org.jetbrains.jet.lang.resolve.AnalyzingUtils Maven / Gradle / Ivy
/*
* Copyright 2010-2013 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.jet.lang.resolve;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiErrorElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.jet.lang.diagnostics.Diagnostic;
import org.jetbrains.jet.lang.diagnostics.DiagnosticHolder;
import org.jetbrains.jet.lang.diagnostics.DiagnosticUtils;
import org.jetbrains.jet.lang.psi.JetTreeVisitorVoid;
import java.util.ArrayList;
import java.util.List;
public class AnalyzingUtils {
public abstract static class PsiErrorElementVisitor extends JetTreeVisitorVoid {
@Override
public abstract void visitErrorElement(PsiErrorElement element);
}
public static void checkForSyntacticErrors(@NotNull PsiElement root) {
root.acceptChildren(new PsiErrorElementVisitor() {
@Override
public void visitErrorElement(PsiErrorElement element) {
throw new IllegalArgumentException(element.getErrorDescription() + "; looking at " + element.getNode().getElementType() + " '" + element.getText() + DiagnosticUtils.atLocation(element));
}
});
}
public static List getSyntaxErrorRanges(@NotNull PsiElement root) {
final ArrayList r = new ArrayList();
root.acceptChildren(new PsiErrorElementVisitor() {
@Override
public void visitErrorElement(PsiErrorElement element) {
r.add(element);
}
});
return r;
}
public static void throwExceptionOnErrors(BindingContext bindingContext) {
for (Diagnostic diagnostic : bindingContext.getDiagnostics()) {
DiagnosticHolder.THROW_EXCEPTION.report(diagnostic);
}
}
// --------------------------------------------------------------------------------------------------------------------------
public static String formDebugNameForBindingTrace(@NotNull String debugName, @Nullable Object resolutionSubjectForMessage) {
if (resolutionSubjectForMessage instanceof PsiElement) {
resolutionSubjectForMessage = ((PsiElement) resolutionSubjectForMessage).getText();
}
if (resolutionSubjectForMessage != null) {
return debugName + " '" + resolutionSubjectForMessage + "'";
}
return debugName;
}
}