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1.class public LHelloWorldLambda;
2
3#Ye olde hello world application (with lambdas!)
4#To assemble and run this on a phone or emulator:
5#
6#java -jar smali.jar -o classes.dex HelloWorldLambda.smali HelloWorldFunctionalInterface.smali
7#zip HelloWorld.zip classes.dex
8#adb push HelloWorld.zip /data/local
9#adb shell dalvikvm -cp /data/local/HelloWorld.zip HelloWorld
10#
11#if you get out of memory type errors when running smali.jar, try
12#java -Xmx512m -jar smali.jar HelloWorldLambda.smali
13#instead
14
15.super Ljava/lang/Object;
16
17.method public static doHelloWorld(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
18    .registers 6 # 4 parameters, 2 locals
19    liberate-variable v0, p0, "helloworld"
20
21    sget-object v1, Ljava/lang/System;->out:Ljava/io/PrintStream;
22    invoke-virtual {v1, v0}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V
23
24    return-void
25.end method
26
27.method public static main([Ljava/lang/String;)V
28    .registers 9 # 1 parameter, 8 locals
29
30    sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;
31
32    const-string v1, "Hello World!"
33    const-string v2, "How" # vD
34    const-string v3, "are" # vE
35    const-string v4, "you" # vF
36    const-string v5, "doing?" # vG
37
38    capture-variable v1, "helloworld"
39
40    # TODO: do I need to pass the type of the lambda's functional interface here as a type id?
41    create-lambda v1, LHelloWorldLambda;->doHelloWorld(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
42    # Method descriptor is not required here, because only the single-abstract method is ever invoked.
43    invoke-lambda v1, {v2, v3, v4, v5}
44
45    box-lambda v6, v1
46    invoke-virtual {v6, v2, v3, v4, v5}, LHelloWorldFunctionalInterface;->applyFourStrings(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
47
48    # FIXME: should be \HelloWorldFunctionalInterface; instead of L...;
49
50    # TODO: do we really need the type descriptor here at all?
51    unbox-lambda v7, v6, LHelloWorldFunctionalInterface;
52    invoke-lambda v7, {v2, v3, v4, v5}
53
54    return-void
55.end method
56