/**
* Parse the specified source. Any exceptions thrown by the {@link DartParser} will be logged and
* a {@link DartModelException} thrown.
*
* @param librarySource the source for the library containing the compilation unit being parsed
* @param unitUri the URI of the compilation unit being parsed
* @param parseErrors a collection to which parse errors are appended or <code>null</code> if
* parse errors should be ignored
* @return the parse result
*/
public static DartUnit resolveUnit(
LibrarySource librarySource,
URI unitUri,
Map<URI, String> suppliedSources,
final Collection<DartCompilationError> parseErrors)
throws DartModelException {
long start = System.currentTimeMillis();
ResolverRunnable runnable =
new ResolverRunnable(librarySource, unitUri, suppliedSources, false, parseErrors);
runnable.runSafe();
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-resolveUnit", elapsed).log();
Instrumentation.operation("DartCompilerUtils-resolveUnit", elapsed)
.with("librarySource-ElementName", librarySource.getName())
.with("librarySource.LastModified", librarySource.getLastModified())
.log();
if (runnable.exception != null) {
throw new DartModelException(
new CoreException(
new Status(
IStatus.ERROR,
DartCore.PLUGIN_ID,
"Failed to parse " + unitUri,
runnable.exception)));
}
return runnable.unitResult;
}
/**
* Parse the compilation units in the specified library. Any exceptions thrown by the {@link
* DartParser} will be logged and a {@link DartModelException} thrown.
*
* @param library the library to be parsed (not <code>null</code>)
* @param parseErrors a collection to which parse errors are appended or <code>null</code> if
* parse errors should be ignored
* @return the parse result
* @throws DartModelException if the library could not be parsed
*/
public static LibraryUnit resolveLibrary(
LibrarySource library,
Collection<DartUnit> suppliedUnits,
final Collection<DartCompilationError> parseErrors)
throws DartModelException {
long start = System.currentTimeMillis();
ResolverRunnable runnable =
new ResolverRunnable(library, createMap(suppliedUnits), false, parseErrors);
runnable.runSafe();
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-resolveLibrary", elapsed).log();
Instrumentation.operation("DartCompilerUtils-resolveLibrary", elapsed)
.with("librarySource.Name", library.getName())
.with("librarySource.LastModified", library.getLastModified())
.log();
if (runnable.exception != null) {
throw new DartModelException(
new CoreException(
new Status(
IStatus.ERROR,
DartCore.PLUGIN_ID,
"Failed to parse " + library.getName(),
runnable.exception)));
}
return runnable.libraryResult;
}
/** A synchronized call to {@link DartCompiler#analyzeLibraries} */
public static Map<URI, LibraryUnit> secureAnalyzeLibraries(
LibrarySource librarySource,
SelectiveCache selectiveCache,
CompilerConfiguration config,
DartArtifactProvider provider,
DartCompilerListener listener,
boolean resolveAllNewLibs)
throws IOException {
// All calls to DartC must be synchronized
long start = System.currentTimeMillis();
Map<URI, LibraryUnit> ret;
synchronized (compilerLock) {
ret =
DartCompiler.analyzeLibraries(
librarySource, selectiveCache, config, provider, listener, resolveAllNewLibs);
}
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-secureAnalyzeLibraries", elapsed).log();
Instrumentation.operation("DartCompilerUtils-secureAnalyzeLibraries", elapsed)
.with("librarySource.Name", librarySource.getName())
.with("librarySource.LastModified", librarySource.getLastModified())
.log();
return ret;
}
/**
* Process the given resource within the context of the given working set in order to record the
* data and relationships found within the resource.
*/
public void indexResource(File libraryFile, File sourceFile, DartUnit dartUnit)
throws DartModelException {
// Get the LibrarySource
LibrarySource librarySource = dartUnit.getLibrary().getSource();
// Get the DartLibrary
DartLibraryImpl library;
IResource resource = ResourceUtil.getResource(libraryFile);
if (resource == null) {
library = new DartLibraryImpl(librarySource);
} else {
DartElement element = DartCore.create(resource);
if (element instanceof CompilationUnitImpl) {
element = ((CompilationUnitImpl) element).getLibrary();
}
if (!(element instanceof DartLibrary)) {
DartCore.logError("Expected library to be associated with " + libraryFile);
return;
}
library = (DartLibraryImpl) element;
}
// Get the CompilationUnit
DartSource unitSource = (DartSource) dartUnit.getSourceInfo().getSource();
CompilationUnit compilationUnit;
IResource res = ResourceUtil.getResource(sourceFile);
if (res != null) {
DefaultWorkingCopyOwner workingCopy = DefaultWorkingCopyOwner.getInstance();
compilationUnit = new CompilationUnitImpl(library, (IFile) res, workingCopy);
} else {
String relPath = unitSource.getRelativePath();
compilationUnit = new ExternalCompilationUnitImpl(library, relPath, unitSource);
}
URI unitUri = unitSource.getUri();
Resource indexerResource;
if (PackageLibraryManager.isDartUri(unitUri)) {
indexerResource =
new Resource(
ResourceFactory.composeResourceId(
librarySource.getUri().toString(), unitUri.toString()));
} else if (PackageLibraryManager.isPackageUri(unitUri)) {
indexerResource =
new Resource(
ResourceFactory.composeResourceId(
libraryFile.toURI().toString(), sourceFile.toURI().toString()));
} else {
indexerResource = ResourceFactory.getResource(compilationUnit);
}
// Queue the resource to be indexed
indexResource(indexerResource, libraryFile, compilationUnit, dartUnit);
}
@Override
public Void visitStringLiteral(DartStringLiteral node) {
if (foundElement == null) {
int start = node.getSourceInfo().getOffset();
int length = node.getSourceInfo().getLength();
int end = start + length;
if (end == 0) {
return null;
}
if (start <= startOffset && end >= endOffset) {
wordRegion = computeInternalStringRegion(start, length);
DartNode parent = node.getParent();
if (parent instanceof DartSourceDirective
&& ((DartSourceDirective) parent).getSourceUri() == node) {
// resolvedElement = ((DartSourceDirective) parent).getElement();
DartLibrary library = compilationUnit.getLibrary();
String fileName = getFileName(library, node.getValue());
CompilationUnit sourcedUnit = library.getCompilationUnit(fileName);
if (sourcedUnit != null && sourcedUnit.exists()) {
foundElement = sourcedUnit;
}
} else if (parent instanceof DartResourceDirective
&& ((DartResourceDirective) parent).getResourceUri() == node) {
// resolvedElement = ((DartResourceDirective) parent).getElement();
DartLibrary library = compilationUnit.getLibrary();
try {
DartSource unitSource = compilationUnit.getSourceRef();
if (unitSource != null) {
LibrarySource librarySource = unitSource.getLibrary();
if (librarySource != null) {
DartSource resourceSource = librarySource.getSourceFor(node.getValue());
if (resourceSource != null) {
URI resourceUri = resourceSource.getUri();
DartResource resource = library.getResource(resourceUri);
if (resource != null && resource.exists()) {
foundElement = resource;
}
}
}
}
} catch (DartModelException exception) {
foundElement = null;
}
}
throw new DartElementFoundException();
}
}
return null;
}
/**
* A synchronized call to {@link DartCompiler#compileLib(LibrarySource, CompilerConfiguration,
* DartArtifactProvider, DartCompilerListener)}
*/
public static void secureCompileLib(
LibrarySource libSource,
CompilerConfiguration config,
DartArtifactProvider provider,
DartCompilerListener listener)
throws IOException {
long start = System.currentTimeMillis();
if (!DartSdkManager.getManager().hasSdk()) {
return;
}
List<LibrarySource> embeddedLibraries = new ArrayList<LibrarySource>();
// All calls to DartC must be synchronized
synchronized (compilerLock) {
DartCompiler.compileLib(libSource, embeddedLibraries, config, provider, listener);
}
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-secureCompileLib", elapsed).log();
Instrumentation.operation("DartCompilerUtils-secureCompileLib", elapsed)
.with("librarySource.Name", libSource.getName())
.log();
}
@Override
public LibrarySource getImportFor(String relPath) throws IOException {
try {
return wrappedSource.getImportFor(relPath);
} catch (Exception exception) {
DartCore.logInformation("Could not find import: '" + relPath + "'", exception);
return null;
}
}
@Override
public DartSource getSourceFor(String relPath) {
URI uri;
try {
uri = wrappedSource.getUri().resolve(new URI(null, null, relPath, null));
} catch (URISyntaxException e) {
uri = null;
}
if (uri != null) {
for (URI key : suppliedSources.keySet()) {
if (equalUris(libraryManager, key, uri)) {
String source = suppliedSources.get(key);
return new DartURIStringSource(this, uri, relPath, source);
}
}
}
return wrappedSource.getSourceFor(relPath);
}
DeltaAnalysisRunnable(
LibrarySource librarySource,
URI unitUri,
Map<URI, String> suppliedSources,
DartUnit suppliedUnit,
DartNode completionNode,
int completionLocation,
Collection<DartCompilationError> parseErrors) {
super(parseErrors);
librarySource.getClass(); // quick null check
unitUri.getClass(); // quick null check
suppliedSources.getClass(); // quick null check
suppliedUnit.getClass(); // quick null check
completionNode.getClass(); // quick null check
parseErrors.getClass(); // quick null check
this.librarySource = new LibraryWithSuppliedSources(librarySource, suppliedSources);
this.parsedUnit = suppliedUnit;
this.completionNode = completionNode;
this.completionLocation = completionLocation;
String sourceString = suppliedSources.get(unitUri);
this.source = new DartSourceString(unitUri.getPath(), sourceString);
this.unitUri = unitUri;
}
/** A synchronized call to {@link DartCompiler#analyzeLibrary} */
public static LibraryUnit secureAnalyzeLibrary(
LibrarySource librarySource,
final Map<URI, DartUnit> parsedUnits,
final CompilerConfiguration config,
DartArtifactProvider provider,
DartCompilerListener listener)
throws IOException {
long start = System.currentTimeMillis();
if (!DartSdkManager.getManager().hasSdk()) {
return null;
}
final PackageLibraryManager manager = PackageLibraryManagerProvider.getPackageLibraryManager();
AnalysisServer server = PackageLibraryManagerProvider.getDefaultAnalysisServer();
URI librarySourceUri = librarySource.getUri();
if (parsedUnits == null && !(librarySource instanceof LibraryWithSuppliedSources)) {
// Resolve dart:<libname> to file URI before calling AnalysisServer
URI libraryFileUri = manager.resolveDartUri(librarySourceUri);
File libraryFile = new File(libraryFileUri.getPath());
LibraryUnit ret = server.getSavedContext().resolve(libraryFile, 30000);
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-secureAnalyzeLibrary", elapsed).log();
Instrumentation.operation("DartCompilerUtils-secureAnalyzeLibrary", elapsed)
.with("librarySource.Name", librarySource.getName())
.with("librarySource.LastModified", librarySource.getLastModified())
.log();
return ret;
}
// Resolve the specified library against all currently cached libraries
final Map<URI, LibraryUnit> resolvedLibs = server.getSavedContext().getResolvedLibraries(50);
resolvedLibs.remove(librarySourceUri);
// Construct the selective cache
SelectiveCache selectiveCache =
new DartCompiler.SelectiveCache() {
@Override
public Map<URI, LibraryUnit> getResolvedLibraries() {
return resolvedLibs;
}
@Override
public DartUnit getUnresolvedDartUnit(DartSource dartSrc) {
if (parsedUnits == null) {
return null;
}
URI srcUri = dartSrc.getUri();
DartUnit parsedUnit = parsedUnits.remove(srcUri);
if (parsedUnit != null) {
return parsedUnit;
}
URI fileUri = manager.resolveDartUri(srcUri);
return parsedUnits.remove(fileUri);
}
};
Map<URI, LibraryUnit> libMap;
// All calls to DartC must be synchronized
synchronized (compilerLock) {
libMap =
DartCompiler.analyzeLibraries(
librarySource, selectiveCache, config, provider, listener, false);
}
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-secureAnalyzeLibrary", elapsed)
.with("libMapHasResult", Boolean.toString(libMap != null))
.log();
Instrumentation.operation("DartCompilerUtils-secureAnalyzeLibrary", elapsed)
.with("librarySource.Name", librarySource.getName())
.with("libMapHasResult", Boolean.toString(libMap != null))
.with("librarySource.LastModified", librarySource.getLastModified())
.log();
return libMap != null ? libMap.get(librarySourceUri) : null;
}
@Override
public long getLastModified() {
return wrappedSource.getLastModified();
}
@Override
public boolean exists() {
return wrappedSource.exists();
}
public static DartNode analyzeDelta(
LibrarySource library,
String sourceString,
DartUnit suppliedUnit,
DartNode completionNode,
int completionLocation,
final Collection<DartCompilationError> parseErrors)
throws DartModelException {
long start = System.currentTimeMillis();
if (cachedLibraries.get(library) == null) {
Collection<DartUnit> parsedUnits = new ArrayList<DartUnit>();
parsedUnits.add(suppliedUnit);
LibraryUnit resolvedLib = resolveLibrary(library, parsedUnits, parseErrors);
synchronized (cachedLibraries) {
LibraryUnit newLib = cachedLibraries.get(library);
if (newLib == null) {
cachedLibraries.put(library, resolvedLib);
}
}
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-analyzeDelta", elapsed)
.with("Cached", "false")
.with("ParsedUnits", parsedUnits.size())
.with("ParseErrors", parseErrors != null ? parseErrors.size() : 0)
.with("sourceString-length", sourceString.length())
.with("CachedLibraries", "false")
.log();
Instrumentation.operation("DartCompilerUtils-analyzeDelta", elapsed)
.with("analyzeDelta.Name", library.getName())
.with("librarySource.LastModified", library.getLastModified())
.with("sourceString", sourceString)
.with("sourceString-length", sourceString.length())
.with("CachedLibraries", "true")
.log();
return completionNode;
}
DartSource src = (DartSource) suppliedUnit.getSourceInfo().getSource();
URI unitUri = src.getUri();
Map<URI, String> suppliedSources = new HashMap<URI, String>();
suppliedSources.put(unitUri, sourceString);
DeltaAnalysisRunnable runnable =
new DeltaAnalysisRunnable(
library,
unitUri,
suppliedSources,
suppliedUnit,
completionNode,
completionLocation,
parseErrors);
runnable.runSafe();
long elapsed = System.currentTimeMillis() - start;
Instrumentation.metric("DartCompilerUtils-analyzeDelta", elapsed)
.with("Cached", "false")
.with("ParseErrors", parseErrors != null ? parseErrors.size() : 0)
.with("sourceString-length", sourceString.length())
.with("CachedLibraries", "false")
.log();
Instrumentation.operation("DartCompilerUtils-analyzeDelta", elapsed)
.with("analyzeDelta.Name", library.getName())
.with("librarySource.LastModified", library.getLastModified())
.with("sourceString", sourceString)
.with("sourceString-length", sourceString.length())
.with("CachedLibraries", "true")
.log();
if (runnable.exception != null) {
throw new DartModelException(
new CoreException(
new Status(
IStatus.ERROR,
DartCore.PLUGIN_ID,
"Failed to parse " + library.getName(),
runnable.exception)));
}
return runnable.analyzedNode;
}
@Override
public URI getUri() {
return wrappedSource.getUri();
}
@Override
public String getUniqueIdentifier() {
return wrappedSource.getUniqueIdentifier();
}
@Override
public Reader getSourceReader() throws IOException {
return wrappedSource.getSourceReader();
}
@Override
public String getName() {
return wrappedSource.getName();
}
