git.squeep.com Git - dcpu16/blob - as-dcpu16.h

   1 #ifndef AS_DCPU16_H_PTFNJB09
   2 #define AS_DCPU16_H_PTFNJB09
   3
   4 #include "dcpu16.h"
   5
   6 struct instruction_ {
   7     char *label;  /* set if a label points here */
   8     char *opcode; /* tokenized instruction text */
   9     struct operand_ *operands;  /* list of operands */
  10     unsigned int ready : 1; /* bytecode computed? */
  11     unsigned int length; /* number of words of bytecode */
  12     DCPU16_WORD instr_words[];
  13 };
  14
  15
  16 struct operand_ {
  17     struct operand_ *next;
  18     char *operand; /* tokenized operand text */
  19 };
  20
  21
  22 #define IL_SIZE(entries) (((entries) * sizeof(struct instruction_ *)) + sizeof(struct instruction_list_))
  23
  24 struct instruction_list_ {
  25     size_t allocated;
  26     size_t entries;
  27     struct instruction_ *instr[];
  28 };
  29
  30
  31 /* note label table holds its own structs, not pointers like instruction list */
  32 struct label_ {
  33     char *label; /* name of label */
  34     struct instruction_ **instr; /* pointer into instruction list table */
  35     unsigned int ready : 1; /* do we know where this label is yet? */
  36     DCPU16_WORD addr;
  37 };
  38
  39 #define LL_SIZE(entries) (((entries) * sizeof(struct label_ *)) + sizeof(struct label_list_))
  40
  41 struct label_list_ {
  42     size_t allocated;
  43     size_t entries;
  44     struct label_ label[];
  45 };
  46
  47 #endif /* AS_DCPU16_H_PTFNJB09 */