Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/DartCompilerMainContext.java

Index: dart/compiler/java/com/google/dart/compiler/DartCompilerMainContext.java
diff --git a/dart/compiler/java/com/google/dart/compiler/DartCompilerMainContext.java b/dart/compiler/java/com/google/dart/compiler/DartCompilerMainContext.java
deleted file mode 100644
index ea3ea09122acfcaf925fccd36c20f1b6b8b042c4..0000000000000000000000000000000000000000
--- a/dart/compiler/java/com/google/dart/compiler/DartCompilerMainContext.java
+++ /dev/null
@@ -1,232 +0,0 @@
-// Copyright (c) 2012, 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.collect.Lists;
-import com.google.common.collect.Maps;
-import com.google.common.collect.Sets;
-import com.google.dart.compiler.ast.DartUnit;
-import com.google.dart.compiler.ast.LibraryUnit;
-import com.google.dart.compiler.metrics.CompilerMetrics;
-import com.google.dart.compiler.parser.DartParser;
-import com.google.dart.compiler.resolver.Elements;
-import com.google.dart.compiler.resolver.ResolverErrorCode;
-import com.google.dart.compiler.resolver.TypeErrorCode;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.io.Writer;
-import java.net.URI;
-import java.util.Collections;
-import java.util.List;
-import java.util.Map;
-import java.util.concurrent.atomic.AtomicBoolean;
-import java.util.concurrent.atomic.AtomicInteger;
-
-/**
- * An overall context for the Dart compiler providing an adapter and forwarding
- * mechanism for to both {@link DartArtifactProvider} and
- * {@link DartCompilerListener}. This is an internal compiler construct and as
- * such should not be instantiated or subclassed by those outside the compiler
- * itself.
- */
-final class DartCompilerMainContext implements DartCompilerListener, DartCompilerContext {
-
-  private final LibrarySource lib;
-  private final DartArtifactProvider provider;
-  private final DartCompilerListener listener;
-  private final Map<Source, List<DartCompilationError>> errors = Maps.newHashMap();
-  private final AtomicInteger errorCount = new AtomicInteger(0);
-  private final AtomicInteger warningCount = new AtomicInteger(0);
-  private final AtomicInteger typeErrorCount = new AtomicInteger(0);
-  private final AtomicBoolean filesHaveChanged = new AtomicBoolean();
-  // declared volatile for thread-safety
-  private volatile LibraryUnit appLibraryUnit = null;
-
-  private final CompilerConfiguration compilerConfiguration;
-
-  DartCompilerMainContext(LibrarySource lib, DartArtifactProvider provider,
-      DartCompilerListener listener,
-      CompilerConfiguration compilerConfiguration) {
-    this.lib = lib;
-    this.provider = provider;
-    this.listener = listener;
-    this.compilerConfiguration = compilerConfiguration;
-  }
-
-  @Override
-  public void onError(DartCompilationError event) {
-    // problems in dart:core are not interesting
-    // http://code.google.com/p/dart/issues/detail?id=7128
-    if (Elements.isCoreLibrarySource(event.getSource())) {
-      ErrorCode ec = event.getErrorCode();
-      if (ec == ResolverErrorCode.EXPECTED_CONSTANT_EXPRESSION_NUMBER
-          || ec == TypeErrorCode.ASSERT_BOOL
-          || ec == TypeErrorCode.TYPE_NOT_ASSIGNMENT_COMPATIBLE
-          || ec == TypeErrorCode.FOR_IN_WITH_INVALID_ITERATOR_RETURN_TYPE
-          || ec == TypeErrorCode.OPERATOR_EQUALS_BOOL_RETURN_TYPE
-          || ec == TypeErrorCode.CANNOT_OVERRIDE_TYPED_MEMBER
-          || ec == TypeErrorCode.CANNOT_OVERRIDE_METHOD_NOT_SUBTYPE
-          || ec == TypeErrorCode.OPERATOR_WRONG_OPERAND_TYPE) {
-        return;
-      }
-    }
-
-    // Remember error.
-    {
-      Source source = event.getSource();
-      if (source != null) {
-        List<DartCompilationError> sourceErrors = errors.get(source);
-        if (sourceErrors == null) {
-          sourceErrors = Lists.newArrayList();
-          errors.put(source, sourceErrors);
-        }
-        sourceErrors.add(event);
-      }
-    }
-    // Increment counters.
-    if (event.getErrorCode().getSubSystem() == SubSystem.STATIC_TYPE) {
-      incrementTypeErrorCount();
-    }
-    if (event.getErrorCode().getErrorSeverity() == ErrorSeverity.ERROR) {
-      incrementErrorCount();
-    } else if (event.getErrorCode().getErrorSeverity() == ErrorSeverity.WARNING) {
-      incrementWarningCount();
-    }
-    // Notify listener.
-    listener.onError(event);
-  }
-
-  @Override
-  public LibraryUnit getApplicationUnit() {
-    return getAppLibraryUnit();
-  }
-
-  @Override
-  public LibraryUnit getAppLibraryUnit() {
-    // use double-checked looking pattern with use of volatile
-    if (appLibraryUnit == null) {
-      synchronized (this) {
-        if (appLibraryUnit == null) {
-          try {
-            appLibraryUnit = new DartParser(lib, DartParser.read(lib), false,
-                Sets.<String> newHashSet(), DartCompilerListener.EMPTY, null).preProcessLibraryDirectives(lib);
-          } catch (IOException e) {
-            onError(new DartCompilationError(lib, DartCompilerErrorCode.IO, e.getMessage()));
-            return null;
-          }
-        }
-      }
-    }
-    return appLibraryUnit;
-  }
-
-  @Override
-  public Reader getArtifactReader(Source source, String part, String extension)
-      throws IOException {
-    return provider.getArtifactReader(source, part, extension);
-  }
-
-  @Override
-  public URI getArtifactUri(DartSource source, String part, String extension) {
-    return provider.getArtifactUri(source, part, extension);
-  }
-
-  @Override
-  public Writer getArtifactWriter(Source source, String part, String extension)
-      throws IOException {
-    return provider.getArtifactWriter(source, part, extension);
-  }
-
-  /**
-   * @return the {@link DartCompilationError}s found in the given {@link Source}.
-   */
-  public List<DartCompilationError> getSourceErrors(Source source) {
-    List<DartCompilationError> sourceErrors = errors.get(source);
-    if (sourceErrors != null) {
-      return sourceErrors;
-    }
-    return Collections.emptyList();
-  }
-
-  public int getErrorCount() {
-    return errorCount.get();
-  }
-
-  public int getWarningCount() {
-    return warningCount.get();
-  }
-
-  public int getTypeErrorCount() {
-    return typeErrorCount.get();
-  }
-
-  @Override
-  public LibraryUnit getLibraryUnit(LibrarySource libSrc) {
-    if (libSrc == lib) {
-      return getApplicationUnit();
-    }
-    try {
-      return new DartParser(libSrc, DartParser.read(libSrc), false,
-          Sets.<String> newHashSet(), listener, null).preProcessLibraryDirectives(libSrc);
-    } catch (IOException e) {
-      onError(new DartCompilationError(libSrc, DartCompilerErrorCode.IO, e.getMessage()));
-      return null;
-    }
-  }
-
-  @Override
-  public boolean isOutOfDate(Source source, Source base, String extension) {
-    return provider.isOutOfDate(source, base, extension);
-  }
-
-  protected void incrementErrorCount() {
-    errorCount.incrementAndGet();
-  }
-
-  protected void incrementWarningCount() {
-    warningCount.incrementAndGet();
-  }
-
-  protected void incrementTypeErrorCount() {
-    typeErrorCount.incrementAndGet();
-  }
-
-  @Override
-  public CompilerMetrics getCompilerMetrics() {
-    return compilerConfiguration.getCompilerMetrics();
-  }
-
-  public void setFilesHaveChanged() {
-    filesHaveChanged.set(true);
-  }
-
-  public boolean getFilesHaveChanged() {
-    return filesHaveChanged.get();
-  }
-
-  @Override
-  public CompilerConfiguration getCompilerConfiguration() {
-    return compilerConfiguration;
-  }
-
-  /**
-   * Return the system library corresponding to the specified "dart:<libname>" spec.
-   */
-  @Override
-  public LibrarySource getSystemLibraryFor(String importSpec) {
-    return compilerConfiguration.getSystemLibraryFor(importSpec);
-  }
-
-  @Override
-  public void unitAboutToCompile(DartSource source, boolean diet) {
-    listener.unitAboutToCompile(source, diet);
-  }
-
-  @Override
-  public void unitCompiled(DartUnit unit) {
-    listener.unitCompiled(unit);
-  }
-}