| /******************************************************************************* |
| * Copyright (c) 2000, 2005 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| package org.eclipse.jdt.internal.compiler.codegen; |
| |
| import org.eclipse.jdt.internal.compiler.*; |
| |
| import org.eclipse.jdt.internal.compiler.impl.*; |
| import org.eclipse.jdt.internal.compiler.ast.*; |
| import org.eclipse.jdt.internal.compiler.classfmt.*; |
| import org.eclipse.jdt.internal.compiler.flow.*; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| |
| public class CodeStream implements OperatorIds, ClassFileConstants, Opcodes, BaseTypes, TypeConstants, TypeIds { |
| |
| public static final boolean DEBUG = false; |
| |
| // It will be responsible for the following items. |
| // -> Tracking Max Stack. |
| |
| public int stackMax; // Use Ints to keep from using extra bc when adding |
| public int stackDepth; // Use Ints to keep from using extra bc when adding |
| public int maxLocals; |
| public static final int LABELS_INCREMENT = 5; |
| public byte[] bCodeStream; |
| public int pcToSourceMapSize; |
| public int[] pcToSourceMap = new int[24]; |
| public int lastEntryPC; // last entry recorded |
| public int[] lineSeparatorPositions; |
| public int position; // So when first set can be incremented |
| public int classFileOffset; |
| public int startingClassFileOffset; // I need to keep the starting point inside the byte array |
| public ConstantPool constantPool; // The constant pool used to generate bytecodes that need to store information into the constant pool |
| public ClassFile classFile; // The current classfile it is associated to. |
| // local variable attributes output |
| public static final int LOCALS_INCREMENT = 10; |
| public LocalVariableBinding[] locals = new LocalVariableBinding[LOCALS_INCREMENT]; |
| static LocalVariableBinding[] noLocals = new LocalVariableBinding[LOCALS_INCREMENT]; |
| public LocalVariableBinding[] visibleLocals = new LocalVariableBinding[LOCALS_INCREMENT]; |
| static LocalVariableBinding[] noVisibleLocals = new LocalVariableBinding[LOCALS_INCREMENT]; |
| int visibleLocalsCount; |
| public AbstractMethodDeclaration methodDeclaration; |
| public ExceptionLabel[] exceptionHandlers = new ExceptionLabel[LABELS_INCREMENT]; |
| static ExceptionLabel[] noExceptionHandlers = new ExceptionLabel[LABELS_INCREMENT]; |
| public int exceptionHandlersIndex; |
| public int exceptionHandlersCounter; |
| |
| public static FieldBinding[] ImplicitThis = new FieldBinding[] {}; |
| public boolean generateLineNumberAttributes; |
| public boolean generateLocalVariableTableAttributes; |
| public boolean preserveUnusedLocals; |
| // store all the labels placed at the current position to be able to optimize |
| // a jump to the next bytecode. |
| public Label[] labels = new Label[LABELS_INCREMENT]; |
| static Label[] noLabels = new Label[LABELS_INCREMENT]; |
| public int countLabels; |
| public int allLocalsCounter; |
| public int maxFieldCount; |
| // to handle goto_w |
| public boolean wideMode = false; |
| public static final CompilationResult RESTART_IN_WIDE_MODE = new CompilationResult((char[])null, 0, 0, 0); |
| |
| // target level to manage different code generation between different target levels |
| private long targetLevel; |
| |
| public CodeStream(ClassFile classFile, long targetLevel) { |
| this.targetLevel = targetLevel; |
| this.generateLineNumberAttributes = (classFile.produceDebugAttributes & CompilerOptions.Lines) != 0; |
| this.generateLocalVariableTableAttributes = (classFile.produceDebugAttributes & CompilerOptions.Vars) != 0; |
| if (this.generateLineNumberAttributes) { |
| this.lineSeparatorPositions = classFile.referenceBinding.scope.referenceCompilationUnit().compilationResult.lineSeparatorPositions; |
| } |
| } |
| final public void aaload() { |
| if (DEBUG) System.out.println(position + "\t\taaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aaload; |
| } |
| final public void aastore() { |
| if (DEBUG) System.out.println(position + "\t\taastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aastore; |
| } |
| final public void aconst_null() { |
| if (DEBUG) System.out.println(position + "\t\taconst_null"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aconst_null; |
| } |
| public final void addDefinitelyAssignedVariables(Scope scope, int initStateIndex) { |
| // Required to fix 1PR0XVS: LFRE:WINNT - Compiler: variable table for method appears incorrect |
| if (!generateLocalVariableTableAttributes) |
| return; |
| /* if (initStateIndex == lastInitStateIndexWhenAddingInits) |
| return; |
| lastInitStateIndexWhenAddingInits = initStateIndex; |
| if (lastInitStateIndexWhenRemovingInits != initStateIndex){ |
| lastInitStateIndexWhenRemovingInits = -2; // reinitialize remove index |
| // remove(1)-add(1)-remove(1) -> ignore second remove |
| // remove(1)-add(2)-remove(1) -> perform second remove |
| } |
| |
| */ for (int i = 0; i < visibleLocalsCount; i++) { |
| LocalVariableBinding localBinding = visibleLocals[i]; |
| if (localBinding != null) { |
| // Check if the local is definitely assigned |
| if ((initStateIndex != -1) && isDefinitelyAssigned(scope, initStateIndex, localBinding)) { |
| if ((localBinding.initializationCount == 0) || (localBinding.initializationPCs[((localBinding.initializationCount - 1) << 1) + 1] != -1)) { |
| /* There are two cases: |
| * 1) there is no initialization interval opened ==> add an opened interval |
| * 2) there is already some initialization intervals but the last one is closed ==> add an opened interval |
| * An opened interval means that the value at localBinding.initializationPCs[localBinding.initializationCount - 1][1] |
| * is equals to -1. |
| * initializationPCs is a collection of pairs of int: |
| * first value is the startPC and second value is the endPC. -1 one for the last value means that the interval |
| * is not closed yet. |
| */ |
| localBinding.recordInitializationStartPC(position); |
| } |
| } |
| } |
| } |
| } |
| public void addLabel(Label aLabel) { |
| if (countLabels == labels.length) |
| System.arraycopy(labels, 0, labels = new Label[countLabels + LABELS_INCREMENT], 0, countLabels); |
| labels[countLabels++] = aLabel; |
| } |
| public void addVisibleLocalVariable(LocalVariableBinding localBinding) { |
| if (!generateLocalVariableTableAttributes) |
| return; |
| |
| if (visibleLocalsCount >= visibleLocals.length) |
| System.arraycopy(visibleLocals, 0, visibleLocals = new LocalVariableBinding[visibleLocalsCount * 2], 0, visibleLocalsCount); |
| visibleLocals[visibleLocalsCount++] = localBinding; |
| } |
| final public void aload(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\taload:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_aload; |
| writeUnsignedShort(iArg); |
| } else { |
| // Don't need to use the wide bytecode |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_aload; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void aload_0() { |
| if (DEBUG) System.out.println(position + "\t\taload_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| if (maxLocals == 0) { |
| maxLocals = 1; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aload_0; |
| } |
| final public void aload_1() { |
| if (DEBUG) System.out.println(position + "\t\taload_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aload_1; |
| } |
| final public void aload_2() { |
| if (DEBUG) System.out.println(position + "\t\taload_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aload_2; |
| } |
| final public void aload_3() { |
| if (DEBUG) System.out.println(position + "\t\taload_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_aload_3; |
| } |
| public final void anewarray(TypeBinding typeBinding) { |
| if (DEBUG) System.out.println(position + "\t\tanewarray: " + typeBinding); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_anewarray; |
| writeUnsignedShort(constantPool.literalIndexForType(typeBinding.constantPoolName())); |
| } |
| final public void areturn() { |
| if (DEBUG) System.out.println(position + "\t\tareturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_areturn; |
| } |
| public void arrayAt(int typeBindingID) { |
| switch (typeBindingID) { |
| case T_int : |
| this.iaload(); |
| break; |
| case T_byte : |
| case T_boolean : |
| this.baload(); |
| break; |
| case T_short : |
| this.saload(); |
| break; |
| case T_char : |
| this.caload(); |
| break; |
| case T_long : |
| this.laload(); |
| break; |
| case T_float : |
| this.faload(); |
| break; |
| case T_double : |
| this.daload(); |
| break; |
| default : |
| this.aaload(); |
| } |
| } |
| public void arrayAtPut(int elementTypeID, boolean valueRequired) { |
| switch (elementTypeID) { |
| case T_int : |
| if (valueRequired) |
| dup_x2(); |
| iastore(); |
| break; |
| case T_byte : |
| case T_boolean : |
| if (valueRequired) |
| dup_x2(); |
| bastore(); |
| break; |
| case T_short : |
| if (valueRequired) |
| dup_x2(); |
| sastore(); |
| break; |
| case T_char : |
| if (valueRequired) |
| dup_x2(); |
| castore(); |
| break; |
| case T_long : |
| if (valueRequired) |
| dup2_x2(); |
| lastore(); |
| break; |
| case T_float : |
| if (valueRequired) |
| dup_x2(); |
| fastore(); |
| break; |
| case T_double : |
| if (valueRequired) |
| dup2_x2(); |
| dastore(); |
| break; |
| default : |
| if (valueRequired) |
| dup_x2(); |
| aastore(); |
| } |
| } |
| final public void arraylength() { |
| if (DEBUG) System.out.println(position + "\t\tarraylength"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_arraylength; |
| } |
| final public void astore(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tastore:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position+=2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_astore; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position+=2; |
| bCodeStream[classFileOffset++] = OPC_astore; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void astore_0() { |
| if (DEBUG) System.out.println(position + "\t\tastore_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals == 0) { |
| maxLocals = 1; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_astore_0; |
| } |
| final public void astore_1() { |
| if (DEBUG) System.out.println(position + "\t\tastore_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_astore_1; |
| } |
| final public void astore_2() { |
| if (DEBUG) System.out.println(position + "\t\tastore_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_astore_2; |
| } |
| final public void astore_3() { |
| if (DEBUG) System.out.println(position + "\t\tastore_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_astore_3; |
| } |
| final public void athrow() { |
| if (DEBUG) System.out.println(position + "\t\tathrow"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_athrow; |
| } |
| final public void baload() { |
| if (DEBUG) System.out.println(position + "\t\tbaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_baload; |
| } |
| final public void bastore() { |
| if (DEBUG) System.out.println(position + "\t\tbastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_bastore; |
| } |
| final public void bipush(byte b) { |
| if (DEBUG) System.out.println(position + "\t\tbipush "+b); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_bipush; |
| bCodeStream[classFileOffset++] = b; |
| } |
| final public void caload() { |
| if (DEBUG) System.out.println(position + "\t\tcaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_caload; |
| } |
| final public void castore() { |
| if (DEBUG) System.out.println(position + "\t\tcastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_castore; |
| } |
| public final void checkcast(TypeBinding typeBinding) { |
| if (DEBUG) System.out.println(position + "\t\tcheckcast:"+typeBinding.debugName()); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_checkcast; |
| writeUnsignedShort(constantPool.literalIndexForType(typeBinding.constantPoolName())); |
| } |
| final public void d2f() { |
| if (DEBUG) System.out.println(position + "\t\td2f"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_d2f; |
| } |
| final public void d2i() { |
| if (DEBUG) System.out.println(position + "\t\td2i"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_d2i; |
| } |
| final public void d2l() { |
| if (DEBUG) System.out.println(position + "\t\td2l"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_d2l; |
| } |
| final public void dadd() { |
| if (DEBUG) System.out.println(position + "\t\tdadd"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dadd; |
| } |
| final public void daload() { |
| if (DEBUG) System.out.println(position + "\t\tdaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_daload; |
| } |
| final public void dastore() { |
| if (DEBUG) System.out.println(position + "\t\tdastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 4; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dastore; |
| } |
| final public void dcmpg() { |
| if (DEBUG) System.out.println(position + "\t\tdcmpg"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dcmpg; |
| } |
| final public void dcmpl() { |
| if (DEBUG) System.out.println(position + "\t\tdcmpl"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dcmpl; |
| } |
| final public void dconst_0() { |
| if (DEBUG) System.out.println(position + "\t\tdconst_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dconst_0; |
| } |
| final public void dconst_1() { |
| if (DEBUG) System.out.println(position + "\t\tdconst_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dconst_1; |
| } |
| final public void ddiv() { |
| if (DEBUG) System.out.println(position + "\t\tddiv"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ddiv; |
| } |
| public void decrStackSize(int offset) { |
| stackDepth -= offset; |
| } |
| final public void dload(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tdload:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals < iArg + 2) { |
| maxLocals = iArg + 2; // + 2 because it is a double |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_dload; |
| writeUnsignedShort(iArg); |
| } else { |
| // Don't need to use the wide bytecode |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_dload; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void dload_0() { |
| if (DEBUG) System.out.println(position + "\t\tdload_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals < 2) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dload_0; |
| } |
| final public void dload_1() { |
| if (DEBUG) System.out.println(position + "\t\tdload_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals < 3) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dload_1; |
| } |
| final public void dload_2() { |
| if (DEBUG) System.out.println(position + "\t\tdload_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals < 4) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dload_2; |
| } |
| final public void dload_3() { |
| if (DEBUG) System.out.println(position + "\t\tdload_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (maxLocals < 5) { |
| maxLocals = 5; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dload_3; |
| } |
| final public void dmul() { |
| if (DEBUG) System.out.println(position + "\t\tdmul"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dmul; |
| } |
| final public void dneg() { |
| if (DEBUG) System.out.println(position + "\t\tdneg"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dneg; |
| } |
| final public void drem() { |
| if (DEBUG) System.out.println(position + "\t\tdrem"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_drem; |
| } |
| final public void dreturn() { |
| if (DEBUG) System.out.println(position + "\t\tdreturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dreturn; |
| } |
| final public void dstore(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tdstore:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals <= iArg + 1) { |
| maxLocals = iArg + 2; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_dstore; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_dstore; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void dstore_0() { |
| if (DEBUG) System.out.println(position + "\t\tdstore_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 2) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dstore_0; |
| } |
| final public void dstore_1() { |
| if (DEBUG) System.out.println(position + "\t\tdstore_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 3) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dstore_1; |
| } |
| final public void dstore_2() { |
| if (DEBUG) System.out.println(position + "\t\tdstore_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 4) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dstore_2; |
| } |
| final public void dstore_3() { |
| if (DEBUG) System.out.println(position + "\t\tdstore_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 5) { |
| maxLocals = 5; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dstore_3; |
| } |
| final public void dsub() { |
| if (DEBUG) System.out.println(position + "\t\tdsub"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dsub; |
| } |
| final public void dup() { |
| if (DEBUG) System.out.println(position + "\t\tdup"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup; |
| } |
| final public void dup_x1() { |
| if (DEBUG) System.out.println(position + "\t\tdup_x1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup_x1; |
| } |
| final public void dup_x2() { |
| if (DEBUG) System.out.println(position + "\t\tdup_x2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup_x2; |
| } |
| final public void dup2() { |
| if (DEBUG) System.out.println(position + "\t\tdup2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup2; |
| } |
| final public void dup2_x1() { |
| if (DEBUG) System.out.println(position + "\t\tdup2_x1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup2_x1; |
| } |
| final public void dup2_x2() { |
| if (DEBUG) System.out.println(position + "\t\tdup2_x2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_dup2_x2; |
| } |
| public void exitUserScope(BlockScope currentScope) { |
| // mark all the scope's locals as loosing their definite assignment |
| |
| if (!generateLocalVariableTableAttributes) |
| return; |
| while (visibleLocalsCount > 0) { |
| LocalVariableBinding visibleLocal = visibleLocals[this.visibleLocalsCount - 1]; |
| if (visibleLocal == null) |
| continue; |
| if (visibleLocal.declaringScope != currentScope) // left currentScope |
| break; |
| |
| // there maybe some some preserved locals never initialized |
| if (visibleLocal.initializationCount > 0){ |
| visibleLocal.recordInitializationEndPC(position); |
| } |
| visibleLocals[--this.visibleLocalsCount] = null; // this variable is no longer visible afterwards |
| } |
| } |
| final public void f2d() { |
| if (DEBUG) System.out.println(position + "\t\tf2d"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_f2d; |
| } |
| final public void f2i() { |
| if (DEBUG) System.out.println(position + "\t\tf2i"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_f2i; |
| } |
| final public void f2l() { |
| if (DEBUG) System.out.println(position + "\t\tf2l"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_f2l; |
| } |
| final public void fadd() { |
| if (DEBUG) System.out.println(position + "\t\tfadd"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fadd; |
| } |
| final public void faload() { |
| if (DEBUG) System.out.println(position + "\t\tfaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_faload; |
| } |
| final public void fastore() { |
| if (DEBUG) System.out.println(position + "\t\tfaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fastore; |
| } |
| final public void fcmpg() { |
| if (DEBUG) System.out.println(position + "\t\tfcmpg"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fcmpg; |
| } |
| final public void fcmpl() { |
| if (DEBUG) System.out.println(position + "\t\tfcmpl"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fcmpl; |
| } |
| final public void fconst_0() { |
| if (DEBUG) System.out.println(position + "\t\tfconst_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fconst_0; |
| } |
| final public void fconst_1() { |
| if (DEBUG) System.out.println(position + "\t\tfconst_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fconst_1; |
| } |
| final public void fconst_2() { |
| if (DEBUG) System.out.println(position + "\t\tfconst_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fconst_2; |
| } |
| final public void fdiv() { |
| if (DEBUG) System.out.println(position + "\t\tfdiv"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fdiv; |
| } |
| final public void fload(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tfload:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_fload; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_fload; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void fload_0() { |
| if (DEBUG) System.out.println(position + "\t\tfload_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals == 0) { |
| maxLocals = 1; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fload_0; |
| } |
| final public void fload_1() { |
| if (DEBUG) System.out.println(position + "\t\tfload_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fload_1; |
| } |
| final public void fload_2() { |
| if (DEBUG) System.out.println(position + "\t\tfload_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fload_2; |
| } |
| final public void fload_3() { |
| if (DEBUG) System.out.println(position + "\t\tfload_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fload_3; |
| } |
| final public void fmul() { |
| if (DEBUG) System.out.println(position + "\t\tfmul"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fmul; |
| } |
| final public void fneg() { |
| if (DEBUG) System.out.println(position + "\t\tfneg"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fneg; |
| } |
| final public void frem() { |
| if (DEBUG) System.out.println(position + "\t\tfrem"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_frem; |
| } |
| final public void freturn() { |
| if (DEBUG) System.out.println(position + "\t\tfreturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_freturn; |
| } |
| final public void fstore(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tfstore:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_fstore; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_fstore; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void fstore_0() { |
| if (DEBUG) System.out.println(position + "\t\tfstore_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals == 0) { |
| maxLocals = 1; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fstore_0; |
| } |
| final public void fstore_1() { |
| if (DEBUG) System.out.println(position + "\t\tfstore_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fstore_1; |
| } |
| final public void fstore_2() { |
| if (DEBUG) System.out.println(position + "\t\tfstore_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fstore_2; |
| } |
| final public void fstore_3() { |
| if (DEBUG) System.out.println(position + "\t\tfstore_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fstore_3; |
| } |
| final public void fsub() { |
| if (DEBUG) System.out.println(position + "\t\tfsub"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_fsub; |
| } |
| /** |
| * Macro for building a class descriptor object |
| */ |
| public void generateClassLiteralAccessForType(TypeBinding accessedType, FieldBinding syntheticFieldBinding) { |
| Label endLabel; |
| ExceptionLabel anyExceptionHandler; |
| int saveStackSize; |
| if (accessedType.isBaseType() && accessedType != NullBinding) { |
| this.getTYPE(accessedType.id); |
| return; |
| } |
| |
| if (this.targetLevel >= ClassFileConstants.JDK1_5) { |
| // generation using the new ldc_w bytecode |
| this.ldc(accessedType); |
| } else { |
| endLabel = new Label(this); |
| if (syntheticFieldBinding != null) { // non interface case |
| this.getstatic(syntheticFieldBinding); |
| this.dup(); |
| this.ifnonnull(endLabel); |
| this.pop(); |
| } |
| |
| /* Macro for building a class descriptor object... using or not a field cache to store it into... |
| this sequence is responsible for building the actual class descriptor. |
| |
| If the fieldCache is set, then it is supposed to be the body of a synthetic access method |
| factoring the actual descriptor creation out of the invocation site (saving space). |
| If the fieldCache is nil, then we are dumping the bytecode on the invocation site, since |
| we have no way to get a hand on the field cache to do better. */ |
| |
| |
| // Wrap the code in an exception handler to convert a ClassNotFoundException into a NoClassDefError |
| |
| anyExceptionHandler = new ExceptionLabel(this, BaseTypes.NullBinding /* represents ClassNotFoundException*/); |
| this.ldc(accessedType == BaseTypes.NullBinding ? "java.lang.Object" : String.valueOf(accessedType.constantPoolName()).replace('/', '.')); //$NON-NLS-1$ |
| this.invokeClassForName(); |
| |
| /* See https://bugs.eclipse.org/bugs/show_bug.cgi?id=37565 |
| if (accessedType == BaseTypes.NullBinding) { |
| this.ldc("java.lang.Object"); //$NON-NLS-1$ |
| } else if (accessedType.isArrayType()) { |
| this.ldc(String.valueOf(accessedType.constantPoolName()).replace('/', '.')); |
| } else { |
| // we make it an array type (to avoid class initialization) |
| this.ldc("[L" + String.valueOf(accessedType.constantPoolName()).replace('/', '.') + ";"); //$NON-NLS-1$//$NON-NLS-2$ |
| } |
| this.invokeClassForName(); |
| if (!accessedType.isArrayType()) { // extract the component type, which doesn't initialize the class |
| this.invokeJavaLangClassGetComponentType(); |
| } |
| */ |
| /* We need to protect the runtime code from binary inconsistencies |
| in case the accessedType is missing, the ClassNotFoundException has to be converted |
| into a NoClassDefError(old ex message), we thus need to build an exception handler for this one. */ |
| anyExceptionHandler.placeEnd(); |
| |
| if (syntheticFieldBinding != null) { // non interface case |
| this.dup(); |
| this.putstatic(syntheticFieldBinding); |
| } |
| this.goto_(endLabel); |
| |
| |
| // Generate the body of the exception handler |
| saveStackSize = stackDepth; |
| stackDepth = 1; |
| /* ClassNotFoundException on stack -- the class literal could be doing more things |
| on the stack, which means that the stack may not be empty at this point in the |
| above code gen. So we save its state and restart it from 1. */ |
| |
| anyExceptionHandler.place(); |
| |
| // Transform the current exception, and repush and throw a |
| // NoClassDefFoundError(ClassNotFound.getMessage()) |
| |
| this.newNoClassDefFoundError(); |
| this.dup_x1(); |
| this.swap(); |
| |
| // Retrieve the message from the old exception |
| this.invokeThrowableGetMessage(); |
| |
| // Send the constructor taking a message string as an argument |
| this.invokeNoClassDefFoundErrorStringConstructor(); |
| this.athrow(); |
| stackDepth = saveStackSize; |
| endLabel.place(); |
| } |
| } |
| /** |
| * This method generates the code attribute bytecode |
| */ |
| final public void generateCodeAttributeForProblemMethod(String problemMessage) { |
| newJavaLangError(); |
| dup(); |
| ldc(problemMessage); |
| invokeJavaLangErrorConstructor(); |
| athrow(); |
| } |
| public void generateConstant(Constant constant, int implicitConversionCode) { |
| int targetTypeID = (implicitConversionCode & IMPLICIT_CONVERSION_MASK) >> 4; |
| if (targetTypeID != 0) { |
| switch (targetTypeID) { |
| case T_boolean : |
| generateInlinedValue(constant.booleanValue()); |
| break; |
| case T_char : |
| generateInlinedValue(constant.charValue()); |
| break; |
| case T_byte : |
| generateInlinedValue(constant.byteValue()); |
| break; |
| case T_short : |
| generateInlinedValue(constant.shortValue()); |
| break; |
| case T_int : |
| generateInlinedValue(constant.intValue()); |
| break; |
| case T_long : |
| generateInlinedValue(constant.longValue()); |
| break; |
| case T_float : |
| generateInlinedValue(constant.floatValue()); |
| break; |
| case T_double : |
| generateInlinedValue(constant.doubleValue()); |
| break; |
| case T_JavaLangString : |
| ldc(constant.stringValue()); |
| } |
| } else { |
| ldc(constant.stringValue()); |
| } |
| if ((implicitConversionCode & BOXING) != 0) { |
| // need boxing |
| generateBoxingConversion(targetTypeID); |
| } |
| } |
| |
| /** |
| * Generates the sequence of instructions which will perform the conversion of the expression |
| * on the stack into a different type (e.g. long l = someInt; --> i2l must be inserted). |
| * @param implicitConversionCode int |
| */ |
| public void generateImplicitConversion(int implicitConversionCode) { |
| if ((implicitConversionCode & UNBOXING) != 0) { |
| final int typeId = implicitConversionCode & COMPILE_TYPE_MASK; |
| generateUnboxingConversion(typeId); |
| // unboxing can further involve base type conversions |
| } |
| switch (implicitConversionCode & IMPLICIT_CONVERSION_MASK) { |
| case Float2Char : |
| this.f2i(); |
| this.i2c(); |
| break; |
| case Double2Char : |
| this.d2i(); |
| this.i2c(); |
| break; |
| case Int2Char : |
| case Short2Char : |
| case Byte2Char : |
| this.i2c(); |
| break; |
| case Long2Char : |
| this.l2i(); |
| this.i2c(); |
| break; |
| case Char2Float : |
| case Short2Float : |
| case Int2Float : |
| case Byte2Float : |
| this.i2f(); |
| break; |
| case Double2Float : |
| this.d2f(); |
| break; |
| case Long2Float : |
| this.l2f(); |
| break; |
| case Float2Byte : |
| this.f2i(); |
| this.i2b(); |
| break; |
| case Double2Byte : |
| this.d2i(); |
| this.i2b(); |
| break; |
| case Int2Byte : |
| case Short2Byte : |
| case Char2Byte : |
| this.i2b(); |
| break; |
| case Long2Byte : |
| this.l2i(); |
| this.i2b(); |
| break; |
| case Byte2Double : |
| case Char2Double : |
| case Short2Double : |
| case Int2Double : |
| this.i2d(); |
| break; |
| case Float2Double : |
| this.f2d(); |
| break; |
| case Long2Double : |
| this.l2d(); |
| break; |
| case Byte2Short : |
| case Char2Short : |
| case Int2Short : |
| this.i2s(); |
| break; |
| case Double2Short : |
| this.d2i(); |
| this.i2s(); |
| break; |
| case Long2Short : |
| this.l2i(); |
| this.i2s(); |
| break; |
| case Float2Short : |
| this.f2i(); |
| this.i2s(); |
| break; |
| case Double2Int : |
| this.d2i(); |
| break; |
| case Float2Int : |
| this.f2i(); |
| break; |
| case Long2Int : |
| this.l2i(); |
| break; |
| case Int2Long : |
| case Char2Long : |
| case Byte2Long : |
| case Short2Long : |
| this.i2l(); |
| break; |
| case Double2Long : |
| this.d2l(); |
| break; |
| case Float2Long : |
| this.f2l(); |
| } |
| if ((implicitConversionCode & BOXING) != 0) { |
| // need to unbox/box the constant |
| final int typeId = (implicitConversionCode & IMPLICIT_CONVERSION_MASK) >> 4; |
| generateBoxingConversion(typeId); |
| } |
| } |
| public void generateInlinedValue(byte inlinedValue) { |
| switch (inlinedValue) { |
| case -1 : |
| this.iconst_m1(); |
| break; |
| case 0 : |
| this.iconst_0(); |
| break; |
| case 1 : |
| this.iconst_1(); |
| break; |
| case 2 : |
| this.iconst_2(); |
| break; |
| case 3 : |
| this.iconst_3(); |
| break; |
| case 4 : |
| this.iconst_4(); |
| break; |
| case 5 : |
| this.iconst_5(); |
| break; |
| default : |
| if ((-128 <= inlinedValue) && (inlinedValue <= 127)) { |
| this.bipush(inlinedValue); |
| return; |
| } |
| } |
| } |
| public void generateInlinedValue(char inlinedValue) { |
| switch (inlinedValue) { |
| case 0 : |
| this.iconst_0(); |
| break; |
| case 1 : |
| this.iconst_1(); |
| break; |
| case 2 : |
| this.iconst_2(); |
| break; |
| case 3 : |
| this.iconst_3(); |
| break; |
| case 4 : |
| this.iconst_4(); |
| break; |
| case 5 : |
| this.iconst_5(); |
| break; |
| default : |
| if ((6 <= inlinedValue) && (inlinedValue <= 127)) { |
| this.bipush((byte) inlinedValue); |
| return; |
| } |
| if ((128 <= inlinedValue) && (inlinedValue <= 32767)) { |
| this.sipush(inlinedValue); |
| return; |
| } |
| this.ldc(inlinedValue); |
| } |
| } |
| public void generateInlinedValue(double inlinedValue) { |
| if (inlinedValue == 0.0) { |
| if (Double.doubleToLongBits(inlinedValue) != 0L) |
| this.ldc2_w(inlinedValue); |
| else |
| this.dconst_0(); |
| return; |
| } |
| if (inlinedValue == 1.0) { |
| this.dconst_1(); |
| return; |
| } |
| this.ldc2_w(inlinedValue); |
| } |
| public void generateInlinedValue(float inlinedValue) { |
| if (inlinedValue == 0.0f) { |
| if (Float.floatToIntBits(inlinedValue) != 0) |
| this.ldc(inlinedValue); |
| else |
| this.fconst_0(); |
| return; |
| } |
| if (inlinedValue == 1.0f) { |
| this.fconst_1(); |
| return; |
| } |
| if (inlinedValue == 2.0f) { |
| this.fconst_2(); |
| return; |
| } |
| this.ldc(inlinedValue); |
| } |
| public void generateInlinedValue(int inlinedValue) { |
| switch (inlinedValue) { |
| case -1 : |
| this.iconst_m1(); |
| break; |
| case 0 : |
| this.iconst_0(); |
| break; |
| case 1 : |
| this.iconst_1(); |
| break; |
| case 2 : |
| this.iconst_2(); |
| break; |
| case 3 : |
| this.iconst_3(); |
| break; |
| case 4 : |
| this.iconst_4(); |
| break; |
| case 5 : |
| this.iconst_5(); |
| break; |
| default : |
| if ((-128 <= inlinedValue) && (inlinedValue <= 127)) { |
| this.bipush((byte) inlinedValue); |
| return; |
| } |
| if ((-32768 <= inlinedValue) && (inlinedValue <= 32767)) { |
| this.sipush(inlinedValue); |
| return; |
| } |
| this.ldc(inlinedValue); |
| } |
| } |
| public void generateInlinedValue(long inlinedValue) { |
| if (inlinedValue == 0) { |
| this.lconst_0(); |
| return; |
| } |
| if (inlinedValue == 1) { |
| this.lconst_1(); |
| return; |
| } |
| this.ldc2_w(inlinedValue); |
| } |
| public void generateInlinedValue(short inlinedValue) { |
| switch (inlinedValue) { |
| case -1 : |
| this.iconst_m1(); |
| break; |
| case 0 : |
| this.iconst_0(); |
| break; |
| case 1 : |
| this.iconst_1(); |
| break; |
| case 2 : |
| this.iconst_2(); |
| break; |
| case 3 : |
| this.iconst_3(); |
| break; |
| case 4 : |
| this.iconst_4(); |
| break; |
| case 5 : |
| this.iconst_5(); |
| break; |
| default : |
| if ((-128 <= inlinedValue) && (inlinedValue <= 127)) { |
| this.bipush((byte) inlinedValue); |
| return; |
| } |
| this.sipush(inlinedValue); |
| } |
| } |
| public void generateInlinedValue(boolean inlinedValue) { |
| if (inlinedValue) |
| this.iconst_1(); |
| else |
| this.iconst_0(); |
| } |
| public void generateOuterAccess(Object[] mappingSequence, ASTNode invocationSite, Binding target, Scope scope) { |
| if (mappingSequence == null) { |
| if (target instanceof LocalVariableBinding) { |
| scope.problemReporter().needImplementation(); //TODO (philippe) should improve local emulation failure reporting |
| } else { |
| scope.problemReporter().noSuchEnclosingInstance((ReferenceBinding)target, invocationSite, false); |
| } |
| return; |
| } |
| if (mappingSequence == BlockScope.NoEnclosingInstanceInConstructorCall) { |
| scope.problemReporter().noSuchEnclosingInstance((ReferenceBinding)target, invocationSite, true); |
| return; |
| } else if (mappingSequence == BlockScope.NoEnclosingInstanceInStaticContext) { |
| scope.problemReporter().noSuchEnclosingInstance((ReferenceBinding)target, invocationSite, false); |
| return; |
| } |
| |
| if (mappingSequence == BlockScope.EmulationPathToImplicitThis) { |
| this.aload_0(); |
| return; |
| } else if (mappingSequence[0] instanceof FieldBinding) { |
| FieldBinding fieldBinding = (FieldBinding) mappingSequence[0]; |
| this.aload_0(); |
| this.getfield(fieldBinding); |
| } else { |
| load((LocalVariableBinding) mappingSequence[0]); |
| } |
| for (int i = 1, length = mappingSequence.length; i < length; i++) { |
| if (mappingSequence[i] instanceof FieldBinding) { |
| FieldBinding fieldBinding = (FieldBinding) mappingSequence[i]; |
| this.getfield(fieldBinding); |
| } else { |
| this.invokestatic((MethodBinding) mappingSequence[i]); |
| } |
| } |
| } |
| public void generateReturnBytecode(Expression expression) { |
| |
| if (expression == null) { |
| this.return_(); |
| } else { |
| final int implicitConversion = expression.implicitConversion; |
| if ((implicitConversion & BOXING) != 0) { |
| this.areturn(); |
| return; |
| } |
| int runtimeType = (implicitConversion & IMPLICIT_CONVERSION_MASK) >> 4; |
| switch (runtimeType) { |
| case T_boolean : |
| case T_int : |
| this.ireturn(); |
| break; |
| case T_float : |
| this.freturn(); |
| break; |
| case T_long : |
| this.lreturn(); |
| break; |
| case T_double : |
| this.dreturn(); |
| break; |
| default : |
| this.areturn(); |
| } |
| } |
| } |
| /** |
| * The equivalent code performs a string conversion: |
| * |
| * @param blockScope the given blockScope |
| * @param oper1 the first expression |
| * @param oper2 the second expression |
| */ |
| public void generateStringConcatenationAppend(BlockScope blockScope, Expression oper1, Expression oper2) { |
| int pc; |
| if (oper1 == null) { |
| /* Operand is already on the stack, and maybe nil: |
| note type1 is always to java.lang.String here.*/ |
| this.newStringContatenation(); |
| this.dup_x1(); |
| this.swap(); |
| // If argument is reference type, need to transform it |
| // into a string (handles null case) |
| this.invokeStringValueOf(T_JavaLangObject); |
| this.invokeStringConcatenationStringConstructor(); |
| } else { |
| pc = position; |
| oper1.generateOptimizedStringConcatenationCreation(blockScope, this, oper1.implicitConversion & COMPILE_TYPE_MASK); |
| this.recordPositionsFrom(pc, oper1.sourceStart); |
| } |
| pc = position; |
| oper2.generateOptimizedStringConcatenation(blockScope, this, oper2.implicitConversion & COMPILE_TYPE_MASK); |
| this.recordPositionsFrom(pc, oper2.sourceStart); |
| this.invokeStringConcatenationToString(); |
| } |
| /** |
| * Code responsible to generate the suitable code to supply values for the synthetic enclosing |
| * instance arguments of a constructor invocation of a nested type. |
| */ |
| public void generateSyntheticEnclosingInstanceValues( |
| BlockScope currentScope, |
| ReferenceBinding targetType, |
| Expression enclosingInstance, |
| ASTNode invocationSite) { |
| |
| // supplying enclosing instance for the anonymous type's superclass |
| ReferenceBinding checkedTargetType = targetType.isAnonymousType() ? targetType.superclass() : targetType; |
| boolean hasExtraEnclosingInstance = enclosingInstance != null; |
| if (hasExtraEnclosingInstance |
| && (!checkedTargetType.isNestedType() || checkedTargetType.isStatic())) { |
| currentScope.problemReporter().unnecessaryEnclosingInstanceSpecification(enclosingInstance, checkedTargetType); |
| return; |
| } |
| |
| // perform some emulation work in case there is some and we are inside a local type only |
| ReferenceBinding[] syntheticArgumentTypes; |
| if ((syntheticArgumentTypes = targetType.syntheticEnclosingInstanceTypes()) != null) { |
| |
| ReferenceBinding targetEnclosingType = checkedTargetType.enclosingType(); |
| long compliance = currentScope.environment().options.complianceLevel; |
| |
| // deny access to enclosing instance argument for allocation and super constructor call (if 1.4) |
| // always consider it if complying to 1.5 |
| boolean denyEnclosingArgInConstructorCall; |
| if (compliance <= JDK1_3) { |
| denyEnclosingArgInConstructorCall = invocationSite instanceof AllocationExpression; |
| } else if (compliance == JDK1_4){ |
| denyEnclosingArgInConstructorCall = invocationSite instanceof AllocationExpression |
| || invocationSite instanceof ExplicitConstructorCall && ((ExplicitConstructorCall)invocationSite).isSuperAccess(); |
| } else { |
| //compliance >= JDK1_5 |
| denyEnclosingArgInConstructorCall = (invocationSite instanceof AllocationExpression |
| || invocationSite instanceof ExplicitConstructorCall && ((ExplicitConstructorCall)invocationSite).isSuperAccess()) |
| && !targetType.isLocalType(); |
| } |
| |
| boolean complyTo14 = compliance >= ClassFileConstants.JDK1_4; |
| for (int i = 0, max = syntheticArgumentTypes.length; i < max; i++) { |
| ReferenceBinding syntheticArgType = syntheticArgumentTypes[i]; |
| if (hasExtraEnclosingInstance && syntheticArgType == targetEnclosingType) { |
| hasExtraEnclosingInstance = false; |
| enclosingInstance.generateCode(currentScope, this, true); |
| if (complyTo14){ |
| dup(); |
| invokeObjectGetClass(); // will perform null check |
| pop(); |
| } |
| } else { |
| Object[] emulationPath = currentScope.getEmulationPath( |
| syntheticArgType, |
| false /*not only exact match (that is, allow compatible)*/, |
| denyEnclosingArgInConstructorCall); |
| this.generateOuterAccess(emulationPath, invocationSite, syntheticArgType, currentScope); |
| } |
| } |
| if (hasExtraEnclosingInstance){ |
| currentScope.problemReporter().unnecessaryEnclosingInstanceSpecification(enclosingInstance, checkedTargetType); |
| } |
| } |
| } |
| |
| /** |
| * Code responsible to generate the suitable code to supply values for the synthetic outer local |
| * variable arguments of a constructor invocation of a nested type. |
| * (bug 26122) - synthetic values for outer locals must be passed after user arguments, e.g. new X(i = 1){} |
| */ |
| public void generateSyntheticOuterArgumentValues(BlockScope currentScope, ReferenceBinding targetType, ASTNode invocationSite) { |
| |
| // generate the synthetic outer arguments then |
| SyntheticArgumentBinding syntheticArguments[]; |
| if ((syntheticArguments = targetType.syntheticOuterLocalVariables()) != null) { |
| for (int i = 0, max = syntheticArguments.length; i < max; i++) { |
| LocalVariableBinding targetVariable = syntheticArguments[i].actualOuterLocalVariable; |
| VariableBinding[] emulationPath = currentScope.getEmulationPath(targetVariable); |
| this.generateOuterAccess(emulationPath, invocationSite, targetVariable, currentScope); |
| } |
| } |
| } |
| |
| /** |
| * @param accessBinding the access method binding to generate |
| */ |
| public void generateSyntheticBodyForConstructorAccess(SyntheticMethodBinding accessBinding) { |
| |
| initializeMaxLocals(accessBinding); |
| |
| MethodBinding constructorBinding = accessBinding.targetMethod; |
| TypeBinding[] parameters = constructorBinding.parameters; |
| int length = parameters.length; |
| int resolvedPosition = 1; |
| this.aload_0(); |
| // special name&ordinal argument generation for enum constructors |
| TypeBinding declaringClass = constructorBinding.declaringClass; |
| if (declaringClass.erasure().id == T_JavaLangEnum || declaringClass.isEnum()) { |
| this.aload_1(); // pass along name param as name arg |
| this.iload_2(); // pass along ordinal param as ordinal arg |
| resolvedPosition += 2; |
| } |
| if (declaringClass.isNestedType()) { |
| NestedTypeBinding nestedType = (NestedTypeBinding) declaringClass; |
| SyntheticArgumentBinding[] syntheticArguments = nestedType.syntheticEnclosingInstances(); |
| for (int i = 0; i < (syntheticArguments == null ? 0 : syntheticArguments.length); i++) { |
| TypeBinding type; |
| load((type = syntheticArguments[i].type), resolvedPosition); |
| if ((type == DoubleBinding) || (type == LongBinding)) |
| resolvedPosition += 2; |
| else |
| resolvedPosition++; |
| } |
| } |
| for (int i = 0; i < length; i++) { |
| load(parameters[i], resolvedPosition); |
| if ((parameters[i] == DoubleBinding) || (parameters[i] == LongBinding)) |
| resolvedPosition += 2; |
| else |
| resolvedPosition++; |
| } |
| |
| if (declaringClass.isNestedType()) { |
| NestedTypeBinding nestedType = (NestedTypeBinding) declaringClass; |
| SyntheticArgumentBinding[] syntheticArguments = nestedType.syntheticOuterLocalVariables(); |
| for (int i = 0; i < (syntheticArguments == null ? 0 : syntheticArguments.length); i++) { |
| TypeBinding type; |
| load((type = syntheticArguments[i].type), resolvedPosition); |
| if ((type == DoubleBinding) || (type == LongBinding)) |
| resolvedPosition += 2; |
| else |
| resolvedPosition++; |
| } |
| } |
| this.invokespecial(constructorBinding); |
| this.return_(); |
| } |
| //static X[] values() { |
| // X[] values; |
| // int length; |
| // X[] result; |
| // System.arraycopy(values = $VALUES, 0, result = new X[length= values.length], 0, length) |
| // return result; |
| //} |
| public void generateSyntheticBodyForEnumValues(SyntheticMethodBinding methodBinding) { |
| ClassScope scope = ((SourceTypeBinding)methodBinding.declaringClass).scope; |
| FieldBinding enumValuesSyntheticfield = scope.referenceContext.enumValuesSyntheticfield; |
| initializeMaxLocals(methodBinding); |
| TypeBinding enumArray = methodBinding.returnType; |
| |
| this.getstatic(enumValuesSyntheticfield); |
| this.dup(); |
| this.astore_0(); |
| this.iconst_0(); |
| this.aload_0(); |
| this.arraylength(); |
| this.dup(); |
| this.istore_1(); |
| this.newArray((ArrayBinding) enumArray); |
| this.dup(); |
| this.astore_2(); |
| this.iconst_0(); |
| this.iload_1(); |
| this.invokeSystemArraycopy(); |
| this.aload_2(); |
| this.areturn(); |
| } |
| //static X valueOf(String name) { |
| // X[] values; |
| // for (int i = (values = $VALUES).length; --i >= 0;) { |
| // X value; |
| // if (name.equals(value = values[i].name())) return value; |
| // } |
| // throw new IllegalArgumentException(name); |
| //} |
| public void generateSyntheticBodyForEnumValueOf(SyntheticMethodBinding methodBinding) { |
| ClassScope scope = ((SourceTypeBinding)methodBinding.declaringClass).scope; |
| FieldBinding enumValuesSyntheticfield = scope.referenceContext.enumValuesSyntheticfield; |
| initializeMaxLocals(methodBinding); |
| Label loopCond = new Label(this); |
| Label loopStart = new Label(this); |
| Label wrongConstant = new Label(this); |
| |
| this.getstatic(enumValuesSyntheticfield); |
| this.dup(); |
| this.astore_1(); |
| this.arraylength(); |
| this.istore_2(); |
| this.goto_(loopCond); |
| loopStart.place(); |
| this.aload_0(); |
| this.aload_1(); |
| this.iload_2(); |
| this.aaload(); |
| this.dup(); |
| this.astore_3(); |
| this.invokeJavaLangEnumname(this.classFile.referenceBinding); |
| this.invokeStringEquals(); |
| this.ifeq(wrongConstant); |
| this.aload_3(); |
| this.areturn(); |
| wrongConstant.place(); |
| loopCond.place(); |
| this.iinc(2, -1); |
| this.iload_2(); |
| this.ifge(loopStart); |
| this.newJavaLangIllegalArgumentException(); |
| this.dup(); |
| this.aload_0(); |
| this.invokeJavaLangIllegalArgumentExceptionStringConstructor(); |
| this.athrow(); |
| } |
| public void generateSyntheticBodyForFieldReadAccess(SyntheticMethodBinding accessBinding) { |
| initializeMaxLocals(accessBinding); |
| FieldBinding fieldBinding = accessBinding.targetReadField; |
| TypeBinding type; |
| if (fieldBinding.isStatic()) |
| this.getstatic(fieldBinding); |
| else { |
| this.aload_0(); |
| this.getfield(fieldBinding); |
| } |
| if ((type = fieldBinding.type).isBaseType()) { |
| if (type == IntBinding) |
| this.ireturn(); |
| else |
| if (type == FloatBinding) |
| this.freturn(); |
| else |
| if (type == LongBinding) |
| this.lreturn(); |
| else |
| if (type == DoubleBinding) |
| this.dreturn(); |
| else |
| this.ireturn(); |
| } else |
| this.areturn(); |
| } |
| public void generateSyntheticBodyForFieldWriteAccess(SyntheticMethodBinding accessBinding) { |
| initializeMaxLocals(accessBinding); |
| FieldBinding fieldBinding = accessBinding.targetWriteField; |
| if (fieldBinding.isStatic()) { |
| load(fieldBinding.type, 0); |
| this.putstatic(fieldBinding); |
| } else { |
| this.aload_0(); |
| load(fieldBinding.type, 1); |
| this.putfield(fieldBinding); |
| } |
| this.return_(); |
| } |
| public void generateSyntheticBodyForMethodAccess(SyntheticMethodBinding accessBinding) { |
| |
| initializeMaxLocals(accessBinding); |
| MethodBinding methodBinding = accessBinding.targetMethod; |
| TypeBinding[] parameters = methodBinding.parameters; |
| int length = parameters.length; |
| TypeBinding[] arguments = accessBinding.kind == SyntheticMethodBinding.BridgeMethod |
| ? accessBinding.parameters |
| : null; |
| int resolvedPosition; |
| if (methodBinding.isStatic()) |
| resolvedPosition = 0; |
| else { |
| this.aload_0(); |
| resolvedPosition = 1; |
| } |
| for (int i = 0; i < length; i++) { |
| TypeBinding parameter = parameters[i]; |
| if (arguments != null) { // for bridge methods |
| TypeBinding argument = arguments[i]; |
| load(argument, resolvedPosition); |
| if (argument != parameter) |
| checkcast(parameter); |
| } else { |
| load(parameter, resolvedPosition); |
| } |
| if ((parameter == DoubleBinding) || (parameter == LongBinding)) |
| resolvedPosition += 2; |
| else |
| resolvedPosition++; |
| } |
| TypeBinding type; |
| if (methodBinding.isStatic()) |
| this.invokestatic(methodBinding); |
| else { |
| if (methodBinding.isConstructor() |
| || methodBinding.isPrivate() |
| // qualified super "X.super.foo()" targets methods from superclass |
| || accessBinding.kind == SyntheticMethodBinding.SuperMethodAccess){ |
| this.invokespecial(methodBinding); |
| } else { |
| if (methodBinding.declaringClass.isInterface()) { // interface or annotation type |
| this.invokeinterface(methodBinding); |
| } else { |
| this.invokevirtual(methodBinding); |
| } |
| } |
| } |
| if ((type = methodBinding.returnType).isBaseType()) |
| if (type == VoidBinding) |
| this.return_(); |
| else |
| if (type == IntBinding) |
| this.ireturn(); |
| else |
| if (type == FloatBinding) |
| this.freturn(); |
| else |
| if (type == LongBinding) |
| this.lreturn(); |
| else |
| if (type == DoubleBinding) |
| this.dreturn(); |
| else |
| this.ireturn(); |
| else |
| this.areturn(); |
| } |
| public void generateBoxingConversion(int unboxedTypeID) { |
| switch (unboxedTypeID) { |
| case T_byte : |
| // invokestatic: Byte.valueOf(byte) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangByteConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.byteByteSignature); //$NON-NLS-1$ |
| break; |
| case T_short : |
| // invokestatic: Short.valueOf(short) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangShortConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.shortShortSignature); //$NON-NLS-1$ |
| break; |
| case T_char : |
| // invokestatic: Character.valueOf(char) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangCharacterConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.charCharacterSignature); //$NON-NLS-1$ |
| break; |
| case T_int : |
| // invokestatic: Integer.valueOf(int) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangIntegerConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.IntIntegerSignature); //$NON-NLS-1$ |
| break; |
| case T_long : |
| // invokestatic: Long.valueOf(long) |
| this.invoke( |
| OPC_invokestatic, |
| 2, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangLongConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.longLongSignature); //$NON-NLS-1$ |
| break; |
| case T_float : |
| // invokestatic: Float.valueOf(float) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangFloatConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.floatFloatSignature); //$NON-NLS-1$ |
| break; |
| case T_double : |
| // invokestatic: Double.valueOf(double) |
| this.invoke( |
| OPC_invokestatic, |
| 2, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangDoubleConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.doubleDoubleSignature); //$NON-NLS-1$ |
| break; |
| case T_boolean : |
| // invokestatic: Boolean.valueOf(boolean) |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangBooleanConstantPoolName, |
| ConstantPool.ValueOf, |
| ConstantPool.booleanBooleanSignature); //$NON-NLS-1$ |
| } |
| } |
| public void generateUnboxingConversion(int unboxedTypeID) { |
| switch (unboxedTypeID) { |
| case T_byte : |
| // invokevirtual: byteValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangByteConstantPoolName, |
| ConstantPool.BYTEVALUE_BYTE_METHOD_NAME, |
| ConstantPool.BYTEVALUE_BYTE_METHOD_SIGNATURE); |
| break; |
| case T_short : |
| // invokevirtual: shortValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangShortConstantPoolName, |
| ConstantPool.SHORTVALUE_SHORT_METHOD_NAME, |
| ConstantPool.SHORTVALUE_SHORT_METHOD_SIGNATURE); |
| break; |
| case T_char : |
| // invokevirtual: charValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangCharacterConstantPoolName, |
| ConstantPool.CHARVALUE_CHARACTER_METHOD_NAME, |
| ConstantPool.CHARVALUE_CHARACTER_METHOD_SIGNATURE); |
| break; |
| case T_int : |
| // invokevirtual: intValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangIntegerConstantPoolName, |
| ConstantPool.INTVALUE_INTEGER_METHOD_NAME, |
| ConstantPool.INTVALUE_INTEGER_METHOD_SIGNATURE); |
| break; |
| case T_long : |
| // invokevirtual: longValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 2, // return type size |
| ConstantPool.JavaLangLongConstantPoolName, |
| ConstantPool.LONGVALUE_LONG_METHOD_NAME, |
| ConstantPool.LONGVALUE_LONG_METHOD_SIGNATURE); |
| break; |
| case T_float : |
| // invokevirtual: floatValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangFloatConstantPoolName, |
| ConstantPool.FLOATVALUE_FLOAT_METHOD_NAME, |
| ConstantPool.FLOATVALUE_FLOAT_METHOD_SIGNATURE); |
| break; |
| case T_double : |
| // invokevirtual: doubleValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 2, // return type size |
| ConstantPool.JavaLangDoubleConstantPoolName, |
| ConstantPool.DOUBLEVALUE_DOUBLE_METHOD_NAME, |
| ConstantPool.DOUBLEVALUE_DOUBLE_METHOD_SIGNATURE); |
| break; |
| case T_boolean : |
| // invokevirtual: booleanValue() |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangBooleanConstantPoolName, |
| ConstantPool.BOOLEANVALUE_BOOLEAN_METHOD_NAME, |
| ConstantPool.BOOLEANVALUE_BOOLEAN_METHOD_SIGNATURE); |
| } |
| } |
| final public byte[] getContents() { |
| byte[] contents; |
| System.arraycopy(bCodeStream, 0, contents = new byte[position], 0, position); |
| return contents; |
| } |
| final public void getfield(FieldBinding fieldBinding) { |
| if (DEBUG) System.out.println(position + "\t\tgetfield:"+fieldBinding); //$NON-NLS-1$ |
| int returnTypeSize = 1; |
| if ((fieldBinding.type.id == T_double) || (fieldBinding.type.id == T_long)) { |
| returnTypeSize = 2; |
| } |
| generateFieldAccess( |
| OPC_getfield, |
| returnTypeSize, |
| fieldBinding.declaringClass.constantPoolName(), |
| fieldBinding.name, |
| fieldBinding.type.signature()); |
| } |
| private void generateFieldAccess(byte opcode, int returnTypeSize, char[] declaringClass, char[] name, char[] signature) { |
| countLabels = 0; |
| switch(opcode) { |
| case OPC_getfield : |
| if (returnTypeSize == 2) { |
| stackDepth++; |
| } |
| break; |
| case OPC_getstatic : |
| if (returnTypeSize == 2) { |
| stackDepth += 2; |
| } else { |
| stackDepth++; |
| } |
| break; |
| case OPC_putfield : |
| if (returnTypeSize == 2) { |
| stackDepth -= 3; |
| } else { |
| stackDepth -= 2; |
| } |
| break; |
| case OPC_putstatic : |
| if (returnTypeSize == 2) { |
| stackDepth -= 2; |
| } else { |
| stackDepth--; |
| } |
| } |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = opcode; |
| writeUnsignedShort(constantPool.literalIndexForField(declaringClass, name, signature)); |
| } |
| final public void getstatic(FieldBinding fieldBinding) { |
| if (DEBUG) System.out.println(position + "\t\tgetstatic:"+fieldBinding); //$NON-NLS-1$ |
| int returnTypeSize = 1; |
| if ((fieldBinding.type.id == T_double) || (fieldBinding.type.id == T_long)) { |
| returnTypeSize = 2; |
| } |
| generateFieldAccess( |
| OPC_getstatic, |
| returnTypeSize, |
| fieldBinding.declaringClass.constantPoolName(), |
| fieldBinding.name, |
| fieldBinding.type.signature()); |
| } |
| public void getTYPE(int baseTypeID) { |
| countLabels = 0; |
| switch (baseTypeID) { |
| case T_byte : |
| // getstatic: java.lang.Byte.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Byte.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangByteConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_short : |
| // getstatic: java.lang.Short.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Short.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangShortConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_char : |
| // getstatic: java.lang.Character.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Character.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangCharacterConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_int : |
| // getstatic: java.lang.Integer.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Integer.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangIntegerConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_long : |
| // getstatic: java.lang.Long.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Long.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangLongConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_float : |
| // getstatic: java.lang.Float.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Float.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangFloatConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_double : |
| // getstatic: java.lang.Double.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Double.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangDoubleConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_boolean : |
| // getstatic: java.lang.Boolean.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Boolean.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangBooleanConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| case T_void : |
| // getstatic: java.lang.Void.TYPE |
| if (DEBUG) System.out.println(position + "\t\tgetstatic: java.lang.Void.TYPE"); //$NON-NLS-1$ |
| generateFieldAccess( |
| OPC_getstatic, |
| 1, |
| ConstantPool.JavaLangVoidConstantPoolName, |
| ConstantPool.TYPE, |
| ConstantPool.JavaLangClassSignature); |
| break; |
| } |
| } |
| /** |
| * We didn't call it goto, because there is a conflit with the goto keyword |
| */ |
| final public void goto_(Label label) { |
| if (this.wideMode) { |
| this.goto_w(label); |
| return; |
| } |
| if (DEBUG) System.out.println(position + "\t\tgoto:"+label); //$NON-NLS-1$ |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| label.inlineForwardReferencesFromLabelsTargeting(position); |
| /* |
| Possible optimization for code such as: |
| public Object foo() { |
| boolean b = true; |
| if (b) { |
| if (b) |
| return null; |
| } else { |
| if (b) { |
| return null; |
| } |
| } |
| return null; |
| } |
| The goto around the else block for the first if will |
| be unreachable, because the thenClause of the second if |
| returns. |
| See inlineForwardReferencesFromLabelsTargeting defined |
| on the Label class for the remaining part of this |
| optimization. |
| if (!lbl.isBranchTarget(position)) { |
| switch(bCodeStream[classFileOffset-1]) { |
| case OPC_return : |
| case OPC_areturn: |
| return; |
| } |
| }*/ |
| position++; |
| bCodeStream[classFileOffset++] = OPC_goto; |
| label.branch(); |
| } |
| |
| final public void goto_w(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tgotow:"+lbl); //$NON-NLS-1$ |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_goto_w; |
| lbl.branchWide(); |
| } |
| final public void i2b() { |
| if (DEBUG) System.out.println(position + "\t\ti2b"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2b; |
| } |
| final public void i2c() { |
| if (DEBUG) System.out.println(position + "\t\ti2c"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2c; |
| } |
| final public void i2d() { |
| if (DEBUG) System.out.println(position + "\t\ti2d"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2d; |
| } |
| final public void i2f() { |
| if (DEBUG) System.out.println(position + "\t\ti2f"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2f; |
| } |
| final public void i2l() { |
| if (DEBUG) System.out.println(position + "\t\ti2l"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2l; |
| } |
| final public void i2s() { |
| if (DEBUG) System.out.println(position + "\t\ti2s"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_i2s; |
| } |
| final public void iadd() { |
| if (DEBUG) System.out.println(position + "\t\tiadd"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iadd; |
| } |
| final public void iaload() { |
| if (DEBUG) System.out.println(position + "\t\tiaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iaload; |
| } |
| final public void iand() { |
| if (DEBUG) System.out.println(position + "\t\tiand"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iand; |
| } |
| final public void iastore() { |
| if (DEBUG) System.out.println(position + "\t\tiastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iastore; |
| } |
| final public void iconst_0() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_0; |
| } |
| final public void iconst_1() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_1; |
| } |
| final public void iconst_2() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_2; |
| } |
| final public void iconst_3() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_3; |
| } |
| final public void iconst_4() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_4"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_4; |
| } |
| final public void iconst_5() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_5"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_5; |
| } |
| final public void iconst_m1() { |
| if (DEBUG) System.out.println(position + "\t\ticonst_m1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iconst_m1; |
| } |
| final public void idiv() { |
| if (DEBUG) System.out.println(position + "\t\tidiv"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_idiv; |
| } |
| final public void if_acmpeq(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_acmpeq:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth-=2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_acmpne, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_acmpeq; |
| lbl.branch(); |
| } |
| } |
| final public void if_acmpne(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_acmpne:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth-=2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_acmpeq, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_acmpne; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmpeq(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_cmpeq:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmpne, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmpeq; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmpge(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_iacmpge:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmplt, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmpge; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmpgt(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_iacmpgt:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmple, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmpgt; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmple(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_iacmple:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmpgt, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmple; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmplt(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_iacmplt:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmpge, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmplt; |
| lbl.branch(); |
| } |
| } |
| final public void if_icmpne(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tif_iacmpne:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_if_icmpeq, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_if_icmpne; |
| lbl.branch(); |
| } |
| } |
| final public void ifeq(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifeq:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifne, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifeq; |
| lbl.branch(); |
| } |
| } |
| final public void ifge(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifge:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_iflt, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifge; |
| lbl.branch(); |
| } |
| } |
| final public void ifgt(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifgt:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifle, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifgt; |
| lbl.branch(); |
| } |
| } |
| final public void ifle(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifle:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifgt, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifle; |
| lbl.branch(); |
| } |
| } |
| final public void iflt(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tiflt:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifge, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iflt; |
| lbl.branch(); |
| } |
| } |
| final public void ifne(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifne:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifeq, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifne; |
| lbl.branch(); |
| } |
| } |
| final public void ifnonnull(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifnonnull:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifnull, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifnonnull; |
| lbl.branch(); |
| } |
| } |
| final public void ifnull(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tifnull:"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (this.wideMode) { |
| generateWideRevertedConditionalBranch(OPC_ifnonnull, lbl); |
| } else { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ifnull; |
| lbl.branch(); |
| } |
| } |
| final public void iinc(int index, int value) { |
| if (DEBUG) System.out.println(position + "\t\tiinc:"+index+","+value); //$NON-NLS-1$ //$NON-NLS-2$ |
| countLabels = 0; |
| if ((index > 255) || (value < -128 || value > 127)) { // have to widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_iinc; |
| writeUnsignedShort(index); |
| writeSignedShort(value); |
| } else { |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 3; |
| bCodeStream[classFileOffset++] = OPC_iinc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| bCodeStream[classFileOffset++] = (byte) value; |
| } |
| } |
| final public void iload(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tiload:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_iload; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_iload; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void iload_0() { |
| if (DEBUG) System.out.println(position + "\t\tiload_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 0) { |
| maxLocals = 1; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iload_0; |
| } |
| final public void iload_1() { |
| if (DEBUG) System.out.println(position + "\t\tiload_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iload_1; |
| } |
| final public void iload_2() { |
| if (DEBUG) System.out.println(position + "\t\tiload_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iload_2; |
| } |
| final public void iload_3() { |
| if (DEBUG) System.out.println(position + "\t\tiload_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iload_3; |
| } |
| final public void imul() { |
| if (DEBUG) System.out.println(position + "\t\timul"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_imul; |
| } |
| public void incrementTemp(LocalVariableBinding localBinding, int value) { |
| if (value == (short) value) { |
| this.iinc(localBinding.resolvedPosition, value); |
| return; |
| } |
| load(localBinding); |
| this.ldc(value); |
| this.iadd(); |
| store(localBinding, false); |
| } |
| public void incrStackSize(int offset) { |
| if ((stackDepth += offset) > stackMax) |
| stackMax = stackDepth; |
| } |
| public int indexOfSameLineEntrySincePC(int pc, int line) { |
| for (int index = pc, max = pcToSourceMapSize; index < max; index+=2) { |
| if (pcToSourceMap[index+1] == line) |
| return index; |
| } |
| return -1; |
| } |
| final public void ineg() { |
| if (DEBUG) System.out.println(position + "\t\tineg"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ineg; |
| } |
| public void init(ClassFile targetClassFile) { |
| this.classFile = targetClassFile; |
| this.constantPool = targetClassFile.constantPool; |
| this.bCodeStream = targetClassFile.contents; |
| this.classFileOffset = targetClassFile.contentsOffset; |
| this.startingClassFileOffset = this.classFileOffset; |
| pcToSourceMapSize = 0; |
| lastEntryPC = 0; |
| int length = visibleLocals.length; |
| if (noVisibleLocals.length < length) { |
| noVisibleLocals = new LocalVariableBinding[length]; |
| } |
| System.arraycopy(noVisibleLocals, 0, visibleLocals, 0, length); |
| visibleLocalsCount = 0; |
| |
| length = locals.length; |
| if (noLocals.length < length) { |
| noLocals = new LocalVariableBinding[length]; |
| } |
| System.arraycopy(noLocals, 0, locals, 0, length); |
| allLocalsCounter = 0; |
| |
| length = exceptionHandlers.length; |
| if (noExceptionHandlers.length < length) { |
| noExceptionHandlers = new ExceptionLabel[length]; |
| } |
| System.arraycopy(noExceptionHandlers, 0, exceptionHandlers, 0, length); |
| exceptionHandlersIndex = 0; |
| exceptionHandlersCounter = 0; |
| |
| length = labels.length; |
| if (noLabels.length < length) { |
| noLabels = new Label[length]; |
| } |
| System.arraycopy(noLabels, 0, labels, 0, length); |
| countLabels = 0; |
| |
| stackMax = 0; |
| stackDepth = 0; |
| maxLocals = 0; |
| position = 0; |
| } |
| /** |
| * @param methodBinding the given method binding to initialize the max locals |
| */ |
| public void initializeMaxLocals(MethodBinding methodBinding) { |
| |
| if (methodBinding == null) { |
| this.maxLocals = 0; |
| return; |
| } |
| |
| this.maxLocals = methodBinding.isStatic() ? 0 : 1; |
| |
| // take into account enum constructor synthetic name+ordinal |
| if (methodBinding.isConstructor() && methodBinding.declaringClass.isEnum()) { |
| this.maxLocals += 2; // String and int (enum constant name+ordinal) |
| } |
| |
| // take into account the synthetic parameters |
| if (methodBinding.isConstructor() && methodBinding.declaringClass.isNestedType()) { |
| ReferenceBinding enclosingInstanceTypes[]; |
| if ((enclosingInstanceTypes = methodBinding.declaringClass.syntheticEnclosingInstanceTypes()) != null) { |
| for (int i = 0, max = enclosingInstanceTypes.length; i < max; i++) { |
| this.maxLocals++; // an enclosingInstanceType can only be a reference binding. It cannot be |
| // LongBinding or DoubleBinding |
| } |
| } |
| SyntheticArgumentBinding syntheticArguments[]; |
| if ((syntheticArguments = methodBinding.declaringClass.syntheticOuterLocalVariables()) != null) { |
| for (int i = 0, max = syntheticArguments.length; i < max; i++) { |
| TypeBinding argType; |
| if (((argType = syntheticArguments[i].type) == LongBinding) || (argType == DoubleBinding)) { |
| this.maxLocals += 2; |
| } else { |
| this.maxLocals++; |
| } |
| } |
| } |
| } |
| TypeBinding[] arguments; |
| if ((arguments = methodBinding.parameters) != null) { |
| for (int i = 0, max = arguments.length; i < max; i++) { |
| TypeBinding argType; |
| if (((argType = arguments[i]) == LongBinding) || (argType == DoubleBinding)) { |
| this.maxLocals += 2; |
| } else { |
| this.maxLocals++; |
| } |
| } |
| } |
| } |
| /** |
| * This methods searches for an existing entry inside the pcToSourceMap table with a pc equals to @pc. |
| * If there is an existing entry it returns -1 (no insertion required). |
| * Otherwise it returns the index where the entry for the pc has to be inserted. |
| * This is based on the fact that the pcToSourceMap table is sorted according to the pc. |
| * |
| * @param pcToSourceMap the given pcToSourceMap array |
| * @param length the given length |
| * @param pc the given pc |
| * @return int |
| */ |
| public static int insertionIndex(int[] pcToSourceMap, int length, int pc) { |
| int g = 0; |
| int d = length - 2; |
| int m = 0; |
| while (g <= d) { |
| m = (g + d) / 2; |
| // we search only on even indexes |
| if ((m % 2) != 0) |
| m--; |
| int currentPC = pcToSourceMap[m]; |
| if (pc < currentPC) { |
| d = m - 2; |
| } else |
| if (pc > currentPC) { |
| g = m + 2; |
| } else { |
| return -1; |
| } |
| } |
| if (pc < pcToSourceMap[m]) |
| return m; |
| return m + 2; |
| } |
| /** |
| * We didn't call it instanceof because there is a conflit with the |
| * instanceof keyword |
| */ |
| final public void instance_of(TypeBinding typeBinding) { |
| if (DEBUG) System.out.println(position + "\t\tinstance_of:"+typeBinding); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_instanceof; |
| writeUnsignedShort(constantPool.literalIndexForType(typeBinding.constantPoolName())); |
| } |
| public void invokeClassForName() { |
| // invokestatic: java.lang.Class.forName(Ljava.lang.String;)Ljava.lang.Class; |
| if (DEBUG) System.out.println(position + "\t\tinvokestatic: java.lang.Class.forName(Ljava.lang.String;)Ljava.lang.Class;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokestatic, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangClassConstantPoolName, |
| ConstantPool.ForName, |
| ConstantPool.ForNameSignature); |
| } |
| public void invokeJavaLangClassDesiredAssertionStatus() { |
| // invokevirtual: java.lang.Class.desiredAssertionStatus()Z; |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.Class.desiredAssertionStatus()Z;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangClassConstantPoolName, |
| ConstantPool.DesiredAssertionStatus, |
| ConstantPool.DesiredAssertionStatusSignature); |
| } |
| |
| public void invokeJavaLangClassGetComponentType() { |
| // invokevirtual: java.lang.Class.getComponentType()java.lang.Class; |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.Class.getComponentType()java.lang.Class;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangClassConstantPoolName, |
| ConstantPool.GetComponentType, |
| ConstantPool.GetComponentTypeSignature); |
| } |
| public void invokeEnumOrdinal(char[] enumTypeConstantPoolName) { |
| // invokevirtual: <enumConstantPoolName>.ordinal() |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: "+new String(enumTypeConstantPoolName)+".ordinal()"); //$NON-NLS-1$ //$NON-NLS-2$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| enumTypeConstantPoolName, |
| ConstantPool.Ordinal, |
| ConstantPool.OrdinalSignature); |
| } |
| final public void invokeinterface(MethodBinding methodBinding) { |
| // initialized to 1 to take into account this immediately |
| if (DEBUG) System.out.println(position + "\t\tinvokeinterface: " + methodBinding); //$NON-NLS-1$ |
| countLabels = 0; |
| int argCount = 1; |
| int id; |
| if (classFileOffset + 4 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 3; |
| bCodeStream[classFileOffset++] = OPC_invokeinterface; |
| writeUnsignedShort(constantPool.literalIndex(methodBinding)); |
| for (int i = methodBinding.parameters.length - 1; i >= 0; i--) |
| if (((id = methodBinding.parameters[i].id) == T_double) || (id == T_long)) |
| argCount += 2; |
| else |
| argCount += 1; |
| bCodeStream[classFileOffset++] = (byte) argCount; |
| // Generate a 0 into the byte array. Like the array is already fill with 0, we just need to increment |
| // the number of bytes. |
| bCodeStream[classFileOffset++] = 0; |
| if (((id = methodBinding.returnType.id) == T_double) || (id == T_long)) { |
| stackDepth += (2 - argCount); |
| } else { |
| if (id == T_void) { |
| stackDepth -= argCount; |
| } else { |
| stackDepth += (1 - argCount); |
| } |
| } |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| } |
| public void invokeJavaLangErrorConstructor() { |
| // invokespecial: java.lang.Error<init>(Ljava.lang.String;)V |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial: java.lang.Error<init>(Ljava.lang.String;)V"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokespecial, |
| 1, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangErrorConstantPoolName, |
| ConstantPool.Init, |
| ConstantPool.StringConstructorSignature); |
| } |
| public void invokeNoClassDefFoundErrorStringConstructor() { |
| // invokespecial: java.lang.NoClassDefFoundError.<init>(Ljava.lang.String;)V |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial: java.lang.NoClassDefFoundError.<init>(Ljava.lang.String;)V"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokespecial, |
| 1, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangNoClassDefFoundErrorConstantPoolName, |
| ConstantPool.Init, |
| ConstantPool.StringConstructorSignature); |
| } |
| public void invokeObjectGetClass() { |
| // invokevirtual: java.lang.Object.getClass()Ljava.lang.Class; |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.Object.getClass()Ljava.lang.Class;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangObjectConstantPoolName, |
| ConstantPool.GetClass, |
| ConstantPool.GetClassSignature); |
| } |
| |
| final public void invokespecial(MethodBinding methodBinding) { |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial:"+methodBinding); //$NON-NLS-1$ |
| // initialized to 1 to take into account this immediately |
| countLabels = 0; |
| int argCount = 1; |
| int id; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_invokespecial; |
| writeUnsignedShort(constantPool.literalIndex(methodBinding)); |
| if (methodBinding.isConstructor() && methodBinding.declaringClass.isNestedType()) { |
| // enclosing instances |
| TypeBinding[] syntheticArgumentTypes = methodBinding.declaringClass.syntheticEnclosingInstanceTypes(); |
| if (syntheticArgumentTypes != null) { |
| for (int i = 0, max = syntheticArgumentTypes.length; i < max; i++) { |
| if (((id = syntheticArgumentTypes[i].id) == T_double) || (id == T_long)) { |
| argCount += 2; |
| } else { |
| argCount++; |
| } |
| } |
| } |
| // outer local variables |
| SyntheticArgumentBinding[] syntheticArguments = methodBinding.declaringClass.syntheticOuterLocalVariables(); |
| if (syntheticArguments != null) { |
| for (int i = 0, max = syntheticArguments.length; i < max; i++) { |
| if (((id = syntheticArguments[i].type.id) == T_double) || (id == T_long)) { |
| argCount += 2; |
| } else { |
| argCount++; |
| } |
| } |
| } |
| } |
| for (int i = methodBinding.parameters.length - 1; i >= 0; i--) |
| if (((id = methodBinding.parameters[i].id) == T_double) || (id == T_long)) |
| argCount += 2; |
| else |
| argCount++; |
| if (((id = methodBinding.returnType.id) == T_double) || (id == T_long)) |
| stackDepth += (2 - argCount); |
| else |
| if (id == T_void) |
| stackDepth -= argCount; |
| else |
| stackDepth += (1 - argCount); |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| } |
| final public void invokestatic(MethodBinding methodBinding) { |
| if (DEBUG) System.out.println(position + "\t\tinvokestatic:"+methodBinding); //$NON-NLS-1$ |
| // initialized to 0 to take into account that there is no this for |
| // a static method |
| countLabels = 0; |
| int argCount = 0; |
| int id; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_invokestatic; |
| writeUnsignedShort(constantPool.literalIndex(methodBinding)); |
| for (int i = methodBinding.parameters.length - 1; i >= 0; i--) |
| if (((id = methodBinding.parameters[i].id) == T_double) || (id == T_long)) |
| argCount += 2; |
| else |
| argCount += 1; |
| if (((id = methodBinding.returnType.id) == T_double) || (id == T_long)) |
| stackDepth += (2 - argCount); |
| else |
| if (id == T_void) |
| stackDepth -= argCount; |
| else |
| stackDepth += (1 - argCount); |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| } |
| /** |
| * The equivalent code performs a string conversion of the TOS |
| * @param typeID <CODE>int</CODE> |
| */ |
| public void invokeStringConcatenationAppendForType(int typeID) { |
| if (DEBUG) { |
| if (this.targetLevel >= JDK1_5) { |
| System.out.println(position + "\t\tinvokevirtual: java.lang.StringBuilder.append(...)"); //$NON-NLS-1$ |
| } else { |
| System.out.println(position + "\t\tinvokevirtual: java.lang.StringBuffer.append(...)"); //$NON-NLS-1$ |
| } |
| } |
| int argCount = 1; |
| int returnType = 1; |
| char[] declarinClass = null; |
| char[] selector = ConstantPool.Append; |
| char[] signature = null; |
| switch (typeID) { |
| case T_int : |
| case T_byte : |
| case T_short : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendIntSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendIntSignature; |
| } |
| break; |
| case T_long : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendLongSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendLongSignature; |
| } |
| argCount = 2; |
| break; |
| case T_float : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendFloatSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendFloatSignature; |
| } |
| break; |
| case T_double : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendDoubleSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendDoubleSignature; |
| } |
| argCount = 2; |
| break; |
| case T_char : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendCharSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendCharSignature; |
| } |
| break; |
| case T_boolean : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendBooleanSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendBooleanSignature; |
| } |
| break; |
| case T_undefined : |
| case T_JavaLangObject : |
| case T_null : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendObjectSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendObjectSignature; |
| } |
| break; |
| case T_JavaLangString : |
| if (this.targetLevel >= JDK1_5) { |
| declarinClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| signature = ConstantPool.StringBuilderAppendStringSignature; |
| } else { |
| declarinClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| signature = ConstantPool.StringBufferAppendStringSignature; |
| } |
| break; |
| } |
| this.invoke( |
| OPC_invokevirtual, |
| argCount, // argCount |
| returnType, // return type size |
| declarinClass, |
| selector, |
| signature); |
| } |
| |
| public void invokeJavaLangAssertionErrorConstructor(int typeBindingID) { |
| // invokespecial: java.lang.AssertionError.<init>(typeBindingID)V |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial: java.lang.AssertionError.<init>(typeBindingID)V"); //$NON-NLS-1$ |
| int argCount = 1; |
| char[] signature = null; |
| switch (typeBindingID) { |
| case T_int : |
| case T_byte : |
| case T_short : |
| signature = ConstantPool.IntConstrSignature; |
| break; |
| case T_long : |
| signature = ConstantPool.LongConstrSignature; |
| argCount = 2; |
| break; |
| case T_float : |
| signature = ConstantPool.FloatConstrSignature; |
| break; |
| case T_double : |
| signature = ConstantPool.DoubleConstrSignature; |
| argCount = 2; |
| break; |
| case T_char : |
| signature = ConstantPool.CharConstrSignature; |
| break; |
| case T_boolean : |
| signature = ConstantPool.BooleanConstrSignature; |
| break; |
| case T_JavaLangObject : |
| case T_JavaLangString : |
| case T_null : |
| signature = ConstantPool.ObjectConstrSignature; |
| break; |
| } |
| this.invoke( |
| OPC_invokespecial, |
| argCount, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangAssertionErrorConstantPoolName, |
| ConstantPool.Init, |
| signature); |
| } |
| |
| public void invokeJavaLangAssertionErrorDefaultConstructor() { |
| // invokespecial: java.lang.AssertionError.<init>()V |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial: java.lang.AssertionError.<init>()V"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokespecial, |
| 0, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangAssertionErrorConstantPoolName, |
| ConstantPool.Init, |
| ConstantPool.DefaultConstructorSignature); |
| } |
| public void invokeJavaLangEnumname(TypeBinding typeBinding) { |
| // invokevirtual: java.lang.Enum.name()String |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.Enum.name()Ljava/lang/String;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, |
| 1, |
| typeBinding.constantPoolName(), |
| ConstantPool.Name, |
| ConstantPool.NameSignature); |
| } |
| public void invokeJavaLangIllegalArgumentExceptionStringConstructor() { |
| // invokespecial: java.lang.IllegalArgumentException.<init>(String)V |
| if (DEBUG) System.out.println(position + "\t\tinvokespecial: java.lang.IllegalArgumentException.<init>(java.lang.String)V"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokespecial, |
| 1, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangIllegalArgumentExceptionConstantPoolName, |
| ConstantPool.Init, |
| ConstantPool.StringConstructorSignature); |
| } |
| |
| public void invokeJavaUtilIteratorHasNext() { |
| // invokeinterface java.util.Iterator.hasNext()Z |
| if (DEBUG) System.out.println(position + "\t\tinvokeinterface: java.util.Iterator.hasNext()Z"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokeinterface, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaUtilIteratorConstantPoolName, |
| ConstantPool.HasNext, |
| ConstantPool.HasNextSignature); |
| } |
| public void invokeJavaUtilIteratorNext() { |
| // invokeinterface java.util.Iterator.next()java.lang.Object |
| if (DEBUG) System.out.println(position + "\t\tinvokeinterface: java.util.Iterator.next()java.lang.Object"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokeinterface, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaUtilIteratorConstantPoolName, |
| ConstantPool.Next, |
| ConstantPool.NextSignature); |
| } |
| public void invokeStringConcatenationDefaultConstructor() { |
| // invokespecial: java.lang.StringBuffer.<init>()V |
| if (DEBUG) { |
| if (this.targetLevel >= JDK1_5) { |
| System.out.println(position + "\t\tinvokespecial: java.lang.StringBuilder.<init>()V"); //$NON-NLS-1$ |
| } else { |
| System.out.println(position + "\t\tinvokespecial: java.lang.StringBuffer.<init>()V"); //$NON-NLS-1$ |
| } |
| } |
| char[] declaringClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| if (this.targetLevel >= JDK1_5) { |
| declaringClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| } |
| this.invoke( |
| OPC_invokespecial, |
| 0, // argCount |
| 0, // return type size |
| declaringClass, |
| ConstantPool.Init, |
| ConstantPool.DefaultConstructorSignature); |
| } |
| public void invokeStringConcatenationStringConstructor() { |
| if (DEBUG) { |
| if (this.targetLevel >= JDK1_5) { |
| System.out.println(position + "\t\tjava.lang.StringBuilder.<init>(Ljava.lang.String;)V"); //$NON-NLS-1$ |
| } else { |
| System.out.println(position + "\t\tjava.lang.StringBuffer.<init>(Ljava.lang.String;)V"); //$NON-NLS-1$ |
| } |
| } |
| char[] declaringClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| if (this.targetLevel >= JDK1_5) { |
| declaringClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| } |
| this.invoke( |
| OPC_invokespecial, |
| 1, // argCount |
| 0, // return type size |
| declaringClass, |
| ConstantPool.Init, |
| ConstantPool.StringConstructorSignature); |
| } |
| |
| public void invokeStringConcatenationToString() { |
| if (DEBUG) { |
| if (this.targetLevel >= JDK1_5) { |
| System.out.println(position + "\t\tinvokevirtual: StringBuilder.toString()Ljava.lang.String;"); //$NON-NLS-1$ |
| } else { |
| System.out.println(position + "\t\tinvokevirtual: StringBuffer.toString()Ljava.lang.String;"); //$NON-NLS-1$ |
| } |
| } |
| char[] declaringClass = ConstantPool.JavaLangStringBufferConstantPoolName; |
| if (this.targetLevel >= JDK1_5) { |
| declaringClass = ConstantPool.JavaLangStringBuilderConstantPoolName; |
| } |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| declaringClass, |
| ConstantPool.ToString, |
| ConstantPool.ToStringSignature); |
| } |
| public void invokeStringEquals() { |
| // invokevirtual: java.lang.String.equals(java.lang.Object) |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.String.equals(...)"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 1, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangStringConstantPoolName, |
| ConstantPool.Equals, |
| ConstantPool.EqualsSignature); |
| } |
| public void invokeStringIntern() { |
| // invokevirtual: java.lang.String.intern() |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.String.intern()"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangStringConstantPoolName, |
| ConstantPool.Intern, |
| ConstantPool.InternSignature); |
| } |
| public void invokeStringValueOf(int typeID) { |
| // invokestatic: java.lang.String.valueOf(argumentType) |
| if (DEBUG) System.out.println(position + "\t\tinvokestatic: java.lang.String.valueOf(...)"); //$NON-NLS-1$ |
| int argCount = 1; |
| char[] signature = null; |
| switch (typeID) { |
| case T_int : |
| case T_byte : |
| case T_short : |
| signature = ConstantPool.ValueOfIntSignature; |
| break; |
| case T_long : |
| signature = ConstantPool.ValueOfLongSignature; |
| argCount = 2; |
| break; |
| case T_float : |
| signature = ConstantPool.ValueOfFloatSignature; |
| break; |
| case T_double : |
| signature = ConstantPool.ValueOfDoubleSignature; |
| argCount = 2; |
| break; |
| case T_char : |
| signature = ConstantPool.ValueOfCharSignature; |
| break; |
| case T_boolean : |
| signature = ConstantPool.ValueOfBooleanSignature; |
| break; |
| case T_JavaLangObject : |
| case T_JavaLangString : |
| case T_null : |
| case T_undefined : |
| signature = ConstantPool.ValueOfObjectSignature; |
| break; |
| } |
| this.invoke( |
| OPC_invokestatic, |
| argCount, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangStringConstantPoolName, |
| ConstantPool.ValueOf, |
| signature); |
| } |
| public void invokeSystemArraycopy() { |
| // invokestatic #21 <Method java/lang/System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V> |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.System.arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokestatic, |
| 5, // argCount |
| 0, // return type size |
| ConstantPool.JavaLangSystemConstantPoolName, |
| ConstantPool.ArrayCopy, |
| ConstantPool.ArrayCopySignature); |
| } |
| public void invokeThrowableGetMessage() { |
| // invokevirtual: java.lang.Throwable.getMessage()Ljava.lang.String; |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual: java.lang.Throwable.getMessage()Ljava.lang.String;"); //$NON-NLS-1$ |
| this.invoke( |
| OPC_invokevirtual, |
| 0, // argCount |
| 1, // return type size |
| ConstantPool.JavaLangThrowableConstantPoolName, |
| ConstantPool.GetMessage, |
| ConstantPool.GetMessageSignature); |
| } |
| final public void invoke(int opcode, int argsSize, int returnTypeSize, char[] declaringClass, char[] selector, char[] signature) { |
| countLabels = 0; |
| int argCount = argsSize; |
| switch(opcode) { |
| case OPC_invokeinterface : |
| if (classFileOffset + 4 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position +=3; |
| bCodeStream[classFileOffset++] = OPC_invokeinterface; |
| writeUnsignedShort(constantPool.literalIndexForMethod(declaringClass, selector, signature, true)); |
| argCount++; |
| bCodeStream[classFileOffset++] = (byte) argCount; |
| bCodeStream[classFileOffset++] = 0; |
| break; |
| case OPC_invokevirtual : |
| case OPC_invokespecial : |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = (byte) opcode; |
| writeUnsignedShort(constantPool.literalIndexForMethod(declaringClass, selector, signature, false)); |
| argCount++; |
| break; |
| case OPC_invokestatic : |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_invokestatic; |
| writeUnsignedShort(constantPool.literalIndexForMethod(declaringClass, selector, signature, false)); |
| } |
| stackDepth += returnTypeSize - argCount; |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| } |
| final public void invokevirtual(MethodBinding methodBinding) { |
| if (DEBUG) System.out.println(position + "\t\tinvokevirtual:"+methodBinding); //$NON-NLS-1$ |
| // initialized to 1 to take into account this immediately |
| countLabels = 0; |
| int argCount = 1; |
| int id; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_invokevirtual; |
| writeUnsignedShort(constantPool.literalIndex(methodBinding)); |
| for (int i = methodBinding.parameters.length - 1; i >= 0; i--) |
| if (((id = methodBinding.parameters[i].id) == T_double) || (id == T_long)) |
| argCount += 2; |
| else |
| argCount++; |
| if (((id = methodBinding.returnType.id) == T_double) || (id == T_long)) |
| stackDepth += (2 - argCount); |
| else |
| if (id == T_void) |
| stackDepth -= argCount; |
| else |
| stackDepth += (1 - argCount); |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| } |
| final public void ior() { |
| if (DEBUG) System.out.println(position + "\t\tior"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ior; |
| } |
| final public void irem() { |
| if (DEBUG) System.out.println(position + "\t\tirem"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_irem; |
| } |
| final public void ireturn() { |
| if (DEBUG) System.out.println(position + "\t\tireturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ireturn; |
| } |
| public boolean isDefinitelyAssigned(Scope scope, int initStateIndex, LocalVariableBinding local) { |
| // Dependant of UnconditionalFlowInfo.isDefinitelyAssigned(..) |
| if (initStateIndex == -1) |
| return false; |
| if (local.isArgument) { |
| return true; |
| } |
| int localPosition = local.id + maxFieldCount; |
| MethodScope methodScope = scope.methodScope(); |
| // id is zero-based |
| if (localPosition < UnconditionalFlowInfo.BitCacheSize) { |
| return (methodScope.definiteInits[initStateIndex] & (1L << localPosition)) != 0; // use bits |
| } |
| // use extra vector |
| long[] extraInits = methodScope.extraDefiniteInits[initStateIndex]; |
| if (extraInits == null) |
| return false; // if vector not yet allocated, then not initialized |
| int vectorIndex; |
| if ((vectorIndex = (localPosition / UnconditionalFlowInfo.BitCacheSize) - 1) >= extraInits.length) |
| return false; // if not enough room in vector, then not initialized |
| return ((extraInits[vectorIndex]) & (1L << (localPosition % UnconditionalFlowInfo.BitCacheSize))) != 0; |
| } |
| final public void ishl() { |
| if (DEBUG) System.out.println(position + "\t\tishl"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ishl; |
| } |
| final public void ishr() { |
| if (DEBUG) System.out.println(position + "\t\tishr"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ishr; |
| } |
| final public void istore(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tistore:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= iArg) { |
| maxLocals = iArg + 1; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_istore; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_istore; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void istore_0() { |
| if (DEBUG) System.out.println(position + "\t\tistore_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals == 0) { |
| maxLocals = 1; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_istore_0; |
| } |
| final public void istore_1() { |
| if (DEBUG) System.out.println(position + "\t\tistore_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 1) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_istore_1; |
| } |
| final public void istore_2() { |
| if (DEBUG) System.out.println(position + "\t\tistore_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 2) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_istore_2; |
| } |
| final public void istore_3() { |
| if (DEBUG) System.out.println(position + "\t\tistore_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (maxLocals <= 3) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_istore_3; |
| } |
| final public void isub() { |
| if (DEBUG) System.out.println(position + "\t\tisub"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_isub; |
| } |
| final public void iushr() { |
| if (DEBUG) System.out.println(position + "\t\tiushr"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_iushr; |
| } |
| final public void ixor() { |
| if (DEBUG) System.out.println(position + "\t\tixor"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ixor; |
| } |
| final public void jsr(Label lbl) { |
| if (this.wideMode) { |
| this.jsr_w(lbl); |
| return; |
| } |
| if (DEBUG) System.out.println(position + "\t\tjsr"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_jsr; |
| lbl.branch(); |
| } |
| final public void jsr_w(Label lbl) { |
| if (DEBUG) System.out.println(position + "\t\tjsr_w"+lbl); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_jsr_w; |
| lbl.branchWide(); |
| } |
| final public void l2d() { |
| if (DEBUG) System.out.println(position + "\t\tl2d"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_l2d; |
| } |
| final public void l2f() { |
| if (DEBUG) System.out.println(position + "\t\tl2f"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_l2f; |
| } |
| final public void l2i() { |
| if (DEBUG) System.out.println(position + "\t\tl2i"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_l2i; |
| } |
| final public void ladd() { |
| if (DEBUG) System.out.println(position + "\t\tladd"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ladd; |
| } |
| final public void laload() { |
| if (DEBUG) System.out.println(position + "\t\tlaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_laload; |
| } |
| final public void land() { |
| if (DEBUG) System.out.println(position + "\t\tland"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_land; |
| } |
| final public void lastore() { |
| if (DEBUG) System.out.println(position + "\t\tlastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 4; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lastore; |
| } |
| final public void lcmp() { |
| if (DEBUG) System.out.println(position + "\t\tlcmp"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lcmp; |
| } |
| final public void lconst_0() { |
| if (DEBUG) System.out.println(position + "\t\tlconst_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lconst_0; |
| } |
| final public void lconst_1() { |
| if (DEBUG) System.out.println(position + "\t\tlconst_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lconst_1; |
| } |
| final public void ldc(float constant) { |
| countLabels = 0; |
| int index = constantPool.literalIndex(constant); |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| if (DEBUG) System.out.println(position + "\t\tldc_w:"+constant); //$NON-NLS-1$ |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| if (DEBUG) System.out.println(position + "\t\tldc:"+constant); //$NON-NLS-1$ |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| } |
| final public void ldc(int constant) { |
| countLabels = 0; |
| int index = constantPool.literalIndex(constant); |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| if (DEBUG) System.out.println(position + "\t\tldc_w:"+constant); //$NON-NLS-1$ |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| if (DEBUG) System.out.println(position + "\t\tldc:"+constant); //$NON-NLS-1$ |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| } |
| final public void ldc(String constant) { |
| countLabels = 0; |
| int currentConstantPoolIndex = constantPool.currentIndex; |
| int currentConstantPoolOffset = constantPool.currentOffset; |
| int currentCodeStreamPosition = position; |
| int index = constantPool.literalIndexForLdc(constant.toCharArray()); |
| if (index > 0) { |
| // the string already exists inside the constant pool |
| // we reuse the same index |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| if (DEBUG) System.out.println(position + "\t\tldc_w:"+constant); //$NON-NLS-1$ |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| if (DEBUG) System.out.println(position + "\t\tldc:"+constant); //$NON-NLS-1$ |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| } else { |
| // the string is too big to be utf8-encoded in one pass. |
| // we have to split it into different pieces. |
| // first we clean all side-effects due to the code above |
| // this case is very rare, so we can afford to lose time to handle it |
| char[] constantChars = constant.toCharArray(); |
| position = currentCodeStreamPosition; |
| constantPool.currentIndex = currentConstantPoolIndex; |
| constantPool.currentOffset = currentConstantPoolOffset; |
| constantPool.stringCache.remove(constantChars); |
| constantPool.UTF8Cache.remove(constantChars); |
| int i = 0; |
| int length = 0; |
| int constantLength = constant.length(); |
| byte[] utf8encoding = new byte[Math.min(constantLength + 100, 65535)]; |
| int utf8encodingLength = 0; |
| while ((length < 65532) && (i < constantLength)) { |
| char current = constantChars[i]; |
| // we resize the byte array immediately if necessary |
| if (length + 3 > (utf8encodingLength = utf8encoding.length)) { |
| System.arraycopy(utf8encoding, 0, utf8encoding = new byte[Math.min(utf8encodingLength + 100, 65535)], 0, length); |
| } |
| if ((current >= 0x0001) && (current <= 0x007F)) { |
| // we only need one byte: ASCII table |
| utf8encoding[length++] = (byte) current; |
| } else { |
| if (current > 0x07FF) { |
| // we need 3 bytes |
| utf8encoding[length++] = (byte) (0xE0 | ((current >> 12) & 0x0F)); // 0xE0 = 1110 0000 |
| utf8encoding[length++] = (byte) (0x80 | ((current >> 6) & 0x3F)); // 0x80 = 1000 0000 |
| utf8encoding[length++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000 |
| } else { |
| // we can be 0 or between 0x0080 and 0x07FF |
| // In that case we only need 2 bytes |
| utf8encoding[length++] = (byte) (0xC0 | ((current >> 6) & 0x1F)); // 0xC0 = 1100 0000 |
| utf8encoding[length++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000 |
| } |
| } |
| i++; |
| } |
| // check if all the string is encoded (PR 1PR2DWJ) |
| // the string is too big to be encoded in one pass |
| newStringContatenation(); |
| dup(); |
| // write the first part |
| char[] subChars = new char[i]; |
| System.arraycopy(constantChars, 0, subChars, 0, i); |
| System.arraycopy(utf8encoding, 0, utf8encoding = new byte[length], 0, length); |
| index = constantPool.literalIndex(subChars, utf8encoding); |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| // write the remaining part |
| invokeStringConcatenationStringConstructor(); |
| while (i < constantLength) { |
| length = 0; |
| utf8encoding = new byte[Math.min(constantLength - i + 100, 65535)]; |
| int startIndex = i; |
| while ((length < 65532) && (i < constantLength)) { |
| char current = constantChars[i]; |
| // we resize the byte array immediately if necessary |
| if (constantLength + 2 > (utf8encodingLength = utf8encoding.length)) { |
| System.arraycopy(utf8encoding, 0, utf8encoding = new byte[Math.min(utf8encodingLength + 100, 65535)], 0, length); |
| } |
| if ((current >= 0x0001) && (current <= 0x007F)) { |
| // we only need one byte: ASCII table |
| utf8encoding[length++] = (byte) current; |
| } else { |
| if (current > 0x07FF) { |
| // we need 3 bytes |
| utf8encoding[length++] = (byte) (0xE0 | ((current >> 12) & 0x0F)); // 0xE0 = 1110 0000 |
| utf8encoding[length++] = (byte) (0x80 | ((current >> 6) & 0x3F)); // 0x80 = 1000 0000 |
| utf8encoding[length++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000 |
| } else { |
| // we can be 0 or between 0x0080 and 0x07FF |
| // In that case we only need 2 bytes |
| utf8encoding[length++] = (byte) (0xC0 | ((current >> 6) & 0x1F)); // 0xC0 = 1100 0000 |
| utf8encoding[length++] = (byte) (0x80 | (current & 0x3F)); // 0x80 = 1000 0000 |
| } |
| } |
| i++; |
| } |
| // the next part is done |
| subChars = new char[i - startIndex]; |
| System.arraycopy(constantChars, startIndex, subChars, 0, i - startIndex); |
| System.arraycopy(utf8encoding, 0, utf8encoding = new byte[length], 0, length); |
| index = constantPool.literalIndex(subChars, utf8encoding); |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| // now on the stack it should be a StringBuffer and a string. |
| invokeStringConcatenationAppendForType(T_JavaLangString); |
| } |
| invokeStringConcatenationToString(); |
| invokeStringIntern(); |
| } |
| } |
| final public void ldc(TypeBinding typeBinding) { |
| countLabels = 0; |
| int index = constantPool.literalIndexForType(typeBinding.constantPoolName()); |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (index > 255) { |
| if (DEBUG) System.out.println(position + "\t\tldc_w:"+ typeBinding); //$NON-NLS-1$ |
| // Generate a ldc_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc_w; |
| writeUnsignedShort(index); |
| } else { |
| if (DEBUG) System.out.println(position + "\t\tldw:"+ typeBinding); //$NON-NLS-1$ |
| // Generate a ldc |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ldc; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| } |
| final public void ldc2_w(double constant) { |
| if (DEBUG) System.out.println(position + "\t\tldc2_w:"+constant); //$NON-NLS-1$ |
| countLabels = 0; |
| int index = constantPool.literalIndex(constant); |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| // Generate a ldc2_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc2_w; |
| writeUnsignedShort(index); |
| } |
| final public void ldc2_w(long constant) { |
| if (DEBUG) System.out.println(position + "\t\tldc2_w:"+constant); //$NON-NLS-1$ |
| countLabels = 0; |
| int index = constantPool.literalIndex(constant); |
| stackDepth += 2; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| // Generate a ldc2_w |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldc2_w; |
| writeUnsignedShort(index); |
| } |
| final public void ldiv() { |
| if (DEBUG) System.out.println(position + "\t\tldiv"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_ldiv; |
| } |
| final public void lload(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tlload:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (maxLocals <= iArg + 1) { |
| maxLocals = iArg + 2; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_lload; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_lload; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void lload_0() { |
| if (DEBUG) System.out.println(position + "\t\tlload_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (maxLocals < 2) { |
| maxLocals = 2; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lload_0; |
| } |
| final public void lload_1() { |
| if (DEBUG) System.out.println(position + "\t\tlload_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (maxLocals < 3) { |
| maxLocals = 3; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lload_1; |
| } |
| final public void lload_2() { |
| if (DEBUG) System.out.println(position + "\t\tlload_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (maxLocals < 4) { |
| maxLocals = 4; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lload_2; |
| } |
| final public void lload_3() { |
| if (DEBUG) System.out.println(position + "\t\tlload_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth += 2; |
| if (maxLocals < 5) { |
| maxLocals = 5; |
| } |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lload_3; |
| } |
| final public void lmul() { |
| if (DEBUG) System.out.println(position + "\t\tlmul"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lmul; |
| } |
| final public void lneg() { |
| if (DEBUG) System.out.println(position + "\t\tlneg"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lneg; |
| } |
| public final void load(LocalVariableBinding localBinding) { |
| countLabels = 0; |
| TypeBinding typeBinding = localBinding.type; |
| int resolvedPosition = localBinding.resolvedPosition; |
| // Using dedicated int bytecode |
| if (typeBinding == IntBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.iload_0(); |
| break; |
| case 1 : |
| this.iload_1(); |
| break; |
| case 2 : |
| this.iload_2(); |
| break; |
| case 3 : |
| this.iload_3(); |
| break; |
| //case -1 : |
| // internal failure: trying to load variable not supposed to be generated |
| // break; |
| default : |
| this.iload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated float bytecode |
| if (typeBinding == FloatBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.fload_0(); |
| break; |
| case 1 : |
| this.fload_1(); |
| break; |
| case 2 : |
| this.fload_2(); |
| break; |
| case 3 : |
| this.fload_3(); |
| break; |
| default : |
| this.fload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated long bytecode |
| if (typeBinding == LongBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.lload_0(); |
| break; |
| case 1 : |
| this.lload_1(); |
| break; |
| case 2 : |
| this.lload_2(); |
| break; |
| case 3 : |
| this.lload_3(); |
| break; |
| default : |
| this.lload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated double bytecode |
| if (typeBinding == DoubleBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.dload_0(); |
| break; |
| case 1 : |
| this.dload_1(); |
| break; |
| case 2 : |
| this.dload_2(); |
| break; |
| case 3 : |
| this.dload_3(); |
| break; |
| default : |
| this.dload(resolvedPosition); |
| } |
| return; |
| } |
| // boolean, byte, char and short are handled as int |
| if ((typeBinding == ByteBinding) || (typeBinding == CharBinding) || (typeBinding == BooleanBinding) || (typeBinding == ShortBinding)) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.iload_0(); |
| break; |
| case 1 : |
| this.iload_1(); |
| break; |
| case 2 : |
| this.iload_2(); |
| break; |
| case 3 : |
| this.iload_3(); |
| break; |
| default : |
| this.iload(resolvedPosition); |
| } |
| return; |
| } |
| |
| // Reference object |
| switch (resolvedPosition) { |
| case 0 : |
| this.aload_0(); |
| break; |
| case 1 : |
| this.aload_1(); |
| break; |
| case 2 : |
| this.aload_2(); |
| break; |
| case 3 : |
| this.aload_3(); |
| break; |
| default : |
| this.aload(resolvedPosition); |
| } |
| } |
| public final void load(TypeBinding typeBinding, int resolvedPosition) { |
| countLabels = 0; |
| // Using dedicated int bytecode |
| if (typeBinding == IntBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.iload_0(); |
| break; |
| case 1 : |
| this.iload_1(); |
| break; |
| case 2 : |
| this.iload_2(); |
| break; |
| case 3 : |
| this.iload_3(); |
| break; |
| default : |
| this.iload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated float bytecode |
| if (typeBinding == FloatBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.fload_0(); |
| break; |
| case 1 : |
| this.fload_1(); |
| break; |
| case 2 : |
| this.fload_2(); |
| break; |
| case 3 : |
| this.fload_3(); |
| break; |
| default : |
| this.fload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated long bytecode |
| if (typeBinding == LongBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.lload_0(); |
| break; |
| case 1 : |
| this.lload_1(); |
| break; |
| case 2 : |
| this.lload_2(); |
| break; |
| case 3 : |
| this.lload_3(); |
| break; |
| default : |
| this.lload(resolvedPosition); |
| } |
| return; |
| } |
| // Using dedicated double bytecode |
| if (typeBinding == DoubleBinding) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.dload_0(); |
| break; |
| case 1 : |
| this.dload_1(); |
| break; |
| case 2 : |
| this.dload_2(); |
| break; |
| case 3 : |
| this.dload_3(); |
| break; |
| default : |
| this.dload(resolvedPosition); |
| } |
| return; |
| } |
| // boolean, byte, char and short are handled as int |
| if ((typeBinding == ByteBinding) || (typeBinding == CharBinding) || (typeBinding == BooleanBinding) || (typeBinding == ShortBinding)) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.iload_0(); |
| break; |
| case 1 : |
| this.iload_1(); |
| break; |
| case 2 : |
| this.iload_2(); |
| break; |
| case 3 : |
| this.iload_3(); |
| break; |
| default : |
| this.iload(resolvedPosition); |
| } |
| return; |
| } |
| |
| // Reference object |
| switch (resolvedPosition) { |
| case 0 : |
| this.aload_0(); |
| break; |
| case 1 : |
| this.aload_1(); |
| break; |
| case 2 : |
| this.aload_2(); |
| break; |
| case 3 : |
| this.aload_3(); |
| break; |
| default : |
| this.aload(resolvedPosition); |
| } |
| } |
| public final void loadInt(int resolvedPosition) { |
| // Using dedicated int bytecode |
| switch (resolvedPosition) { |
| case 0 : |
| this.iload_0(); |
| break; |
| case 1 : |
| this.iload_1(); |
| break; |
| case 2 : |
| this.iload_2(); |
| break; |
| case 3 : |
| this.iload_3(); |
| break; |
| default : |
| this.iload(resolvedPosition); |
| } |
| } |
| public final void loadObject(int resolvedPosition) { |
| switch (resolvedPosition) { |
| case 0 : |
| this.aload_0(); |
| break; |
| case 1 : |
| this.aload_1(); |
| break; |
| case 2 : |
| this.aload_2(); |
| break; |
| case 3 : |
| this.aload_3(); |
| break; |
| default : |
| this.aload(resolvedPosition); |
| } |
| } |
| final public void lookupswitch(CaseLabel defaultLabel, int[] keys, int[] sortedIndexes, CaseLabel[] casesLabel) { |
| if (DEBUG) System.out.println(position + "\t\tlookupswitch"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| int length = keys.length; |
| int pos = position; |
| defaultLabel.placeInstruction(); |
| for (int i = 0; i < length; i++) { |
| casesLabel[i].placeInstruction(); |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lookupswitch; |
| for (int i = (3 - (pos % 4)); i > 0; i--) { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = 0; |
| } |
| defaultLabel.branch(); |
| writeSignedWord(length); |
| for (int i = 0; i < length; i++) { |
| writeSignedWord(keys[sortedIndexes[i]]); |
| casesLabel[sortedIndexes[i]].branch(); |
| } |
| } |
| final public void lor() { |
| if (DEBUG) System.out.println(position + "\t\tlor"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lor; |
| } |
| final public void lrem() { |
| if (DEBUG) System.out.println(position + "\t\tlrem"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lrem; |
| } |
| final public void lreturn() { |
| if (DEBUG) System.out.println(position + "\t\tlreturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lreturn; |
| } |
| final public void lshl() { |
| if (DEBUG) System.out.println(position + "\t\tlshl"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lshl; |
| } |
| final public void lshr() { |
| if (DEBUG) System.out.println(position + "\t\tlshr"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lshr; |
| } |
| final public void lstore(int iArg) { |
| if (DEBUG) System.out.println(position + "\t\tlstore:"+iArg); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals <= iArg + 1) { |
| maxLocals = iArg + 2; |
| } |
| if (iArg > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_lstore; |
| writeUnsignedShort(iArg); |
| } else { |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_lstore; |
| bCodeStream[classFileOffset++] = (byte) iArg; |
| } |
| } |
| final public void lstore_0() { |
| if (DEBUG) System.out.println(position + "\t\tlstore_0"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 2) { |
| maxLocals = 2; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lstore_0; |
| } |
| final public void lstore_1() { |
| if (DEBUG) System.out.println(position + "\t\tlstore_1"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 3) { |
| maxLocals = 3; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lstore_1; |
| } |
| final public void lstore_2() { |
| if (DEBUG) System.out.println(position + "\t\tlstore_2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 4) { |
| maxLocals = 4; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lstore_2; |
| } |
| final public void lstore_3() { |
| if (DEBUG) System.out.println(position + "\t\tlstore_3"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (maxLocals < 5) { |
| maxLocals = 5; |
| } |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lstore_3; |
| } |
| final public void lsub() { |
| if (DEBUG) System.out.println(position + "\t\tlsub"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lsub; |
| } |
| final public void lushr() { |
| if (DEBUG) System.out.println(position + "\t\tlushr"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lushr; |
| } |
| final public void lxor() { |
| if (DEBUG) System.out.println(position + "\t\tlxor"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_lxor; |
| } |
| final public void monitorenter() { |
| if (DEBUG) System.out.println(position + "\t\tmonitorenter"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_monitorenter; |
| } |
| final public void monitorexit() { |
| if (DEBUG) System.out.println(position + "\t\tmonitorexit"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_monitorexit; |
| } |
| final public void multianewarray(TypeBinding typeBinding, int dimensions) { |
| if (DEBUG) System.out.println(position + "\t\tmultinewarray:"+typeBinding+","+dimensions); //$NON-NLS-1$ //$NON-NLS-2$ |
| countLabels = 0; |
| stackDepth += (1 - dimensions); |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_multianewarray; |
| writeUnsignedShort(constantPool.literalIndexForType(typeBinding.constantPoolName())); |
| bCodeStream[classFileOffset++] = (byte) dimensions; |
| } |
| /** |
| * We didn't call it new, because there is a conflit with the new keyword |
| */ |
| final public void new_(TypeBinding typeBinding) { |
| if (DEBUG) System.out.println(position + "\t\tnew:"+typeBinding.debugName()); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| writeUnsignedShort(constantPool.literalIndexForType(typeBinding.constantPoolName())); |
| } |
| final public void newarray(int array_Type) { |
| if (DEBUG) System.out.println(position + "\t\tnewarray:"+array_Type); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_newarray; |
| bCodeStream[classFileOffset++] = (byte) array_Type; |
| } |
| public void newArray(ArrayBinding arrayBinding) { |
| TypeBinding component = arrayBinding.elementsType(); |
| switch (component.id) { |
| case T_int : |
| this.newarray(INT_ARRAY); |
| break; |
| case T_byte : |
| this.newarray(BYTE_ARRAY); |
| break; |
| case T_boolean : |
| this.newarray(BOOLEAN_ARRAY); |
| break; |
| case T_short : |
| this.newarray(SHORT_ARRAY); |
| break; |
| case T_char : |
| this.newarray(CHAR_ARRAY); |
| break; |
| case T_long : |
| this.newarray(LONG_ARRAY); |
| break; |
| case T_float : |
| this.newarray(FLOAT_ARRAY); |
| break; |
| case T_double : |
| this.newarray(DOUBLE_ARRAY); |
| break; |
| default : |
| this.anewarray(component); |
| } |
| } |
| public void newJavaLangError() { |
| // new: java.lang.Error |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Error"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangErrorConstantPoolName)); |
| } |
| |
| public void newJavaLangAssertionError() { |
| // new: java.lang.AssertionError |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.AssertionError"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangAssertionErrorConstantPoolName)); |
| } |
| public void newJavaLangIllegalArgumentException() { |
| // new: java.lang.IllegalArgumentException |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.IllegalArgumentException"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangIllegalArgumentExceptionConstantPoolName)); |
| } |
| public void newNoClassDefFoundError() { |
| // new: java.lang.NoClassDefFoundError |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.NoClassDefFoundError"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangNoClassDefFoundErrorConstantPoolName)); |
| } |
| public void newStringContatenation() { |
| // new: java.lang.StringBuffer |
| // new: java.lang.StringBuilder |
| if (DEBUG) { |
| if (this.targetLevel >= JDK1_5) { |
| System.out.println(position + "\t\tnew: java.lang.StringBuilder"); //$NON-NLS-1$ |
| } else { |
| System.out.println(position + "\t\tnew: java.lang.StringBuffer"); //$NON-NLS-1$ |
| } |
| } |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) { |
| stackMax = stackDepth; |
| } |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| if (this.targetLevel >= JDK1_5) { |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangStringBuilderConstantPoolName)); |
| } else { |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangStringBufferConstantPoolName)); |
| } |
| } |
| public void newWrapperFor(int typeID) { |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset + 2 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_new; |
| switch (typeID) { |
| case T_int : // new: java.lang.Integer |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Integer"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangIntegerConstantPoolName)); |
| break; |
| case T_boolean : // new: java.lang.Boolean |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Boolean"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangBooleanConstantPoolName)); |
| break; |
| case T_byte : // new: java.lang.Byte |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Byte"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangByteConstantPoolName)); |
| break; |
| case T_char : // new: java.lang.Character |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Character"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangCharacterConstantPoolName)); |
| break; |
| case T_float : // new: java.lang.Float |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Float"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangFloatConstantPoolName)); |
| break; |
| case T_double : // new: java.lang.Double |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Double"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangDoubleConstantPoolName)); |
| break; |
| case T_short : // new: java.lang.Short |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Short"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangShortConstantPoolName)); |
| break; |
| case T_long : // new: java.lang.Long |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Long"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangLongConstantPoolName)); |
| break; |
| case T_void : // new: java.lang.Void |
| if (DEBUG) System.out.println(position + "\t\tnew: java.lang.Void"); //$NON-NLS-1$ |
| writeUnsignedShort(constantPool.literalIndexForType(ConstantPool.JavaLangVoidConstantPoolName)); |
| } |
| } |
| final public void nop() { |
| if (DEBUG) System.out.println(position + "\t\tnop"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_nop; |
| } |
| final public void pop() { |
| if (DEBUG) System.out.println(position + "\t\tpop"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_pop; |
| } |
| final public void pop2() { |
| if (DEBUG) System.out.println(position + "\t\tpop2"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 2; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_pop2; |
| } |
| final public void putfield(FieldBinding fieldBinding) { |
| if (DEBUG) System.out.println(position + "\t\tputfield:"+fieldBinding); //$NON-NLS-1$ |
| int returnTypeSize = 1; |
| if ((fieldBinding.type.id == T_double) || (fieldBinding.type.id == T_long)) { |
| returnTypeSize = 2; |
| } |
| generateFieldAccess( |
| OPC_putfield, |
| returnTypeSize, |
| fieldBinding.declaringClass.constantPoolName(), |
| fieldBinding.name, |
| fieldBinding.type.signature()); |
| } |
| final public void putstatic(FieldBinding fieldBinding) { |
| if (DEBUG) System.out.println(position + "\t\tputstatic:"+fieldBinding); //$NON-NLS-1$ |
| int returnTypeSize = 1; |
| if ((fieldBinding.type.id == T_double) || (fieldBinding.type.id == T_long)) { |
| returnTypeSize = 2; |
| } |
| generateFieldAccess( |
| OPC_putstatic, |
| returnTypeSize, |
| fieldBinding.declaringClass.constantPoolName(), |
| fieldBinding.name, |
| fieldBinding.type.signature()); |
| } |
| public void record(LocalVariableBinding local) { |
| if (!generateLocalVariableTableAttributes) |
| return; |
| if (allLocalsCounter == locals.length) { |
| // resize the collection |
| System.arraycopy(locals, 0, locals = new LocalVariableBinding[allLocalsCounter + LOCALS_INCREMENT], 0, allLocalsCounter); |
| } |
| locals[allLocalsCounter++] = local; |
| local.initializationPCs = new int[4]; |
| local.initializationCount = 0; |
| } |
| public void recordPositionsFrom(int startPC, int sourcePos) { |
| |
| /* Record positions in the table, only if nothing has |
| * already been recorded. Since we output them on the way |
| * up (children first for more specific info) |
| * The pcToSourceMap table is always sorted. |
| */ |
| |
| if (!generateLineNumberAttributes) |
| return; |
| if (sourcePos == 0) |
| return; |
| |
| // no code generated for this node. e.g. field without any initialization |
| if (position == startPC) |
| return; |
| |
| // Widening an existing entry that already has the same source positions |
| if (pcToSourceMapSize + 4 > pcToSourceMap.length) { |
| // resize the array pcToSourceMap |
| System.arraycopy(pcToSourceMap, 0, pcToSourceMap = new int[pcToSourceMapSize << 1], 0, pcToSourceMapSize); |
| } |
| int newLine = ClassFile.searchLineNumber(lineSeparatorPositions, sourcePos); |
| // lastEntryPC represents the endPC of the lastEntry. |
| if (pcToSourceMapSize > 0) { |
| // in this case there is already an entry in the table |
| if (pcToSourceMap[pcToSourceMapSize - 1] != newLine) { |
| if (startPC < lastEntryPC) { |
| // we forgot to add an entry. |
| // search if an existing entry exists for startPC |
| int insertionIndex = insertionIndex(pcToSourceMap, pcToSourceMapSize, startPC); |
| if (insertionIndex != -1) { |
| // there is no existing entry starting with startPC. |
| int existingEntryIndex = indexOfSameLineEntrySincePC(startPC, newLine); // index for PC |
| /* the existingEntryIndex corresponds to en entry with the same line and a PC >= startPC. |
| in this case it is relevant to widen this entry instead of creating a new one. |
| line1: this(a, |
| b, |
| c); |
| with this code we generate each argument. We generate a aload0 to invoke the constructor. There is no entry for this |
| aload0 bytecode. The first entry is the one for the argument a. |
| But we want the constructor call to start at the aload0 pc and not just at the pc of the first argument. |
| So we widen the existing entry (if there is one) or we create a new entry with the startPC. |
| */ |
| if (existingEntryIndex != -1) { |
| // widen existing entry |
| pcToSourceMap[existingEntryIndex] = startPC; |
| } else if (insertionIndex < 1 || pcToSourceMap[insertionIndex - 1] != newLine) { |
| // we have to add an entry that won't be sorted. So we sort the pcToSourceMap. |
| System.arraycopy(pcToSourceMap, insertionIndex, pcToSourceMap, insertionIndex + 2, pcToSourceMapSize - insertionIndex); |
| pcToSourceMap[insertionIndex++] = startPC; |
| pcToSourceMap[insertionIndex] = newLine; |
| pcToSourceMapSize += 2; |
| } |
| } else if (position != lastEntryPC) { // no bytecode since last entry pc |
| pcToSourceMap[pcToSourceMapSize++] = lastEntryPC; |
| pcToSourceMap[pcToSourceMapSize++] = newLine; |
| } |
| } else { |
| // we can safely add the new entry. The endPC of the previous entry is not in conflit with the startPC of the new entry. |
| pcToSourceMap[pcToSourceMapSize++] = startPC; |
| pcToSourceMap[pcToSourceMapSize++] = newLine; |
| } |
| } else { |
| /* the last recorded entry is on the same line. But it could be relevant to widen this entry. |
| we want to extend this entry forward in case we generated some bytecode before the last entry that are not related to any statement |
| */ |
| if (startPC < pcToSourceMap[pcToSourceMapSize - 2]) { |
| int insertionIndex = insertionIndex(pcToSourceMap, pcToSourceMapSize, startPC); |
| if (insertionIndex != -1) { |
| // widen the existing entry |
| // we have to figure out if we need to move the last entry at another location to keep a sorted table |
| /* First we need to check if at the insertion position there is not an existing entry |
| * that includes the one we want to insert. This is the case if pcToSourceMap[insertionIndex - 1] == newLine. |
| * In this case we don't want to change the table. If not, we want to insert a new entry. Prior to insertion |
| * we want to check if it is worth doing an arraycopy. If not we simply update the recorded pc. |
| */ |
| if (!((insertionIndex > 1) && (pcToSourceMap[insertionIndex - 1] == newLine))) { |
| if ((pcToSourceMapSize > 4) && (pcToSourceMap[pcToSourceMapSize - 4] > startPC)) { |
| System.arraycopy(pcToSourceMap, insertionIndex, pcToSourceMap, insertionIndex + 2, pcToSourceMapSize - 2 - insertionIndex); |
| pcToSourceMap[insertionIndex++] = startPC; |
| pcToSourceMap[insertionIndex] = newLine; |
| } else { |
| pcToSourceMap[pcToSourceMapSize - 2] = startPC; |
| } |
| } |
| } |
| } |
| } |
| lastEntryPC = position; |
| } else { |
| // record the first entry |
| pcToSourceMap[pcToSourceMapSize++] = startPC; |
| pcToSourceMap[pcToSourceMapSize++] = newLine; |
| lastEntryPC = position; |
| } |
| } |
| /** |
| * @param anExceptionLabel org.eclipse.jdt.internal.compiler.codegen.ExceptionLabel |
| */ |
| public void registerExceptionHandler(ExceptionLabel anExceptionLabel) { |
| int length; |
| if (exceptionHandlersIndex >= (length = exceptionHandlers.length)) { |
| // resize the exception handlers table |
| System.arraycopy(exceptionHandlers, 0, exceptionHandlers = new ExceptionLabel[length + LABELS_INCREMENT], 0, length); |
| } |
| // no need to resize. So just add the new exception label |
| exceptionHandlers[exceptionHandlersIndex++] = anExceptionLabel; |
| exceptionHandlersCounter++; |
| } |
| public void removeExceptionHandler(ExceptionLabel exceptionLabel) { |
| for (int i = 0; i < exceptionHandlersIndex; i++) { |
| if (exceptionHandlers[i] == exceptionLabel) { |
| exceptionHandlers[i] = null; |
| exceptionHandlersCounter--; |
| return; |
| } |
| } |
| } |
| public final void removeNotDefinitelyAssignedVariables(Scope scope, int initStateIndex) { |
| // given some flow info, make sure we did not loose some variables initialization |
| // if this happens, then we must update their pc entries to reflect it in debug attributes |
| if (!generateLocalVariableTableAttributes) |
| return; |
| /* if (initStateIndex == lastInitStateIndexWhenRemovingInits) |
| return; |
| |
| lastInitStateIndexWhenRemovingInits = initStateIndex; |
| if (lastInitStateIndexWhenAddingInits != initStateIndex){ |
| lastInitStateIndexWhenAddingInits = -2;// reinitialize add index |
| // add(1)-remove(1)-add(1) -> ignore second add |
| // add(1)-remove(2)-add(1) -> perform second add |
| }*/ |
| for (int i = 0; i < visibleLocalsCount; i++) { |
| LocalVariableBinding localBinding = visibleLocals[i]; |
| if (localBinding != null) { |
| if (initStateIndex == -1 || !isDefinitelyAssigned(scope, initStateIndex, localBinding)) { |
| if (localBinding.initializationCount > 0) { |
| localBinding.recordInitializationEndPC(position); |
| } |
| } |
| } |
| } |
| } |
| /** |
| * @param referenceMethod org.eclipse.jdt.internal.compiler.ast.AbstractMethodDeclaration |
| * @param targetClassFile org.eclipse.jdt.internal.compiler.codegen.ClassFile |
| */ |
| public void reset(AbstractMethodDeclaration referenceMethod, ClassFile targetClassFile) { |
| init(targetClassFile); |
| this.methodDeclaration = referenceMethod; |
| preserveUnusedLocals = referenceMethod.scope.problemReporter().options.preserveAllLocalVariables; |
| initializeMaxLocals(referenceMethod.binding); |
| } |
| /** |
| * @param targetClassFile The given classfile to reset the code stream |
| */ |
| public void resetForProblemClinit(ClassFile targetClassFile) { |
| init(targetClassFile); |
| maxLocals = 0; |
| } |
| private final void resizeByteArray() { |
| int length = bCodeStream.length; |
| int requiredSize = length + length; |
| if (classFileOffset > requiredSize) { |
| // must be sure to grow by enough |
| requiredSize = classFileOffset + length; |
| } |
| System.arraycopy(bCodeStream, 0, bCodeStream = new byte[requiredSize], 0, length); |
| } |
| final public void ret(int index) { |
| if (DEBUG) System.out.println(position + "\t\tret:"+index); //$NON-NLS-1$ |
| countLabels = 0; |
| if (index > 255) { // Widen |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_wide; |
| bCodeStream[classFileOffset++] = OPC_ret; |
| writeUnsignedShort(index); |
| } else { // Don't Widen |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = OPC_ret; |
| bCodeStream[classFileOffset++] = (byte) index; |
| } |
| } |
| final public void return_() { |
| if (DEBUG) System.out.println(position + "\t\treturn"); //$NON-NLS-1$ |
| countLabels = 0; |
| // the stackDepth should be equal to 0 |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_return; |
| } |
| final public void saload() { |
| if (DEBUG) System.out.println(position + "\t\tsaload"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_saload; |
| } |
| final public void sastore() { |
| if (DEBUG) System.out.println(position + "\t\tsastore"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth -= 3; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_sastore; |
| } |
| /** |
| * @param operatorConstant int |
| * @param type_ID int |
| */ |
| public void sendOperator(int operatorConstant, int type_ID) { |
| switch (type_ID) { |
| case T_int : |
| case T_boolean : |
| case T_char : |
| case T_byte : |
| case T_short : |
| switch (operatorConstant) { |
| case PLUS : |
| this.iadd(); |
| break; |
| case MINUS : |
| this.isub(); |
| break; |
| case MULTIPLY : |
| this.imul(); |
| break; |
| case DIVIDE : |
| this.idiv(); |
| break; |
| case REMAINDER : |
| this.irem(); |
| break; |
| case LEFT_SHIFT : |
| this.ishl(); |
| break; |
| case RIGHT_SHIFT : |
| this.ishr(); |
| break; |
| case UNSIGNED_RIGHT_SHIFT : |
| this.iushr(); |
| break; |
| case AND : |
| this.iand(); |
| break; |
| case OR : |
| this.ior(); |
| break; |
| case XOR : |
| this.ixor(); |
| break; |
| } |
| break; |
| case T_long : |
| switch (operatorConstant) { |
| case PLUS : |
| this.ladd(); |
| break; |
| case MINUS : |
| this.lsub(); |
| break; |
| case MULTIPLY : |
| this.lmul(); |
| break; |
| case DIVIDE : |
| this.ldiv(); |
| break; |
| case REMAINDER : |
| this.lrem(); |
| break; |
| case LEFT_SHIFT : |
| this.lshl(); |
| break; |
| case RIGHT_SHIFT : |
| this.lshr(); |
| break; |
| case UNSIGNED_RIGHT_SHIFT : |
| this.lushr(); |
| break; |
| case AND : |
| this.land(); |
| break; |
| case OR : |
| this.lor(); |
| break; |
| case XOR : |
| this.lxor(); |
| break; |
| } |
| break; |
| case T_float : |
| switch (operatorConstant) { |
| case PLUS : |
| this.fadd(); |
| break; |
| case MINUS : |
| this.fsub(); |
| break; |
| case MULTIPLY : |
| this.fmul(); |
| break; |
| case DIVIDE : |
| this.fdiv(); |
| break; |
| case REMAINDER : |
| this.frem(); |
| } |
| break; |
| case T_double : |
| switch (operatorConstant) { |
| case PLUS : |
| this.dadd(); |
| break; |
| case MINUS : |
| this.dsub(); |
| break; |
| case MULTIPLY : |
| this.dmul(); |
| break; |
| case DIVIDE : |
| this.ddiv(); |
| break; |
| case REMAINDER : |
| this.drem(); |
| } |
| } |
| } |
| final public void sipush(int s) { |
| if (DEBUG) System.out.println(position + "\t\tsipush:"+s); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth++; |
| if (stackDepth > stackMax) |
| stackMax = stackDepth; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_sipush; |
| writeSignedShort(s); |
| } |
| public static final void sort(int[] tab, int lo0, int hi0, int[] result) { |
| int lo = lo0; |
| int hi = hi0; |
| int mid; |
| if (hi0 > lo0) { |
| /* Arbitrarily establishing partition element as the midpoint of |
| * the array. |
| */ |
| mid = tab[ (lo0 + hi0) / 2]; |
| // loop through the array until indices cross |
| while (lo <= hi) { |
| /* find the first element that is greater than or equal to |
| * the partition element starting from the left Index. |
| */ |
| while ((lo < hi0) && (tab[lo] < mid)) |
| ++lo; |
| /* find an element that is smaller than or equal to |
| * the partition element starting from the right Index. |
| */ |
| while ((hi > lo0) && (tab[hi] > mid)) |
| --hi; |
| // if the indexes have not crossed, swap |
| if (lo <= hi) { |
| swap(tab, lo, hi, result); |
| ++lo; |
| --hi; |
| } |
| } |
| /* If the right index has not reached the left side of array |
| * must now sort the left partition. |
| */ |
| if (lo0 < hi) |
| sort(tab, lo0, hi, result); |
| /* If the left index has not reached the right side of array |
| * must now sort the right partition. |
| */ |
| if (lo < hi0) |
| sort(tab, lo, hi0, result); |
| } |
| } |
| |
| public final void store(LocalVariableBinding localBinding, boolean valueRequired) { |
| int localPosition = localBinding.resolvedPosition; |
| // Using dedicated int bytecode |
| switch(localBinding.type.id) { |
| case TypeIds.T_int : |
| case TypeIds.T_char : |
| case TypeIds.T_byte : |
| case TypeIds.T_short : |
| case TypeIds.T_boolean : |
| if (valueRequired) |
| this.dup(); |
| switch (localPosition) { |
| case 0 : |
| this.istore_0(); |
| break; |
| case 1 : |
| this.istore_1(); |
| break; |
| case 2 : |
| this.istore_2(); |
| break; |
| case 3 : |
| this.istore_3(); |
| break; |
| //case -1 : |
| // internal failure: trying to store into variable not supposed to be generated |
| // break; |
| default : |
| this.istore(localPosition); |
| } |
| break; |
| case TypeIds.T_float : |
| if (valueRequired) |
| this.dup(); |
| switch (localPosition) { |
| case 0 : |
| this.fstore_0(); |
| break; |
| case 1 : |
| this.fstore_1(); |
| break; |
| case 2 : |
| this.fstore_2(); |
| break; |
| case 3 : |
| this.fstore_3(); |
| break; |
| default : |
| this.fstore(localPosition); |
| } |
| break; |
| case TypeIds.T_double : |
| if (valueRequired) |
| this.dup2(); |
| switch (localPosition) { |
| case 0 : |
| this.dstore_0(); |
| break; |
| case 1 : |
| this.dstore_1(); |
| break; |
| case 2 : |
| this.dstore_2(); |
| break; |
| case 3 : |
| this.dstore_3(); |
| break; |
| default : |
| this.dstore(localPosition); |
| } |
| break; |
| case TypeIds.T_long : |
| if (valueRequired) |
| this.dup2(); |
| switch (localPosition) { |
| case 0 : |
| this.lstore_0(); |
| break; |
| case 1 : |
| this.lstore_1(); |
| break; |
| case 2 : |
| this.lstore_2(); |
| break; |
| case 3 : |
| this.lstore_3(); |
| break; |
| default : |
| this.lstore(localPosition); |
| } |
| break; |
| default: |
| // Reference object |
| if (valueRequired) |
| this.dup(); |
| switch (localPosition) { |
| case 0 : |
| this.astore_0(); |
| break; |
| case 1 : |
| this.astore_1(); |
| break; |
| case 2 : |
| this.astore_2(); |
| break; |
| case 3 : |
| this.astore_3(); |
| break; |
| default : |
| this.astore(localPosition); |
| } |
| } |
| } |
| public final void store(TypeBinding type, int localPosition) { |
| // Using dedicated int bytecode |
| if ((type == IntBinding) || (type == CharBinding) || (type == ByteBinding) || (type == ShortBinding) || (type == BooleanBinding)) { |
| switch (localPosition) { |
| case 0 : |
| this.istore_0(); |
| break; |
| case 1 : |
| this.istore_1(); |
| break; |
| case 2 : |
| this.istore_2(); |
| break; |
| case 3 : |
| this.istore_3(); |
| break; |
| default : |
| this.istore(localPosition); |
| } |
| return; |
| } |
| // Using dedicated float bytecode |
| if (type == FloatBinding) { |
| switch (localPosition) { |
| case 0 : |
| this.fstore_0(); |
| break; |
| case 1 : |
| this.fstore_1(); |
| break; |
| case 2 : |
| this.fstore_2(); |
| break; |
| case 3 : |
| this.fstore_3(); |
| break; |
| default : |
| this.fstore(localPosition); |
| } |
| return; |
| } |
| // Using dedicated long bytecode |
| if (type == LongBinding) { |
| switch (localPosition) { |
| case 0 : |
| this.lstore_0(); |
| break; |
| case 1 : |
| this.lstore_1(); |
| break; |
| case 2 : |
| this.lstore_2(); |
| break; |
| case 3 : |
| this.lstore_3(); |
| break; |
| default : |
| this.lstore(localPosition); |
| } |
| return; |
| } |
| // Using dedicated double bytecode |
| if (type == DoubleBinding) { |
| switch (localPosition) { |
| case 0 : |
| this.dstore_0(); |
| break; |
| case 1 : |
| this.dstore_1(); |
| break; |
| case 2 : |
| this.dstore_2(); |
| break; |
| case 3 : |
| this.dstore_3(); |
| break; |
| default : |
| this.dstore(localPosition); |
| } |
| return; |
| } |
| // Reference object |
| switch (localPosition) { |
| case 0 : |
| this.astore_0(); |
| break; |
| case 1 : |
| this.astore_1(); |
| break; |
| case 2 : |
| this.astore_2(); |
| break; |
| case 3 : |
| this.astore_3(); |
| break; |
| default : |
| this.astore(localPosition); |
| } |
| } |
| public final void storeInt(int localPosition) { |
| switch (localPosition) { |
| case 0 : |
| this.istore_0(); |
| break; |
| case 1 : |
| this.istore_1(); |
| break; |
| case 2 : |
| this.istore_2(); |
| break; |
| case 3 : |
| this.istore_3(); |
| break; |
| default : |
| this.istore(localPosition); |
| } |
| } |
| public final void storeObject(int localPosition) { |
| switch (localPosition) { |
| case 0 : |
| this.astore_0(); |
| break; |
| case 1 : |
| this.astore_1(); |
| break; |
| case 2 : |
| this.astore_2(); |
| break; |
| case 3 : |
| this.astore_3(); |
| break; |
| default : |
| this.astore(localPosition); |
| } |
| } |
| final public void swap() { |
| if (DEBUG) System.out.println(position + "\t\tswap"); //$NON-NLS-1$ |
| countLabels = 0; |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_swap; |
| } |
| private static final void swap(int a[], int i, int j, int result[]) { |
| int T; |
| T = a[i]; |
| a[i] = a[j]; |
| a[j] = T; |
| T = result[j]; |
| result[j] = result[i]; |
| result[i] = T; |
| } |
| final public void tableswitch(CaseLabel defaultLabel, int low, int high, int[] keys, int[] sortedIndexes, CaseLabel[] casesLabel) { |
| if (DEBUG) System.out.println(position + "\t\ttableswitch"); //$NON-NLS-1$ |
| countLabels = 0; |
| stackDepth--; |
| int length = casesLabel.length; |
| int pos = position; |
| defaultLabel.placeInstruction(); |
| for (int i = 0; i < length; i++) |
| casesLabel[i].placeInstruction(); |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = OPC_tableswitch; |
| for (int i = (3 - (pos % 4)); i > 0; i--) { |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = 0; |
| } |
| defaultLabel.branch(); |
| writeSignedWord(low); |
| writeSignedWord(high); |
| int i = low, j = low; |
| // the index j is used to know if the index i is one of the missing entries in case of an |
| // optimized tableswitch |
| while (true) { |
| int index; |
| int key = keys[index = sortedIndexes[j - low]]; |
| if (key == i) { |
| casesLabel[index].branch(); |
| j++; |
| if (i == high) break; // if high is maxint, then avoids wrapping to minint. |
| } else { |
| defaultLabel.branch(); |
| } |
| i++; |
| } |
| } |
| public String toString() { |
| StringBuffer buffer = new StringBuffer("( position:"); //$NON-NLS-1$ |
| buffer.append(position); |
| buffer.append(",\nstackDepth:"); //$NON-NLS-1$ |
| buffer.append(stackDepth); |
| buffer.append(",\nmaxStack:"); //$NON-NLS-1$ |
| buffer.append(stackMax); |
| buffer.append(",\nmaxLocals:"); //$NON-NLS-1$ |
| buffer.append(maxLocals); |
| buffer.append(")"); //$NON-NLS-1$ |
| return buffer.toString(); |
| } |
| /** |
| * Note: it will walk the locals table and extend the end range for all matching ones, no matter if |
| * visible or not. |
| * { int i = 0; |
| * { int j = 1; } |
| * } <== would process both 'i' and 'j' |
| * Processing non-visible ones is mandated in some cases (include goto instruction after if-then block) |
| */ |
| public void updateLastRecordedEndPC(Scope scope, int pos) { |
| |
| /* Tune positions in the table, this is due to some |
| * extra bytecodes being |
| * added to some user code (jumps). */ |
| /** OLD CODE |
| if (!generateLineNumberAttributes) |
| return; |
| pcToSourceMap[pcToSourceMapSize - 1][1] = position; |
| // need to update the initialization endPC in case of generation of local variable attributes. |
| updateLocalVariablesAttribute(pos); |
| */ |
| |
| if (!generateLineNumberAttributes) |
| return; |
| this.lastEntryPC = pos; |
| // need to update the initialization endPC in case of generation of local variable attributes. |
| if (this.generateLocalVariableTableAttributes) { |
| for (int i = 0, max = this.locals.length; i < max; i++) { |
| LocalVariableBinding local = this.locals[i]; |
| if (local != null && local.declaringScope == scope && local.initializationCount > 0) { |
| if (local.initializationPCs[((local.initializationCount - 1) << 1) + 1] == pos) { |
| local.initializationPCs[((local.initializationCount - 1) << 1) + 1] = this.position; |
| } |
| } |
| } |
| } |
| } |
| |
| /** |
| * Write a signed 16 bits value into the byte array |
| * @param value the signed short |
| */ |
| public final void writeSignedShort(int value) { |
| // we keep the resize in here because it is used outside the code stream |
| if (classFileOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 2; |
| bCodeStream[classFileOffset++] = (byte) (value >> 8); |
| bCodeStream[classFileOffset++] = (byte) value; |
| } |
| public final void writeSignedShort(int pos, int value) { |
| int currentOffset = startingClassFileOffset + pos; |
| if (currentOffset + 1 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| bCodeStream[currentOffset] = (byte) (value >> 8); |
| bCodeStream[currentOffset + 1] = (byte) value; |
| } |
| public final void writeSignedWord(int value) { |
| // we keep the resize in here because it is used outside the code stream |
| if (classFileOffset + 3 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position += 4; |
| bCodeStream[classFileOffset++] = (byte) ((value & 0xFF000000) >> 24); |
| bCodeStream[classFileOffset++] = (byte) ((value & 0xFF0000) >> 16); |
| bCodeStream[classFileOffset++] = (byte) ((value & 0xFF00) >> 8); |
| bCodeStream[classFileOffset++] = (byte) (value & 0xFF); |
| } |
| public final void writeSignedWord(int pos, int value) { |
| int currentOffset = startingClassFileOffset + pos; |
| if (currentOffset + 4 >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| bCodeStream[currentOffset++] = (byte) ((value & 0xFF000000) >> 24); |
| bCodeStream[currentOffset++] = (byte) ((value & 0xFF0000) >> 16); |
| bCodeStream[currentOffset++] = (byte) ((value & 0xFF00) >> 8); |
| bCodeStream[currentOffset++] = (byte) (value & 0xFF); |
| } |
| /** |
| * Write a unsigned 16 bits value into the byte array |
| * @param value the unsigned short |
| */ |
| protected final void writeUnsignedShort(int value) { |
| position += 2; |
| bCodeStream[classFileOffset++] = (byte) (value >>> 8); |
| bCodeStream[classFileOffset++] = (byte) value; |
| } |
| /* |
| * Wide conditional branch compare, improved by swapping comparison opcode |
| * ifeq WideTarget |
| * becomes |
| * ifne Intermediate |
| * gotow WideTarget |
| * Intermediate: |
| */ |
| public void generateWideRevertedConditionalBranch(byte revertedOpcode, Label wideTarget) { |
| Label intermediate = new Label(this); |
| if (classFileOffset >= bCodeStream.length) { |
| resizeByteArray(); |
| } |
| position++; |
| bCodeStream[classFileOffset++] = revertedOpcode; |
| intermediate.branch(); |
| this.goto_w(wideTarget); |
| intermediate.place(); |
| } |
| } |
