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https://git.huckle.dev/Huckles-Minecraft-Archive/jpexs-decompiler.git
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Initial version based on previous work. (Version alpha 7)
This commit is contained in:
Jindra Pet��k
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/*
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* Copyright (c) 2010. JPEXS
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*/
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package com.jpexs.asdec.abc;
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import com.jpexs.asdec.abc.types.InstanceInfo;
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import com.jpexs.asdec.abc.types.MethodInfo;
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import com.jpexs.asdec.abc.types.Multiname;
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import com.jpexs.asdec.abc.types.Namespace;
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import com.jpexs.asdec.abc.types.traits.*;
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import java.io.IOException;
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import java.io.OutputStream;
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public class ABCOutputStream extends OutputStream {
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private OutputStream os;
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public ABCOutputStream(OutputStream os) {
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this.os = os;
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}
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@Override
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public void write(int b) throws IOException {
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os.write(b);
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}
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public void writeU30(long value) throws IOException {
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writeS32(value);
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/*boolean loop = true;
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boolean underZero=value<0;
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if(underZero){
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value = value & 0xFFFFFFFF;
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}else{
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value = value & 0x7FFFFFFF;
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}
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do {
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int ret = (int) (value & 0x7F);
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if (value < 0x80) {
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loop = false;
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}
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if (value > 0x7F) {
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ret += 0x80;
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}
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write(ret);
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value = value >> 7;
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} while (loop);
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*/
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}
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public void writeU32(long value) throws IOException {
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boolean loop = true;
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value = value & 0xFFFFFFFF;
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do {
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int ret = (int) (value & 0x7F);
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if (value < 0x80) {
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loop = false;
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}
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if (value > 0x7F) {
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ret += 0x80;
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}
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write(ret);
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value = value >> 7;
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} while (loop);
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}
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public void writeS24(long value) throws IOException {
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int ret = (int) (value & 0xff);
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write(ret);
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value = value >> 8;
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ret = (int) (value & 0xff);
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write(ret);
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value = value >> 8;
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ret = (int) (value & 0xff);
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write(ret);
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value = value >> 8;
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}
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public void writeS32(long value) throws IOException {
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boolean belowZero = value < 0;
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/*if (belowZero) {
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value = -value;
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}*/
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int bitcount = 0;
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boolean loop = true;
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//value = value & 0xFFFFFFFF;
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do {
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bitcount += 7;
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int ret = (int) (value & 0x7F);
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if (value < 0x80) {
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if (belowZero) { //&& bitcount < 35
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ret += 0x80;
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} else {
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loop = false;
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}
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} else {
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ret += 0x80;
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}
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if (bitcount == 35) {
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ret = ret & 0xf;
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}
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write(ret);
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if (bitcount == 35) {
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break;
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}
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value = value >> 7;
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} while (loop);
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}
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public void writeLong(long value) throws IOException {
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byte writeBuffer[] = new byte[8];
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writeBuffer[7] = (byte) (value >>> 56);
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writeBuffer[6] = (byte) (value >>> 48);
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writeBuffer[5] = (byte) (value >>> 40);
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writeBuffer[4] = (byte) (value >>> 32);
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writeBuffer[3] = (byte) (value >>> 24);
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writeBuffer[2] = (byte) (value >>> 16);
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writeBuffer[1] = (byte) (value >>> 8);
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writeBuffer[0] = (byte) (value >>> 0);
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write(writeBuffer);
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}
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public void writeDouble(double value) throws IOException {
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writeLong(Double.doubleToLongBits(value));
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}
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public void writeU8(int value) throws IOException {
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write(value);
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}
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public void writeU16(int value) throws IOException {
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write(value & 0xff);
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write((value >> 8) & 0xff);
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}
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public void writeString(String s) throws IOException {
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byte sbytes[] = s.getBytes("utf8");
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writeU30(sbytes.length);
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write(sbytes);
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}
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public void writeNamespace(Namespace ns) throws IOException {
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write(ns.kind);
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for (int k = 0; k < Namespace.nameSpaceKinds.length; k++) {
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if (Namespace.nameSpaceKinds[k] == ns.kind) {
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writeU30(ns.name_index);
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break;
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}
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}
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}
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public void writeMultiname(Multiname m) throws IOException {
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write(m.kind);
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if ((m.kind == 7) || (m.kind == 0xd)) { // CONSTANT_QName and CONSTANT_QNameA.
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writeU30(m.namespace_index);
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writeU30(m.name_index);
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}
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if ((m.kind == 9) || (m.kind == 0xe)) { // CONSTANT_Multiname and CONSTANT_MultinameA.
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writeU30(m.name_index);
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writeU30(m.namespace_set_index);
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}
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if ((m.kind == 0xf) || (m.kind == 0x10)) { //CONSTANT_RTQName and CONSTANT_RTQNameA
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writeU30(m.name_index);
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}
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if ((m.kind == 0x1B) || (m.kind == 0x1C)) { //CONSTANT_MultinameL and CONSTANT_MultinameLA
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writeU30(m.namespace_set_index);
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}
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//kind==0x11,0x12 nothing CONSTANT_RTQNameL and CONSTANT_RTQNameLA.
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}
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public void writeMethodInfo(MethodInfo mi) throws IOException {
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writeU30(mi.param_types.length);
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writeU30(mi.ret_type);
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for (int i = 0; i < mi.param_types.length; i++) {
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writeU30(mi.param_types[i]);
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}
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writeU30(mi.name_index);
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write(mi.flags);
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if ((mi.flags & 8) == 8) {
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writeU30(mi.optional.length);
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for (int i = 0; i < mi.optional.length; i++) {
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writeU30(mi.optional[i].value_index);
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write(mi.optional[i].value_kind);
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}
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}
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if ((mi.flags & 128) == 128) { //if has_paramnames
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for (int i = 0; i < mi.paramNames.length; i++) {
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writeU30(mi.paramNames[i]);
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}
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}
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}
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public void writeTrait(Trait t) throws IOException {
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writeU30(t.name_index);
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write((t.kindFlags << 4) + t.kindType);
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if (t instanceof TraitSlotConst) {
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TraitSlotConst t1 = (TraitSlotConst) t;
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writeU30(t1.slot_id);
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writeU30(t1.type_index);
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writeU30(t1.value_index);
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if (t1.value_index != 0) {
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write(t1.value_kind);
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}
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}
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if (t instanceof TraitMethodGetterSetter) {
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TraitMethodGetterSetter t2 = (TraitMethodGetterSetter) t;
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writeU30(t2.disp_id);
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writeU30(t2.method_info);
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}
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if (t instanceof TraitClass) {
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TraitClass t3 = (TraitClass) t;
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writeU30(t3.slot_id);
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writeU30(t3.class_info);
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}
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if (t instanceof TraitFunction) {
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TraitFunction t4 = (TraitFunction) t;
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writeU30(t4.slot_index);
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writeU30(t4.method_info);
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}
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if ((t.kindFlags & 4) == 4) {
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writeU30(t.metadata.length);
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for (int i = 0; i < t.metadata.length; i++) {
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writeU30(t.metadata[i]);
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}
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}
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}
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public void writeTraits(Traits t) throws IOException {
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writeU30(t.traits.length);
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for (int i = 0; i < t.traits.length; i++) {
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writeTrait(t.traits[i]);
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}
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}
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public void writeInstanceInfo(InstanceInfo ii) throws IOException {
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writeU30(ii.name_index);
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writeU30(ii.super_index);
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write(ii.flags);
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if ((ii.flags & 8) == 8) {
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writeU30(ii.protectedNS);
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}
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writeU30(ii.interfaces.length);
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for (int i = 0; i < ii.interfaces.length; i++) {
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writeU30(ii.interfaces[i]);
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}
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writeU30(ii.iinit_index);
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writeTraits(ii.instance_traits);
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}
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}
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