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204
eo-maven-plugin/src/main/java/org/eolang/maven/ShakeMojo.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,204 @@ | ||
| /* | ||
| * The MIT License (MIT) | ||
| * | ||
| * Copyright (c) 2016-2023 Objectionary.com | ||
| * | ||
| * Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| * of this software and associated documentation files (the "Software"), to deal | ||
| * in the Software without restriction, including without limitation the rights | ||
| * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| * copies of the Software, and to permit persons to whom the Software is | ||
| * furnished to do so, subject to the following conditions: | ||
| * | ||
| * The above copyright notice and this permission notice shall be included | ||
| * in all copies or substantial portions of the Software. | ||
| * | ||
| * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL THE | ||
| * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| * SOFTWARE. | ||
| */ | ||
| package org.eolang.maven; | ||
|
|
||
| import com.jcabi.log.Logger; | ||
| import com.jcabi.xml.XML; | ||
| import com.jcabi.xml.XMLDocument; | ||
| import java.io.IOException; | ||
| import java.nio.file.Path; | ||
| import java.util.Collection; | ||
| import org.apache.maven.plugins.annotations.LifecyclePhase; | ||
| import org.apache.maven.plugins.annotations.Mojo; | ||
| import org.apache.maven.plugins.annotations.Parameter; | ||
| import org.cactoos.Scalar; | ||
| import org.cactoos.experimental.Threads; | ||
| import org.cactoos.iterable.Filtered; | ||
| import org.cactoos.iterable.Mapped; | ||
| import org.cactoos.number.SumOf; | ||
| import org.eolang.maven.optimization.OptCached; | ||
| import org.eolang.maven.optimization.OptSpy; | ||
| import org.eolang.maven.optimization.OptTrain; | ||
| import org.eolang.maven.optimization.Optimization; | ||
| import org.eolang.maven.tojos.ForeignTojo; | ||
| import org.eolang.maven.util.HmBase; | ||
| import org.eolang.maven.util.Rel; | ||
|
|
||
| /** | ||
| * Shake (prepare) XML files after optimizations for translation to java. | ||
| * | ||
| * @since 0.33.0 | ||
| * @todo #2577:30min Resolve code duplication between {@link OptimizeMojo} and {@link ShakeMojo}. | ||
| * ShakeMojo was created in order to split two optimization stages: optimizations themselves and | ||
| * preparations for translation to java. Now these two mojo look almost the same and there's a lot | ||
| * of code duplication. So it's needed to resolve that. Don't forget to remove the puzzle | ||
| * @todo #2577:30min Add tests for ShakeMojo. ShakeMojo was created in order to split two | ||
| * optimization stages: optimizations themselves and preparations for translation to java | ||
| * Need to create tests for {@link ShakeMojo} in order to be sure that it does only it's job. | ||
| */ | ||
| @Mojo( | ||
| name = "shake", | ||
| defaultPhase = LifecyclePhase.PROCESS_SOURCES, | ||
| threadSafe = true | ||
| ) | ||
| public final class ShakeMojo extends SafeMojo { | ||
| /** | ||
| * The directory where to shake to. | ||
| */ | ||
| public static final String DIR = "3-shake"; | ||
|
|
||
| /** | ||
| * Subdirectory for shaken cache. | ||
| */ | ||
| static final String SHAKEN = "shaken"; | ||
|
|
||
| /** | ||
| * The directory where to place intermediary files. | ||
| */ | ||
| static final String STEPS = "3-shake-steps"; | ||
|
|
||
| /** | ||
| * Track optimization steps into intermediate XML files? | ||
| * | ||
| * @checkstyle MemberNameCheck (7 lines) | ||
| * @since 0.24.0 | ||
| */ | ||
| @SuppressWarnings("PMD.LongVariable") | ||
| @Parameter(property = "eo.trackOptimizationSteps", required = true, defaultValue = "false") | ||
| private boolean trackOptimizationSteps; | ||
|
|
||
| @Override | ||
| void exec() throws IOException { | ||
| final Collection<ForeignTojo> tojos = this.scopedTojos().withOptimized(); | ||
| final Optimization opt = this.optimization(); | ||
| final int total = new SumOf( | ||
| new Threads<>( | ||
| Runtime.getRuntime().availableProcessors(), | ||
| new Mapped<>( | ||
| tojo -> this.task(tojo, opt), | ||
| new Filtered<>( | ||
| ForeignTojo::notShaken, | ||
| tojos | ||
| ) | ||
| ) | ||
| ) | ||
| ).intValue(); | ||
| if (total > 0) { | ||
| Logger.info( | ||
| this, | ||
| "Shaken %d out of %d XMIR program(s)", total, | ||
| tojos.size() | ||
| ); | ||
| } else { | ||
| Logger.debug(this, "No XMIR programs out of %d shaken", tojos.size()); | ||
| } | ||
| } | ||
|
|
||
| /** | ||
| * Converts tojo to optimization task. | ||
| * | ||
| * @param tojo Tojo that should be optimized. | ||
| * @param common Optimization. | ||
| * @return Optimization task. | ||
| */ | ||
| private Scalar<Integer> task( | ||
| final ForeignTojo tojo, | ||
| final Optimization common | ||
| ) { | ||
| final Path src = tojo.optimized(); | ||
| Logger.debug( | ||
| this, "Adding optimization task for %s", | ||
| src | ||
| ); | ||
| return () -> { | ||
| tojo.withShaken( | ||
| this.make( | ||
| this.optimization(tojo, common).apply(new XMLDocument(src)), | ||
| src | ||
| ).toAbsolutePath() | ||
| ); | ||
| return 1; | ||
| }; | ||
| } | ||
|
|
||
| /** | ||
| * Shake optimizations for tojos. | ||
| * @return Shake optimizations | ||
| */ | ||
| private Optimization optimization() { | ||
| final Optimization opt; | ||
| if (this.trackOptimizationSteps) { | ||
| opt = new OptSpy(this.targetDir.toPath().resolve(ShakeMojo.STEPS)); | ||
| } else { | ||
| opt = new OptTrain(); | ||
| } | ||
| return opt; | ||
| } | ||
|
|
||
| /** | ||
| * Optimization for specific tojo. | ||
| * | ||
| * @param tojo Tojo | ||
| * @param common Optimization | ||
| * @return Optimization for specific Tojo | ||
| */ | ||
| private Optimization optimization(final ForeignTojo tojo, final Optimization common) { | ||
| final Optimization res; | ||
| if (tojo.hasHash()) { | ||
| res = new OptCached( | ||
| common, | ||
| this.cache.resolve(ShakeMojo.SHAKEN).resolve(tojo.hash()) | ||
| ); | ||
| } else { | ||
| res = common; | ||
| } | ||
| return res; | ||
| } | ||
|
|
||
| /** | ||
| * Make a path with optimized XML file after parsing. | ||
| * | ||
| * @param xml Optimized xml | ||
| * @param file EO file | ||
| * @return The file with optimized XMIR | ||
| * @throws IOException If fails | ||
| */ | ||
| private Path make(final XML xml, final Path file) throws IOException { | ||
| final String name = new XMLDocument(file).xpath("/program/@name").get(0); | ||
| final Place place = new Place(name); | ||
| final Path dir = this.targetDir.toPath(); | ||
| final Path target = place.make( | ||
| dir.resolve(ShakeMojo.DIR), TranspileMojo.EXT | ||
| ); | ||
| new HmBase(dir).save( | ||
| xml.toString(), | ||
| dir.relativize(target) | ||
| ); | ||
| Logger.debug( | ||
| this, "Optimized %s (program:%s) to %s", | ||
| new Rel(file), name, new Rel(target) | ||
| ); | ||
| return target; | ||
| } | ||
| } |
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