415.git

rare shit
---

diff --git a/fp2/week2/mart/EchoMonad.icl b/fp2/week2/mart/EchoMonad.icl
new file mode 100644
index 0000000..3bcab11
--- /dev/null
+++ b/fp2/week2/mart/EchoMonad.icl
@@ -0,0 +1,14 @@
+module EchoMonad
+
+import StdString		// expliciete import uit StdEnv om nameclash met StdFunc / StdIOMonad te voorkomen
+import StdIOMonad
+import StdMaybeMonad
+
+Start :: *World -> (Void,*World)
+Start world = doIO echo world
+
+echo :: IO Void
+echo = read >>= \regel ->
+       if (regel == "\n")
+          (return Void) 
+          (write regel >>= \_ -> echo)
diff --git a/fp2/week2/mart/StdIOMonad.dcl b/fp2/week2/mart/StdIOMonad.dcl
new file mode 100644
index 0000000..0d451d2
--- /dev/null
+++ b/fp2/week2/mart/StdIOMonad.dcl
@@ -0,0 +1,39 @@
+definition module StdIOMonad
+
+//	Deze module verpakt een aantal StdFile functies in een monadische jas
+
+import StdMonad, StdMaybeMonad
+
+:: IO a
+:: Void       = Void
+:: Filemode   = Lees | Schrijf
+:: Filenaam :== String
+:: Filehandle
+
+//	voer monadische I/O actie uit op de wereld:
+//doIO		:: (IO a) *World -> (a,*World)
+
+//  IO is een monad:
+//instance return IO
+//instance >>=    IO
+//
+////	lees regel van de console:
+//read		:: IO String
+//
+////	schrijf regel naar de console:
+//write		:: String -> IO Void
+//
+////	open de file met gegeven filenaam en mode:
+//open		:: Filenaam Filemode -> IO (Maybe Filehandle)
+//
+////	sluit de file met gegeven filenaam:
+//close		:: Filehandle -> IO Bool
+//
+////	bepaal of het lezen van de file klaar is:
+//eof			:: Filehandle -> IO Bool
+//
+////	lees een regel van een file:
+//readline	:: Filehandle -> IO (Maybe String)
+//
+////	schrijf een regel naar een file:
+//writeline	:: String Filehandle -> IO Bool
diff --git a/fp2/week2/mart/StdIOMonad.icl b/fp2/week2/mart/StdIOMonad.icl
index 7f112a7..1d4b24e 100644
--- a/fp2/week2/mart/StdIOMonad.icl
+++ b/fp2/week2/mart/StdIOMonad.icl
@@ -1,22 +1,16 @@
-module StdIOMonad
-
-import StdEnv, StdMaybe, StdMonad, StdFile
-
-:: IO a = IO (*World -> *(a, *World))
-
-read :: *World -> (IO String, *World)
-read world
-# (io, world) = stdio world
-# (line, io) = freadline io
-# (ok, world) = fclose io
-| not ok = abort "Couldn't close console"
-| otherwise = line
-
-instance return IO where
-	return x = IO (\w = (x, w))
-
-instance >>= IO where
-	>>= (IO f) g = (IO f)
-
-Start :: *World -> (IO String, *World)
-Start world = read 
+implementation module StdIOMonad
+
+//	Deze module verpakt StdFile in een monadische jas
+
+import StdFile
+import StdMonad
+//import StdOverloaded
+
+:: IO a = IO [a]	// kies een geschikte representatie voor IO
+:: Filemode = Lees | Schrijf
+:: Filenaam :== String
+:: Filehandle :== []	// kies een geschikte representatie voor Filehandle
+
+//instance toInt Filemode where
+//	toInt Lees						= FReadText
+//	toInt Schrijf					= FWriteText
diff --git a/fp2/week2/mart/StdListMonad.dcl b/fp2/week2/mart/StdListMonad.dcl
new file mode 100644
index 0000000..576ef55
--- /dev/null
+++ b/fp2/week2/mart/StdListMonad.dcl
@@ -0,0 +1,7 @@
+definition module StdListMonad
+
+import StdMonad
+
+instance return []
+instance >>=    []
+instance fail   []
diff --git a/fp2/week2/mart/StdListMonad.icl b/fp2/week2/mart/StdListMonad.icl
new file mode 100644
index 0000000..b3b3d62
--- /dev/null
+++ b/fp2/week2/mart/StdListMonad.icl
@@ -0,0 +1,7 @@
+implementation module StdListMonad
+
+import StdMonad
+
+instance return	[] where return x = [x]
+instance >>=	[] where >>= xs f = [y \\ x <- xs, y <- f x]
+instance fail   [] where fail     = []
diff --git a/fp2/week2/mart/StdMaybeMonad.dcl b/fp2/week2/mart/StdMaybeMonad.dcl
new file mode 100644
index 0000000..e9ebec1
--- /dev/null
+++ b/fp2/week2/mart/StdMaybeMonad.dcl
@@ -0,0 +1,9 @@
+definition module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe
+instance >>=	Maybe
+instance fail   Maybe
diff --git a/fp2/week2/mart/StdMaybeMonad.icl b/fp2/week2/mart/StdMaybeMonad.icl
new file mode 100644
index 0000000..1c6277d
--- /dev/null
+++ b/fp2/week2/mart/StdMaybeMonad.icl
@@ -0,0 +1,10 @@
+implementation module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe where return x       = Just x
+instance >>=	Maybe where >>= (Just x) f = f x
+                            >>= Nothing  f = Nothing
+instance fail   Maybe where fail           = Nothing
diff --git a/fp2/week2/mart/ToonFileMonad.icl b/fp2/week2/mart/ToonFileMonad.icl
new file mode 100644
index 0000000..acd62c2
--- /dev/null
+++ b/fp2/week2/mart/ToonFileMonad.icl
@@ -0,0 +1,30 @@
+module ToonFileMonad
+
+import StdArray, StdInt, StdString	// expliciete imports van StdEnv om name-clash met StdFunc en StdIOMonad te voorkomen
+import StdIOMonad
+import StdMaybeMonad
+
+Start :: *World -> (Void,*World)
+Start world = doIO toon world
+
+toon :: IO Void
+toon = write "Voer een filenaam in: " >>= \_ ->
+       read                           >>= \filenaam ->
+       open (filenaam%(0,size filenaam-2)) Lees >>= \misschien_filehandle ->
+       case misschien_filehandle of
+           Nothing
+               = write ("Kon " +++ filenaam +++ " niet openen.\n") >>= \_ ->
+                 return Void
+           Just filehandle
+               = toon_inhoud filehandle
+
+toon_inhoud :: Filehandle -> IO Void
+toon_inhoud filehandle
+	= eof filehandle >>= \einde ->
+	  if einde
+	     (return Void)
+	     (readline filehandle >>= \misschien_regel ->
+	      case misschien_regel of
+	          Nothing    = return Void
+	          Just regel = write regel >>= \_ -> toon_inhoud filehandle
+	     )
diff --git a/fp2/week2/mart/Map.dcl b/fp2/week2/mart/oldold/old/Map.dcl
similarity index 100%
rename from fp2/week2/mart/Map.dcl
rename to fp2/week2/mart/oldold/old/Map.dcl
diff --git a/fp2/week2/mart/Map.icl b/fp2/week2/mart/oldold/old/Map.icl
similarity index 100%
rename from fp2/week2/mart/Map.icl
rename to fp2/week2/mart/oldold/old/Map.icl
diff --git a/fp2/week2/mart/Mappen.icl b/fp2/week2/mart/oldold/old/Mappen.icl
similarity index 100%
rename from fp2/week2/mart/Mappen.icl
rename to fp2/week2/mart/oldold/old/Mappen.icl
diff --git a/fp2/week2/mart/Random.dcl b/fp2/week2/mart/oldold/old/Random.dcl
similarity index 100%
rename from fp2/week2/mart/Random.dcl
rename to fp2/week2/mart/oldold/old/Random.dcl
diff --git a/fp2/week2/mart/Random.icl b/fp2/week2/mart/oldold/old/Random.icl
similarity index 100%
rename from fp2/week2/mart/Random.icl
rename to fp2/week2/mart/oldold/old/Random.icl
diff --git a/fp2/week2/mart/ReturnEnBind.icl b/fp2/week2/mart/oldold/old/ReturnEnBind.icl
similarity index 100%
rename from fp2/week2/mart/ReturnEnBind.icl
rename to fp2/week2/mart/oldold/old/ReturnEnBind.icl
diff --git a/fp2/week2/mart/oldold/old/StdIOMonad.dcl b/fp2/week2/mart/oldold/old/StdIOMonad.dcl
new file mode 100644
index 0000000..375f077
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdIOMonad.dcl
@@ -0,0 +1,40 @@
+definition module StdIOMonad
+
+//	Deze module verpakt een aantal StdFile functies in een monadische jas
+
+import StdMonad, StdMaybeMonad
+
+:: IO a
+:: Void       = Void
+:: Filemode   = Lees | Schrijf
+:: Filenaam :== String
+:: *Filehandle
+
+//	voer monadische I/O actie uit op de wereld:
+//doIO		:: (IO a) *World -> *(a,*World)
+
+//  IO is een monad:
+//instance return IO
+//instance >>=    IO
+
+//	lees regel van de console:
+read		:: IO String
+
+/*
+//	schrijf regel naar de console:
+write		:: String -> IO Void
+
+//	open de file met gegeven filenaam en mode:
+open		:: Filenaam Filemode -> IO (Maybe Filehandle)
+
+//	sluit de file met gegeven filenaam:
+close		:: Filehandle -> IO Bool
+
+//	bepaal of het lezen van de file klaar is:
+eof			:: Filehandle -> IO Bool
+
+//	lees een regel van een file:
+readline	:: Filehandle -> IO (Maybe String)
+
+//	schrijf een regel naar een file:
+writeline	:: String Filehandle -> IO Bool*/
diff --git a/fp2/week2/mart/oldold/old/StdIOMonad.icl b/fp2/week2/mart/oldold/old/StdIOMonad.icl
new file mode 100644
index 0000000..0338a44
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdIOMonad.icl
@@ -0,0 +1,93 @@
+implementation module StdIOMonad
+
+//Deze module verpakt StdFile in een monadische jas
+
+import StdFile
+import StdMonad
+import StdMaybeMonad
+
+
+:: IO a = IO (*World Filehandle -> *(a, *World, Filehandle))
+:: Void       = Void
+:: Filemode   = Lees | Schrijf
+:: Filenaam :== String
+:: *Filehandle = None | FH *(Bool, Filemode, *File)
+
+toInt :: Filemode -> Int
+toInt Lees = FReadText
+toInt Schrijf = FWriteText
+
+Start world = read
+
+////voer monadische I/O actie uit op de wereld:
+//doIO :: (IO a) *World -> *(a,*World)
+//doIO (IO f) world = f (world, Closed)
+
+//  IO is een monad:
+instance return IO where
+	return x = IO (\w fh = (x, w, fh))
+//instance >>=    IO where
+//	(>>=) (IO f) g = IO(\w = let (a, w1) = f w in doIO (g a) w1)
+
+//lees regel van de console:
+read:: IO String
+read = IO (\w fh -> ("", w, fh))
+
+/*//schrijf regel naar de console:
+write:: String -> IO Void
+write s = IO (\w = (Void, write` s w))
+	where
+		write`:: String *World -> *World
+		write` s world
+		# (io, world) = stdio world
+		# io = fwrites s world
+		# (_, world) = fclose io
+		= world
+
+//open de file met gegeven filenaam en mode:
+open:: Filenaam Filemode -> IO (Maybe Filehandle)
+open s m = IO (\w = let (f1, w1) = openfh` s m w in (f1, (w1, f1)))
+	where
+		openfh`:: Filenaam Filemode *World -> (Maybe Filehandle, *World)
+		openfh` s m world
+		# (ok, file, world) = fopen s (toInt m) world
+		| ok = (Just (Open (m, file)), world)
+		| otherwise = (Nothing, world)
+
+//sluit de file met gegeven filenaam:
+close:: Filehandle -> IO Bool
+close fh = IO (\w = let (b1, w1) = close` fh w in (b1, (w1, Closed)))
+	where
+		close`:: Filehandle *World -> (Bool, *World)
+		close` Closed world = (False, world)
+		close` (Open (_, file)) world = fclose file world
+
+//bepaal of het lezen van de file klaar is:
+eof:: Filehandle -> IO Bool
+eof fh = IO (\w = let (b1, w1) = eof` fh w in (b1, (w1, Closed)))
+	where
+		eof`:: Filehandle *World -> (Bool, *World)
+		eof` Closed world = (world, False)
+		eaf`(Open (_, file)) world = fclose file
+
+//lees een regel van een file:
+readline:: Filehandle -> IO (Maybe String)
+readline fh = IO (\w = let r1 = readline` fh w in r1)
+	where
+		readline`:: Filehandle *World -> (Maybe String, (*World, Filehandle))
+		readline` Closed world = (world, Nothing)
+		readline` (Open (Schrijf, _)) world = (world, Nothing)
+		readline` (Open (Lees, file)) world
+		# (line, file) = sfreadline file
+		= (Just line, (world, Open (Lees, file)))
+
+//schrijf een regel naar een file:
+writeline:: String Filehandle -> IO Bool
+writeline s fh = IO (\w = let r1 = writeline` s fh w in r1)
+	where
+		writeline`:: String Filehandle *World -> (Bool, (*World, Filehandle))
+		writeline` line Closed world = (False, (world, Closed))
+		writeline` line (Open (Lees, file)) world = (False, (world, (Open (Lees, file))))
+		writeline` line (Open (Schrijf, file)) world
+		# file = fwrites line file
+		= (True, (world, file))*/
diff --git a/fp2/week2/mart/oldold/old/StdMaybeMonad.dcl b/fp2/week2/mart/oldold/old/StdMaybeMonad.dcl
new file mode 100644
index 0000000..e9ebec1
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdMaybeMonad.dcl
@@ -0,0 +1,9 @@
+definition module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe
+instance >>=	Maybe
+instance fail   Maybe
diff --git a/fp2/week2/mart/oldold/old/StdMaybeMonad.icl b/fp2/week2/mart/oldold/old/StdMaybeMonad.icl
new file mode 100644
index 0000000..1c6277d
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdMaybeMonad.icl
@@ -0,0 +1,10 @@
+implementation module StdMaybeMonad
+
+import StdMonad
+
+:: Maybe a = Nothing | Just a
+
+instance return	Maybe where return x       = Just x
+instance >>=	Maybe where >>= (Just x) f = f x
+                            >>= Nothing  f = Nothing
+instance fail   Maybe where fail           = Nothing
diff --git a/fp2/week2/mart/oldold/old/StdMonad.dcl b/fp2/week2/mart/oldold/old/StdMonad.dcl
new file mode 100644
index 0000000..cd1c654
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdMonad.dcl
@@ -0,0 +1,8 @@
+definition module StdMonad
+
+class return        c :: a -> c a
+class (>>=) infix 0	c :: (c a) (a -> c b) -> c b
+class fail          c :: c a
+
+class Monad	        c | return, >>= c
+class MonadFail	    c | Monad, fail c
diff --git a/fp2/week2/mart/oldold/old/StdMonad.icl b/fp2/week2/mart/oldold/old/StdMonad.icl
new file mode 100644
index 0000000..db193ab
--- /dev/null
+++ b/fp2/week2/mart/oldold/old/StdMonad.icl
@@ -0,0 +1 @@
+implementation module StdMonad