/**
* Method to change definition of built-in token - more precisely
* using this method allows to modify token string recognized by the parser
* (i.e. sin(x) -> sinus(x)).
* Procedure affects only tokens classified to built-in functions, built-in
* constants, built-in units, built-in random variables.
* @param currentToken Current token name
* @param newToken New token name
* @param newTokenDescription New token description (if null the previous one will be used)
*/
public static void modifyBuiltinToken(String currentToken, String newToken, String newTokenDescription)
{
if (currentToken == null)
{
return;
}
if (currentToken.Length == 0)
{
return;
}
if (newToken == null)
{
return;
}
if (newToken.Length == 0)
{
return;
}
foreach (TokenModification tm in tokensToModify)
{
if (tm.currentToken.Equals(currentToken))
{
return;
}
}
TokenModification tma = new TokenModification();
tma.currentToken = currentToken;
tma.newToken = newToken;
tma.newTokenDescription = newTokenDescription;
tokensToModify.Add(tma);
}
/**
* Return details on tokens marked to be modified.
* @return String[i][0] - current token, String[i][1] - new token,
* String[i][2] - new token description.
*/
public static String[,] getBuiltinTokensToModify()
{
int tokensNum = tokensToModify.Count;
String[,] tokensToModifyArray = new String[tokensNum, 3];
for (int i = 0; i < tokensNum; i++)
{
TokenModification tm = tokensToModify[i];
tokensToModifyArray[i, 0] = tm.currentToken;
tokensToModifyArray[i, 1] = tm.newToken;
tokensToModifyArray[i, 2] = tm.newTokenDescription;
}
return(tokensToModifyArray);
}
