/*
* Copyright 2012-2014 Sergey Ignatov
*
* 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.erlang;
import com.intellij.lang.ASTNode;
import com.intellij.lang.ParserDefinition;
import com.intellij.lang.PsiParser;
import com.intellij.lexer.Lexer;
import com.intellij.openapi.project.Project;
import com.intellij.psi.FileViewProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.TokenType;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.tree.IFileElementType;
import com.intellij.psi.tree.TokenSet;
import org.intellij.erlang.parser.ErlangLexer;
import org.intellij.erlang.parser.ErlangParser;
import org.intellij.erlang.psi.ErlangTokenType;
import org.intellij.erlang.psi.impl.ErlangFileImpl;
import org.intellij.erlang.stubs.types.ErlangFileElementType;
import org.jetbrains.annotations.NotNull;
public class ErlangParserDefinition implements ParserDefinition {
public static final TokenSet WS = TokenSet.create(TokenType.WHITE_SPACE);
public static final IElementType ERL_SHEBANG = new ErlangTokenType("ERL_SHEBANG");
public static final IElementType ERL_COMMENT = new ErlangTokenType("ERL_LINE_COMMENT");
public static final IElementType ERL_FUNCTION_DOC_COMMENT = new ErlangTokenType("function_doc_comment");
public static final IElementType ERL_MODULE_DOC_COMMENT = new ErlangTokenType("module_doc_comment");
public static final TokenSet COMMENTS = TokenSet.create(ERL_COMMENT, ERL_FUNCTION_DOC_COMMENT, ERL_MODULE_DOC_COMMENT, ERL_SHEBANG);
public static final TokenSet LITERALS = TokenSet.create(ErlangTypes.ERL_STRING);
@NotNull
@Override
public Lexer createLexer(Project project) {
return new ErlangLexer();
}
@Override
public PsiParser createParser(Project project) {
return new ErlangParser();
}
@Override
public IFileElementType getFileNodeType() {
return ErlangFileElementType.INSTANCE;
}
@NotNull
@Override
public TokenSet getWhitespaceTokens() {
return WS;
}
@NotNull
@Override
public TokenSet getCommentTokens() {
return COMMENTS;
}
@NotNull
@Override
public TokenSet getStringLiteralElements() {
return LITERALS;
}
@NotNull
@Override
public PsiElement createElement(ASTNode astNode) {
return ErlangTypes.Factory.createElement(astNode);
}
@Override
public PsiFile createFile(FileViewProvider fileViewProvider) {
return new ErlangFileImpl(fileViewProvider);
}
@Override
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode astNode, ASTNode astNode1) {
return SpaceRequirements.MAY;
}
}