/*
* Copyright 2013-2016 consulo.io
*
* 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 consulo.sandboxPlugin.lang.parser;
import com.intellij.lang.*;
import com.intellij.openapi.util.Pair;
import com.intellij.psi.tree.IElementType;
import consulo.lang.LanguageVersion;
import org.jetbrains.annotations.NotNull;
import consulo.sandboxPlugin.lang.psi.SandTokens;
import java.util.List;
/**
* @author VISTALL
* @since 19.03.14
*/
public class SandParser implements PsiParser {
private List<Pair<IElementType, IElementType>> myPairs;
public SandParser(List<Pair<IElementType, IElementType>> list) {
myPairs = list;
}
@NotNull
@Override
public ASTNode parse(@NotNull IElementType root, @NotNull PsiBuilder builder, @NotNull LanguageVersion languageVersion) {
PsiBuilder.Marker mark = builder.mark();
while (!builder.eof()) {
boolean find = false;
for (Pair<IElementType, IElementType> pair : myPairs) {
if (builder.getTokenType() == pair.getFirst()) {
PsiBuilder.Marker defMark = builder.mark();
builder.advanceLexer();
if (!PsiBuilderUtil.expect(builder, SandTokens.IDENTIFIER)) {
builder.error("Identifier expected");
}
defMark.done(pair.getSecond());
find = true;
}
}
if(!find) {
builder.error("Expected start token");
builder.advanceLexer();
}
}
mark.done(root);
return builder.getTreeBuilt();
}
}