Exemplo n.º 1
0
Arquivo: def.c Projeto: Phuehvk/upb
upb_fielddef *upb_fielddef_dup(const upb_fielddef *f, const void *owner) {
  upb_fielddef *newf = upb_fielddef_new(owner);
  if (!newf) return NULL;
  upb_fielddef_settype(newf, upb_fielddef_type(f));
  upb_fielddef_setlabel(newf, upb_fielddef_label(f));
  upb_fielddef_setnumber(newf, upb_fielddef_number(f), NULL);
  upb_fielddef_setname(newf, upb_fielddef_name(f), NULL);
  if (f->default_is_string) {
    str_t *s = upb_value_getptr(upb_fielddef_default(f));
    upb_fielddef_setdefaultstr(newf, s->str, s->len, NULL);
  } else {
    upb_fielddef_setdefault(newf, upb_fielddef_default(f));
  }

  const char *srcname;
  if (f->subdef_is_symbolic) {
    srcname = f->sub.name;  // Might be NULL.
  } else {
    srcname = f->sub.def ? upb_def_fullname(f->sub.def) : NULL;
  }
  if (srcname) {
    char *newname = malloc(strlen(f->sub.def->fullname) + 2);
    if (!newname) {
      upb_fielddef_unref(newf, owner);
      return NULL;
    }
    strcpy(newname, ".");
    strcat(newname, f->sub.def->fullname);
    upb_fielddef_setsubdefname(newf, newname, NULL);
    free(newname);
  }

  return newf;
}
Exemplo n.º 2
0
static void track(const upb_refcounted *r, const void *owner, bool ref2) {
  assert(owner);
  if (owner == UPB_UNTRACKED_REF) return;

  upb_lock();
  upb_value v;
  if (upb_inttable_lookupptr(r->refs, owner, &v)) {
    trackedref *ref = upb_value_getptr(v);
    // Since we allow multiple ref2's for the same to/from pair without
    // allocating separate memory for each one, we lose the fine-grained
    // tracking behavior we get with regular refs.  Since ref2s only happen
    // inside upb, we'll accept this limitation until/unless there is a really
    // difficult upb-internal bug that can't be figured out without it.
    assert(ref2);
    assert(ref->is_ref2);
    ref->count++;
  } else {
    trackedref *ref = trackedref_new(ref2);
    bool ok = upb_inttable_insertptr(r->refs, owner, upb_value_ptr(ref));
    CHECK_OOM(ok);
    if (ref2) {
      // We know this cast is safe when it is a ref2, because it's coming from
      // another refcounted object.
      const upb_refcounted *from = owner;
      assert(!upb_inttable_lookupptr(from->ref2s, r, NULL));
      ok = upb_inttable_insertptr(from->ref2s, r, upb_value_ptr(NULL));
      CHECK_OOM(ok);
    }
  }
  upb_unlock();
}
Exemplo n.º 3
0
// Rewrites the dispatch tables into machine code offsets.
static void patchdispatch(jitcompiler *jc) {
  upb_inttable_iter i;
  upb_inttable_begin(&i, &jc->group->methods);
  for (; !upb_inttable_done(&i); upb_inttable_next(&i)) {
    upb_pbdecodermethod *method = upb_value_getptr(upb_inttable_iter_value(&i));
    method->is_native_ = true;

    upb_inttable *dispatch = &method->dispatch;
    upb_inttable_iter i2;
    upb_inttable_begin(&i2, dispatch);
    for (; !upb_inttable_done(&i2); upb_inttable_next(&i2)) {
      uintptr_t key = upb_inttable_iter_key(&i2);
      if (key == 0) continue;
      uint64_t val = upb_value_getuint64(upb_inttable_iter_value(&i2));
      uint64_t newval;
      if (key <= UPB_MAX_FIELDNUMBER) {
        // Primary slot.
        uint64_t oldofs = val >> 16;
        uint64_t newofs = dispatchofs(jc, method, oldofs);
        newval = (val & 0xffff) | (newofs << 16);
        assert((int64_t)newval > 0);
      } else {
        // Secondary slot.  Since we have 64 bits for the value, we use an
        // absolute offset.
        newval = (uint64_t)(jc->group->jit_code + nativeofs(jc, method, val));
      }
      bool ok = upb_inttable_replace(dispatch, key, upb_value_uint64(newval));
      UPB_ASSERT_VAR(ok, ok);
    }
Exemplo n.º 4
0
Arquivo: handlers.c Projeto: YauzZ/upb
// TODO(haberman): discard upb_handlers* objects that do not actually have any
// handlers set and cannot reach any upb_handlers* object that does.  This is
// slightly tricky to do correctly.
static upb_handlers *newformsg(const upb_msgdef *m, const void *owner,
                               dfs_state *s) {
  upb_handlers *h = upb_handlers_new(m, owner);
  if (!h) return NULL;
  if (!upb_inttable_insertptr(&s->tab, m, upb_value_ptr(h))) goto oom;

  s->callback(s->closure, h);

  // For each submessage field, get or create a handlers object and set it as
  // the subhandlers.
  upb_msg_iter i;
  for(upb_msg_begin(&i, m); !upb_msg_done(&i); upb_msg_next(&i)) {
    upb_fielddef *f = upb_msg_iter_field(&i);
    if (!upb_fielddef_issubmsg(f)) continue;

    const upb_msgdef *subdef = upb_downcast_msgdef(upb_fielddef_subdef(f));
    upb_value subm_ent;
    if (upb_inttable_lookupptr(&s->tab, subdef, &subm_ent)) {
      upb_handlers_setsubhandlers(h, f, upb_value_getptr(subm_ent));
    } else {
      upb_handlers *sub_mh = newformsg(subdef, &sub_mh, s);
      if (!sub_mh) goto oom;
      upb_handlers_setsubhandlers(h, f, sub_mh);
      upb_handlers_unref(sub_mh, &sub_mh);
    }
  }
  return h;

oom:
  upb_handlers_unref(h, owner);
  return NULL;
}
Exemplo n.º 5
0
// Pops an obj from the Tarjan stack and sets it to WHITE, with a ptr to its
// SCC group.
static upb_refcounted *pop(tarjan *t) {
  upb_refcounted *r = upb_value_getptr(upb_inttable_pop(&t->stack));
  assert(color(t, r) == GREEN);
  // This defines the attr layout for nodes in the WHITE state.
  // Top of group stack is [group, NULL]; we point at group.
  setattr(t, r, WHITE | (upb_inttable_count(&t->groups) - 2) << 8);
  return r;
}
Exemplo n.º 6
0
Arquivo: def.c Projeto: Phuehvk/upb
const char *upb_fielddef_defaultstr(const upb_fielddef *f, size_t *len) {
  assert(f->type_is_set_);
  if (f->default_is_string) {
    str_t *str = upb_value_getptr(f->defaultval);
    if (len) *len = str->len;
    return str->str;
  }
  return NULL;
}
Exemplo n.º 7
0
static void checkref(const upb_refcounted *r, const void *owner, bool ref2) {
  upb_lock();
  upb_value v;
  bool found = upb_inttable_lookupptr(r->refs, owner, &v);
  UPB_ASSERT_VAR(found, found);
  trackedref *ref = upb_value_getptr(v);
  assert(ref->is_ref2 == ref2);
  upb_unlock();
}
Exemplo n.º 8
0
static void visitgroup(const upb_refcounted *r, upb_refcounted_visit *visit,
                       void *closure) {
  const mgroup *g = (const mgroup*)r;
  upb_inttable_iter i;
  upb_inttable_begin(&i, &g->methods);
  for(; !upb_inttable_done(&i); upb_inttable_next(&i)) {
    upb_pbdecodermethod *method = upb_value_getptr(upb_inttable_iter_value(&i));
    visit(r, UPB_UPCAST(method), closure);
  }
}
Exemplo n.º 9
0
void upb_msgfactory_free(upb_msgfactory *f) {
  upb_inttable_iter i;
  upb_inttable_begin(&i, &f->layouts);
  for(; !upb_inttable_done(&i); upb_inttable_next(&i)) {
    upb_msglayout *l = upb_value_getptr(upb_inttable_iter_value(&i));
    upb_msglayout_free(l);
  }

  upb_inttable_uninit(&f->layouts);
  upb_gfree(f);
}
Exemplo n.º 10
0
Arquivo: symtab.c Projeto: atdt/upb
static void upb_symtab_free(upb_refcounted *r) {
  upb_symtab *s = (upb_symtab*)r;
  upb_strtable_iter i;
  upb_strtable_begin(&i, &s->symtab);
  for (; !upb_strtable_done(&i); upb_strtable_next(&i)) {
    const upb_def *def = upb_value_getptr(upb_strtable_iter_value(&i));
    upb_def_unref(def, s);
  }
  upb_strtable_uninit(&s->symtab);
  free(s);
}
Exemplo n.º 11
0
const upb_msglayout *upb_msgfactory_getlayout(upb_msgfactory *f,
                                              const upb_msgdef *m) {
  upb_value v;
  UPB_ASSERT(upb_symtab_lookupmsg(f->symtab, upb_msgdef_fullname(m)) == m);
  UPB_ASSERT(!upb_msgdef_mapentry(m));

  if (upb_inttable_lookupptr(&f->layouts, m, &v)) {
    UPB_ASSERT(upb_value_getptr(v));
    return upb_value_getptr(v);
  } else {
    /* In case of circular dependency, layout has to be inserted first. */
    upb_msglayout *l = upb_gmalloc(sizeof(*l));
    upb_msgfactory *mutable_f = (void*)f;
    upb_inttable_insertptr(&mutable_f->layouts, m, upb_value_ptr(l));
    UPB_ASSERT(l);
    if (!upb_msglayout_init(m, l, f)) {
      upb_msglayout_free(l);
    }
    return l;
  }
}
Exemplo n.º 12
0
Arquivo: def.c Projeto: Phuehvk/upb
void upb_fielddef_setdefault(upb_fielddef *f, upb_value value) {
  assert(f->type_is_set_);
  assert(!upb_fielddef_isfrozen(f));
  assert(!upb_fielddef_isstring(f) && !upb_fielddef_issubmsg(f));
  if (f->default_is_string) {
    str_t *s = upb_value_getptr(f->defaultval);
    assert(s);
    freestr(s);
  }
  f->defaultval = value;
  f->default_is_string = false;
}
Exemplo n.º 13
0
static void freejitcompiler(jitcompiler *jc) {
  upb_inttable_iter i;
  upb_inttable_begin(&i, &jc->asmlabels);
  for (; !upb_inttable_done(&i); upb_inttable_next(&i)) {
    free(upb_value_getptr(upb_inttable_iter_value(&i)));
  }
  upb_inttable_uninit(&jc->asmlabels);
  upb_inttable_uninit(&jc->pclabels);
  upb_inttable_uninit(&jc->pcdefined);
  dasm_free(jc);
  free(jc->globals);
  free(jc);
}
Exemplo n.º 14
0
Arquivo: symtab.c Projeto: atdt/upb
/* Given a symbol and the base symbol inside which it is defined, find the
 * symbol's definition in t. */
static upb_def *upb_resolvename(const upb_strtable *t,
                                const char *base, const char *sym) {
  if(strlen(sym) == 0) return NULL;
  if(sym[0] == '.') {
    /* Symbols starting with '.' are absolute, so we do a single lookup.
     * Slice to omit the leading '.' */
    upb_value v;
    return upb_strtable_lookup(t, sym + 1, &v) ? upb_value_getptr(v) : NULL;
  } else {
    /* Remove components from base until we find an entry or run out.
     * TODO: This branch is totally broken, but currently not used. */
    (void)base;
    assert(false);
    return NULL;
  }
}
Exemplo n.º 15
0
Arquivo: def.c Projeto: Phuehvk/upb
bool upb_fielddef_setdefaultstr(upb_fielddef *f, const void *str, size_t len,
                                upb_status *s) {
  assert(upb_fielddef_isstring(f) || f->type_ == UPB_TYPE_ENUM);
  if (f->type_ == UPB_TYPE_ENUM && !upb_isident(str, len, false, s))
    return false;

  if (f->default_is_string) {
    str_t *s = upb_value_getptr(f->defaultval);
    assert(s);
    freestr(s);
  } else {
    assert(f->type_ == UPB_TYPE_ENUM);
  }

  str_t *str2 = newstr(str, len);
  upb_value_setptr(&f->defaultval, str2);
  f->default_is_string = true;
  return true;
}
Exemplo n.º 16
0
// Populates the given UPB_CTYPE_INT32 inttable with counts of ref2's that
// originate from the given owner.
static void getref2s(const upb_refcounted *owner, upb_inttable *tab) {
  upb_lock();
  upb_inttable_iter i;
  upb_inttable_begin(&i, owner->ref2s);
  for(; !upb_inttable_done(&i); upb_inttable_next(&i)) {
    upb_refcounted *to = (upb_refcounted*)upb_inttable_iter_key(&i);

    // To get the count we need to look in the target's table.
    upb_value v;
    bool found = upb_inttable_lookupptr(to->refs, owner, &v);
    assert(found);
    trackedref *ref = upb_value_getptr(v);
    upb_value count = upb_value_int32(ref->count);

    bool ok = upb_inttable_insertptr(tab, to, count);
    CHECK_OOM(ok);
  }
  upb_unlock();
}
Exemplo n.º 17
0
void upb_stdmsg_free(void *m, const upb_msgdef *md) {
  if (m == NULL) return;
  upb_msg_iter i;
  for(i = upb_msg_begin(md); !upb_msg_done(i); i = upb_msg_next(md, i)) {
    upb_fielddef *f = upb_msg_iter_field(i);
    if (!upb_isseq(f) && !upb_issubmsg(f) && !upb_isstring(f)) continue;
    void *subp = upb_value_getptr(upb_stdmsg_getptr(m, f->fval));
    if (subp == NULL) continue;
    if (upb_isseq(f)) {
      upb_stdseq_free(subp, f);
    } else if (upb_issubmsg(f)) {
      upb_stdmsg_free(subp, upb_downcast_msgdef(f->def));
    } else {
      upb_stdarray *str = subp;
      free(str->ptr);
      free(str);
    }
  }
  free(m);
}
Exemplo n.º 18
0
Arquivo: def.c Projeto: Phuehvk/upb
bool upb_fielddef_resolveenumdefault(upb_fielddef *f, upb_status *s) {
  if (!upb_fielddef_default_is_symbolic(f)) return true;

  str_t *str = upb_value_getptr(f->defaultval);
  const upb_enumdef *e = upb_downcast_enumdef(upb_fielddef_subdef(f));
  assert(str);  // Points to either a real default or the empty string.
  assert(e);
  if (str->len == 0) {
    // The "default default" for an enum is the first defined value.
    upb_value_setint32(&f->defaultval, e->defaultval);
  } else {
    int32_t val = 0;
    if (!upb_enumdef_ntoi(e, str->str, &val)) {
      upb_status_seterrf(s, "enum default not found in enum (%s)", str->str);
      return false;
    }
    upb_value_setint32(&f->defaultval, val);
  }
  f->default_is_string = false;
  freestr(str);
  return true;
}
Exemplo n.º 19
0
static void untrack(const upb_refcounted *r, const void *owner, bool ref2) {
  assert(owner);
  if (owner == UPB_UNTRACKED_REF) return;

  upb_lock();
  upb_value v;
  bool found = upb_inttable_lookupptr(r->refs, owner, &v);
  // This assert will fail if an owner attempts to release a ref it didn't have.
  UPB_ASSERT_VAR(found, found);
  trackedref *ref = upb_value_getptr(v);
  assert(ref->is_ref2 == ref2);
  if (--ref->count == 0) {
    free(ref);
    upb_inttable_removeptr(r->refs, owner, NULL);
    if (ref2) {
      // We know this cast is safe when it is a ref2, because it's coming from
      // another refcounted object.
      const upb_refcounted *from = owner;
      bool removed = upb_inttable_removeptr(from->ref2s, r, NULL);
      assert(removed);
    }
  }
  upb_unlock();
}
Exemplo n.º 20
0
Arquivo: symtab.c Projeto: atdt/upb
const upb_def *upb_symtab_iter_def(const upb_symtab_iter *iter) {
  return upb_value_getptr(upb_strtable_iter_value(&iter->iter));
}
Exemplo n.º 21
0
Arquivo: def.c Projeto: Phuehvk/upb
const upb_fielddef *upb_msgdef_ntof(const upb_msgdef *m, const char *name) {
  upb_value val;
  return upb_strtable_lookup(&m->ntof, name, &val) ?
      upb_value_getptr(val) : NULL;
}
Exemplo n.º 22
0
Arquivo: def.c Projeto: Phuehvk/upb
const upb_fielddef *upb_msgdef_itof(const upb_msgdef *m, uint32_t i) {
  upb_value val;
  return upb_inttable_lookup32(&m->itof, i, &val) ?
      upb_value_getptr(val) : NULL;
}
Exemplo n.º 23
0
Arquivo: def.c Projeto: Phuehvk/upb
static void upb_fielddef_uninit_default(upb_fielddef *f) {
  if (f->type_is_set_ && f->default_is_string)
    freestr(upb_value_getptr(f->defaultval));
}
Exemplo n.º 24
0
Arquivo: def.c Projeto: Phuehvk/upb
upb_fielddef *upb_msg_iter_field(upb_msg_iter *iter) {
  return (upb_fielddef*)upb_value_getptr(upb_inttable_iter_value(iter));
}
Exemplo n.º 25
0
const upb_fielddef *upb_msgdef_itof(const upb_msgdef *m, uint32_t i) {
  const upb_value *val = upb_inttable_lookup32(&m->itof, i);
  return val ? (const upb_fielddef*)upb_value_getptr(*val) : NULL;
}
Exemplo n.º 26
0
Arquivo: symtab.c Projeto: atdt/upb
const upb_def *upb_symtab_lookup(const upb_symtab *s, const char *sym) {
  upb_value v;
  upb_def *ret = upb_strtable_lookup(&s->symtab, sym, &v) ?
      upb_value_getptr(v) : NULL;
  return ret;
}
Exemplo n.º 27
0
const upb_fielddef *upb_msgdef_ntof(const upb_msgdef *m, const char *name) {
  const upb_value *val = upb_strtable_lookup(&m->ntof, name);
  return val ? (upb_fielddef*)upb_value_getptr(*val) : NULL;
}
Exemplo n.º 28
0
Arquivo: symtab.c Projeto: atdt/upb
/* TODO(haberman): we need a lot more testing of error conditions.
 * The came_from_user stuff in particular is not tested. */
bool upb_symtab_add(upb_symtab *s, upb_def *const*defs, int n, void *ref_donor,
                    upb_status *status) {
  int i;
  upb_strtable_iter iter;
  upb_def **add_defs = NULL;
  upb_strtable addtab;
  upb_inttable seen;

  assert(!upb_symtab_isfrozen(s));
  if (!upb_strtable_init(&addtab, UPB_CTYPE_PTR)) {
    upb_status_seterrmsg(status, "out of memory");
    return false;
  }

  /* Add new defs to our "add" set. */
  for (i = 0; i < n; i++) {
    upb_def *def = defs[i];
    const char *fullname;
    upb_fielddef *f;

    if (upb_def_isfrozen(def)) {
      upb_status_seterrmsg(status, "added defs must be mutable");
      goto err;
    }
    assert(!upb_def_isfrozen(def));
    fullname = upb_def_fullname(def);
    if (!fullname) {
      upb_status_seterrmsg(
          status, "Anonymous defs cannot be added to a symtab");
      goto err;
    }

    f = upb_dyncast_fielddef_mutable(def);

    if (f) {
      if (!upb_fielddef_containingtypename(f)) {
        upb_status_seterrmsg(status,
                             "Standalone fielddefs must have a containing type "
                             "(extendee) name set");
        goto err;
      }
    } else {
      if (upb_strtable_lookup(&addtab, fullname, NULL)) {
        upb_status_seterrf(status, "Conflicting defs named '%s'", fullname);
        goto err;
      }
      /* We need this to back out properly, because if there is a failure we
       * need to donate the ref back to the caller. */
      def->came_from_user = true;
      upb_def_donateref(def, ref_donor, s);
      if (!upb_strtable_insert(&addtab, fullname, upb_value_ptr(def)))
        goto oom_err;
    }
  }

  /* Add standalone fielddefs (ie. extensions) to the appropriate messages.
   * If the appropriate message only exists in the existing symtab, duplicate
   * it so we have a mutable copy we can add the fields to. */
  for (i = 0; i < n; i++) {
    upb_def *def = defs[i];
    upb_fielddef *f = upb_dyncast_fielddef_mutable(def);
    const char *msgname;
    upb_value v;
    upb_msgdef *m;

    if (!f) continue;
    msgname = upb_fielddef_containingtypename(f);
    /* We validated this earlier in this function. */
    assert(msgname);

    /* If the extendee name is absolutely qualified, move past the initial ".".
     * TODO(haberman): it is not obvious what it would mean if this was not
     * absolutely qualified. */
    if (msgname[0] == '.') {
      msgname++;
    }

    if (upb_strtable_lookup(&addtab, msgname, &v)) {
      /* Extendee is in the set of defs the user asked us to add. */
      m = upb_value_getptr(v);
    } else {
      /* Need to find and dup the extendee from the existing symtab. */
      const upb_msgdef *frozen_m = upb_symtab_lookupmsg(s, msgname);
      if (!frozen_m) {
        upb_status_seterrf(status,
                           "Tried to extend message %s that does not exist "
                           "in this SymbolTable.",
                           msgname);
        goto err;
      }
      m = upb_msgdef_dup(frozen_m, s);
      if (!m) goto oom_err;
      if (!upb_strtable_insert(&addtab, msgname, upb_value_ptr(m))) {
        upb_msgdef_unref(m, s);
        goto oom_err;
      }
    }

    if (!upb_msgdef_addfield(m, f, ref_donor, status)) {
      goto err;
    }
  }

  /* Add dups of any existing def that can reach a def with the same name as
   * anything in our "add" set. */
  if (!upb_inttable_init(&seen, UPB_CTYPE_BOOL)) goto oom_err;
  upb_strtable_begin(&iter, &s->symtab);
  for (; !upb_strtable_done(&iter); upb_strtable_next(&iter)) {
    upb_def *def = upb_value_getptr(upb_strtable_iter_value(&iter));
    upb_resolve_dfs(def, &addtab, s, &seen, status);
    if (!upb_ok(status)) goto err;
  }
  upb_inttable_uninit(&seen);

  /* Now using the table, resolve symbolic references for subdefs. */
  upb_strtable_begin(&iter, &addtab);
  for (; !upb_strtable_done(&iter); upb_strtable_next(&iter)) {
    const char *base;
    upb_def *def = upb_value_getptr(upb_strtable_iter_value(&iter));
    upb_msgdef *m = upb_dyncast_msgdef_mutable(def);
    upb_msg_field_iter j;

    if (!m) continue;
    /* Type names are resolved relative to the message in which they appear. */
    base = upb_msgdef_fullname(m);

    for(upb_msg_field_begin(&j, m);
        !upb_msg_field_done(&j);
        upb_msg_field_next(&j)) {
      upb_fielddef *f = upb_msg_iter_field(&j);
      const char *name = upb_fielddef_subdefname(f);
      if (name && !upb_fielddef_subdef(f)) {
        /* Try the lookup in the current set of to-be-added defs first. If not
         * there, try existing defs. */
        upb_def *subdef = upb_resolvename(&addtab, base, name);
        if (subdef == NULL) {
          subdef = upb_resolvename(&s->symtab, base, name);
        }
        if (subdef == NULL) {
          upb_status_seterrf(
              status, "couldn't resolve name '%s' in message '%s'", name, base);
          goto err;
        } else if (!upb_fielddef_setsubdef(f, subdef, status)) {
          goto err;
        }
      }
    }
  }

  /* We need an array of the defs in addtab, for passing to upb_def_freeze. */
  add_defs = malloc(sizeof(void*) * upb_strtable_count(&addtab));
  if (add_defs == NULL) goto oom_err;
  upb_strtable_begin(&iter, &addtab);
  for (n = 0; !upb_strtable_done(&iter); upb_strtable_next(&iter)) {
    add_defs[n++] = upb_value_getptr(upb_strtable_iter_value(&iter));
  }

  if (!upb_def_freeze(add_defs, n, status)) goto err;

  /* This must be delayed until all errors have been detected, since error
   * recovery code uses this table to cleanup defs. */
  upb_strtable_uninit(&addtab);

  /* TODO(haberman) we don't properly handle errors after this point (like
   * OOM in upb_strtable_insert() below). */
  for (i = 0; i < n; i++) {
    upb_def *def = add_defs[i];
    const char *name = upb_def_fullname(def);
    upb_value v;
    bool success;

    if (upb_strtable_remove(&s->symtab, name, &v)) {
      const upb_def *def = upb_value_getptr(v);
      upb_def_unref(def, s);
    }
    success = upb_strtable_insert(&s->symtab, name, upb_value_ptr(def));
    UPB_ASSERT_VAR(success, success == true);
  }
  free(add_defs);
  return true;

oom_err:
  upb_status_seterrmsg(status, "out of memory");
err: {
    /* For defs the user passed in, we need to donate the refs back.  For defs
     * we dup'd, we need to just unref them. */
    upb_strtable_begin(&iter, &addtab);
    for (; !upb_strtable_done(&iter); upb_strtable_next(&iter)) {
      upb_def *def = upb_value_getptr(upb_strtable_iter_value(&iter));
      bool came_from_user = def->came_from_user;
      def->came_from_user = false;
      if (came_from_user) {
        upb_def_donateref(def, s, ref_donor);
      } else {
        upb_def_unref(def, s);
      }
    }
  }
  upb_strtable_uninit(&addtab);
  free(add_defs);
  assert(!upb_ok(status));
  return false;
}
Exemplo n.º 29
0
Arquivo: symtab.c Projeto: atdt/upb
const upb_enumdef *upb_symtab_lookupenum(const upb_symtab *s, const char *sym) {
  upb_value v;
  upb_def *def = upb_strtable_lookup(&s->symtab, sym, &v) ?
      upb_value_getptr(v) : NULL;
  return def ? upb_dyncast_enumdef(def) : NULL;
}