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optimization: getName()

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This commit is contained in:
Alexey Kudravtsev
2012-06-04 13:20:27 +04:00
parent 1206e85070
commit 0316e264fc
1 changed files with 36 additions and 20 deletions
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java/java-psi-impl/src/com/intellij/psi/impl/source/PsiClassImpl.java
+36 -20
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@@ -55,9 +55,9 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
private final ClassInnerStuffCache myInnersCache = new ClassInnerStuffCache(this);
private PsiMethod myValuesMethod = null;
private PsiMethod myValueOfMethod = null;
private volatile String myCachedForLongName = null;
private volatile PsiMethod myValuesMethod;
private volatile PsiMethod myValueOfMethod;
private volatile String myCachedName;
@NonNls private static final String VALUES_METHOD = "values";
@NonNls private static final String VALUE_OF_METHOD = "valueOf";
@@ -81,7 +81,9 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
private void dropCaches() {
myInnersCache.dropCaches();
myCachedForLongName = null;
myCachedName = null;
myValueOfMethod = null;
myValuesMethod = null;
}
@Override
@@ -147,13 +149,18 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
@Override
public String getName() {
String name = myCachedName;
if (name != null) return name;
final PsiClassStub stub = getStub();
if (stub != null) {
return stub.getName();
if (stub == null) {
PsiIdentifier identifier = getNameIdentifier();
name = identifier == null ? null : identifier.getText();
}
PsiIdentifier identifier = getNameIdentifier();
return identifier != null ? identifier.getText() : null;
else {
name = stub.getName();
}
myCachedName = name;
return name;
}
@Override
@@ -470,24 +477,16 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
String name = getName();
if (name != null) {
try {
if (myValuesMethod == null || myValueOfMethod == null || !name.equals(myCachedForLongName)) {
myCachedForLongName = name;
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
final PsiMethod valuesMethod = elementFactory.createMethodFromText("public static " + name + "[] values() {}", this);
myValuesMethod = new LightMethod(getManager(), valuesMethod, this);
final PsiMethod valueOfMethod = elementFactory.createMethodFromText("public static " + name + " valueOf(String name) throws IllegalArgumentException {}", this);
myValueOfMethod = new LightMethod(getManager(), valueOfMethod, this);
}
final NameHint nameHint = processor.getHint(NameHint.KEY);
final ElementClassHint classHint = processor.getHint(ElementClassHint.KEY);
if (nameHint == null || VALUES_METHOD.equals(nameHint.getName(state))) {
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.METHOD)) {
if (!processor.execute(myValuesMethod, ResolveState.initial())) return false;
if (!processor.execute(getValuesMethod(), ResolveState.initial())) return false;
}
}
if (nameHint == null || VALUE_OF_METHOD.equals(nameHint.getName(state))) {
if (classHint == null || classHint.shouldProcess(ElementClassHint.DeclarationKind.METHOD)) {
if (!processor.execute(myValueOfMethod, ResolveState.initial())) return false;
if (!processor.execute(getValueOfMethod(), ResolveState.initial())) return false;
}
}
}
@@ -687,6 +686,23 @@ public class PsiClassImpl extends JavaStubPsiElement<PsiClassStub<?>> implements
@Nullable
public PsiMethod getValuesMethod() {
return myValuesMethod;
PsiMethod method = myValuesMethod;
if (method == null && isEnum() && getName() != null) {
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
final PsiMethod valuesMethod = elementFactory.createMethodFromText("public static " + getName() + "[] values() {}", this);
myValuesMethod = method = new LightMethod(getManager(), valuesMethod, this);
}
return method;
}
@Nullable
public PsiMethod getValueOfMethod() {
PsiMethod method = myValueOfMethod;
if (method == null && isEnum() && getName() != null) {
PsiElementFactory elementFactory = JavaPsiFacade.getInstance(getProject()).getElementFactory();
final PsiMethod valuesMethod = elementFactory.createMethodFromText("public static " + getName() + " valueOf(String name) throws IllegalArgumentException {}", this);
myValueOfMethod = method = new LightMethod(getManager(), valuesMethod, this);
}
return method;
}
}