608 lines
18 KiB
Python
Executable File
608 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 967.
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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 enum import Enum
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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 type 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_funcs}
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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 0
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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 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 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_name(self):
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"""
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Get 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 MainClass smali code.
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"""
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all_tests = sorted(self.tests)
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test_invoke = ""
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test_funcs = ""
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for t in all_tests:
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test_funcs += 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_funcs = test_funcs,
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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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# {farg} v = null;
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# try {{
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# v = new {farg}();
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# }} catch (Throwable e) {{
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# System.out.println("Unexpected error occurred which creating {farg} instance");
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# e.printStackTrace(System.out);
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# return;
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# }}
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# try {{
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# System.out.printf("{tree} calls %s\\n", v.getName());
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# return;
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# }} catch (AbstractMethodError e) {{
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# System.out.println("{tree} threw AbstractMethodError");
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# }} catch (NoSuchMethodError e) {{
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# System.out.println("{tree} threw NoSuchMethodError");
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# }} catch (IncompatibleClassChangeError e) {{
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# System.out.println("{tree} threw IncompatibleClassChangeError");
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# }} catch (Throwable e) {{
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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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sget-object v4, Ljava/lang/System;->out:Ljava/io/PrintStream;
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:new_{fname}_try_start
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new-instance v0, L{farg};
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invoke-direct {{v0}}, L{farg};-><init>()V
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goto :call_{fname}_try_start
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:new_{fname}_try_end
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.catch Ljava/lang/Throwable; {{:new_{fname}_try_start .. :new_{fname}_try_end}} :new_error_{fname}_start
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:new_error_{fname}_start
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move-exception v6
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const-string v5, "Unexpected error occurred which creating {farg} instance"
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invoke-virtual {{v4,v5}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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invoke-virtual {{v6,v4}}, Ljava/lang/Throwable;->printStackTrace(Ljava/io/PrintStream;)V
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return-void
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:call_{fname}_try_start
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const/4 v1, 1
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new-array v2,v1, [Ljava/lang/Object;
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const/4 v1, 0
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invoke-virtual {{v0}}, L{farg};->getName()Ljava/lang/String;
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move-result-object v3
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aput-object v3,v2,v1
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const-string v5, "{tree} calls %s\\n"
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invoke-virtual {{v4,v5,v2}}, Ljava/io/PrintStream;->printf(Ljava/lang/String;[Ljava/lang/Object;)Ljava/io/PrintStream;
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return-void
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:call_{fname}_try_end
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.catch Ljava/lang/AbstractMethodError; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :AME_{fname}_start
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.catch Ljava/lang/NoSuchMethodError; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :NSME_{fname}_start
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.catch Ljava/lang/IncompatibleClassChangeError; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :ICCE_{fname}_start
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.catch Ljava/lang/Throwable; {{:call_{fname}_try_start .. :call_{fname}_try_end}} :error_{fname}_start
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:AME_{fname}_start
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const-string v5, "{tree} threw AbstractMethodError"
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invoke-virtual {{v4,v5}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:NSME_{fname}_start
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const-string v5, "{tree} threw NoSuchMethodError"
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invoke-virtual {{v4,v5}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:ICCE_{fname}_start
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const-string v5, "{tree} threw IncompatibleClassChangeError"
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invoke-virtual {{v4,v5}}, Ljava/io/PrintStream;->println(Ljava/lang/Object;)V
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return-void
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:error_{fname}_start
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move-exception v6
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invoke-virtual {{v6,v4}}, Ljava/lang/Throwable;->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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NSME_RESULT_TEMPLATE = "{tree} threw NoSuchMethodError"
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ICCE_RESULT_TEMPLATE = "{tree} threw IncompatibleClassChangeError"
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AME_RESULT_TEMPLATE = "{tree} threw AbstractMethodError"
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NORMAL_RESULT_TEMPLATE = "{tree} calls {result}"
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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 get_expected(self):
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"""
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Get the expected output calling this function.
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"""
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exp = self.farg.get_called()
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if exp.is_empty():
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return self.NSME_RESULT_TEMPLATE.format(tree = self.farg.get_tree())
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elif exp.is_abstract():
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return self.AME_RESULT_TEMPLATE.format(tree = self.farg.get_tree())
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elif exp.is_conflict():
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return self.ICCE_RESULT_TEMPLATE.format(tree = self.farg.get_tree())
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else:
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assert exp.is_default()
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return self.NORMAL_RESULT_TEMPLATE.format(tree = self.farg.get_tree(),
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result = exp.get_tree())
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def get_name(self):
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"""
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Get the name of this function
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"""
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return "TEST_FUNC_{}".format(self.farg.get_name())
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def __str__(self):
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"""
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Print the smali code of this function.
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"""
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return self.TEST_FUNCTION_TEMPLATE.format(tree = self.farg.get_tree(),
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fname = self.get_name(),
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farg = self.farg.get_name())
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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 default method resolution 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 L{iface_name};
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# public class {class_name} implements {iface_name} {{
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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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{funcs}
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# }}
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"""
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def __init__(self, iface):
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"""
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Initialize this test class which implements the given interface
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"""
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self.iface = iface
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self.class_name = "CLASS_"+gensym()
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def get_name(self):
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"""
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Get the name of this class
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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 "[{class_name} {iface_tree}]".format(class_name = self.class_name,
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iface_tree = self.iface.get_tree())
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def __iter__(self):
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"""
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Step through all interfaces implemented transitively by this class
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"""
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yield self.iface
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yield from self.iface
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def get_called(self):
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"""
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Returns the interface that will be called when the method on this class is invoked or
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CONFLICT_TYPE if there is no interface that will be called.
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"""
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return self.iface.get_called()
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def __str__(self):
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"""
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Print the smali code of this class.
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"""
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return self.TEST_CLASS_TEMPLATE.format(copyright = get_copyright('smali'),
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iface_name = self.iface.get_name(),
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tree = self.get_tree(),
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class_name = self.class_name,
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funcs = "")
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class InterfaceType(Enum):
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"""
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An enumeration of all the different types of interfaces we can have.
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default: It has a default method
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abstract: It has a method declared but not defined
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empty: It does not have the method
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"""
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default = 0
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abstract = 1
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empty = 2
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def get_suffix(self):
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if self == InterfaceType.default:
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return "_DEFAULT"
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elif self == InterfaceType.abstract:
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return "_ABSTRACT"
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elif self == InterfaceType.empty:
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return "_EMPTY"
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else:
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raise TypeError("Interface type had illegal value.")
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class ConflictInterface:
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"""
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A singleton representing a conflict of default methods.
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"""
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def is_conflict(self):
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"""
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Returns true if this is a conflict interface and calling the method on this interface will
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result in an IncompatibleClassChangeError.
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"""
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return True
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def is_abstract(self):
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"""
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Returns true if this is an abstract interface and calling the method on this interface will
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result in an AbstractMethodError.
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"""
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return False
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def is_empty(self):
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"""
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Returns true if this is an abstract interface and calling the method on this interface will
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result in a NoSuchMethodError.
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"""
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return False
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def is_default(self):
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"""
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Returns true if this is a default interface and calling the method on this interface will
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result in a method actually being called.
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"""
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return False
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CONFLICT_TYPE = ConflictInterface()
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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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DEFAULT_FUNC_TEMPLATE = """
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# public default String getName() {{
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# return "{tree}";
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# }}
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.method public getName()Ljava/lang/String;
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.locals 1
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const-string v0, "{tree}"
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return-object v0
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.end method
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"""
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ABSTRACT_FUNC_TEMPLATE = """
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# public String getName();
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.method public abstract getName()Ljava/lang/String;
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.end method
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"""
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EMPTY_FUNC_TEMPLATE = """"""
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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, iface_type, full_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 = sorted(ifaces)
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self.iface_type = iface_type
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if full_name is None:
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end = self.iface_type.get_suffix()
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self.class_name = "INTERFACE_"+gensym()+end
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else:
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self.class_name = full_name
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def get_specific_version(self, v):
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"""
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Returns a copy of this interface of the given type for use in partial compilation.
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"""
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return TestInterface(self.ifaces, v, full_name = self.class_name)
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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 is_conflict(self):
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"""
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Returns true if this is a conflict interface and calling the method on this interface will
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result in an IncompatibleClassChangeError.
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"""
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return False
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def is_abstract(self):
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"""
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Returns true if this is an abstract interface and calling the method on this interface will
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result in an AbstractMethodError.
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"""
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return self.iface_type == InterfaceType.abstract
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def is_empty(self):
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"""
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Returns true if this is an abstract interface and calling the method on this interface will
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result in a NoSuchMethodError.
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"""
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return self.iface_type == InterfaceType.empty
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def is_default(self):
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"""
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Returns true if this is a default interface and calling the method on this interface will
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result in a method actually being called.
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"""
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return self.iface_type == InterfaceType.default
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def get_called(self):
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"""
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Returns the interface that will be called when the method on this class is invoked or
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CONFLICT_TYPE if there is no interface that will be called.
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"""
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if not self.is_empty() or len(self.ifaces) == 0:
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return self
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else:
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best = self
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for super_iface in self.ifaces:
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super_best = super_iface.get_called()
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if super_best.is_conflict():
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return CONFLICT_TYPE
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elif best.is_default():
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if super_best.is_default():
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return CONFLICT_TYPE
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elif best.is_abstract():
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if super_best.is_default():
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best = super_best
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else:
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assert best.is_empty()
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best = super_best
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return best
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def get_name(self):
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"""
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Get the name of this class
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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 "[{class_name} {iftree}]".format(class_name = self.get_name(),
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iftree = print_tree(self.ifaces))
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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 __str__(self):
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"""
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Print the smali code of this interface.
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"""
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s_ifaces = " "
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j_ifaces = " "
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for i in self.ifaces:
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s_ifaces += self.IMPLEMENTS_TEMPLATE.format(iface_name = i.get_name())
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j_ifaces += " {},".format(i.get_name())
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j_ifaces = j_ifaces[0:-1]
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if self.is_default():
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funcs = self.DEFAULT_FUNC_TEMPLATE.format(tree = self.get_tree())
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elif self.is_abstract():
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funcs = self.ABSTRACT_FUNC_TEMPLATE.format()
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else:
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funcs = ""
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return self.TEST_INTERFACE_TEMPLATE.format(copyright = get_copyright('smali'),
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implements_spec = s_ifaces,
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extends = "extends" if len(self.ifaces) else "",
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ifaces = j_ifaces,
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funcs = funcs,
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tree = self.get_tree(),
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|
class_name = self.class_name)
|
|
|
|
def print_tree(ifaces):
|
|
"""
|
|
Prints a list of iface trees
|
|
"""
|
|
return " ".join(i.get_tree() for i in ifaces)
|
|
|
|
# The deduplicated output of subtree_sizes for each size up to
|
|
# MAX_LEAF_IFACE_PER_OBJECT.
|
|
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 iface in create_interface_trees(num):
|
|
yield TestClass(iface)
|
|
|
|
def create_interface_trees(num):
|
|
"""
|
|
Yield all the interface trees up to 'num' depth.
|
|
"""
|
|
if num == 0:
|
|
for iftype in InterfaceType:
|
|
yield TestInterface(tuple(), iftype)
|
|
return
|
|
for split in SUBTREES[num]:
|
|
ifaces = []
|
|
for sub in split:
|
|
ifaces.append(list(create_interface_trees(sub)))
|
|
yield TestInterface(tuple(), InterfaceType.default)
|
|
for supers in itertools.product(*ifaces):
|
|
for iftype in InterfaceType:
|
|
if iftype == InterfaceType.default:
|
|
# We can just stop at defaults. We have other tests that a default can override an
|
|
# abstract and this cuts down on the number of cases significantly, improving speed of
|
|
# this test.
|
|
continue
|
|
yield TestInterface(supers, iftype)
|
|
|
|
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 clazz:
|
|
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)
|