/*
* Copyright 2011-2014 Gregory Shrago
*
* 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.intellij.jflex.editor;
import com.intellij.lang.annotation.AnnotationHolder;
import com.intellij.lang.annotation.Annotator;
import com.intellij.openapi.project.DumbAware;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiReference;
import org.intellij.jflex.psi.*;
import org.intellij.jflex.psi.impl.JFlexPsiImplUtil;
import org.jetbrains.annotations.NotNull;
/**
* @author gregsh
*/
public class JFlexAnnotator implements Annotator, DumbAware {
@Override
public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
PsiElement parent = element.getParent();
if (parent instanceof JFlexMacroDefinition && element == ((JFlexMacroDefinition)parent).getNameIdentifier()) {
holder.createInfoAnnotation(element, null).setTextAttributes(JFlexSyntaxHighlighterFactory.MACRO);
}
else if (element instanceof JFlexMacroRefExpression) {
PsiElement resolve = ((JFlexMacroRefExpression)element).getMacroReference().getReference().resolve();
holder.createInfoAnnotation(element, null).setTextAttributes(JFlexSyntaxHighlighterFactory.MACRO);
if (resolve == null) {
holder.createWarningAnnotation(element, "Unresolved macro reference");
}
}
else if (element instanceof JFlexStateDefinition) {
holder.createInfoAnnotation(((JFlexStateDefinition)element).getNameIdentifier(), null).setTextAttributes(JFlexSyntaxHighlighterFactory.STATE);
}
else if (element instanceof JFlexStateReference) {
boolean isYYINITIAL = JFlexPsiImplUtil.isYYINITIAL((JFlexStateReference)element);
PsiReference reference = isYYINITIAL ? null : element.getReference();
PsiElement resolve = reference == null ? null : reference.resolve();
holder.createInfoAnnotation(element, null).setTextAttributes(JFlexSyntaxHighlighterFactory.STATE);
if (!isYYINITIAL && resolve == null) {
holder.createWarningAnnotation(element, "Unresolved state reference");
}
}
else if (element instanceof JFlexClassExpression) {
holder.createInfoAnnotation(element, null).setTextAttributes(JFlexSyntaxHighlighterFactory.CLASS);
}
else if (element instanceof JFlexJavaCode || element instanceof JFlexJavaFqn) {
holder.createInfoAnnotation(element, null).setTextAttributes(JFlexSyntaxHighlighterFactory.CODE);
}
}
}