struct/struct.icl

   1 module struct
   2
   3 import StdEnv
   4 import StdGeneric
   5 import StdDebug
   6
   7 import Text
   8
   9 import Data.Functor
  10 import Control.Applicative
  11
  12 toEnumValue :: GenericConsDescriptor -> String
  13 toEnumValue gcd = gcd.gcd_type_def.gtd_name +++ "_" +++ gcd.gcd_name
  14
  15 toEnumType :: GenericTypeDefDescriptor -> String
  16 toEnumType gtd = "enum cleanc_" +++ gtd.gtd_name
  17
  18 class gGenerateC a | gToCType{|*|}, gToCValue{|*|}, gToCEnums{|*|} a
  19
  20 :: CInfo a = {header :: String , toValue :: a -> String}
  21
  22 generateCInfo :: CInfo a | gGenerateC a
  23 generateCInfo =
  24         let
  25                 (CEnums enums) = cast res gToCEnums{|*|}
  26                 (SM types) = cast res gToCType{|*|}
  27                 res =
  28                         { header = concat
  29                                 [ join "\n" (removeDup (sort enums))
  30                                 , "\n\n"
  31                                 , concat (types {fresh=0,inRecord=False,indent=0} [])
  32                                 , ";"
  33                                 ]
  34                         , toValue = \a->concat (gToCValue{|*|} a [])
  35                         }
  36         in res
  37 where
  38         cast :: (v a) -> ((w a) -> w a)
  39         cast _ = id
  40
  41 generic gToCType a :: Structmaker a
  42 :: Structmaker a = SM (SData [String] -> [String]) | StructMakerOnzin a
  43 :: SData = {indent :: Int, fresh :: Int, inRecord :: Bool}
  44 indent s c = [createArray s.indent '\t':c]
  45 show str s c = indent s [str:c]
  46
  47 gToCType{|Int|}  = SM (show "uint64_t")
  48 gToCType{|Real|} = SM (show "double")
  49 gToCType{|Bool|} = SM (show "bool")
  50 gToCType{|UNIT|} = SM \_->id
  51 gToCType{|EITHER|} (SM fl) (SM fr) = SM \s->fl s o fr s
  52 gToCType{|PAIR|} (SM fl) (SM fr)
  53          = SM \s c
  54                 | s.inRecord = fl s (fr s c)
  55                 = fl s [" f", toString s.fresh, ";\n":fr {s & fresh=s.fresh+1} c]
  56 gToCType{|OBJECT of gtd|} (SM f)
  57         //Newtype
  58         | gtd.gtd_num_conses == 0 = SM f
  59         = SM \s c
  60                 //Enumeration (no data)
  61                 | and [gcd.gcd_arity == 0\\gcd<-gtd.gtd_conses] = indent s [toEnumType gtd:c]
  62                 //Regular ADTs
  63                 # s` = {s & indent = s.indent + 1}
  64                 = indent s ["struct clean_", gtd.gtd_name, " {\n":
  65                         indent s` [toEnumType gtd, " cons;\n":
  66                         indent s` ["union {\n":
  67                         f {s` & indent=s`.indent+1, inRecord=False} (indent s` ["} data;\n":
  68                         indent s ["}":c]])]]]
  69 gToCType{|CONS of gcd|} (SM f)
  70         //No data field
  71         | gcd.gcd_arity == 0 = SM \_->id
  72         //Only one data field
  73         | gcd.gcd_arity == 1 = SM \s c->f s [" ", gcd.gcd_name, ";\n":c]
  74         = SM \s c->indent s ["struct {\n":f {s & indent=s.indent+1} [" f", toString (gcd.gcd_arity - 1), ";\n":indent s ["} ", gcd.gcd_name, ";\n":c]]]
  75 gToCType{|RECORD of grd|} (SM f)
  76         = SM \s c->indent s ["struct clean_", grd.grd_name, " {\n": f {s & indent=s.indent+1, inRecord=True} (indent s ["}":c])]
  77 gToCType{|FIELD of gfd|} (SM f) = SM \s c->f s [" ", gfd.gfd_name,";\n":c]
  78
  79 :: CEnums a = CEnums [String] | CEnumsOnzin a
  80 generic gToCEnums a :: CEnums a
  81 gToCEnums{|a|} = CEnums []
  82 gToCEnums{|UNIT|} = CEnums []
  83 gToCEnums{|EITHER|} (CEnums fl) (CEnums fr) = CEnums (fl ++ fr)
  84 gToCEnums{|PAIR|} (CEnums fl) (CEnums fr) = CEnums (fl ++ fr)
  85 gToCEnums{|OBJECT of gtd|} (CEnums f) = CEnums [concat [toEnumType gtd, " {", join ", " (map toEnumValue gtd.gtd_conses), "};"]:f]
  86 gToCEnums{|CONS|} (CEnums f) = CEnums f
  87 gToCEnums{|RECORD|} (CEnums f) = CEnums f
  88 gToCEnums{|FIELD|} (CEnums f) = CEnums f
  89
  90 generic gToCValue a :: a [String] -> [String]
  91 gToCValue{|Int|} i c = [toString i:c]
  92 gToCValue{|Real|} r c = [toString r:c]
  93 gToCValue{|Bool|} b c = [if b "true" "false":c]
  94 gToCValue{|UNIT|} _ _ = []
  95 gToCValue{|EITHER|} fl _ (LEFT l) c = fl l c
  96 gToCValue{|EITHER|} _ fr (RIGHT l) c = fr l c
  97 gToCValue{|PAIR|} fl fr (PAIR l r) c = fl l [", ":fr r c]
  98 gToCValue{|OBJECT of gtd|} f (OBJECT a) c
  99         //Newtype
 100         | gtd.gtd_num_conses == 0 = f a c
 101         | and [gcd.gcd_arity == 0\\gcd<-gtd.gtd_conses] = f a c
 102         = ["{":f a ["}":c]]
 103 gToCValue{|CONS of gcd|} f (CONS a) c
 104         //No data field
 105         | gcd.gcd_arity == 0 = [toEnumValue gcd:c]
 106         | gcd.gcd_arity == 1 = [" .cons=",toEnumValue gcd,", .data.",gcd.gcd_name,"=":f a c]
 107         = [" .cons=",toEnumValue gcd,", .data.",gcd.gcd_name,"={":f a ["} ":c]]
 108 gToCValue{|RECORD|} f (RECORD a) c = ["{":f a ["}":c]]
 109 gToCValue{|FIELD of gfd|} f (FIELD a) c = [" .", gfd.gfd_name, "=": f a c]
 110
 111 :: DHTDetails
 112         = DHT Int Bool
 113         | SHT Addr
 114         | XXX Int Int Int
 115         | XXY Int Int DHTType
 116
 117 :: Addr =: Addr Int
 118
 119 :: DHTType = DHT11 | DHT12 | DHT22
 120
 121 derive class gGenerateC DHTDetails, DHTType, Addr, Record
 122
 123 Start :: CInfo Record
 124 Start = generateCInfo
 125
 126 :: Record =
 127         { field1 :: Int
 128         , field2 :: Bool
 129         , field3 :: DHTType
 130         , field4 :: DHTDetails
 131         }