Example usage for org.antlr.v4.runtime ParserRuleContext getStart

Introduction

In this page you can find the example usage for org.antlr.v4.runtime ParserRuleContext getStart.

Prototype

public Token getStart() 

Source Link

Document

Get the initial token in this context.

Usage

From source file:dk.dma.ais.packet.ExpressionFilterParserBase.java

License:Apache License

/**
 * Create predicate for testing against lists of navigational statuses (as numbers or named in strings) or
 * ranges of months (as numbers).//from w w  w . j av a  2 s  .  c om
 *
 * @param filterPredicateFactoryClass
 * @param filterPredicateFactory
 * @param ctx
 * @param <T>
 * @return
 */
protected static <T> Predicate<T> createFilterPredicateForRangeOrListOfMonth(
        Class<? extends FilterPredicateFactory> filterPredicateFactoryClass,
        FilterPredicateFactory filterPredicateFactory, ParserRuleContext ctx) {
    Predicate<T> filter = null;
    String fieldName = ctx.getStart().getText();
    Set<Integer> months;
    if (hasStringList(ctx)) {
        months = mapStringsToCalendarMonths(extractStrings(invokeStringList(ctx).string()));
        filter = checkNegate(ctx, createFilterPredicateForList(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, months.toArray(new Integer[months.size()])));
    } else if (hasIntList(ctx)) {
        months = ImmutableSet.copyOf(extractIntegers(invokeIntList(ctx).INT()));
        filter = checkNegate(ctx, createFilterPredicateForList(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, months.toArray(new Integer[months.size()])));
    } else if (hasIntRange(ctx)) {
        int min = Integer.parseInt(invokeIntRange(ctx).INT(0).getText());
        int max = Integer.parseInt(invokeIntRange(ctx).INT(1).getText());
        filter = checkNegate(ctx, createFilterPredicateForRange(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, min, max));
    }
    return filter;
}

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From source file:dk.dma.ais.packet.ExpressionFilterParserBase.java

License:Apache License

/**
 * Create predicate for comparing weekdays (as numbers (monday = 1) or named in strings (in English)).
 * @param filterPredicateFactoryClass//ww w  . j av a2s .c  o m
 * @param filterPredicateFactory
 * @param ctx
 * @param <T>
 * @return
 */
protected static <T> Predicate<T> createFilterPredicateForComparisonOfWeekday(
        Class<? extends FilterPredicateFactory> filterPredicateFactoryClass,
        FilterPredicateFactory filterPredicateFactory, ParserRuleContext ctx) {
    if (hasCompareTo(ctx)) {
        if (hasString(ctx)) {
            int dow = mapStringToCalendarDayOfWeek(extractString(invokeString(ctx)));
            String fieldName = ctx.getStart().getText();
            String operator = invokeCompareTo(ctx).getText();
            return createFilterPredicateForComparison(filterPredicateFactoryClass, filterPredicateFactory,
                    fieldName, operator, dow);
        } else {
            return createFilterPredicateForComparison(filterPredicateFactoryClass, filterPredicateFactory, ctx);
        }
    } else {
        throw new IllegalArgumentException(ctx.toStringTree());
    }
}

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From source file:dk.dma.ais.packet.ExpressionFilterParserBase.java

License:Apache License

/**
 * Create predicate for testing against lists of weekdays (as numbers (monday = 1) or named in strings (in
 * English))) or ranges of months (as numbers).
 *
 * @param filterPredicateFactoryClass//from w w  w  .j a v a2s .c  o m
 * @param filterPredicateFactory
 * @param ctx
 * @param <T>
 * @return
 */
protected static <T> Predicate<T> createFilterPredicateForRangeOrListOfWeekday(
        Class<? extends FilterPredicateFactory> filterPredicateFactoryClass,
        FilterPredicateFactory filterPredicateFactory, ParserRuleContext ctx) {
    Predicate<T> filter = null;
    String fieldName = ctx.getStart().getText();
    Set<Integer> weekdays;
    if (hasStringList(ctx)) {
        weekdays = mapStringsToCalendarDaysOfWeek(extractStrings(invokeStringList(ctx).string()));
        filter = checkNegate(ctx, createFilterPredicateForList(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, weekdays.toArray(new Integer[weekdays.size()])));
    } else if (hasIntList(ctx)) {
        weekdays = ImmutableSet.copyOf(extractIntegers(invokeIntList(ctx).INT()));
        filter = checkNegate(ctx, createFilterPredicateForList(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, weekdays.toArray(new Integer[weekdays.size()])));
    } else if (hasIntRange(ctx)) {
        int min = Integer.parseInt(invokeIntRange(ctx).INT(0).getText());
        int max = Integer.parseInt(invokeIntRange(ctx).INT(1).getText());
        filter = checkNegate(ctx, createFilterPredicateForRange(filterPredicateFactoryClass,
                filterPredicateFactory, fieldName, min, max));
    }
    return filter;
}

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From source file:dk.dma.ais.packet.ExpressionFilterParserBase.java

License:Apache License

protected static <T> Predicate<T> createFilterPredicateForRangeOrListOfMessageReceiveTime(
        Class<? extends FilterPredicateFactory> filterPredicateFactoryClass,
        FilterPredicateFactory filterPredicateFactory, ParserRuleContext ctx) {
    Predicate<T> filter = null;
    String filterPredicateFactoryMethodName = mapFieldTokenToFilterPredicateFactoryMethodName(
            ctx.getStart().getText());
    try {/*from www  .j  a  v  a 2s.c o m*/
        Method filterPredicateFactoryMethod = filterPredicateFactoryClass
                .getDeclaredMethod(filterPredicateFactoryMethodName, int.class, int.class);
        if (hasIntList(ctx)) {
            String fieldName = ctx.getStart().getText();
            Set<Integer> intList = ImmutableSet.copyOf(extractIntegers(invokeIntList(ctx).INT()));
            filter = checkNegate(ctx, createFilterPredicateForList(filterPredicateFactoryClass,
                    filterPredicateFactory, fieldName, intList.toArray(new Integer[intList.size()])));
        } else if (hasIntRange(ctx)) {
            int min = Integer.parseInt(invokeIntRange(ctx).INT(0).getText());
            int max = Integer.parseInt(invokeIntRange(ctx).INT(1).getText());
            filter = (Predicate<T>) filterPredicateFactoryMethod.invoke(filterPredicateFactory, min, max);
        }
    } catch (NoSuchMethodException e) {
        e.printStackTrace(System.err);
    } catch (InvocationTargetException e) {
        e.printStackTrace();
    } catch (IllegalAccessException e) {
        e.printStackTrace();
    }
    return filter;
}

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From source file:dk.dma.ais.packet.ExpressionFilterParserBase.java

License:Apache License

/**
 *
 *//*from   w ww . j a  v a2 s. c  o m*/
protected static <T> Predicate<T> createFilterPredicateForPositionWithin(Class filterPredicateFactoryClass,
        FilterPredicateFactory filterPredicateFactory, ParserRuleContext ctx) {
    Predicate<T> filter = null;
    Area area = null;

    if (hasBbox(ctx)) {
        List<ExpressionFilterParser.NumberContext> params = invokeBbox(ctx).number();
        float latitude1 = Float.valueOf(params.get(0).getText());
        float longitude1 = Float.valueOf(params.get(1).getText());
        float latitude2 = Float.valueOf(params.get(2).getText());
        float longitude2 = Float.valueOf(params.get(3).getText());
        Position corner1 = Position.create(latitude1, longitude1);
        Position corner2 = Position.create(latitude2, longitude2);
        area = BoundingBox.create(corner1, corner2, CoordinateSystem.CARTESIAN);
    } else if (hasCircle(ctx)) {
        List<ExpressionFilterParser.NumberContext> params = invokeCircle(ctx).number();
        float latitude = Float.valueOf(params.get(0).getText());
        float longitude = Float.valueOf(params.get(1).getText());
        float radius = Float.valueOf(params.get(2).getText());
        area = new Circle(latitude, longitude, radius, CoordinateSystem.CARTESIAN);
    }

    if (area != null) {
        String filterPredicateFactoryMethodName = mapFieldTokenToFilterPredicateFactoryMethodName(
                ctx.getStart().getText());
        try {
            Method filterPredicateFactoryMethod = filterPredicateFactoryClass
                    .getDeclaredMethod(filterPredicateFactoryMethodName, Area.class);
            filter = (Predicate<T>) filterPredicateFactoryMethod.invoke(filterPredicateFactory, area);
        } catch (NoSuchMethodException e) {
            e.printStackTrace(System.err);
        } catch (InvocationTargetException e) {
            e.printStackTrace();
        } catch (IllegalAccessException e) {
            e.printStackTrace();
        }
    }

    return filter;
}

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From source file:edu.clemson.cs.r2jt.absynnew.TreeBuildingVisitor.java

License:Open Source License

private InitFinalAST buildImplModuleInitFinal(ParserRuleContext ctx,
        List<ResolveParser.VariableDeclGroupContext> v, ParseTree requires, ParseTree ensures, Type t) {
    sanityCheckInitFinal(ctx);/*from w  w  w  . j  av  a2  s  .co m*/
    List<VariableAST> variables = new ArrayList<VariableAST>();

    for (ResolveParser.VariableDeclGroupContext grp : v) {
        variables.addAll(getAll(VariableAST.class, grp.Identifier()));
    }
    return new InitFinalAST(ctx.getStart(), ctx.getStop(), get(ExprAST.class, requires),
            get(ExprAST.class, ensures), variables, new ArrayList<StmtAST>(), t);
}

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From source file:edu.clemson.cs.r2jt.absynnew.TreeBuildingVisitor.java

License:Open Source License

/**
 * <p>Raises hell if the user provided more than a single module level
 * initialization or finalization section.</p>
 *//*from ww w . j  a  v a  2s.c  om*/
private void sanityCheckInitFinal(ParserRuleContext ctx) {
    if (mySeenModuleInitFlag) {
        throw new SrcErrorException("only one module level initialization" + " section per module is permitted",
                ctx.getStart());
    }
    if (mySeenModuleFinalFlag) {
        throw new SrcErrorException("only one module level finalization" + " section per module is permitted",
                ctx.getStart());
    }
}

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From source file:edu.clemson.cs.rsrg.parsing.TreeBuildingListener.java

License:Open Source License

/**
 * <p>Create a location for the current parser rule
 * we are visiting.</p>//from   w  w w  .  j  ava 2 s. co m
 *
 * @param ctx The visiting ANTLR4 parser rule.
 *
 * @return A {@link Location} for the rule.
 */
private Location createLocation(ParserRuleContext ctx) {
    return createLocation(ctx.getStart());
}

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From source file:eric.bottard.tis100.AbstractTis100Compiler.java

License:Apache License

/**
 * Return the 0-based line number of a program construct from the
 * parsing context./*  w ww .ja  va 2s. c o  m*/
 */
protected int lineOf(ParserRuleContext ctx) {
    return ctx.getStart().getLine() - 1;
}

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From source file:illarion.easynpc.parser.Utils.java

License:Open Source License

@Nonnull
private static <T extends Enum<T>> T getEnumValue(@Nullable ParserRuleContext node, @Nonnull Class<T> enumClass,
        @Nonnull T defaultValue) {/*w  w w. ja v  a 2s.c  o m*/
    if (node == null) {
        LOGGER.warn("Expected node for enumerator {} not found.", enumClass.getSimpleName());
        return defaultValue;
    }
    String string = removeQuotes(node.getText());
    try {
        return Enum.valueOf(enumClass, string);
    } catch (IllegalArgumentException e) {
        node.addErrorNode(node.getStart());
        LOGGER.warn("Failed to resolve {} to enumerator {}", string, enumClass.getSimpleName());
        return defaultValue;
    }
}

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