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add pragma to check compiler version

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Ulf Norell
2019-09-27 17:31:10 +02:00
parent 7f86b7d301
commit dd94a6bd67
7 changed files with 77 additions and 3 deletions
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src/aeso_syntax.erl
+6 -1
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@@ -13,7 +13,7 @@
-export_type([ann_line/0, ann_col/0, ann_origin/0, ann_format/0, ann/0]).
-export_type([name/0, id/0, con/0, qid/0, qcon/0, tvar/0, op/0]).
-export_type([bin_op/0, un_op/0]).
-export_type([decl/0, letbind/0, typedef/0]).
-export_type([decl/0, letbind/0, typedef/0, pragma/0]).
-export_type([arg/0, field_t/0, constructor_t/0, named_arg_t/0]).
-export_type([type/0, constant/0, expr/0, arg_expr/0, field/1, stmt/0, alt/0, lvalue/0, elim/0, pat/0]).
-export_type([ast/0]).
@@ -36,11 +36,16 @@
-type decl() :: {contract, ann(), con(), [decl()]}
| {namespace, ann(), con(), [decl()]}
| {pragma, ann(), pragma()}
| {type_decl, ann(), id(), [tvar()]}
| {type_def, ann(), id(), [tvar()], typedef()}
| {fun_decl, ann(), id(), type()}
| letbind().
-type compiler_version() :: [non_neg_integer()].
-type pragma() :: {compiler, '==' | '<' | '>' | '=<' | '>=', compiler_version()}.
-type letbind()
:: {letval, ann(), id(), type(), expr()}
| {letfun, ann(), id(), [arg()], type(), expr()}.