Package vektah.rust

Source Code of vektah.rust.RustParserDefinition

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;
  }
}
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