/*
* Copyright 2008 Google Inc.
*
* 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.gwt.jsio.rebind;
import com.google.gwt.core.ext.TreeLogger;
import com.google.gwt.core.ext.UnableToCompleteException;
import com.google.gwt.core.ext.typeinfo.JPrimitiveType;
import com.google.gwt.core.ext.typeinfo.JType;
import com.google.gwt.core.ext.typeinfo.TypeOracle;
import com.google.gwt.user.rebind.SourceWriter;
/**
* Encapsulates accessors for primitive properties.
*/
class PrimitiveFragmentGenerator extends FragmentGenerator {
@Override
boolean accepts(TypeOracle oracle, JType type) {
return type.isPrimitive() != null;
}
@Override
String defaultValue(TypeOracle oracle, JType type) {
JPrimitiveType returnType = type.isPrimitive();
if (returnType.equals(JPrimitiveType.BOOLEAN)) {
return "false";
} else if (returnType.equals(JPrimitiveType.CHAR)) {
return "32";
} else {
return "0";
}
}
@Override
void fromJS(FragmentGeneratorContext context)
throws UnableToCompleteException {
context.parentLogger.branch(TreeLogger.DEBUG,
"Building primitive value getter statement", null);
SourceWriter sw = context.sw;
sw.print(context.parameterName);
}
@Override
boolean isIdentity() {
return true;
}
@Override
void toJS(FragmentGeneratorContext context) throws UnableToCompleteException {
context.parentLogger.branch(TreeLogger.DEBUG,
"Building primitive value setter statement", null);
SourceWriter sw = context.sw;
sw.print(context.parameterName);
}
@Override
void writeExtractorJSNIReference(FragmentGeneratorContext context)
throws UnableToCompleteException {
context.parentLogger.branch(TreeLogger.ERROR,
"Primitives should never need extraction", null);
throw new UnableToCompleteException();
}
}