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adapting AS3 decompilation to common method

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This commit is contained in:
Jindra Petk
2013-02-26 22:44:46 +01:00
parent 7d10e8d13e
commit aa912facad
185 changed files with 1181 additions and 755 deletions
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135
trunk/src/com/jpexs/decompiler/flash/abc/avm2/AVM2Code.java
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@@ -48,6 +48,7 @@ import com.jpexs.decompiler.flash.abc.types.Multiname;
import com.jpexs.decompiler.flash.abc.types.traits.Trait;
import com.jpexs.decompiler.flash.abc.types.traits.TraitSlotConst;
import com.jpexs.decompiler.flash.abc.types.traits.Traits;
import com.jpexs.decompiler.flash.graph.Graph;
import com.jpexs.decompiler.flash.graph.GraphTargetItem;
import com.jpexs.decompiler.flash.helpers.Helper;
import com.jpexs.decompiler.flash.helpers.Highlighting;
@@ -819,15 +820,6 @@ public class AVM2Code implements Serializable {
cacheActual = false;
}
public static String listToString(List<GraphTargetItem> stack, ConstantPool constants, HashMap<Integer, String> localRegNames, List<String> fullyQualifiedNames) {
StringBuffer ret = new StringBuffer();
for (int d = 0; d < stack.size(); d++) {
GraphTargetItem o = stack.get(d);
ret.append(o.toStringSemicoloned(Helper.toList(constants, localRegNames, fullyQualifiedNames)) + "\r\n");
}
return ret.toString();
}
private static String innerStackToString(List stack) {
String ret = "";
for (int d = 0; d < stack.size(); d++) {
@@ -1003,7 +995,7 @@ public class AVM2Code implements Serializable {
return localRegNames;
}
public List<TreeItem> clearTemporaryRegisters(List<TreeItem> output) {
public List<GraphTargetItem> clearTemporaryRegisters(List<GraphTargetItem> output) {
for (int i = 0; i < output.size(); i++) {
if (output.get(i) instanceof SetLocalTreeItem) {
if (isKilled(((SetLocalTreeItem) output.get(i)).regIndex, 0, code.size() - 1)) {
@@ -1017,7 +1009,7 @@ public class AVM2Code implements Serializable {
return output;
}
private int fixIPAfterDebugLine(int ip) {
public int fixIPAfterDebugLine(int ip) {
if (ip >= code.size()) {
return code.size() - 1;
}
@@ -1209,15 +1201,15 @@ public class AVM2Code implements Serializable {
}
}
if ((ip + 2 < code.size()) && (ins.definition instanceof NewCatchIns)) { //Filling local register in catch clause
if (code.get(ip + 1).definition instanceof DupIns) {
if (code.get(ip + 2).definition instanceof SetLocalTypeIns) {
ins.definition.translate(isStatic, classIndex, localRegs, stack, scopeStack, constants, ins, method_info, output, body, abc, localRegNames, fullyQualifiedNames);
ip += 3;
continue;
}
}
}
/*if ((ip + 2 < code.size()) && (ins.definition instanceof NewCatchIns)) { //Filling local register in catch clause
if (code.get(ip + 1).definition instanceof DupIns) {
if (code.get(ip + 2).definition instanceof SetLocalTypeIns) {
ins.definition.translate(isStatic, classIndex, localRegs, stack, scopeStack, constants, ins, method_info, output, body, abc, localRegNames, fullyQualifiedNames);
ip += 3;
continue;
}
}
}*/
if ((ins.definition instanceof SetLocalTypeIns) && (ip + 1 <= end) && (isKilled(((SetLocalTypeIns) ins.definition).getRegisterId(ins), ip, end))) { //set_local_x,get_local_x..kill x
@@ -1408,10 +1400,10 @@ public class AVM2Code implements Serializable {
private class Slot {
public TreeItem scope;
public GraphTargetItem scope;
public Multiname multiname;
public Slot(TreeItem scope, Multiname multiname) {
public Slot(GraphTargetItem scope, Multiname multiname) {
this.scope = scope;
this.multiname = multiname;
}
@@ -1477,7 +1469,7 @@ public class AVM2Code implements Serializable {
GraphTargetItem ti = list.get(i);
if ((ti instanceof InitPropertyTreeItem) || (ti instanceof SetPropertyTreeItem)) {
int multinameIndex = 0;
TreeItem value = null;
GraphTargetItem value = null;
if (ti instanceof InitPropertyTreeItem) {
multinameIndex = ((InitPropertyTreeItem) ti).propertyName.multinameIndex;
value = ((InitPropertyTreeItem) ti).value;
@@ -1553,103 +1545,12 @@ public class AVM2Code implements Serializable {
}
}
s = listToString(list, constants, localRegNames, fullyQualifiedNames);
/*} catch (Exception ex) {
Logger.getLogger(AVM2Code.class.getName()).log(Level.SEVERE, "Error in method "+path, ex);
s = "/ *\r\n * Decompilation error\r\n * Code may be obfuscated\r\n * Error Message: " + ex.getMessage() + "\r\n * /";
return s;
}*/
StringBuffer sub = new StringBuffer();
int level = 0;
String parts[] = s.split("\r\n");
boolean processLoops = true;
if (processLoops) {
try {
Stack<String> loopStack = new Stack<String>();
for (int p = 0; p < parts.length; p++) {
String stripped = Highlighting.stripHilights(parts[p]);
if (stripped.endsWith(":") && (!stripped.startsWith("case ")) && (!stripped.equals("default:"))) {
loopStack.add(stripped.substring(0, stripped.length() - 1));
}
if (stripped.startsWith("break ")) {
if (stripped.equals("break " + loopStack.peek() + ";")) {
parts[p] = parts[p].replace(" " + loopStack.peek(), "");
}
}
if (stripped.startsWith("continue ")) {
if (loopStack.size() > 0) {
if (stripped.equals("continue " + loopStack.peek() + ";")) {
parts[p] = parts[p].replace(" " + loopStack.peek(), "");
}
}
}
if (stripped.startsWith(":")) {
loopStack.pop();
}
}
} catch (Exception ex) {
}
}
for (int p = 0; p < parts.length; p++) {
if (p == parts.length - 1) {
if (parts[p].equals("")) {
continue;
}
}
String strippedP = Highlighting.stripHilights(parts[p]).trim();
if (processLoops) {
if (strippedP.endsWith(":") && (!strippedP.startsWith("case ")) && (!strippedP.equals("default:"))) {
String loopname = strippedP.substring(0, strippedP.length() - 1);
boolean dorefer = false;
for (int q = p + 1; q < parts.length; q++) {
String strippedQ = Highlighting.stripHilights(parts[q]);
if (strippedQ.equals("break " + loopname + ";")) {
dorefer = true;
break;
}
if (strippedQ.equals("continue " + loopname + ";")) {
dorefer = true;
break;
}
if (strippedQ.equals(":" + loopname)) {
break;
}
}
if (!dorefer) {
continue;
}
}
if (strippedP.startsWith(":")) {
continue;
}
}
if (strippedP.equals(IDENTOPEN)) {
level++;
} else if (strippedP.equals(IDENTCLOSE)) {
level--;
} else if (strippedP.equals("{")) {
level++;
sub.append(tabString(level) + parts[p] + "\r\n");
level++;
} else if (strippedP.equals("}") || strippedP.equals("};")) {
level--;
sub.append(tabString(level) + parts[p] + "\r\n");
level--;
} else {
sub.append(tabString(level) + parts[p] + "\r\n");
}
}
s = Graph.graphToString(list, constants, localRegNames, fullyQualifiedNames);
if (!hilighted) {
return Highlighting.stripHilights(sub.toString());
return Highlighting.stripHilights(s);
}
String ret = sub.toString();
return ret;
return s;
}
public void removeInstruction(int pos, MethodBody body) {