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58 lines
2.2 KiB
Smali
58 lines
2.2 KiB
Smali
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.class public LHelloWorldLambda;
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#Ye olde hello world application (with lambdas!)
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#To assemble and run this on a phone or emulator:
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#
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#java -jar smali.jar -o classes.dex HelloWorldLambda.smali HelloWorldFunctionalInterface.smali
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#zip HelloWorld.zip classes.dex
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#adb push HelloWorld.zip /data/local
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#adb shell dalvikvm -cp /data/local/HelloWorld.zip HelloWorld
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#
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#if you get out of memory type errors when running smali.jar, try
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#java -Xmx512m -jar smali.jar HelloWorldLambda.smali
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#instead
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.super Ljava/lang/Object;
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.method public static main([Ljava/lang/String;)V
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.registers 9 # 1 parameter, 8 locals
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sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;
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const-string v1, "Hello World!"
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const-string v2, "How" # vD
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const-string v3, "are" # vE
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const-string v4, "you" # vF
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const-string v5, "doing?" # vG
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capture-variable v1, "helloworld"
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# TODO: do I need to pass the type of the lambda's functional interface here as a type id?
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create-lambda v1, LHelloWorldLambda;->doHelloWorld(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
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# Method descriptor is not required here, because only the single-abstract method is ever invoked.
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invoke-lambda v1, {v2, v3, v4, v5}
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box-lambda v6, v1 # The type of v6 is now 'LHelloWorldFunctionalInterface;'
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invoke-virtual {v6, v2, v3, v4, v5}, LHelloWorldFunctionalInterface;->applyFourStrings(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
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# FIXME: should be \HelloWorldFunctionalInterface; instead of L...;
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# TODO: do we really need the type descriptor here at all?
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unbox-lambda v7, v6, LHelloWorldFunctionalInterface; # The type of v7 is now \HelloWorldFunctionalInterface;
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invoke-lambda v7, {v2, v3, v4, v5}
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return-void
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.end method
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.method public static doHelloWorld(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
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.registers 6 # 4 parameters, 2 locals
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# This helloworld variable is brought to you by the variable liberation front
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liberate-variable v0, p0, "helloworld"
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sget-object v1, Ljava/lang/System;->out:Ljava/io/PrintStream;
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invoke-virtual {v1, v0}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V
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return-void
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.end method
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