/**

* @file scanner.h

* @author Marek Gergel (xgerge01)

* @brief IFJ20 - Header for operations with tokens

*/

#ifndef SCANNER_H

#define SCANNER_H

#include <stdio.h>

#include "error.h"

#include "string.h"

#include "tokenlist.h"

//assign inside NOT allowed

#define IS_EOL(c) (c == '\n' || c == '\r')

#define IS_NOT_TOKEN(c) (c == ' ' || c == '\t' || c == '\0')

#define IS_NUMBER(c) (c > 47 && c < 58) // 0-9

#define IS_NUMBER_HEX(c) ((c > 47 && c < 58) || (c > 64 && c < 71) || (c > 96 && c < 103))

#define IS_APLHA(c) ((c > 64 && c < 91) || (c > 96 && c < 123)) // a-z || A-Z

#define IS_EXPONENT(c) (c == 'e' || c == 'E')

//assign inside allowed

#define IS_EOF(c) ((c) == EOF)

#define IS_UNDERSCORE(c) ((c) == '_')

#define IS_DOUBLE_QUOTE(c) ((c) == '"')

#define IS_DOT(c) ((c) == '.')

#define IS_ZERO_CHAR(c) ((c) == '0')

#define IS_COLON(c) ((c) == ':')

#define IS_SEMICOLON(c) ((c) == ';')

#define IS_COMMA(c) ((c) == ',')

#define IS_MINUS(c) ((c) == '-')

#define IS_PLUS(c) ((c) == '+')

#define IS_SLASH(c) ((c) == '/')

#define IS_ASTERISK(c) ((c) == '*')

#define IS_AMPERSAND(c) ((c) == '&')

#define IS_VERTICAL_BAR(c) ((c) == '|')

#define IS_EXCLAMATION(c) ((c) == '!')

#define IS_EQUALS(c) ((c) == '=')

#define IS_LESS(c) ((c) == '<')

#define IS_GREATER(c) ((c) == '>')

#define IS_ROUND_OPEN(c) ((c) == '(')

#define IS_ROUND_CLOSE(c) ((c) == ')')

#define IS_CURLY_OPEN(c) ((c) == '{')

#define IS_CURLY_CLOSE(c) ((c) == '}')

//keywords

#define KW_INT(s) (!strcmp("int", s))

#define KW_FLOAT64(s) (!strcmp("float64", s))

#define KW_STRING(s) (!strcmp("string", s))

#define KW_IF(s) (!strcmp("if", s))

#define KW_ELSE(s) (!strcmp("else", s))

#define KW_FOR(s) (!strcmp("for", s))

#define KW_FUNC(s) (!strcmp("func", s))

#define KW_RETURN(s) (!strcmp("return", s))

#define KW_PACKAGE(s) (!strcmp("package", s))

void getTokens();

#endif // SCANNER_H