+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2008 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 net.sourceforge.phpdt.core.dom;
-
-import java.util.ArrayList;
-import java.util.List;
-
-import net.sourceforge.phpdt.core.compiler.InvalidInputException;
-import net.sourceforge.phpdt.internal.compiler.parser.Scanner;
-import net.sourceforge.phpdt.internal.compiler.parser.TerminalTokens;
-
-/**
- * Number literal nodes.
- *
- * @since 2.0
- * @noinstantiate This class is not intended to be instantiated by clients.
- */
-public class NumberLiteral extends Expression {
-
- /**
- * The "token" structural property of this node type.
- * @since 3.0
- */
- public static final SimplePropertyDescriptor TOKEN_PROPERTY =
- new SimplePropertyDescriptor(NumberLiteral.class, "token", String.class, MANDATORY); //$NON-NLS-1$
-
- /**
- * A list of property descriptors (element type:
- * {@link StructuralPropertyDescriptor}),
- * or null if uninitialized.
- */
- private static final List PROPERTY_DESCRIPTORS;
-
- static {
- List propertyList = new ArrayList(2);
- createPropertyList(NumberLiteral.class, propertyList);
- addProperty(TOKEN_PROPERTY, propertyList);
- PROPERTY_DESCRIPTORS = reapPropertyList(propertyList);
- }
-
- /**
- * Returns a list of structural property descriptors for this node type.
- * Clients must not modify the result.
- *
- * @param apiLevel the API level; one of the
- * <code>AST.JLS*</code> constants
-
- * @return a list of property descriptors (element type:
- * {@link StructuralPropertyDescriptor})
- * @since 3.0
- */
- public static List propertyDescriptors(int apiLevel) {
- return PROPERTY_DESCRIPTORS;
- }
-
- /**
- * The token string; defaults to the integer literal "0".
- */
- private String tokenValue = "0";//$NON-NLS-1$
-
- /**
- * Creates a new unparented number literal node owned by the given AST.
- * By default, the number literal is the token "<code>0</code>".
- * <p>
- * N.B. This constructor is package-private.
- * </p>
- *
- * @param ast the AST that is to own this node
- */
- NumberLiteral(AST ast) {
- super(ast);
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- final List internalStructuralPropertiesForType(int apiLevel) {
- return propertyDescriptors(apiLevel);
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- final Object internalGetSetObjectProperty(SimplePropertyDescriptor property, boolean get, Object value) {
- if (property == TOKEN_PROPERTY) {
- if (get) {
- return getToken();
- } else {
- setToken((String) value);
- return null;
- }
- }
- // allow default implementation to flag the error
- return super.internalGetSetObjectProperty(property, get, value);
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- final int getNodeType0() {
- return NUMBER_LITERAL;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- ASTNode clone0(AST target) {
- NumberLiteral result = new NumberLiteral(target);
- result.setSourceRange(this.getStartPosition(), this.getLength());
- result.setToken(getToken());
- return result;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
- // dispatch to correct overloaded match method
- return matcher.match(this, other);
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- void accept0(ASTVisitor visitor) {
- visitor.visit(this);
- visitor.endVisit(this);
- }
-
- /**
- * Returns the token of this number literal node. The value is the sequence
- * of characters that would appear in the source program.
- *
- * @return the numeric literal token
- */
- public String getToken() {
- return this.tokenValue;
- }
-
- /**
- * Sets the token of this number literal node. The value is the sequence
- * of characters that would appear in the source program.
- *
- * @param token the numeric literal token
- * @exception IllegalArgumentException if the argument is incorrect
- */
- public void setToken(String token) {
- // update internalSetToken(String) if this is changed
- if (token == null || token.length() == 0) {
- throw new IllegalArgumentException();
- }
- Scanner scanner = this.ast.scanner;
- char[] source = token.toCharArray();
- scanner.setSource(source);
- scanner.resetTo(0, source.length);
- scanner.tokenizeComments = false;
- scanner.tokenizeWhiteSpace = false;
- try {
- int tokenType = scanner.getNextToken();
- switch(tokenType) {
- case TerminalTokens.TokenNameDoubleLiteral:
- case TerminalTokens.TokenNameIntegerLiteral:
- case TerminalTokens.TokenNameFloatingPointLiteral:
- case TerminalTokens.TokenNameLongLiteral:
- break;
- case TerminalTokens.TokenNameMINUS :
- tokenType = scanner.getNextToken();
- switch(tokenType) {
- case TerminalTokens.TokenNameDoubleLiteral:
- case TerminalTokens.TokenNameIntegerLiteral:
- case TerminalTokens.TokenNameFloatingPointLiteral:
- case TerminalTokens.TokenNameLongLiteral:
- break;
- default:
- throw new IllegalArgumentException("Invalid number literal : >" + token + "<"); //$NON-NLS-1$//$NON-NLS-2$
- }
- break;
- default:
- throw new IllegalArgumentException("Invalid number literal : >" + token + "<");//$NON-NLS-1$//$NON-NLS-2$
- }
- } catch(InvalidInputException e) {
- throw new IllegalArgumentException();
- } finally {
- scanner.tokenizeComments = true;
- scanner.tokenizeWhiteSpace = true;
- }
- preValueChange(TOKEN_PROPERTY);
- this.tokenValue = token;
- postValueChange(TOKEN_PROPERTY);
- }
-
- /* (omit javadoc for this method)
- * This method is a copy of setToken(String) that doesn't do any validation.
- */
- void internalSetToken(String token) {
- preValueChange(TOKEN_PROPERTY);
- this.tokenValue = token;
- postValueChange(TOKEN_PROPERTY);
- }
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- int memSize() {
- int size = BASE_NODE_SIZE + 1 * 4 + stringSize(tokenValue);
- return size;
- }
-
- /* (omit javadoc for this method)
- * Method declared on ASTNode.
- */
- int treeSize() {
- return memSize();
- }
-}
git://git.phpeclipse.com / phpeclipse.git / blobdiff