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/*
* Copyright 2000-2014 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.
*/
package com.intellij.xdebugger.impl.breakpoints;
import com.intellij.lang.Language;
import com.intellij.xdebugger.XExpression;
import com.intellij.xdebugger.evaluation.EvaluationMode;
import org.jetbrains.annotations.Contract;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author egor
*/
public class XExpressionImpl implements XExpression {
public static final XExpression EMPTY_EXPRESSION = fromText("", EvaluationMode.EXPRESSION);
public static final XExpression EMPTY_CODE_FRAGMENT = fromText("", EvaluationMode.CODE_FRAGMENT);
@NotNull private final String myExpression;
private final Language myLanguage;
private final String myCustomInfo;
private final EvaluationMode myMode;
public XExpressionImpl(@NotNull String expression, Language language, String customInfo) {
this(expression, language, customInfo, EvaluationMode.EXPRESSION);
}
public XExpressionImpl(@NotNull String expression, Language language, String customInfo, EvaluationMode mode) {
myExpression = expression;
myLanguage = language;
myCustomInfo = customInfo;
myMode = mode;
}
@NotNull
@Override
public String getExpression() {
return myExpression;
}
@Override
public Language getLanguage() {
return myLanguage;
}
@Override
public String getCustomInfo() {
return myCustomInfo;
}
@Override
public EvaluationMode getMode() {
return myMode;
}
@Contract("null -> null; !null -> !null")
public static XExpressionImpl fromText(@Nullable String text) {
return text != null ? new XExpressionImpl(text, null, null, EvaluationMode.EXPRESSION) : null;
}
@Contract("null, _ -> null; !null, _ -> !null")
public static XExpressionImpl fromText(@Nullable String text, EvaluationMode mode) {
return text != null ? new XExpressionImpl(text, null, null, mode) : null;
}
public static XExpressionImpl changeMode(XExpression expression, EvaluationMode mode) {
return new XExpressionImpl(expression.getExpression(), expression.getLanguage(), expression.getCustomInfo(), mode);
}
@Override
public String toString() {
return myExpression;
}
@Override
public boolean equals(Object o) {
if (this == o) return true;
if (o == null || getClass() != o.getClass()) return false;
XExpressionImpl that = (XExpressionImpl)o;
if (myCustomInfo != null ? !myCustomInfo.equals(that.myCustomInfo) : that.myCustomInfo != null) return false;
if (!myExpression.equals(that.myExpression)) return false;
if (myLanguage != null ? !myLanguage.equals(that.myLanguage) : that.myLanguage != null) return false;
if (myMode != that.myMode) return false;
return true;
}
@Override
public int hashCode() {
int result = myExpression.hashCode();
result = 31 * result + (myLanguage != null ? myLanguage.hashCode() : 0);
result = 31 * result + (myCustomInfo != null ? myCustomInfo.hashCode() : 0);
result = 31 * result + (myMode != null ? myMode.hashCode() : 0);
return result;
}
}
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