C++ infix to postfix conversion for logical conditions
- by Gopalakrishnan Subramani
I want to evaluate one expression in C++. To evaluate it, I want the expression to be converted to prefix format.
Here is an example
wstring expression = "Feature1 And Feature2";
Here are possible ways.
expression = "Feature1 And (Feature2 Or Feature3)";
expression = "Not Feature1 Or Feature3";
Here And, Or, Not are reserved words and parentheses ("(", )) are used for scope
Not has higher precedence
And is set next precedence to Not
Or is set to next precedence to And
WHITE SPACE used for delimiter. Expression has no other elements like TAB, NEWLINE
I don't need arithmetic expressions. I can do the evaluation but can somebody help me to convert the strings to prefix notation?
