-(* L1 Compiler
+(* L3 Compiler
* IR Trees
* Author: Kaustuv Chaudhuri <kaustuv+@cs.cmu.edu>
* Modified: Alex Vaynberg <alv@andrew.cmu.edu>
* Modified: Frank Pfenning <fp@cs.cmu.edu>
+ * Modified: Joshua Wise <jwise>
+ * Modified: Chris Lu <czl>
*)
signature TREE =
sig
+ datatype binop = ADD | SUB | MUL | DIV | MOD | LSH | RSH | LOGOR | LOGAND | BITOR | BITAND | BITXOR | NEQ | EQ | LT | GT | LE | GE | BE
+ datatype unop = NEG | BITNOT | BANG
- datatype binop = ADD | SUB | MUL | DIV | MOD
+ type Blarg = int
datatype exp =
CONST of Word32.word
| TEMP of Temp.temp
+ | ARG of Blarg (* I am j4cbo *)
| BINOP of binop * exp * exp
+ | UNOP of unop * exp
+ | CALL of Ast.ident * exp list
+ | MEMORY of exp
+ | ALLOC of exp
+ | STRING of Stringref.stringref
+ | COND of exp * exp * exp
+ | STMVAR of stm list * exp
+ | NULLPTR
and stm =
MOVE of exp * exp
| RETURN of exp
+ | EFFECT of exp
+ | LABEL of Label.label
+ | JUMPIFN of exp * Label.label
+ | JUMP of Label.label
+ and func =
+ FUNCTION of Ast.ident * stm list
- type program = stm list
-
- structure Print :
- sig
- val pp_exp : exp -> string
- val pp_stm : stm -> string
- val pp_program : program -> string
- end
+ type program = func list
end
structure Tree :> TREE =
struct
+ datatype binop = ADD | SUB | MUL | DIV | MOD | LSH | RSH | LOGOR | LOGAND | BITOR | BITAND | BITXOR | NEQ | EQ | LT | GT | LE | GE | BE
+ datatype unop = NEG | BITNOT | BANG
- datatype binop = ADD | SUB | MUL | DIV | MOD
+ type Blarg = int
datatype exp =
CONST of Word32.word
| TEMP of Temp.temp
+ | ARG of Blarg (* I am j4cbo *)
| BINOP of binop * exp * exp
+ | UNOP of unop * exp
+ | CALL of Ast.ident * exp list
+ | MEMORY of exp
+ | ALLOC of exp
+ | STRING of Stringref.stringref
+ | COND of exp * exp * exp
+ | STMVAR of stm list * exp
+ | NULLPTR
and stm =
MOVE of exp * exp
| RETURN of exp
+ | EFFECT of exp
+ | LABEL of Label.label
+ | JUMPIFN of exp * Label.label
+ | JUMP of Label.label
+ and func =
+ FUNCTION of Ast.ident * stm list
- type program = stm list
-
- structure Print =
- struct
-
- fun pp_binop ADD = "+"
- | pp_binop SUB = "-"
- | pp_binop MUL = "*"
- | pp_binop DIV = "/"
- | pp_binop MOD = "%"
-
- fun pp_exp (CONST(x)) = Word32Signed.toString x
- | pp_exp (TEMP(t)) = Temp.name t
- | pp_exp (BINOP (binop, e1, e2)) =
- "(" ^ pp_exp e1 ^ " " ^ pp_binop binop ^ " " ^ pp_exp e2 ^ ")"
-
- fun pp_stm (MOVE (e1,e2)) =
- pp_exp e1 ^ " <-- " ^ pp_exp e2
- | pp_stm (RETURN e) =
- "return " ^ pp_exp e
-
- fun pp_program (nil) = ""
- | pp_program (stm::stms) = pp_stm stm ^ "\n" ^ pp_program stms
- end
+ type program = func list
end