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/*******************************************************************************
* Copyright (c) 2004, 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 org.eclipse.swt.tools.internal;
import java.lang.reflect.Modifier;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jdt.core.dom.Javadoc;
import org.eclipse.jdt.core.dom.MethodDeclaration;
import org.eclipse.jdt.core.dom.SingleVariableDeclaration;
import org.eclipse.jdt.core.dom.TagElement;
public class ASTMethod extends ASTItem implements JNIMethod {
String name, qualifiedName;
int modifiers;
ASTClass declaringClass;
ASTType[] paramTypes, paramTypes64;
ASTType returnType, returnType64;
ASTParameter[] params;
Boolean unique;
String data;
public ASTMethod(ASTClass declaringClass, String source, MethodDeclaration method) {
this.declaringClass = declaringClass;
name = method.getName().getIdentifier();
modifiers = method.getModifiers();
Javadoc doc = method.getJavadoc();
List tags = null;
if (doc != null) {
tags = doc.tags();
for (Iterator iterator = tags.iterator(); iterator.hasNext();) {
TagElement tag = (TagElement) iterator.next();
if ("@method".equals(tag.getTagName())) {
String data = tag.fragments().get(0).toString();
setMetaData(data);
break;
}
}
}
returnType = new ASTType(declaringClass.resolver, method.getReturnType2(), method.getExtraDimensions());
returnType64 = returnType;
if (GEN64) {
String s = source.substring(method.getReturnType2().getStartPosition(), method.getName().getStartPosition());
if (returnType.isType("int") && s.indexOf("int /*long*/") != -1) returnType64 = new ASTType("J");
else if (returnType.isType("float") && s.indexOf("float /*double*/") != -1) returnType64 = new ASTType("D");
else if (returnType.isType("[I") && (s.indexOf("int /*long*/") != -1 || s.indexOf("int[] /*long[]*/") != -1)) returnType64 = new ASTType("[J");
else if (returnType.isType("[F") && (s.indexOf("float /*double*/") != -1|| s.indexOf("float[] /*double[]*/") != -1)) returnType64 = new ASTType("[D");
else if (returnType.isType("long") && s.indexOf("long /*int*/") != -1) returnType = new ASTType("I");
else if (returnType.isType("double") && s.indexOf("double /*float*/") != -1) returnType = new ASTType("F");
else if (returnType.isType("[J") && (s.indexOf("long /*int*/") != -1|| s.indexOf("long[] /*int[]*/") != -1)) returnType = new ASTType("[I");
else if (returnType.isType("[D") && (s.indexOf("double /*float*/") != -1|| s.indexOf("double[] /*float[]*/") != -1)) returnType = new ASTType("[F");
}
List parameters = method.parameters();
paramTypes = new ASTType[parameters.size()];
paramTypes64 = new ASTType[parameters.size()];
params = new ASTParameter[paramTypes.length];
int i = 0;
for (Iterator iterator = parameters.iterator(); iterator.hasNext(); i++) {
SingleVariableDeclaration param = (SingleVariableDeclaration) iterator.next();
paramTypes[i] = new ASTType(declaringClass.resolver, param.getType(), param.getExtraDimensions());
paramTypes64[i] = paramTypes[i];
params[i] = new ASTParameter(this, i);
if (GEN64) {
String s = source.substring(param.getStartPosition(), param.getStartPosition() + param.getLength());
if (paramTypes[i].isType("int") && s.indexOf("int /*long*/") != -1) paramTypes64[i] = new ASTType("J");
else if (paramTypes[i].isType("float") && s.indexOf("float /*double*/") != -1) paramTypes64[i] = new ASTType("D");
else if (paramTypes[i].isType("[I") && (s.indexOf("int /*long*/") != -1 || s.indexOf("int[] /*long[]*/") != -1)) paramTypes64[i] = new ASTType("[J");
else if (paramTypes[i].isType("[F") && (s.indexOf("float /*double*/") != -1|| s.indexOf("float[] /*double[]*/") != -1)) paramTypes64[i] = new ASTType("[D");
else if (paramTypes[i].isType("long") && s.indexOf("long /*int*/") != -1) paramTypes[i] = new ASTType("I");
else if (paramTypes[i].isType("double") && s.indexOf("double /*float*/") != -1) paramTypes[i] = new ASTType("F");
else if (paramTypes[i].isType("[J") && (s.indexOf("long /*int*/") != -1|| s.indexOf("long[] /*int[]*/") != -1)) paramTypes[i] = new ASTType("[I");
else if (paramTypes[i].isType("[D") && (s.indexOf("double /*float*/") != -1|| s.indexOf("double[] /*float[]*/") != -1)) paramTypes[i] = new ASTType("[F");
}
if (tags != null) {
String name = param.getName().getIdentifier();
for (Iterator iterator1 = tags.iterator(); iterator1.hasNext();) {
TagElement tag = (TagElement) iterator1.next();
if ("@param".equals(tag.getTagName())) {
List fragments = tag.fragments();
if (name.equals(fragments.get(0).toString())) {
String data = fragments.get(1).toString();
params[i].setMetaData(data);
}
}
}
}
}
}
public JNIClass getDeclaringClass() {
return declaringClass;
}
public int getModifiers() {
return modifiers;
}
public String getName() {
return name;
}
public boolean isNativeUnique() {
if (unique != null) return unique.booleanValue();
boolean result = true;
String name = getName();
JNIMethod[] methods = declaringClass.getDeclaredMethods();
for (int i = 0; i < methods.length; i++) {
JNIMethod mth = methods[i];
if ((mth.getModifiers() & Modifier.NATIVE) != 0 &&
this != mth && !this.equals(mth) &&
name.equals(mth.getName()))
{
result = false;
break;
}
}
unique = new Boolean(result);
return result;
}
public JNIType[] getParameterTypes() {
return paramTypes;
}
public JNIType[] getParameterTypes64() {
return paramTypes64;
}
public JNIParameter[] getParameters() {
return params;
}
public JNIType getReturnType() {
return returnType;
}
public JNIType getReturnType64() {
return returnType64;
}
public String getAccessor() {
return (String)getParam("accessor");
}
public String getExclude() {
return (String)getParam("exclude");
}
public String getMetaData() {
if (data != null) return data;
String className = getDeclaringClass().getSimpleName();
String key = className + "_" + JNIGenerator.getFunctionName(this);
MetaData metaData = declaringClass.metaData;
String value = metaData.getMetaData(key, null);
if (value == null) {
key = className + "_" + getName();
value = metaData.getMetaData(key, null);
}
/*
* Support for lock.
*/
if (value == null && getName().startsWith("_")) {
key = className + "_" + JNIGenerator.getFunctionName(this).substring(2);
value = metaData.getMetaData(key, null);
if (value == null) {
key = className + "_" + getName().substring(1);
value = metaData.getMetaData(key, null);
}
}
if (value == null) value = "";
return value;
}
public void setAccessor(String str) {
setParam("accessor", str);
}
public void setExclude(String str) {
setParam("exclude", str);
}
public void setMetaData(String value) {
data = value;
}
public String toString() {
return getName();
}
}
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