94 lines
3.2 KiB
Smali
94 lines
3.2 KiB
Smali
#
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# Copyright (C) 2015 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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.class public LTrivialHelloWorld;
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.super Ljava/lang/Object;
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.method public constructor <init>()V
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.registers 1
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invoke-direct {p0}, Ljava/lang/Object;-><init>()V
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return-void
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.end method
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.method public static run()V
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.registers 8
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# Trivial 0-arg hello world
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create-lambda v0, LTrivialHelloWorld;->doHelloWorld(J)V
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# TODO: create-lambda should not write to both v0 and v1
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invoke-lambda v0, {}
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# Slightly more interesting 4-arg hello world
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create-lambda v2, doHelloWorldArgs(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
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# TODO: create-lambda should not write to both v2 and v3
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const-string v4, "A"
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const-string v5, "B"
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const-string v6, "C"
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const-string v7, "D"
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invoke-lambda v2, {v4, v5, v6, v7}
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invoke-static {}, LTrivialHelloWorld;->testFailures()V
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return-void
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.end method
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#TODO: should use a closure type instead of jlong.
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.method public static doHelloWorld(J)V
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.registers 5 # 1 wide parameters, 3 locals
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const-string v0, "Hello world! (0-args, no closure)"
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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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#TODO: should use a closure type instead of jlong.
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.method public static doHelloWorldArgs(JLjava/lang/String;Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V
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.registers 9 # 1 wide parameter, 4 narrow parameters, 3 locals
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const-string v0, " Hello world! (4-args, no closure)"
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sget-object v1, Ljava/lang/System;->out:Ljava/io/PrintStream;
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invoke-virtual {v1, p2}, Ljava/io/PrintStream;->print(Ljava/lang/String;)V
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invoke-virtual {v1, p3}, Ljava/io/PrintStream;->print(Ljava/lang/String;)V
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invoke-virtual {v1, p4}, Ljava/io/PrintStream;->print(Ljava/lang/String;)V
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invoke-virtual {v1, p5}, Ljava/io/PrintStream;->print(Ljava/lang/String;)V
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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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# Test exceptions are thrown as expected when used opcodes incorrectly
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.method private static testFailures()V
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.registers 4 # 0 parameters, 4 locals
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const v0, 0 # v0 = null
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const v1, 0 # v1 = null
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:start
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invoke-lambda v0, {} # invoking a null lambda shall raise an NPE
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:end
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return-void
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:handler
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const-string v2, "Caught NPE"
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sget-object v3, Ljava/lang/System;->out:Ljava/io/PrintStream;
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invoke-virtual {v3, v2}, Ljava/io/PrintStream;->println(Ljava/lang/String;)V
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return-void
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.catch Ljava/lang/NullPointerException; {:start .. :end} :handler
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.end method
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