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performance: do not compute method.getText()

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This commit is contained in:
Alexey Kudravtsev
2012-06-14 15:34:41 +04:00
parent dab0a315e1
commit b56c1eb339
2 changed files with 39 additions and 24 deletions
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java/java-impl/src/com/intellij/codeInsight/daemon/impl/JavaLineMarkerProvider.java
+24 -16
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@@ -22,6 +22,7 @@ import com.intellij.codeInsight.daemon.LineMarkerProvider;
import com.intellij.codeInsight.daemon.MergeableLineMarkerInfo;
import com.intellij.icons.AllIcons;
import com.intellij.openapi.application.ApplicationManager;
import com.intellij.openapi.editor.Document;
import com.intellij.openapi.editor.colors.CodeInsightColors;
import com.intellij.openapi.editor.colors.EditorColorsManager;
import com.intellij.openapi.editor.colors.EditorColorsScheme;
@@ -32,6 +33,8 @@ import com.intellij.openapi.project.DumbAware;
import com.intellij.openapi.project.DumbService;
import com.intellij.openapi.project.IndexNotReadyException;
import com.intellij.openapi.util.Pair;
import com.intellij.openapi.util.TextRange;
import com.intellij.openapi.util.text.StringUtil;
import com.intellij.psi.*;
import com.intellij.psi.search.searches.AllOverridingMethodsSearch;
import com.intellij.psi.search.searches.ClassInheritorsSearch;
@@ -71,8 +74,9 @@ public class JavaLineMarkerProvider implements LineMarkerProvider, DumbAware {
@Override
@Nullable
public LineMarkerInfo getLineMarkerInfo(@NotNull final PsiElement element) {
if (element instanceof PsiIdentifier && element.getParent() instanceof PsiMethod) {
PsiMethod method = (PsiMethod)element.getParent();
PsiElement parent;
if (element instanceof PsiIdentifier && (parent = element.getParent()) instanceof PsiMethod) {
PsiMethod method = (PsiMethod)parent;
MethodSignatureBackedByPsiMethod superSignature = null;
try {
superSignature = SuperMethodsSearch.search(method, null, true, false).findFirst();
@@ -101,13 +105,19 @@ public class JavaLineMarkerProvider implements LineMarkerProvider, DumbAware {
}
}
if (isMember && !(element1 instanceof PsiAnonymousClass || element1.getParent() instanceof PsiAnonymousClass)) {
PsiFile file = element1.getContainingFile();
Document document = file == null ? null : PsiDocumentManager.getInstance(file.getProject()).getDocument(file);
boolean drawSeparator = false;
int category = getCategory(element1);
for (PsiElement child = element1.getPrevSibling(); child != null; child = child.getPrevSibling()) {
int category1 = getCategory(child);
if (category1 == 0) continue;
drawSeparator = category != 1 || category1 != 1;
break;
if (document != null) {
CharSequence documentChars = document.getCharsSequence();
int category = getCategory(element1, documentChars);
for (PsiElement child = element1.getPrevSibling(); child != null; child = child.getPrevSibling()) {
int category1 = getCategory(child, documentChars);
if (category1 == 0) continue;
drawSeparator = category != 1 || category1 != 1;
break;
}
}
if (drawSeparator) {
@@ -125,20 +135,18 @@ public class JavaLineMarkerProvider implements LineMarkerProvider, DumbAware {
return null;
}
protected static int getCategory(PsiElement element) {
protected static int getCategory(@NotNull PsiElement element, @NotNull CharSequence documentChars) {
if (element instanceof PsiField || element instanceof PsiTypeParameter) return 1;
if (element instanceof PsiClass || element instanceof PsiClassInitializer) return 2;
if (element instanceof PsiMethod) {
if (((PsiMethod)element).hasModifierProperty(PsiModifier.ABSTRACT)) {
return 1;
}
String text = element.getText();
if (text.indexOf('\n') < 0 && text.indexOf('\r') < 0) {
return 1;
}
else {
return 2;
}
TextRange textRange = element.getTextRange();
int start = textRange.getStartOffset();
int end = Math.min(documentChars.length(), textRange.getEndOffset());
int crlf = StringUtil.getLineBreakCount(documentChars.subSequence(start, end));
return crlf == 0 ? 1 : 2;
}
return 0;
}