X-Git-Url: http://git.joshuawise.com/snipe.git/blobdiff_plain/141a7120aec6ddf3ab097f275498d8e3a1b90401..e63d3705454c62fd1eff1c0c9cd78f042e621fbc:/trans/trans.sml diff --git a/trans/trans.sml b/trans/trans.sml index d8807f0..ec66fd5 100644 --- a/trans/trans.sml +++ b/trans/trans.sml @@ -97,7 +97,9 @@ struct fun trans_exp env vartypes (A.Var(id)) = (* after type-checking, id must be declared; do not guard lookup *) T.TEMP (Symbol.look' env id) + | trans_exp env vartypes (A.Cast (ty, e)) = trans_exp env vartypes e (* lurrr *) | trans_exp env vartypes (A.ConstExp c) = T.CONST(c) + | trans_exp env vartypes (A.StringExp s) = T.STRING(Stringref.new s) | trans_exp env vartypes (A.OpExp(oper, [e1, e2])) = T.BINOP(trans_oper oper, trans_exp env vartypes e1, trans_exp env vartypes e2) | trans_exp env vartypes (A.OpExp(oper, [e])) = @@ -129,8 +131,12 @@ struct | trans_exp env vartypes (A.ArrIndex(exp1, exp2)) = let val asubk = T.BINOP(T.ADD, trans_exp env vartypes exp1, - T.BINOP(T.MUL, trans_exp env vartypes exp2, - T.CONST(Word32.fromInt(sizeof (deref (typeof' vartypes exp1)))))) + if sizeof (deref (typeof' vartypes exp1)) = 1 + then trans_exp env vartypes exp2 + else T.BINOP(T.MUL, trans_exp env vartypes exp2, + T.CONST(Word32.fromInt(sizeof (deref (typeof' vartypes exp1)))) + ) + ) val tipo = deref (typeof' vartypes exp1) val d = if not (Flag.isset Flags.safe) @@ -160,7 +166,9 @@ struct end | trans_exp env vartypes (A.NewArr(tipo, exp)) = let - val size = T.BINOP(T.MUL, trans_exp env vartypes exp, T.CONST(Word32.fromInt(sizeof tipo))) + val size = if (sizeof tipo) = 1 + then trans_exp env vartypes exp + else T.BINOP(T.MUL, trans_exp env vartypes exp, T.CONST(Word32.fromInt(sizeof tipo))) val t1 = T.TEMP (Temp.new "allocated address") val ts = T.TEMP (Temp.new "size") in