1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
| ; Jassmin assembly code
; MiniC v. 1.0
.class public factorial
.super java/lang/Object
.method static <clinit>()V
.limit stack 1
.limit locals 0
return
.end method
.method public <init>()V
.limit stack 1
.limit locals 1
.var 0 is this Lfactorial; from Label0 to Label1
Label0:
aload_0
invokespecial java/lang/Object/<init>()V
Label1:
return
.end method
.method public factorial(I)I
Label0:
; IfStmt, line 8
iload_1
iconst_0
if_icmpeq Label2
iconst_0
goto Label3
Label2:
iconst_1
Label3:
ifeq Label4
; AssignStmt, line 6
iconst_1
istore_2
goto Label5
Label4:
; AssignStmt, line 8
iload_1
; CallExpr
; "this"-pointer is the first ActualParam with instance methods:
aload_0
; ActualParam
iload_1
iconst_1
isub
invokevirtual factorial/factorial(I)I
imul
istore_2
Label5:
; ReturnStmt, line 9
iload_2
ireturn
Label1:
.limit locals 3
.limit stack 150
.end method
.method public static main([Ljava/lang/String;)V
Label0:
new factorial
dup
invokespecial factorial/<init>()V
astore_1
; CallStmt, line 13
; CallExpr
; ActualParam
; CallExpr
; "this"-pointer is the first ActualParam with instance methods:
aload_1
; ActualParam
iconst_5
invokevirtual factorial/factorial(I)I
invokestatic lang/System/putInt(I)V
; CallStmt, line 14
; CallExpr
invokestatic lang/System/putLn()V
Label1:
return
.limit locals 2
.limit stack 150
.end method
|