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cache unsuccessful parses

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This commit is contained in:
Alexey Kudravtsev
2012-11-28 19:07:40 +04:00
parent 5ac61a1eab
commit 9abd12c319
1 changed files with 52 additions and 60 deletions
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java/java-indexing-impl/src/com/intellij/codeInsight/BaseExternalAnnotationsManager.java
+52 -60
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@@ -30,7 +30,6 @@ import com.intellij.psi.util.PsiFormatUtil;
import com.intellij.psi.util.PsiTreeUtil;
import com.intellij.util.ConcurrencyUtil;
import com.intellij.util.IncorrectOperationException;
import com.intellij.util.StringBuilderSpinAllocator;
import com.intellij.util.ThreeState;
import com.intellij.util.containers.ConcurrentSoftHashMap;
import com.intellij.util.containers.ConcurrentSoftValueHashMap;
@@ -72,33 +71,28 @@ public class BaseExternalAnnotationsManager extends ExternalAnnotationsManager {
@Nullable
protected static String getNormalizedExternalName(@NotNull PsiModifierListOwner owner) {
String externalName = getExternalName(owner, true);
if (externalName != null) {
if (owner instanceof PsiParameter && owner.getParent() instanceof PsiParameterList) {
final PsiMethod method = PsiTreeUtil.getParentOfType(owner, PsiMethod.class);
if (method != null) {
externalName =
externalName.substring(0, externalName.lastIndexOf(' ') + 1) + method.getParameterList().getParameterIndex((PsiParameter)owner);
}
}
final int idx = externalName.indexOf('(');
if (idx == -1) return externalName;
final StringBuilder buf = StringBuilderSpinAllocator.alloc();
try {
final int rightIdx = externalName.indexOf(')');
final String[] params = externalName.substring(idx + 1, rightIdx).split(",");
buf.append(externalName.substring(0, idx + 1));
for (String param : params) {
param = param.trim();
final int spaceIdx = param.indexOf(' ');
buf.append(spaceIdx > -1 ? param.substring(0, spaceIdx) : param).append(", ");
}
return StringUtil.trimEnd(buf.toString(), ", ") + externalName.substring(rightIdx);
}
finally {
StringBuilderSpinAllocator.dispose(buf);
if (externalName == null) {
return null;
}
if (owner instanceof PsiParameter && owner.getParent() instanceof PsiParameterList) {
final PsiMethod method = PsiTreeUtil.getParentOfType(owner, PsiMethod.class);
if (method != null) {
externalName =
externalName.substring(0, externalName.lastIndexOf(' ') + 1) + method.getParameterList().getParameterIndex((PsiParameter)owner);
}
}
return externalName;
final int idx = externalName.indexOf('(');
if (idx == -1) return externalName;
StringBuilder buf = new StringBuilder();
int rightIdx = externalName.indexOf(')');
String[] params = externalName.substring(idx + 1, rightIdx).split(",");
buf.append(externalName.substring(0, idx + 1));
for (String param : params) {
param = param.trim();
final int spaceIdx = param.indexOf(' ');
buf.append(spaceIdx > -1 ? param.substring(0, spaceIdx) : param).append(", ");
}
return StringUtil.trimEnd(buf.toString(), ", ") + externalName.substring(rightIdx);
}
protected boolean hasAnyAnnotationsRoots() {
@@ -151,56 +145,54 @@ public class BaseExternalAnnotationsManager extends ExternalAnnotationsManager {
return map;
}
private static final MultiMap<String, AnnotationData> EMPTY = new MultiMap<String, AnnotationData>();
private ConcurrentMap<PsiFile, Pair<MultiMap<String, AnnotationData>, Long>> annotationsFileToDataAndModificationStamp = new ConcurrentSoftHashMap<PsiFile, Pair<MultiMap<String, AnnotationData>, Long>>();
private final ConcurrentMap<PsiFile, Pair<MultiMap<String, AnnotationData>, Long>> annotationsFileToDataAndModificationStamp = new ConcurrentSoftHashMap<PsiFile, Pair<MultiMap<String, AnnotationData>, Long>>();
@NotNull
private MultiMap<String, AnnotationData> getDataFromFile(@NotNull PsiFile file) {
Pair<MultiMap<String, AnnotationData>, Long> cached = annotationsFileToDataAndModificationStamp.get(file);
if (cached != null && cached.getSecond() == file.getModificationStamp()) {
return cached.getFirst();
}
Document document;
MultiMap<String, AnnotationData> data = new MultiMap<String, AnnotationData>();
try {
VirtualFile virtualFile = file.getVirtualFile();
if (virtualFile == null) return EMPTY;
document = JDOMUtil.loadDocument(escapeAttributes(StreamUtil.readText(virtualFile.getInputStream())));
if (virtualFile != null) {
Document document = JDOMUtil.loadDocument(escapeAttributes(StreamUtil.readText(virtualFile.getInputStream())));
Element rootElement = document.getRootElement();
if (rootElement != null) {
//noinspection unchecked
for (Element element : (List<Element>) rootElement.getChildren()) {
String ownerName = element.getAttributeValue("name");
if (ownerName == null) continue;
//noinspection unchecked
for (Element annotationElement : (List<Element>) element.getChildren()) {
String annotationFQN = annotationElement.getAttributeValue("name");
if (StringUtil.isEmpty(annotationFQN)) continue;
StringBuilder buf = new StringBuilder();
//noinspection unchecked
for (Element annotationParameter : (List<Element>) annotationElement.getChildren()) {
buf.append(",");
String nameValue = annotationParameter.getAttributeValue("name");
if (nameValue != null) {
buf.append(nameValue).append("=");
}
buf.append(annotationParameter.getAttributeValue("val"));
}
String annotationText = "@" + annotationFQN + (buf.length() > 0 ? "(" + StringUtil.trimStart(buf.toString(), ",") + ")" : "");
data.putValue(ownerName, new AnnotationData(annotationFQN, annotationText));
}
}
}
}
}
catch (IOException e) {
LOG.error(e);
return EMPTY;
}
catch (JDOMException e) {
LOG.error(e);
return EMPTY;
}
Element rootElement = document.getRootElement();
if (rootElement == null) return EMPTY;
MultiMap<String, AnnotationData> data = new MultiMap<String, AnnotationData>();
//noinspection unchecked
for (Element element : (List<Element>) rootElement.getChildren()) {
String ownerName = element.getAttributeValue("name");
if (ownerName == null) continue;
//noinspection unchecked
for (Element annotationElement : (List<Element>) element.getChildren()) {
String annotationFQN = annotationElement.getAttributeValue("name");
if (StringUtil.isEmpty(annotationFQN)) continue;
StringBuilder buf = new StringBuilder();
//noinspection unchecked
for (Element annotationParameter : (List<Element>) annotationElement.getChildren()) {
buf.append(",");
String nameValue = annotationParameter.getAttributeValue("name");
if (nameValue != null) {
buf.append(nameValue).append("=");
}
buf.append(annotationParameter.getAttributeValue("val"));
}
String annotationText = "@" + annotationFQN + (buf.length() > 0 ? "(" + StringUtil.trimStart(buf.toString(), ",") + ")" : "");
data.putValue(ownerName, new AnnotationData(annotationFQN, annotationText));
}
if (data.isEmpty()) {
data = MultiMap.emptyInstance();
}
Pair<MultiMap<String, AnnotationData>, Long> pair = Pair.create(data, file.getModificationStamp());
pair = ConcurrencyUtil.cacheOrGet(annotationsFileToDataAndModificationStamp, file, pair);
data = pair.first;