/*
* Copyright 2015-present Facebook, 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.facebook.buck.cxx;
import com.facebook.buck.rules.SourcePath;
import com.facebook.buck.rules.SourcePathResolver;
import com.facebook.buck.rules.Tool;
import com.google.common.base.Function;
import com.google.common.collect.Iterables;
import java.nio.file.Path;
public class WindowsPreprocessor extends AbstractPreprocessor {
private static Function<String, String> prependIncludeFlag = "/I"::concat;
public WindowsPreprocessor(Tool tool) {
super(tool);
}
@Override
public boolean supportsHeaderMaps() {
return false;
}
@Override
public boolean supportsPrecompiledHeaders() {
// TODO(steveo) Should be easy to add support; will try @ later time,
// when I can test w/ Windows.
// https://msdn.microsoft.com/en-us/library/z0atkd6c.aspx
return false;
}
@Override
public Iterable<String> localIncludeArgs(Iterable<String> includeRoots) {
return Iterables.transform(includeRoots, prependIncludeFlag);
}
@Override
public Iterable<String> systemIncludeArgs(Iterable<String> includeRoots) {
return Iterables.transform(includeRoots, prependIncludeFlag);
}
@Override
public Iterable<String> quoteIncludeArgs(Iterable<String> includeRoots) {
return Iterables.transform(includeRoots, prependIncludeFlag);
}
@Override
public Iterable<String> prefixHeaderArgs(SourcePathResolver resolver, SourcePath prefixHeader) {
throw new UnsupportedOperationException("prefix header not supported by " + getClass());
// TODO(steveo) Should be easy to add support; will try @ later time,
// when I can test w/ Windows.
// "Forced Include": https://msdn.microsoft.com/en-us/library/8c5ztk84.aspx
// Space is allowed between flag and its pathname argument.
// E.g. something like this (space allowed between flag and its argument):
// return ImmutableList.of("/FI", resolver.getAbsolutePath(prefixHeader).toString());
}
@Override
public Iterable<String> precompiledHeaderArgs(Path pchOutputPath) {
throw new UnsupportedOperationException("precompiled header not supported by " + getClass());
// TODO(steveo) Should be easy to add support; will try @ later time,
// when I can test w/ Windows.
// https://msdn.microsoft.com/en-us/library/z0atkd6c.aspx
// E.g. something like this flag (no space between "/Yu" and its argument):
// return ImmutableList.of("/Yu" + pchOutputPath);
}
}