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Fixed AS2 - some minor cases in class detection

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This commit is contained in:
Jindra Petřík
2021-11-27 09:45:30 +01:00
parent e33cd9ba99
commit e348df4bbe
6 changed files with 178 additions and 14 deletions
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69
libsrc/ffdec_lib/test/com/jpexs/decompiler/flash/ActionScript2AssemblerTest.java
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@@ -24,6 +24,7 @@ import com.jpexs.decompiler.flash.exporters.modes.ScriptExportMode;
import com.jpexs.decompiler.flash.helpers.CodeFormatting;
import com.jpexs.decompiler.flash.helpers.HighlightedTextWriter;
import com.jpexs.decompiler.flash.tags.DoActionTag;
import com.jpexs.decompiler.flash.tags.DoInitActionTag;
import java.io.BufferedInputStream;
import java.io.FileInputStream;
import java.io.IOException;
@@ -85,6 +86,28 @@ public class ActionScript2AssemblerTest extends ActionScript2TestBase {
return null;
}
private String decompileClassPcode(String pcode) {
try {
List<Action> actions = ASMParser.parse(0, true, pcode, swf.version, false);
DoInitActionTag doi = getFirstInitActionTag();
doi.setActionBytes(Action.actionsToBytes(actions, true, swf.version));
HighlightedTextWriter writer = new HighlightedTextWriter(new CodeFormatting(), false);
try {
Action.actionsToSource(doi, doi.getActions(), "", writer);
} catch (InterruptedException ex) {
fail();
}
return writer.toString();
} catch (IOException | ActionParseException ex) {
fail();
}
return null;
}
@Test
public void testModifiedConstantPools() {
String actionsString = "ConstantPool \"ok\"\n"
@@ -224,4 +247,50 @@ public class ActionScript2AssemblerTest extends ActionScript2TestBase {
+ "return 3;\n"
+ "}");
}
@Test
public void testClassSpecial() {
String res = decompileClassPcode("ConstantPool\n"
+ "Push \"_global\"\n"
+ "GetVariable\n"
+ "Push \"Guide\"\n"
+ "GetMember\n"
+ "Not\n"
+ "Not\n"
+ "If loc00d9\n"
+ "Push \"_global\"\n"
+ "GetVariable\n"
+ "Push \"Guide\"\n"
+ "DefineFunction \"\" 0 {\n"
+ "Push \"hello\"\n"
+ "Trace\n"
+ "}\n"
+ "StoreRegister 1\n"
+ "SetMember\n"
+ "Push \"_global\"\n"
+ "GetVariable\n"
+ "Push \"Guide\"\n"
+ "GetMember\n"
+ "Push \"prototype\" 0.0 \"MovieClip\"\n"
+ "NewObject\n"
+ "StoreRegister 2\n"
+ "SetMember\n"
+ "Push 1 null \"_global\"\n"
+ "GetVariable\n"
+ "Push \"Guide\"\n"
+ "GetMember\n"
+ "Push \"prototype\"\n"
+ "GetMember\n"
+ "Push 3 \"ASSetPropFlags\"\n"
+ "CallFunction\n"
+ "loc00d9:Pop");
res = cleanPCode(res);
assertEquals(res, "class Guide\n"
+ "{\n"
+ "function Guide()\n"
+ "{\n"
+ "trace(\"hello\");\n"
+ "}\n"
+ "}");
}
}