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Scanner.h
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Scanner.h
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#ifndef SCANNER_H
#define SCANNER_H
#include <map>
#include <vector>
#include "Token.h"
class Scanner
{
public:
Scanner(const char* filename);
~Scanner();
bool initialize();
bool scan(Token& tok);
int getLineNumber() { return mLineNumber; }
enum charclass
{
DIGIT,
LOWER,
UPPER,
UNDERSCORE,
FORWARDSLASH,
ASTERISK,
PLUS,
MINUS,
LT,
GT,
DOUBLEQUOTE,
EQUALS,
WHITESPACE,
BRACKET,
EXCLAMATION,
LOGICALOP,
COLON,
SEMICOLON,
COMMA,
OTHER
};
static const charclass charclasses[128];
private:
struct error
{
int lineNum;
std::string msg;
};
void printError(error&);
void printIllegalCharacterError(char c);
FILE* mFile;
std::string mFilename;
int mLineNumber;
std::map<std::string, Token::tokentype> mStrings;
typedef std::map<std::string, Token::tokentype>::iterator StringIt;
};
#endif //SCANNER_H