]> Joshua Wise's Git repositories - snipe.git/blame_incremental - trans/tree.sml
Add cast syntax.
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1(* L3 Compiler
2 * IR Trees
3 * Author: Kaustuv Chaudhuri <kaustuv+@cs.cmu.edu>
4 * Modified: Alex Vaynberg <alv@andrew.cmu.edu>
5 * Modified: Frank Pfenning <fp@cs.cmu.edu>
6 * Modified: Joshua Wise <jwise>
7 * Modified: Chris Lu <czl>
8 *)
9
10signature TREE =
11sig
12 datatype binop = ADD | SUB | MUL | DIV | MOD | LSH | RSH | LOGOR | LOGAND | BITOR | BITAND | BITXOR | NEQ | EQ | LT | GT | LE | GE | BE
13 datatype unop = NEG | BITNOT | BANG
14
15 type Blarg = int
16
17 datatype exp =
18 CONST of Word32.word
19 | TEMP of Temp.temp
20 | ARG of Blarg (* I am j4cbo *)
21 | BINOP of binop * exp * exp
22 | UNOP of unop * exp
23 | CALL of Ast.ident * exp list
24 | MEMORY of exp
25 | ALLOC of exp
26 | STRING of Stringref.stringref
27 | COND of exp * exp * exp
28 | STMVAR of stm list * exp
29 | NULLPTR
30 and stm =
31 MOVE of exp * exp
32 | RETURN of exp
33 | EFFECT of exp
34 | LABEL of Label.label
35 | JUMPIFN of exp * Label.label
36 | JUMP of Label.label
37 and func =
38 FUNCTION of Ast.ident * stm list
39
40 type program = func list
41end
42
43structure Tree :> TREE =
44struct
45 datatype binop = ADD | SUB | MUL | DIV | MOD | LSH | RSH | LOGOR | LOGAND | BITOR | BITAND | BITXOR | NEQ | EQ | LT | GT | LE | GE | BE
46 datatype unop = NEG | BITNOT | BANG
47
48 type Blarg = int
49
50 datatype exp =
51 CONST of Word32.word
52 | TEMP of Temp.temp
53 | ARG of Blarg (* I am j4cbo *)
54 | BINOP of binop * exp * exp
55 | UNOP of unop * exp
56 | CALL of Ast.ident * exp list
57 | MEMORY of exp
58 | ALLOC of exp
59 | STRING of Stringref.stringref
60 | COND of exp * exp * exp
61 | STMVAR of stm list * exp
62 | NULLPTR
63 and stm =
64 MOVE of exp * exp
65 | RETURN of exp
66 | EFFECT of exp
67 | LABEL of Label.label
68 | JUMPIFN of exp * Label.label
69 | JUMP of Label.label
70 and func =
71 FUNCTION of Ast.ident * stm list
72
73 type program = func list
74end
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