/*
* Copyright 2013-2016 Sergey Ignatov, Alexander Zolotov, Florin Patan
*
* 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 com.goide.inspections;
import com.goide.psi.GoLiteral;
import com.goide.psi.GoStringLiteral;
import com.goide.psi.GoVisitor;
import com.intellij.codeInspection.LocalInspectionToolSession;
import com.intellij.codeInspection.ProblemsHolder;
import com.intellij.psi.PsiElement;
import com.intellij.psi.impl.source.tree.LeafPsiElement;
import org.jetbrains.annotations.NotNull;
public class GoInvalidStringOrCharInspection extends GoInspectionBase {
@NotNull
@Override
protected GoVisitor buildGoVisitor(@NotNull ProblemsHolder holder,
@SuppressWarnings({"UnusedParameters", "For future"}) @NotNull LocalInspectionToolSession session) {
return new GoVisitor() {
@Override
public void visitStringLiteral(@NotNull GoStringLiteral o) {
PsiElement s = o.getString();
if (s instanceof LeafPsiElement) {
int length = ((LeafPsiElement)s).getCachedLength();
if (length == 1 || ((LeafPsiElement)s).charAt(length - 1) != '"') {
holder.registerProblem(s, "New line in string");
}
}
}
@Override
public void visitLiteral(@NotNull GoLiteral o) {
PsiElement c = o.getChar();
if (c instanceof LeafPsiElement) {
int length = ((LeafPsiElement)c).getCachedLength();
if (length == 3 && ((LeafPsiElement)c).charAt(1) == '\'') {
holder.registerProblem(c, "Empty character literal or unescaped ' in character literal");
}
if (length < 3) {
holder.registerProblem(c, "Missing '");
}
}
}
};
}
}