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/*
* Copyright 2000-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/*
* @author max
*/
package com.intellij.psi.impl.java.stubs.impl;
import com.intellij.psi.PsiMethod;
import com.intellij.psi.impl.cache.TypeInfo;
import com.intellij.psi.impl.java.stubs.JavaStubElementTypes;
import com.intellij.psi.impl.java.stubs.PsiMethodStub;
import com.intellij.psi.impl.java.stubs.PsiParameterListStub;
import com.intellij.psi.impl.java.stubs.PsiParameterStub;
import com.intellij.psi.stubs.StubBase;
import com.intellij.psi.stubs.StubElement;
import com.intellij.util.io.StringRef;
import org.jetbrains.annotations.NotNull;
import java.util.List;
public class PsiMethodStubImpl extends StubBase<PsiMethod> implements PsiMethodStub {
private TypeInfo myReturnType;
private final byte myFlags;
private final StringRef myName;
private StringRef myDefaultValueText;
private static final int CONSTRUCTOR = 0x01;
private static final int VARARGS = 0x02;
private static final int ANNOTATION = 0x04;
private static final int DEPRECATED = 0x08;
private static final int DEPRECATED_ANNOTATION = 0x10;
public PsiMethodStubImpl(StubElement parent, StringRef name, byte flags, StringRef defaultValueText) {
super(parent, isAnnotationMethod(flags) ? JavaStubElementTypes.ANNOTATION_METHOD : JavaStubElementTypes.METHOD);
myFlags = flags;
myName = name;
myDefaultValueText = defaultValueText;
}
public PsiMethodStubImpl(StubElement parent, StringRef name, TypeInfo returnType, byte flags, StringRef defaultValueText) {
super(parent, isAnnotationMethod(flags) ? JavaStubElementTypes.ANNOTATION_METHOD : JavaStubElementTypes.METHOD);
myReturnType = returnType;
myFlags = flags;
myName = name;
myDefaultValueText = defaultValueText;
}
public void setReturnType(TypeInfo returnType) {
myReturnType = returnType;
}
@Override
public boolean isConstructor() {
return (myFlags & CONSTRUCTOR) != 0;
}
@Override
public boolean isVarArgs() {
return (myFlags & VARARGS) != 0;
}
@Override
public boolean isAnnotationMethod() {
return isAnnotationMethod(myFlags);
}
public static boolean isAnnotationMethod(final byte flags) {
return (flags & ANNOTATION) != 0;
}
@Override
public String getDefaultValueText() {
return StringRef.toString(myDefaultValueText);
}
@Override
@NotNull
public TypeInfo getReturnTypeText(boolean doResolve) {
return doResolve ? myReturnType.applyAnnotations(this) : myReturnType;
}
@Override
public boolean isDeprecated() {
return (myFlags & DEPRECATED) != 0;
}
@Override
public boolean hasDeprecatedAnnotation() {
return (myFlags & DEPRECATED_ANNOTATION) != 0;
}
@Override
public PsiParameterStub findParameter(final int idx) {
PsiParameterListStub list = null;
for (StubElement child : getChildrenStubs()) {
if (child instanceof PsiParameterListStub) {
list = (PsiParameterListStub)child;
break;
}
}
if (list != null) {
final List<StubElement> params = list.getChildrenStubs();
return (PsiParameterStub)params.get(idx);
}
throw new RuntimeException("No parameter(s) [yet?]");
}
@Override
public String getName() {
return StringRef.toString(myName);
}
public byte getFlags() {
return myFlags;
}
public void setDefaultValueText(final String defaultValueText) {
myDefaultValueText = StringRef.fromString(defaultValueText);
}
public static byte packFlags(boolean isConstructor,
boolean isAnnotationMethod,
boolean isVarargs,
boolean isDeprecated,
boolean hasDeprecatedAnnotation) {
byte flags = 0;
if (isConstructor) flags |= CONSTRUCTOR;
if (isAnnotationMethod) flags |= ANNOTATION;
if (isVarargs) flags |= VARARGS;
if (isDeprecated) flags |= DEPRECATED;
if (hasDeprecatedAnnotation) flags |= DEPRECATED_ANNOTATION;
return flags;
}
@SuppressWarnings({"HardCodedStringLiteral"})
public String toString() {
StringBuilder builder = new StringBuilder();
builder.append("PsiMethodStub[");
if (isConstructor()) {
builder.append("cons ");
}
if (isAnnotationMethod()) {
builder.append("annotation ");
}
if (isVarArgs()) {
builder.append("varargs ");
}
if (isDeprecated() || hasDeprecatedAnnotation()) {
builder.append("deprecated ");
}
builder.append(myName).append(":").append(myReturnType);
String defaultValue = getDefaultValueText();
if (defaultValue != null) {
builder.append(" default=").append(defaultValue);
}
builder.append("]");
return builder.toString();
}
}
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