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-rw-r--r--src/org/jetbrains/java/decompiler/struct/consts/ConstantPool.java602
1 files changed, 302 insertions, 300 deletions
diff --git a/src/org/jetbrains/java/decompiler/struct/consts/ConstantPool.java b/src/org/jetbrains/java/decompiler/struct/consts/ConstantPool.java
index 8951cd1..5a593af 100644
--- a/src/org/jetbrains/java/decompiler/struct/consts/ConstantPool.java
+++ b/src/org/jetbrains/java/decompiler/struct/consts/ConstantPool.java
@@ -1,26 +1,20 @@
/*
- * Fernflower - The Analytical Java Decompiler
- * http://www.reversed-java.com
+ * Copyright 2000-2014 JetBrains s.r.o.
*
- * (C) 2008 - 2010, Stiver
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
*
- * This software is NEITHER public domain NOR free software
- * as per GNU License. See license.txt for more details.
+ * http://www.apache.org/licenses/LICENSE-2.0
*
- * This software is distributed WITHOUT ANY WARRANTY; without
- * even the implied warranty of MERCHANTABILITY or FITNESS FOR
- * A PARTICULAR PURPOSE.
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
*/
-
package org.jetbrains.java.decompiler.struct.consts;
-import java.io.DataInputStream;
-import java.io.DataOutputStream;
-import java.io.FileNotFoundException;
-import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
-
import org.jetbrains.java.decompiler.code.CodeConstants;
import org.jetbrains.java.decompiler.main.DecompilerContext;
import org.jetbrains.java.decompiler.modules.renamer.PoolInterceptor;
@@ -28,289 +22,297 @@ import org.jetbrains.java.decompiler.struct.gen.FieldDescriptor;
import org.jetbrains.java.decompiler.struct.gen.MethodDescriptor;
import org.jetbrains.java.decompiler.struct.gen.VarType;
+import java.io.DataInputStream;
+import java.io.DataOutputStream;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
public class ConstantPool {
-
- public static final int FIELD = 1;
-
- public static final int METHOD = 2;
-
- // *****************************************************************************
- // private fields
- // *****************************************************************************
-
- private List<PooledConstant> pool = new ArrayList<PooledConstant>();
-
- private PoolInterceptor interceptor;
-
- // *****************************************************************************
- // constructors
- // *****************************************************************************
-
- public ConstantPool(DataInputStream in) throws IOException {
-
- int size = in.readUnsignedShort();
-
- int[] pass = new int[size];
-
- // first dummy constant
- pool.add(null);
-
- // first pass: read the elements
- for (int i = 1; i < size; i++) {
-
- byte tag = (byte)in.readUnsignedByte();
-
- switch (tag) {
- case CodeConstants.CONSTANT_Utf8:
- pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Utf8, in.readUTF()));
- break;
- case CodeConstants.CONSTANT_Integer:
- pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Integer, new Integer(in.readInt())));
- break;
- case CodeConstants.CONSTANT_Float:
- pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Float, new Float(in.readFloat())));
- break;
- case CodeConstants.CONSTANT_Long:
- pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Long, new Long(in.readLong())));
- pool.add(null);
- i++;
- break;
- case CodeConstants.CONSTANT_Double:
- pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Double, new Double(in.readDouble())));
- pool.add(null);
- i++;
- break;
- case CodeConstants.CONSTANT_Class:
- case CodeConstants.CONSTANT_String:
- case CodeConstants.CONSTANT_MethodType:
- pool.add(new PrimitiveConstant(tag, in.readUnsignedShort()));
- pass[i] = 1;
- break;
- case CodeConstants.CONSTANT_Fieldref:
- case CodeConstants.CONSTANT_Methodref:
- case CodeConstants.CONSTANT_InterfaceMethodref:
- case CodeConstants.CONSTANT_NameAndType:
- case CodeConstants.CONSTANT_InvokeDynamic:
- pool.add(new LinkConstant(tag, in.readUnsignedShort(), in.readUnsignedShort()));
- if(tag == CodeConstants.CONSTANT_NameAndType) {
- pass[i] = 1;
- } else {
- pass[i] = 2;
- }
- break;
- case CodeConstants.CONSTANT_MethodHandle:
- pool.add(new LinkConstant(tag, in.readUnsignedByte(), in.readUnsignedShort()));
- pass[i] = 3;
- break;
- }
- }
-
-
- // resolving complex pool elements
- for(int pass_index = 1; pass_index <= 3; pass_index++) {
- for(int i = 1; i < size; i++) {
- if(pass[i] == pass_index) {
- pool.get(i).resolveConstant(this);
- }
- }
- }
-
- // get global constant pool interceptor instance, if any available
- interceptor = DecompilerContext.getPoolInterceptor();
- }
-
- // *****************************************************************************
- // public methods
- // *****************************************************************************
-
- public void writeToOutputStream(DataOutputStream out) throws FileNotFoundException, IOException {
-
- out.writeShort(pool.size());
- for(int i=1;i<pool.size();i++) {
- PooledConstant cnst = (PooledConstant)pool.get(i);
- if(cnst!=null) {
- cnst.writeToStream(out);
- }
- }
- }
-
- public static void skipPool(DataInputStream in) throws IOException {
-
- int size = in.readUnsignedShort();
-
- for (int i = 1; i < size; i++) {
- switch (in.readUnsignedByte()) {
- case CodeConstants.CONSTANT_Utf8:
- in.readUTF();
- break;
- case CodeConstants.CONSTANT_Integer:
- case CodeConstants.CONSTANT_Float:
- case CodeConstants.CONSTANT_Fieldref:
- case CodeConstants.CONSTANT_Methodref:
- case CodeConstants.CONSTANT_InterfaceMethodref:
- case CodeConstants.CONSTANT_NameAndType:
- case CodeConstants.CONSTANT_InvokeDynamic:
- in.skip(4);
- break;
- case CodeConstants.CONSTANT_Long:
- case CodeConstants.CONSTANT_Double:
- in.skip(8);
- i++;
- break;
- case CodeConstants.CONSTANT_Class:
- case CodeConstants.CONSTANT_String:
- case CodeConstants.CONSTANT_MethodType:
- in.skip(2);
- break;
- case CodeConstants.CONSTANT_MethodHandle:
- in.skip(3);
- }
- }
- }
-
- public int size() {
- return pool.size();
- }
-
- public String[] getClassElement(int element_type, int class_index, int name_index, int descriptor_index) {
-
- String classname = ((PrimitiveConstant)getConstant(class_index)).getString();
- String elementname = ((PrimitiveConstant)getConstant(name_index)).getString();
- String descriptor = ((PrimitiveConstant)getConstant(descriptor_index)).getString();
-
- if(interceptor != null) {
- String new_element = interceptor.getName(classname+" "+elementname+" "+descriptor);
-
- if(new_element != null) {
- elementname = new_element.split(" ")[1];
- }
-
- String new_descriptor = buildNewDescriptor(element_type == FIELD?CodeConstants.CONSTANT_Fieldref:CodeConstants.CONSTANT_Methodref,
- descriptor);
- if(new_descriptor != null) {
- descriptor = new_descriptor;
- }
- }
-
- return new String[] {elementname, descriptor};
- }
-
- public PooledConstant getConstant(int index) {
- return pool.get(index);
- }
-
- public PrimitiveConstant getPrimitiveConstant(int index) {
- PrimitiveConstant cn = (PrimitiveConstant)getConstant(index);
-
- if(cn != null && interceptor != null) {
- if(cn.type == CodeConstants.CONSTANT_Class) {
- String newname = buildNewClassname(cn.getString());
- if(newname != null) {
- cn = new PrimitiveConstant(CodeConstants.CONSTANT_Class, newname);
- }
- }
- }
-
- return cn;
- }
-
- public LinkConstant getLinkConstant(int index) {
- LinkConstant ln = (LinkConstant)getConstant(index);
-
- if(ln != null && interceptor != null) {
- if(ln.type == CodeConstants.CONSTANT_Fieldref ||
- ln.type == CodeConstants.CONSTANT_Methodref ||
- ln.type == CodeConstants.CONSTANT_InterfaceMethodref) {
-
- String new_classname = buildNewClassname(ln.classname);
- String new_element = interceptor.getName(ln.classname+" "+ln.elementname+" "+ln.descriptor);
- String new_descriptor = buildNewDescriptor(ln.type, ln.descriptor);
-
- if(new_classname != null || new_element != null || new_descriptor != null) {
-
- ln = new LinkConstant(ln.type, new_classname==null?ln.classname:new_classname,
- new_element==null?ln.elementname:new_element.split(" ")[1],
- new_descriptor==null?ln.descriptor:new_descriptor);
- }
- }
- }
-
- return ln;
- }
-
- private String buildNewClassname(String classname) {
-
- VarType vt = new VarType(classname, true);
-
- String newname = interceptor.getName(vt.value);
- if(newname != null) {
- StringBuilder buffer = new StringBuilder();
-
- if(vt.arraydim > 0) {
- for(int i=0;i<vt.arraydim;i++) {
- buffer.append("[");
- }
-
- buffer.append("L"+newname+";");
- } else {
- buffer.append(newname);
- }
-
- return buffer.toString();
- }
-
- return null;
- }
-
- private String buildNewDescriptor(int type, String descriptor) {
-
- boolean updated = false;
-
- if(type == CodeConstants.CONSTANT_Fieldref) {
- FieldDescriptor fd = FieldDescriptor.parseDescriptor(descriptor);
-
- VarType ftype = fd.type;
- if(ftype.type == CodeConstants.TYPE_OBJECT) {
- String newclname = buildNewClassname(ftype.value);
- if(newclname != null) {
- ftype.value = newclname;
- updated = true;
- }
- }
-
- if(updated) {
- return fd.getDescriptor();
- }
-
- } else {
-
- MethodDescriptor md = MethodDescriptor.parseDescriptor(descriptor);
- // params
- for(VarType partype : md.params) {
- if(partype.type == CodeConstants.TYPE_OBJECT) {
- String newclname = buildNewClassname(partype.value);
- if(newclname != null) {
- partype.value = newclname;
- updated = true;
- }
- }
- }
-
- // return value
- if(md.ret.type == CodeConstants.TYPE_OBJECT) {
- String newclname = buildNewClassname(md.ret.value);
- if(newclname!=null) {
- md.ret.value = newclname;
- updated = true;
- }
- }
-
- if(updated) {
- return md.getDescriptor();
- }
- }
-
- return null;
- }
-
+
+ public static final int FIELD = 1;
+
+ public static final int METHOD = 2;
+
+ // *****************************************************************************
+ // private fields
+ // *****************************************************************************
+
+ private List<PooledConstant> pool = new ArrayList<PooledConstant>();
+
+ private PoolInterceptor interceptor;
+
+ // *****************************************************************************
+ // constructors
+ // *****************************************************************************
+
+ public ConstantPool(DataInputStream in) throws IOException {
+
+ int size = in.readUnsignedShort();
+
+ int[] pass = new int[size];
+
+ // first dummy constant
+ pool.add(null);
+
+ // first pass: read the elements
+ for (int i = 1; i < size; i++) {
+
+ byte tag = (byte)in.readUnsignedByte();
+
+ switch (tag) {
+ case CodeConstants.CONSTANT_Utf8:
+ pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Utf8, in.readUTF()));
+ break;
+ case CodeConstants.CONSTANT_Integer:
+ pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Integer, new Integer(in.readInt())));
+ break;
+ case CodeConstants.CONSTANT_Float:
+ pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Float, new Float(in.readFloat())));
+ break;
+ case CodeConstants.CONSTANT_Long:
+ pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Long, new Long(in.readLong())));
+ pool.add(null);
+ i++;
+ break;
+ case CodeConstants.CONSTANT_Double:
+ pool.add(new PrimitiveConstant(CodeConstants.CONSTANT_Double, new Double(in.readDouble())));
+ pool.add(null);
+ i++;
+ break;
+ case CodeConstants.CONSTANT_Class:
+ case CodeConstants.CONSTANT_String:
+ case CodeConstants.CONSTANT_MethodType:
+ pool.add(new PrimitiveConstant(tag, in.readUnsignedShort()));
+ pass[i] = 1;
+ break;
+ case CodeConstants.CONSTANT_Fieldref:
+ case CodeConstants.CONSTANT_Methodref:
+ case CodeConstants.CONSTANT_InterfaceMethodref:
+ case CodeConstants.CONSTANT_NameAndType:
+ case CodeConstants.CONSTANT_InvokeDynamic:
+ pool.add(new LinkConstant(tag, in.readUnsignedShort(), in.readUnsignedShort()));
+ if (tag == CodeConstants.CONSTANT_NameAndType) {
+ pass[i] = 1;
+ }
+ else {
+ pass[i] = 2;
+ }
+ break;
+ case CodeConstants.CONSTANT_MethodHandle:
+ pool.add(new LinkConstant(tag, in.readUnsignedByte(), in.readUnsignedShort()));
+ pass[i] = 3;
+ break;
+ }
+ }
+
+
+ // resolving complex pool elements
+ for (int pass_index = 1; pass_index <= 3; pass_index++) {
+ for (int i = 1; i < size; i++) {
+ if (pass[i] == pass_index) {
+ pool.get(i).resolveConstant(this);
+ }
+ }
+ }
+
+ // get global constant pool interceptor instance, if any available
+ interceptor = DecompilerContext.getPoolInterceptor();
+ }
+
+ // *****************************************************************************
+ // public methods
+ // *****************************************************************************
+
+ public void writeToOutputStream(DataOutputStream out) throws FileNotFoundException, IOException {
+
+ out.writeShort(pool.size());
+ for (int i = 1; i < pool.size(); i++) {
+ PooledConstant cnst = (PooledConstant)pool.get(i);
+ if (cnst != null) {
+ cnst.writeToStream(out);
+ }
+ }
+ }
+
+ public static void skipPool(DataInputStream in) throws IOException {
+
+ int size = in.readUnsignedShort();
+
+ for (int i = 1; i < size; i++) {
+ switch (in.readUnsignedByte()) {
+ case CodeConstants.CONSTANT_Utf8:
+ in.readUTF();
+ break;
+ case CodeConstants.CONSTANT_Integer:
+ case CodeConstants.CONSTANT_Float:
+ case CodeConstants.CONSTANT_Fieldref:
+ case CodeConstants.CONSTANT_Methodref:
+ case CodeConstants.CONSTANT_InterfaceMethodref:
+ case CodeConstants.CONSTANT_NameAndType:
+ case CodeConstants.CONSTANT_InvokeDynamic:
+ in.skip(4);
+ break;
+ case CodeConstants.CONSTANT_Long:
+ case CodeConstants.CONSTANT_Double:
+ in.skip(8);
+ i++;
+ break;
+ case CodeConstants.CONSTANT_Class:
+ case CodeConstants.CONSTANT_String:
+ case CodeConstants.CONSTANT_MethodType:
+ in.skip(2);
+ break;
+ case CodeConstants.CONSTANT_MethodHandle:
+ in.skip(3);
+ }
+ }
+ }
+
+ public int size() {
+ return pool.size();
+ }
+
+ public String[] getClassElement(int element_type, int class_index, int name_index, int descriptor_index) {
+
+ String classname = ((PrimitiveConstant)getConstant(class_index)).getString();
+ String elementname = ((PrimitiveConstant)getConstant(name_index)).getString();
+ String descriptor = ((PrimitiveConstant)getConstant(descriptor_index)).getString();
+
+ if (interceptor != null) {
+ String new_element = interceptor.getName(classname + " " + elementname + " " + descriptor);
+
+ if (new_element != null) {
+ elementname = new_element.split(" ")[1];
+ }
+
+ String new_descriptor = buildNewDescriptor(element_type == FIELD ? CodeConstants.CONSTANT_Fieldref : CodeConstants.CONSTANT_Methodref,
+ descriptor);
+ if (new_descriptor != null) {
+ descriptor = new_descriptor;
+ }
+ }
+
+ return new String[]{elementname, descriptor};
+ }
+
+ public PooledConstant getConstant(int index) {
+ return pool.get(index);
+ }
+
+ public PrimitiveConstant getPrimitiveConstant(int index) {
+ PrimitiveConstant cn = (PrimitiveConstant)getConstant(index);
+
+ if (cn != null && interceptor != null) {
+ if (cn.type == CodeConstants.CONSTANT_Class) {
+ String newname = buildNewClassname(cn.getString());
+ if (newname != null) {
+ cn = new PrimitiveConstant(CodeConstants.CONSTANT_Class, newname);
+ }
+ }
+ }
+
+ return cn;
+ }
+
+ public LinkConstant getLinkConstant(int index) {
+ LinkConstant ln = (LinkConstant)getConstant(index);
+
+ if (ln != null && interceptor != null) {
+ if (ln.type == CodeConstants.CONSTANT_Fieldref ||
+ ln.type == CodeConstants.CONSTANT_Methodref ||
+ ln.type == CodeConstants.CONSTANT_InterfaceMethodref) {
+
+ String new_classname = buildNewClassname(ln.classname);
+ String new_element = interceptor.getName(ln.classname + " " + ln.elementname + " " + ln.descriptor);
+ String new_descriptor = buildNewDescriptor(ln.type, ln.descriptor);
+
+ if (new_classname != null || new_element != null || new_descriptor != null) {
+
+ ln = new LinkConstant(ln.type, new_classname == null ? ln.classname : new_classname,
+ new_element == null ? ln.elementname : new_element.split(" ")[1],
+ new_descriptor == null ? ln.descriptor : new_descriptor);
+ }
+ }
+ }
+
+ return ln;
+ }
+
+ private String buildNewClassname(String classname) {
+
+ VarType vt = new VarType(classname, true);
+
+ String newname = interceptor.getName(vt.value);
+ if (newname != null) {
+ StringBuilder buffer = new StringBuilder();
+
+ if (vt.arraydim > 0) {
+ for (int i = 0; i < vt.arraydim; i++) {
+ buffer.append("[");
+ }
+
+ buffer.append("L" + newname + ";");
+ }
+ else {
+ buffer.append(newname);
+ }
+
+ return buffer.toString();
+ }
+
+ return null;
+ }
+
+ private String buildNewDescriptor(int type, String descriptor) {
+
+ boolean updated = false;
+
+ if (type == CodeConstants.CONSTANT_Fieldref) {
+ FieldDescriptor fd = FieldDescriptor.parseDescriptor(descriptor);
+
+ VarType ftype = fd.type;
+ if (ftype.type == CodeConstants.TYPE_OBJECT) {
+ String newclname = buildNewClassname(ftype.value);
+ if (newclname != null) {
+ ftype.value = newclname;
+ updated = true;
+ }
+ }
+
+ if (updated) {
+ return fd.getDescriptor();
+ }
+ }
+ else {
+
+ MethodDescriptor md = MethodDescriptor.parseDescriptor(descriptor);
+ // params
+ for (VarType partype : md.params) {
+ if (partype.type == CodeConstants.TYPE_OBJECT) {
+ String newclname = buildNewClassname(partype.value);
+ if (newclname != null) {
+ partype.value = newclname;
+ updated = true;
+ }
+ }
+ }
+
+ // return value
+ if (md.ret.type == CodeConstants.TYPE_OBJECT) {
+ String newclname = buildNewClassname(md.ret.value);
+ if (newclname != null) {
+ md.ret.value = newclname;
+ updated = true;
+ }
+ }
+
+ if (updated) {
+ return md.getDescriptor();
+ }
+ }
+
+ return null;
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-11 02:31:35 +0000