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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package org.intellij.sdk.language.parser;
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.intellij.sdk.language.SdLanguage;
import org.intellij.sdk.language.SdLexerAdapter;
import org.intellij.sdk.language.psi.SdFile;
import org.intellij.sdk.language.psi.SdTypes;
import org.jetbrains.annotations.NotNull;
/**
* This class is used for the extension (in plugin.xml), to make the parsing process use the plugin code.
* @author shahariel
*/
public class SdParserDefinition implements ParserDefinition {
public static final TokenSet WHITE_SPACES = TokenSet.create(TokenType.WHITE_SPACE);
public static final TokenSet COMMENTS = TokenSet.create(SdTypes.COMMENT);
public static final TokenSet STRINGS = TokenSet.create(SdTypes.STRING_REG);
public static final IFileElementType FILE = new IFileElementType(SdLanguage.INSTANCE);
@NotNull
@Override
public Lexer createLexer(Project project) {
return new SdLexerAdapter();
}
@NotNull
@Override
public PsiParser createParser(final Project project) {
return new SdParser();
}
@NotNull
@Override
public TokenSet getWhitespaceTokens() {
return WHITE_SPACES;
}
@NotNull
@Override
public TokenSet getCommentTokens() {
return COMMENTS;
}
@NotNull
@Override
public TokenSet getStringLiteralElements() {
return STRINGS;
}
@NotNull
@Override
public IFileElementType getFileNodeType() {
return FILE;
}
@NotNull
@Override
public PsiFile createFile(@NotNull FileViewProvider viewProvider) {
return new SdFile(viewProvider);
}
@NotNull
@Override
public SpaceRequirements spaceExistenceTypeBetweenTokens(ASTNode left, ASTNode right) {
return SpaceRequirements.MAY;
}
@NotNull
@Override
public PsiElement createElement(ASTNode node) {
return SdTypes.Factory.createElement(node);
}
}
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