X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=src%2Forg%2Feclipse%2Fjdt%2Finternal%2Fcompiler%2Fclassfmt%2FMethodInfo.java;fp=src%2Forg%2Feclipse%2Fjdt%2Finternal%2Fcompiler%2Fclassfmt%2FMethodInfo.java;h=0000000000000000000000000000000000000000;hb=6f0cd02d46e011bd5599e1b7fefc6159cb811135;hp=c9255bed4ceef353114df0f8e11688de168c66c9;hpb=622d0e5a4b1b35b6918a516a79a0cc22272a919e;p=org.ibex.tool.git diff --git a/src/org/eclipse/jdt/internal/compiler/classfmt/MethodInfo.java b/src/org/eclipse/jdt/internal/compiler/classfmt/MethodInfo.java deleted file mode 100644 index c9255be..0000000 --- a/src/org/eclipse/jdt/internal/compiler/classfmt/MethodInfo.java +++ /dev/null @@ -1,236 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2000, 2004 IBM Corporation and others. - * All rights reserved. This program and the accompanying materials - * are made available under the terms of the Common Public License v1.0 - * which accompanies this distribution, and is available at - * http://www.eclipse.org/legal/cpl-v10.html - * - * Contributors: - * IBM Corporation - initial API and implementation - *******************************************************************************/ -package org.eclipse.jdt.internal.compiler.classfmt; - -import org.eclipse.jdt.core.compiler.CharOperation; -import org.eclipse.jdt.internal.compiler.codegen.AttributeNamesConstants; -import org.eclipse.jdt.internal.compiler.env.IBinaryMethod; - -public class MethodInfo extends ClassFileStruct implements IBinaryMethod, AttributeNamesConstants, Comparable { - private char[][] exceptionNames; - private int[] constantPoolOffsets; - private boolean isDeprecated; - private boolean isSynthetic; - private int accessFlags; - private char[] name; - private char[] signature; - private int attributeBytes; - static private final char[][] noException = CharOperation.NO_CHAR_CHAR; -/** - * @param classFileBytes byte[] - * @param offsets int[] - * @param offset int - */ -public MethodInfo (byte classFileBytes[], int offsets[], int offset) { - super(classFileBytes, offset); - constantPoolOffsets = offsets; - accessFlags = -1; - int attributesCount = u2At(6); - int readOffset = 8; - for (int i = 0; i < attributesCount; i++) { - readOffset += (6 + u4At(readOffset + 2)); - } - attributeBytes = readOffset; -} -/** - * @see org.eclipse.jdt.internal.compiler.env.IGenericMethod#getArgumentNames() - */ -public char[][] getArgumentNames() { - return null; -} -/** - * Answer the resolved names of the exception types in the - * class file format as specified in section 4.2 of the Java 2 VM spec - * or null if the array is empty. - * - * For example, java.lang.String is java/lang/String. - * @return char[][] - */ -public char[][] getExceptionTypeNames() { - if (exceptionNames == null) { - readExceptionAttributes(); - } - return exceptionNames; -} -/** - * Answer the receiver's method descriptor which describes the parameter & - * return types as specified in section 4.3.3 of the Java 2 VM spec. - * - * For example: - * - int foo(String) is (Ljava/lang/String;)I - * - void foo(Object[]) is (I)[Ljava/lang/Object; - * @return char[] - */ -public char[] getMethodDescriptor() { - if (signature == null) { - // read the name - int utf8Offset = constantPoolOffsets[u2At(4)] - structOffset; - signature = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); - } - return signature; -} -/** - * Answer an int whose bits are set according the access constants - * defined by the VM spec. - * Set the AccDeprecated and AccSynthetic bits if necessary - * @return int - */ -public int getModifiers() { - if (accessFlags == -1) { - // compute the accessflag. Don't forget the deprecated attribute - accessFlags = u2At(0); - readDeprecatedAndSyntheticAttributes(); - if (isDeprecated) { - accessFlags |= AccDeprecated; - } - if (isSynthetic) { - accessFlags |= AccSynthetic; - } - } - return accessFlags; -} -/** - * Answer the name of the method. - * - * For a constructor, answer & for a clinit method. - * @return char[] - */ -public char[] getSelector() { - if (name == null) { - // read the name - int utf8Offset = constantPoolOffsets[u2At(2)] - structOffset; - name = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); - } - return name; -} -/** - * Answer true if the method is a class initializer, false otherwise. - * @return boolean - */ -public boolean isClinit() { - char[] selector = getSelector(); - return selector[0] == '<' && selector.length == 8; // Can only match -} -/** - * Answer true if the method is a constructor, false otherwise. - * @return boolean - */ -public boolean isConstructor() { - char[] selector = getSelector(); - return selector[0] == '<' && selector.length == 6; // Can only match -} -/** - * Return true if the field is a synthetic method, false otherwise. - * @return boolean - */ -public boolean isSynthetic() { - return (getModifiers() & AccSynthetic) != 0; -} -private void readDeprecatedAndSyntheticAttributes() { - int attributesCount = u2At(6); - int readOffset = 8; - for (int i = 0; i < attributesCount; i++) { - int utf8Offset = constantPoolOffsets[u2At(readOffset)] - structOffset; - char[] attributeName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); - if (CharOperation.equals(attributeName, DeprecatedName)) { - isDeprecated = true; - } else if (CharOperation.equals(attributeName, SyntheticName)) { - isSynthetic = true; - } - readOffset += (6 + u4At(readOffset + 2)); - } -} -private void readExceptionAttributes() { - int attributesCount = u2At(6); - int readOffset = 8; - for (int i = 0; i < attributesCount; i++) { - int utf8Offset = constantPoolOffsets[u2At(readOffset)] - structOffset; - char[] attributeName = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); - if (CharOperation.equals(attributeName, ExceptionsName)) { - // read the number of exception entries - int entriesNumber = u2At(readOffset + 6); - // place the readOffset at the beginning of the exceptions table - readOffset += 8; - if (entriesNumber == 0) { - exceptionNames = noException; - } else { - exceptionNames = new char[entriesNumber][]; - for (int j = 0; j < entriesNumber; j++) { - utf8Offset = - constantPoolOffsets[u2At( - constantPoolOffsets[u2At(readOffset)] - structOffset + 1)] - - structOffset; - exceptionNames[j] = utf8At(utf8Offset + 3, u2At(utf8Offset + 1)); - readOffset += 2; - } - } - } else { - readOffset += (6 + u4At(readOffset + 2)); - } - } - if (exceptionNames == null) { - exceptionNames = noException; - } -} -/** - * Answer the size of the receiver in bytes. - * - * @return int - */ -public int sizeInBytes() { - return attributeBytes; -} -public String toString() { - int modifiers = getModifiers(); - StringBuffer buffer = new StringBuffer(this.getClass().getName()); - return buffer - .append("{") //$NON-NLS-1$ - .append( - ((modifiers & AccDeprecated) != 0 ? "deprecated " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0001) == 1 ? "public " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0002) == 0x0002 ? "private " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0004) == 0x0004 ? "protected " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0008) == 0x000008 ? "static " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0010) == 0x0010 ? "final " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0040) == 0x0040 ? "volatile " : "") //$NON-NLS-1$ //$NON-NLS-2$ - + ((modifiers & 0x0080) == 0x0080 ? "transient " : "")) //$NON-NLS-1$ //$NON-NLS-2$ - .append(getSelector()) - .append(getMethodDescriptor()) - .append("}") //$NON-NLS-1$ - .toString(); -} -public int compareTo(Object o) { - if (!(o instanceof MethodInfo)) { - throw new ClassCastException(); - } - - MethodInfo otherMethod = (MethodInfo) o; - int result = new String(this.getSelector()).compareTo(new String(otherMethod.getSelector())); - if (result != 0) return result; - return new String(this.getMethodDescriptor()).compareTo(new String(otherMethod.getMethodDescriptor())); -} - -/** - * This method is used to fully initialize the contents of the receiver. All methodinfos, fields infos - * will be therefore fully initialized and we can get rid of the bytes. - */ -void initialize() { - getModifiers(); - getSelector(); - getMethodDescriptor(); - getExceptionTypeNames(); - reset(); -} -protected void reset() { - this.constantPoolOffsets = null; - super.reset(); -} -}