* Copyright (C) , 2017
* Do not share this file with anyone
#ifndef __LEXER__H__
#define __LEXER__H__
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#include
#include
#include “inputbuf.h”
// ——- token types ——————-
typedef enum { END_OF_FILE = 0,
SCALAR, ARRAY, OUTPUT, PLUS, MINUS, DIV, MULT,
EQUAL, SEMICOLON,
LBRAC, RBRAC, LPAREN, RPAREN, LBRACE, RBRACE,
DOT, NUM, ID, ERROR
} TokenType;
class Token {
void Print();
std::string lexeme;
TokenType token_type;
int line_no;
class LexicalAnalyzer {
Token GetToken();
void UngetToken(int);
Token peek(int);
LexicalAnalyzer();
std::vector
Token GetTokenMain();
int line_no;
int index;
Token tmp;
InputBuffer input;
bool SkipSpace();
int FindKeywordIndex(std::string);
Token ScanIdOrKeyword();
Token ScanNumber();
#endif //__LEXER__H__
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