Package com.dci.intellij.dbn.language.common.element.parser

Examples of com.dci.intellij.dbn.language.common.element.parser.ParserBuilder

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    public TokenElementTypeParser(TokenElementType elementType) {
        super(elementType);
    }

    public ParseResult parse(@NotNull ParsePathNode parentNode, boolean optional, int depth, ParserContext context) throws ParseException {
        ParserBuilder builder = context.getBuilder();
        logBegin(builder, optional, depth);

        TokenType tokenType = builder.getTokenType();
        if (tokenType == getElementType().getTokenType() || isDummyToken(builder.getTokenText())) {
            PsiBuilder.Marker marker = builder.mark(null);
            builder.advanceLexer(parentNode);
            return stepOut(marker, depth, ParseResultType.FULL_MATCH, 1, null, context);
        }
        return stepOut(null, depth, ParseResultType.NO_MATCH, 0, null, context);
    }
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    public IdentifierElementTypeParser(IdentifierElementType elementType) {
        super(elementType);
    }

    public ParseResult parse(@NotNull ParsePathNode parentNode, boolean optional, int depth, ParserContext context) throws ParseException {
        ParserBuilder builder = context.getBuilder();
        logBegin(builder, optional, depth);
        TokenType tokenType = builder.getTokenType();
        if (tokenType != null && !tokenType.isChameleon()){
            if (tokenType.isIdentifier()) {
                PsiBuilder.Marker marker = builder.mark(null);
                builder.advanceLexer(parentNode);
                return stepOut(marker, depth, ParseResultType.FULL_MATCH, 1, null, context);
            }
            else if (getElementType().isDefinition() || isSuppressibleReservedWord(tokenType, parentNode)) {
                PsiBuilder.Marker marker = builder.mark(null);
                builder.advanceLexer(parentNode);
                return stepOut(marker, depth, ParseResultType.FULL_MATCH, 1, null, context);
            }
        }
        return stepOut(null, depth, ParseResultType.NO_MATCH, 0, null, context);
    } 
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    public WrapperElementTypeParser(WrapperElementType elementType) {
        super(elementType);
    }

    public ParseResult parse(@NotNull ParsePathNode parentNode, boolean optional, int depth, ParserContext context) throws ParseException {
        ParserBuilder builder = context.getBuilder();
        logBegin(builder, optional, depth);
        ParsePathNode node = createParseNode(parentNode, builder.getCurrentOffset());
        PsiBuilder.Marker marker = builder.mark(null);

        boolean isWrappingOptional = getElementType().isWrappingOptional();
        ElementType wrappedElement = getElementType().getWrappedElement();
        ElementType beginTokenElement = getElementType().getBeginTokenElement();
        ElementType endTokenElement = getElementType().getEndTokenElement();

        int matchedTokens = 0;
        boolean isWrapped = false;

        // first try to parse the wrapped element directly, for supporting wrapped elements nesting
        if (isWrappingOptional) {
            ParseResult wrappedResult = wrappedElement.getParser().parse(node, optional, depth + 1, context);
            if (wrappedResult.isMatch()) {
                matchedTokens = matchedTokens + wrappedResult.getMatchedTokens();
                return stepOut(marker, depth, wrappedResult.getType(), matchedTokens, node, context);
            } else {
                builder.markerRollbackTo(marker, null);
                marker = builder.mark(null);
            }
        }

        // parse begin token
        ParseResult beginTokenResult = beginTokenElement.getParser().parse(node, optional, depth + 1, context);
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    public IterationElementTypeParser(IterationElementType elementType) {
        super(elementType);
    }

    public ParseResult parse(@NotNull ParsePathNode parentNode, boolean optional, int depth, ParserContext context) throws ParseException {
        ParserBuilder builder = context.getBuilder();
        logBegin(builder, optional, depth);

        ParsePathNode node = createParseNode(parentNode, builder.getCurrentOffset());
        PsiBuilder.Marker marker = builder.mark(node);

        IterationElementType elementType = getElementType();
        ElementType iteratedElementType = elementType.getIteratedElementType();
        TokenElementType[] separatorTokens = elementType.getSeparatorTokens();

        int elementCounter = 0;
        int matchedTokens = 0;
        //TokenType tokenType = (TokenType) builder.getTokenType();
        // check if the token objectType can be part of this iteration
        //if (isDummyToken(builder.getTokenText()) || isSuppressibleReservedWord(tokenType, node) || iteratedElementType.containsToken(tokenType)) {
            ParseResult result = iteratedElementType.getParser().parse(node, optional, depth + 1, context);


            // check first iteration element
            if (result.isMatch()) {
                if (node.isRecursive(node.getStartOffset())) {
                    return stepOut(marker, depth, ParseResultType.FULL_MATCH, matchedTokens, node, context);
                }
                while (true) {
                    elementCounter++;
                    // check separator
                    // if not matched just step out
                    if (separatorTokens != null) {
                        for (TokenElementType separatorToken : separatorTokens) {
                            result = separatorToken.getParser().parse(node, false, depth + 1, context);
                            matchedTokens = matchedTokens + result.getMatchedTokens();
                            if (result.isMatch()) break;
                        }

                        if (result.isNoMatch()) {
                            // if NO_MATCH, no additional separator found, hence then iteration should exit with MATCH
                            ParseResultType resultType = matchesElementsCount(elementCounter) ?
                                    ParseResultType.FULL_MATCH :
                                    ParseResultType.PARTIAL_MATCH;
                            return stepOut(marker, depth, resultType, matchedTokens, node, context);
                        } else {
                            node.setCurrentOffset(builder.getCurrentOffset());
                        }
                    }

                    // check consecutive iterated element
                    // if not matched, step out with error
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        }
        return stepOut(marker, depth, ParseResultType.NO_MATCH, matchedTokens, node, context);
    }

    private boolean advanceLexerToNextLandmark(ParsePathNode parentNode, boolean lenient, ParserContext context) throws ParseException {
        ParserBuilder builder = context.getBuilder();
        IterationElementType elementType = getElementType();

        PsiBuilder.Marker marker = builder.mark(null);
        ElementType iteratedElementType = elementType.getIteratedElementType();
        TokenElementType[] separatorTokens = elementType.getSeparatorTokens();

        if (!lenient) {
            getErrorHandler().updateBuilderError(iteratedElementType.getLookupCache().getFirstPossibleTokens(), context);
        }
        boolean advanced = false;
        BasicElementType unknownElementType = getElementBundle().getUnknownElementType();
        while (!builder.eof()) {
            TokenType tokenType = builder.getTokenType();
            if (tokenType == null || tokenType.isChameleon())  break;

            if (tokenType.isParserLandmark()) {
                if (separatorTokens != null) {
                    for (TokenElementType separatorToken : separatorTokens) {
                        if (separatorToken.getLookupCache().containsLandmarkToken(tokenType)) {
                            builder.markerDone(marker, unknownElementType);
                            return false;
                        }
                    }
                }

                ParsePathNode parseNode = parentNode;
                while (parseNode != null) {
                    if (parseNode.getElementType() instanceof SequenceElementType) {
                        SequenceElementType sequenceElementType = (SequenceElementType) parseNode.getElementType();
                        int index = parseNode.getCurrentSiblingIndex();
                        if ( sequenceElementType.containsLandmarkTokenFromIndex(tokenType, index + 1)) {
                            if (advanced || !lenient) {
                                builder.markerDone(marker, unknownElementType);
                            } else {
                                builder.markerRollbackTo(marker, null);
                            }
                            return true;
                        }

                    }
                    parseNode = parseNode.getParent();
                }
            }
            builder.advanceLexer(parentNode);
            advanced = true;
        }
        if (advanced || !lenient)
            builder.markerDone(marker, unknownElementType); else
            builder.markerRollbackTo(marker, null);
        return true;
    }
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Related Classes of com.dci.intellij.dbn.language.common.element.parser.ParserBuilder

  • com.dci.intellij.dbn.language.common.DBLanguageParser
  • com.dci.intellij.dbn.language.common.element.impl.WrappingDefinition
  • com.dci.intellij.dbn.language.common.element.parser.impl.BlockElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.ExecVariableElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.IdentifierElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.IterationElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.NamedElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.OneOfElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.QualifiedIdentifierElementTypeParser
  • com.dci.intellij.dbn.language.common.element.parser.impl.SequenceElementTypeParser
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