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authorGravatar Adam Chlipala <adamc@hcoop.net>2008-07-29 14:28:44 -0400
committerGravatar Adam Chlipala <adamc@hcoop.net>2008-07-29 14:28:44 -0400
commit6855e4766fa8d07e2f3e3cd468de6c58fed0c903 (patch)
tree4098c6f3f8d9bacfe652f2b210ede504a9a5d4e9 /src/cjr_env.sml
parent166bccac16d35d8a4b75a4c04c7479b389a81c4f (diff)
Start of unurlify for datatypes
Diffstat (limited to 'src/cjr_env.sml')
-rw-r--r--src/cjr_env.sml24
1 files changed, 12 insertions, 12 deletions
diff --git a/src/cjr_env.sml b/src/cjr_env.sml
index 0d34b98f..88d7972f 100644
--- a/src/cjr_env.sml
+++ b/src/cjr_env.sml
@@ -38,7 +38,7 @@ exception UnboundF of int
exception UnboundStruct of int
type env = {
- namedT : (string * typ option) IM.map,
+ datatypes : (string * (string * int * typ option) list) IM.map,
numRelE : int,
relE : (string * typ) list,
@@ -48,7 +48,7 @@ type env = {
}
val empty = {
- namedT = IM.empty,
+ datatypes = IM.empty,
numRelE = 0,
relE = [],
@@ -57,8 +57,8 @@ val empty = {
structs = 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)),
numRelE = #numRelE env,
relE = #relE env,
@@ -66,13 +66,13 @@ fun pushTNamed (env : env) x n co =
structs = #structs 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,
numRelE = #numRelE env + 1,
relE = (x, t) :: #relE env,
@@ -89,7 +89,7 @@ fun countERels (env : env) = #numRelE env
fun listERels (env : env) = #relE env
fun pushENamed (env : env) x n t =
- {namedT = #namedT env,
+ {datatypes = #datatypes env,
numRelE = #numRelE env,
relE = #relE env,
@@ -103,7 +103,7 @@ fun lookupENamed (env : env) n =
| SOME x => x
fun pushStruct (env : env) n xts =
- {namedT = #namedT env,
+ {datatypes = #datatypes env,
numRelE = #numRelE env,
relE = #relE env,
@@ -120,10 +120,10 @@ 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)
- | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, (TNamed n, loc)), loc))
+ foldl (fn ((x', n', NONE), env) => pushENamed env x' n' (TDatatype n, loc)
+ | ((x', n', SOME t), env) => pushENamed env x' n' (TFun (t, (TDatatype n, loc)), loc))
env xncs
end
| DStruct (n, xts) => pushStruct env n xts