| /* |
| * Copyright 2014-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.shell.ShellStep; |
| import com.facebook.buck.step.CompositeStep; |
| import com.facebook.buck.step.ExecutionContext; |
| import com.facebook.buck.step.fs.FindAndReplaceStep; |
| import com.facebook.buck.step.fs.MoveStep; |
| import com.google.common.collect.ImmutableList; |
| |
| import java.nio.file.Path; |
| import java.nio.file.Paths; |
| |
| public class YaccStep extends CompositeStep { |
| |
| public YaccStep( |
| final Path yacc, |
| final ImmutableList<String> flags, |
| final Path outputPrefix, |
| final Path input) { |
| |
| super(ImmutableList.of( |
| new ShellStep() { |
| @Override |
| protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) { |
| return ImmutableList.<String>builder() |
| .add(yacc.toString()) |
| .addAll(flags) |
| .add("-d") |
| .add("-b", outputPrefix.toString()) |
| .add(input.toString()) |
| .build(); |
| } |
| @Override |
| public String getShortName() { |
| return "yacc command"; |
| } |
| }, |
| new FindAndReplaceStep( |
| getIntermediateSourceOutputPath(outputPrefix), |
| getSourceOutputPath(outputPrefix), |
| getIntermediateSourceOutputPath(outputPrefix).toString(), |
| getSourceOutputPath(outputPrefix).toString()), |
| new MoveStep( |
| getIntermediateHeaderOutputPath(outputPrefix), |
| getHeaderOutputPath(outputPrefix)))); |
| } |
| |
| public static Path getHeaderOutputPath(Path outputPrefix) { |
| return Paths.get(outputPrefix + ".yy.h"); |
| } |
| |
| public static Path getSourceOutputPath(Path outputPrefix) { |
| return Paths.get(outputPrefix + ".yy.cc"); |
| } |
| |
| private static Path getIntermediateSourceOutputPath(Path outputPrefix) { |
| return Paths.get(outputPrefix + ".tab.c"); |
| } |
| |
| private static Path getIntermediateHeaderOutputPath(Path outputPrefix) { |
| return Paths.get(outputPrefix + ".tab.h"); |
| } |
| |
| @Override |
| public String getShortName() { |
| return "yacc"; |
| } |
| |
| } |