615 lines
18 KiB
Python
Executable File
615 lines
18 KiB
Python
Executable File
#!/usr/bin/python3
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#
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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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Generate Smali test files for test 966.
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"""
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import os
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import sys
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from pathlib import Path
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BUILD_TOP = os.getenv("ANDROID_BUILD_TOP")
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if BUILD_TOP is None:
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print("ANDROID_BUILD_TOP not set. Please run build/envsetup.sh", file=sys.stderr)
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sys.exit(1)
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# Allow us to import utils and mixins.
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sys.path.append(str(Path(BUILD_TOP)/"art"/"test"/"utils"/"python"))
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from testgen.utils import get_copyright, subtree_sizes, gensym, filter_blanks
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import testgen.mixins as mixins
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from functools import total_ordering
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import itertools
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import string
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# The max depth the tree can have.
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MAX_IFACE_DEPTH = 3
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class MainClass(mixins.DumpMixin, mixins.Named, mixins.SmaliFileMixin):
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"""
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A Main.smali file containing the Main class and the main function. It will run
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all the test functions we have.
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"""
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MAIN_CLASS_TEMPLATE = """{copyright}
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.class public LMain;
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.super Ljava/lang/Object;
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# class Main {{
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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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{test_groups}
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{main_func}
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# }}
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"""
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MAIN_FUNCTION_TEMPLATE = """
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# public static void main(String[] args) {{
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.method public static main([Ljava/lang/String;)V
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.locals 2
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{test_group_invoke}
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return-void
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.end method
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# }}
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"""
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TEST_GROUP_INVOKE_TEMPLATE = """
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# {test_name}();
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invoke-static {{}}, {test_name}()V
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"""
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def __init__(self):
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"""
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Initialize this MainClass. We start out with no tests.
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"""
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self.tests = set()
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def add_test(self, ty):
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"""
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Add a test for the concrete type 'ty'
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"""
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self.tests.add(Func(ty))
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def get_expected(self):
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"""
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Get the expected output of this test.
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"""
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all_tests = sorted(self.tests)
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return filter_blanks("\n".join(a.get_expected() for a in all_tests))
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def initial_build_different(self):
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return False
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def get_name(self):
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"""
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Gets the name of this class
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"""
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return "Main"
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def __str__(self):
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"""
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Print the smali code for this test.
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"""
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all_tests = sorted(self.tests)
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test_invoke = ""
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test_groups = ""
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for t in all_tests:
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test_groups += str(t)
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for t in all_tests:
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test_invoke += self.TEST_GROUP_INVOKE_TEMPLATE.format(test_name=t.get_name())
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main_func = self.MAIN_FUNCTION_TEMPLATE.format(test_group_invoke=test_invoke)
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return self.MAIN_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
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test_groups = test_groups,
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main_func = main_func)
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class Func(mixins.Named, mixins.NameComparableMixin):
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"""
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A function that tests the functionality of a concrete type. Should only be
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constructed by MainClass.add_test.
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"""
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TEST_FUNCTION_TEMPLATE = """
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# public static void {fname}() {{
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# try {{
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# {farg} v = new {farg}();
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# System.out.println("Testing {tree}");
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# v.testAll();
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# System.out.println("Success: testing {tree}");
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# return;
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# }} catch (Exception e) {{
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# System.out.println("Failure: testing {tree}");
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# e.printStackTrace(System.out);
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# return;
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# }}
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# }}
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.method public static {fname}()V
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.locals 7
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:call_{fname}_try_start
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sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;
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new-instance v6, L{farg};
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invoke-direct {{v6}}, L{farg};-><init>()V
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const-string v3, "Testing {tree}"
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invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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invoke-virtual {{v6}}, L{farg};->testAll()V
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const-string v3, "Success: testing {tree}"
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invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:call_{fname}_try_end
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.catch Ljava/lang/Exception; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :error_{fname}_start
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:error_{fname}_start
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move-exception v3
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sget-object v2, Ljava/lang/System;->out:Ljava/io/PrintStream;
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const-string v4, "Failure: testing {tree}"
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invoke-virtual {{v2, v3}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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invoke-virtual {{v3,v2}}, Ljava/lang/Error;->printStackTrace(Ljava/io/PrintStream;)V
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return-void
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.end method
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"""
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OUTPUT_FORMAT = """
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Testing {tree}
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{test_output}
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Success: testing {tree}
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""".strip()
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def __init__(self, farg):
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"""
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Initialize a test function for the given argument
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"""
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self.farg = farg
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def __str__(self):
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"""
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Print the smali code for this test function.
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"""
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return self.TEST_FUNCTION_TEMPLATE.format(fname = self.get_name(),
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farg = self.farg.get_name(),
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tree = self.farg.get_tree())
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def get_name(self):
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"""
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Gets the name of this test function
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"""
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return "TEST_FUNC_{}".format(self.farg.get_name())
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def get_expected(self):
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"""
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Get the expected output of this function.
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"""
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return self.OUTPUT_FORMAT.format(
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tree = self.farg.get_tree(),
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test_output = self.farg.get_test_output().strip())
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class TestClass(mixins.DumpMixin, mixins.Named, mixins.NameComparableMixin, mixins.SmaliFileMixin):
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"""
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A class that will be instantiated to test interface initialization order.
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"""
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TEST_CLASS_TEMPLATE = """{copyright}
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.class public L{class_name};
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.super Ljava/lang/Object;
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{implements_spec}
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# public class {class_name} implements {ifaces} {{
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#
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# public {class_name}() {{
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# }}
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.method public constructor <init>()V
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.locals 2
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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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# public String getCalledInterface() {{
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# throw new Error("Should not be called");
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# }}
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.method public getCalledInterface()V
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.locals 2
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const-string v0, "Should not be called"
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new-instance v1, Ljava/lang/Error;
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invoke-direct {{v1, v0}}, Ljava/lang/Error;-><init>(Ljava/lang/String;)V
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throw v1
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.end method
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# public void testAll() {{
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# boolean failed = false;
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# Error exceptions = new Error("Test failures");
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.method public testAll()V
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.locals 5
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const/4 v0, 0
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const-string v1, "Test failures"
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new-instance v2, Ljava/lang/Error;
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invoke-direct {{v2, v1}}, Ljava/lang/Error;-><init>(Ljava/lang/String;)V
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{test_calls}
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# if (failed) {{
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if-eqz v0, :end
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# throw exceptions;
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throw v2
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:end
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# }}
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return-void
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# }}
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.end method
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{test_funcs}
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# }}
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"""
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IMPLEMENTS_TEMPLATE = """
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.implements L{iface_name};
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"""
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TEST_CALL_TEMPLATE = """
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# try {{
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# test_{iface}_super();
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# }} catch (Throwable t) {{
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# exceptions.addSuppressed(t);
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# failed = true;
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# }}
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:try_{iface}_start
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invoke-virtual {{p0}}, L{class_name};->test_{iface}_super()V
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goto :error_{iface}_end
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:try_{iface}_end
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.catch Ljava/lang/Throwable; {{:try_{iface}_start .. :try_{iface}_end}} :error_{iface}_start
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:error_{iface}_start
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move-exception v3
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invoke-virtual {{v2, v3}}, Ljava/lang/Throwable;->addSuppressed(Ljava/lang/Throwable;)V
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const/4 v0, 1
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:error_{iface}_end
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"""
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TEST_FUNC_TEMPLATE = """
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# public void test_{iface}_super() {{
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# try {{
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# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): " +
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# {iface}.super.getCalledInterface());
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# }} catch (NoSuchMethodError e) {{
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# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): NoSuchMethodError");
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# }} catch (IncompatibleClassChangeError e) {{
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# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): IncompatibleClassChangeError");
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# }} catch (Throwable t) {{
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# System.out.println("{class_name} -> {iface}.super.getCalledInterface(): Unknown error occurred");
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# throw t;
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# }}
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# }}
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.method public test_{iface}_super()V
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.locals 3
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sget-object v0, Ljava/lang/System;->out:Ljava/io/PrintStream;
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:try_start
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const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): "
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invoke-super {{p0}}, L{iface};->getCalledInterface()Ljava/lang/String;
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move-result-object v2
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invoke-virtual {{v1, v2}}, Ljava/lang/String;->concat(Ljava/lang/String;)Ljava/lang/String;
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move-result-object v1
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invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:try_end
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.catch Ljava/lang/NoSuchMethodError; {{:try_start .. :try_end}} :AME_catch
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.catch Ljava/lang/IncompatibleClassChangeError; {{:try_start .. :try_end}} :ICCE_catch
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.catch Ljava/lang/Throwable; {{:try_start .. :try_end}} :throwable_catch
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:AME_catch
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const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): NoSuchMethodError"
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invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:ICCE_catch
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const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): IncompatibleClassChangeError"
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invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:throwable_catch
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move-exception v2
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const-string v1, "{class_name} -> {iface}.super.getCalledInterface(): Unknown error occurred"
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invoke-virtual {{v0, v1}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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throw v2
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.end method
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""".strip()
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OUTPUT_TEMPLATE = "{class_name} -> {iface}.super.getCalledInterface(): {result}"
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def __init__(self, ifaces, name = None):
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"""
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Initialize this test class which implements the given interfaces
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"""
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self.ifaces = ifaces
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if name is None:
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self.class_name = "CLASS_"+gensym()
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else:
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self.class_name = name
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def get_initial_build_version(self):
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"""
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Returns a version of this class that can be used for the initial build (meaning no compiler
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checks will be triggered).
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"""
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return TestClass([i.get_initial_build_version() for i in self.ifaces], self.class_name)
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def initial_build_different(self):
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return False
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def get_name(self):
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"""
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Gets the name of this interface
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"""
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return self.class_name
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def get_tree(self):
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"""
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Print out a representation of the type tree of this class
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"""
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return "[{fname} {iftree}]".format(fname = self.get_name(), iftree = print_tree(self.ifaces))
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def get_test_output(self):
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return '\n'.join(map(lambda a: self.OUTPUT_TEMPLATE.format(class_name = self.get_name(),
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iface = a.get_name(),
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result = a.get_output()),
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self.ifaces))
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def __str__(self):
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"""
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Print the smali code for this class.
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"""
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funcs = '\n'.join(map(lambda a: self.TEST_FUNC_TEMPLATE.format(iface = a.get_name(),
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class_name = self.get_name()),
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self.ifaces))
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calls = '\n'.join(map(lambda a: self.TEST_CALL_TEMPLATE.format(iface = a.get_name(),
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class_name = self.get_name()),
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self.ifaces))
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s_ifaces = '\n'.join(map(lambda a: self.IMPLEMENTS_TEMPLATE.format(iface_name = a.get_name()),
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self.ifaces))
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j_ifaces = ', '.join(map(lambda a: a.get_name(), self.ifaces))
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return self.TEST_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
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implements_spec = s_ifaces,
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ifaces = j_ifaces,
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class_name = self.class_name,
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test_funcs = funcs,
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test_calls = calls)
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class IncompatibleClassChangeErrorResult(mixins.Named):
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def get_name(self):
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return "IncompatibleClassChangeError"
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ICCE = IncompatibleClassChangeErrorResult()
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class NoSuchMethodErrorResult(mixins.Named):
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def get_name(self):
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return "NoSuchMethodError"
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NSME = NoSuchMethodErrorResult()
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class TestInterface(mixins.DumpMixin, mixins.Named, mixins.NameComparableMixin, mixins.SmaliFileMixin):
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"""
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An interface that will be used to test default method resolution order.
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"""
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TEST_INTERFACE_TEMPLATE = """{copyright}
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.class public abstract interface L{class_name};
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.super Ljava/lang/Object;
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{implements_spec}
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# public interface {class_name} {extends} {ifaces} {{
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{funcs}
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# }}
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"""
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ABSTRACT_FUNC_TEMPLATE = """
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"""
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DEFAULT_FUNC_TEMPLATE = """
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# public default String getCalledInterface() {{
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# return "{class_name}";
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# }}
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.method public getCalledInterface()Ljava/lang/String;
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.locals 1
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const-string v0, "{class_name}"
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return-object v0
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.end method
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"""
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IMPLEMENTS_TEMPLATE = """
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.implements L{iface_name};
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"""
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def __init__(self, ifaces, default, name = None):
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"""
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Initialize interface with the given super-interfaces
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"""
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self.ifaces = ifaces
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self.default = default
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if name is None:
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end = "_DEFAULT" if default else ""
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self.class_name = "INTERFACE_"+gensym()+end
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else:
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self.class_name = name
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def get_initial_build_version(self):
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"""
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Returns a version of this class that can be used for the initial build (meaning no compiler
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checks will be triggered).
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"""
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return TestInterface([i.get_initial_build_version() for i in self.ifaces],
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True,
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self.class_name)
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def initial_build_different(self):
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return not self.default
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def get_name(self):
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"""
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Gets the name of this interface
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"""
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return self.class_name
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def __iter__(self):
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"""
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Performs depth-first traversal of the interface tree this interface is the
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root of. Does not filter out repeats.
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"""
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for i in self.ifaces:
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yield i
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yield from i
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def get_called(self):
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"""
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Get the interface whose default method would be called when calling the
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CalledInterfaceName function.
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"""
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all_ifaces = set(iface for iface in self if iface.default)
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for i in all_ifaces:
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if all(map(lambda j: i not in j.get_super_types(), all_ifaces)):
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return i
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return ICCE if any(map(lambda i: i.default, all_ifaces)) else NSME
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def get_super_types(self):
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"""
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Returns a set of all the supertypes of this interface
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"""
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return set(i2 for i2 in self)
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def get_output(self):
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if self.default:
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return self.get_name()
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else:
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return self.get_called().get_name()
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def get_tree(self):
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"""
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Print out a representation of the type tree of this class
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"""
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return "[{class_name} {iftree}]".format(class_name = self.get_name(),
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iftree = print_tree(self.ifaces))
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def __str__(self):
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"""
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Print the smali code for this interface.
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"""
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s_ifaces = '\n'.join(map(lambda a: self.IMPLEMENTS_TEMPLATE.format(iface_name = a.get_name()),
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self.ifaces))
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j_ifaces = ', '.join(map(lambda a: a.get_name(), self.ifaces))
|
|
if self.default:
|
|
funcs = self.DEFAULT_FUNC_TEMPLATE.format(class_name = self.class_name)
|
|
else:
|
|
funcs = self.ABSTRACT_FUNC_TEMPLATE
|
|
return self.TEST_INTERFACE_TEMPLATE.format(copyright = get_copyright('smali'),
|
|
implements_spec = s_ifaces,
|
|
extends = "extends" if len(self.ifaces) else "",
|
|
ifaces = j_ifaces,
|
|
funcs = funcs,
|
|
class_name = self.class_name)
|
|
|
|
def dump_tree(ifaces):
|
|
"""
|
|
Yields all the interfaces transitively implemented by the set in
|
|
reverse-depth-first order
|
|
"""
|
|
for i in ifaces:
|
|
yield from dump_tree(i.ifaces)
|
|
yield i
|
|
|
|
def print_tree(ifaces):
|
|
"""
|
|
Prints the tree for the given ifaces.
|
|
"""
|
|
return " ".join(i.get_tree() for i in ifaces)
|
|
|
|
# Cached output of subtree_sizes for speed of access.
|
|
SUBTREES = [set(tuple(sorted(l)) for l in subtree_sizes(i)) for i in range(MAX_IFACE_DEPTH + 1)]
|
|
|
|
def create_test_classes():
|
|
"""
|
|
Yield all the test classes with the different interface trees
|
|
"""
|
|
for num in range(1, MAX_IFACE_DEPTH + 1):
|
|
for split in SUBTREES[num]:
|
|
ifaces = []
|
|
for sub in split:
|
|
ifaces.append(list(create_interface_trees(sub)))
|
|
for supers in itertools.product(*ifaces):
|
|
yield TestClass(supers)
|
|
|
|
def create_interface_trees(num):
|
|
"""
|
|
Yield all the interface trees up to 'num' depth.
|
|
"""
|
|
if num == 0:
|
|
yield TestInterface(tuple(), False)
|
|
yield TestInterface(tuple(), True)
|
|
return
|
|
for split in SUBTREES[num]:
|
|
ifaces = []
|
|
for sub in split:
|
|
ifaces.append(list(create_interface_trees(sub)))
|
|
for supers in itertools.product(*ifaces):
|
|
yield TestInterface(supers, False)
|
|
yield TestInterface(supers, True)
|
|
for selected in (set(dump_tree(supers)) - set(supers)):
|
|
yield TestInterface(tuple([selected] + list(supers)), True)
|
|
yield TestInterface(tuple([selected] + list(supers)), False)
|
|
# TODO Should add on some from higher up the tree.
|
|
|
|
def create_all_test_files():
|
|
"""
|
|
Creates all the objects representing the files in this test. They just need to
|
|
be dumped.
|
|
"""
|
|
mc = MainClass()
|
|
classes = {mc}
|
|
for clazz in create_test_classes():
|
|
classes.add(clazz)
|
|
for i in dump_tree(clazz.ifaces):
|
|
classes.add(i)
|
|
mc.add_test(clazz)
|
|
return mc, classes
|
|
|
|
def main(argv):
|
|
smali_dir = Path(argv[1])
|
|
if not smali_dir.exists() or not smali_dir.is_dir():
|
|
print("{} is not a valid smali dir".format(smali_dir), file=sys.stderr)
|
|
sys.exit(1)
|
|
expected_txt = Path(argv[2])
|
|
mainclass, all_files = create_all_test_files()
|
|
with expected_txt.open('w') as out:
|
|
print(mainclass.get_expected(), file=out)
|
|
for f in all_files:
|
|
f.dump(smali_dir)
|
|
|
|
if __name__ == '__main__':
|
|
main(sys.argv)
|