| author | Christian Urban <urbanc@in.tum.de> | 
| Mon, 19 Nov 2018 22:16:25 +0000 | |
| changeset 602 | ae808113721d | 
| parent 600 | e47db4abb695 | 
| child 609 | ff17a6f694dd | 
| permissions | -rw-r--r-- | 
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 1 | |
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 2 | .class public fib.fib | 
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 3 | .super java/lang/Object | 
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 4 | |
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 5 | .method public <init>()V | 
| 600 | 6 | aload_0 | 
| 7 | invokenonvirtual java/lang/Object/<init>()V | |
| 8 | return | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 9 | .end method | 
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 10 | |
| 600 | 11 | .method public static write(I)V | 
| 12 | .limit locals 1 | |
| 13 | .limit stack 2 | |
| 14 | getstatic java/lang/System/out Ljava/io/PrintStream; | |
| 15 | iload 0 | |
| 16 | invokevirtual java/io/PrintStream/println(I)V | |
| 17 | return | |
| 207 
f824e1331fc6
added slides
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
93diff
changeset | 18 | .end method | 
| 
f824e1331fc6
added slides
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
93diff
changeset | 19 | |
| 600 | 20 | .method public static read()I | 
| 21 | .limit locals 10 | |
| 373 
b018234c9126
updated
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
323diff
changeset | 22 | .limit stack 10 | 
| 211 
deece8c6cf3a
added
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
208diff
changeset | 23 | |
| 600 | 24 | ldc 0 | 
| 25 | istore 1 ; this will hold our final integer | |
| 26 | Label1: | |
| 27 | getstatic java/lang/System/in Ljava/io/InputStream; | |
| 28 | invokevirtual java/io/InputStream/read()I | |
| 29 | istore 2 | |
| 30 | iload 2 | |
| 31 | ldc 10 ; the newline delimiter | |
| 32 | isub | |
| 33 | ifeq Label2 | |
| 34 | iload 2 | |
| 35 | ldc 32 ; the space delimiter | |
| 36 | isub | |
| 373 
b018234c9126
updated
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
323diff
changeset | 37 | ifeq Label2 | 
| 211 
deece8c6cf3a
added
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
208diff
changeset | 38 | |
| 600 | 39 | iload 2 | 
| 40 | ldc 48 ; we have our digit in ASCII, have to subtract it from 48 | |
| 41 | isub | |
| 42 | ldc 10 | |
| 43 | iload 1 | |
| 44 | imul | |
| 45 | iadd | |
| 46 | istore 1 | |
| 47 | goto Label1 | |
| 48 | Label2: | |
| 49 | ;when we come here we have our integer computed in local variable 1 | |
| 50 | iload 1 | |
| 51 | ireturn | |
| 211 
deece8c6cf3a
added
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
208diff
changeset | 52 | .end method | 
| 207 
f824e1331fc6
added slides
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: 
93diff
changeset | 53 | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 54 | .method public static main([Ljava/lang/String;)V | 
| 600 | 55 | .limit locals 200 | 
| 56 | .limit stack 200 | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 57 | |
| 600 | 58 | invokestatic fib/fib/read()I | 
| 59 | istore 0 | |
| 60 | ldc 0 | |
| 61 | istore 1 | |
| 62 | ldc 1 | |
| 63 | istore 2 | |
| 64 | ldc 0 | |
| 65 | istore 3 | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 66 | |
| 600 | 67 | Loop_begin_2: | 
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 68 | |
| 600 | 69 | ldc 0 | 
| 70 | iload 0 | |
| 71 | if_icmpge Loop_end_3 | |
| 72 | iload 2 | |
| 73 | istore 3 | |
| 74 | iload 1 | |
| 75 | iload 2 | |
| 76 | iadd | |
| 77 | istore 2 | |
| 78 | iload 3 | |
| 79 | istore 1 | |
| 80 | iload 0 | |
| 81 | ldc 1 | |
| 82 | isub | |
| 83 | istore 0 | |
| 84 | goto Loop_begin_2 | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 85 | |
| 600 | 86 | Loop_end_3: | 
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 87 | |
| 600 | 88 | iload 1 | 
| 89 | invokestatic fib/fib/write(I)V | |
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 90 | |
| 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 91 | |
| 600 | 92 | return | 
| 93 | ||
| 93 
4794759139ea
better organised
 Christian Urban <christian dot urban at kcl dot ac dot uk> parents: diff
changeset | 94 | .end method |