Examples with DrlNameExpr org.drools.mvel.parser.ast.expr.DrlNameExpr used on opensource projects

Example 11 with DrlNameExpr

use of org.drools.mvel.parser.ast.expr.DrlNameExpr in project drools by kiegroup.

the class PreprocessPhase method assignToFieldAccess.

private AssignExpr assignToFieldAccess(PreprocessPhaseResult result, Expression scope, AssignExpr assignExpr) {
    DrlNameExpr originalFieldAccess = (DrlNameExpr) assignExpr.getTarget();
    String propertyName = originalFieldAccess.getName().asString();
    result.addUsedBinding(printNode(scope));
    FieldAccessExpr fieldAccessWithScope = new FieldAccessExpr(scope, propertyName);
    assignExpr.setTarget(fieldAccessWithScope);
    return assignExpr;
}

Example 12 with DrlNameExpr

use of org.drools.mvel.parser.ast.expr.DrlNameExpr in project drools by kiegroup.

the class PreprocessPhase method addScopeToMethodCallExpr.

private Statement addScopeToMethodCallExpr(PreprocessPhaseResult result, Expression scope, Statement e) {
    if (e != null && e.isExpressionStmt()) {
        Expression expression = e.asExpressionStmt().getExpression();
        if (expression.isMethodCallExpr()) {
            MethodCallExpr mcExpr = expression.asMethodCallExpr();
            MethodCallExpr rootMcExpr = findRootScope(mcExpr);
            if (rootMcExpr == null) {
                return e;
            }
            Expression enclosed = new EnclosedExpr(scope);
            rootMcExpr.setScope(enclosed);
            if (scope.isNameExpr() || scope instanceof DrlNameExpr) {
                // some classes such "AtomicInteger" have a setter called "set"
                result.addUsedBinding(printNode(scope));
            }
            return new ExpressionStmt(mcExpr);
        }
    }
    return e;
}

Example 13 with DrlNameExpr

use of org.drools.mvel.parser.ast.expr.DrlNameExpr in project drools by kiegroup.

the class AccumulateVisitor method parseFirstParameter.

private Optional<NewBinding> parseFirstParameter(PatternDescr basePattern, BaseDescr input, AccumulateDescr.AccumulateFunctionCallDescr function, MethodCallExpr functionDSL, String bindingId) {
    final String accumulateFunctionParameterStr = function.getParams()[0];
    final Expression accumulateFunctionParameter = DrlxParseUtil.parseExpression(accumulateFunctionParameterStr).getExpr();
    if (accumulateFunctionParameter instanceof BinaryExpr) {
        return binaryExprParameter(basePattern, function, functionDSL, bindingId, accumulateFunctionParameterStr);
    }
    if (parameterNeedsConvertionToMethodCallExpr(accumulateFunctionParameter)) {
        return methodCallExprParameter(basePattern, input, function, functionDSL, bindingId, accumulateFunctionParameter);
    }
    if (accumulateFunctionParameter instanceof DrlNameExpr) {
        nameExprParameter(basePattern, function, functionDSL, bindingId, accumulateFunctionParameter);
    } else if (accumulateFunctionParameter instanceof LiteralExpr) {
        literalExprParameter(basePattern, function, functionDSL, bindingId, accumulateFunctionParameter);
    } else {
        context.addCompilationError(new InvalidExpressionErrorResult("Invalid expression " + accumulateFunctionParameterStr, Optional.of(context.getRuleDescr())));
        throw new AccumulateParsingFailedException();
    }
    return Optional.empty();
}