/*
* 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.google.devtools.j2objc.ast;
import com.google.common.base.Preconditions;
import com.google.devtools.j2objc.util.TypeUtil;
import javax.lang.model.type.TypeMirror;
/**
* Number literal node type.
*/
public class NumberLiteral extends Expression {
private String token = null;
private final TypeMirror typeMirror;
public NumberLiteral(NumberLiteral other) {
super(other);
token = other.getToken();
typeMirror = other.getTypeMirror();
}
public NumberLiteral(Number value, TypeUtil typeUtil) {
this(value, typeForNumber(value, typeUtil));
}
public NumberLiteral(Number value, TypeMirror typeMirror) {
this.constantValue = value;
this.typeMirror = typeMirror;
}
public static NumberLiteral newIntLiteral(Integer i, TypeUtil typeUtil) {
return new NumberLiteral(i, typeUtil);
}
@Override
public Kind getKind() {
return Kind.NUMBER_LITERAL;
}
@Override
public TypeMirror getTypeMirror() {
return typeMirror;
}
public String getToken() {
return token;
}
public NumberLiteral setToken(String token) {
this.token = token;
return this;
}
public Number getValue() {
return (Number) constantValue;
}
public NumberLiteral setValue(Number newValue) {
constantValue = newValue;
return this;
}
@Override
public NumberLiteral setConstantValue(Object value) {
assert value == null || value instanceof Number;
return (NumberLiteral) super.setConstantValue(value);
}
@Override
protected void acceptInner(TreeVisitor visitor) {
visitor.visit(this);
visitor.endVisit(this);
}
@Override
public NumberLiteral copy() {
return new NumberLiteral(this);
}
@Override
public void validateInner() {
super.validateInner();
Preconditions.checkNotNull(constantValue);
}
private static TypeMirror typeForNumber(Number value, TypeUtil typeUtil) {
if (value instanceof Byte) {
return typeUtil.getByte();
} else if (value instanceof Short) {
return typeUtil.getShort();
} else if (value instanceof Integer) {
return typeUtil.getInt();
} else if (value instanceof Long) {
return typeUtil.getLong();
} else if (value instanceof Float) {
return typeUtil.getFloat();
} else if (value instanceof Double) {
return typeUtil.getDouble();
} else {
throw new AssertionError("Invalid number literal type: " + value.getClass().getName());
}
}
}