com.puppycrawl.tools.checkstyle.grammars.javadoc.JavadocLexer.g4 Maven / Gradle / Ivy

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Checkstyle is a development tool to help programmers write Java code that adheres to a coding standard

There is a newer version: 10.18.1

lexer grammar JavadocLexer;

@lexer::header {
import java.util.*;
}

@lexer::members {
      boolean recognizeXmlTags = true;
      boolean isJavadocTagAvailable = true;
      int insideJavadocInlineTag = 0;
      boolean insidePreTag = false;
      boolean referenceCatched = false;

      boolean insideReferenceArguments = false;

      boolean htmlTagNameCatched = false;
      boolean attributeCatched = false;

      int previousTokenType = 0;
      int previousToPreviousTokenType = 0;

      public void emit(Token token) {
            super.emit(token);
            previousToPreviousTokenType = previousTokenType;
            previousTokenType = token.getType();

            if (previousTokenType == NEWLINE) {
                  isJavadocTagAvailable = true;
            } else if (previousTokenType != WS && previousTokenType != LEADING_ASTERISK) {
                  isJavadocTagAvailable = false;
            }
      }

      public void skipCurrentTokenConsuming() {
            _input.seek(_input.index() - 1);
      }

}

LEADING_ASTERISK : ( (' '|'\t') {_tokenStartCharPositionInLine == 0}? ) (' '|'\t')* '*'
      | '*' {_tokenStartCharPositionInLine == 0}?
      ;

HTML_COMMENT_START : '' -> mode(DEFAULT_MODE);
LeadingAst: LEADING_ASTERISK -> type(LEADING_ASTERISK);
Newline6: NEWLINE -> type(NEWLINE);
WhiteSpace: WS -> type(WS);
CommentChar: . -> type(CHAR);