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Code Issues Wiki Activity

Bug #120361: IndexEncoderUtil.nodeInVisitedExternalHeader() performance

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This commit is contained in:
Oleg Krasilnikov 2006-03-10 11:53:09 +00:00
parent d78c26534a
commit 681c59c039
2 changed files with 31 additions and 10 deletions
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21
core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/index/domsourceindexer/DOMSourceIndexer.java
View file

@ -183,10 +183,29 @@ public class DOMSourceIndexer extends AbstractCExtension implements ICDTIndexer
headers.put(filePath.toOSString());
added++;
}
return false;
}
// lighter version of the same method
public synchronized boolean haveEncounteredHeader(IPath projectPath, String filePath) {
SimpleLookupTable headerTable = indexStorage.getEncounteredHeaders();
// Path is already canonical per construction
ObjectSet headers = (ObjectSet) headerTable.get(projectPath);
if (headers == null) {
//First time for the project, must create a new ObjectSet
headers = new ObjectSet(4);
headerTable.put(projectPath, headers);
}
if (headers.containsKey(filePath)) {
trimed++;
return true;
}
return false;
}
/**

20
core/org.eclipse.cdt.core/index/org/eclipse/cdt/internal/core/index/domsourceindexer/IndexEncoderUtil.java
View file

@ -15,7 +15,6 @@ import org.eclipse.cdt.core.dom.ast.IASTFileLocation;
import org.eclipse.cdt.core.dom.ast.IASTNode;
import org.eclipse.cdt.internal.core.index.cindexstorage.IndexedFileEntry;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
public class IndexEncoderUtil {
@ -73,26 +72,29 @@ public class IndexEncoderUtil {
public static IASTFileLocation getFileLocation(IASTNode node) {
return node.getFileLocation();
}
/*
* This method is never called
*
public static boolean nodeInExternalHeader(IASTNode node) {
String fileName = node.getContainingFilename();
return (CCorePlugin.getWorkspace().getRoot().getFileForLocation(new Path(fileName)) == null)
? true : false;
}
*/
static private boolean visitedExternalHeader = false;
static private String lastVisitedFile = null;
static private String wspLocation = CCorePlugin.getWorkspace().getRoot().getLocation().toOSString();
public static boolean nodeInVisitedExternalHeader(IASTNode node, DOMSourceIndexer indexer) {
String fileName = node.getContainingFilename();
if (fileName.equals(lastVisitedFile)) {
// if file is the same as before, return previous result.
if (fileName.equals(lastVisitedFile)) {
return visitedExternalHeader;
}
lastVisitedFile = fileName;
IPath filePath = new Path(fileName);
IPath projectPath = indexer.getProject().getFullPath();
visitedExternalHeader = (CCorePlugin.getWorkspace().getRoot().getFileForLocation(filePath) == null) &&
indexer.haveEncounteredHeader(projectPath, filePath, false);
// If file is external, check whether it's encountered
visitedExternalHeader = (!fileName.startsWith(wspLocation)) && indexer.haveEncounteredHeader(indexer.getProject().getFullPath(), fileName);
return visitedExternalHeader;
}