package org.elmlang.intellijplugin; 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.IElementType; import com.intellij.psi.tree.IFileElementType; import com.intellij.psi.tree.TokenSet; import org.elmlang.intellijplugin.manualParsing.ElmManualPsiElementFactory; import org.elmlang.intellijplugin.parser.ElmParser; import org.elmlang.intellijplugin.psi.ElmFile; import org.elmlang.intellijplugin.psi.ElmTypes; import org.jetbrains.annotations.NotNull; public class ElmParserDefinition implements ParserDefinition { public static final TokenSet WHITE_SPACES = TokenSet.create(TokenType.WHITE_SPACE); public static final TokenSet COMMENTS = TokenSet.create( ElmTypes.LINE_COMMENT, ElmTypes.START_COMMENT, ElmTypes.START_DOC_COMMENT, ElmTypes.END_COMMENT, ElmTypes.COMMENT_CONTENT ); public static final IFileElementType FILE = new IFileElementType(Language.<ElmLanguage>findInstance(ElmLanguage.class)); @NotNull @Override public Lexer createLexer(Project project) { return new ElmLexerAdapter(); } @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 ElmParser(); } @Override public IFileElementType getFileNodeType() { return FILE; } public PsiFile createFile(FileViewProvider viewProvider) { return new ElmFile(viewProvider); } public SpaceRequirements spaceExistanceTypeBetweenTokens(ASTNode left, ASTNode right) { return SpaceRequirements.MAY; } @NotNull public PsiElement createElement(ASTNode node) { PsiElement element = ElmManualPsiElementFactory.createElement(node); return element == null ? ElmTypes.Factory.createElement(node) : element; } }