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authorGravatar Adam Chlipala <adamc@hcoop.net>2008-07-29 15:43:17 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-07-29 15:43:17 -0400
commit846cf3f1661a8c91e40d80382db28c76dceaf1f0 (patch)
treefe42c0c78660d50832719e1ae9fd9cda2d7e603f /src/mono_env.sml
parentcb3b3831a07d6674a5fa02e3e8a1e4329b58cb34 (diff)
Storing datatype constructors in type references past monoize
Diffstat (limited to 'src/mono_env.sml')
-rw-r--r--src/mono_env.sml22
1 files changed, 11 insertions, 11 deletions
diff --git a/src/mono_env.sml b/src/mono_env.sml
index 00f31c16..3a6a20ba 100644
--- a/src/mono_env.sml
+++ b/src/mono_env.sml
@@ -36,32 +36,32 @@ exception UnboundRel of int
exception UnboundNamed of int
type env = {
- namedT : (string * typ option) IM.map,
+ datatypes : (string * (string * int * typ option) list) IM.map,
relE : (string * typ) list,
namedE : (string * typ * exp option * string) IM.map
}
val empty = {
- namedT = IM.empty,
+ datatypes = IM.empty,
relE = [],
namedE = IM.empty
}
-fun pushTNamed (env : env) x n co =
- {namedT = IM.insert (#namedT env, n, (x, co)),
+fun pushDatatype (env : env) x n xncs =
+ {datatypes = IM.insert (#datatypes env, n, (x, xncs)),
relE = #relE env,
namedE = #namedE env}
-fun lookupTNamed (env : env) n =
- case IM.find (#namedT env, n) of
+fun lookupDatatype (env : env) n =
+ case IM.find (#datatypes env, n) of
NONE => raise UnboundNamed n
| SOME x => x
fun pushERel (env : env) x t =
- {namedT = #namedT env,
+ {datatypes = #datatypes env,
relE = (x, t) :: #relE env,
namedE = #namedE env}
@@ -71,7 +71,7 @@ fun lookupERel (env : env) n =
handle Subscript => raise UnboundRel n
fun pushENamed (env : env) x n t eo s =
- {namedT = #namedT env,
+ {datatypes = #datatypes env,
relE = #relE env,
namedE = IM.insert (#namedE env, n, (x, t, eo, s))}
@@ -85,10 +85,10 @@ fun declBinds env (d, loc) =
case d of
DDatatype (x, n, xncs) =>
let
- val env = pushTNamed env x n NONE
+ val env = pushDatatype env x n xncs
in
- foldl (fn ((x', n', NONE), env) => pushENamed env x' n' (TNamed n, loc) NONE ""
- | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, (TNamed n, loc)), loc) NONE "")
+ foldl (fn ((x', n', NONE), env) => pushENamed env x' n' (TDatatype (n, xncs), loc) NONE ""
+ | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, (TDatatype (n, xncs), loc)), loc) NONE "")
env xncs
end
| DVal (x, n, t, e, s) => pushENamed env x n t (SOME e) s