Mercurial > urweb
comparison src/cjr_env.sml @ 196:890a61991263
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author | Adam Chlipala <adamc@hcoop.net> |
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date | Sat, 09 Aug 2008 16:48:32 -0400 |
parents | 8e9f97508f0d |
children | 42dfb0d61cf0 |
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195:85b5f663bb86 | 196:890a61991263 |
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138 fun declBinds env (d, loc) = | 138 fun declBinds env (d, loc) = |
139 case d of | 139 case d of |
140 DDatatype (_, x, n, xncs) => | 140 DDatatype (_, x, n, xncs) => |
141 let | 141 let |
142 val env = pushDatatype env x n xncs | 142 val env = pushDatatype env x n xncs |
143 val dt = (TDatatype (classifyDatatype xncs, n, xncs), loc) | 143 val dt = (TDatatype (classifyDatatype xncs, n, ref xncs), loc) |
144 in | 144 in |
145 foldl (fn ((x', n', NONE), env) => pushENamed env x' n' dt | 145 foldl (fn ((x', n', NONE), env) => pushENamed env x' n' dt |
146 | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, dt), loc)) | 146 | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, dt), loc)) |
147 env xncs | 147 env xncs |
148 end | 148 end |
149 | DDatatypeForward (_, x, n) => pushDatatype env x n [] | |
149 | DStruct (n, xts) => pushStruct env n xts | 150 | DStruct (n, xts) => pushStruct env n xts |
150 | DVal (x, n, t, _) => pushENamed env x n t | 151 | DVal (x, n, t, _) => pushENamed env x n t |
151 | DFun (fx, n, args, ran, _) => | 152 | DFun (fx, n, args, ran, _) => |
152 let | 153 let |
153 val t = foldl (fn ((_, arg), t) => (TFun (arg, t), loc)) ran args | 154 val t = foldl (fn ((_, arg), t) => (TFun (arg, t), loc)) ran args |