package com.simpleplugin;
import com.intellij.lang.ASTNode;
import com.intellij.lang.Language;
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 com.simpleplugin.parser.SimpleParser;
import com.simpleplugin.psi.SimpleFile;
import com.simpleplugin.psi.SimpleTypes;
import org.jetbrains.annotations.NotNull;
public class SimpleParserDefinition implements ParserDefinition{
public static final TokenSet WHITE_SPACES = TokenSet.create(TokenType.WHITE_SPACE);
public static final TokenSet COMMENTS = TokenSet.create(SimpleTypes.COMMENT);
public static final IFileElementType FILE = new IFileElementType(Language.<SimpleLanguage>findInstance(SimpleLanguage.class));
@NotNull
@Override
public Lexer createLexer(Project project) {
return new SimpleLexerAdapter();
}
@NotNull
public TokenSet getWhitespaceTokens() {
return WHITE_SPACES;
}
@NotNull
public TokenSet getCommentTokens() {
return COMMENTS;
}
@NotNull
public TokenSet getStringLiteralElements() {
return TokenSet.EMPTY;
}
@NotNull
public PsiParser createParser(final Project project) {
return new SimpleParser();
}
@Override
public IFileElementType getFileNodeType() {
return FILE;
}
public PsiFile createFile(FileViewProvider viewProvider) {
return new SimpleFile(viewProvider);
}
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) {
return SpaceRequirements.MAY;
}
@NotNull
public PsiElement createElement(ASTNode node) {
return SimpleTypes.Factory.createElement(node);
}
}