/*
* 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.ocaml;
import com.facebook.buck.rules.SourcePathResolver;
import com.facebook.buck.rules.Tool;
import com.facebook.buck.shell.ShellStep;
import com.facebook.buck.step.ExecutionContext;
import com.google.common.collect.ImmutableList;
import java.nio.file.Path;
/** A yacc step which processes .mly files and outputs .ml and mli files */
public class OcamlYaccStep extends ShellStep {
private final SourcePathResolver resolver;
public static class Args {
public final Tool yaccCompiler;
public final Path output;
public final Path input;
public Args(Tool yaccCompiler, Path output, Path input) {
this.yaccCompiler = yaccCompiler;
this.output = output;
this.input = input;
}
}
private final Args args;
public OcamlYaccStep(Path workingDirectory, SourcePathResolver resolver, Args args) {
super(workingDirectory);
this.resolver = resolver;
this.args = args;
}
@Override
public String getShortName() {
return "OCaml yacc";
}
@Override
protected ImmutableList<String> getShellCommandInternal(ExecutionContext context) {
return ImmutableList.<String>builder()
.addAll(args.yaccCompiler.getCommandPrefix(resolver))
.add("-b", OcamlUtil.stripExtension(args.output.toString()))
.add(args.input.toString())
.build();
}
}