package com.haskforce.cabal.lang.parser;
import com.haskforce.cabal.CabalLanguage;
import com.haskforce.cabal.lang.lexer.CabalParsingLexer;
import com.haskforce.cabal.lang.psi.CabalElementFactory;
import com.haskforce.cabal.lang.psi.CabalFile;
import com.haskforce.cabal.lang.psi.CabalTypes;
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.IFileElementType;
import com.intellij.psi.tree.TokenSet;
import org.jetbrains.annotations.NotNull;
public class CabalParserDefinition implements ParserDefinition {
// NOTE: You must use CabalLanguage.INSTANCE instead of Language.findInstance()
// since the language may not have been initialized yet.
public static final IFileElementType FILE = new IFileElementType(CabalLanguage.INSTANCE);
@NotNull
@Override
public Lexer createLexer(Project project) {
return new CabalParsingLexer();
}
@Override
public PsiParser createParser(Project project) {
return new CabalParser();
}
@Override
public IFileElementType getFileNodeType() {
return FILE;
}
@NotNull
@Override
public TokenSet getWhitespaceTokens() {
return TokenSet.create(TokenType.WHITE_SPACE);
}
@NotNull
@Override
public TokenSet getCommentTokens() {
return TokenSet.create(CabalTypes.COMMENT);
}
@NotNull
@Override
public TokenSet getStringLiteralElements() {
return TokenSet.EMPTY;
}
@NotNull
@Override
public PsiElement createElement(ASTNode node) {
return CabalElementFactory.createElement(node);
}
@Override
public PsiFile createFile(FileViewProvider viewProvider) {
return new CabalFile(viewProvider);
}
@Override
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
return SpaceRequirements.MAY;
}
}