Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/LibraryDeps.java

Index: dart/compiler/java/com/google/dart/compiler/LibraryDeps.java
diff --git a/dart/compiler/java/com/google/dart/compiler/LibraryDeps.java b/dart/compiler/java/com/google/dart/compiler/LibraryDeps.java
deleted file mode 100644
index bcdf2e46aca1c26af89ef7adbbf6246b8df24f68..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/LibraryDeps.java
+++ /dev/null
@@ -1,313 +0,0 @@
-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-package com.google.dart.compiler;
-
-import com.google.common.base.Objects;
-import com.google.common.base.Splitter;
-import com.google.common.base.Strings;
-import com.google.common.collect.Iterables;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import com.google.dart.compiler.ast.DartUnit;
-
-import java.io.BufferedReader;
-import java.io.IOException;
-import java.io.Reader;
-import java.io.Writer;
-import java.net.URI;
-import java.util.List;
-import java.util.Map;
-import java.util.Map.Entry;
-import java.util.Set;
-
-/**
- * Represents a library's dependencies artifact.
- */
-public class LibraryDeps {
-  private static final String VERSION = "v00001";
-
-  /**
-   * Each dependency record contains the library in which it was found, name of the unit in this
-   * library and last-modified timestamp. Any change in the timestamp of the target dependency will
-   * force a recompile of the associated compilation unit.
-   */
-  public static class Dependency {
-    private final URI libUri;
-    private final String unitName;
-    private final long lastModified;
-
-    public Dependency(URI libUri, String unitName, long lastModified) {
-      this.libUri = libUri;
-      this.unitName = unitName;
-      this.lastModified = lastModified;
-    }
-
-    @Override
-    public boolean equals(Object obj) {
-      if (obj instanceof Dependency) {
-        Dependency dep = (Dependency) obj;
-        return Objects.equal(libUri, dep.libUri) && Objects.equal(unitName, dep.unitName);
-      }
-      return false;
-    }
-
-    @Override
-    public int hashCode() {
-      return Objects.hashCode(libUri, unitName);
-    }
-
-    public URI getLibUri() {
-      return libUri;
-    }
-
-    public String getUnitName() {
-      return unitName;
-    }
-
-    public long getLastModified() {
-      return lastModified;
-    }
-  }
-
-  public static class Source {
-    private final Set<Dependency> deps = Sets.newHashSet();
-    private final Set<String> topSymbols = Sets.newHashSet();
-    private final Set<String> allSymbols = Sets.newHashSet();
-    private final Set<String> holes = Sets.newHashSet();
-    private boolean shouldRecompileOnAnyTopLevelChange = false;
-
-    /**
-     * @return the {@link Set} of {@link Dependency}s.
-     */
-    public Set<Dependency> getDeps() {
-      return deps;
-    }
-
-    /**
-     * @return the names of top-level elements, such as methods and classes.
-     */
-    public Set<String> getTopSymbols() {
-      return topSymbols;
-    }
-
-    /**
-     * @return the names of all elements in unit, such as names of local variables, fields, etc.
-     */
-    public Set<String> getAllSymbols() {
-      return allSymbols;
-    }
-
-    /**
-     * @return the names of functions, which are invoked without qualifier. So, declaration or
-     *         removing function with such name on top-level should cause recompiling.
-     */
-    public Set<String> getHoles() {
-      return holes;
-    }
-
-    /**
-     * @return <code>true</code> if this unit should be recompiled on any change in the set of
-     *         top-level symbols. Typically unit has compilation errors, which potentially may be
-     *         fixed, so we should recompile this unit.
-     */
-    public boolean shouldRecompileOnAnyTopLevelChange() {
-      return shouldRecompileOnAnyTopLevelChange;
-    }
-
-    /**
-     * Adds new {@link Dependency}.
-     */
-    public void addDep(Dependency dep) {
-      deps.add(dep);
-    }
-
-    /**
-     * Adds symbol to the {@link Set} of top symbols.
-     */
-    public void addTopSymbol(String symbol) {
-      if (!Strings.isNullOrEmpty(symbol)) {
-        topSymbols.add(symbol);
-      }
-    }
-
-    /**
-     * Adds symbol to the {@link Set} of all symbols.
-     */
-    public void addAllSymbol(String symbol) {
-      allSymbols.add(symbol);
-    }
-
-    /**
-     * Adds new hole for {@link #getHoles()}.
-     */
-    public void addHole(String hole) {
-      holes.add(hole);
-    }
-  }
-
-  public static LibraryDeps fromReader(Reader reader) {
-    try {
-      return fromReaderEx(reader);
-    } catch (Throwable e) {
-      return null;
-    }
-  }
-
-  private static LibraryDeps fromReaderEx(Reader reader) throws Exception {
-    LibraryDeps deps = new LibraryDeps();
-    BufferedReader buf = new BufferedReader(reader);
-    // Check version.
-    {
-      String line = buf.readLine();
-      if (!Objects.equal(line, VERSION)) {
-        return deps;
-      }
-    }
-    // Read units dependencies.
-    String relPath;
-    while (null != (relPath = buf.readLine())) {
-      Source source = new Source();
-      // Read flags.
-      source.shouldRecompileOnAnyTopLevelChange = Boolean.parseBoolean(buf.readLine());
-      // Read top symbols.
-      {
-        String line = buf.readLine();
-        Iterable<String> topSymbols = Splitter.on(' ').omitEmptyStrings().split(line);
-        Iterables.addAll(source.topSymbols, topSymbols);
-      }
-      // Read all symbols.
-      {
-        String line = buf.readLine();
-        Iterable<String> allSymbols = Splitter.on(' ').omitEmptyStrings().split(line);
-        Iterables.addAll(source.allSymbols, allSymbols);
-      }
-      // Read holes.
-      {
-        String line = buf.readLine();
-        Iterable<String> holes = Splitter.on(' ').omitEmptyStrings().split(line);
-        Iterables.addAll(source.holes, holes);
-      }
-      // Read dependencies.
-      while (true) {
-        String line = buf.readLine();
-        // Blank line: next unit.
-        if (line.length() == 0) {
-          break;
-        }
-        // Parse line.
-        String[] parts = line.split(" ");
-        source.deps.add(new Dependency(new URI(parts[0]), parts[1], Long.parseLong(parts[2])));
-      }
-      // Remember dependencies for current unit.
-      deps.sources.put(relPath, source);
-    }
-    return deps;
-  }
-
-  private final Map<String, Source> sources = Maps.newHashMap();
-
-  public LibraryDeps() {
-  }
-
-  /**
-   * @return the relative paths of all units with remembered dependencies.
-   */
-  public Set<String> getUnitPaths() {
-    return sources.keySet();
-  }
-
-  /**
-   * @return all {@link Source} descriptions for all units in this library.
-   */
-  public Iterable<Source> getSources() {
-    return sources.values();
-  }
-
-  /**
-   * @return the {@link Source} description of the unit with given path.
-   */
-  public Source getSource(String relPath) {
-    return sources.get(relPath);
-  }
-
-  /**
-   * Remembers {@link Dependency}s of the unit with given path.
-   */
-  public void putSource(String relPath, Source source) {
-    sources.put(relPath, source);
-  }
-
-  /**
-   * Update the library dependencies to reflect this unit's classes.
-   */
-  public void update(DartCompilerMainContext context, DartUnit unit) {
-    Source source = new Source();
-    DartSource unitSource = (DartSource) unit.getSourceInfo().getSource();
-    String relPath = unitSource.getRelativePath();
-    putSource(relPath, source);
-    // Remember dependencies.
-    LibraryDepsVisitor.exec(unit, source);
-    // Fill Source with symbols.
-    for (String name : unit.getDeclarationNames()) {
-      source.addAllSymbol(name);
-    }
-    for (String name : unit.getTopDeclarationNames()) {
-      source.addTopSymbol(name);
-    }
-    // Analyze errors and see if any of them should force recompilation.
-    List<DartCompilationError> sourceErrors = context.getSourceErrors(unitSource);
-    for (DartCompilationError error : sourceErrors) {
-      if (error.getErrorCode().needsRecompilation()) {
-        source.shouldRecompileOnAnyTopLevelChange = true;
-        break;
-      }
-    }
-  }
-
-  public void write(Writer writer) throws IOException {
-    // Write version.
-    writer.write(VERSION);
-    writer.write('\n');
-    // Write entries.
-    for (Entry<String, Source> entry : sources.entrySet()) {
-      String relPath = entry.getKey();
-      Source source = entry.getValue();
-      // Unit name.
-      writer.write(relPath);
-      writer.write('\n');
-      // Flags.
-      writer.write(Boolean.toString(source.shouldRecompileOnAnyTopLevelChange));
-      writer.write('\n');
-      // Write top symbols.
-      for (String symbol : source.topSymbols) {
-        writer.write(symbol);
-        writer.write(' ');
-      }
-      writer.write('\n');
-      // Write all symbols.
-      for (String symbol : source.allSymbols) {
-        writer.write(symbol);
-        writer.write(' ');
-      }
-      writer.write('\n');
-      // Write holes.
-      for (String hole : source.holes) {
-        writer.write(hole);
-        writer.write(' ');
-      }
-      writer.write('\n');
-      // Write dependencies.
-      for (Dependency dep : source.deps) {
-        writer.write(dep.libUri.toString());
-        writer.write(' ');
-        writer.write(dep.unitName);
-        writer.write(' ');
-        writer.write(Long.toString(dep.lastModified));
-        writer.write('\n');
-      }
-      // Empty line after each unit.
-      writer.write('\n');
-    }
-  }
-}