| author | Christian Urban <urbanc@in.tum.de> | 
| Wed, 02 Oct 2019 14:05:36 +0100 | |
| changeset 645 | 8da29f6ef225 | 
| parent 624 | e50096adda15 | 
| child 675 | 27119b4a8d0f | 
| permissions | -rw-r--r-- | 
| 93 
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changeset | 1 | |
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changeset | 2 | .class public fib.fib | 
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changeset | 3 | .super java/lang/Object | 
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changeset | 4 | |
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changeset | 5 | .method public <init>()V | 
| 600 | 6 | aload_0 | 
| 7 | invokenonvirtual java/lang/Object/<init>()V | |
| 8 | return | |
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changeset | 9 | .end method | 
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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 | |
| 617 | 16 | invokevirtual java/io/PrintStream/println(I)V | 
| 600 | 17 | return | 
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changeset | 18 | .end method | 
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changeset | 19 | |
| 617 | 20 | .method public static read()I | 
| 21 | .limit locals 10 | |
| 22 | .limit stack 10 | |
| 23 | ||
| 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 | |
| 624 | 31 | ldc 10 ; the newline delimiter | 
| 617 | 32 | isub | 
| 33 | ifeq Label2 | |
| 34 | iload 2 | |
| 35 | ldc 32 ; the space delimiter | |
| 36 | isub | |
| 37 | ifeq Label2 | |
| 38 | ||
| 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: | |
| 624 | 49 | ;when we come here we have our integer computed in local variable 1 | 
| 50 | iload 1 | |
| 617 | 51 | ireturn | 
| 52 | .end method | |
| 53 | ||
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changeset | 54 | .method public static main([Ljava/lang/String;)V | 
| 600 | 55 | .limit locals 200 | 
| 56 | .limit stack 200 | |
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changeset | 57 | |
| 624 | 58 | ; COMPILED CODE STARTS | 
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changeset | 59 | |
| 624 | 60 | ldc 10 | 
| 61 | istore 0 | |
| 62 | ldc 0 | |
| 63 | istore 1 | |
| 64 | ldc 1 | |
| 65 | istore 2 | |
| 66 | ldc 0 | |
| 67 | istore 3 | |
| 68 | Loop_begin_0: | |
| 69 | ldc 0 | |
| 70 | iload 0 | |
| 71 | if_icmpge Loop_end_1 | |
| 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_0 | |
| 85 | Loop_end_1: | |
| 86 | iload 1 | |
| 87 | invokestatic fib/fib/write(I)V | |
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changeset | 88 | |
| 624 | 89 | ; COMPILED CODE ENDS | 
| 600 | 90 | return | 
| 91 | ||
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changeset | 92 | .end method |