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#ifndef PARSER_PARSER_H_
#define PARSER_PARSER_H_
#include <vector>
#include <stack>
#include <exception>
#include "tree.h"
namespace SimpleParser {
class Parser {
public:
double calculate(std::string);
private:
int8_t getPriority(char);
std::vector<std::string> lexer(std::string);
Node* buildTree(Tree*, std::string);
};
class parenthese_exception: public std::exception {
virtual const char* what() const throw() {
return "Invalid parenthesized expression - check your input term.";
}
};
class operator_exception: public std::exception {
virtual const char* what() const throw() {
return "Unexpected operator placement - check your input term.";
}
};
}
#endif // PARSER_PARSER_H_
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