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Indexer optimization, bug 292908.

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This commit is contained in:
Markus Schorn 2009-11-18 15:16:14 +00:00
parent 897e40ab49
commit 6205516e38
1 changed files with 23 additions and 15 deletions
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38
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/AbstractIndexerTask.java
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@ -235,14 +235,14 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
IIndexFileLocation dummyLoc= fResolver.resolveASTPath(dummyName);
setIndexed(lang.getLinkageID(), dummyLoc);
FileContent codeReader= FileContent.create(dummyName, code.toCharArray());
return createAST(lang, codeReader, scanInfo, options, monitor);
return createAST(lang, codeReader, scanInfo, options, false, monitor);
}
return null;
}
private final IASTTranslationUnit createAST(Object tu, AbstractLanguage language, IScannerInfo scanInfo, int options, IProgressMonitor pm)
throws CoreException {
private final IASTTranslationUnit createAST(Object tu, AbstractLanguage language, IScannerInfo scanInfo, int options,
boolean inContext, IProgressMonitor pm) throws CoreException {
final FileContent codeReader= fResolver.getCodeReader(tu);
if (codeReader == null) {
return null;
@ -250,15 +250,18 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
if (fResolver.isSourceUnit(tu)) {
options |= ILanguage.OPTION_IS_SOURCE_UNIT;
}
return createAST(language, codeReader, scanInfo, options, pm);
return createAST(language, codeReader, scanInfo, options, inContext, pm);
}
private final IASTTranslationUnit createAST(AbstractLanguage language, FileContent codeReader,
IScannerInfo scanInfo, int options, IProgressMonitor pm) throws CoreException {
IScannerInfo scanInfo, int options, boolean inContext, IProgressMonitor pm) throws CoreException {
if (fCodeReaderFactory == null) {
InternalFileContentProvider fileContentProvider = createInternalFileContentProvider();
if (fIsFastIndexer) {
fCodeReaderFactory= new IndexBasedFileContentProvider(fIndex, fResolver, language.getLinkageID(), fileContentProvider, this);
IndexBasedFileContentProvider ibfcp = new IndexBasedFileContentProvider(fIndex, fResolver,
language.getLinkageID(), fileContentProvider, this);
ibfcp.setSupportFillGapFromContextToHeader(inContext);
fCodeReaderFactory= ibfcp;
} else {
fCodeReaderFactory= fileContentProvider;
}
@ -604,7 +607,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
if (info != null && info.fRequestUpdate && !info.fIsUpdated) {
info.fRequestIsCounted= false;
final IScannerInfo scannerInfo= fResolver.getBuildConfiguration(linkageID, tu);
parseFile(tu, linkageID, ifl, scannerInfo, monitor);
parseFile(tu, linkageID, ifl, scannerInfo, false, monitor);
if (info.fIsUpdated) {
updateFileCount(1, 0, 0); // a source file was parsed
}
@ -625,13 +628,13 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
final IndexFileContent info= getFileInfo(linkageID, ifl);
if (info != null && info.fRequestUpdate && !info.fIsUpdated) {
if (info.fIndexFile != null && fIndex.isWritableFile(info.fIndexFile)) {
Object tu= findContext((IIndexFragmentFile) info.fIndexFile, contextMap);
Object tu= findContext(linkageID, (IIndexFragmentFile) info.fIndexFile, contextMap);
if (tu != null) {
final IScannerInfo scannerInfo= fResolver.getBuildConfiguration(linkageID, tu);
info.fRequestIsCounted= false;
parseFile(tu, linkageID, fResolver.resolveFile(tu), scannerInfo, monitor);
parseFile(header, linkageID, ifl, scannerInfo, true, monitor);
if (info.fIsUpdated) {
updateFileCount(0, 0, 1); // a header was parsed in context
updateFileCount(0, 1, 1); // a header was parsed in context
iter.remove();
}
}
@ -653,7 +656,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
if (info != null && info.fRequestUpdate && !info.fIsUpdated) {
info.fRequestIsCounted= false;
final IScannerInfo scannerInfo= fResolver.getBuildConfiguration(linkageID, header);
parseFile(header, linkageID, ifl, scannerInfo, monitor);
parseFile(header, linkageID, ifl, scannerInfo, false, monitor);
if (info.fIsUpdated) {
updateFileCount(0, 1, 1); // a header was parsed without context
iter.remove();
@ -664,7 +667,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
}
private static Object NO_CONTEXT= new Object();
private Object findContext(IIndexFragmentFile ifile, HashMap<IIndexFragmentFile, Object> contextMap) {
private Object findContext(int linkageID, IIndexFragmentFile ifile, HashMap<IIndexFragmentFile, Object> contextMap) {
Object cachedContext= contextMap.get(ifile);
if (cachedContext != null) {
return cachedContext == NO_CONTEXT ? null : cachedContext;
@ -679,8 +682,13 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
contextMap.put(ifile, NO_CONTEXT); // prevent recursion
final IIndexInclude contextInclude= ifile.getParsedInContext();
if (contextInclude != null) {
// in case we are in context of another file that will be indexed, just wait.
final IndexFileContent info= getFileInfo(linkageID, contextInclude.getIncludedByLocation());
if (info != null && info.fRequestUpdate) {
return null;
}
final IIndexFragmentFile contextIFile= (IIndexFragmentFile) contextInclude.getIncludedBy();
context= findContext(contextIFile, contextMap);
context= findContext(linkageID, contextIFile, contextMap);
if (context != null) {
contextMap.put(ifile, context);
return context;
@ -693,7 +701,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
}
private void parseFile(Object tu, int linkageID, IIndexFileLocation ifl, IScannerInfo scanInfo,
IProgressMonitor pm) throws CoreException, InterruptedException {
boolean inContext, IProgressMonitor pm) throws CoreException, InterruptedException {
IPath path= getPathForLabel(ifl);
AbstractLanguage[] langs= fResolver.getLanguages(tu, fIndexHeadersWithoutContext==UnusedHeaderStrategy.useBoth);
AbstractLanguage lang= null;
@ -715,7 +723,7 @@ public abstract class AbstractIndexerTask extends PDOMWriter {
pm.subTask(getMessage(MessageKind.parsingFileTask,
path.lastSegment(), path.removeLastSegments(1).toString()));
long start= System.currentTimeMillis();
IASTTranslationUnit ast= createAST(tu, lang, scanInfo, fASTOptions, pm);
IASTTranslationUnit ast= createAST(tu, lang, scanInfo, fASTOptions, inContext, pm);
fStatistics.fParsingTime += System.currentTimeMillis()-start;
if (ast != null) {
writeToIndex(linkageID, ast, computeHashCode(scanInfo), pm);