/// <summary>
/// Define a variable but the syntax name is wrong: has space.
/// </summary>
public static void DefineVarSyntaxName()
{
string expr = "Not(A)";
Console.WriteLine("\n====The expression is: " + expr);
ExpressionEval evaluator = new ExpressionEval();
//====1/decode the expression
ParseResult parseResult = evaluator.Parse(expr);
//====2/prepare the execution, provide all used variables: type and value, remove the previous result
Console.WriteLine("Define variables: A=12");
evaluator.DefineVarBool("a", false);
Console.WriteLine("Define wrong variable name: 'a b c' -> don't stop the execution of the evaluation of the expression!");
evaluator.DefineVarInt("a b c", 12);
List <ExprError> listConfigError = evaluator.GetListErrorExprConfig();
Console.WriteLine("DefineVar failed, err (VarNameSyntaxWrong): " + listConfigError[0].Code);
//====3/Execute the expression
ExecResult execResult = evaluator.Exec();
//====4/get the result, its a bool value
Console.WriteLine("Execution Result (true): " + execResult.ResultBool);
}
static void TestErrorDefinitionVarFunc()
{
//string expr = "not A";
string expr = "A and B";
ExpressionEval evaluator = new ExpressionEval();
ParseResult parseResult = ParseExpr(evaluator, expr);
//====2/prepare the execution, provide all used variables: type and value, remove the previous result
evaluator.DefineVarInt("a", 12);
evaluator.DefineVarBool("b", false);
//evaluator.SetVariableValueInt("b", 12);
// check definition (var/func) errors
List <ExprError> listError = evaluator.GetListErrorExprConfig();
Execute(evaluator, expr);
}