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Code Issues Wiki Activity

Improve performance for storing large classes in index, 287907.

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This commit is contained in:
Markus Schorn 2009-10-27 15:13:32 +00:00
parent 72a7fa5cd0
commit 3a0a069fb7
2 changed files with 47 additions and 28 deletions
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71
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassScope.java
View file

@ -50,12 +50,42 @@ import org.eclipse.cdt.internal.core.index.IIndexScope;
import org.eclipse.cdt.internal.core.pdom.PDOM;
import org.eclipse.cdt.internal.core.pdom.dom.BindingCollector;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMBinding;
import org.eclipse.cdt.internal.core.pdom.dom.PDOMNode;
import org.eclipse.core.runtime.CoreException;
/**
* Represents the class scope for a class stored in the index.
*/
class PDOMCPPClassScope implements ICPPClassScope, IIndexScope {
private static final class PopulateMap implements IPDOMVisitor {
private final CharArrayMap<List<PDOMBinding>> fResult;
private PopulateMap(CharArrayMap<List<PDOMBinding>> result) {
fResult = result;
}
public boolean visit(IPDOMNode node) throws CoreException {
if (node instanceof PDOMBinding) {
final PDOMBinding binding= (PDOMBinding) node;
final char[] nchars = binding.getNameCharArray();
List<PDOMBinding> list= fResult.get(nchars);
if (list == null) {
list= new ArrayList<PDOMBinding>();
fResult.put(nchars, list);
}
list.add(binding);
try {
if (binding instanceof ICompositeType && ((ICompositeType) binding).isAnonymous()) {
return true; // visit children
}
} catch (DOMException e) {
}
}
return false;
}
public void leave(IPDOMNode node){}
}
private static final IndexFilter CONVERSION_FILTER = new DeclaredBindingsFilter(ILinkage.CPP_LINKAGE_ID, true, false) {
@Override
public boolean acceptBinding(IBinding binding) throws CoreException {
@ -186,6 +216,19 @@ class PDOMCPPClassScope implements ICPPClassScope, IIndexScope {
}
}
public static void updateCache(IPDOMCPPClassType ct, PDOMNode member) throws CoreException {
if (member instanceof PDOMBinding) {
final Long key= ct.getRecord() + PDOMCPPLinkage.CACHE_MEMBERS;
final PDOM pdom = ct.getPDOM();
@SuppressWarnings("unchecked")
Reference<CharArrayMap<List<PDOMBinding>>> cached= (Reference<CharArrayMap<List<PDOMBinding>>>) pdom.getCachedResult(key);
CharArrayMap<List<PDOMBinding>> map= cached == null ? null : cached.get();
if (map != null) {
new PopulateMap(map).visit(member);
}
}
}
public static CharArrayMap<List<PDOMBinding>> getBindingMap(IPDOMCPPClassType ct) throws CoreException {
final Long key= ct.getRecord() + PDOMCPPLinkage.CACHE_MEMBERS;
final PDOM pdom = ct.getPDOM();
@ -195,34 +238,10 @@ class PDOMCPPClassScope implements ICPPClassScope, IIndexScope {
if (map == null) {
// there is no cache, build it:
final CharArrayMap<List<PDOMBinding>> result= new CharArrayMap<List<PDOMBinding>>();
IPDOMVisitor visitor= new IPDOMVisitor() {
public boolean visit(IPDOMNode node) throws CoreException {
if (node instanceof PDOMBinding) {
final PDOMBinding binding= (PDOMBinding) node;
final char[] nchars = binding.getNameCharArray();
List<PDOMBinding> list= result.get(nchars);
if (list == null) {
list= new ArrayList<PDOMBinding>();
result.put(nchars, list);
}
list.add(binding);
try {
if (binding instanceof ICompositeType && ((ICompositeType) binding).isAnonymous()) {
return true; // visit children
}
} catch (DOMException e) {
}
}
return false;
}
public void leave(IPDOMNode node){}
};
map= new CharArrayMap<List<PDOMBinding>>();
IPDOMVisitor visitor= new PopulateMap(map);
visitor.visit(ct);
ct.acceptUncached(visitor);
map= result;
pdom.putCachedResult(key, new SoftReference<CharArrayMap<?>>(map));
}
return map;

4
core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/pdom/dom/cpp/PDOMCPPClassType.java
View file

@ -119,10 +119,10 @@ class PDOMCPPClassType extends PDOMCPPBinding implements IPDOMCPPClassType, IPDO
}
@Override
public void addChild(PDOMNode member) throws CoreException {
getPDOM().removeCachedResult(record + PDOMCPPLinkage.CACHE_MEMBERS);
public final void addChild(PDOMNode member) throws CoreException {
PDOMNodeLinkedList list = new PDOMNodeLinkedList(getLinkage(), record + MEMBERLIST);
list.addMember(member);
PDOMCPPClassScope.updateCache(this, member);
}
@Override