com.google.api.generator.engine.ast.PrimitiveValue Maven / Gradle / Ivy
// Copyright 2020 Google LLC
//
// 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.api.generator.engine.ast;
import com.google.api.generator.engine.lexicon.Literal;
import com.google.auto.value.AutoValue;
@AutoValue
public abstract class PrimitiveValue implements Value {
@Override
public abstract TypeNode type();
@Override
public abstract String value();
public static Builder builder() {
return new AutoValue_PrimitiveValue.Builder();
}
@AutoValue.Builder
public abstract static class Builder {
public abstract Builder setType(TypeNode type);
public abstract Builder setValue(String value);
abstract PrimitiveValue autoBuild();
public PrimitiveValue build() throws TypeMismatchException {
// TODO(unsupported): byte, short, char, array initialization.
PrimitiveValue primitiveValue = autoBuild();
TypeNode type = primitiveValue.type();
String value = primitiveValue.value();
if (!typeMatchesValue(type, value)) {
throw new TypeMismatchException(
String.format("Type %s does not match value %s", type.typeKind(), value));
}
return primitiveValue;
}
private static boolean typeMatchesValue(TypeNode type, String value) {
switch (type.typeKind()) {
case INT:
return Literal.isIntegerLiteral(value);
case LONG:
return Literal.isLongLiteral(value);
case FLOAT:
return Literal.isFloatLiteral(value);
case DOUBLE:
return Literal.isDoubleLiteral(value);
case BOOLEAN:
return Literal.isBooleanLiteral(value);
case OBJECT: // Fall through.
case BYTE: // Fall through.
case CHAR: // Fall through.
case SHORT: // Fall through.
default:
}
return false;
}
}
}