package vektah.rust;
import com.intellij.lang.ASTNode;
import com.intellij.lang.Language;
import com.intellij.lang.ParserDefinition;
import com.intellij.lang.PsiParser;
import com.intellij.lexer.FlexAdapter;
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;
import vektah.rust.psi.RustFile;
import vektah.rust.psi.RustTokens;
import java.io.Reader;
public class RustParserDefinition implements ParserDefinition {
public static final TokenSet WHITE_SPACES = TokenSet.create(TokenType.WHITE_SPACE);
public static final TokenSet COMMENTS = TokenSet.create(RustTokens.BLOCK_COMMENT, RustTokens.LINE_COMMENT);
public static final IFileElementType FILE = new IFileElementType(Language.findInstance(RustLanguage.class));
@NotNull
@Override
public Lexer createLexer(Project project) {
return new FlexAdapter(new RustLexer((Reader) null));
}
@Override
public PsiParser createParser(Project project) {
return new RustParser();
}
@Override
public IFileElementType getFileNodeType() {
return FILE;
}
@NotNull
@Override
public TokenSet getWhitespaceTokens() {
return WHITE_SPACES;
}
@NotNull
@Override
public TokenSet getCommentTokens() {
return COMMENTS;
}
@NotNull
@Override
public TokenSet getStringLiteralElements() {
return TokenSet.EMPTY;
}
@NotNull
@Override
public PsiElement createElement(ASTNode astNode) {
return RustTokens.Factory.createElement(astNode);
}
@Override
public PsiFile createFile(FileViewProvider fileViewProvider) {
return new RustFile(fileViewProvider);
}
@Override
public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode astNode, ASTNode astNode2) {
return SpaceRequirements.MAY;
}
}