public bool EvaluateGroup()
{
string value = "";
string ErrorMsg = "";
bool anyFailures = false;
// first, populate the variable values in each of the tokens
foreach (Parser.Token tk in this.tokens)
{
// loop through each tokens variables
foreach (Parser.Variable var in tk.Variables)
{
if (this.variables.VariableExists(var.VariableName) == true)
{
var.VariableValue = this.variables[var.VariableName].VariableValue;
}
}
// see if we have tokens and an RPN queue
if ((tk.TokenItems.Count > 0) && (tk.RPNQueue.Count > 0))
{
tk.LastErrorMessage = ""; // reset the last error message
}
// the variables for the token have been populated; evaluate the token
Evaluate.Evaluator eval = new Evaluate.Evaluator(tk);
if (eval.Evaluate(out value, out ErrorMsg) == false)
{
tk.LastErrorMessage = ErrorMsg;
anyFailures = true;
}
}
return(anyFailures);
}
public bool EvaluateGroup()
{
string value = "";
string ErrorMsg = "";
bool anyFailures = false;
// first, populate the variable values in each of the tokens
foreach (Parser.Token tk in this.tokens)
{
// loop through each tokens variables
foreach (Parser.Variable var in tk.Variables)
{
if (this.variables.VariableExists(var.VariableName) == true)
{
var.VariableValue = this.variables[var.VariableName].VariableValue;
}
}
// see if we have tokens and an RPN queue
if ((tk.TokenItems.Count > 0) && (tk.RPNQueue.Count > 0)) tk.LastErrorMessage = ""; // reset the last error message
// the variables for the token have been populated; evaluate the token
Evaluate.Evaluator eval = new Evaluate.Evaluator(tk);
if (eval.Evaluate(out value, out ErrorMsg) == false)
{
tk.LastErrorMessage = ErrorMsg;
anyFailures = true;
}
}
return anyFailures;
}
public TokenItem Evaluate(out string ErrorMsg)
{
// initialize the outgoing variables
ErrorMsg = "";
// local variables
string result = "";
// get the parent token object
Token token = this.Parent.Parent.Parent;
// create the evaluator object to evaluate the condition
Evaluate.Evaluator eval = null;
try
{
eval = new Evaluate.Evaluator(token);
}
catch (Exception err)
{
ErrorMsg = "Failed to evaluation the condition in IIFShortCircuit(): " + err.Message;
return(null);
}
// evaluate the condition
if (eval.Evaluate(this.rpn_condition, out result, out ErrorMsg) == false)
{
return(null);
}
// determine if we need to run the "true" or "false" result
Support.ExQueue <TokenItem> resultQueue = null;
if (result.Trim().ToLower() == "true")
{
// evaluate the true parameter
resultQueue = this.rpn_true;
}
else
{
// evaluate the false parameter
resultQueue = this.rpn_false;
}
// do the final evaluation
if (eval.Evaluate(resultQueue, out result, out ErrorMsg) == false)
{
return(null);
}
// all done
return(new TokenItem(result, TokenType.Token_Operand, TokenDataType.Token_DataType_String, false));
}
public TokenItem Evaluate(out string ErrorMsg)
{
// initialize the outgoing variables
ErrorMsg = "";
// local variables
string result = "";
// get the parent token object
Token token = this.Parent.Parent.Parent;
// create the evaluator object to evaluate the condition
Evaluate.Evaluator eval = null;
try
{
eval = new Evaluate.Evaluator(token);
}
catch (Exception err)
{
ErrorMsg = "Failed to evaluation the condition in IIFShortCircuit(): " + err.Message;
return null;
}
// evaluate the condition
if (eval.Evaluate(this.rpn_condition, out result, out ErrorMsg) == false) return null;
// determine if we need to run the "true" or "false" result
Support.ExQueue<TokenItem> resultQueue = null;
if (result.Trim().ToLower() == "true")
{
// evaluate the true parameter
resultQueue = this.rpn_true;
}
else
{
// evaluate the false parameter
resultQueue = this.rpn_false;
}
// do the final evaluation
if (eval.Evaluate(resultQueue, out result, out ErrorMsg) == false) return null;
// all done
return new TokenItem(result, TokenType.Token_Operand, TokenDataType.Token_DataType_String, false);
}
