// 演算式の結果を計算
object Calc(System.Func <string, object, bool> callbackSetValue)
{
try
{
///逆ポーランド式の演算
Stack <ExpressionToken> values = new Stack <ExpressionToken>();
ExpressionToken value1;
ExpressionToken value2;
foreach (ExpressionToken token in tokens)
{
switch (token.Type)
{
case ExpressionToken.TokenType.Substitution: //代入演算
value2 = values.Pop();
value1 = values.Pop();
values.Push(ExpressionToken.OperateSubstition(value1, token, value2, callbackSetValue));
break;
case ExpressionToken.TokenType.Unary: //単項演算
values.Push(ExpressionToken.OperateUnary(values.Pop(), token));
break;
case ExpressionToken.TokenType.Binary: //二項演算
value2 = values.Pop();
value1 = values.Pop();
values.Push(ExpressionToken.OperateBinary(value1, token, value2));
break;
case ExpressionToken.TokenType.Number:
case ExpressionToken.TokenType.Value:
values.Push(token);
break;
default:
break;
}
}
if (values.Count != 1)
{
throw new Exception(LanguageErrorMsg.LocalizeTextFormat(Utage.ErrorMsg.ExpIllegal));
}
return(values.Peek().Variable);
}
catch (Exception e)
{
Debug.LogError(e.Message + e.StackTrace);
AddErrorMsg(e.Message);
return(null);
}
}
private object Calc(Func <string, object, bool> callbackSetValue)
{
try
{
Stack <ExpressionToken> stack = new Stack <ExpressionToken>();
foreach (ExpressionToken token3 in this.tokens)
{
ExpressionToken token;
ExpressionToken token2;
int numFunctionArg;
ExpressionToken[] tokenArray;
int num2;
switch (token3.Type)
{
case ExpressionToken.TokenType.Unary:
{
stack.Push(ExpressionToken.OperateUnary(stack.Pop(), token3));
continue;
}
case ExpressionToken.TokenType.Binary:
{
token2 = stack.Pop();
token = stack.Pop();
stack.Push(ExpressionToken.OperateBinary(token, token3, token2));
continue;
}
case ExpressionToken.TokenType.Substitution:
{
token2 = stack.Pop();
token = stack.Pop();
stack.Push(ExpressionToken.OperateSubstition(token, token3, token2, callbackSetValue));
continue;
}
case ExpressionToken.TokenType.Number:
case ExpressionToken.TokenType.Value:
{
stack.Push(token3);
continue;
}
case ExpressionToken.TokenType.Function:
numFunctionArg = token3.NumFunctionArg;
tokenArray = new ExpressionToken[numFunctionArg];
num2 = 0;
goto Label_00E3;
default:
{
continue;
}
}
Label_00CD:
tokenArray[(numFunctionArg - num2) - 1] = stack.Pop();
num2++;
Label_00E3:
if (num2 < numFunctionArg)
{
goto Label_00CD;
}
stack.Push(ExpressionToken.OperateFunction(token3, tokenArray));
}
if (stack.Count != 1)
{
throw new Exception(LanguageErrorMsg.LocalizeTextFormat(Utage.ErrorMsg.ExpIllegal, new object[0]));
}
return(stack.Peek().Variable);
}
catch (Exception exception)
{
Debug.LogError(exception.Message + exception.StackTrace);
this.AddErrorMsg(exception.Message);
return(null);
}
}
