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Fix NPE when decompiling constructor #654

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This commit is contained in:
Maxim Degtyarev
2018-04-27 15:01:55 +03:00
committed by Egor Ushakov
parent 7c8e64da81
commit a74a9d7d25
8 changed files with 212 additions and 4 deletions
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42
testData/src/pkg/TestMissingConstructorCallBad.jasm Normal file
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@@ -0,0 +1,42 @@
/**
* This code can be assembled with <a href="https://wiki.openjdk.java.net/display/CodeTools/asmtools">asmtools</a>
* using <code>asmtools jasm -g *.jasm</code> command line.
*/
package pkg;
super public class TestMissingConstructorCallBad
version 52:0
{
private Method "<init>":"()V"
stack 2 locals 1
{
getstatic Field java/lang/System.out:"Ljava/io/PrintStream;";
ldc String "Nobody will see what we do here!";
invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
aload_0;
aconst_null;
invokespecial Method "<init>":"(Ljava/lang/Object;)V";
return;
}
public static varargs Method main:"([Ljava/lang/String;)V"
stack 2 locals 2
{
try t0;
new class TestMissingConstructorCallBad;
dup;
invokespecial Method "<init>":"()V";
pop;
endtry t0;
goto L12;
catch t0 java/lang/Throwable;
stack_frame_type stack1;
stack_map class java/lang/Throwable;
astore_1;
L12: stack_frame_type same;
return;
}
} // end Class TestMissingConstructorCallBad

50
testData/src/pkg/TestMissingConstructorCallGood.jasm Normal file
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@@ -0,0 +1,50 @@
/**
* This code can be assembled with <a href="https://wiki.openjdk.java.net/display/CodeTools/asmtools">asmtools</a>
* using <code>asmtools jasm -g *.jasm</code> command line.
*/
package pkg;
super public class TestMissingConstructorCallGood
version 52:0
{
private Method "<init>":"(Ljava/lang/Object;)V"
stack 1 locals 2
{
aload_0;
invokespecial Method java/lang/Object."<init>":"()V";
return;
}
private Method "<init>":"()V"
stack 2 locals 1
{
getstatic Field java/lang/System.out:"Ljava/io/PrintStream;";
ldc String "Nobody will see what we do here!";
invokevirtual Method java/io/PrintStream.println:"(Ljava/lang/String;)V";
aload_0;
aconst_null;
invokespecial Method "<init>":"(Ljava/lang/Object;)V";
return;
}
public static varargs Method main:"([Ljava/lang/String;)V"
stack 2 locals 2
{
try t0;
new class TestMissingConstructorCallGood;
dup;
invokespecial Method "<init>":"()V";
pop;
endtry t0;
goto L12;
catch t0 java/lang/Throwable;
stack_frame_type stack1;
stack_map class java/lang/Throwable;
astore_1;
L12: stack_frame_type same;
return;
}
} // end Class TestMissingConstructorCallGood