scan.h

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#pragma once
#ifndef INC_SCAN_H
#define INC_SCAN_H
#include "global.h"
#include "lexer.h" // [macro] othertoken; [var] curcmd,
#include "str.h"   // [type] widthoffset
 
enum TokenLevel {
    INT_VAL,   
    DIMEN_VAL, 
    GLUE_VAL,  
    MU_VAL,    
    IDENT_VAL, 
    TOK_VAL,   
}; // [#410] enum TokenLevel
 
#define INPUT_LINE_NO_CODE  (GLUE_VAL + 1)
#define BADNESS_CODE        (GLUE_VAL + 2)
#define MAX_DIMEN   1073741823L
#define ZERO_TOKEN  (othertoken + '0')
// [#448] label
// /// go here to pack cur val and f into cur val
// #define attachfraction  88
// //// go here when cur val is correct except perhaps for sign
// #define attachsign      89
 
#define SCAN_NORMAL_DIMEN() scan_dimen(false, false, false) // end group S402x463_P155x173
 
 
extern Integer cur_val;
extern SmallNumber cur_val_level;
extern SmallNumber radix;
extern GlueOrd cur_order;
 
 
extern void skip_spaces(void);
extern void skip_spaces_or_relax(void);
extern void scan_left_brace(void);
extern void scan_optional_equals(void);
extern Boolean scankeyword(StrNumber s);
// [tex] 1
extern void
scan_something_internal(SmallNumber level,
                      Boolean negative);
extern void scan_eight_bit_int(void);
extern void scan_char_num(void);
extern void scan_four_bit_int(void);
extern void scan_fifteen_bit_int(void);
extern void scan_twenty_seven_bit_int(void);
extern void scan_int(void);
extern void scan_dimen(Boolean mu, Boolean inf, Boolean shortcut);
extern void scan_glue(SmallNumber level);
extern HalfWord scan_rule_spec(void);
 
extern void scan_init();
 
#endif // INC_SCAN_H