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comparison src/mono_shake.sml @ 1073:b2311dfb3158

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Initializers and setval
author Adam Chlipala <adamc@hcoop.net>
date Sun, 13 Dec 2009 14:20:41 -0500
parents d8f58d488cfb
children 0657e5adc938
comparison
equal deleted inserted replaced
1072:9001966ae1c8 1073:b2311dfb3158
41 exp : IS.set 41 exp : IS.set
42 } 42 }
43 43
44 fun shake file = 44 fun shake file =
45 let 45 let
46 val page_es = List.foldl 46 val usedVars = U.Exp.fold {typ = fn (c, st as (cs, es)) =>
47 (fn ((DExport (_, _, n, _, _), _), page_es) => n :: page_es 47 case c of
48 | ((DDatabase {expunge = n1, initialize = n2, ...}, _), page_es) => n1 :: n2 :: page_es 48 TDatatype (n, _) => (IS.add (cs, n), es)
49 | (_, page_es) => page_es) [] file 49 | _ => st,
50 exp = fn (e, st as (cs, es)) =>
51 case e of
52 ENamed n => (cs, IS.add (es, n))
53 | _ => st}
54
55 val (page_cs, page_es) =
56 List.foldl
57 (fn ((DExport (_, _, n, _, _), _), (page_cs, page_es)) => (page_cs, IS.add (page_es, n))
58 | ((DDatabase {expunge = n1, initialize = n2, ...}, _), (page_cs, page_es)) =>
59 (page_cs, IS.addList (page_es, [n1, n2]))
60 | ((DInitializer e, _), st) => usedVars st e
61 | (_, st) => st) (IS.empty, IS.empty) file
50 62
51 val (cdef, edef) = foldl (fn ((DDatatype dts, _), (cdef, edef)) => 63 val (cdef, edef) = foldl (fn ((DDatatype dts, _), (cdef, edef)) =>
52 (foldl (fn ((_, n, xncs), cdef) => IM.insert (cdef, n, xncs)) cdef dts, edef) 64 (foldl (fn ((_, n, xncs), cdef) => IM.insert (cdef, n, xncs)) cdef dts, edef)
53 | ((DVal (_, n, t, e, _), _), (cdef, edef)) => 65 | ((DVal (_, n, t, e, _), _), (cdef, edef)) =>
54 (cdef, IM.insert (edef, n, (t, e))) 66 (cdef, IM.insert (edef, n, (t, e)))
59 | ((DSequence _, _), acc) => acc 71 | ((DSequence _, _), acc) => acc
60 | ((DView _, _), acc) => acc 72 | ((DView _, _), acc) => acc
61 | ((DDatabase _, _), acc) => acc 73 | ((DDatabase _, _), acc) => acc
62 | ((DJavaScript _, _), acc) => acc 74 | ((DJavaScript _, _), acc) => acc
63 | ((DCookie _, _), acc) => acc 75 | ((DCookie _, _), acc) => acc
64 | ((DStyle _, _), acc) => acc) 76 | ((DStyle _, _), acc) => acc
77 | ((DInitializer _, _), acc) => acc)
65 (IM.empty, IM.empty) file 78 (IM.empty, IM.empty) file
66 79
67 fun typ (c, s) = 80 fun typ (c, s) =
68 case c of 81 case c of
69 TDatatype (n, _) => 82 TDatatype (n, _) =>
102 end 115 end
103 | _ => s 116 | _ => s
104 117
105 and shakeExp s = U.Exp.fold {typ = typ, exp = exp} s 118 and shakeExp s = U.Exp.fold {typ = typ, exp = exp} s
106 119
107 val s = {con = IS.empty, exp = IS.addList (IS.empty, page_es)} 120 val s = {con = page_cs, exp = page_es}
108 121
109 val s = foldl (fn (n, s) => 122 val s = IS.foldl (fn (n, s) =>
110 case IM.find (edef, n) of 123 case IM.find (cdef, n) of
111 NONE => raise Fail "Shake: Couldn't find 'val'" 124 NONE => raise Fail "MonoShake: Couldn't find 'datatype'"
112 | SOME (t, e) => shakeExp s e) s page_es 125 | SOME xncs => foldl (fn ((_, _, SOME c), s) => shakeTyp s c
126 | _ => s) s xncs) s page_cs
127
128 val s = IS.foldl (fn (n, s) =>
129 case IM.find (edef, n) of
130 NONE => raise Fail "MonoShake: Couldn't find 'val'"
131 | SOME (t, e) => shakeExp s e) s page_es
113 in 132 in
114 List.filter (fn (DDatatype dts, _) => List.exists (fn (_, n, _) => IS.member (#con s, n)) dts 133 List.filter (fn (DDatatype dts, _) => List.exists (fn (_, n, _) => IS.member (#con s, n)) dts
115 | (DVal (_, n, _, _, _), _) => IS.member (#exp s, n) 134 | (DVal (_, n, _, _, _), _) => IS.member (#exp s, n)
116 | (DValRec vis, _) => List.exists (fn (_, n, _, _, _) => IS.member (#exp s, n)) vis 135 | (DValRec vis, _) => List.exists (fn (_, n, _, _, _) => IS.member (#exp s, n)) vis
117 | (DExport _, _) => true 136 | (DExport _, _) => true
119 | (DSequence _, _) => true 138 | (DSequence _, _) => true
120 | (DView _, _) => true 139 | (DView _, _) => true
121 | (DDatabase _, _) => true 140 | (DDatabase _, _) => true
122 | (DJavaScript _, _) => true 141 | (DJavaScript _, _) => true
123 | (DCookie _, _) => true 142 | (DCookie _, _) => true
124 | (DStyle _, _) => true) file 143 | (DStyle _, _) => true
144 | (DInitializer _, _) => true) file
125 end 145 end
126 146
127 end 147 end