1.1 --- a/src/Tools/Code/code_haskell.ML Mon Jul 23 09:26:55 2012 +0200
1.2 +++ b/src/Tools/Code/code_haskell.ML Mon Jul 23 09:28:03 2012 +0200
1.3 @@ -303,6 +303,27 @@
1.4 modify_stmt = fn stmt => if select_stmt stmt then SOME stmt else NONE }
1.5 end;
1.6
1.7 +val prelude_import_operators = [
1.8 + "==", "/=", "<", "<=", ">=", ">", "+", "-", "*", "/", "**", ">>=", ">>", "=<<", "&&", "||", "^", "^^", ".", "$", "$!", "++", "!!"
1.9 +];
1.10 +
1.11 +val prelude_import_unqualified = [
1.12 + "Eq",
1.13 + "error",
1.14 + "id",
1.15 + "return",
1.16 + "not",
1.17 + "fst", "snd",
1.18 + "map", "filter", "concat", "concatMap", "reverse", "zip", "null", "takeWhile", "dropWhile", "all", "any",
1.19 + "Integer", "negate", "abs", "divMod",
1.20 + "String"
1.21 +];
1.22 +
1.23 +val prelude_import_unqualified_constr = [
1.24 + ("Bool", ["True", "False"]),
1.25 + ("Maybe", ["Nothing", "Just"])
1.26 +];
1.27 +
1.28 fun serialize_haskell module_prefix string_classes { labelled_name, reserved_syms,
1.29 includes, module_alias, class_syntax, tyco_syntax, const_syntax } program =
1.30 let
1.31 @@ -331,23 +352,28 @@
1.32 deresolve (if string_classes then deriving_show else K false);
1.33
1.34 (* print modules *)
1.35 - val import_includes_ps =
1.36 - map (fn (name, _) => str ("import qualified " ^ name ^ ";")) includes;
1.37 fun print_module_frame module_name ps =
1.38 (module_name, Pretty.chunks2 (
1.39 str ("module " ^ module_name ^ " where {")
1.40 :: ps
1.41 @| str "}"
1.42 ));
1.43 + fun print_qualified_import module_name = semicolon [str "import qualified", str module_name];
1.44 + val import_common_ps =
1.45 + enclose "import Prelude (" ");" (commas (map str
1.46 + (map (Library.enclose "(" ")") prelude_import_operators @ prelude_import_unqualified)
1.47 + @ map (fn (tyco, constrs) => (enclose (tyco ^ "(") ")" o commas o map str) constrs) prelude_import_unqualified_constr))
1.48 + :: print_qualified_import "Prelude"
1.49 + :: map (print_qualified_import o fst) includes;
1.50 fun print_module module_name (gr, imports) =
1.51 let
1.52 - val deresolve = deresolver module_name
1.53 + val deresolve = deresolver module_name;
1.54 fun print_import module_name = (semicolon o map str) ["import qualified", module_name];
1.55 - val import_ps = import_includes_ps @ map (print_import o fst) imports;
1.56 - fun print_stmt' gr name = case Graph.get_node gr name
1.57 + val import_ps = import_common_ps @ map (print_qualified_import o fst) imports;
1.58 + fun print_stmt' name = case Graph.get_node gr name
1.59 of (_, NONE) => NONE
1.60 | (_, SOME stmt) => SOME (markup_stmt name (print_stmt deresolve (name, stmt)));
1.61 - val body_ps = map_filter (print_stmt' gr) ((flat o rev o Graph.strong_conn) gr);
1.62 + val body_ps = map_filter print_stmt' ((flat o rev o Graph.strong_conn) gr);
1.63 in
1.64 print_module_frame module_name
1.65 ((if null import_ps then [] else [Pretty.chunks import_ps]) @ body_ps)
1.66 @@ -472,55 +498,8 @@
1.67 "import", "default", "forall", "let", "in", "class", "qualified", "data",
1.68 "newtype", "instance", "if", "then", "else", "type", "as", "do", "module"
1.69 ]
1.70 - #> fold (Code_Target.add_reserved target) [
1.71 - "Prelude", "Main", "Bool", "Maybe", "Either", "Ordering", "Char", "String", "Int",
1.72 - "Integer", "Float", "Double", "Rational", "IO", "Eq", "Ord", "Enum", "Bounded",
1.73 - "Num", "Real", "Integral", "Fractional", "Floating", "RealFloat", "Monad", "Functor",
1.74 - "AlreadyExists", "ArithException", "ArrayException", "AssertionFailed", "AsyncException",
1.75 - "BlockedOnDeadMVar", "Deadlock", "Denormal", "DivideByZero", "DotNetException", "DynException",
1.76 - "Dynamic", "EOF", "EQ", "EmptyRec", "ErrorCall", "ExitException", "ExitFailure",
1.77 - "ExitSuccess", "False", "GT", "HeapOverflow",
1.78 - "IOError", "IOException", "IllegalOperation",
1.79 - "IndexOutOfBounds", "Just", "Key", "LT", "Left", "LossOfPrecision", "NoMethodError",
1.80 - "NoSuchThing", "NonTermination", "Nothing", "Obj", "OtherError", "Overflow",
1.81 - "PatternMatchFail", "PermissionDenied", "ProtocolError", "RecConError", "RecSelError",
1.82 - "RecUpdError", "ResourceBusy", "ResourceExhausted", "Right", "StackOverflow",
1.83 - "ThreadKilled", "True", "TyCon", "TypeRep", "UndefinedElement", "Underflow",
1.84 - "UnsupportedOperation", "UserError", "abs", "absReal", "acos", "acosh", "all",
1.85 - "and", "any", "appendFile", "asTypeOf", "asciiTab", "asin", "asinh", "atan",
1.86 - "atan2", "atanh", "basicIORun", "blockIO", "boundedEnumFrom", "boundedEnumFromThen",
1.87 - "boundedEnumFromThenTo", "boundedEnumFromTo", "boundedPred", "boundedSucc", "break",
1.88 - "catch", "catchException", "ceiling", "compare", "concat", "concatMap", "const",
1.89 - "cos", "cosh", "curry", "cycle", "decodeFloat", "denominator", "div", "divMod",
1.90 - "doubleToRatio", "doubleToRational", "drop", "dropWhile", "either", "elem",
1.91 - "emptyRec", "encodeFloat", "enumFrom", "enumFromThen", "enumFromThenTo",
1.92 - "enumFromTo", "error", "even", "exp", "exponent", "fail", "filter", "flip",
1.93 - "floatDigits", "floatProperFraction", "floatRadix", "floatRange", "floatToRational",
1.94 - "floor", "fmap", "foldl", "foldl'", "foldl1", "foldr", "foldr1", "fromDouble",
1.95 - "fromEnum", "fromEnum_0", "fromInt", "fromInteger", "fromIntegral", "fromObj",
1.96 - "fromRational", "fst", "gcd", "getChar", "getContents", "getLine", "head",
1.97 - "id", "inRange", "index", "init", "intToRatio", "interact", "ioError", "isAlpha",
1.98 - "isAlphaNum", "isDenormalized", "isDigit", "isHexDigit", "isIEEE", "isInfinite",
1.99 - "isLower", "isNaN", "isNegativeZero", "isOctDigit", "isSpace", "isUpper", "iterate", "iterate'",
1.100 - "last", "lcm", "length", "lex", "lexDigits", "lexLitChar", "lexmatch", "lines", "log",
1.101 - "logBase", "lookup", "loop", "map", "mapM", "mapM_", "max", "maxBound", "maximum",
1.102 - "maybe", "min", "minBound", "minimum", "mod", "negate", "nonnull", "not", "notElem",
1.103 - "null", "numerator", "numericEnumFrom", "numericEnumFromThen", "numericEnumFromThenTo",
1.104 - "numericEnumFromTo", "odd", "or", "otherwise", "pi", "pred",
1.105 - "print", "product", "properFraction", "protectEsc", "putChar", "putStr", "putStrLn",
1.106 - "quot", "quotRem", "range", "rangeSize", "rationalToDouble", "rationalToFloat",
1.107 - "rationalToRealFloat", "read", "readDec", "readField", "readFieldName", "readFile",
1.108 - "readFloat", "readHex", "readIO", "readInt", "readList", "readLitChar", "readLn",
1.109 - "readOct", "readParen", "readSigned", "reads", "readsPrec", "realFloatToRational",
1.110 - "realToFrac", "recip", "reduce", "rem", "repeat", "replicate", "return", "reverse",
1.111 - "round", "scaleFloat", "scanl", "scanl1", "scanr", "scanr1", "seq", "sequence",
1.112 - "sequence_", "show", "showChar", "showException", "showField", "showList",
1.113 - "showLitChar", "showParen", "showString", "shows", "showsPrec", "significand",
1.114 - "signum", "signumReal", "sin", "sinh", "snd", "span", "splitAt", "sqrt", "subtract",
1.115 - "succ", "sum", "tail", "take", "takeWhile", "takeWhile1", "tan", "tanh", "threadToIOResult",
1.116 - "throw", "toEnum", "toInt", "toInteger", "toObj", "toRational", "truncate", "uncurry",
1.117 - "undefined", "unlines", "unsafeCoerce", "unsafeIndex", "unsafeRangeSize", "until", "unwords",
1.118 - "unzip", "unzip3", "userError", "words", "writeFile", "zip", "zip3", "zipWith", "zipWith3"
1.119 - ] (*due to weird handling of ':', we can't do anything else than to import *all* prelude symbols*);
1.120 + #> fold (Code_Target.add_reserved target) prelude_import_unqualified
1.121 + #> fold (Code_Target.add_reserved target o fst) prelude_import_unqualified_constr
1.122 + #> fold (fold (Code_Target.add_reserved target) o snd) prelude_import_unqualified_constr;
1.123
1.124 end; (*struct*)