public Operation Build(IList <Token> tokens)
{
resultStack.Clear();
operatorStack.Clear();
parameterCount.Clear();
foreach (Token token in tokens)
{
object value = token.Value;
switch (token.TokenType)
{
case TokenType.FloatingPoint:
resultStack.Push(new FloatingPointConstant((float)token.Value));
break;
case TokenType.Text:
if (functionRegistry.IsFunctionName((string)token.Value))
{
operatorStack.Push(token);
parameterCount.Push(1);
}
else
{
string tokenValue = (string)token.Value;
resultStack.Push(new Variable(tokenValue));
}
break;
case TokenType.LeftBracket:
operatorStack.Push(token);
break;
case TokenType.RightBracket:
PopOperations(true, token);
//parameterCount.Pop();
break;
case TokenType.ArgumentSeparator:
PopOperations(false, token);
parameterCount.Push(parameterCount.Pop() + 1);
break;
case TokenType.Operation:
Token operation1Token = token;
char operation1 = (char)operation1Token.Value;
while (operatorStack.Count > 0 && (operatorStack.Peek().TokenType == TokenType.Operation ||
operatorStack.Peek().TokenType == TokenType.Text))
{
Token operation2Token = operatorStack.Peek();
bool isFunctionOnTopOfStack = operation2Token.TokenType == TokenType.Text;
if (!isFunctionOnTopOfStack)
{
char operation2 = (char)operation2Token.Value;
if ((IsLeftAssociativeOperation(operation1) &&
operationPrecedence[operation1] <= operationPrecedence[operation2]) ||
(operationPrecedence[operation1] < operationPrecedence[operation2]))
{
operatorStack.Pop();
resultStack.Push(ConvertOperation(operation2Token));
}
else
{
break;
}
}
else
{
operatorStack.Pop();
resultStack.Push(ConvertFunction(operation2Token));
}
}
operatorStack.Push(operation1Token);
break;
}
}
PopOperations(false, null);
VerifyResultStack();
return(resultStack.First());
}
public Operation Build(IList <Token> tokens)
{
resultStack.Clear();
operatorStack.Clear();
parameterCount.Clear();
foreach (Token token in tokens)
{
object value = token.Value;
switch (token.TokenType)
{
#if _USE_VARIABLE_
case TokenType.Integer:
resultStack.Push(new VariableCalcurator((int)token.Value));
break;
case TokenType.FloatingPoint:
resultStack.Push(new VariableCalcurator(DataType.FloatingPoint, token.Value.ToString()));
break;
case TokenType.Hex:
resultStack.Push(new VariableCalcurator((uint)token.Value));
break;
case TokenType.Literal:
resultStack.Push(new VariableCalcurator(DataType.Literal, (string)token.Value));
break;
case TokenType.Identifier:
if ((string)token.Value == "true")
{
resultStack.Push(new VariableCalcurator(true));
}
else if ((string)token.Value == "false")
{
resultStack.Push(new VariableCalcurator(false));
}
else
{
resultStack.Push(new VariableCalcurator(DataType.Identifier, (string)token.Value));
}
break;
#else
case TokenType.Integer:
resultStack.Push(new IntegerConstant((int)token.Value));
break;
case TokenType.FloatingPoint:
resultStack.Push(new FloatingPointConstant((double)token.Value));
break;
case TokenType.Text:
if (functionRegistry.IsFunctionName((string)token.Value))
{
operatorStack.Push(token);
parameterCount.Push(1);
}
else
{
string tokenValue = (string)token.Value;
if (localConstantRegistry.IsConstantName(tokenValue))
{
resultStack.Push(new FloatingPointConstant(localConstantRegistry.GetConstantInfo(tokenValue).Value));
}
else
{
if (!caseSensitive)
{
tokenValue = tokenValue.ToLowerFast();
}
resultStack.Push(new Variable(tokenValue));
}
}
break;
#endif
case TokenType.OpenParentheses:
operatorStack.Push(token);
break;
case TokenType.CloseParentheses:
PopOperations(TokenType.OpenParentheses, token);
break;
case TokenType.OpenBracket:
operatorStack.Push(token);
break;
case TokenType.CloseBracket:
PopOperations(TokenType.OpenBracket, token);
break;
case TokenType.ArgumentSeparator:
PopOperations(TokenType.Null, token);
parameterCount.Push(parameterCount.Pop() + 1);
break;
case TokenType.Operation:
Token operation1Token = token;
char operation1 = (char)operation1Token.Value;
while (operatorStack.Count > 0 && (operatorStack.Peek().TokenType == TokenType.Operation ||
operatorStack.Peek().TokenType == TokenType.Identifier))
{
Token operation2Token = operatorStack.Peek();
bool isFunctionOnTopOfStack = operation2Token.TokenType == TokenType.Identifier;
if (!isFunctionOnTopOfStack)
{
char operation2 = (char)operation2Token.Value;
if ((IsLeftAssociativeOperation(operation1) &&
operationPrecedence[operation1] <= operationPrecedence[operation2]) ||
(operationPrecedence[operation1] < operationPrecedence[operation2]))
{
operatorStack.Pop();
resultStack.Push(ConvertOperation(operation2Token));
}
else
{
break;
}
}
else
{
operatorStack.Pop();
resultStack.Push(ConvertFunction(operation2Token));
}
}
operatorStack.Push(operation1Token);
break;
}
}
PopOperations(TokenType.Null, null);
VerifyResultStack();
return(resultStack.First());
}