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// Copyright 2018 The Bazel Authors. All rights reserved.
//
// 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.build.lib.analysis.skylark;
import static com.google.devtools.build.lib.packages.BuildType.LABEL;
import static com.google.devtools.build.lib.packages.BuildType.LABEL_LIST;
import static com.google.devtools.build.lib.syntax.Type.BOOLEAN;
import static com.google.devtools.build.lib.syntax.Type.INTEGER;
import static com.google.devtools.build.lib.syntax.Type.STRING;
import static com.google.devtools.build.lib.syntax.Type.STRING_LIST;
import com.google.devtools.build.lib.skylarkbuildapi.SkylarkConfigApi;
import com.google.devtools.build.lib.skylarkinterface.SkylarkPrinter;
import com.google.devtools.build.lib.syntax.Type;
/**
* Skylark namespace for creating build setting descriptors.
*/
public class SkylarkConfig implements SkylarkConfigApi {
@Override
public BuildSettingDescriptor intSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, INTEGER);
}
@Override
public BuildSettingDescriptor boolSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, BOOLEAN);
}
@Override
public BuildSettingDescriptor stringSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, STRING);
}
@Override
public BuildSettingDescriptor stringListSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, STRING_LIST);
}
@Override
public BuildSettingDescriptor labelSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, LABEL);
}
@Override
public BuildSettingDescriptor labelListSetting(Boolean flag) {
return new BuildSettingDescriptor(flag, LABEL_LIST);
}
@Override
public void repr(SkylarkPrinter printer) {
printer.append("<config>");
}
/**
* An object that describes what time of build setting a skylark rule is (if any type).
*/
public static final class BuildSettingDescriptor implements SkylarkConfigApi.BuildSettingApi {
private boolean isFlag;
private Type<?> type;
BuildSettingDescriptor(boolean isFlag, Type<?> type) {
this.isFlag = isFlag;
this.type = type;
}
public Type<?> getType() {
return type;
}
@Override
public void repr(SkylarkPrinter printer) {
printer.append("<build_setting." + type.toString() + ">");
}
}
}
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