#ifndef AS_DCPU16_H_PTFNJB09
#define AS_DCPU16_H_PTFNJB09

#include "dcpu16.h"

struct instruction_ {
    char *label;  /* set if a label points here */
    char *opcode; /* tokenized instruction text */
    struct operand_ *operands;  /* list of operands */
    unsigned int ready : 1; /* bytecode computed? */
    unsigned int length; /* number of words of bytecode */
    DCPU16_WORD instr_words[];
};


struct operand_ {
    struct operand_ *next;
    char *operand; /* tokenized operand text */
};


#define IL_SIZE(entries) (((entries) * sizeof(struct instruction_ *)) + sizeof(struct instruction_list_))

struct instruction_list_ {
    size_t allocated;
    size_t entries;
    struct instruction_ *instr[];
};


/* note label table holds its own structs, not pointers like instruction list */
struct label_ {
    char *label; /* name of label */
    struct instruction_ **instr; /* pointer into instruction list table */
    unsigned int ready : 1; /* do we know where this label is yet? */
    DCPU16_WORD addr;
};

#define LL_SIZE(entries) (((entries) * sizeof(struct label_ *)) + sizeof(struct label_list_))

struct label_list_ {
    size_t allocated;
    size_t entries;
    struct label_ label[];
};

#endif /* AS_DCPU16_H_PTFNJB09 */