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comparison src/mono_env.sml @ 188:8e9f97508f0d

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Datatype representation optimization
author Adam Chlipala <adamc@hcoop.net>
date Sun, 03 Aug 2008 19:49:21 -0400
parents c0ea24dcb86f
children 890a61991263
comparison
equal deleted inserted replaced
187:fb6ed259f5bd 188:8e9f97508f0d
96 fun declBinds env (d, loc) = 96 fun declBinds env (d, loc) =
97 case d of 97 case d of
98 DDatatype (x, n, xncs) => 98 DDatatype (x, n, xncs) =>
99 let 99 let
100 val env = pushDatatype env x n xncs 100 val env = pushDatatype env x n xncs
101 val dt = (TDatatype (MonoUtil.classifyDatatype xncs, n, xncs), loc)
101 in 102 in
102 foldl (fn ((x', n', NONE), env) => pushENamed env x' n' (TDatatype (n, xncs), loc) NONE "" 103 foldl (fn ((x', n', NONE), env) => pushENamed env x' n' dt NONE ""
103 | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, (TDatatype (n, xncs), loc)), loc) NONE "") 104 | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, dt), loc) NONE "")
104 env xncs 105 env xncs
105 end 106 end
106 | DVal (x, n, t, e, s) => pushENamed env x n t (SOME e) s 107 | DVal (x, n, t, e, s) => pushENamed env x n t (SOME e) s
107 | DValRec vis => foldl (fn ((x, n, t, e, s), env) => pushENamed env x n t NONE s) env vis 108 | DValRec vis => foldl (fn ((x, n, t, e, s), env) => pushENamed env x n t NONE s) env vis
108 | DExport _ => env 109 | DExport _ => env
110 fun patBinds env (p, loc) = 111 fun patBinds env (p, loc) =
111 case p of 112 case p of
112 PWild => env 113 PWild => env
113 | PVar (x, t) => pushERel env x t NONE 114 | PVar (x, t) => pushERel env x t NONE
114 | PPrim _ => env 115 | PPrim _ => env
115 | PCon (_, NONE) => env 116 | PCon (_, _, NONE) => env
116 | PCon (_, SOME p) => patBinds env p 117 | PCon (_, _, SOME p) => patBinds env p
117 | PRecord xps => foldl (fn ((_, p, _), env) => patBinds env p) env xps 118 | PRecord xps => foldl (fn ((_, p, _), env) => patBinds env p) env xps
118 119
119 end 120 end