Removed compiler/ directory from repository

dart/compiler/java/com/google/dart/compiler/DartCompilerContext.java

-// 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.dart.compiler.ast.LibraryUnit;
-import com.google.dart.compiler.metrics.CompilerMetrics;
-
-import java.io.IOException;
-import java.io.Reader;
-import java.io.Writer;
-import java.net.URI;
-
-/**
- * An interface used internally by the {@link DartCompiler} for determining where an artifact should
- * be generated and providing feedback during the compilation process. This is an internal compiler
- * construct and as such should not be instantiated or implemented by those outside the compiler
- * itself.
- */
-public interface DartCompilerContext {
-
-  /**
-   * Parse the application being compiled and return the result. The "application unit" is a
-   * library that specifies an entry-point.
-   * 
-   * This method will be removed in favor of {@link #getAppLibraryUnit()}.
-   *
-   * @return the parsed result (not <code>null</code>)
-   */
-  LibraryUnit getApplicationUnit();
-
-  /**
-   * Parse the application being compiled and return the result. The "app" library unit is a
-   * library that specifies an entry-point.
-   *
-   * @return the parsed result (not <code>null</code>)
-   */
-  LibraryUnit getAppLibraryUnit();
-
-  /**
-   * Parse the specified library and return the result.
-   *
-   * @param lib the library to parse (not <code>null</code>)
-   * @return the parsed result (not <code>null</code>)
-   */
-  LibraryUnit getLibraryUnit(LibrarySource lib);
-
-  /**
-   * Called by the compiler when a error (fatal or non-fatal) has occurred in a Dart file.
-   *
-   * @param event the event information (not <code>null</code>)
-   */
-  void onError(DartCompilationError event);
-
-  /**
-   * Gets a reader for an artifact associated with the specified source, which
-   * must have been written to {@link #getArtifactWriter(Source, String, String)}. The
-   * caller is responsible for closing the reader. Only one artifact may be
-   * associated with the given extension.
-   *
-   * @param source the source file (not <code>null</code>)
-   * @param part a component of the source file to get a reader for (may be empty).
-   * @param extension the file extension for this artifact (not
-   *          <code>null</code>, not empty)
-   * @return the reader, or <code>null</code> if no such artifact exists
-   */
-  Reader getArtifactReader(Source source, String part, String extension) throws IOException;
-
-  /**
-   * Gets the {@link URI} for an artifact associated with this source.
-   * 
-   * @param source the source file (not <code>null</code>)
-   * @param part a component of the source file to get a reader for (may be empty).
-   * @param extension the file extension for this artifact (not
-   *          <code>null</code>, not empty)
-   */
-  URI getArtifactUri(DartSource source, String part, String extension);
-
-  /**
-   * Gets a writer for an artifact associated with this source. The caller is
-   * responsible for closing the writer. Only one artifact may be associated
-   * with the given extension.
-   *
-   * @param source the source file (not <code>null</code>)
-   * @param part a component of the source file to get a reader for (may be empty).
-   * @param extension the file extension for this artifact (not
-   *          <code>null</code>, not empty)
-   */
-  Writer getArtifactWriter(Source source, String part, String extension) throws IOException;
-
-  /**
-   * Determines whether an artifact for the specified source is out of date
-   * with respect to some other source.
-   *
-   * @param source the source file to check (not <code>null</code>)
-   * @param base the artifact's base source (not <code>null</code>)
-   * @param extension the file extension for this artifact (not
-   *          <code>null</code>, not empty)
-   * @return <code>true</code> if out of date
-   */
-  boolean isOutOfDate(Source source, Source base, String extension);
-
-  /**
-   * Returns the {@link CompilerMetrics} instance or <code>null</code> if we should not record
-   * metrics.
-   *
-   * @return the metrics instance, <code>null</code> if metrics should not be recorded
-   */
-  CompilerMetrics getCompilerMetrics();
-
-  /**
-   * Returns the {@link CompilerConfiguration} instance.
-   * @return the compiler configuration instance.
-   */
-  CompilerConfiguration getCompilerConfiguration();
-
-  /**
-   * Return the system library corresponding to the specified "dart:<libname>" spec.
-   */
-  LibrarySource getSystemLibraryFor(String importSpec);
-}