Examples with Expr org.csstudio.autocomplete.parser.engine.expr.Expr used on opensource projects

Example 1 with Expr

use of org.csstudio.autocomplete.parser.engine.expr.Expr in project yamcs-studio by yamcs.

the class ExprParser method parseValue.

private void parseValue(ExprToken e) throws ExprException {
    Expr value = null;
    switch(e.type) {
        case Decimal:
            value = new ExprDouble(e.doubleValue);
            break;
        case Integer:
            value = new ExprInteger(e.integerValue);
            break;
        case String:
            value = new ExprString(e.val);
            break;
        case Variable:
            value = new ExprVariable(e.val);
            break;
        case QuotedVariable:
            value = new ExprPV(e.val);
            break;
        default:
            break;
    }
    setValue(value);
}

Example 2 with Expr

use of org.csstudio.autocomplete.parser.engine.expr.Expr in project yamcs-studio by yamcs.

the class ExprParser method parseExpression.

private void parseExpression(ExprLexer lexer) throws IOException, ExprException {
    Expr c = current;
    current = null;
    ExprToken e = null;
    while ((e = lexer.next()) != null) {
        if (e.type.equals(ExprTokenType.CloseBracket)) {
            Expr t = current;
            current = c;
            setValue(new ExprExpression(t));
            break;
        } else {
            parseToken(lexer, e);
        }
    }
}

Example 3 with Expr

use of org.csstudio.autocomplete.parser.engine.expr.Expr in project yamcs-studio by yamcs.

the class FormulaContentParser method handleFunction.

private void handleFunction(ExprFunction f) {
    if (f.isComplete())
        return;
    currentToken = new FunctionDescriptor();
    currentToken.setValue(f.toString());
    currentToken.setFunctionName(f.getName());
    currentToken.setContentType(ContentType.FormulaFunction);
    currentToken.setOpenBracket(true);
    if (f.size() == 0) {
        currentToken.setCurrentArgIndex(0);
        return;
    }
    currentToken.setCurrentArgIndex(f.size() - 1);
    Expr lastArg = f.getArg(f.size() - 1);
    if (lastArg == null)
        return;
    handleExpr(lastArg);
}

Example 4 with Expr

use of org.csstudio.autocomplete.parser.engine.expr.Expr in project yamcs-studio by yamcs.

the class FormulaContentParser method handleConditionalOperation.

private void handleConditionalOperation(ExprConditionalOperator co) {
    Expr value = co.getValueIfFalse();
    if (value == null)
        value = co.getValueIfTrue();
    if (value == null)
        return;
    handleExpr(value);
}

Example 5 with Expr

use of org.csstudio.autocomplete.parser.engine.expr.Expr in project yamcs-studio by yamcs.

the class FormulaContentParser method handleBinaryOperation.

private void handleBinaryOperation(ExprBinaryOperator bo) {
    Expr rhs = bo.getRHS();
    if (rhs == null)
        return;
    handleExpr(rhs);
}