1 | /**
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2 | ** @file mruby/irep.h - mrb_irep structure
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3 | **
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4 | ** See Copyright Notice in mruby.h
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5 | */
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6 |
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7 | #ifndef MRUBY_IREP_H
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8 | #define MRUBY_IREP_H
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9 |
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10 | #include "common.h"
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11 | #include <mruby/compile.h>
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12 |
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13 | /**
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14 | * Compiled mruby scripts.
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15 | */
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16 | MRB_BEGIN_DECL
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17 |
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18 | enum irep_pool_type {
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19 | IREP_TT_STRING,
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20 | IREP_TT_FIXNUM,
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21 | IREP_TT_FLOAT,
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22 | };
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23 |
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24 | struct mrb_locals {
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25 | mrb_sym name;
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26 | uint16_t r;
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27 | };
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28 |
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29 | /* Program data array struct */
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30 | typedef struct mrb_irep {
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31 | uint16_t nlocals; /* Number of local variables */
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32 | uint16_t nregs; /* Number of register variables */
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33 | uint8_t flags;
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34 |
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35 | const mrb_code *iseq;
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36 | mrb_value *pool;
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37 | mrb_sym *syms;
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38 | struct mrb_irep **reps;
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39 |
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40 | struct mrb_locals *lv;
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41 | /* debug info */
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42 | struct mrb_irep_debug_info* debug_info;
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43 |
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44 | uint16_t ilen, plen, slen, rlen;
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45 | uint32_t refcnt;
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46 | } mrb_irep;
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47 |
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48 | #define MRB_ISEQ_NO_FREE 1
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49 |
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50 | MRB_API mrb_irep *mrb_add_irep(mrb_state *mrb);
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51 |
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52 | /* @param [const uint8_t*] irep code, expected as a literal */
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53 | MRB_API mrb_value mrb_load_irep(mrb_state*, const uint8_t*);
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54 |
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55 | /*
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56 | * @param [const void*] irep code
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57 | * @param [size_t] size of irep buffer. If -1 is given, it is considered unrestricted.
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58 | */
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59 | MRB_API mrb_value mrb_load_irep_buf(mrb_state*, const void*, size_t);
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60 |
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61 | /* @param [const uint8_t*] irep code, expected as a literal */
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62 | MRB_API mrb_value mrb_load_irep_cxt(mrb_state*, const uint8_t*, mrbc_context*);
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63 |
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64 | /*
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65 | * @param [const void*] irep code
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66 | * @param [size_t] size of irep buffer. If -1 is given, it is considered unrestricted.
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67 | */
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68 | MRB_API mrb_value mrb_load_irep_buf_cxt(mrb_state*, const void*, size_t, mrbc_context*);
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69 |
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70 | void mrb_irep_free(mrb_state*, struct mrb_irep*);
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71 | void mrb_irep_incref(mrb_state*, struct mrb_irep*);
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72 | void mrb_irep_decref(mrb_state*, struct mrb_irep*);
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73 | void mrb_irep_cutref(mrb_state*, struct mrb_irep*);
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74 | void mrb_irep_remove_lv(mrb_state *mrb, mrb_irep *irep);
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75 |
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76 | struct mrb_insn_data {
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77 | uint8_t insn;
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78 | uint16_t a;
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79 | uint16_t b;
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80 | uint8_t c;
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81 | };
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82 |
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83 | struct mrb_insn_data mrb_decode_insn(const mrb_code *pc);
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84 |
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85 | MRB_END_DECL
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86 |
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87 | #endif /* MRUBY_IREP_H */
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