ra/fernflower
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

java-decompiler: post-import cleanup (common fixes and optimizations)

Browse Source
This commit is contained in:
Roman Shevchenko
2014-08-29 21:58:12 +04:00
parent 63b8d35d08
commit f5431c3bb1
62 changed files with 410 additions and 422 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java
View File

@@ -67,6 +67,8 @@ public class ClassWrapper {
setFieldNames.add(fd.getName());
}
int maxsec = Integer.parseInt(DecompilerContext.getProperty(IFernflowerPreferences.MAX_PROCESSING_METHOD).toString());
for (StructMethod mt : classStruct.getMethods()) {
DecompilerContext.getLogger().startMethod(mt.getName() + " " + mt.getDescriptor());
@@ -83,7 +85,6 @@ public class ClassWrapper {
VarProcessor varproc = new VarProcessor();
DecompilerContext.setProperty(DecompilerContext.CURRENT_VAR_PROCESSOR, varproc);
Thread mtthread = null;
RootStatement root = null;
boolean isError = false;
@@ -91,28 +92,25 @@ public class ClassWrapper {
try {
if (mt.containsCode()) {
int maxsec = 10 * Integer.parseInt(DecompilerContext.getProperty(IFernflowerPreferences.MAX_PROCESSING_METHOD).toString());
if (maxsec == 0) { // blocking wait
root = MethodProcessorThread.codeToJava(mt, varproc);
}
else {
MethodProcessorThread mtproc = new MethodProcessorThread(mt, varproc, DecompilerContext.getCurrentContext());
mtthread = new Thread(mtproc);
Thread mtthread = new Thread(mtproc);
long stopAt = System.currentTimeMillis() + maxsec * 1000;
mtthread.start();
int sec = 0;
while (mtthread.isAlive()) {
synchronized (mtproc) {
mtproc.wait(100);
synchronized (mtproc.lock) {
mtproc.lock.wait(100);
}
if (maxsec > 0 && ++sec > maxsec) {
DecompilerContext.getLogger().writeMessage("Processing time limit (" + maxsec + " sec.) for method " +
mt.getName() + " " + mt.getDescriptor() + " exceeded, execution interrupted.",
IFernflowerLogger.ERROR);
if (System.currentTimeMillis() >= stopAt) {
String message = "Processing time limit exceeded for method " + mt.getName() + ", execution interrupted.";
DecompilerContext.getLogger().writeMessage(message, IFernflowerLogger.ERROR);
mtthread.stop();
isError = true;
break;
@@ -120,12 +118,7 @@ public class ClassWrapper {
}
if (!isError) {
if (mtproc.getError() != null) {
throw mtproc.getError();
}
else {
root = mtproc.getRoot();
}
root = mtproc.getResult();
}
}
}
@@ -158,17 +151,6 @@ public class ClassWrapper {
}
}
}
catch (ThreadDeath ex) {
try {
if (mtthread != null) {
mtthread.stop();
}
}
catch (Throwable ignored) {
}
throw ex;
}
catch (Throwable ex) {
DecompilerContext.getLogger().writeMessage("Method " + mt.getName() + " " + mt.getDescriptor() + " couldn't be decompiled.", ex);
isError = true;

6
src/org/jetbrains/java/decompiler/main/rels/LambdaProcessor.java
View File

@@ -112,9 +112,9 @@ public class LambdaProcessor {
LinkConstant content_method_handle = (LinkConstant)bootstrap_arguments.get(1);
ClassNode node_lambda = clprocessor.new ClassNode(content_method_handle.classname, content_method_handle.elementname,
content_method_handle.descriptor, content_method_handle.index1,
lambda_class_name, lambda_method_name, lambda_method_descriptor, cl);
ClassNode node_lambda = new ClassNode(content_method_handle.classname, content_method_handle.elementname,
content_method_handle.descriptor, content_method_handle.index1,
lambda_class_name, lambda_method_name, lambda_method_descriptor, cl);
node_lambda.simpleName = cl.qualifiedName + "##Lambda_" + invoke_dynamic.index1 + "_" + invoke_dynamic.index2;
node_lambda.enclosingMethod = InterpreterUtil.makeUniqueKey(mt.getName(), mt.getDescriptor());

26
src/org/jetbrains/java/decompiler/main/rels/MethodProcessorThread.java
View File

@@ -33,16 +33,16 @@ import java.io.IOException;
public class MethodProcessorThread implements Runnable {
private StructMethod method;
private VarProcessor varproc;
private DecompilerContext parentContext;
public final Object lock = new Object();
private RootStatement root;
private final StructMethod method;
private final VarProcessor varproc;
private final DecompilerContext parentContext;
private Throwable error;
private volatile RootStatement root;
private volatile Throwable error;
public MethodProcessorThread(StructMethod method, VarProcessor varproc,
DecompilerContext parentContext) {
public MethodProcessorThread(StructMethod method, VarProcessor varproc, DecompilerContext parentContext) {
this.method = method;
this.varproc = varproc;
this.parentContext = parentContext;
@@ -58,11 +58,13 @@ public class MethodProcessorThread implements Runnable {
try {
root = codeToJava(method, varproc);
synchronized (this) {
this.notify();
synchronized (lock) {
lock.notifyAll();
}
}
catch (ThreadDeath ignored) { }
catch (ThreadDeath ex) {
throw ex;
}
catch (Throwable ex) {
error = ex;
}
@@ -248,7 +250,9 @@ public class MethodProcessorThread implements Runnable {
return root;
}
public RootStatement getRoot() {
public RootStatement getResult() throws Throwable {
Throwable t = error;
if (t != null) throw t;
return root;
}

26
src/org/jetbrains/java/decompiler/main/rels/NestedClassProcessor.java
View File

@@ -101,7 +101,7 @@ public class NestedClassProcessor {
}
}
private void setLambdaVars(ClassNode parent, ClassNode child) {
private static void setLambdaVars(ClassNode parent, ClassNode child) {
if (child.lambda_information.is_method_reference) { // method reference, no code and no parameters
return;
@@ -187,7 +187,7 @@ public class NestedClassProcessor {
}
}
private void checkNotFoundClasses(ClassNode root, ClassNode node) {
private static void checkNotFoundClasses(ClassNode root, ClassNode node) {
List<ClassNode> lstChildren = new ArrayList<ClassNode>(node.nested);
@@ -232,7 +232,7 @@ public class NestedClassProcessor {
}
}
private boolean insertNestedClass(ClassNode root, ClassNode child) {
private static boolean insertNestedClass(ClassNode root, ClassNode child) {
Set<String> setEnclosing = child.enclosingClasses;
@@ -258,7 +258,7 @@ public class NestedClassProcessor {
}
private void computeLocalVarsAndDefinitions(final ClassNode node) {
private static void computeLocalVarsAndDefinitions(final ClassNode node) {
// local var masks
// class name, constructor descriptor, field mask
@@ -433,7 +433,7 @@ public class NestedClassProcessor {
}
}
private void insertLocalVars(final ClassNode parent, final ClassNode child) {
private static void insertLocalVars(final ClassNode parent, final ClassNode child) {
// enclosing method, is null iff member class
MethodWrapper encmeth = parent.wrapper.getMethods().getWithKey(child.enclosingMethod);
@@ -634,7 +634,7 @@ public class NestedClassProcessor {
}
}
private HashMap<String, List<VarFieldPair>> getMaskLocalVars(ClassWrapper wrapper) {
private static HashMap<String, List<VarFieldPair>> getMaskLocalVars(ClassWrapper wrapper) {
HashMap<String, List<VarFieldPair>> mapMasks = new HashMap<String, List<VarFieldPair>>();
@@ -666,7 +666,7 @@ public class NestedClassProcessor {
return mapMasks;
}
private String getEnclosingVarField(StructClass cl, MethodWrapper meth, DirectGraph graph, final int index) {
private static String getEnclosingVarField(StructClass cl, MethodWrapper meth, DirectGraph graph, final int index) {
String field = "";
@@ -709,7 +709,7 @@ public class NestedClassProcessor {
return field;
}
private void mergeListSignatures(List<VarFieldPair> first, List<VarFieldPair> second, boolean both) {
private static void mergeListSignatures(List<VarFieldPair> first, List<VarFieldPair> second, boolean both) {
int i = 1;
while (true) {
@@ -818,7 +818,7 @@ public class NestedClassProcessor {
}
private void setLocalClassDefinition(MethodWrapper meth, ClassNode node) {
private static void setLocalClassDefinition(MethodWrapper meth, ClassNode node) {
RootStatement root = meth.root;
@@ -862,7 +862,7 @@ public class NestedClassProcessor {
}
private Statement findFirstBlock(Statement stat, HashSet<Statement> setStats) {
private static Statement findFirstBlock(Statement stat, HashSet<Statement> setStats) {
LinkedList<Statement> stack = new LinkedList<Statement>();
stack.add(stat);
@@ -903,7 +903,7 @@ public class NestedClassProcessor {
}
private Statement getDefStatement(Statement stat, VarType classtype, HashSet<Statement> setStats) {
private static Statement getDefStatement(Statement stat, VarType classtype, HashSet<Statement> setStats) {
List<Exprent> condlst = new ArrayList<Exprent>();
Statement retstat = null;
@@ -958,7 +958,7 @@ public class NestedClassProcessor {
return retstat;
}
private boolean searchForClass(Exprent exprent, VarType classtype) {
private static boolean searchForClass(Exprent exprent, VarType classtype) {
List<Exprent> lst = exprent.getAllExprents(true);
lst.add(exprent);
@@ -1004,7 +1004,7 @@ public class NestedClassProcessor {
}
private class VarFieldPair {
private static class VarFieldPair {
public String keyfield = "";
public VarVersionPaar varpaar;

2
src/org/jetbrains/java/decompiler/main/rels/NestedMemberAccess.java
View File

@@ -310,7 +310,7 @@ public class NestedMemberAccess {
return res;
}
private boolean sameTree(ClassNode caller, ClassNode callee) {
private static boolean sameTree(ClassNode caller, ClassNode callee) {
if (caller.classStruct.qualifiedName.equals(callee.classStruct.qualifiedName)) {
return false;