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+/**
+ * Interactive Clean
+ *
+ * Clean program to easily compile and run one-line Clean expressions
+ *
+ * The MIT License (MIT)
+ * 
+ * Copyright (c) 2015 Camil Staps <info@camilstaps.nl>
+ * 
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ * 
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ * 
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+ * SOFTWARE.
+ */
+module iclean
+
+import StdEnv
+
+// SETTINGS
+temp_path :== "/tmp/"
+temp_module :== "iclean"
+// END SETTINGS
+
+temp_file :== temp_path +++ temp_module +++ ".icl"
+
+Start :: *World -> *World
+Start w
+# w = loop w
+= w
+where
+    loop :: *World -> *World
+    loop w
+    #! w = print "> " w
+    #! (s,w) = readline w
+    | s == "" = w
+    #! w = writemodule s w
+    #! w = compile temp_path temp_module w
+    #! w = run (temp_path +++ temp_module) w
+    = loop w
+
+print :: String *World -> *World
+print s w
+# (io,w) = stdio w
+# io = fwrites s io
+# (ok,w) = fclose io w
+| not ok = abort "Couldn't close stdio\n"
+| otherwise = w
+
+readline :: *World -> *(String,*World)
+readline w
+# (io,w) = stdio w
+# (s,io) = freadline io
+# (ok,w) = fclose io w
+| not ok = abort "Couldn't close stdio\n"
+| otherwise = (s % (0,length (l s) - 2), w)
+where
+    l :: String -> [Char]
+    l s = fromString s
+
+writemodule :: String *World -> *World
+writemodule s w
+# (ok,f,w) = fopen temp_file FWriteText w
+| not ok = abort ("Couldn't open " +++ temp_file +++ " for writing.\n")
+# f = fwrites ("module " +++ temp_module +++ "\n") f
+# f = fwrites "import StdEnv\n" f
+# f = fwrites ("Start = " +++ s +++ "\n") f
+# (ok,w) = fclose f w
+| not ok = abort ("Couldn't close " +++ temp_file +++ "\n")
+| otherwise = w
+
+compile :: !String !String *World -> *World
+compile _ _ _ = code {
+    ccall compile "SS:V:p"
+}
+
+run :: !String *World -> *World
+run _ _ = code {
+    ccall run "S:V:p"
+}
+