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Letrec and letfun (#65)

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* Type check and compile letfuns

* Minor code simplification

* Remove let rec from Sophia
This commit is contained in:
Ulf Norell
2019-05-10 13:27:57 +02:00
committed by GitHub
parent 691ae72fbb
commit 23cc8e1132
13 changed files with 39 additions and 47 deletions
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src/aeso_parser.erl
+2 -4
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@@ -87,7 +87,7 @@ constructors() ->
sep1(constructor(), tok('|')).
constructor() -> %% TODO: format for Con() vs Con
choice(?RULE(con(), {constr_t, get_ann(_1), _1, []}),
choice(?RULE(con(), {constr_t, get_ann(_1), _1, []}),
?RULE(con(), con_args(), {constr_t, get_ann(_1), _1, _2})).
con_args() -> paren_list(con_arg()).
@@ -99,9 +99,7 @@ con_arg() -> choice(type(), ?RULE(keyword(indexed), type(), set_ann(indexed,
%% -- Let declarations -------------------------------------------------------
letdecl() ->
choice(
?RULE(keyword('let'), letdef(), set_pos(get_pos(_1), _2)),
?RULE(keyword('let'), tok(rec), sep1(letdef(), tok('and')), {letrec, _1, _3})).
?RULE(keyword('let'), letdef(), set_pos(get_pos(_1), _2)).
letdef() -> choice(valdef(), fundef()).