pquitslund@google.com
be83083ccd
More fixes in the service of supporting analysis of resources that are non-resident. Notably a pluggable UrlLibrarySource and a repurposable SystemLibrariesReader. NOTE (API Change): SystemLibraryProvider is now an abstract class, suitable for client customization. Review URL: https://codereview.chromium.org//11027006 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@13084 260f80e4-7a28-3924-810f-c04153c831b5
69 lines
2.2 KiB
Java
69 lines
2.2 KiB
Java
/*
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* Copyright (c) 2012, the Dart project authors.
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*
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* Licensed under the Eclipse Public License v1.0 (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* http://www.eclipse.org/legal/epl-v10.html
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the License
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* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
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* or implied. See the License for the specific language governing permissions and limitations under
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* the License.
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*/
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package com.google.dart.compiler;
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import java.io.File;
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import java.io.IOException;
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import java.net.URI;
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/**
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* A file-based {@link SystemLibraryProvider} that reads dart-sdk/lib/_internal/libraries.dart for
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* system library information.
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*/
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public class FileBasedSystemLibraryProvider extends SystemLibraryProvider {
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private File sdkLibPath;
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/**
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* Create a {@link FileBasedSystemLibraryProvider} with the given path to the dart SDK.
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*/
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public FileBasedSystemLibraryProvider(File sdkPath) {
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super(new File(sdkPath, "lib").getAbsoluteFile().toURI());
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//TODO(pquitslund): remove this duplicated file creation
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sdkLibPath = new File(sdkPath, "lib").getAbsoluteFile();
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}
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@Override
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protected SystemLibrariesReader createReader() throws IOException {
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return new SystemLibrariesReader(sdkLibPath);
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}
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@Override
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public SystemLibrary createSystemLibrary(String name, String host, String pathToLib,
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String category, boolean documented, boolean implementation) {
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File dir = new File(sdkLibPath, host);
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File libFile = new File(dir, pathToLib);
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if (!libFile.isFile()) {
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throw new InternalCompilerException("Error mapping dart:" + host + ", path "
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+ libFile.getAbsolutePath() + " is not a file.");
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}
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return new SystemLibrary(
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name, host, pathToLib, dir, category, documented, implementation);
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}
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@Override
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public boolean exists(URI uri) {
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return new File(uri).exists();
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}
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@Override
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public URI resolveHost(String host, URI uri) {
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return new File(sdkLibPath, host).toURI().resolve("." + uri.getPath());
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}
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} |