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Workarounds for StackOverflowExceptions

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Honfika
2013-12-01 08:53:04 +01:00
parent ab569f1dd2
commit ac96c7dbb5
47 changed files with 330 additions and 124 deletions
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10
trunk/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java
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@@ -80,6 +80,7 @@ import com.jpexs.decompiler.graph.GraphPart;
import com.jpexs.decompiler.graph.GraphSourceItem;
import com.jpexs.decompiler.graph.GraphTargetItem;
import com.jpexs.decompiler.graph.NotCompileTimeItem;
import com.jpexs.decompiler.graph.TranslateException;
import com.jpexs.decompiler.graph.model.LocalData;
import com.jpexs.decompiler.graph.model.ScriptEndItem;
import com.jpexs.helpers.Helper;
@@ -2374,10 +2375,13 @@ public class AVM2Code implements Serializable {
}
@SuppressWarnings("unchecked")
private static int removeTraps(HashMap<Integer, List<Integer>> refs, boolean secondPass, boolean indeterminate, List<Object> localData, Stack<GraphTargetItem> stack, List<GraphTargetItem> output, AVM2GraphSource code, int ip, HashMap<Integer, Integer> visited, HashMap<Integer, HashMap<Integer, GraphTargetItem>> visitedStates, HashMap<GraphSourceItem, Decision> decisions, String path) throws InterruptedException {
private static int removeTraps(HashMap<Integer, List<Integer>> refs, boolean secondPass, boolean indeterminate, List<Object> localData, Stack<GraphTargetItem> stack, List<GraphTargetItem> output, AVM2GraphSource code, int ip, HashMap<Integer, Integer> visited, HashMap<Integer, HashMap<Integer, GraphTargetItem>> visitedStates, HashMap<GraphSourceItem, Decision> decisions, String path, int recursionLevel) throws InterruptedException {
if (Thread.interrupted()) {
throw new InterruptedException();
}
if (recursionLevel > code.size() + 1) {
throw new TranslateException("removeTraps max recursion level reached.");
}
boolean debugMode = false;
int ret = 0;
iploop:
@@ -2614,7 +2618,7 @@ public class AVM2Code implements Serializable {
for (int b : branches) {
Stack<GraphTargetItem> brStack = (Stack<GraphTargetItem>) stack.clone();
if (b >= 0) { //useVisited || (!ins.isJump())
ret += removeTraps(refs, secondPass, indeterminate, prepareBranchLocalData(localData), brStack, output, code, b, visited, visitedStates, decisions, path);
ret += removeTraps(refs, secondPass, indeterminate, prepareBranchLocalData(localData), brStack, output, code, b, visited, visitedStates, decisions, path, recursionLevel + 1);
} else {
if (debugMode) {
System.out.println("Negative branch:" + b);
@@ -2634,7 +2638,7 @@ public class AVM2Code implements Serializable {
public static int removeTraps(ConstantPool constants, Trait trait, MethodInfo info, MethodBody body, List<Object> localData, AVM2GraphSource code, int addr, String path, HashMap<Integer, List<Integer>> refs) throws InterruptedException {
HashMap<GraphSourceItem, AVM2Code.Decision> decisions = new HashMap<>();
removeTraps(refs, false, false, localData, new Stack<GraphTargetItem>(), new ArrayList<GraphTargetItem>(), code, code.adr2pos(addr), new HashMap<Integer, Integer>(), new HashMap<Integer, HashMap<Integer, GraphTargetItem>>(), decisions, path);
removeTraps(refs, false, false, localData, new Stack<GraphTargetItem>(), new ArrayList<GraphTargetItem>(), code, code.adr2pos(addr), new HashMap<Integer, Integer>(), new HashMap<Integer, HashMap<Integer, GraphTargetItem>>(), decisions, path, 0);
int cnt = 0;
for (GraphSourceItem src : decisions.keySet()) {
Decision dec = decisions.get(src);