The precedence of reserved symbols and predefined tokens was different in Haskell and OCaml versions. #166
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…n Haskell version.
-- The following file produces different results in Haskell and OCaml
versions.
{-
% bnfc -m -ocaml A.cf
% make
% echo ":a" | ./TestA
[Abstract syntax]
MyId (MyIdent ":a")
[Linearized tree]
:a
% bnfc -m -haskell A.cf
% make
% echo ":a" | ./TestA
Parse Successful!
[Abstract Syntax]
Keyword
[Linearized tree]
:a
-}
Keyword. Exp ::= ":a" ;
MyId. Exp ::= MyIdent ;
token MyIdent (':' letter)
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-- I fixed the order in the OCaml backend.
-- The following file produces different results in Haskell and OCaml
versions.
{-
% bnfc -m -ocaml A.cf
% make
% echo ":a" | ./TestA
[Abstract syntax]
MyId (MyIdent ":a")
[Linearized tree]
:a
% bnfc -m -haskell A.cf
% make
% echo ":a" | ./TestA
Parse Successful!
[Abstract Syntax]
Keyword
[Linearized tree]
:a
-}
Keyword. Exp ::= ":a" ;
MyId. Exp ::= MyIdent ;
token MyIdent (':' letter)