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IDEA-82323: Syntax analysis slow for large XML files

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Dmitry Avdeev
2012-03-11 16:54:45 +04:00
parent 9048641283
commit ca1ac51fa8
1 changed files with 19 additions and 2 deletions
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xml/impl/src/com/intellij/xml/impl/schema/XmlElementDescriptorImpl.java
+19 -2
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@@ -16,18 +16,19 @@
package com.intellij.xml.impl.schema;
import com.intellij.codeInsight.daemon.Validator;
import com.intellij.openapi.util.Key;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.meta.PsiWritableMetaData;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.psi.util.*;
import com.intellij.psi.xml.*;
import com.intellij.util.ArrayUtil;
import com.intellij.util.IncorrectOperationException;
import com.intellij.xml.*;
import com.intellij.xml.util.XmlUtil;
import org.jetbrains.annotations.NonNls;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
/**
* @author Mike
@@ -44,6 +45,8 @@ public class XmlElementDescriptorImpl implements XmlElementDescriptor, PsiWritab
public static final String NONQUALIFIED_ATTR_VALUE = "unqualified";
@NonNls
private static final String ELEMENT_FORM_DEFAULT = "elementFormDefault";
private static final Key<ParameterizedCachedValue<XmlAttributeDescriptor[], XmlTag>> ATTRS_KEY = Key.create("attributes");
private ParameterizedCachedValueProvider<XmlAttributeDescriptor[],XmlTag> myCachedValueProvider;
public XmlElementDescriptorImpl(@Nullable XmlTag descriptorTag) {
myDescriptorTag = descriptorTag;
@@ -242,6 +245,20 @@ public class XmlElementDescriptorImpl implements XmlElementDescriptor, PsiWritab
}
public XmlAttributeDescriptor[] getAttributesDescriptors(final XmlTag context) {
if (myDescriptorTag == null) // TODO make it NotNull
return computeAttributeDescriptors(context);
CachedValuesManager manager = CachedValuesManager.getManager(myDescriptorTag.getProject());
myCachedValueProvider = new ParameterizedCachedValueProvider<XmlAttributeDescriptor[], XmlTag>() {
@Override
public CachedValueProvider.Result<XmlAttributeDescriptor[]> compute(XmlTag param) {
return CachedValueProvider.Result.createSingleDependency(computeAttributeDescriptors(param), myDescriptorTag.getContainingFile());
}
};
return manager.getParameterizedCachedValue(myDescriptorTag, ATTRS_KEY, myCachedValueProvider, false, context);
}
private XmlAttributeDescriptor[] computeAttributeDescriptors(XmlTag context) {
TypeDescriptor type = getType(context);
if (type instanceof ComplexTypeDescriptor) {