| /******************************************************************************* |
| * 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 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.core.dom; |
| |
| import java.util.ArrayList; |
| import java.util.HashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| /** |
| * Primitive type nodes. |
| * <pre> |
| * PrimitiveType: |
| * <b>byte</b> |
| * <b>short</b> |
| * <b>char</b> |
| * <b>int</b> |
| * <b>long</b> |
| * <b>float</b> |
| * <b>double</b> |
| * <b>boolean</b> |
| * <b>void</b> |
| * </pre> |
| * <p> |
| * Note that due to the fact that AST nodes belong to a specific AST and |
| * have a specific parent, there needs to multiple instances of these |
| * nodes. |
| * </p> |
| * |
| * @since 2.0 |
| */ |
| public class PrimitiveType extends Type { |
| |
| /** |
| * Primitive type codes (typesafe enumeration). |
| * <pre> |
| * <b>byte</b> BYTE |
| * <b>short</b> SHORT |
| * <b>char</b> CHAR |
| * <b>int</b> INT |
| * <b>long</b> LONG |
| * <b>float</b> FLOAT |
| * <b>double</b> DOUBLE |
| * <b>boolean</b> BOOLEAN |
| * <b>void</b> VOID |
| * </pre> |
| */ |
| public static class Code { |
| |
| /** |
| * The name of the type. |
| */ |
| private String name; |
| |
| /** |
| * Creates a new primitive type code with the given name. |
| * <p> |
| * Note: this constructor is package-private. The only instances |
| * ever created are the ones for the standard primitive types. |
| * </p> |
| * |
| * @param name the standard name of the primitive type |
| */ |
| Code(String name) { |
| this.name = name; |
| } |
| |
| /** |
| * Returns the standard name of the primitive type. |
| * |
| * @return the standard name of the primitive type |
| */ |
| public String toString() { |
| return name; |
| } |
| } |
| |
| /** Type code for the primitive type "int". */ |
| public static final Code INT = new Code("int");//$NON-NLS-1$ |
| /** Type code for the primitive type "char". */ |
| public static final Code CHAR = new Code("char");//$NON-NLS-1$ |
| /** Type code for the primitive type "boolean". */ |
| public static final Code BOOLEAN = new Code("boolean");//$NON-NLS-1$ |
| /** Type code for the primitive type "short". */ |
| public static final Code SHORT = new Code("short");//$NON-NLS-1$ |
| /** Type code for the primitive type "long". */ |
| public static final Code LONG = new Code("long");//$NON-NLS-1$ |
| /** Type code for the primitive type "float". */ |
| public static final Code FLOAT = new Code("float");//$NON-NLS-1$ |
| /** Type code for the primitive type "double". */ |
| public static final Code DOUBLE = new Code("double");//$NON-NLS-1$ |
| /** Type code for the primitive type "byte". */ |
| public static final Code BYTE = new Code("byte");//$NON-NLS-1$ |
| |
| /** Type code for the primitive type "void". Note that "void" is |
| * special in that its only legitimate uses are as a method return |
| * type and as a type literal. |
| */ |
| public static final Code VOID = new Code("void");//$NON-NLS-1$ |
| |
| /** |
| * The primitive type code; one of the PrimitiveType constants; default |
| * is int. |
| */ |
| private PrimitiveType.Code typeCode = INT; |
| |
| /** |
| * Map from token to primitive type code (key type: <code>String</code>; |
| * value type: <code>PrimitiveType.Code</code>). |
| */ |
| private static final Map CODES; |
| static { |
| CODES = new HashMap(20); |
| Code[] ops = { |
| INT, |
| BYTE, |
| CHAR, |
| BOOLEAN, |
| SHORT, |
| LONG, |
| FLOAT, |
| DOUBLE, |
| VOID, |
| }; |
| for (int i = 0; i < ops.length; i++) { |
| CODES.put(ops[i].toString(), ops[i]); |
| } |
| } |
| |
| /** |
| * Returns the primitive type code corresponding to the given string, |
| * or <code>null</code> if none. |
| * <p> |
| * <code>toCode</code> is the converse of <code>toString</code>: |
| * that is, |
| * <code>PrimitiveType.Code.toCode(code.toString()) == code</code> |
| * for all type code <code>code</code>. |
| * </p> |
| * |
| * @param token the standard name of the primitive type |
| * @return the primitive type code, or <code>null</code> if none |
| */ |
| public static PrimitiveType.Code toCode(String token) { |
| return (PrimitiveType.Code) CODES.get(token); |
| } |
| |
| /** |
| * The "primitiveTypeCode" structural property of this node type. |
| * @since 3.0 |
| */ |
| public static final SimplePropertyDescriptor PRIMITIVE_TYPE_CODE_PROPERTY = |
| new SimplePropertyDescriptor(PrimitiveType.class, "primitiveTypeCode", PrimitiveType.Code.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(PrimitiveType.class, propertyList); |
| addProperty(PRIMITIVE_TYPE_CODE_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; |
| } |
| |
| /** |
| * Creates a new unparented node for a primitive type owned by the given |
| * AST. By default, the node has type "int". |
| * <p> |
| * N.B. This constructor is package-private. |
| * </p> |
| * |
| * @param ast the AST that is to own this node |
| */ |
| PrimitiveType(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 == PRIMITIVE_TYPE_CODE_PROPERTY) { |
| if (get) { |
| return getPrimitiveTypeCode(); |
| } else { |
| setPrimitiveTypeCode((Code) 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 PRIMITIVE_TYPE; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| ASTNode clone0(AST target) { |
| PrimitiveType result = new PrimitiveType(target); |
| result.setSourceRange(this.getStartPosition(), this.getLength()); |
| result.setPrimitiveTypeCode(getPrimitiveTypeCode()); |
| 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 primitive type code. |
| * |
| * @return one of the primitive type code constants declared in this |
| * class |
| */ |
| public PrimitiveType.Code getPrimitiveTypeCode() { |
| return this.typeCode; |
| } |
| |
| /** |
| * Sets the primitive type code. |
| * |
| * @param typeCode one of the primitive type code constants declared in |
| * this class |
| * @exception IllegalArgumentException if the argument is incorrect |
| */ |
| public void setPrimitiveTypeCode(PrimitiveType.Code typeCode) { |
| if (typeCode == null) { |
| throw new IllegalArgumentException(); |
| } |
| preValueChange(PRIMITIVE_TYPE_CODE_PROPERTY); |
| this.typeCode = typeCode; |
| postValueChange(PRIMITIVE_TYPE_CODE_PROPERTY); |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int memSize() { |
| // treat Code as free |
| return BASE_NODE_SIZE + 1 * 4; |
| } |
| |
| /* (omit javadoc for this method) |
| * Method declared on ASTNode. |
| */ |
| int treeSize() { |
| return memSize(); |
| } |
| } |