Package org.gradle.language.assembler.tasks

Source Code of org.gradle.language.assembler.tasks.Assemble

/*
* Copyright 2014 the original author or authors.
*
* 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 org.gradle.language.assembler.tasks;

import org.codehaus.groovy.runtime.DefaultGroovyMethods;
import org.gradle.api.DefaultTask;
import org.gradle.api.Incubating;
import org.gradle.api.file.FileCollection;
import org.gradle.api.tasks.*;
import org.gradle.language.base.internal.tasks.SimpleStaleClassCleaner;
import org.gradle.language.assembler.internal.DefaultAssembleSpec;
import org.gradle.nativeplatform.platform.NativePlatform;
import org.gradle.nativeplatform.platform.internal.NativePlatformInternal;
import org.gradle.nativeplatform.toolchain.NativeToolChain;
import org.gradle.nativeplatform.toolchain.internal.NativeToolChainInternal;

import javax.inject.Inject;
import java.io.File;
import java.util.List;

/**
* Translates Assembly language source files into object files.
*/
@Incubating
public class Assemble extends DefaultTask {
    private FileCollection source;
    private NativeToolChainInternal toolChain;
    private NativePlatformInternal targetPlatform;
    private File objectFileDir;
    private List<String> assemblerArgs;

    @Inject
    public Assemble() {
        source = getProject().files();
    }

    @TaskAction
    public void assemble() {
        SimpleStaleClassCleaner cleaner = new SimpleStaleClassCleaner(getOutputs());
        cleaner.setDestinationDir(getObjectFileDir());
        cleaner.execute();

        DefaultAssembleSpec spec = new DefaultAssembleSpec();
        spec.setTempDir(getTemporaryDir());

        spec.setObjectFileDir(getObjectFileDir());
        spec.source(getSource());
        spec.args(getAssemblerArgs());

        WorkResult result = toolChain.select(targetPlatform).newCompiler(spec).execute(spec);
        setDidWork(result.getDidWork());
    }


    @InputFiles @SkipWhenEmpty
    public FileCollection getSource() {
        return source;
    }

    /**
     * Adds a set of assembler sources files to be translated. The provided sourceFiles object is evaluated as per {@link org.gradle.api.Project#files(Object...)}.
     */
    public void source(Object sourceFiles) {
        DefaultGroovyMethods.invokeMethod(source, "from", new Object[]{sourceFiles});
    }

    /**
     * Additional arguments to provide to the assembler.
     */
    @Input
    public List<String> getAssemblerArgs() {
        return assemblerArgs;
    }

    public void setAssemblerArgs(List<String> assemblerArgs) {
        this.assemblerArgs = assemblerArgs;
    }


    @Input
    public String getOutputType() {
        return toolChain.getOutputType() + ":" + targetPlatform.getCompatibilityString();
    }

    /**
     * The tool chain being used to build.
     */
    public NativeToolChain getToolChain() {
        return toolChain;
    }

    public void setToolChain(NativeToolChain toolChain) {
        this.toolChain = (NativeToolChainInternal) toolChain;
    }

    /**
     * The platform being targeted.
     */
    public NativePlatform getTargetPlatform() {
        return targetPlatform;
    }

    public void setTargetPlatform(NativePlatform targetPlatform) {
        this.targetPlatform = (NativePlatformInternal) targetPlatform;
    }

    /**
     * The directory where object files will be generated.
     */
    @OutputDirectory
    public File getObjectFileDir() {
        return objectFileDir;
    }

    public void setObjectFileDir(File objectFileDir) {
        this.objectFileDir = objectFileDir;
    }
}
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