implements go version except getc

brain_go.hs

@@ -0,0 +1,123 @@
+
+{-# LANGUAGE QuasiQuotes #-}
+
+module Brain_go where
+import Control.Applicative
+import Str
+
+before_main = [str|
+package main
+
+import(
+    "fmt"
+    //"strings"
+)
+
+type TuringTape struct {
+    tape []byte
+    head int
+}
+
+func create() TuringTape {
+    ret := TuringTape{}
+    ret.tape = make([]byte, 1000)
+    for i := 0; i < 1000; i++ {
+        ret.tape[i] = 0
+    }
+
+    ret.head = 0
+    return ret
+}
+
+func increment(a TuringTape) TuringTape {
+    a.tape[a.head]++
+    return a
+}
+
+func decrement(a TuringTape) TuringTape {
+    a.tape[a.head]--
+    return a
+}
+
+func next_var(a TuringTape) TuringTape {
+    a.head++
+    if len(a.tape) <= a.head {
+        new_tape := make([]byte, len(a.tape) + 1000)
+        for i := 0; i < len(new_tape); i++ {
+            if i < len(a.tape) {
+                new_tape[i] = a.tape[i]
+            }else {
+                new_tape[i] = 0
+            }
+        }
+        a.tape = new_tape
+    }
+    return a
+}
+
+func prev_var(a TuringTape) TuringTape {
+    a.head--
+    if a.head < 0 {
+        new_tape := make([]byte, len(a.tape) + 1000)
+        for i := 0; i < len(new_tape); i++ {
+            if i < 1000 {
+                new_tape[i] = 0
+            }else {
+                new_tape[i] = a.tape[i - 1000]
+            }
+        }
+        a.tape = new_tape
+        a.head += 1000
+    }
+    return a
+}
+
+func print_var(a TuringTape) TuringTape {
+    fmt.Printf("%c", a.tape[a.head])
+    return a
+}
+
+func get_var(a TuringTape) TuringTape {
+    return a
+}
+
+|]
+
+convert_brainfuck :: String -> String
+convert_brainfuck "" = ""
+
+convert_brainfuck ('+':rest) = "a = increment(a)\n" ++ convert_brainfuck rest
+convert_brainfuck ('-':rest) = "a = decrement(a)\n" ++ convert_brainfuck rest
+convert_brainfuck ('>':rest) = "a = next_var(a)\n" ++ convert_brainfuck rest
+convert_brainfuck ('<':rest) = "a = prev_var(a)\n" ++ convert_brainfuck rest
+convert_brainfuck ('.':rest) = "a = print_var(a)\n" ++ convert_brainfuck rest
+-- convert_brainfuck (',':rest) = " get_var()\n" ++ convert_brainfuck rest
+convert_brainfuck ('[':rest) = " for a.tape[a.head] != 0 {\n" ++ convert_brainfuck rest
+convert_brainfuck (']':rest) = "}\n" ++ convert_brainfuck rest
+convert_brainfuck (_:rest) = convert_brainfuck rest
+
+{-
+convert_brainfuck ('+':rest) = " increment" ++ convert_brainfuck rest
+convert_brainfuck ('-':rest) = " decrement" ++ convert_brainfuck rest
+convert_brainfuck ('>':rest) = " next_var" ++ convert_brainfuck rest
+convert_brainfuck ('<':rest) = " prev_var" ++ convert_brainfuck rest
+convert_brainfuck ('.':rest) = " print_var" ++ convert_brainfuck rest
+convert_brainfuck (',':rest) = " get_var" ++ convert_brainfuck rest
+convert_brainfuck ('[':rest) = " (loop_func" ++ convert_brainfuck rest
+convert_brainfuck (']':rest) = ")" ++ convert_brainfuck rest
+-}
+
+create_main :: String -> String
+create_main input = "func main(){\nvar a TuringTape = create()\n" ++ (convert_brainfuck input) ++ "}"
+
+
+create_program :: String -> String
+create_program input = before_main ++ (create_main input)
+
+--brainfuck :: String
+--brainfuck = ">+++++++++[<++++++++>-]<.>+++++++[<++++>-]<+.+++++++..+++.[-]>++++++++[<++++>-]<.>+++++++++++[<+++++>-]<.>++++++++[<+++>-]<.+++.------.--------.[-]>++++++++[<++++>-]<+.[-]++++++++++."
+--brainfuck = ">+++++++++[<.++++++++>-]<>+++++++[<++++>-]<+++++++++++[-]>++++++++[<++++>-]<>+++++++++++[<+++++>-]<>++++++++[<+++>-]<+++--------------[-]>++++++++[<++++>-]<+[-]++++++++++"
+--brainfuck = ">+++++++++[<++++++++>-.]<."
+--brainfuck = "-.>.<.<.>>>>."
+
+--main = putStrLn $ create_program brainfuck

main.hs

@@ -11,6 +11,7 @@ import Brain_py
 import Brain_java
 import Brain_clj
 import Brain_php
+import Brain_go
 
 main :: IO ()
 main = do
@@ -45,3 +46,4 @@ convert bf "python" = Brain_py.create_program bf
 convert bf "java" = Brain_java.create_program bf
 convert bf "clojure" = Brain_clj.create_program bf
 convert bf "php" = Brain_php.create_program bf
+convert bf "go" = Brain_go.create_program bf