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-rw-r--r--src/org/jetbrains/java/decompiler/main/ClassWriter.java33
-rw-r--r--src/org/jetbrains/java/decompiler/main/InitializerProcessor.java2
-rw-r--r--src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java2
-rw-r--r--src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java2
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java9
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/FinallyProcessor.java4
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/exps/FieldExprent.java2
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java19
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java15
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarProcessor.java11
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionPaar.java22
-rw-r--r--src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionsProcessor.java8
-rw-r--r--src/org/jetbrains/java/decompiler/util/SortUtil.java65
-rw-r--r--src/org/jetbrains/java/decompiler/util/VarHelper.java92
14 files changed, 252 insertions, 34 deletions
diff --git a/src/org/jetbrains/java/decompiler/main/ClassWriter.java b/src/org/jetbrains/java/decompiler/main/ClassWriter.java
index 2b61dc2..7d3e66d 100644
--- a/src/org/jetbrains/java/decompiler/main/ClassWriter.java
+++ b/src/org/jetbrains/java/decompiler/main/ClassWriter.java
@@ -188,6 +188,7 @@ public class ClassWriter {
// fields
boolean enumFields = false;
+ boolean endEnumWritten = false; // Spigot
for (StructField fd : cl.getFields()) {
boolean hide = fd.isSynthetic() && DecompilerContext.getOption(IFernflowerPreferences.REMOVE_SYNTHETIC) ||
@@ -202,19 +203,24 @@ public class ClassWriter {
}
enumFields = true;
}
- else if (enumFields) {
+ else if (enumFields && !endEnumWritten) { // Spigot
buffer.append(';');
buffer.append(lineSeparator);
buffer.append(lineSeparator);
- enumFields = false;
+ endEnumWritten = true; // Spigot
}
fieldToJava(wrapper, cl, fd, buffer, indent + 1, dummy_tracer); // FIXME: insert real tracer
hasContent = true;
}
-
- if (enumFields) {
+ // Spigot Start
+ int flags = node.type == ClassNode.CLASS_ROOT ? cl.getAccessFlags() : node.access;
+ boolean isEnum = DecompilerContext.getOption(IFernflowerPreferences.DECOMPILE_ENUM) && (flags & CodeConstants.ACC_ENUM) != 0;
+ if (isEnum && !endEnumWritten) {
+ buffer.append(lineSeparator);
+ buffer.append(lineSeparator);
+ // Spigot End
buffer.append(';');
buffer.append(lineSeparator);
}
@@ -385,6 +391,7 @@ public class ClassWriter {
buffer.append('{');
buffer.append(lineSeparator);
+ buffer.append(lineSeparator); // Spigot
}
private void fieldToJava(ClassWrapper wrapper, StructClass cl, StructField fd, TextBuffer buffer, int indent, BytecodeMappingTracer tracer) {
@@ -514,7 +521,7 @@ public class ClassWriter {
buffer.append(typeName);
buffer.append(" ");
- String parameterName = methodWrapper.varproc.getVarName(new VarVersionPaar(index, 0));
+ String parameterName = methodWrapper.varproc.getVarName(new VarVersionPaar(index, 0, typeName, false)); // Spigot
buffer.append(parameterName == null ? "param" + index : parameterName); // null iff decompiled with errors
firstParameter = false;
@@ -701,6 +708,10 @@ public class ClassWriter {
int start = isEnum && init && descriptor == null ? 2 : 0;
int params = descriptor == null ? md.params.length : descriptor.params.size();
for (int i = start; i < params; i++) {
+ // Spigot Start
+ String typeName;
+ boolean isVarArg;
+ // Spigot end
if (signFields == null || signFields.get(i) == null) {
if (!firstParameter) {
buffer.append(", ");
@@ -715,12 +726,12 @@ public class ClassWriter {
if (descriptor != null) {
GenericType parameterType = descriptor.params.get(i);
- boolean isVarArg = (i == lastVisibleParameterIndex && mt.hasModifier(CodeConstants.ACC_VARARGS) && parameterType.arraydim > 0);
+ isVarArg = (i == lastVisibleParameterIndex && mt.hasModifier(CodeConstants.ACC_VARARGS) && parameterType.arraydim > 0); // Spigot
if (isVarArg) {
parameterType.arraydim--;
}
- String typeName = GenericMain.getGenericCastTypeName(parameterType);
+ typeName = GenericMain.getGenericCastTypeName(parameterType); // Spigot
if (ExprProcessor.UNDEFINED_TYPE_STRING.equals(typeName) &&
DecompilerContext.getOption(IFernflowerPreferences.UNDEFINED_PARAM_TYPE_OBJECT)) {
typeName = ExprProcessor.getCastTypeName(VarType.VARTYPE_OBJECT);
@@ -735,12 +746,12 @@ public class ClassWriter {
else {
VarType parameterType = md.params[i].copy();
- boolean isVarArg = (i == lastVisibleParameterIndex && mt.hasModifier(CodeConstants.ACC_VARARGS) && parameterType.arraydim > 0);
+ isVarArg = (i == lastVisibleParameterIndex && mt.hasModifier(CodeConstants.ACC_VARARGS) && parameterType.arraydim > 0); // Spigot
if (isVarArg) {
parameterType.decArrayDim();
}
- String typeName = ExprProcessor.getCastTypeName(parameterType);
+ typeName = ExprProcessor.getCastTypeName(parameterType); // Spigot
if (ExprProcessor.UNDEFINED_TYPE_STRING.equals(typeName) &&
DecompilerContext.getOption(IFernflowerPreferences.UNDEFINED_PARAM_TYPE_OBJECT)) {
typeName = ExprProcessor.getCastTypeName(VarType.VARTYPE_OBJECT);
@@ -754,7 +765,7 @@ public class ClassWriter {
}
buffer.append(' ');
- String parameterName = methodWrapper.varproc.getVarName(new VarVersionPaar(index, 0));
+ String parameterName = methodWrapper.varproc.getVarName(new VarVersionPaar(index, 0, typeName, isVarArg)); // Spigot
buffer.append(parameterName == null ? "param" + index : parameterName); // null iff decompiled with errors
firstParameter = false;
@@ -918,7 +929,7 @@ public class ClassWriter {
}
private static void appendComment(TextBuffer buffer, String comment, int indent, String lineSeparator) {
- buffer.appendIndent(indent).append("// $FF: ").append(comment).append(lineSeparator);
+ // buffer.appendIndent(indent).append("// $FF: ").append(comment).append(lineSeparator); // Spigot: Squash comments
}
private static final String[] ANNOTATION_ATTRIBUTES = {
diff --git a/src/org/jetbrains/java/decompiler/main/InitializerProcessor.java b/src/org/jetbrains/java/decompiler/main/InitializerProcessor.java
index aabea15..4c3f625 100644
--- a/src/org/jetbrains/java/decompiler/main/InitializerProcessor.java
+++ b/src/org/jetbrains/java/decompiler/main/InitializerProcessor.java
@@ -139,7 +139,7 @@ public class InitializerProcessor {
if (fexpr.isStatic() && fexpr.getClassname().equals(cl.qualifiedName) &&
cl.hasField(fexpr.getName(), fexpr.getDescriptor().descriptorString)) {
- if (isExprentIndependent(asexpr.getRight(), meth)) {
+ if (true || isExprentIndependent(asexpr.getRight(), meth)) { // Spigot
String keyField = InterpreterUtil.makeUniqueKey(fexpr.getName(), fexpr.getDescriptor().descriptorString);
if (!wrapper.getStaticFieldInitializers().containsKey(keyField)) {
diff --git a/src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java b/src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java
index c66a3e0..fae600a 100644
--- a/src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java
+++ b/src/org/jetbrains/java/decompiler/main/collectors/ImportCollector.java
@@ -145,7 +145,7 @@ public class ImportCollector {
// exclude a current class or one of the nested ones, java.lang and empty packages
if (!setNotImportedNames.contains(ent.getKey()) &&
!JAVA_LANG_PACKAGE.equals(ent.getValue()) &&
- !ent.getValue().isEmpty()) {
+ !ent.getValue().isEmpty() && !ent.getValue().equals(this.currentPackagePoint)) { // Spigot: Remove same package imports
res.add(ent.getValue() + "." + ent.getKey());
}
}
diff --git a/src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java b/src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java
index 4a32179..b89bcd2 100644
--- a/src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java
+++ b/src/org/jetbrains/java/decompiler/main/rels/ClassWrapper.java
@@ -131,7 +131,7 @@ public class ClassWrapper {
int varindex = 0;
for (int i = 0; i < paramcount; i++) {
- varproc.setVarName(new VarVersionPaar(varindex, 0), vc.getFreeName(varindex));
+ varproc.setVarName(new VarVersionPaar(varindex, 0, classStruct.qualifiedName, false), vc.getFreeName(varindex));
if (thisvar) {
if (i == 0) {
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java b/src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java
index e283fdf..7b2f3a2 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/ExprProcessor.java
@@ -41,6 +41,7 @@ import org.jetbrains.java.decompiler.struct.gen.VarType;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
import java.util.*;
+import org.jetbrains.java.decompiler.util.SortUtil;
public class ExprProcessor implements CodeConstants {
@@ -814,8 +815,10 @@ public class ExprProcessor implements CodeConstants {
String new_line_separator = DecompilerContext.getNewLineSeparator();
StringBuilder buf = new StringBuilder();
-
- for (Exprent expr : lst) {
+ // Spigot Start
+ for (Iterator<Exprent> iter = SortUtil.sortIndexed(lst.iterator()); iter.hasNext();) {
+ Exprent expr = iter.next();
+ // Spigot End
String content = expr.toJava(indent, tracer);
if (content.length() > 0) {
if (expr.type != Exprent.EXPRENT_VAR || !((VarExprent)expr).isClassdef()) {
@@ -877,7 +880,7 @@ public class ExprProcessor implements CodeConstants {
boolean cast =
!leftType.isSuperset(rightType) && (rightType.equals(VarType.VARTYPE_OBJECT) || leftType.type != CodeConstants.TYPE_OBJECT);
- cast |= castAlways;
+ cast |= castAlways && !leftType.equals(rightType); // Spigot
if (!cast && castNull && rightType.type == CodeConstants.TYPE_NULL) {
// check for a nameless anonymous class
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/FinallyProcessor.java b/src/org/jetbrains/java/decompiler/modules/decompiler/FinallyProcessor.java
index 6198da1..6f83baf 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/FinallyProcessor.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/FinallyProcessor.java
@@ -529,7 +529,7 @@ public class FinallyProcessor {
}
while (index < lst.size());
- HashSet<BasicBlock> res = new HashSet<BasicBlock>();
+ HashSet<BasicBlock> res = new LinkedHashSet<BasicBlock>(); // Spigot: Fix determinism
for (Statement st : lst) {
res.add(((BasicBlockStatement)st).getBlock());
@@ -571,7 +571,7 @@ public class FinallyProcessor {
}
// identify start blocks
- HashSet<BasicBlock> startBlocks = new HashSet<BasicBlock>();
+ HashSet<BasicBlock> startBlocks = new LinkedHashSet<BasicBlock>(); // Spigot: Fix determinism
for (BasicBlock block : tryBlocks) {
startBlocks.addAll(block.getSuccs());
}
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/FieldExprent.java b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/FieldExprent.java
index e51615d..5363477 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/FieldExprent.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/FieldExprent.java
@@ -102,7 +102,7 @@ public class FieldExprent extends Exprent {
if (isStatic) {
ClassNode node = (ClassNode)DecompilerContext.getProperty(DecompilerContext.CURRENT_CLASS_NODE);
- if (node == null || !classname.equals(node.classStruct.qualifiedName)) {
+ if (true || node == null || !classname.equals(node.classStruct.qualifiedName)) { // Spigot
buf.append(DecompilerContext.getImportCollector().getShortName(ExprProcessor.buildJavaClassName(classname)));
buf.append(".");
}
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java
index 92d549e..e9d9064 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/InvocationExprent.java
@@ -373,13 +373,26 @@ public class InvocationExprent extends Exprent {
return buf.toString();
}
+ private Set<StructClass> addAllSuper(Set<StructClass> set, String clazz) {
+ StructClass cstr = DecompilerContext.getStructContext().getClass(clazz);
+ if (cstr == null) {
+ return set;
+ }
+ set.add(cstr);
+ for (String inter : cstr.getInterfaceNames()) {
+ addAllSuper(set, inter);
+ }
+ addAllSuper(set, cstr.superClass.getString());
+
+ return set;
+ }
+
private Set<Integer> getAmbiguousParameters() {
Set<Integer> ret = new HashSet<Integer>();
- StructClass cstr = DecompilerContext.getStructContext().getClass(classname);
- if (cstr != null) {
- List<MethodDescriptor> lstMethods = new ArrayList<MethodDescriptor>();
+ List<MethodDescriptor> lstMethods = new ArrayList<MethodDescriptor>();
+ for (StructClass cstr : addAllSuper(new HashSet<StructClass>(), classname)) {
for (StructMethod meth : cstr.getMethods()) {
if (name.equals(meth.getName())) {
MethodDescriptor md = MethodDescriptor.parseDescriptor(meth.getDescriptor());
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java
index 16e6c64..b8e60e7 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/exps/VarExprent.java
@@ -27,11 +27,12 @@ import org.jetbrains.java.decompiler.modules.decompiler.vars.VarTypeProcessor;
import org.jetbrains.java.decompiler.modules.decompiler.vars.VarVersionPaar;
import org.jetbrains.java.decompiler.struct.gen.VarType;
import org.jetbrains.java.decompiler.util.InterpreterUtil;
+import org.jetbrains.java.decompiler.util.SortUtil;
import java.util.ArrayList;
import java.util.List;
-public class VarExprent extends Exprent {
+public class VarExprent extends Exprent implements SortUtil.Indexed { // Spigot
public static final int STACK_BASE = 10000;
@@ -94,15 +95,16 @@ public class VarExprent extends Exprent {
}
else {
String name = null;
+ String typeName = ExprProcessor.getCastTypeName(getVartype()); // Spigot
if (processor != null) {
- name = processor.getVarName(new VarVersionPaar(index, version));
+ name = processor.getVarName(new VarVersionPaar(index, version, typeName, false)); // Spigot
}
if (definition) {
if (processor != null && processor.getVarFinal(new VarVersionPaar(index, version)) == VarTypeProcessor.VAR_FINALEXPLICIT) {
buffer.append("final ");
}
- buffer.append(ExprProcessor.getCastTypeName(getVartype())).append(" ");
+ buffer.append(typeName).append(" "); // Spigot
}
buffer.append(name == null ? ("var" + index + (version == 0 ? "" : "_" + version)) : name);
}
@@ -128,6 +130,13 @@ public class VarExprent extends Exprent {
this.index = index;
}
+ // Spigot Start
+ @Override
+ public int getSortIndex() {
+ return (definition) ? index : -1;
+ }
+ // Spigot End
+
public VarType getVartype() {
VarType vt = null;
if (processor != null) {
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarProcessor.java b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarProcessor.java
index 266ba94..4d4dabb 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarProcessor.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarProcessor.java
@@ -21,6 +21,7 @@ import org.jetbrains.java.decompiler.modules.decompiler.stats.RootStatement;
import org.jetbrains.java.decompiler.modules.decompiler.stats.Statement;
import org.jetbrains.java.decompiler.struct.StructMethod;
import org.jetbrains.java.decompiler.struct.gen.VarType;
+import org.jetbrains.java.decompiler.util.VarHelper; // Spigot
import java.util.*;
import java.util.Map.Entry;
@@ -36,6 +37,8 @@ public class VarProcessor {
private HashSet<VarVersionPaar> externvars = new HashSet<VarVersionPaar>();
+ private VarHelper helper = new VarHelper(); // Spigot
+
public void setVarVersions(RootStatement root) {
varvers = new VarVersionsProcessor();
@@ -104,7 +107,13 @@ public class VarProcessor {
}
public String getVarName(VarVersionPaar varpaar) {
- return mapVarNames == null ? null : mapVarNames.get(varpaar);
+ // Spigot Start
+ String name = mapVarNames.get(varpaar);
+ if (name != null) {
+ mapVarNames.put(varpaar, name = helper.help(name, varpaar.type, varpaar.varargs));
+ }
+ return name;
+ // Spigot End
}
public void setVarName(VarVersionPaar varpaar, String name) {
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionPaar.java b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionPaar.java
index 5f3e520..3bf29fe 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionPaar.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionPaar.java
@@ -17,10 +17,12 @@ package org.jetbrains.java.decompiler.modules.decompiler.vars;
import org.jetbrains.java.decompiler.modules.decompiler.exps.VarExprent;
-public class VarVersionPaar {
+public class VarVersionPaar implements Comparable<VarVersionPaar> { // Spigot
public int var;
public int version;
+ public String type;
+ public boolean varargs;
private int hashCode = -1;
@@ -29,9 +31,11 @@ public class VarVersionPaar {
this.version = version;
}
- public VarVersionPaar(Integer var, Integer version) {
- this.var = var.intValue();
- this.version = version.intValue();
+ public VarVersionPaar(int var, int version, String type, boolean varargs) {
+ this.var = var;
+ this.version = version;
+ this.type = type;
+ this.varargs = varargs;
}
public VarVersionPaar(VarExprent var) {
@@ -60,4 +64,14 @@ public class VarVersionPaar {
public String toString() {
return "(" + var + "," + version + ")";
}
+
+ // Spigot Start
+ @Override
+ public int compareTo(VarVersionPaar o) {
+ if (this.var != o.var) {
+ return this.var - o.var;
+ }
+ return this.version - o.version;
+ }
+ // Spigot End
}
diff --git a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionsProcessor.java b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionsProcessor.java
index 06b7216..6a30f1b 100644
--- a/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionsProcessor.java
+++ b/src/org/jetbrains/java/decompiler/modules/decompiler/vars/VarVersionsProcessor.java
@@ -31,6 +31,7 @@ import org.jetbrains.java.decompiler.util.FastSparseSetFactory.FastSparseSet;
import java.util.*;
import java.util.Map.Entry;
+import org.jetbrains.java.decompiler.util.SortUtil;
public class VarVersionsProcessor {
@@ -254,9 +255,10 @@ public class VarVersionsProcessor {
HashMap<Integer, Integer> mapOriginalVarIndices = new HashMap<Integer, Integer>();
// map var-version paars on new var indexes
- HashSet<VarVersionPaar> set = new HashSet<VarVersionPaar>(mapExprentMinTypes.keySet());
- for (VarVersionPaar vpaar : set) {
-
+ // Spigot Start
+ for (Iterator<VarVersionPaar> iter = SortUtil.sortComparable(mapExprentMinTypes.keySet().iterator()); iter.hasNext();) {
+ VarVersionPaar vpaar = iter.next();
+ // Spigot End
if (vpaar.version >= 0) {
int newindex = vpaar.version == 1 ? vpaar.var :
ccon.getCounterAndIncrement(CounterContainer.VAR_COUNTER);
diff --git a/src/org/jetbrains/java/decompiler/util/SortUtil.java b/src/org/jetbrains/java/decompiler/util/SortUtil.java
new file mode 100644
index 0000000..e227e02
--- /dev/null
+++ b/src/org/jetbrains/java/decompiler/util/SortUtil.java
@@ -0,0 +1,65 @@
+package org.jetbrains.java.decompiler.util;
+
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.Comparator;
+import java.util.Iterator;
+import java.util.List;
+
+public class SortUtil
+{
+ public static interface Indexed
+ {
+ public int getSortIndex();
+ }
+
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public static Iterator sortIndexed(Iterator itr)
+ {
+ List list = new ArrayList();
+ List<Indexed> def_dec = new ArrayList<Indexed>();
+ int first = -1;
+
+ while(itr.hasNext())
+ {
+ Object i = itr.next();
+ //Split off any default variable declarations and sort them.
+ if (i instanceof Indexed && ((Indexed)i).getSortIndex() >= 0)
+ {
+ if (first == -1) first = list.size();
+ def_dec.add((Indexed)i);
+ }
+ else
+ {
+ list.add(i);
+ }
+ }
+
+ if (def_dec.size() > 0)
+ {
+ Collections.sort(def_dec, new Comparator<Indexed>()
+ {
+ @Override
+ public int compare(Indexed o1, Indexed o2)
+ {
+ return o1.getSortIndex() - o2.getSortIndex();
+ }
+ });
+ list.addAll(first, def_dec);
+ }
+
+ return list.iterator();
+ }
+
+ @SuppressWarnings({ "unchecked", "rawtypes" })
+ public static <T extends Comparable> Iterator<T> sortComparable(Iterator<T> itr)
+ {
+ List<T> list = new ArrayList<T>();
+
+ while (itr.hasNext())
+ list.add(itr.next());
+
+ Collections.sort(list);
+ return list.iterator();
+ }
+}
diff --git a/src/org/jetbrains/java/decompiler/util/VarHelper.java b/src/org/jetbrains/java/decompiler/util/VarHelper.java
new file mode 100644
index 0000000..5001cb0
--- /dev/null
+++ b/src/org/jetbrains/java/decompiler/util/VarHelper.java
@@ -0,0 +1,92 @@
+package org.jetbrains.java.decompiler.util;
+
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+
+public class VarHelper {
+
+ private static final Map<String, String[]> switches = new HashMap<String, String[]>();
+
+ static {
+ switches.put("byte", new String[]{
+ "b"
+ });
+ switches.put("char", new String[]{
+ "c"
+ });
+ switches.put("short", new String[]{
+ "short"
+ });
+ switches.put("int", new String[]{
+ "i", "j", "k", "l"
+ });
+ switches.put("long", new String[]{
+ "i", "j", "k", "l"
+ });
+ switches.put("boolean", new String[]{
+ "flag"
+ });
+ switches.put("double", new String[]{
+ "d"
+ });
+ switches.put("float", new String[]{
+ "f", "f" // Add twice because the original script is inconsistent
+ });
+ switches.put("String", new String[]{
+ "s", "s" // Add twice because the original script is inconsistent
+ });
+ switches.put("Class", new String[]{
+ "oclass"
+ });
+ switches.put("Long", new String[]{
+ "olong"
+ });
+ switches.put("Byte", new String[]{
+ "obyte"
+ });
+ switches.put("Short", new String[]{
+ "oshort"
+ });
+ switches.put("Boolean", new String[]{
+ "obool"
+ });
+ switches.put("Long", new String[]{
+ "olong"
+ });
+ switches.put("Enum", new String[]{
+ "oenum"
+ });
+ }
+ private final Set<String> used = new HashSet<String>();
+
+ public String help(String name, String type, boolean varArgs) {
+ if (type == null || !name.startsWith("var")) {
+ return name;
+ }
+
+ if (type.endsWith("]")) {
+ type = "a" + type.substring(0, type.indexOf('['));
+ } else if (varArgs) {
+ type = "a" + type;
+ }
+
+ String[] remap = switches.get(type);
+ if (remap == null) {
+ remap = new String[]{
+ type.toLowerCase()
+ };
+ }
+
+ for (int counter = 0;; counter++) {
+ for (String subMap : remap) {
+ String attempt = subMap + ((counter == 0 && !subMap.equals("short") && (remap.length > 1 || subMap.length() > 1)) ? "" : counter);
+ if (!used.contains(attempt)) {
+ used.add(attempt);
+ return attempt;
+ }
+ }
+ }
+ }
+}