feat(#3639): xmir to phi

eo-maven-plugin/src/main/java/org/eolang/maven/PhiMojo.java

@@ -26,16 +26,9 @@
 import com.jcabi.log.Logger;
 import com.jcabi.xml.XML;
 import com.jcabi.xml.XMLDocument;
-import com.yegor256.xsline.Shift;
-import com.yegor256.xsline.StClasspath;
-import com.yegor256.xsline.TrDefault;
-import com.yegor256.xsline.TrJoined;
-import com.yegor256.xsline.Train;
-import com.yegor256.xsline.Xsline;
 import java.io.File;
 import java.nio.file.Path;
 import java.nio.file.Paths;
-import java.util.List;
 import java.util.concurrent.atomic.AtomicInteger;
 import org.apache.maven.plugins.annotations.LifecyclePhase;
 import org.apache.maven.plugins.annotations.Mojo;
@@ -44,8 +37,7 @@
 import org.eolang.maven.footprint.Saved;
 import org.eolang.maven.util.Threaded;
 import org.eolang.maven.util.Walk;
-import org.eolang.parser.StUnhex;
-import org.eolang.parser.TrParsing;
+import org.eolang.parser.Xmir;
 
 /**
  * Read XMIR files and translate them to the phi-calculus expression.
@@ -62,16 +54,6 @@ public final class PhiMojo extends SafeMojo {
      */
     public static final String EXT = "phi";
 
-    /**
-     * Train of mandatory transformations.
-     */
-    private static final Train<Shift> TRANSFORMATIONS = new TrDefault<>(
-        new StClasspath("/org/eolang/maven/phi/incorrect-inners.xsl"),
-        new StUnhex(),
-        new StClasspath("/org/eolang/maven/phi/wrap-default-package.xsl"),
-        new StClasspath("/org/eolang/maven/phi/to-phi.xsl")
-    );
-
     /**
      * The directory where to take xmir files for translation from.
      * @checkstyle MemberNameCheck (10 lines)
@@ -95,26 +77,23 @@ public final class PhiMojo extends SafeMojo {
     private File phiOutputDir;
 
     /**
-     * Pass XMIR to Optimizations train or not.
-     * This flag is used for test in order not to optimize XMIR twice:
-     * in {@link OptimizeMojo} and here.
-     * @checkstyle MemberNameCheck (5 lines)
+     * Convert to PHI without syntax sugar.
+     * @checkstyle MemberNameCheck (10 lines)
      */
-    @Parameter(property = "eo.phiOptimize", required = true, defaultValue = "true")
+    @Parameter(property = "eo.phiNoSugar", required = true, defaultValue = "false")
     @SuppressWarnings("PMD.ImmutableField")
-    private boolean phiOptimize = true;
+    private boolean phiNoSugar;
 
     @Override
     public void exec() {
         final AtomicInteger passed = new AtomicInteger();
         final Walk walk = new Walk(this.phiInputDir.toPath());
         final int total = walk.size();
-        final Xsline xsline = new Xsline(this.train());
         final int count = new Threaded<>(
             walk,
             xmir -> {
                 final int position = passed.addAndGet(1);
-                return this.translate(xmir, xsline, position, total);
+                return this.translate(xmir, position, total);
             }
         ).total();
         if (count > 0) {
@@ -133,31 +112,30 @@ public void exec() {
     /**
      * Translate one XMIR file to .phi file.
      * @param xmir The XMIR file
-     * @param xsline Chain of XSL transformations
      * @param position Its position in the entire pack
      * @param total How many files are there
      * @return How many files translated (either 1 or 0)
      * @throws Exception If fails
      * @checkstyle ParameterNumberCheck (5 lines)
      */
-    private int translate(final Path xmir, final Xsline xsline, final int position, final int total)
+    private int translate(final Path xmir, final int position, final int total)
         throws Exception {
         final long start = System.currentTimeMillis();
         Logger.debug(
             this,
             "Processing XMIR (#%d/%d): %[file]s (%[size]s)...",
             position, total, xmir, xmir.toFile().length()
         );
-        final XML xml = new XMLDocument(new TextOf(xmir).asString());
         final Path relative = Paths.get(
             this.phiInputDir.toPath().relativize(xmir).toString().replace(
                 String.format(".%s", AssembleMojo.XMIR),
                 String.format(".%s", PhiMojo.EXT)
             )
         );
         final Path target = this.phiOutputDir.toPath().resolve(relative);
+        final XML xml = new XMLDocument(new TextOf(xmir).asString());
         try {
-            new Saved(PhiMojo.translated(xsline, xml), target).value();
+            new Saved(this.translated(xml), target).value();
             Logger.info(
                 this,
                 "Translated to phi (#%d/%d): %[file]s (%[size]s) -> %[file]s (%[size]s) in %[ms]s",
@@ -176,38 +154,28 @@ private int translate(final Path xmir, final Xsline xsline, final int position,
         return 1;
     }
 
-    /**
-     * Build transformations train depends on flags.
-     * @return Transformations train
-     */
-    private Train<Shift> train() {
-        final Train<Shift> train;
-        if (this.phiOptimize) {
-            train = new TrParsing();
-        } else {
-            train = new TrDefault<>();
-        }
-        return this.measured(new TrJoined<>(train, PhiMojo.TRANSFORMATIONS));
-    }
-
     /**
      * Translate given xmir to phi calculus expression.
-     * @param xsline Chain of XSL optimizations and transformations
-     * @param xmir Text of xmir
+     * @param xml Text of xmir
      * @return Translated xmir
      * @throws ImpossibleToPhiTranslationException If fails to translate given XMIR to phi
      */
-    private static String translated(final Xsline xsline, final XML xmir)
-        throws ImpossibleToPhiTranslationException {
-        final XML translated = xsline.pass(xmir);
-        Logger.debug(PhiMojo.class, "XML after translation to phi:\n%s", translated);
-        final List<String> phi = translated.xpath("program/phi/text()");
-        if (phi.isEmpty()) {
+    private String translated(final XML xml) throws ImpossibleToPhiTranslationException {
+        final Xmir xmir = new Xmir(xml);
+        final String phi;
+        try {
+            if (this.phiNoSugar) {
+                phi = xmir.toPhiNoSugar();
+            } else {
+                phi = xmir.toPhi();
+            }
+        } catch (final IndexOutOfBoundsException exception) {
             throw new ImpossibleToPhiTranslationException(
-                "Xpath 'phi/text()' is not found in the translated XMIR"
+                String.format("Xpath 'phi/text()' is not found in the translated XMIR: \n%s", xmir),
+                exception
             );
         }
-        return phi.get(0);
+        return phi;
     }
 
     /**
@@ -217,10 +185,11 @@ private static String translated(final Xsline xsline, final XML xmir)
     private static class ImpossibleToPhiTranslationException extends Exception {
         /**
          * Ctor.
-         * @param cause Cause of the exception.
+         * @param message Exception message
+         * @param cause Previous exception
          */
-        ImpossibleToPhiTranslationException(final String cause) {
-            super(cause);
+        ImpossibleToPhiTranslationException(final String message, final Exception cause) {
+            super(message, cause);
         }
     }
 }

eo-maven-plugin/src/main/java/org/eolang/maven/PrintMojo.java

@@ -96,7 +96,7 @@ void exec() throws IOException {
                 final XML xml = new XMLDocument(new TextOf(source).asString());
                 final String program;
                 if (this.printReversed) {
-                    program = new Xmir(xml).toReversed();
+                    program = new Xmir(xml).toReversedEO();
                 } else {
                     program = new Xmir(xml).toEO();
                 }

eo-maven-plugin/src/test/java/org/eolang/maven/FakeMaven.java

@@ -243,7 +243,7 @@ public <T extends AbstractMojo> FakeMaven execute(final Class<T> mojo) throws IO
             this.params.putIfAbsent("objectionaries", new Objectionaries.Fake());
             this.params.putIfAbsent("rewriteBinaries", true);
             this.params.putIfAbsent("offline", false);
-            this.params.putIfAbsent("phiOptimize", false);
+            this.params.putIfAbsent("phiNoSugar", false);
             this.params.putIfAbsent("phiSkipFailed", false);
             this.params.putIfAbsent(
                 "eoPortalDir",

eo-maven-plugin/src/test/java/org/eolang/maven/PhiMojoTest.java

@@ -28,14 +28,10 @@
 import com.yegor256.MktmpResolver;
 import com.yegor256.WeAreOnline;
 import com.yegor256.farea.Farea;
-import java.io.IOException;
-import java.nio.charset.StandardCharsets;
 import java.nio.file.Files;
 import java.nio.file.Path;
-import java.nio.file.Paths;
 import org.cactoos.text.TextOf;
 import org.eolang.jucs.ClasspathSource;
-import org.eolang.maven.util.HmBase;
 import org.eolang.xax.XtSticky;
 import org.eolang.xax.XtYaml;
 import org.eolang.xax.Xtory;
@@ -135,12 +131,7 @@ void convertsObjectWithSystemType(@Mktmp final Path temp) throws Exception {
         MatcherAssert.assertThat(
             "the .xmir file is generated",
             XhtmlMatchers.xhtml(
-                new String(
-                    Files.readAllBytes(
-                        temp.resolve("target/eo/2-optimize/org/eolang/bytes.xmir")
-                    ),
-                    StandardCharsets.UTF_8
-                )
+                Files.readString(temp.resolve("target/eo/2-optimize/org/eolang/bytes.xmir"))
             ),
             XhtmlMatchers.hasXPaths(
                 "/program/objects/o[@name='bytes']",
@@ -180,34 +171,6 @@ void createsFiles(@Mktmp final Path temp) throws Exception {
         );
     }
 
-    @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/phi/xmir", glob = "**.xmir")
-    void convertsXmirsToPhiWithoutCriticalErrorsWithoutOptimizations(
-        final String xmir,
-        @Mktmp final Path temp
-    ) throws IOException {
-        final FakeMaven maven = new FakeMaven(temp);
-        new HmBase(temp).save(xmir, Paths.get("target/2-optimize/test.xmir"));
-        Assertions.assertDoesNotThrow(
-            () -> maven.execute(PhiMojo.class),
-            BinarizeParseTest.TO_ADD_MESSAGE
-        );
-    }
-
-    @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/phi/xmir", glob = "**.xmir")
-    void convertsXmirsToPhiWithoutCriticalErrorsWithOptimizations(
-        final String xmir,
-        @Mktmp final Path temp
-    ) throws IOException {
-        final FakeMaven maven = new FakeMaven(temp);
-        new HmBase(temp).save(xmir, Paths.get("target/2-optimize/test.xmir"));
-        Assertions.assertDoesNotThrow(
-            () -> maven.execute(PhiMojo.class),
-            BinarizeParseTest.TO_ADD_MESSAGE
-        );
-    }
-
     @Test
     void doesNotFailOnError(@Mktmp final Path temp) {
         Assertions.assertDoesNotThrow(
@@ -223,20 +186,40 @@ void doesNotFailOnError(@Mktmp final Path temp) {
     }
 
     @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/phi/yaml", glob = "**.yaml")
-    void checksPhiPacks(final String pack, @Mktmp final Path temp) throws Exception {
+    @ClasspathSource(value = "org/eolang/maven/phi-packs", glob = "**.yaml")
+    void checksPhiPacksWithSugar(final String pack, @Mktmp final Path temp) throws Exception {
+        final Xtory xtory = new XtSticky(new XtYaml(pack));
+        Assumptions.assumeTrue(xtory.map().get("skip") == null);
+        MatcherAssert.assertThat(
+            "must convert to exactly the expression we need with syntax sugar",
+            new TextOf(
+                new FakeMaven(temp)
+                    .withProgram(xtory.map().get("input").toString())
+                    .with("phiNoSugar", false)
+                    .execute(new FakeMaven.Phi())
+                    .result()
+                    .get("target/phi/foo/x/main.phi")
+            ).asString(),
+            Matchers.equalTo(xtory.map().get("with-sugar").toString())
+        );
+    }
+
+    @ParameterizedTest
+    @ClasspathSource(value = "org/eolang/maven/phi-packs", glob = "**.yaml")
+    void checksPhiPacksNoSugar(final String pack, @Mktmp final Path temp) throws Exception {
         final Xtory xtory = new XtSticky(new XtYaml(pack));
         Assumptions.assumeTrue(xtory.map().get("skip") == null);
         MatcherAssert.assertThat(
-            "must convert to exactly the expression we need",
+            "must convert to exactly the expression we need without syntax sugar",
             new TextOf(
                 new FakeMaven(temp)
                     .withProgram(xtory.map().get("input").toString())
+                    .with("phiNoSugar", true)
                     .execute(new FakeMaven.Phi())
                     .result()
                     .get("target/phi/foo/x/main.phi")
             ).asString(),
-            Matchers.equalTo(xtory.map().get("phi").toString())
+            Matchers.equalTo(xtory.map().get("no-sugar").toString())
         );
     }
 }

eo-maven-plugin/src/test/java/org/eolang/maven/PrintMojoTest.java

@@ -86,9 +86,11 @@ void printsSimpleObject(@Mktmp final Path temp) throws Exception {
     @Test
     void printsSuccessfully(@Mktmp final Path temp) throws Exception {
         final Home home = new HmBase(temp);
-        final Path resources = new File("src/test/resources/org/eolang/maven/print/xmir")
-            .toPath();
+        final Path resources = new File(
+            "../eo-parser/src/test/resources/org/eolang/parser/print-packs/xmir"
+        ).toPath();
         final Collection<Path> walk = new Walk(resources);
+        Assumptions.assumeTrue(!walk.isEmpty());
         for (final Path source : walk) {
             home.save(new TextOf(source), source);
         }
@@ -114,7 +116,7 @@ void printsSuccessfully(@Mktmp final Path temp) throws Exception {
     }
 
     @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/print/samples/", glob = "**.yaml")
+    @ClasspathSource(value = "org/eolang/maven/print-packs", glob = "**.yaml")
     void printsInStraightNotation(final String pack, @Mktmp final Path temp) throws Exception {
         final Xtory xtory = new XtSticky(new XtYaml(pack));
         Assumptions.assumeTrue(xtory.map().get("skip") == null);
@@ -126,7 +128,7 @@ void printsInStraightNotation(final String pack, @Mktmp final Path temp) throws
     }
 
     @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/print/samples/", glob = "**.yaml")
+    @ClasspathSource(value = "org/eolang/maven/print-packs", glob = "**.yaml")
     void printsInReversedNotation(final String pack, @Mktmp final Path temp) throws Exception {
         final Xtory xtory = new XtSticky(new XtYaml(pack));
         Assumptions.assumeTrue(xtory.map().get("skip") == null);

eo-maven-plugin/src/test/java/org/eolang/maven/UnphiMojoTest.java

@@ -228,11 +228,11 @@ void checksUnphiPacks(final String pack, @Mktmp final Path temp) throws Exceptio
     }
 
     @ParameterizedTest
-    @ClasspathSource(value = "org/eolang/maven/phi", glob = "**.yaml")
+    @ClasspathSource(value = "org/eolang/maven/phi-packs", glob = "**.yaml")
     void convertsToXmirAndBack(final String pack, @Mktmp final Path temp) throws Exception {
         final Xtory xtory = new XtSticky(new XtYaml(pack));
         Assumptions.assumeTrue(xtory.map().get("skip") == null);
-        final String phi = xtory.map().get("phi").toString();
+        final String phi = xtory.map().get("with-sugar").toString();
         final String main = "target/phi/main.phi";
         final Path path = Paths.get(main);
         new HmBase(temp).save(phi, path);

eo-maven-plugin/src/test/resources/org/eolang/maven/phi-packs

@@ -0,0 +1 @@
+../../../../../../../eo-parser/src/test/resources/org/eolang/parser/phi-packs