Unnamed: 0
int64
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body
stringlengths
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40,400
void (Statement stat) { boolean found; do { found = false; for (int i = 0; i < stat.getStats().size(); i++) { Statement st = stat.getStats().get(i); cleanUpUnreachableBlocks(st); if (st.type == StatementType.SEQUENCE && st.getStats().size() > 1) { Statement last = st.getStats().getLast(); Statement secondlast = st.getS...
cleanUpUnreachableBlocks
40,401
int (Statement stat) { int ret = 0; Statement dest; if (stat.getExprents() == null) { while (true) { int changed = 0; for (Statement st : stat.getStats()) { changed = integrateExits(st); if (changed > 0) { ret = 1; break; } } if (changed == 0) { break; } } if (stat.type == StatementType.IF) { IfStatement ifst = (IfStat...
integrateExits
40,402
Statement (StatEdge edge) { Statement dest = edge.getDestination(); if (edge.getType() == EdgeType.BREAK && dest.type == StatementType.BASIC_BLOCK && edge.explicit && (edge.labeled || isOnlyEdge(edge))) { List<Exprent> data = dest.getExprents(); if (data != null && data.size() == 1) { if (data.get(0).type == Exprent.EX...
isExitEdge
40,403
boolean (StatEdge edge) { Statement stat = edge.getDestination(); for (StatEdge ed : stat.getAllPredecessorEdges()) { if (ed != edge) { if (ed.getType() == EdgeType.REGULAR) { Statement source = ed.getSource(); if (source.type == StatementType.BASIC_BLOCK || (source.type == StatementType.IF && ((IfStatement)source).ift...
isOnlyEdge
40,404
void (RootStatement root) { DummyExitStatement dummyExit = root.getDummyExit(); for (StatEdge edge : dummyExit.getAllPredecessorEdges()) { if (!edge.explicit) { Statement source = edge.getSource(); List<Exprent> lstExpr = source.getExprents(); if (lstExpr != null && !lstExpr.isEmpty()) { Exprent expr = lstExpr.get(lstE...
removeRedundantReturns
40,405
boolean (RootStatement root) { FlattenStatementsHelper flatthelper = new FlattenStatementsHelper(); DirectGraph dgraph = flatthelper.buildDirectGraph(root); LinkedList<DirectNode> stack = new LinkedList<>(); stack.add(dgraph.first); HashSet<DirectNode> setVisited = new HashSet<>(); boolean res = false; while (!stack.is...
findPPandMM
40,406
boolean (List<Exprent> lst) { boolean result = false; for (int i = 0; i < lst.size(); i++) { Exprent exprent = lst.get(i); exprentReplaced = false; Exprent retexpr = processExprentRecursive(exprent); if (retexpr != null) { lst.set(i, retexpr); result = true; i--; // process the same exprent again } result |= exprentRep...
processExprentList
40,407
Exprent (Exprent exprent) { boolean replaced = true; while (replaced) { replaced = false; for (Exprent expr : exprent.getAllExprents()) { Exprent retexpr = processExprentRecursive(expr); if (retexpr != null) { exprent.replaceExprent(expr, retexpr); replaced = true; exprentReplaced = true; break; } } } if (exprent.type ...
processExprentRecursive
40,408
void (@NotNull RootStatement statement, @NotNull StructClass structClass) { if (!structClass.hasPatternsInInstanceofSupport()) return; boolean recordPatternSupport = structClass.hasRecordPatternSupport(); List<TempVarAssignmentItem> tempVarAssignments = new ArrayList<>(); List<Runnable> runnables = replaceAssignmentsWi...
replaceAssignmentsWithPatternVariables
40,409
List<Runnable> (@NotNull Statement statement, @NotNull Set<IfStatement> usedIfStatements, @NotNull List<TempVarAssignmentItem> tempVarAssignments, boolean recordPatternSupport) { ArrayList<Runnable> actions = new ArrayList<>(); if (statement instanceof IfStatement ifStatement && !usedIfStatements.contains(ifStatement))...
replaceAssignmentsWithPatternVariables
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FunctionExprent (@NotNull IfStatement ifStat) { return ifStat.getHeadexprent().getAllExprents(true).stream() .filter(expr -> expr.type == Exprent.EXPRENT_FUNCTION).map(expr -> (FunctionExprent)expr) .filter(expr -> expr.getFuncType() == FunctionExprent.FUNCTION_INSTANCEOF) .findFirst().orElse(null); }
findInstanceofExprent
40,411
PatternVariableCandidate (@NotNull Statement ifElseStat, @NotNull VarExprent operand, @NotNull ConstExprent checkType, boolean recordPatternSupport, @NotNull Statement topLevelStatement) { if (ifElseStat instanceof BasicBlockStatement basicBlockStatement) { //check that cast correct and get the last assignment PatternV...
findInitPatternVarCandidate
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PatternVariableCandidate (@NotNull Statement ifBranch, @NotNull VarExprent operand, @NotNull ConstExprent checkType, @NotNull VarTracker varTracker, @NotNull Statement topLevelStatement) { if (ifBranch instanceof BasicBlockStatement) { //check that cast correct and get the last assignment PatternVariableCandidate candi...
findNextPatternVarCandidate
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PatternVariableCandidate (@NotNull Statement ifElseStat, @NotNull VarExprent operand, @NotNull ConstExprent checkType, @NotNull Statement topLevelStatement) { List<Exprent> ifElseExprents = ifElseStat.getExprents(); if (ifElseExprents==null || ifElseExprents.isEmpty() || ifElseExprents.get(0).type != Exprent.EXPRENT_AS...
findSimpleCandidateFromIfStat
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PatternVariableCandidate (@NotNull BasicBlockStatement blockStatement, @NotNull VarExprent varExprent, @NotNull VarExprent candidate) { Statement parent = blockStatement.getParent(); if (!(parent instanceof SequenceStatement parentSequenceStatement)) { return null; } int indexOfBlock = parentSequenceStatement.getStats(...
findInitRecordPatternCandidate
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PatternVariableCandidate (@NotNull Statement parent, @NotNull VarTracker varTracker) { if (!(parent instanceof SequenceStatement)) { return null; } if (checkRegularEdgesForRecordPattern(parent)) return null; Set<IfStatement> ifStatements = new HashSet<>(); VBStyleCollection<Statement, Integer> stats = parent.getStats()...
findRecordPatternCandidate
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PatternVariableCandidate (@NotNull Statement statement, @NotNull VarTracker tracker, @NotNull List<TempVarAssignmentItem> tempVarAssignmentItems) { if (!(statement instanceof IfStatement ifStatement)) { return null; } if (ifStatement.isNegated() || ifStatement.getHeadexprent().getAllExprents().size() != 1) { return nul...
findRecursivelyInstanceOfIfStatement
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boolean (@NotNull VarTracker tracker, @NotNull CatchStatement statement) { Statement tryBody = statement.getFirst(); if (tryBody == null || tryBody.getStats() == null || !tryBody.getStats().isEmpty() || tryBody.getExprents() == null || tryBody.getExprents().size() != 1) { return false; } Exprent body = tryBody.getExpre...
processCatchStatement
40,418
boolean (@NotNull VarTracker tracker, @NotNull Statement statement) { if (statement instanceof BasicBlockStatement && statement.getExprents() != null) { for (Exprent statementExprent : statement.getExprents()) { if (!collectRecordAssignment(tracker, statementExprent, statement)) return false; } } return true; }
processFullBlock
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boolean (@NotNull VarTracker tracker, @NotNull Statement statement) { if (statement instanceof BasicBlockStatement && statement.getExprents() != null) { boolean found = false; for (Exprent statementExprent : statement.getExprents()) { if (collectRecordAssignment(tracker, statementExprent, statement)) { found = true; co...
processAtLeastOneBlock
40,420
boolean (@NotNull VarTracker tracker, @Nullable Exprent exprent, @NotNull Statement statement) { if (!(exprent instanceof AssignmentExprent assignmentExprent)) { return false; } Exprent exprentLeft = assignmentExprent.getLeft(); if (!(exprentLeft instanceof VarExprent leftVarExprent)) { return false; } Exprent right = ...
collectRecordAssignment
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boolean (@NotNull Statement parent) { for (int i = 0; i < parent.getStats().size(); i++) { Statement statement = parent.getStats().get(i); if (i != parent.getStats().size() - 1) { List<StatEdge> edges = statement.getSuccessorEdges(StatEdge.EdgeType.DIRECT_ALL); if (edges.size() != 1) { return true; } StatEdge edge = ed...
checkRegularEdgesForRecordPattern
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VarExprent () { return varExprent; }
getVarExprent
40,423
List<TempVarAssignmentItem> () { return tempVarAssignments; }
getTempVarAssignments
40,424
Runnable () { return cleaner; }
getCleaner
40,425
Set<IfStatement> () { return usedIfStatement; }
getUsedIfStatement
40,426
Statement () { return nextStatement; }
getNextStatement
40,427
void (@NotNull VarTracker tracker) { root = tracker.root; varRecordTracker.putAll(tracker.varRecordTracker); varTempAssignmentTracker.addAll(tracker.varTempAssignmentTracker); }
putAll
40,428
void (RootStatement root) { LinkedList<Statement> stack = new LinkedList<>(); stack.add(root); while (!stack.isEmpty()) { Statement stat = stack.removeFirst(); stat.clearTempInformation(); stack.addAll(stat.getStats()); } }
clearStatements
40,429
void (Exprent exprent, VarType type) { maxTypeExprents.add(new ExprentTypePair(exprent, type)); }
addMaxTypeExprent
40,430
void (Exprent exprent, VarType type) { minTypeExprents.add(new ExprentTypePair(exprent, type)); }
addMinTypeExprent
40,431
List<ExprentTypePair> () { return maxTypeExprents; }
getMaxTypeExprents
40,432
List<ExprentTypePair> () { return minTypeExprents; }
getMinTypeExprents
40,433
void (VarVersionEdge edge) { predecessors.add(edge); }
addPredecessor
40,434
void (VarVersionEdge edge) { predecessors.remove(edge); }
removePredecessor
40,435
void (VarVersionEdge edge) { successors.add(edge); }
addSuccessor
40,436
void (VarVersionEdge edge) { successors.remove(edge); }
removeSuccessor
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List<IGraphNode> () { List<IGraphNode> lst = new ArrayList<>(predecessors.size()); for (VarVersionEdge edge : predecessors) { lst.add(edge.source); } return lst; }
getPredecessorNodes
40,438
String () { return "(" + var + '_' + version + ')'; }
toString
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VarVersionNode (VarVersionPair ver) { VarVersionNode node; nodes.addWithKey(node = new VarVersionNode(ver.var, ver.version), ver); return node; }
createNode
40,440
void (Collection<VarVersionNode> colnodes, Collection<VarVersionPair> colpaars) { nodes.addAllWithKey(colnodes, colpaars); }
addNodes
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boolean (VarVersionNode node, Set<VarVersionNode> domnodes) { if (domnodes.size() == 1) { return engine.isDominator(node, domnodes.iterator().next()); } else { Set<VarVersionNode> marked = new HashSet<>(); if (domnodes.contains(node)) { return true; } List<VarVersionNode> lstNodes = new LinkedList<>(); lstNodes.add(nod...
isDominatorSet
40,442
void () { Set<VarVersionNode> roots = new HashSet<>(); for (VarVersionNode node : nodes) { if (node.predecessors.isEmpty()) { roots.add(node); } } engine = new GenericDominatorEngine(new IGraph() { @Override public List<? extends IGraphNode> getReversePostOrderList() { return getReversedPostOrder(roots); } @Override pu...
initDominators
40,443
List<VarVersionNode> (Collection<VarVersionNode> roots) { List<VarVersionNode> lst = new LinkedList<>(); Set<VarVersionNode> setVisited = new HashSet<>(); for (VarVersionNode root : roots) { List<VarVersionNode> lstTemp = new LinkedList<>(); addToReversePostOrderListIterative(root, lstTemp, setVisited); lst.addAll(lstT...
getReversedPostOrder
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void (VarVersionNode root, List<? super VarVersionNode> lst, Set<? super VarVersionNode> setVisited) { Map<VarVersionNode, List<VarVersionEdge>> mapNodeSuccs = new HashMap<>(); LinkedList<VarVersionNode> stackNode = new LinkedList<>(); LinkedList<Integer> stackIndex = new LinkedList<>(); stackNode.add(root); stackIndex...
addToReversePostOrderListIterative
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boolean (Object o) { if (o == this) return true; if (!(o instanceof VarVersionEdge edge)) return false; return type == edge.type && source == edge.source && dest == edge.dest; }
equals
40,446
int () { return hashCode; }
hashCode
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String () { return source.toString() + " ->" + type + "-> " + dest.toString(); }
toString
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void (@NotNull RootStatement root, @NotNull DirectGraph graph) { setInitVariables(); setCatchBlockVariables(root); resetExprentTypes(graph); //noinspection StatementWithEmptyBody while (!processVarTypes(graph)) ; }
calculateVarTypes
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void () { boolean thisVar = !method.hasModifier(CodeConstants.ACC_STATIC); if (thisVar) { StructClass currentClass = (StructClass)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS); VarType classType = new VarType(CodeConstants.TYPE_OBJECT, 0, currentClass.qualifiedName); minExprentTypes.put(new VarVersionP...
setInitVariables
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void (@NotNull RootStatement root) { LinkedList<Statement> statements = new LinkedList<>(); statements.add(root); while (!statements.isEmpty()) { Statement statement = statements.removeFirst(); List<VarExprent> catchVariables = null; if (statement.type == StatementType.CATCH_ALL) { catchVariables = ((CatchAllStatement)...
setCatchBlockVariables
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boolean (@NotNull Exprent currentExprent) { for (Exprent exprent : currentExprent.getAllExprents()) { if (!checkTypeExprent(exprent)) return false; } if (currentExprent.type == Exprent.EXPRENT_CONST) { ConstExprent constExprent = (ConstExprent)currentExprent; if (constExprent.getConstType().getTypeFamily() <= CodeConst...
checkTypeExprent
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boolean (@NotNull DirectGraph graph) { return graph.iterateExprents(exprent -> checkTypeExprent(exprent) ? 0 : 1); }
processVarTypes
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boolean (@NotNull Exprent exprent, @NotNull VarType newType, boolean checkMinExprentType) { if (exprent.type == Exprent.EXPRENT_CONST) { ConstExprent constExprent = (ConstExprent)exprent; VarType constType = constExprent.getConstType(); if (newType.getTypeFamily() > CodeConstants.TYPE_FAMILY_INTEGER || constType.getTyp...
changeExprentType
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boolean (@NotNull VarVersionPair varVersion, @NotNull Exprent exprent, @NotNull VarType newType, boolean checkMinExprentType) { if (checkMinExprentType) { VarType currentMinType = minExprentTypes.get(varVersion); VarType newMinType; if (currentMinType == null || newType.getTypeFamily() > currentMinType.getTypeFamily())...
changeConstExprentType
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void (@NotNull DirectGraph graph) { graph.iterateExprents(currExprent -> { List<Exprent> allExprents = currExprent.getAllExprents(true); allExprents.add(currExprent); for (Exprent exprent : allExprents) { if (exprent.type == Exprent.EXPRENT_VAR) { ((VarExprent)exprent).setVarType(VarType.VARTYPE_UNKNOWN); } else if (ex...
resetExprentTypes
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VarType (VarVersionPair pair) { return minExprentTypes.get(pair); }
getVarType
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void (VarVersionPair pair, VarType type) { minExprentTypes.put(pair, type); }
setVarType
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boolean (Object o) { if (o == this) return true; if (!(o instanceof VarVersionPair paar)) return false; return var == paar.var && version == paar.version; }
equals
40,459
int () { if (hashCode == -1) { hashCode = this.var * 3 + this.version; } return hashCode; }
hashCode
40,460
String () { return "(" + var + "," + version + ")"; }
toString
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void (RootStatement root) { VarVersionsProcessor oldProcessor = varVersions; varVersions = new VarVersionsProcessor(method, methodDescriptor); varVersions.setVarVersions(root, oldProcessor); }
setVarVersions
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void (Statement root) { mapVarNames = new HashMap<>(); new VarDefinitionHelper(root, method, this).setVarDefinitions(); }
setVarDefinitions
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void (Map<Integer, String> mapDebugVarNames) { if (varVersions == null) { return; } Map<Integer, Integer> mapOriginalVarIndices = varVersions.getMapOriginalVarIndices(); List<VarVersionPair> listVars = new ArrayList<>(mapVarNames.keySet()); listVars.sort(Comparator.comparingInt(o -> o.var)); Map<String, Integer> mapNam...
setDebugVarNames
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Integer (int index) { return varVersions == null ? null : varVersions.getMapOriginalVarIndices().get(index); }
getVarOriginalIndex
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void (VarNamesCollector vc) { Map<VarVersionPair, String> tempVarNames = new HashMap<>(mapVarNames); for (Entry<VarVersionPair, String> ent : tempVarNames.entrySet()) { mapVarNames.put(ent.getKey(), vc.getFreeName(ent.getValue())); } }
refreshVarNames
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VarNamesCollector () { return varNamesCollector; }
getVarNamesCollector
40,467
VarType (VarVersionPair pair) { return varVersions == null ? null : varVersions.getVarType(pair); }
getVarType
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void (VarVersionPair pair, VarType type) { varVersions.setVarType(pair, type); }
setVarType
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String (VarVersionPair pair) { return mapVarNames == null ? null : mapVarNames.get(pair); }
getVarName
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void (VarVersionPair pair, String name) { mapVarNames.put(pair, name); }
setVarName
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Collection<String> () { return mapVarNames != null ? mapVarNames.values() : Collections.emptySet(); }
getVarNames
40,472
int (VarVersionPair pair) { return varVersions == null ? VAR_FINAL : varVersions.getVarFinal(pair); }
getVarFinal
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void (VarVersionPair pair, int finalType) { varVersions.setVarFinal(pair, finalType); }
setVarFinal
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Set<VarVersionPair> () { return externalVars; }
getExternalVars
40,475
boolean (VarVersionPair pair) { return finalParameters.get(pair.var); }
isParameterFinal
40,476
void (VarVersionPair pair) { finalParameters.set(pair.var); }
setParameterFinal
40,477
int () { return firstParameterVarIndex; }
getFirstParameterVarIndex
40,478
int () { return firstParameterPosition; }
getFirstParameterPosition
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void (RootStatement root, VarVersionsProcessor previousVersionsProcessor) { SSAConstructorSparseEx ssa = new SSAConstructorSparseEx(); ssa.splitVariables(root, method); FlattenStatementsHelper flattenHelper = new FlattenStatementsHelper(); DirectGraph graph = flattenHelper.buildDirectGraph(root); mergePhiVersions(ssa, ...
setVarVersions
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void (SSAConstructorSparseEx ssa, DirectGraph graph) { // collect phi versions List<Set<VarVersionPair>> lst = new ArrayList<>(); for (Entry<VarVersionPair, FastSparseSet<Integer>> ent : ssa.getPhi().entrySet()) { Set<VarVersionPair> set = new HashSet<>(); set.add(ent.getKey()); for (Integer version : ent.getValue()) {...
mergePhiVersions
40,481
void (DirectGraph graph, final Map<VarVersionPair, Integer> versions) { graph.iterateExprents(exprent -> { List<Exprent> lst = exprent.getAllExprents(true); lst.add(exprent); for (Exprent expr : lst) { if (expr.type == Exprent.EXPRENT_VAR) { VarExprent var = (VarExprent)expr; Integer version = versions.get(new VarVersi...
updateVersions
40,482
void (VarTypeProcessor typeProcessor) { Map<VarVersionPair, VarType> mapExprentMaxTypes = typeProcessor.getMaxExprentTypes(); Map<VarVersionPair, VarType> mapExprentMinTypes = typeProcessor.getMinExprentTypes(); for (VarVersionPair paar : new ArrayList<>(mapExprentMinTypes.keySet())) { VarType type = mapExprentMinTypes...
eliminateNonJavaTypes
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void (VarTypeProcessor typeProcessor, DirectGraph graph, StructMethod mt) { Map<VarVersionPair, VarType> mapExprentMaxTypes = typeProcessor.getMaxExprentTypes(); Map<VarVersionPair, VarType> mapExprentMinTypes = typeProcessor.getMinExprentTypes(); Map<Integer, Set<Integer>> mapVarVersions = new HashMap<>(); for (VarVer...
simpleMerge
40,484
void (VarTypeProcessor typeProcessor, DirectGraph graph, VarVersionsProcessor previousVersionsProcessor) { final Map<VarVersionPair, VarType> mapExprentMaxTypes = typeProcessor.getMaxExprentTypes(); Map<VarVersionPair, VarType> mapExprentMinTypes = typeProcessor.getMinExprentTypes(); Map<VarVersionPair, Integer> mapFin...
setNewVarIndices
40,485
VarType (VarVersionPair pair) { return typeProcessor.getVarType(pair); }
getVarType
40,486
void (VarVersionPair pair, VarType type) { typeProcessor.setVarType(pair, type); }
setVarType
40,487
int (VarVersionPair pair) { Integer fin = typeProcessor.getFinalVariables().get(pair); return fin == null ? VarProcessor.VAR_FINAL : fin; }
getVarFinal
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void (VarVersionPair pair, int finalType) { typeProcessor.getFinalVariables().put(pair, finalType); }
setVarFinal
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void () { VarNamesCollector vc = varproc.getVarNamesCollector(); for (Entry<Integer, Statement> en : mapVarDefStatements.entrySet()) { Statement stat = en.getValue(); Integer index = en.getKey(); if (implDefVars.contains(index)) { // already implicitly defined continue; } varproc.setVarName(new VarVersionPair(index.int...
setVarDefinitions
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Statement (Statement stat, Integer varindex) { LinkedList<Statement> stack = new LinkedList<>(); stack.add(stat); while (!stack.isEmpty()) { Statement st = stack.remove(0); if (stack.isEmpty() || mapStatementVars.get(st.id).contains(varindex)) { if (st.isLabeled() && !stack.isEmpty()) { return st; } if (st.getExprents(...
findFirstBlock
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Set<Integer> (Statement stat) { HashMap<Integer, Integer> mapCount = new HashMap<>(); List<VarExprent> condlst; if (stat.getExprents() == null) { // recurse on children statements List<Integer> childVars = new ArrayList<>(); List<Exprent> currVars = new ArrayList<>(); for (Object obj : stat.getSequentialObjects()) { if...
initStatement
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List<VarExprent> (List<Exprent> lst) { List<VarExprent> res = new ArrayList<>(); List<Exprent> listTemp = new ArrayList<>(); for (Exprent expr : lst) { listTemp.addAll(expr.getAllExprents(true)); listTemp.add(expr); } for (Exprent exprent : listTemp) { if (exprent.type == Exprent.EXPRENT_VAR) { res.add((VarExprent)expr...
getAllVars
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boolean (Exprent expr, Integer index) { if (expr.type == Exprent.EXPRENT_ASSIGNMENT) { Exprent left = ((AssignmentExprent)expr).getLeft(); if (left.type == Exprent.EXPRENT_VAR) { VarExprent var = (VarExprent)left; if (var.getIndex() == index) { var.setDefinition(true); return true; } } } return false; }
setDefinition
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VarType (int val, boolean boolPermitted) { if (boolPermitted) { VarType constType = VarType.VARTYPE_BOOLEAN; if (val != 0 && val != 1) { constType = constType.copy(true); } return constType; } else if (0 <= val && val <= 127) { return VarType.VARTYPE_BYTECHAR; } else if (-128 <= val && val <= 127) { return VarType.VART...
guessType
40,495
Exprent () { return new ConstExprent(constType, value, bytecode); }
copy
40,496
VarType () { return constType; }
getExprType
40,497
int () { return Exprent.MULTIPLE_USES | Exprent.SIDE_EFFECTS_FREE; }
getExprentUse
40,498
List<Exprent> () { return new ArrayList<>(); }
getAllExprents
40,499
TextBuffer (int indent, BytecodeMappingTracer tracer) { boolean literal = DecompilerContext.getOption(IFernflowerPreferences.LITERALS_AS_IS); boolean ascii = DecompilerContext.getOption(IFernflowerPreferences.ASCII_STRING_CHARACTERS); tracer.addMapping(bytecode); if (constType.getType() != CodeConstants.TYPE_NULL && va...
toJava