From fc08f05feae4bd090dab51c78dbcbf3404a70f3e Mon Sep 17 00:00:00 2001
From: Ian Adam Naval <ianonavy@gmail.com>
Date: Fri, 24 Feb 2017 10:46:23 -0500
Subject: [PATCH] Implement emojifuck

---
 examples/helloworld.bf             | 33 ------------------------------
 examples/helloworld.ef             |  1 +
 src/{brainfuck.hs => emojifuck.hs} | 28 ++++++++++++-------------
 3 files changed, 15 insertions(+), 47 deletions(-)
 delete mode 100644 examples/helloworld.bf
 create mode 100644 examples/helloworld.ef
 rename src/{brainfuck.hs => emojifuck.hs} (91%)

diff --git a/examples/helloworld.bf b/examples/helloworld.bf
deleted file mode 100644
index 7c2ccc9..0000000
--- a/examples/helloworld.bf
+++ /dev/null
@@ -1,33 +0,0 @@
-+++++ +++               Set Cell #0 to 8
-[
-    >++++               Add 4 to Cell #1; this will always set Cell #1 to 4
-    [                   as the cell will be cleared by the loop
-        >++             Add 4*2 to Cell #2
-        >+++            Add 4*3 to Cell #3
-        >+++            Add 4*3 to Cell #4
-        >+              Add 4 to Cell #5
-        <<<<-           Decrement the loop counter in Cell #1
-    ]                   Loop till Cell #1 is zero
-    >+                  Add 1 to Cell #2
-    >+                  Add 1 to Cell #3
-    >-                  Subtract 1 from Cell #4
-    >>+                 Add 1 to Cell #6
-    [<]                 Move back to the first zero cell you find; this will
-                        be Cell #1 which was cleared by the previous loop
-    <-                  Decrement the loop Counter in Cell #0
-]                       Loop till Cell #0 is zero
- 
-The result of this is:
-Cell No :   0   1   2   3   4   5   6
-Contents:   0   0  72 104  88  32   8
-Pointer :   ^
- 
->>.                     Cell #2 has value 72 which is 'H'
->---.                   Subtract 3 from Cell #3 to get 101 which is 'e'
-+++++ ++..+++.          Likewise for 'llo' from Cell #3
->>.                     Cell #5 is 32 for the space
-<-.                     Subtract 1 from Cell #4 for 87 to give a 'W'
-<.                      Cell #3 was set to 'o' from the end of 'Hello'
-+++.----- -.----- ---.  Cell #3 for 'rl' and 'd'
->>+.                    Add 1 to Cell #5 gives us an exclamation point
->++.                    And finally a newline from Cell #6
diff --git a/examples/helloworld.ef b/examples/helloworld.ef
new file mode 100644
index 0000000..29aded2
--- /dev/null
+++ b/examples/helloworld.ef
@@ -0,0 +1 @@
+📈📈📈📈📈📈📈📈🌔🔜📈📈📈📈🌔🔜📈📈🔜📈📈📈🔜📈📈📈🔜📈🔙🔙🔙🔙📉🌖🔜📈🔜📈🔜📉🔜🔜📈🌔🔙🌖🔙📉🌖🔜🔜📤🔜📉📉📉📤📈📈📈📈📈📈📈📤📤📈📈📈📤🔜🔜📤🔙📉📤🔙📤📈📈📈📤📉📉📉📉📉📉📤📉📉📉📉📉📉📉📉📤🔜🔜📈📤🔜📈📈📤
\ No newline at end of file
diff --git a/src/brainfuck.hs b/src/emojifuck.hs
similarity index 91%
rename from src/brainfuck.hs
rename to src/emojifuck.hs
index 07deb23..0dc4b1d 100644
--- a/src/brainfuck.hs
+++ b/src/emojifuck.hs
@@ -1,6 +1,5 @@
--- Branfuck interpreter in Haskell: beause why not
+-- Emojifuck interpreter in Haskell: beause why not
 -- author: ianonavy
--- Based on https://github.com/quchen/articles/blob/master/write_yourself_a_brainfuck.md
 
 import Data.Maybe
 import Data.List
@@ -22,16 +21,17 @@ data BFSource = BFSource [BrainfuckCommand]
 
 instance Show BFSource where
     show (BFSource bfs) = map bfToChar bfs where
-        bfToChar GoRight      = '>'
-        bfToChar GoLeft       = '<'
-        bfToChar Increment    = '+'
-        bfToChar Decrement    = '-'
-        bfToChar Print        = '.'
-        bfToChar Read         = ','
-        bfToChar LoopL        = '['
-        bfToChar LoopR        = ']'
-        bfToChar (Comment c)  = c
+              bfToChar GoRight = '\128284'
+              bfToChar GoLeft = '\128281'
+              bfToChar Increment = '\128200'
+              bfToChar Decrement = '\128201'
+              bfToChar Print = '\128229'
+              bfToChar Read = '\128228'
+              bfToChar LoopL = '\127764'
+              bfToChar LoopR = '\127766'
 
+--         bfToChar (Comment c)  = c
+--
 data Tape a = Tape [a] -- Left of the pivot element
                     a  -- Pivot element
                    [a] -- Right of the pivot element
@@ -64,7 +64,7 @@ traceParens :: BFSource -> [Int]
 traceParens (BFSource bfs) = scanl accParens 0 bfs
 
 getMissingOpenError :: BFSource -> String
-getMissingOpenError (BFSource bfs) = 
+getMissingOpenError (BFSource bfs) =
     "Syntax Error:\n- Close parens without open paren: character " ++ index where
         index = (show . fromJust . findIndex (<0) $ scanl accParens 0 bfs)
 
@@ -89,7 +89,7 @@ parseBrainfuck = checkSyntax . BFSource . mapMaybe charToBF
             charToBF ']' = Just LoopR
             charToBF  c  = Just (Comment c)
 
-printBrainfuck :: Either String BFSource -> IO () 
+printBrainfuck :: Either String BFSource -> IO ()
 printBrainfuck (Left bfs)  = putStrLn bfs
 printBrainfuck (Right bfs) = putStrLn . show $ bfs
 
@@ -176,4 +176,4 @@ runFile filename = readFile filename >>= runBrainfuck . parseBrainfuck
 main = do
     args <- getArgs
     mapM runFile args
-  
\ No newline at end of file
+