Examples with DescrBuilder org.drools.drl.ast.dsl.DescrBuilder used on opensource projects

Example 1 with DescrBuilder

use of org.drools.drl.ast.dsl.DescrBuilder in project drools by kiegroup.

the class DRL6StrictParser method breakingNamedConsequence.

/**
 * breakingNamedConsequence := BREAK LEFT_SQUARE ID RIGHT_SQUARE
 */
private BaseDescr breakingNamedConsequence(CEDescrBuilder<?, ?> ce, NamedConsequenceDescrBuilder<?> namedConsequence) throws RecognitionException {
    if (namedConsequence == null) {
        namedConsequence = helper.start((DescrBuilder<?, ?>) ce, NamedConsequenceDescrBuilder.class, null);
    }
    try {
        match(input, DRL6Lexer.ID, DroolsSoftKeywords.BREAK, null, DroolsEditorType.KEYWORD);
        if (state.failed)
            return null;
        match(input, DRL6Lexer.LEFT_SQUARE, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
        Token label = match(input, DRL6Lexer.ID, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
        namedConsequence.name(label.getText());
        namedConsequence.breaking(true);
        match(input, DRL6Lexer.RIGHT_SQUARE, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
    } finally {
        helper.end(NamedConsequenceDescrBuilder.class, namedConsequence);
    }
    return namedConsequence.getDescr();
}

Example 2 with DescrBuilder

use of org.drools.drl.ast.dsl.DescrBuilder in project drools by kiegroup.

the class DRL5Parser method stringAttribute.

/**
 * stringAttribute := attributeKey STRING
 * @param key
 * @throws RecognitionException
 */
private AttributeDescr stringAttribute(AttributeSupportBuilder<?> as, String[] key) throws RecognitionException {
    AttributeDescrBuilder<?> attribute = null;
    try {
        StringBuilder builder = new StringBuilder();
        for (String k : key) {
            if ("-".equals(k)) {
                match(input, DRL5Lexer.MINUS, k, null, // part of the keyword
                DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            } else {
                match(input, DRL5Lexer.ID, k, null, DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            }
            builder.append(k);
        }
        if (state.backtracking == 0) {
            attribute = helper.start((DescrBuilder<?, ?>) as, AttributeDescrBuilder.class, builder.toString());
        }
        Token value = match(input, DRL5Lexer.STRING, null, null, DroolsEditorType.STRING_CONST);
        if (state.failed)
            return null;
        if (state.backtracking == 0) {
            if (attribute != null) {
                attribute.value(StringUtils.unescapeJava(safeStripStringDelimiters(value.getText())));
                attribute.type(AttributeDescr.Type.STRING);
            }
        }
    } finally {
        if (attribute != null) {
            helper.end(AttributeDescrBuilder.class, attribute);
        }
    }
    return attribute != null ? attribute.getDescr() : null;
}

Example 3 with DescrBuilder

use of org.drools.drl.ast.dsl.DescrBuilder in project drools by kiegroup.

the class DRL5Parser method intOrChunkAttribute.

/**
 * intOrChunkAttribute := attributeKey ( DECIMAL | chunk_(_) )
 * @param key
 * @throws RecognitionException
 */
private AttributeDescr intOrChunkAttribute(AttributeSupportBuilder<?> as, String[] key) throws RecognitionException {
    AttributeDescrBuilder<?> attribute = null;
    try {
        StringBuilder builder = new StringBuilder();
        for (String k : key) {
            if ("-".equals(k)) {
                match(input, DRL5Lexer.MINUS, k, null, // part of the keyword
                DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            } else {
                match(input, DRL5Lexer.ID, k, null, DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            }
            builder.append(k);
        }
        if (state.backtracking == 0) {
            attribute = helper.start((DescrBuilder<?, ?>) as, AttributeDescrBuilder.class, builder.toString());
        }
        if (input.LA(1) == DRL5Lexer.LEFT_PAREN) {
            String value = chunk(DRL5Lexer.LEFT_PAREN, DRL5Lexer.RIGHT_PAREN, -1);
            if (state.failed)
                return null;
            if (state.backtracking == 0) {
                if (attribute != null) {
                    attribute.value(safeStripDelimiters(value, "(", ")"));
                    attribute.type(AttributeDescr.Type.EXPRESSION);
                }
            }
        } else {
            String value = "";
            if (input.LA(1) == DRL5Lexer.PLUS) {
                Token sign = match(input, DRL5Lexer.PLUS, null, null, DroolsEditorType.NUMERIC_CONST);
                if (state.failed)
                    return null;
                value += sign.getText();
            } else if (input.LA(1) == DRL5Lexer.MINUS) {
                Token sign = match(input, DRL5Lexer.MINUS, null, null, DroolsEditorType.NUMERIC_CONST);
                if (state.failed)
                    return null;
                value += sign.getText();
            }
            Token nbr = match(input, DRL5Lexer.DECIMAL, null, null, DroolsEditorType.NUMERIC_CONST);
            if (state.failed)
                return null;
            value += nbr.getText();
            if (state.backtracking == 0) {
                if (attribute != null) {
                    attribute.value(value);
                    attribute.type(AttributeDescr.Type.NUMBER);
                }
            }
        }
    } finally {
        if (attribute != null) {
            helper.end(AttributeDescrBuilder.class, attribute);
        }
    }
    return attribute != null ? attribute.getDescr() : null;
}

Example 4 with DescrBuilder

use of org.drools.drl.ast.dsl.DescrBuilder in project drools by kiegroup.

the class DRL5Parser method breakingNamedConsequence.

/**
 * breakingNamedConsequence := BREAK LEFT_SQUARE ID RIGHT_SQUARE
 */
private BaseDescr breakingNamedConsequence(CEDescrBuilder<?, ?> ce, NamedConsequenceDescrBuilder<?> namedConsequence) throws RecognitionException {
    if (namedConsequence == null) {
        namedConsequence = helper.start((DescrBuilder<?, ?>) ce, NamedConsequenceDescrBuilder.class, null);
    }
    try {
        match(input, DRL5Lexer.ID, DroolsSoftKeywords.BREAK, null, DroolsEditorType.KEYWORD);
        if (state.failed)
            return null;
        match(input, DRL5Lexer.LEFT_SQUARE, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
        Token label = match(input, DRL5Lexer.ID, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
        namedConsequence.name(label.getText());
        namedConsequence.breaking(true);
        match(input, DRL5Lexer.RIGHT_SQUARE, null, null, DroolsEditorType.SYMBOL);
        if (state.failed)
            return null;
    } finally {
        helper.end(NamedConsequenceDescrBuilder.class, namedConsequence);
    }
    return namedConsequence.getDescr();
}

Example 5 with DescrBuilder

use of org.drools.drl.ast.dsl.DescrBuilder in project drools by kiegroup.

the class DRL5Parser method stringListAttribute.

/**
 * stringListAttribute := attributeKey STRING (COMMA STRING)*
 * @param key
 * @throws RecognitionException
 */
private AttributeDescr stringListAttribute(AttributeSupportBuilder<?> as, String[] key) throws RecognitionException {
    AttributeDescrBuilder<?> attribute = null;
    try {
        StringBuilder builder = new StringBuilder();
        for (String k : key) {
            if ("-".equals(k)) {
                match(input, DRL5Lexer.MINUS, k, null, // part of the keyword
                DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            } else {
                match(input, DRL5Lexer.ID, k, null, DroolsEditorType.KEYWORD);
                if (state.failed)
                    return null;
            }
            builder.append(k);
        }
        if (state.backtracking == 0) {
            attribute = helper.start((DescrBuilder<?, ?>) as, AttributeDescrBuilder.class, builder.toString());
        }
        builder = new StringBuilder();
        builder.append("[ ");
        Token value = match(input, DRL5Lexer.STRING, null, null, DroolsEditorType.STRING_CONST);
        if (state.failed)
            return null;
        builder.append(value.getText());
        while (input.LA(1) == DRL5Lexer.COMMA) {
            match(input, DRL5Lexer.COMMA, null, null, DroolsEditorType.SYMBOL);
            if (state.failed)
                return null;
            builder.append(", ");
            value = match(input, DRL5Lexer.STRING, null, null, DroolsEditorType.STRING_CONST);
            if (state.failed)
                return null;
            builder.append(value.getText());
        }
        builder.append(" ]");
        if (state.backtracking == 0) {
            if (attribute != null) {
                attribute.value(builder.toString());
                attribute.type(AttributeDescr.Type.LIST);
            }
        }
    } finally {
        if (attribute != null) {
            helper.end(AttributeDescrBuilder.class, attribute);
        }
    }
    return attribute != null ? attribute.getDescr() : null;
}