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goto detection improvements

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This commit is contained in:
Jindra Petřík
2021-01-21 10:29:13 +01:00
parent d3f0f94cc5
commit 337f8bb81d
5 changed files with 89 additions and 45 deletions
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19
libsrc/ffdec_lib/src/com/jpexs/decompiler/flash/abc/avm2/graph/AVM2Graph.java
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@@ -22,6 +22,7 @@ import com.jpexs.decompiler.flash.abc.ABC;
import com.jpexs.decompiler.flash.abc.AVM2LocalData;
import com.jpexs.decompiler.flash.abc.avm2.AVM2Code;
import com.jpexs.decompiler.flash.abc.avm2.instructions.AVM2Instruction;
import com.jpexs.decompiler.flash.abc.avm2.instructions.debug.DebugLineIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.jumps.IfStrictEqIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.jumps.JumpIns;
import com.jpexs.decompiler.flash.abc.avm2.instructions.jumps.LookupSwitchIns;
@@ -831,6 +832,24 @@ public class AVM2Graph extends Graph {
return next;
}
@Override
protected boolean isPartEmpty(GraphPart part) {
if (part.nextParts.size() > 1) {
return false;
}
if (part.start < 0) {
return false;
}
for (int ip = part.start; ip <= part.end; ip++) {
if (!(avm2code.code.get(ip).definition instanceof DebugLineIns)
&& !(avm2code.code.get(ip).definition instanceof JumpIns)) {
return false;
}
}
return true;
}
@Override
protected GraphTargetItem checkLoop(LoopItem loopItem, BaseLocalData localData, List<Loop> loops) {
AVM2LocalData aLocalData = (AVM2LocalData) localData;