rna_define.cc

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/* SPDX-FileCopyrightText: 2023 Blender Authors
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */
 
#include <cctype>
#include <cfloat>
#include <climits>
#include <cstddef>
#include <cstdio>
#include <cstdlib>
#include <cstring>
 
#include "BLI_utildefines.h"
#include "MEM_guardedalloc.h"
 
#include "DNA_defaults.h"
#include "DNA_genfile.h"
#include "DNA_sdna_types.h"
 
#include "BLI_ghash.h"
#include "BLI_listbase.h"
 
#include "BLT_translation.hh"
 
#include "UI_interface.hh" /* For things like UI_PRECISION_FLOAT_MAX... */
 
#include "RNA_define.hh"
 
#include "rna_internal.hh"
 
#include "CLG_log.h"
 
static CLG_LogRef LOG = {"rna.define"};
 
#ifndef NDEBUG
#  define ASSERT_SOFT_HARD_LIMITS \
    if (softmin < hardmin || softmax > hardmax) { \
      CLOG_ERROR(&LOG, "error with soft/hard limits: %s.%s", CONTAINER_RNA_ID(cont), identifier); \
      BLI_assert_msg(0, "invalid soft/hard limits"); \
    } \
    (void)0
#else
#  define ASSERT_SOFT_HARD_LIMITS (void)0
#endif
 
/* Global used during defining */
 
BlenderDefRNA DefRNA = {
    /*sdna*/ nullptr,
    /*structs*/ {nullptr, nullptr},
    /*allocs*/ {nullptr, nullptr},
    /*laststruct*/ nullptr,
    /*error*/ false,
    /*silent*/ false,
    /*preprocess*/ false,
    /*verify*/ true,
    /*animate*/ true,
    /*make_overridable*/ false,
};
 
#ifndef RNA_RUNTIME
static struct {
  GHash *type_map_static_from_alias;
} g_version_data;
#endif
 
#ifndef RNA_RUNTIME
static bool debugSRNA_defaults = false;
 
static void print_default_info(const PropertyDefRNA *dp)
{
  fprintf(stderr,
          "dna_type=%s, dna_offset=%d, dna_struct=%s, dna_name=%s, id=%s\n",
          dp->dnatype,
          dp->dnaoffset,
          dp->dnastructname,
          dp->dnaname,
          dp->prop->identifier);
}
#endif /* !RNA_RUNTIME */
 
void rna_addtail(ListBase *listbase, void *vlink)
{
  Link *link = static_cast<Link *>(vlink);
 
  link->next = nullptr;
  link->prev = static_cast<Link *>(listbase->last);
 
  if (listbase->last) {
    ((Link *)listbase->last)->next = link;
  }
  if (listbase->first == nullptr) {
    listbase->first = link;
  }
  listbase->last = link;
}
 
static void rna_remlink(ListBase *listbase, void *vlink)
{
  Link *link = static_cast<Link *>(vlink);
 
  if (link->next) {
    link->next->prev = link->prev;
  }
  if (link->prev) {
    link->prev->next = link->next;
  }
 
  if (listbase->last == link) {
    listbase->last = link->prev;
  }
  if (listbase->first == link) {
    listbase->first = link->next;
  }
}
 
PropertyDefRNA *rna_findlink(ListBase *listbase, const char *identifier)
{
  LISTBASE_FOREACH (Link *, link, listbase) {
    PropertyRNA *prop = ((PropertyDefRNA *)link)->prop;
    if (prop && STREQ(prop->identifier, identifier)) {
      return (PropertyDefRNA *)link;
    }
  }
  return nullptr;
}
 
void rna_freelinkN(ListBase *listbase, void *vlink)
{
  rna_remlink(listbase, vlink);
  MEM_freeN(vlink);
}
 
void rna_freelistN(ListBase *listbase)
{
  Link *link, *next;
 
  for (link = static_cast<Link *>(listbase->first); link; link = next) {
    next = link->next;
    MEM_freeN(link);
  }
 
  listbase->first = listbase->last = nullptr;
}
 
static void rna_brna_structs_add(BlenderRNA *brna, StructRNA *srna)
{
  rna_addtail(&brna->structs, srna);
  brna->structs_len += 1;
 
  /* This exception is only needed for pre-processing.
   * otherwise we don't allow empty names. */
  if ((srna->flag & STRUCT_PUBLIC_NAMESPACE) && (srna->identifier[0] != '\0')) {
    BLI_ghash_insert(brna->structs_map, (void *)srna->identifier, srna);
  }
}
 
#ifdef RNA_RUNTIME
static void rna_brna_structs_remove_and_free(BlenderRNA *brna, StructRNA *srna)
{
  if ((srna->flag & STRUCT_PUBLIC_NAMESPACE) && brna->structs_map) {
    if (srna->identifier[0] != '\0') {
      BLI_ghash_remove(brna->structs_map, (void *)srna->identifier, nullptr, nullptr);
    }
  }
 
  RNA_def_struct_free_pointers(nullptr, srna);
 
  if (srna->flag & STRUCT_RUNTIME) {
    rna_freelinkN(&brna->structs, srna);
  }
  brna->structs_len -= 1;
}
#endif
 
static int DNA_struct_find_index_wrapper(const SDNA *sdna, const char *type_name)
{
  type_name = DNA_struct_rename_legacy_hack_static_from_alias(type_name);
#ifdef RNA_RUNTIME
  /* We may support this at some point but for now we don't. */
  BLI_assert_unreachable();
#else
  type_name = static_cast<const char *>(BLI_ghash_lookup_default(
      g_version_data.type_map_static_from_alias, type_name, (void *)type_name));
#endif
  return DNA_struct_find_index_without_alias(sdna, type_name);
}
 
StructDefRNA *rna_find_struct_def(StructRNA *srna)
{
  StructDefRNA *dsrna;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  dsrna = static_cast<StructDefRNA *>(DefRNA.structs.last);
  for (; dsrna; dsrna = static_cast<StructDefRNA *>(dsrna->cont.prev)) {
    if (dsrna->srna == srna) {
      return dsrna;
    }
  }
 
  return nullptr;
}
 
PropertyDefRNA *rna_find_struct_property_def(StructRNA *srna, PropertyRNA *prop)
{
  StructDefRNA *dsrna;
  PropertyDefRNA *dprop;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  dsrna = rna_find_struct_def(srna);
  dprop = static_cast<PropertyDefRNA *>(dsrna->cont.properties.last);
  for (; dprop; dprop = dprop->prev) {
    if (dprop->prop == prop) {
      return dprop;
    }
  }
 
  dsrna = static_cast<StructDefRNA *>(DefRNA.structs.last);
  for (; dsrna; dsrna = static_cast<StructDefRNA *>(dsrna->cont.prev)) {
    dprop = static_cast<PropertyDefRNA *>(dsrna->cont.properties.last);
    for (; dprop; dprop = dprop->prev) {
      if (dprop->prop == prop) {
        return dprop;
      }
    }
  }
 
  return nullptr;
}
 
#if 0
static PropertyDefRNA *rna_find_property_def(PropertyRNA *prop)
{
  PropertyDefRNA *dprop;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  dprop = rna_find_struct_property_def(DefRNA.laststruct, prop);
  if (dprop) {
    return dprop;
  }
 
  dprop = rna_find_parameter_def(prop);
  if (dprop) {
    return dprop;
  }
 
  return nullptr;
}
#endif
 
FunctionDefRNA *rna_find_function_def(FunctionRNA *func)
{
  StructDefRNA *dsrna;
  FunctionDefRNA *dfunc;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  dsrna = rna_find_struct_def(DefRNA.laststruct);
  dfunc = static_cast<FunctionDefRNA *>(dsrna->functions.last);
  for (; dfunc; dfunc = static_cast<FunctionDefRNA *>(dfunc->cont.prev)) {
    if (dfunc->func == func) {
      return dfunc;
    }
  }
 
  dsrna = static_cast<StructDefRNA *>(DefRNA.structs.last);
  for (; dsrna; dsrna = static_cast<StructDefRNA *>(dsrna->cont.prev)) {
    dfunc = static_cast<FunctionDefRNA *>(dsrna->functions.last);
    for (; dfunc; dfunc = static_cast<FunctionDefRNA *>(dfunc->cont.prev)) {
      if (dfunc->func == func) {
        return dfunc;
      }
    }
  }
 
  return nullptr;
}
 
PropertyDefRNA *rna_find_parameter_def(PropertyRNA *parm)
{
  StructDefRNA *dsrna;
  FunctionDefRNA *dfunc;
  PropertyDefRNA *dparm;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  dsrna = rna_find_struct_def(DefRNA.laststruct);
  dfunc = static_cast<FunctionDefRNA *>(dsrna->functions.last);
  for (; dfunc; dfunc = static_cast<FunctionDefRNA *>(dfunc->cont.prev)) {
    dparm = static_cast<PropertyDefRNA *>(dfunc->cont.properties.last);
    for (; dparm; dparm = dparm->prev) {
      if (dparm->prop == parm) {
        return dparm;
      }
    }
  }
 
  dsrna = static_cast<StructDefRNA *>(DefRNA.structs.last);
  for (; dsrna; dsrna = static_cast<StructDefRNA *>(dsrna->cont.prev)) {
    dfunc = static_cast<FunctionDefRNA *>(dsrna->functions.last);
    for (; dfunc; dfunc = static_cast<FunctionDefRNA *>(dfunc->cont.prev)) {
      dparm = static_cast<PropertyDefRNA *>(dfunc->cont.properties.last);
      for (; dparm; dparm = dparm->prev) {
        if (dparm->prop == parm) {
          return dparm;
        }
      }
    }
  }
 
  return nullptr;
}
 
static ContainerDefRNA *rna_find_container_def(ContainerRNA *cont)
{
  StructDefRNA *ds;
  FunctionDefRNA *dfunc;
 
  if (!DefRNA.preprocess) {
    /* we should never get here */
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return nullptr;
  }
 
  ds = rna_find_struct_def((StructRNA *)cont);
  if (ds) {
    return &ds->cont;
  }
 
  dfunc = rna_find_function_def((FunctionRNA *)cont);
  if (dfunc) {
    return &dfunc->cont;
  }
 
  return nullptr;
}
 
/* DNA utility function for looking up members */
 
struct DNAStructMember {
  const char *type;
  const char *name;
  int arraylength;
  int pointerlevel;
  int offset;
  int size;
};
 
static int rna_member_cmp(const char *name, const char *oname)
{
  int a = 0;
 
  /* compare without pointer or array part */
  while (name[0] == '*') {
    name++;
  }
  while (oname[0] == '*') {
    oname++;
  }
 
  while (true) {
    if (name[a] == '[' && oname[a] == 0) {
      return 1;
    }
    if (name[a] == '[' && oname[a] == '[') {
      return 1;
    }
    if (name[a] == 0) {
      break;
    }
    if (name[a] != oname[a]) {
      return 0;
    }
    a++;
  }
  if (name[a] == 0 && oname[a] == '.') {
    return 2;
  }
  if (name[a] == 0 && oname[a] == '-' && oname[a + 1] == '>') {
    return 3;
  }
 
  return (name[a] == oname[a]);
}
 
static int rna_find_sdna_member(SDNA *sdna,
                                const char *structname,
                                const char *membername,
                                DNAStructMember *smember,
                                int *offset)
{
  const char *dnaname;
  int b, structnr, cmp;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return 0;
  }
  structnr = DNA_struct_find_index_wrapper(sdna, structname);
 
  smember->offset = -1;
  if (structnr == -1) {
    *offset = -1;
    return 0;
  }
 
  const SDNA_Struct *struct_info = sdna->structs[structnr];
  for (int a = 0; a < struct_info->members_num; a++) {
    const SDNA_StructMember *member = &struct_info->members[a];
    const int size = DNA_struct_member_size(sdna, member->type_index, member->member_index);
    dnaname = sdna->alias.members[member->member_index];
    cmp = rna_member_cmp(dnaname, membername);
 
    if (cmp == 1) {
      smember->type = sdna->alias.types[member->type_index];
      smember->name = dnaname;
      smember->offset = *offset;
      smember->size = size;
 
      if (strstr(membername, "[")) {
        smember->arraylength = 0;
      }
      else {
        smember->arraylength = DNA_member_array_num(smember->name);
      }
 
      smember->pointerlevel = 0;
      for (b = 0; dnaname[b] == '*'; b++) {
        smember->pointerlevel++;
      }
 
      return 1;
    }
    if (cmp == 2) {
      smember->type = "";
      smember->name = dnaname;
      smember->offset = *offset;
      smember->size = size;
      smember->pointerlevel = 0;
      smember->arraylength = 0;
 
      membername = strstr(membername, ".") + strlen(".");
      rna_find_sdna_member(
          sdna, sdna->alias.types[member->type_index], membername, smember, offset);
 
      return 1;
    }
    if (cmp == 3) {
      smember->type = "";
      smember->name = dnaname;
      smember->offset = *offset;
      smember->size = size;
      smember->pointerlevel = 0;
      smember->arraylength = 0;
 
      *offset = -1;
      membername = strstr(membername, "->") + strlen("->");
      rna_find_sdna_member(
          sdna, sdna->alias.types[member->type_index], membername, smember, offset);
 
      return 1;
    }
 
    if (*offset != -1) {
      *offset += size;
    }
  }
 
  return 0;
}
 
static bool rna_validate_identifier(const char *identifier, bool property, const char **r_error)
{
  int a = 0;
 
  static const char *kwlist[] = {
      /* "False", "None", "True", */
      "and",    "as",   "assert", "async",  "await",    "break", "class", "continue", "def",
      "del",    "elif", "else",   "except", "finally",  "for",   "from",  "global",   "if",
      "import", "in",   "is",     "lambda", "nonlocal", "not",   "or",    "pass",     "raise",
      "return", "try",  "while",  "with",   "yield",    nullptr,
  };
 
  if (!isalpha(identifier[0])) {
    *r_error = "first character failed isalpha() check";
    return false;
  }
 
  for (a = 0; identifier[a]; a++) {
    if (DefRNA.preprocess && property) {
      if (isalpha(identifier[a]) && isupper(identifier[a])) {
        *r_error = "property names must contain lower case characters only";
        return false;
      }
    }
 
    if (identifier[a] == '_') {
      continue;
    }
 
    if (identifier[a] == ' ') {
      *r_error = "spaces are not okay in identifier names";
      return false;
    }
 
    if (isalnum(identifier[a]) == 0) {
      *r_error = "one of the characters failed an isalnum() check and is not an underscore";
      return false;
    }
  }
 
  for (a = 0; kwlist[a]; a++) {
    if (STREQ(identifier, kwlist[a])) {
      *r_error = "this keyword is reserved by Python";
      return false;
    }
  }
 
  if (property) {
    static const char *kwlist_prop[] = {
        /* not keywords but reserved all the same because py uses */
        "keys",
        "values",
        "items",
        "get",
        nullptr,
    };
 
    for (a = 0; kwlist_prop[a]; a++) {
      if (STREQ(identifier, kwlist_prop[a])) {
        *r_error = "this keyword is reserved by Python";
        return false;
      }
    }
  }
 
  return true;
}
 
void RNA_identifier_sanitize(char *identifier, int property)
{
  int a = 0;
 
  /*  list from http://docs.python.org/py3k/reference/lexical_analysis.html#keywords */
  static const char *kwlist[] = {
      /* "False", "None", "True", */
      "and",    "as",     "assert", "break",   "class",    "continue", "def",    "del",
      "elif",   "else",   "except", "finally", "for",      "from",     "global", "if",
      "import", "in",     "is",     "lambda",  "nonlocal", "not",      "or",     "pass",
      "raise",  "return", "try",    "while",   "with",     "yield",    nullptr,
  };
 
  if (!isalpha(identifier[0])) {
    /* first character failed isalpha() check */
    identifier[0] = '_';
  }
 
  for (a = 0; identifier[a]; a++) {
    if (DefRNA.preprocess && property) {
      if (isalpha(identifier[a]) && isupper(identifier[a])) {
        /* property names must contain lower case characters only */
        identifier[a] = tolower(identifier[a]);
      }
    }
 
    if (identifier[a] == '_') {
      continue;
    }
 
    if (identifier[a] == ' ') {
      /* spaces are not okay in identifier names */
      identifier[a] = '_';
    }
 
    if (isalnum(identifier[a]) == 0) {
      /* one of the characters failed an isalnum() check and is not an underscore */
      identifier[a] = '_';
    }
  }
 
  for (a = 0; kwlist[a]; a++) {
    if (STREQ(identifier, kwlist[a])) {
      /* this keyword is reserved by python.
       * just replace the last character by '_' to keep it readable.
       */
      identifier[strlen(identifier) - 1] = '_';
      break;
    }
  }
 
  if (property) {
    static const char *kwlist_prop[] = {
        /* not keywords but reserved all the same because py uses */
        "keys",
        "values",
        "items",
        "get",
        nullptr,
    };
 
    for (a = 0; kwlist_prop[a]; a++) {
      if (STREQ(identifier, kwlist_prop[a])) {
        /* this keyword is reserved by python.
         * just replace the last character by '_' to keep it readable.
         */
        identifier[strlen(identifier) - 1] = '_';
        break;
      }
    }
  }
}
 
static bool rna_range_from_int_type(const char *dnatype, int r_range[2])
{
  /* Type `char` is unsigned too. */
  if (STREQ(dnatype, "char") || STREQ(dnatype, "uchar")) {
    r_range[0] = CHAR_MIN;
    r_range[1] = CHAR_MAX;
    return true;
  }
  if (STREQ(dnatype, "short")) {
    r_range[0] = SHRT_MIN;
    r_range[1] = SHRT_MAX;
    return true;
  }
  if (STREQ(dnatype, "int")) {
    r_range[0] = INT_MIN;
    r_range[1] = INT_MAX;
    return true;
  }
  if (STREQ(dnatype, "int8_t")) {
    r_range[0] = INT8_MIN;
    r_range[1] = INT8_MAX;
    return true;
  }
  return false;
}
 
/* Blender Data Definition */
 
BlenderRNA *RNA_create()
{
  BlenderRNA *brna;
 
  brna = static_cast<BlenderRNA *>(MEM_callocN(sizeof(BlenderRNA), "BlenderRNA"));
  const char *error_message = nullptr;
 
  BLI_listbase_clear(&DefRNA.structs);
  brna->structs_map = BLI_ghash_str_new_ex(__func__, 2048);
 
  DefRNA.error = false;
  DefRNA.preprocess = true;
 
  /* We need both alias and static (on-disk) DNA names. */
  const bool do_alias = true;
 
  DefRNA.sdna = DNA_sdna_from_data(DNAstr, DNAlen, false, false, do_alias, &error_message);
  if (DefRNA.sdna == nullptr) {
    CLOG_ERROR(&LOG, "Failed to decode SDNA: %s.", error_message);
    DefRNA.error = true;
  }
 
#ifndef RNA_RUNTIME
  DNA_alias_maps(
      DNA_RENAME_STATIC_FROM_ALIAS, &g_version_data.type_map_static_from_alias, nullptr);
#endif
 
  return brna;
}
 
void RNA_define_free(BlenderRNA * /*brna*/)
{
  StructDefRNA *ds;
  FunctionDefRNA *dfunc;
 
  LISTBASE_FOREACH (AllocDefRNA *, alloc, &DefRNA.allocs) {
    MEM_freeN(alloc->mem);
  }
  rna_freelistN(&DefRNA.allocs);
 
  for (ds = static_cast<StructDefRNA *>(DefRNA.structs.first); ds;
       ds = static_cast<StructDefRNA *>(ds->cont.next))
  {
    for (dfunc = static_cast<FunctionDefRNA *>(ds->functions.first); dfunc;
         dfunc = static_cast<FunctionDefRNA *>(dfunc->cont.next))
    {
      rna_freelistN(&dfunc->cont.properties);
    }
 
    rna_freelistN(&ds->cont.properties);
    rna_freelistN(&ds->functions);
  }
 
  rna_freelistN(&DefRNA.structs);
 
  if (DefRNA.sdna) {
    DNA_sdna_free(DefRNA.sdna);
    DefRNA.sdna = nullptr;
  }
 
  DefRNA.error = false;
}
 
void RNA_define_verify_sdna(bool verify)
{
  DefRNA.verify = verify;
}
 
void RNA_define_lib_overridable(const bool make_overridable)
{
  DefRNA.make_overridable = make_overridable;
}
 
#ifndef RNA_RUNTIME
void RNA_define_animate_sdna(bool animate)
{
  DefRNA.animate = animate;
}
#endif
 
#ifndef RNA_RUNTIME
void RNA_define_fallback_property_update(int noteflag, const char *updatefunc)
{
  DefRNA.fallback.property_update.noteflag = noteflag;
  DefRNA.fallback.property_update.updatefunc = updatefunc;
}
#endif
 
void RNA_struct_free_extension(StructRNA *srna, ExtensionRNA *rna_ext)
{
#ifdef RNA_RUNTIME
  rna_ext->free(rna_ext->data);               /* Decrefs the PyObject that the `srna` owns. */
  RNA_struct_blender_type_set(srna, nullptr); /* FIXME: this gets accessed again. */
 
  /* nullptr the srna's value so RNA_struct_free won't complain of a leak */
  RNA_struct_py_type_set(srna, nullptr);
 
#else
  (void)srna;
  (void)rna_ext;
#endif
}
 
void RNA_struct_free(BlenderRNA *brna, StructRNA *srna)
{
#ifdef RNA_RUNTIME
  FunctionRNA *func, *nextfunc;
  PropertyRNA *prop, *nextprop;
  PropertyRNA *parm, *nextparm;
 
#  if 0
  if (srna->flag & STRUCT_RUNTIME) {
    if (RNA_struct_py_type_get(srna)) {
      fprintf(stderr, "%s '%s' freed while holding a Python reference.", srna->identifier);
    }
  }
#  endif
 
  for (prop = static_cast<PropertyRNA *>(srna->cont.properties.first); prop; prop = nextprop) {
    nextprop = prop->next;
 
    RNA_def_property_free_pointers(prop);
 
    if (prop->flag_internal & PROP_INTERN_RUNTIME) {
      rna_freelinkN(&srna->cont.properties, prop);
    }
  }
 
  for (func = static_cast<FunctionRNA *>(srna->functions.first); func; func = nextfunc) {
    nextfunc = static_cast<FunctionRNA *>(func->cont.next);
 
    for (parm = static_cast<PropertyRNA *>(func->cont.properties.first); parm; parm = nextparm) {
      nextparm = parm->next;
 
      RNA_def_property_free_pointers(parm);
 
      if (parm->flag_internal & PROP_INTERN_RUNTIME) {
        rna_freelinkN(&func->cont.properties, parm);
      }
    }
 
    RNA_def_func_free_pointers(func);
 
    if (func->flag & FUNC_RUNTIME) {
      rna_freelinkN(&srna->functions, func);
    }
  }
 
  rna_brna_structs_remove_and_free(brna, srna);
#else
  UNUSED_VARS(brna, srna);
#endif
}
 
void RNA_free(BlenderRNA *brna)
{
  StructRNA *srna, *nextsrna;
  FunctionRNA *func;
 
  BLI_ghash_free(brna->structs_map, nullptr, nullptr);
  brna->structs_map = nullptr;
 
  if (DefRNA.preprocess) {
    RNA_define_free(brna);
 
    for (srna = static_cast<StructRNA *>(brna->structs.first); srna;
         srna = static_cast<StructRNA *>(srna->cont.next))
    {
      for (func = static_cast<FunctionRNA *>(srna->functions.first); func;
           func = static_cast<FunctionRNA *>(func->cont.next))
      {
        rna_freelistN(&func->cont.properties);
      }
 
      rna_freelistN(&srna->cont.properties);
      rna_freelistN(&srna->functions);
    }
 
    rna_freelistN(&brna->structs);
 
    MEM_freeN(brna);
  }
  else {
    for (srna = static_cast<StructRNA *>(brna->structs.first); srna; srna = nextsrna) {
      nextsrna = static_cast<StructRNA *>(srna->cont.next);
      RNA_struct_free(brna, srna);
    }
  }
 
#ifndef RNA_RUNTIME
  BLI_ghash_free(g_version_data.type_map_static_from_alias, nullptr, nullptr);
  g_version_data.type_map_static_from_alias = nullptr;
#endif
}
 
static size_t rna_property_type_sizeof(PropertyType type)
{
  switch (type) {
    case PROP_BOOLEAN:
      return sizeof(BoolPropertyRNA);
    case PROP_INT:
      return sizeof(IntPropertyRNA);
    case PROP_FLOAT:
      return sizeof(FloatPropertyRNA);
    case PROP_STRING:
      return sizeof(StringPropertyRNA);
    case PROP_ENUM:
      return sizeof(EnumPropertyRNA);
    case PROP_POINTER:
      return sizeof(PointerPropertyRNA);
    case PROP_COLLECTION:
      return sizeof(CollectionPropertyRNA);
    default:
      return 0;
  }
}
 
static StructDefRNA *rna_find_def_struct(StructRNA *srna)
{
  StructDefRNA *ds;
 
  for (ds = static_cast<StructDefRNA *>(DefRNA.structs.first); ds;
       ds = static_cast<StructDefRNA *>(ds->cont.next))
  {
    if (ds->srna == srna) {
      return ds;
    }
  }
 
  return nullptr;
}
 
StructRNA *RNA_def_struct_ptr(BlenderRNA *brna, const char *identifier, StructRNA *srnafrom)
{
  StructRNA *srna;
  StructDefRNA *ds = nullptr, *dsfrom = nullptr;
  PropertyRNA *prop;
 
  if (DefRNA.preprocess) {
    const char *error = nullptr;
 
    if (!rna_validate_identifier(identifier, false, &error)) {
      CLOG_ERROR(&LOG, "struct identifier \"%s\" error - %s", identifier, error);
      DefRNA.error = true;
    }
  }
 
  srna = static_cast<StructRNA *>(MEM_callocN(sizeof(StructRNA), "StructRNA"));
  DefRNA.laststruct = srna;
 
  if (srnafrom) {
    /* Copy from struct to derive stuff, a bit clumsy since we can't
     * use #MEM_dupallocN, data structs may not be allocated but builtin. */
    memcpy(srna, srnafrom, sizeof(StructRNA));
    srna->cont.prophash = nullptr;
    BLI_listbase_clear(&srna->cont.properties);
    BLI_listbase_clear(&srna->functions);
    srna->py_type = nullptr;
 
    srna->base = srnafrom;
 
    if (DefRNA.preprocess) {
      dsfrom = rna_find_def_struct(srnafrom);
    }
    else {
      if (srnafrom->flag & STRUCT_PUBLIC_NAMESPACE_INHERIT) {
        RNA_def_struct_flag(srna, STRUCT_PUBLIC_NAMESPACE | STRUCT_PUBLIC_NAMESPACE_INHERIT);
      }
      else {
        RNA_def_struct_clear_flag(srna, STRUCT_PUBLIC_NAMESPACE | STRUCT_PUBLIC_NAMESPACE_INHERIT);
      }
    }
  }
 
  srna->identifier = identifier;
  srna->name = identifier; /* may be overwritten later RNA_def_struct_ui_text */
  srna->description = "";
  /* may be overwritten later RNA_def_struct_translation_context */
  srna->translation_context = BLT_I18NCONTEXT_DEFAULT_BPYRNA;
  if (!srnafrom) {
    srna->icon = ICON_DOT;
    RNA_def_struct_flag(srna, STRUCT_UNDO);
  }
 
  if (DefRNA.preprocess) {
    RNA_def_struct_flag(srna, STRUCT_PUBLIC_NAMESPACE);
  }
 
  rna_brna_structs_add(brna, srna);
 
  if (DefRNA.preprocess) {
    ds = static_cast<StructDefRNA *>(MEM_callocN(sizeof(StructDefRNA), "StructDefRNA"));
    ds->srna = srna;
    rna_addtail(&DefRNA.structs, ds);
 
    if (dsfrom) {
      ds->dnafromname = dsfrom->dnaname;
    }
  }
 
  /* in preprocess, try to find sdna */
  if (DefRNA.preprocess) {
    RNA_def_struct_sdna(srna, srna->identifier);
  }
  else {
    RNA_def_struct_flag(srna, STRUCT_RUNTIME);
  }
 
  if (srnafrom) {
    srna->nameproperty = srnafrom->nameproperty;
    srna->iteratorproperty = srnafrom->iteratorproperty;
  }
  else {
    /* define some builtin properties */
    prop = RNA_def_property(&srna->cont, "rna_properties", PROP_COLLECTION, PROP_NONE);
    prop->flag_internal |= PROP_INTERN_BUILTIN;
    RNA_def_property_ui_text(prop, "Properties", "RNA property collection");
 
    if (DefRNA.preprocess) {
      RNA_def_property_struct_type(prop, "Property");
      RNA_def_property_collection_funcs(prop,
                                        "rna_builtin_properties_begin",
                                        "rna_builtin_properties_next",
                                        "rna_iterator_listbase_end",
                                        "rna_builtin_properties_get",
                                        nullptr,
                                        nullptr,
                                        "rna_builtin_properties_lookup_string",
                                        nullptr);
    }
    else {
#ifdef RNA_RUNTIME
      CollectionPropertyRNA *cprop = (CollectionPropertyRNA *)prop;
      cprop->begin = rna_builtin_properties_begin;
      cprop->next = rna_builtin_properties_next;
      cprop->get = rna_builtin_properties_get;
      cprop->item_type = &RNA_Property;
#endif
    }
 
    prop = RNA_def_property(&srna->cont, "rna_type", PROP_POINTER, PROP_NONE);
    RNA_def_property_flag(prop, PROP_HIDDEN);
    RNA_def_property_ui_text(prop, "RNA", "RNA type definition");
 
    if (DefRNA.preprocess) {
      RNA_def_property_struct_type(prop, "Struct");
      RNA_def_property_pointer_funcs(prop, "rna_builtin_type_get", nullptr, nullptr, nullptr);
    }
    else {
#ifdef RNA_RUNTIME
      PointerPropertyRNA *pprop = (PointerPropertyRNA *)prop;
      pprop->get = rna_builtin_type_get;
      pprop->type = &RNA_Struct;
#endif
    }
  }
 
  return srna;
}
 
StructRNA *RNA_def_struct(BlenderRNA *brna, const char *identifier, const char *from)
{
  StructRNA *srnafrom = nullptr;
 
  /* only use RNA_def_struct() while pre-processing, otherwise use RNA_def_struct_ptr() */
  BLI_assert(DefRNA.preprocess);
 
  if (from) {
    /* find struct to derive from */
    /* Inline RNA_struct_find(...) because it won't link from here. */
    srnafrom = static_cast<StructRNA *>(BLI_ghash_lookup(brna->structs_map, from));
    if (!srnafrom) {
      CLOG_ERROR(&LOG, "struct %s not found to define %s.", from, identifier);
      DefRNA.error = true;
    }
  }
 
  return RNA_def_struct_ptr(brna, identifier, srnafrom);
}
 
void RNA_def_struct_sdna(StructRNA *srna, const char *structname)
{
  StructDefRNA *ds;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  ds = rna_find_def_struct(srna);
 
/* NOTE(@ideasman42): There are far too many structs which initialize without valid DNA struct
 * names, this can't be checked without adding an option to disable
 * (tested this and it means changes all over). */
#if 0
  if (DNA_struct_find_index_wrapper(DefRNA.sdna, structname) == -1) {
    if (!DefRNA.silent) {
      CLOG_ERROR(&LOG, "%s not found.", structname);
      DefRNA.error = true;
    }
    return;
  }
#endif
 
  ds->dnaname = structname;
}
 
void RNA_def_struct_sdna_from(StructRNA *srna, const char *structname, const char *propname)
{
  StructDefRNA *ds;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  ds = rna_find_def_struct(srna);
 
  if (!ds->dnaname) {
    CLOG_ERROR(&LOG, "%s base struct must know DNA already.", structname);
    return;
  }
 
  if (DNA_struct_find_index_wrapper(DefRNA.sdna, structname) == -1) {
    if (!DefRNA.silent) {
      CLOG_ERROR(&LOG, "%s not found.", structname);
      DefRNA.error = true;
    }
    return;
  }
 
  ds->dnafromprop = propname;
  ds->dnaname = structname;
}
 
void RNA_def_struct_name_property(StructRNA *srna, PropertyRNA *prop)
{
  if (prop->type != PROP_STRING) {
    CLOG_ERROR(&LOG, "\"%s.%s\", must be a string property.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
  else if (srna->nameproperty != nullptr) {
    CLOG_ERROR(
        &LOG, "\"%s.%s\", name property is already set.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
  else {
    srna->nameproperty = prop;
  }
}
 
void RNA_def_struct_nested(BlenderRNA *brna, StructRNA *srna, const char *structname)
{
  StructRNA *srnafrom;
 
  /* find struct to derive from */
  srnafrom = static_cast<StructRNA *>(BLI_ghash_lookup(brna->structs_map, structname));
  if (!srnafrom) {
    CLOG_ERROR(&LOG, "struct %s not found for %s.", structname, srna->identifier);
    DefRNA.error = true;
  }
 
  srna->nested = srnafrom;
}
 
void RNA_def_struct_flag(StructRNA *srna, int flag)
{
  srna->flag |= flag;
}
 
void RNA_def_struct_clear_flag(StructRNA *srna, int flag)
{
  srna->flag &= ~flag;
}
 
void RNA_def_struct_property_tags(StructRNA *srna, const EnumPropertyItem *prop_tag_defines)
{
  srna->prop_tag_defines = prop_tag_defines;
}
 
void RNA_def_struct_refine_func(StructRNA *srna, const char *refine)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (refine) {
    srna->refine = (StructRefineFunc)refine;
  }
}
 
void RNA_def_struct_idprops_func(StructRNA *srna, const char *idproperties)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (idproperties) {
    srna->idproperties = (IDPropertiesFunc)idproperties;
  }
}
 
void RNA_def_struct_register_funcs(StructRNA *srna,
                                   const char *reg,
                                   const char *unreg,
                                   const char *instance)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (reg) {
    srna->reg = (StructRegisterFunc)reg;
  }
  if (unreg) {
    srna->unreg = (StructUnregisterFunc)unreg;
  }
  if (instance) {
    srna->instance = (StructInstanceFunc)instance;
  }
}
 
void RNA_def_struct_path_func(StructRNA *srna, const char *path)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (path) {
    srna->path = (StructPathFunc)path;
  }
}
 
void RNA_def_struct_identifier(BlenderRNA *brna, StructRNA *srna, const char *identifier)
{
  if (DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only at runtime.");
    return;
  }
 
  /* Operator registration may set twice, see: operator_properties_init */
  if (srna->flag & STRUCT_PUBLIC_NAMESPACE) {
    if (identifier != srna->identifier) {
      if (srna->identifier[0] != '\0') {
        BLI_ghash_remove(brna->structs_map, (void *)srna->identifier, nullptr, nullptr);
      }
      if (identifier[0] != '\0') {
        BLI_ghash_insert(brna->structs_map, (void *)identifier, srna);
      }
    }
  }
 
  srna->identifier = identifier;
}
 
void RNA_def_struct_identifier_no_struct_map(StructRNA *srna, const char *identifier)
{
  if (DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only at runtime.");
    return;
  }
 
  srna->identifier = identifier;
}
 
void RNA_def_struct_ui_text(StructRNA *srna, const char *name, const char *description)
{
  srna->name = name;
  srna->description = description;
}
 
void RNA_def_struct_ui_icon(StructRNA *srna, int icon)
{
  srna->icon = icon;
}
 
void RNA_def_struct_translation_context(StructRNA *srna, const char *context)
{
  srna->translation_context = context ? context : BLT_I18NCONTEXT_DEFAULT_BPYRNA;
}
 
/* Property Definition */
 
PropertyRNA *RNA_def_property(StructOrFunctionRNA *cont_,
                              const char *identifier,
                              int type,
                              int subtype)
{
  // StructRNA *srna = DefRNA.laststruct; /* Invalid for Python defined props. */
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  ContainerDefRNA *dcont;
  PropertyDefRNA *dprop = nullptr;
  PropertyRNA *prop;
 
  if (DefRNA.preprocess) {
    const char *error = nullptr;
 
    if (!rna_validate_identifier(identifier, true, &error)) {
      CLOG_ERROR(
          &LOG, "property identifier \"%s.%s\" - %s", CONTAINER_RNA_ID(cont), identifier, error);
      DefRNA.error = true;
    }
 
    dcont = rna_find_container_def(cont);
 
    /* TODO: detect super-type collisions. */
    if (rna_findlink(&dcont->properties, identifier)) {
      CLOG_ERROR(&LOG, "duplicate identifier \"%s.%s\"", CONTAINER_RNA_ID(cont), identifier);
      DefRNA.error = true;
    }
 
    dprop = static_cast<PropertyDefRNA *>(MEM_callocN(sizeof(PropertyDefRNA), "PropertyDefRNA"));
    rna_addtail(&dcont->properties, dprop);
  }
  else {
#ifndef NDEBUG
    const char *error = nullptr;
    if (!rna_validate_identifier(identifier, true, &error)) {
      CLOG_ERROR(&LOG,
                 "runtime property identifier \"%s.%s\" - %s",
                 CONTAINER_RNA_ID(cont),
                 identifier,
                 error);
      DefRNA.error = true;
    }
#endif
  }
 
  prop = static_cast<PropertyRNA *>(
      MEM_callocN(rna_property_type_sizeof(PropertyType(type)), "PropertyRNA"));
 
  switch (type) {
    case PROP_BOOLEAN:
      if (DefRNA.preprocess) {
        if ((subtype & ~PROP_LAYER_MEMBER) != PROP_NONE) {
          CLOG_ERROR(&LOG,
                     "subtype does not apply to 'PROP_BOOLEAN' \"%s.%s\"",
                     CONTAINER_RNA_ID(cont),
                     identifier);
          DefRNA.error = true;
        }
      }
      break;
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
 
#ifndef RNA_RUNTIME
      if (subtype == PROP_DISTANCE) {
        CLOG_ERROR(&LOG,
                   "subtype does not apply to 'PROP_INT' \"%s.%s\"",
                   CONTAINER_RNA_ID(cont),
                   identifier);
        DefRNA.error = true;
      }
#endif
 
      iprop->hardmin = (subtype == PROP_UNSIGNED) ? 0 : INT_MIN;
      iprop->hardmax = INT_MAX;
 
      iprop->softmin = (subtype == PROP_UNSIGNED) ? 0 : -10000; /* rather arbitrary. */
      iprop->softmax = 10000;
      iprop->step = 1;
      break;
    }
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
 
      fprop->hardmin = (subtype == PROP_UNSIGNED) ? 0.0f : -FLT_MAX;
      fprop->hardmax = FLT_MAX;
 
      if (ELEM(subtype, PROP_COLOR, PROP_COLOR_GAMMA)) {
        fprop->softmin = fprop->hardmin = 0.0f;
        fprop->softmax = 1.0f;
      }
      else if (subtype == PROP_FACTOR) {
        fprop->softmin = fprop->hardmin = 0.0f;
        fprop->softmax = fprop->hardmax = 1.0f;
      }
      else {
        fprop->softmin = (subtype == PROP_UNSIGNED) ? 0.0f : -10000.0f; /* rather arbitrary. */
        fprop->softmax = 10000.0f;
      }
      fprop->step = 10;
      fprop->precision = 3;
      break;
    }
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
      /* By default don't allow nullptr string args, callers may clear.
       * Used so generated 'get/length/set' functions skip a nullptr check
       * in some cases we want it */
      RNA_def_property_flag(prop, PROP_NEVER_NULL);
      sprop->defaultvalue = "";
      break;
    }
    case PROP_POINTER:
      /* needed for default behavior when PARM_RNAPTR is set */
      RNA_def_property_flag(prop, PROP_THICK_WRAP);
      break;
    case PROP_ENUM:
    case PROP_COLLECTION:
      break;
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", invalid property type.", CONTAINER_RNA_ID(cont), identifier);
      DefRNA.error = true;
      return nullptr;
  }
 
  if (DefRNA.preprocess) {
    dprop->cont = cont;
    dprop->prop = prop;
  }
 
  prop->magic = RNA_MAGIC;
  prop->identifier = identifier;
  prop->type = PropertyType(type);
  prop->subtype = PropertySubType(subtype);
  prop->name = identifier;
  prop->description = "";
  prop->translation_context = BLT_I18NCONTEXT_DEFAULT_BPYRNA;
  /* a priori not raw editable */
  prop->rawtype = RawPropertyType(-1);
 
  if (!ELEM(type, PROP_COLLECTION, PROP_POINTER)) {
    RNA_def_property_flag(prop, PROP_EDITABLE);
 
    if (type != PROP_STRING) {
#ifdef RNA_RUNTIME
      RNA_def_property_flag(prop, PROP_ANIMATABLE);
#else
      if (DefRNA.animate) {
        RNA_def_property_flag(prop, PROP_ANIMATABLE);
      }
#endif
    }
  }
 
#ifndef RNA_RUNTIME
  if (DefRNA.make_overridable) {
    RNA_def_property_override_flag(prop, PROPOVERRIDE_OVERRIDABLE_LIBRARY);
  }
#endif
 
  if (DefRNA.preprocess) {
    switch (type) {
      case PROP_BOOLEAN:
        DefRNA.silent = true;
        RNA_def_property_boolean_sdna(prop, nullptr, identifier, 0);
        DefRNA.silent = false;
        break;
      case PROP_INT: {
        DefRNA.silent = true;
        RNA_def_property_int_sdna(prop, nullptr, identifier);
        DefRNA.silent = false;
        break;
      }
      case PROP_FLOAT: {
        DefRNA.silent = true;
        RNA_def_property_float_sdna(prop, nullptr, identifier);
        DefRNA.silent = false;
        break;
      }
      case PROP_STRING: {
        DefRNA.silent = true;
        RNA_def_property_string_sdna(prop, nullptr, identifier);
        DefRNA.silent = false;
        break;
      }
      case PROP_ENUM:
        DefRNA.silent = true;
        RNA_def_property_enum_sdna(prop, nullptr, identifier);
        DefRNA.silent = false;
        break;
      case PROP_POINTER:
        DefRNA.silent = true;
        RNA_def_property_pointer_sdna(prop, nullptr, identifier);
        DefRNA.silent = false;
        break;
      case PROP_COLLECTION:
        DefRNA.silent = true;
        RNA_def_property_collection_sdna(prop, nullptr, identifier, nullptr);
        DefRNA.silent = false;
        break;
    }
  }
  else {
    RNA_def_property_flag(prop, PROP_IDPROPERTY);
    prop->flag_internal |= PROP_INTERN_RUNTIME;
#ifdef RNA_RUNTIME
    if (cont->prophash) {
      BLI_ghash_insert(cont->prophash, (void *)prop->identifier, prop);
    }
#endif
  }
 
#ifndef RNA_RUNTIME
  /* Both are typically cleared. */
  RNA_def_property_update(
      prop, DefRNA.fallback.property_update.noteflag, DefRNA.fallback.property_update.updatefunc);
#endif
 
  rna_addtail(&cont->properties, prop);
 
  return prop;
}
 
void RNA_def_property_flag(PropertyRNA *prop, PropertyFlag flag)
{
  prop->flag |= flag;
}
 
void RNA_def_property_clear_flag(PropertyRNA *prop, PropertyFlag flag)
{
  prop->flag &= ~flag;
  if (flag & PROP_PTR_NO_OWNERSHIP) {
    prop->flag_internal |= PROP_INTERN_PTR_OWNERSHIP_FORCED;
  }
}
 
void RNA_def_property_override_flag(PropertyRNA *prop, PropertyOverrideFlag flag)
{
  prop->flag_override |= flag;
}
 
void RNA_def_property_override_clear_flag(PropertyRNA *prop, PropertyOverrideFlag flag)
{
  prop->flag_override &= ~flag;
}
 
void RNA_def_property_tags(PropertyRNA *prop, int tags)
{
  prop->tags |= tags;
}
 
void RNA_def_parameter_flags(PropertyRNA *prop,
                             PropertyFlag flag_property,
                             ParameterFlag flag_parameter)
{
  prop->flag |= flag_property;
  prop->flag_parameter |= flag_parameter;
}
 
void RNA_def_parameter_clear_flags(PropertyRNA *prop,
                                   PropertyFlag flag_property,
                                   ParameterFlag flag_parameter)
{
  prop->flag &= ~flag_property;
  prop->flag_parameter &= ~flag_parameter;
}
 
void RNA_def_property_subtype(PropertyRNA *prop, PropertySubType subtype)
{
  prop->subtype = subtype;
}
 
void RNA_def_property_array(PropertyRNA *prop, int length)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (length < 0) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", array length must be zero of greater.",
               srna->identifier,
               prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if (length > RNA_MAX_ARRAY_LENGTH) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", array length must be smaller than %d.",
               srna->identifier,
               prop->identifier,
               RNA_MAX_ARRAY_LENGTH);
    DefRNA.error = true;
    return;
  }
 
  if (prop->arraydimension > 1) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", array dimensions has been set to %u but would be overwritten as 1.",
               srna->identifier,
               prop->identifier,
               prop->arraydimension);
    DefRNA.error = true;
    return;
  }
 
  switch (prop->type) {
    case PROP_BOOLEAN:
    case PROP_INT:
    case PROP_FLOAT:
      prop->arraylength[0] = length;
      prop->totarraylength = length;
      prop->arraydimension = 1;
      break;
    default:
      CLOG_ERROR(&LOG,
                 "\"%s.%s\", only boolean/int/float can be array.",
                 srna->identifier,
                 prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
const float rna_default_quaternion[4] = {1, 0, 0, 0};
const float rna_default_axis_angle[4] = {0, 0, 1, 0};
const float rna_default_scale_3d[3] = {1, 1, 1};
 
const int rna_matrix_dimsize_3x3[] = {3, 3};
const int rna_matrix_dimsize_4x4[] = {4, 4};
const int rna_matrix_dimsize_4x2[] = {4, 2};
 
void RNA_def_property_multi_array(PropertyRNA *prop, int dimension, const int length[])
{
  StructRNA *srna = DefRNA.laststruct;
  int i;
 
  if (dimension < 1 || dimension > RNA_MAX_ARRAY_DIMENSION) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", array dimension must be between 1 and %d.",
               srna->identifier,
               prop->identifier,
               RNA_MAX_ARRAY_DIMENSION);
    DefRNA.error = true;
    return;
  }
 
  switch (prop->type) {
    case PROP_BOOLEAN:
    case PROP_INT:
    case PROP_FLOAT:
      break;
    default:
      CLOG_ERROR(&LOG,
                 "\"%s.%s\", only boolean/int/float can be array.",
                 srna->identifier,
                 prop->identifier);
      DefRNA.error = true;
      break;
  }
 
  prop->arraydimension = dimension;
  prop->totarraylength = 0;
 
  if (length) {
    memcpy(prop->arraylength, length, sizeof(int) * dimension);
 
    prop->totarraylength = length[0];
    for (i = 1; i < dimension; i++) {
      prop->totarraylength *= length[i];
    }
  }
  else {
    memset(prop->arraylength, 0, sizeof(prop->arraylength));
  }
 
  /* TODO: make sure `arraylength` values are sane. */
}
 
void RNA_def_property_ui_text(PropertyRNA *prop, const char *name, const char *description)
{
  prop->name = name;
  prop->description = description;
}
 
void RNA_def_property_ui_icon(PropertyRNA *prop, int icon, int consecutive)
{
  prop->icon = icon;
  if (consecutive != 0) {
    RNA_def_property_flag(prop, PROP_ICONS_CONSECUTIVE);
  }
  if (consecutive < 0) {
    RNA_def_property_flag(prop, PROP_ICONS_REVERSE);
  }
}
 
void RNA_def_property_ui_range(
    PropertyRNA *prop, double min, double max, double step, int precision)
{
  StructRNA *srna = DefRNA.laststruct;
 
#ifndef NDEBUG
  if (min > max) {
    CLOG_ERROR(&LOG, "\"%s.%s\", min > max.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
 
  if (step < 0 || step > 100) {
    CLOG_ERROR(&LOG, "\"%s.%s\", step outside range.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
 
  if (step == 0) {
    CLOG_ERROR(&LOG, "\"%s.%s\", step is zero.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
 
  if (precision < -1 || precision > UI_PRECISION_FLOAT_MAX) {
    CLOG_ERROR(&LOG, "\"%s.%s\", precision outside range.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
#endif
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
      iprop->softmin = int(min);
      iprop->softmax = int(max);
      iprop->step = int(step);
      break;
    }
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
      fprop->softmin = float(min);
      fprop->softmax = float(max);
      fprop->step = float(step);
      fprop->precision = int(precision);
      break;
    }
    default:
      CLOG_ERROR(
          &LOG, "\"%s.%s\", invalid type for ui range.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_ui_scale_type(PropertyRNA *prop, PropertyScaleType ui_scale_type)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
      iprop->ui_scale_type = ui_scale_type;
      break;
    }
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
      fprop->ui_scale_type = ui_scale_type;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", invalid type for scale.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_range(PropertyRNA *prop, double min, double max)
{
  StructRNA *srna = DefRNA.laststruct;
 
#ifndef NDEBUG
  if (min > max) {
    CLOG_ERROR(&LOG, "\"%s.%s\", min > max.", srna->identifier, prop->identifier);
    DefRNA.error = true;
  }
#endif
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
      iprop->hardmin = int(min);
      iprop->hardmax = int(max);
      iprop->softmin = std::max(int(min), iprop->hardmin);
      iprop->softmax = std::min(int(max), iprop->hardmax);
      break;
    }
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
      fprop->hardmin = float(min);
      fprop->hardmax = float(max);
      fprop->softmin = std::max(float(min), fprop->hardmin);
      fprop->softmax = std::min(float(max), fprop->hardmax);
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", invalid type for range.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_struct_type(PropertyRNA *prop, const char *type)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    fprintf(stderr, "\"%s.%s\": only during preprocessing.", srna->identifier, prop->identifier);
    return;
  }
 
  switch (prop->type) {
    case PROP_POINTER: {
      PointerPropertyRNA *pprop = (PointerPropertyRNA *)prop;
      pprop->type = (StructRNA *)type;
      break;
    }
    case PROP_COLLECTION: {
      CollectionPropertyRNA *cprop = (CollectionPropertyRNA *)prop;
      cprop->item_type = (StructRNA *)type;
      break;
    }
    default:
      CLOG_ERROR(
          &LOG, "\"%s.%s\", invalid type for struct type.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_struct_runtime(StructOrFunctionRNA *cont, PropertyRNA *prop, StructRNA *type)
{
  /* Never valid when defined from python. */
  StructRNA *srna = DefRNA.laststruct;
 
  if (DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only at runtime.");
    return;
  }
 
  const bool is_id_type = (type->flag & STRUCT_ID) != 0;
 
  switch (prop->type) {
    case PROP_POINTER: {
      PointerPropertyRNA *pprop = (PointerPropertyRNA *)prop;
      pprop->type = type;
 
      /* Check between `cont` and `srna` is mandatory, since when defined from python
       * `DefRNA.laststruct` is not valid.
       * This is not an issue as bpy code already checks for this case on its own. */
      if (cont == srna && (srna->flag & STRUCT_NO_DATABLOCK_IDPROPERTIES) != 0 && is_id_type) {
        CLOG_ERROR(&LOG,
                   "\"%s.%s\", this struct type (probably an Operator, Keymap or UserPreference) "
                   "does not accept ID pointer properties.",
                   CONTAINER_RNA_ID(cont),
                   prop->identifier);
        DefRNA.error = true;
        return;
      }
 
      if (type && (type->flag & STRUCT_ID_REFCOUNT)) {
        RNA_def_property_flag(prop, PROP_ID_REFCOUNT);
      }
 
      break;
    }
    case PROP_COLLECTION: {
      CollectionPropertyRNA *cprop = (CollectionPropertyRNA *)prop;
      cprop->item_type = type;
      break;
    }
    default:
      CLOG_ERROR(&LOG,
                 "\"%s.%s\", invalid type for struct type.",
                 CONTAINER_RNA_ID(cont),
                 prop->identifier);
      DefRNA.error = true;
      return;
  }
 
  if (is_id_type) {
    RNA_def_property_flag(prop, PROP_PTR_NO_OWNERSHIP);
  }
}
 
void RNA_def_property_enum_native_type(PropertyRNA *prop, const char *native_enum_type)
{
  StructRNA *srna = DefRNA.laststruct;
  switch (prop->type) {
    case PROP_ENUM: {
      EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
      eprop->native_enum_type = native_enum_type;
      break;
    }
    default:
      CLOG_ERROR(
          &LOG, "\"%s.%s\", invalid type for struct type.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_enum_items(PropertyRNA *prop, const EnumPropertyItem *item)
{
  StructRNA *srna = DefRNA.laststruct;
  int i, defaultfound = 0;
 
  switch (prop->type) {
    case PROP_ENUM: {
 
      /* Access DNA size & range (for additional sanity checks). */
      int enum_dna_size = -1;
      int enum_dna_range[2];
      if (DefRNA.preprocess) {
        /* If this is larger, this is likely a string which can sometimes store enums. */
        if (PropertyDefRNA *dp = rna_find_struct_property_def(srna, prop)) {
          if (dp->dnatype == nullptr || dp->dnatype[0] == '\0') {
            /* Unfortunately this happens when #PropertyDefRNA::dnastructname is for e.g.
             * `type->region_type` there isn't a convenient way to access the int size. */
          }
          else if (dp->dnaarraylength > 1) {
            /* When an array this is likely a string using get/set functions for enum access. */
          }
          else if (dp->dnasize == 0) {
            /* Some cases function callbacks are used, the DNA size isn't known. */
          }
          else {
            enum_dna_size = dp->dnasize;
            if (!rna_range_from_int_type(dp->dnatype, enum_dna_range)) {
              CLOG_ERROR(&LOG,
                         "\"%s.%s\", enum type \"%s\" size is not known.",
                         srna->identifier,
                         prop->identifier,
                         dp->dnatype);
            }
          }
        }
      }
 
      EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
      eprop->item = (EnumPropertyItem *)item;
      eprop->totitem = 0;
      for (i = 0; item[i].identifier; i++) {
        eprop->totitem++;
 
        if (item[i].identifier[0]) {
          /* Don't allow spaces in internal enum items (it's fine for Python ones). */
          if (DefRNA.preprocess && strstr(item[i].identifier, " ")) {
            CLOG_ERROR(&LOG,
                       "\"%s.%s\", enum identifiers must not contain spaces.",
                       srna->identifier,
                       prop->identifier);
            DefRNA.error = true;
            break;
          }
 
          /* When the integer size is known, check the flag wont fit. */
          if (enum_dna_size != -1) {
            if (prop->flag & PROP_ENUM_FLAG) {
              uint32_t enum_type_mask = 0;
              if (enum_dna_size == 1) {
                enum_type_mask = 0xff;
              }
              else if (enum_dna_size == 2) {
                enum_type_mask = 0xffff;
              }
              if (enum_type_mask != 0) {
                if (uint32_t(item[i].value) != (uint32_t(item[i].value) & enum_type_mask)) {
                  CLOG_ERROR(&LOG,
                             "\"%s.%s\", enum value for '%s' does not fit into %d byte(s).",
                             srna->identifier,
                             prop->identifier,
                             item[i].identifier,
                             enum_dna_size);
                  DefRNA.error = true;
                  break;
                }
              }
            }
            else {
              if (ELEM(enum_dna_size, 1, 2)) {
                if ((item[i].value < enum_dna_range[0]) || (item[i].value > enum_dna_range[1])) {
                  CLOG_ERROR(&LOG,
                             "\"%s.%s\", enum value for '%s' is outside of range [%d - %d].",
                             srna->identifier,
                             prop->identifier,
                             item[i].identifier,
                             enum_dna_range[0],
                             enum_dna_range[1]);
                  DefRNA.error = true;
                  break;
                }
              }
            }
          }
 
          if (item[i].value == eprop->defaultvalue) {
            defaultfound = 1;
          }
        }
      }
 
      if (!defaultfound) {
        for (i = 0; item[i].identifier; i++) {
          if (item[i].identifier[0]) {
            eprop->defaultvalue = item[i].value;
            break;
          }
        }
      }
 
      break;
    }
    default:
      CLOG_ERROR(
          &LOG, "\"%s.%s\", invalid type for struct type.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_string_maxlength(PropertyRNA *prop, int maxlength)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
      sprop->maxlength = maxlength;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not string.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_boolean_default(PropertyRNA *prop, bool value)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_BOOLEAN: {
      BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
      BLI_assert(ELEM(value, false, true));
#ifndef RNA_RUNTIME
      /* Default may be set from items. */
      if (bprop->defaultvalue) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      bprop->defaultvalue = value;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not boolean.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_boolean_array_default(PropertyRNA *prop, const bool *array)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_BOOLEAN: {
      BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
      bprop->defaultarray = array;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not boolean.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_int_default(PropertyRNA *prop, int value)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
#ifndef RNA_RUNTIME
      if (iprop->defaultvalue != 0) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      iprop->defaultvalue = value;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not int.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_int_array_default(PropertyRNA *prop, const int *array)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
#ifndef RNA_RUNTIME
      if (iprop->defaultarray != nullptr) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      iprop->defaultarray = array;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not int.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_float_default(PropertyRNA *prop, float value)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
#ifndef RNA_RUNTIME
      if (fprop->defaultvalue != 0) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      fprop->defaultvalue = value;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not float.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
void RNA_def_property_float_array_default(PropertyRNA *prop, const float *array)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
#ifndef RNA_RUNTIME
      if (fprop->defaultarray != nullptr) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      fprop->defaultarray = array; /* WARNING, this array must not come from the stack and lost */
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not float.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_string_default(PropertyRNA *prop, const char *value)
{
  StructRNA *srna = DefRNA.laststruct;
 
  switch (prop->type) {
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
 
      if (value == nullptr) {
        CLOG_ERROR(&LOG,
                   "\"%s.%s\", nullptr string passed (don't call in this case).",
                   srna->identifier,
                   prop->identifier);
        DefRNA.error = true;
        break;
      }
 
      if (!value[0]) {
        CLOG_ERROR(&LOG,
                   "\"%s.%s\", empty string passed (don't call in this case).",
                   srna->identifier,
                   prop->identifier);
        DefRNA.error = true;
        // BLI_assert(0);
        break;
      }
#ifndef RNA_RUNTIME
      if (sprop->defaultvalue != nullptr && sprop->defaultvalue[0]) {
        CLOG_ERROR(&LOG, "\"%s.%s\", set from DNA.", srna->identifier, prop->identifier);
      }
#endif
      sprop->defaultvalue = value;
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not string.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_enum_default(PropertyRNA *prop, int value)
{
  StructRNA *srna = DefRNA.laststruct;
  int i, defaultfound = 0;
 
  switch (prop->type) {
    case PROP_ENUM: {
      EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
      eprop->defaultvalue = value;
 
      if (prop->flag & PROP_ENUM_FLAG) {
        /* check all bits are accounted for */
        int totflag = 0;
        for (i = 0; i < eprop->totitem; i++) {
          if (eprop->item[i].identifier[0]) {
            totflag |= eprop->item[i].value;
          }
        }
 
        if (eprop->defaultvalue & ~totflag) {
          CLOG_ERROR(&LOG,
                     "\"%s.%s\", default includes unused bits (%d).",
                     srna->identifier,
                     prop->identifier,
                     eprop->defaultvalue & ~totflag);
          DefRNA.error = true;
        }
      }
      else {
        for (i = 0; i < eprop->totitem; i++) {
          if (eprop->item[i].identifier[0] && eprop->item[i].value == eprop->defaultvalue) {
            defaultfound = 1;
          }
        }
 
        if (!defaultfound && eprop->totitem) {
          if (value == 0) {
            eprop->defaultvalue = eprop->item[0].value;
          }
          else {
            CLOG_ERROR(
                &LOG, "\"%s.%s\", default is not in items.", srna->identifier, prop->identifier);
            DefRNA.error = true;
          }
        }
      }
 
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not enum.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
/* SDNA */
 
static PropertyDefRNA *rna_def_property_sdna(PropertyRNA *prop,
                                             const char *structname,
                                             const char *propname)
{
  DNAStructMember smember;
  StructDefRNA *ds;
  PropertyDefRNA *dp;
 
  dp = rna_find_struct_property_def(DefRNA.laststruct, prop);
  if (dp == nullptr) {
    return nullptr;
  }
 
  ds = rna_find_struct_def((StructRNA *)dp->cont);
 
  if (!structname) {
    structname = ds->dnaname;
  }
  if (!propname) {
    propname = prop->identifier;
  }
 
  int dnaoffset = 0;
  if (!rna_find_sdna_member(DefRNA.sdna, structname, propname, &smember, &dnaoffset)) {
    if (DefRNA.silent) {
      return nullptr;
    }
    if (!DefRNA.verify) {
      /* some basic values to survive even with sdna info */
      dp->dnastructname = structname;
      dp->dnaname = propname;
      if (prop->type == PROP_BOOLEAN) {
        dp->dnaarraylength = 1;
      }
      if (prop->type == PROP_POINTER) {
        dp->dnapointerlevel = 1;
      }
      dp->dnaoffset = smember.offset;
      return dp;
    }
    CLOG_ERROR(&LOG,
               "\"%s.%s\" (identifier \"%s\") not found. Struct must be in DNA.",
               structname,
               propname,
               prop->identifier);
    DefRNA.error = true;
    return nullptr;
  }
 
  if (smember.arraylength > 1) {
    prop->arraylength[0] = smember.arraylength;
    prop->totarraylength = smember.arraylength;
    prop->arraydimension = 1;
  }
  else {
    prop->arraydimension = 0;
    prop->totarraylength = 0;
  }
 
  dp->dnastructname = structname;
  dp->dnastructfromname = ds->dnafromname;
  dp->dnastructfromprop = ds->dnafromprop;
  dp->dnaname = propname;
  dp->dnatype = smember.type;
  dp->dnaarraylength = smember.arraylength;
  dp->dnapointerlevel = smember.pointerlevel;
  dp->dnaoffset = smember.offset;
  dp->dnasize = smember.size;
 
  return dp;
}
 
void RNA_def_property_boolean_sdna(PropertyRNA *prop,
                                   const char *structname,
                                   const char *propname,
                                   int64_t bit)
{
  PropertyDefRNA *dp;
  BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_BOOLEAN) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not boolean.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
 
    if (!DefRNA.silent) {
      /* Error check to ensure floats are not wrapped as integers/booleans. */
      if (dp->dnatype && *dp->dnatype && IS_DNATYPE_BOOLEAN_COMPAT(dp->dnatype) == 0) {
        CLOG_ERROR(&LOG,
                   "%s.%s is a '%s' but wrapped as type '%s'.",
                   srna->identifier,
                   prop->identifier,
                   dp->dnatype,
                   RNA_property_typename(prop->type));
        DefRNA.error = true;
        return;
      }
    }
 
    dp->booleanbit = bit;
 
#ifndef RNA_RUNTIME
    /* Set the default if possible. */
    if (dp->dnaoffset != -1) {
      int SDNAnr = DNA_struct_find_index_wrapper(DefRNA.sdna, dp->dnastructname);
      if (SDNAnr != -1) {
        const void *default_data = DNA_default_table[SDNAnr];
        if (default_data) {
          default_data = POINTER_OFFSET(default_data, dp->dnaoffset);
          bool has_default = true;
          if (prop->totarraylength > 0) {
            has_default = false;
            if (debugSRNA_defaults) {
              fprintf(stderr, "%s default: unsupported boolean array default\n", __func__);
            }
          }
          else {
            if (STREQ(dp->dnatype, "char")) {
              bprop->defaultvalue = *(const char *)default_data & bit;
            }
            else if (STREQ(dp->dnatype, "short")) {
              bprop->defaultvalue = *(const short *)default_data & bit;
            }
            else if (STREQ(dp->dnatype, "int")) {
              bprop->defaultvalue = *(const int *)default_data & bit;
            }
            else {
              has_default = false;
              if (debugSRNA_defaults) {
                fprintf(
                    stderr, "%s default: unsupported boolean type (%s)\n", __func__, dp->dnatype);
              }
            }
 
            if (has_default) {
              if (dp->booleannegative) {
                bprop->defaultvalue = !bprop->defaultvalue;
              }
 
              if (debugSRNA_defaults) {
                fprintf(stderr, "value=%d, ", bprop->defaultvalue);
                print_default_info(dp);
              }
            }
          }
        }
      }
    }
#else
    UNUSED_VARS(bprop);
#endif
  }
}
 
void RNA_def_property_boolean_negative_sdna(PropertyRNA *prop,
                                            const char *structname,
                                            const char *propname,
                                            int64_t booleanbit)
{
  PropertyDefRNA *dp;
 
  RNA_def_property_boolean_sdna(prop, structname, propname, booleanbit);
 
  dp = rna_find_struct_property_def(DefRNA.laststruct, prop);
 
  if (dp) {
    dp->booleannegative = true;
  }
}
 
void RNA_def_property_int_sdna(PropertyRNA *prop, const char *structname, const char *propname)
{
  PropertyDefRNA *dp;
  IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_INT) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not int.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
 
    /* Error check to ensure floats are not wrapped as integers/booleans. */
    if (!DefRNA.silent) {
      if (dp->dnatype && *dp->dnatype && IS_DNATYPE_INT_COMPAT(dp->dnatype) == 0) {
        CLOG_ERROR(&LOG,
                   "%s.%s is a '%s' but wrapped as type '%s'.",
                   srna->identifier,
                   prop->identifier,
                   dp->dnatype,
                   RNA_property_typename(prop->type));
        DefRNA.error = true;
        return;
      }
    }
 
    /* SDNA doesn't pass us unsigned unfortunately. */
    if (dp->dnatype != nullptr && (dp->dnatype[0] != '\0')) {
      int range[2];
      if (rna_range_from_int_type(dp->dnatype, range)) {
        iprop->hardmin = iprop->softmin = range[0];
        iprop->hardmax = iprop->softmax = range[1];
      }
      else {
        CLOG_ERROR(&LOG,
                   "\"%s.%s\", type \"%s\" range not known.",
                   srna->identifier,
                   prop->identifier,
                   dp->dnatype);
        DefRNA.error = true;
      }
 
      /* Rather arbitrary that this is only done for one type. */
      if (STREQ(dp->dnatype, "int")) {
        iprop->softmin = -10000;
        iprop->softmax = 10000;
      }
    }
 
    if (ELEM(prop->subtype, PROP_UNSIGNED, PROP_PERCENTAGE, PROP_FACTOR)) {
      iprop->hardmin = iprop->softmin = 0;
    }
 
#ifndef RNA_RUNTIME
    /* Set the default if possible. */
    if (dp->dnaoffset != -1) {
      int SDNAnr = DNA_struct_find_index_wrapper(DefRNA.sdna, dp->dnastructname);
      if (SDNAnr != -1) {
        const void *default_data = DNA_default_table[SDNAnr];
        if (default_data) {
          default_data = POINTER_OFFSET(default_data, dp->dnaoffset);
          /* NOTE: Currently doesn't store sign, assume chars are unsigned because
           * we build with this enabled, otherwise check 'PROP_UNSIGNED'. */
          bool has_default = true;
          if (prop->totarraylength > 0) {
            const void *default_data_end = POINTER_OFFSET(default_data, dp->dnasize);
            const int size_final = sizeof(int) * prop->totarraylength;
            if (STREQ(dp->dnatype, "char")) {
              int *defaultarray = static_cast<int *>(rna_calloc(size_final));
              for (int i = 0; i < prop->totarraylength && default_data < default_data_end; i++) {
                defaultarray[i] = *(const char *)default_data;
                default_data = POINTER_OFFSET(default_data, sizeof(char));
              }
              iprop->defaultarray = defaultarray;
            }
            else if (STREQ(dp->dnatype, "short")) {
 
              int *defaultarray = static_cast<int *>(rna_calloc(size_final));
              for (int i = 0; i < prop->totarraylength && default_data < default_data_end; i++) {
                defaultarray[i] = (prop->subtype != PROP_UNSIGNED) ? *(const short *)default_data :
                                                                     *(const ushort *)default_data;
                default_data = POINTER_OFFSET(default_data, sizeof(short));
              }
              iprop->defaultarray = defaultarray;
            }
            else if (STREQ(dp->dnatype, "int")) {
              int *defaultarray = static_cast<int *>(rna_calloc(size_final));
              memcpy(defaultarray, default_data, std::min(size_final, dp->dnasize));
              iprop->defaultarray = defaultarray;
            }
            else {
              has_default = false;
              if (debugSRNA_defaults) {
                fprintf(stderr,
                        "%s default: unsupported int array type (%s)\n",
                        __func__,
                        dp->dnatype);
              }
            }
 
            if (has_default) {
              if (debugSRNA_defaults) {
                fprintf(stderr, "value=(");
                for (int i = 0; i < prop->totarraylength; i++) {
                  fprintf(stderr, "%d, ", iprop->defaultarray[i]);
                }
                fprintf(stderr, "), ");
                print_default_info(dp);
              }
            }
          }
          else {
            if (STREQ(dp->dnatype, "char")) {
              iprop->defaultvalue = *(const char *)default_data;
            }
            else if (STREQ(dp->dnatype, "short")) {
              iprop->defaultvalue = (prop->subtype != PROP_UNSIGNED) ?
                                        *(const short *)default_data :
                                        *(const ushort *)default_data;
            }
            else if (STREQ(dp->dnatype, "int")) {
              iprop->defaultvalue = (prop->subtype != PROP_UNSIGNED) ? *(const int *)default_data :
                                                                       *(const uint *)default_data;
            }
            else {
              has_default = false;
              if (debugSRNA_defaults) {
                fprintf(stderr, "%s default: unsupported int type (%s)\n", __func__, dp->dnatype);
              }
            }
 
            if (has_default) {
              if (debugSRNA_defaults) {
                fprintf(stderr, "value=%d, ", iprop->defaultvalue);
                print_default_info(dp);
              }
            }
          }
        }
      }
    }
#endif
  }
}
 
void RNA_def_property_float_sdna(PropertyRNA *prop, const char *structname, const char *propname)
{
  PropertyDefRNA *dp;
  FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_FLOAT) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not float.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
    /* silent is for internal use */
    if (!DefRNA.silent) {
      if (dp->dnatype && *dp->dnatype && IS_DNATYPE_FLOAT_COMPAT(dp->dnatype) == 0) {
        /* Colors are an exception. these get translated. */
        if (prop->subtype != PROP_COLOR_GAMMA) {
          CLOG_ERROR(&LOG,
                     "%s.%s is a '%s' but wrapped as type '%s'.",
                     srna->identifier,
                     prop->identifier,
                     dp->dnatype,
                     RNA_property_typename(prop->type));
          DefRNA.error = true;
          return;
        }
      }
    }
 
    if (dp->dnatype && STREQ(dp->dnatype, "char")) {
      fprop->hardmin = fprop->softmin = 0.0f;
      fprop->hardmax = fprop->softmax = 1.0f;
    }
 
#ifndef RNA_RUNTIME
    /* Set the default if possible. */
    if (dp->dnaoffset != -1) {
      int SDNAnr = DNA_struct_find_index_wrapper(DefRNA.sdna, dp->dnastructname);
      if (SDNAnr != -1) {
        const void *default_data = DNA_default_table[SDNAnr];
        if (default_data) {
          default_data = POINTER_OFFSET(default_data, dp->dnaoffset);
          bool has_default = true;
          if (prop->totarraylength > 0) {
            if (STREQ(dp->dnatype, "float")) {
              const int size_final = sizeof(float) * prop->totarraylength;
              float *defaultarray = static_cast<float *>(rna_calloc(size_final));
              memcpy(defaultarray, default_data, std::min(size_final, dp->dnasize));
              fprop->defaultarray = defaultarray;
            }
            else {
              has_default = false;
              if (debugSRNA_defaults) {
                fprintf(stderr,
                        "%s default: unsupported float array type (%s)\n",
                        __func__,
                        dp->dnatype);
              }
            }
 
            if (has_default) {
              if (debugSRNA_defaults) {
                fprintf(stderr, "value=(");
                for (int i = 0; i < prop->totarraylength; i++) {
                  fprintf(stderr, "%g, ", fprop->defaultarray[i]);
                }
                fprintf(stderr, "), ");
                print_default_info(dp);
              }
            }
          }
          else {
            if (STREQ(dp->dnatype, "float")) {
              fprop->defaultvalue = *(const float *)default_data;
            }
            else if (STREQ(dp->dnatype, "char")) {
              fprop->defaultvalue = float(*(const char *)default_data) * (1.0f / 255.0f);
            }
            else {
              has_default = false;
              if (debugSRNA_defaults) {
                fprintf(
                    stderr, "%s default: unsupported float type (%s)\n", __func__, dp->dnatype);
              }
            }
 
            if (has_default) {
              if (debugSRNA_defaults) {
                fprintf(stderr, "value=%g, ", fprop->defaultvalue);
                print_default_info(dp);
              }
            }
          }
        }
      }
    }
#endif
  }
 
  rna_def_property_sdna(prop, structname, propname);
}
 
void RNA_def_property_enum_sdna(PropertyRNA *prop, const char *structname, const char *propname)
{
  PropertyDefRNA *dp;
  EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_ENUM) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not enum.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
    if (prop->arraydimension) {
      prop->arraydimension = 0;
      prop->totarraylength = 0;
 
      if (!DefRNA.silent) {
        CLOG_ERROR(&LOG, "\"%s.%s\", array not supported for enum type.", structname, propname);
        DefRNA.error = true;
      }
    }
 
#ifndef RNA_RUNTIME
    /* Set the default if possible. */
    if (dp->dnaoffset != -1) {
      int SDNAnr = DNA_struct_find_index_wrapper(DefRNA.sdna, dp->dnastructname);
      if (SDNAnr != -1) {
        const void *default_data = DNA_default_table[SDNAnr];
        if (default_data) {
          default_data = POINTER_OFFSET(default_data, dp->dnaoffset);
          bool has_default = true;
          if (STREQ(dp->dnatype, "char")) {
            eprop->defaultvalue = *(const char *)default_data;
          }
          else if (STREQ(dp->dnatype, "short")) {
            eprop->defaultvalue = *(const short *)default_data;
          }
          else if (STREQ(dp->dnatype, "int")) {
            eprop->defaultvalue = *(const int *)default_data;
          }
          else {
            has_default = false;
            if (debugSRNA_defaults) {
              fprintf(stderr, "%s default: unsupported enum type (%s)\n", __func__, dp->dnatype);
            }
          }
 
          if (has_default) {
            if (debugSRNA_defaults) {
              fprintf(stderr, "value=%d, ", eprop->defaultvalue);
              print_default_info(dp);
            }
          }
        }
      }
    }
#else
    UNUSED_VARS(eprop);
#endif
  }
}
 
void RNA_def_property_enum_bitflag_sdna(PropertyRNA *prop,
                                        const char *structname,
                                        const char *propname)
{
  PropertyDefRNA *dp;
 
  RNA_def_property_enum_sdna(prop, structname, propname);
 
  dp = rna_find_struct_property_def(DefRNA.laststruct, prop);
 
  if (dp) {
    dp->enumbitflags = 1;
 
#ifndef RNA_RUNTIME
    int defaultvalue_mask = 0;
    EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
    for (int i = 0; i < eprop->totitem; i++) {
      if (eprop->item[i].identifier[0]) {
        defaultvalue_mask |= eprop->defaultvalue & eprop->item[i].value;
      }
    }
    eprop->defaultvalue = defaultvalue_mask;
#endif
  }
}
 
void RNA_def_property_string_sdna(PropertyRNA *prop, const char *structname, const char *propname)
{
  PropertyDefRNA *dp;
  StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_STRING) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not string.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
    if (prop->arraydimension) {
      sprop->maxlength = prop->totarraylength;
      prop->arraydimension = 0;
      prop->totarraylength = 0;
    }
 
#ifndef RNA_RUNTIME
    /* Set the default if possible. */
    if ((dp->dnaoffset != -1) && (dp->dnapointerlevel != 0)) {
      int SDNAnr = DNA_struct_find_index_wrapper(DefRNA.sdna, dp->dnastructname);
      if (SDNAnr != -1) {
        const void *default_data = DNA_default_table[SDNAnr];
        if (default_data) {
          default_data = POINTER_OFFSET(default_data, dp->dnaoffset);
          sprop->defaultvalue = static_cast<const char *>(default_data);
 
          if (debugSRNA_defaults) {
            fprintf(stderr, "value=\"%s\", ", sprop->defaultvalue);
            print_default_info(dp);
          }
        }
      }
    }
#endif
  }
}
 
void RNA_def_property_pointer_sdna(PropertyRNA *prop, const char *structname, const char *propname)
{
  // PropertyDefRNA *dp;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_POINTER) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not pointer.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if (/* dp= */ rna_def_property_sdna(prop, structname, propname)) {
    if (prop->arraydimension) {
      prop->arraydimension = 0;
      prop->totarraylength = 0;
 
      if (!DefRNA.silent) {
        CLOG_ERROR(&LOG, "\"%s.%s\", array not supported for pointer type.", structname, propname);
        DefRNA.error = true;
      }
    }
  }
}
 
void RNA_def_property_collection_sdna(PropertyRNA *prop,
                                      const char *structname,
                                      const char *propname,
                                      const char *lengthpropname)
{
  PropertyDefRNA *dp;
  CollectionPropertyRNA *cprop = (CollectionPropertyRNA *)prop;
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (prop->type != PROP_COLLECTION) {
    CLOG_ERROR(&LOG, "\"%s.%s\", type is not collection.", srna->identifier, prop->identifier);
    DefRNA.error = true;
    return;
  }
 
  if ((dp = rna_def_property_sdna(prop, structname, propname))) {
    if (prop->arraydimension && !lengthpropname) {
      prop->arraydimension = 0;
      prop->totarraylength = 0;
 
      if (!DefRNA.silent) {
        CLOG_ERROR(&LOG, "\"%s.%s\", array of collections not supported.", structname, propname);
        DefRNA.error = true;
      }
    }
 
    if (dp->dnatype && STREQ(dp->dnatype, "ListBase")) {
      cprop->next = (PropCollectionNextFunc)(void *)"rna_iterator_listbase_next";
      cprop->get = (PropCollectionGetFunc)(void *)"rna_iterator_listbase_get";
      cprop->end = (PropCollectionEndFunc)(void *)"rna_iterator_listbase_end";
    }
  }
 
  if (dp && lengthpropname) {
    DNAStructMember smember;
    StructDefRNA *ds = rna_find_struct_def((StructRNA *)dp->cont);
 
    if (!structname) {
      structname = ds->dnaname;
    }
 
    int dnaoffset = 0;
    if (lengthpropname[0] == 0 ||
        rna_find_sdna_member(DefRNA.sdna, structname, lengthpropname, &smember, &dnaoffset))
    {
      if (lengthpropname[0] == 0) {
        dp->dnalengthfixed = prop->totarraylength;
        prop->arraydimension = 0;
        prop->totarraylength = 0;
      }
      else {
        dp->dnalengthstructname = structname;
        dp->dnalengthname = lengthpropname;
        prop->totarraylength = 0;
      }
 
      cprop->next = (PropCollectionNextFunc)(void *)"rna_iterator_array_next";
      cprop->end = (PropCollectionEndFunc)(void *)"rna_iterator_array_end";
 
      if (dp->dnapointerlevel >= 2) {
        cprop->get = (PropCollectionGetFunc)(void *)"rna_iterator_array_dereference_get";
      }
      else {
        cprop->get = (PropCollectionGetFunc)(void *)"rna_iterator_array_get";
      }
    }
    else {
      if (!DefRNA.silent) {
        CLOG_ERROR(&LOG, "\"%s.%s\" not found.", structname, lengthpropname);
        DefRNA.error = true;
      }
    }
  }
}
 
void RNA_def_property_translation_context(PropertyRNA *prop, const char *context)
{
  prop->translation_context = context ? context : BLT_I18NCONTEXT_DEFAULT_BPYRNA;
}
 
/* Functions */
 
void RNA_def_property_editable_func(PropertyRNA *prop, const char *editable)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (editable) {
    prop->editable = (EditableFunc)editable;
  }
}
 
void RNA_def_property_editable_array_func(PropertyRNA *prop, const char *editable)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (editable) {
    prop->itemeditable = (ItemEditableFunc)editable;
  }
}
 
void RNA_def_property_override_funcs(PropertyRNA *prop,
                                     const char *diff,
                                     const char *store,
                                     const char *apply)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (diff) {
    prop->override_diff = (RNAPropOverrideDiff)diff;
  }
  if (store) {
    prop->override_store = (RNAPropOverrideStore)store;
  }
  if (apply) {
    prop->override_apply = (RNAPropOverrideApply)apply;
  }
}
 
void RNA_def_property_update(PropertyRNA *prop, int noteflag, const char *func)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  prop->noteflag = noteflag;
  prop->update = (UpdateFunc)func;
}
 
void RNA_def_property_update_runtime(PropertyRNA *prop, RNAPropertyUpdateFunc func)
{
  prop->update = (UpdateFunc)func;
}
 
void RNA_def_property_update_runtime_with_context_and_property(
    PropertyRNA *prop, RNAPropertyUpdateFuncWithContextAndProperty func)
{
  prop->update = (UpdateFunc)func;
  RNA_def_property_flag(prop, PROP_CONTEXT_PROPERTY_UPDATE);
}
 
void RNA_def_property_update_notifier(PropertyRNA *prop, const int noteflag)
{
  prop->noteflag = noteflag;
}
 
void RNA_def_property_poll_runtime(PropertyRNA *prop, const void *func)
{
  if (prop->type == PROP_POINTER) {
    ((PointerPropertyRNA *)prop)->poll = (PropPointerPollFunc)func;
  }
  else {
    CLOG_ERROR(&LOG, "%s is not a Pointer Property.", prop->identifier);
  }
}
 
void RNA_def_property_dynamic_array_funcs(PropertyRNA *prop, const char *getlength)
{
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  if (!(prop->flag & PROP_DYNAMIC)) {
    CLOG_ERROR(&LOG, "property is a not dynamic array.");
    DefRNA.error = true;
    return;
  }
 
  if (getlength) {
    prop->getlength = (PropArrayLengthGetFunc)getlength;
  }
}
 
void RNA_def_property_boolean_funcs(PropertyRNA *prop, const char *get, const char *set)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_BOOLEAN: {
      BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
 
      if (prop->arraydimension) {
        if (get) {
          bprop->getarray = (PropBooleanArrayGetFunc)get;
        }
        if (set) {
          bprop->setarray = (PropBooleanArraySetFunc)set;
        }
      }
      else {
        if (get) {
          bprop->get = (PropBooleanGetFunc)get;
        }
        if (set) {
          bprop->set = (PropBooleanSetFunc)set;
        }
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not boolean.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_boolean_funcs_runtime(PropertyRNA *prop,
                                            BooleanPropertyGetFunc getfunc,
                                            BooleanPropertySetFunc setfunc)
{
  BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
 
  if (getfunc) {
    bprop->get_ex = getfunc;
  }
  if (setfunc) {
    bprop->set_ex = setfunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_boolean_array_funcs_runtime(PropertyRNA *prop,
                                                  BooleanArrayPropertyGetFunc getfunc,
                                                  BooleanArrayPropertySetFunc setfunc)
{
  BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
 
  if (getfunc) {
    bprop->getarray_ex = getfunc;
  }
  if (setfunc) {
    bprop->setarray_ex = setfunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_int_funcs(PropertyRNA *prop,
                                const char *get,
                                const char *set,
                                const char *range)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
 
      if (prop->arraydimension) {
        if (get) {
          iprop->getarray = (PropIntArrayGetFunc)get;
        }
        if (set) {
          iprop->setarray = (PropIntArraySetFunc)set;
        }
      }
      else {
        if (get) {
          iprop->get = (PropIntGetFunc)get;
        }
        if (set) {
          iprop->set = (PropIntSetFunc)set;
        }
      }
      if (range) {
        iprop->range = (PropIntRangeFunc)range;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not int.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_int_funcs_runtime(PropertyRNA *prop,
                                        IntPropertyGetFunc getfunc,
                                        IntPropertySetFunc setfunc,
                                        IntPropertyRangeFunc rangefunc)
{
  IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
 
  if (getfunc) {
    iprop->get_ex = getfunc;
  }
  if (setfunc) {
    iprop->set_ex = setfunc;
  }
  if (rangefunc) {
    iprop->range_ex = rangefunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_int_array_funcs_runtime(PropertyRNA *prop,
                                              IntArrayPropertyGetFunc getfunc,
                                              IntArrayPropertySetFunc setfunc,
                                              IntPropertyRangeFunc rangefunc)
{
  IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
 
  if (getfunc) {
    iprop->getarray_ex = getfunc;
  }
  if (setfunc) {
    iprop->setarray_ex = setfunc;
  }
  if (rangefunc) {
    iprop->range_ex = rangefunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_float_funcs(PropertyRNA *prop,
                                  const char *get,
                                  const char *set,
                                  const char *range)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
 
      if (prop->arraydimension) {
        if (get) {
          fprop->getarray = (PropFloatArrayGetFunc)get;
        }
        if (set) {
          fprop->setarray = (PropFloatArraySetFunc)set;
        }
      }
      else {
        if (get) {
          fprop->get = (PropFloatGetFunc)get;
        }
        if (set) {
          fprop->set = (PropFloatSetFunc)set;
        }
      }
      if (range) {
        fprop->range = (PropFloatRangeFunc)range;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not float.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_float_funcs_runtime(PropertyRNA *prop,
                                          FloatPropertyGetFunc getfunc,
                                          FloatPropertySetFunc setfunc,
                                          FloatPropertyRangeFunc rangefunc)
{
  FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
 
  if (getfunc) {
    fprop->get_ex = getfunc;
  }
  if (setfunc) {
    fprop->set_ex = setfunc;
  }
  if (rangefunc) {
    fprop->range_ex = rangefunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_float_array_funcs_runtime(PropertyRNA *prop,
                                                FloatArrayPropertyGetFunc getfunc,
                                                FloatArrayPropertySetFunc setfunc,
                                                FloatPropertyRangeFunc rangefunc)
{
  FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
 
  if (getfunc) {
    fprop->getarray_ex = getfunc;
  }
  if (setfunc) {
    fprop->setarray_ex = setfunc;
  }
  if (rangefunc) {
    fprop->range_ex = rangefunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_enum_funcs(PropertyRNA *prop,
                                 const char *get,
                                 const char *set,
                                 const char *item)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_ENUM: {
      EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
 
      if (get) {
        eprop->get = (PropEnumGetFunc)get;
      }
      if (set) {
        eprop->set = (PropEnumSetFunc)set;
      }
      if (item) {
        eprop->item_fn = (PropEnumItemFunc)item;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not enum.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_enum_funcs_runtime(PropertyRNA *prop,
                                         EnumPropertyGetFunc getfunc,
                                         EnumPropertySetFunc setfunc,
                                         EnumPropertyItemFunc itemfunc)
{
  EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
 
  if (getfunc) {
    eprop->get_ex = getfunc;
  }
  if (setfunc) {
    eprop->set_ex = setfunc;
  }
  if (itemfunc) {
    eprop->item_fn = itemfunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_string_funcs(PropertyRNA *prop,
                                   const char *get,
                                   const char *length,
                                   const char *set)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
 
      if (get) {
        sprop->get = (PropStringGetFunc)get;
      }
      if (length) {
        sprop->length = (PropStringLengthFunc)length;
      }
      if (set) {
        sprop->set = (PropStringSetFunc)set;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not string.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_string_search_func(PropertyRNA *prop,
                                         const char *search,
                                         const eStringPropertySearchFlag search_flag)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
      sprop->search = (StringPropertySearchFunc)search;
      if (search != nullptr) {
        sprop->search_flag = search_flag | PROP_STRING_SEARCH_SUPPORTED;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not string.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_string_funcs_runtime(PropertyRNA *prop,
                                           StringPropertyGetFunc getfunc,
                                           StringPropertyLengthFunc lengthfunc,
                                           StringPropertySetFunc setfunc)
{
  StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
 
  if (getfunc) {
    sprop->get_ex = getfunc;
  }
  if (lengthfunc) {
    sprop->length_ex = lengthfunc;
  }
  if (setfunc) {
    sprop->set_ex = setfunc;
  }
 
  if (getfunc || setfunc) {
    /* don't save in id properties */
    RNA_def_property_clear_flag(prop, PROP_IDPROPERTY);
 
    if (!setfunc) {
      RNA_def_property_clear_flag(prop, PROP_EDITABLE);
    }
  }
}
 
void RNA_def_property_string_search_func_runtime(PropertyRNA *prop,
                                                 StringPropertySearchFunc search_fn,
                                                 const eStringPropertySearchFlag search_flag)
{
  StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
 
  sprop->search = search_fn;
  if (search_fn != nullptr) {
    sprop->search_flag = search_flag | PROP_STRING_SEARCH_SUPPORTED;
  }
}
 
void RNA_def_property_pointer_funcs(
    PropertyRNA *prop, const char *get, const char *set, const char *type_fn, const char *poll)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_POINTER: {
      PointerPropertyRNA *pprop = (PointerPropertyRNA *)prop;
 
      if (get) {
        pprop->get = (PropPointerGetFunc)get;
      }
      if (set) {
        pprop->set = (PropPointerSetFunc)set;
      }
      if (type_fn) {
        pprop->type_fn = (PropPointerTypeFunc)type_fn;
      }
      if (poll) {
        pprop->poll = (PropPointerPollFunc)poll;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not pointer.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_collection_funcs(PropertyRNA *prop,
                                       const char *begin,
                                       const char *next,
                                       const char *end,
                                       const char *get,
                                       const char *length,
                                       const char *lookupint,
                                       const char *lookupstring,
                                       const char *assignint)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing.");
    return;
  }
 
  switch (prop->type) {
    case PROP_COLLECTION: {
      CollectionPropertyRNA *cprop = (CollectionPropertyRNA *)prop;
 
      if (begin) {
        cprop->begin = (PropCollectionBeginFunc)begin;
      }
      if (next) {
        cprop->next = (PropCollectionNextFunc)next;
      }
      if (end) {
        cprop->end = (PropCollectionEndFunc)end;
      }
      if (get) {
        cprop->get = (PropCollectionGetFunc)get;
      }
      if (length) {
        cprop->length = (PropCollectionLengthFunc)length;
      }
      if (lookupint) {
        cprop->lookupint = (PropCollectionLookupIntFunc)lookupint;
      }
      if (lookupstring) {
        cprop->lookupstring = (PropCollectionLookupStringFunc)lookupstring;
      }
      if (assignint) {
        cprop->assignint = (PropCollectionAssignIntFunc)assignint;
      }
      break;
    }
    default:
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not collection.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
  }
}
 
void RNA_def_property_float_default_func(PropertyRNA *prop, const char *get_default)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing");
    return;
  }
  switch (prop->type) {
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = reinterpret_cast<FloatPropertyRNA *>(prop);
      if (prop->arraydimension) {
        if (get_default) {
          fprop->get_default_array = (PropFloatArrayGetFuncEx)get_default;
        }
      }
      else {
        if (get_default) {
          fprop->get_default = (PropFloatGetFuncEx)get_default;
        }
      }
      break;
    }
    default: {
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not float.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
    }
  }
}
 
void RNA_def_property_int_default_func(PropertyRNA *prop, const char *get_default)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing");
    return;
  }
  switch (prop->type) {
    case PROP_INT: {
      IntPropertyRNA *iprop = reinterpret_cast<IntPropertyRNA *>(prop);
      if (prop->arraydimension) {
        if (get_default) {
          iprop->get_default_array = (PropIntArrayGetFuncEx)get_default;
        }
      }
      else {
        if (get_default) {
          iprop->get_default = (PropIntGetFuncEx)get_default;
        }
      }
      break;
    }
    default: {
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not int.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
    }
  }
}
 
void RNA_def_property_boolean_default_func(PropertyRNA *prop, const char *get_default)
{
  StructRNA *srna = DefRNA.laststruct;
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only during preprocessing");
    return;
  }
  switch (prop->type) {
    case PROP_BOOLEAN: {
      BoolPropertyRNA *bprop = reinterpret_cast<BoolPropertyRNA *>(prop);
      if (prop->arraydimension) {
        if (get_default) {
          bprop->get_default_array = (PropBooleanArrayGetFuncEx)get_default;
        }
      }
      else {
        if (get_default) {
          bprop->get_default = (PropBooleanGetFuncEx)get_default;
        }
      }
      break;
    }
    default: {
      CLOG_ERROR(&LOG, "\"%s.%s\", type is not boolean.", srna->identifier, prop->identifier);
      DefRNA.error = true;
      break;
    }
  }
}
 
void RNA_def_property_srna(PropertyRNA *prop, const char *type)
{
  const char *error = nullptr;
  if (!rna_validate_identifier(type, false, &error)) {
    CLOG_ERROR(&LOG, "struct identifier \"%s\" error - %s", type, error);
    DefRNA.error = true;
    return;
  }
 
  prop->srna = (StructRNA *)type;
}
 
void RNA_def_py_data(PropertyRNA *prop, void *py_data)
{
  prop->py_data = py_data;
}
 
/* Compact definitions */
 
PropertyRNA *RNA_def_boolean(StructOrFunctionRNA *cont_,
                             const char *identifier,
                             const bool default_value,
                             const char *ui_name,
                             const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_BOOLEAN, PROP_NONE);
  RNA_def_property_boolean_default(prop, default_value);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_boolean_array(StructOrFunctionRNA *cont_,
                                   const char *identifier,
                                   const int len,
                                   const bool *default_value,
                                   const char *ui_name,
                                   const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_BOOLEAN, PROP_NONE);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_boolean_array_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_boolean_layer(StructOrFunctionRNA *cont_,
                                   const char *identifier,
                                   const int len,
                                   const bool *default_value,
                                   const char *ui_name,
                                   const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_BOOLEAN, PROP_LAYER);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_boolean_array_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_boolean_layer_member(StructOrFunctionRNA *cont_,
                                          const char *identifier,
                                          const int len,
                                          const bool *default_value,
                                          const char *ui_name,
                                          const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_BOOLEAN, PROP_LAYER_MEMBER);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_boolean_array_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_boolean_vector(StructOrFunctionRNA *cont_,
                                    const char *identifier,
                                    const int len,
                                    const bool *default_value,
                                    const char *ui_name,
                                    const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_BOOLEAN, PROP_XYZ); /* XXX */
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_boolean_array_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_int(StructOrFunctionRNA *cont_,
                         const char *identifier,
                         const int default_value,
                         const int hardmin,
                         const int hardmax,
                         const char *ui_name,
                         const char *ui_description,
                         const int softmin,
                         const int softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_INT, PROP_NONE);
  RNA_def_property_int_default(prop, default_value);
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_int_vector(StructOrFunctionRNA *cont_,
                                const char *identifier,
                                const int len,
                                const int *default_value,
                                const int hardmin,
                                const int hardmax,
                                const char *ui_name,
                                const char *ui_description,
                                const int softmin,
                                const int softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_INT, PROP_XYZ); /* XXX */
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_int_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_int_array(StructOrFunctionRNA *cont_,
                               const char *identifier,
                               const int len,
                               const int *default_value,
                               const int hardmin,
                               const int hardmax,
                               const char *ui_name,
                               const char *ui_description,
                               const int softmin,
                               const int softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_INT, PROP_NONE);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_int_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_string(StructOrFunctionRNA *cont_,
                            const char *identifier,
                            const char *default_value,
                            const int maxlen,
                            const char *ui_name,
                            const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  BLI_assert(default_value == nullptr || default_value[0]);
 
  prop = RNA_def_property(cont, identifier, PROP_STRING, PROP_NONE);
  if (maxlen != 0) {
    RNA_def_property_string_maxlength(prop, maxlen);
  }
  if (default_value) {
    RNA_def_property_string_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_string_file_path(StructOrFunctionRNA *cont_,
                                      const char *identifier,
                                      const char *default_value,
                                      const int maxlen,
                                      const char *ui_name,
                                      const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  BLI_assert(default_value == nullptr || default_value[0]);
 
  prop = RNA_def_property(cont, identifier, PROP_STRING, PROP_FILEPATH);
  if (maxlen != 0) {
    RNA_def_property_string_maxlength(prop, maxlen);
  }
  if (default_value) {
    RNA_def_property_string_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_string_dir_path(StructOrFunctionRNA *cont_,
                                     const char *identifier,
                                     const char *default_value,
                                     const int maxlen,
                                     const char *ui_name,
                                     const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  BLI_assert(default_value == nullptr || default_value[0]);
 
  prop = RNA_def_property(cont, identifier, PROP_STRING, PROP_DIRPATH);
  if (maxlen != 0) {
    RNA_def_property_string_maxlength(prop, maxlen);
  }
  if (default_value) {
    RNA_def_property_string_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_string_file_name(StructOrFunctionRNA *cont_,
                                      const char *identifier,
                                      const char *default_value,
                                      const int maxlen,
                                      const char *ui_name,
                                      const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  BLI_assert(default_value == nullptr || default_value[0]);
 
  prop = RNA_def_property(cont, identifier, PROP_STRING, PROP_FILENAME);
  if (maxlen != 0) {
    RNA_def_property_string_maxlength(prop, maxlen);
  }
  if (default_value) {
    RNA_def_property_string_default(prop, default_value);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_enum(StructOrFunctionRNA *cont_,
                          const char *identifier,
                          const EnumPropertyItem *items,
                          const int default_value,
                          const char *ui_name,
                          const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  if (items == nullptr) {
    CLOG_ERROR(&LOG, "items not allowed to be nullptr.");
    return nullptr;
  }
 
  prop = RNA_def_property(cont, identifier, PROP_ENUM, PROP_NONE);
  RNA_def_property_enum_items(prop, items);
  RNA_def_property_enum_default(prop, default_value);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_enum_flag(StructOrFunctionRNA *cont_,
                               const char *identifier,
                               const EnumPropertyItem *items,
                               const int default_value,
                               const char *ui_name,
                               const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  if (items == nullptr) {
    CLOG_ERROR(&LOG, "items not allowed to be nullptr.");
    return nullptr;
  }
 
  prop = RNA_def_property(cont, identifier, PROP_ENUM, PROP_NONE);
  RNA_def_property_flag(prop, PROP_ENUM_FLAG); /* important to run before default set */
  RNA_def_property_enum_items(prop, items);
  RNA_def_property_enum_default(prop, default_value);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
void RNA_def_enum_funcs(PropertyRNA *prop, EnumPropertyItemFunc itemfunc)
{
  EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
  eprop->item_fn = itemfunc;
}
 
PropertyRNA *RNA_def_float(StructOrFunctionRNA *cont_,
                           const char *identifier,
                           const float default_value,
                           const float hardmin,
                           const float hardmax,
                           const char *ui_name,
                           const char *ui_description,
                           const float softmin,
                           const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_NONE);
  RNA_def_property_float_default(prop, default_value);
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_vector(StructOrFunctionRNA *cont_,
                                  const char *identifier,
                                  const int len,
                                  const float *default_value,
                                  const float hardmin,
                                  const float hardmax,
                                  const char *ui_name,
                                  const char *ui_description,
                                  const float softmin,
                                  const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_XYZ);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_float_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_vector_xyz(StructOrFunctionRNA *cont_,
                                      const char *identifier,
                                      const int len,
                                      const float *default_value,
                                      const float hardmin,
                                      const float hardmax,
                                      const char *ui_name,
                                      const char *ui_description,
                                      const float softmin,
                                      const float softmax)
{
  PropertyRNA *prop;
 
  prop = RNA_def_float_vector(cont_,
                              identifier,
                              len,
                              default_value,
                              hardmin,
                              hardmax,
                              ui_name,
                              ui_description,
                              softmin,
                              softmax);
  prop->subtype = PROP_XYZ_LENGTH;
 
  return prop;
}
 
PropertyRNA *RNA_def_float_color(StructOrFunctionRNA *cont_,
                                 const char *identifier,
                                 const int len,
                                 const float *default_value,
                                 const float hardmin,
                                 const float hardmax,
                                 const char *ui_name,
                                 const char *ui_description,
                                 const float softmin,
                                 const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_COLOR);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_float_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_matrix(StructOrFunctionRNA *cont_,
                                  const char *identifier,
                                  const int rows,
                                  const int columns,
                                  const float *default_value,
                                  const float hardmin,
                                  const float hardmax,
                                  const char *ui_name,
                                  const char *ui_description,
                                  const float softmin,
                                  const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
  const int length[2] = {rows, columns};
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_MATRIX);
  RNA_def_property_multi_array(prop, 2, length);
  if (default_value) {
    RNA_def_property_float_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_translation(StructOrFunctionRNA *cont_,
                                       const char *identifier,
                                       const int len,
                                       const float *default_value,
                                       const float hardmin,
                                       const float hardmax,
                                       const char *ui_name,
                                       const char *ui_description,
                                       const float softmin,
                                       const float softmax)
{
  PropertyRNA *prop;
 
  prop = RNA_def_float_vector(cont_,
                              identifier,
                              len,
                              default_value,
                              hardmin,
                              hardmax,
                              ui_name,
                              ui_description,
                              softmin,
                              softmax);
  prop->subtype = PROP_TRANSLATION;
 
  RNA_def_property_ui_range(prop, softmin, softmax, 1, RNA_TRANSLATION_PREC_DEFAULT);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_rotation(StructOrFunctionRNA *cont_,
                                    const char *identifier,
                                    const int len,
                                    const float *default_value,
                                    const float hardmin,
                                    const float hardmax,
                                    const char *ui_name,
                                    const char *ui_description,
                                    const float softmin,
                                    const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, (len >= 3) ? PROP_EULER : PROP_ANGLE);
  if (len != 0) {
    RNA_def_property_array(prop, len);
    if (default_value) {
      RNA_def_property_float_array_default(prop, default_value);
    }
  }
  else {
    /* RNA_def_property_float_default must be called outside */
    BLI_assert(default_value == nullptr);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 10, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_distance(StructOrFunctionRNA *cont_,
                                    const char *identifier,
                                    const float default_value,
                                    const float hardmin,
                                    const float hardmax,
                                    const char *ui_name,
                                    const char *ui_description,
                                    const float softmin,
                                    const float softmax)
{
  PropertyRNA *prop = RNA_def_float(cont_,
                                    identifier,
                                    default_value,
                                    hardmin,
                                    hardmax,
                                    ui_name,
                                    ui_description,
                                    softmin,
                                    softmax);
  RNA_def_property_subtype(prop, PROP_DISTANCE);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_array(StructOrFunctionRNA *cont_,
                                 const char *identifier,
                                 const int len,
                                 const float *default_value,
                                 const float hardmin,
                                 const float hardmax,
                                 const char *ui_name,
                                 const char *ui_description,
                                 const float softmin,
                                 const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_NONE);
  if (len != 0) {
    RNA_def_property_array(prop, len);
  }
  if (default_value) {
    RNA_def_property_float_array_default(prop, default_value);
  }
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_percentage(StructOrFunctionRNA *cont_,
                                      const char *identifier,
                                      const float default_value,
                                      const float hardmin,
                                      const float hardmax,
                                      const char *ui_name,
                                      const char *ui_description,
                                      const float softmin,
                                      const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
#ifndef NDEBUG
  /* Properties with PROP_PERCENTAGE should use a range like 0 to 100, unlike PROP_FACTOR. */
  if (hardmax < 2.0f) {
    CLOG_WARN(&LOG,
              "Percentage property with incorrect range: %s.%s",
              CONTAINER_RNA_ID(cont),
              identifier);
  }
#endif
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_PERCENTAGE);
  RNA_def_property_float_default(prop, default_value);
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_float_factor(StructOrFunctionRNA *cont_,
                                  const char *identifier,
                                  const float default_value,
                                  const float hardmin,
                                  const float hardmax,
                                  const char *ui_name,
                                  const char *ui_description,
                                  const float softmin,
                                  const float softmax)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  ASSERT_SOFT_HARD_LIMITS;
 
  prop = RNA_def_property(cont, identifier, PROP_FLOAT, PROP_FACTOR);
  RNA_def_property_float_default(prop, default_value);
  if (hardmin != hardmax) {
    RNA_def_property_range(prop, hardmin, hardmax);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
  RNA_def_property_ui_range(prop, softmin, softmax, 1, 3);
 
  return prop;
}
 
PropertyRNA *RNA_def_pointer(StructOrFunctionRNA *cont_,
                             const char *identifier,
                             const char *type,
                             const char *ui_name,
                             const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_type(prop, type);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_pointer_runtime(StructOrFunctionRNA *cont_,
                                     const char *identifier,
                                     StructRNA *type,
                                     const char *ui_name,
                                     const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_POINTER, PROP_NONE);
  RNA_def_property_struct_runtime(cont, prop, type);
  if ((type->flag & STRUCT_ID) != 0) {
    RNA_def_property_flag(prop, PROP_EDITABLE);
  }
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_collection(StructOrFunctionRNA *cont_,
                                const char *identifier,
                                const char *type,
                                const char *ui_name,
                                const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_type(prop, type);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
PropertyRNA *RNA_def_collection_runtime(StructOrFunctionRNA *cont_,
                                        const char *identifier,
                                        StructRNA *type,
                                        const char *ui_name,
                                        const char *ui_description)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop;
 
  prop = RNA_def_property(cont, identifier, PROP_COLLECTION, PROP_NONE);
  RNA_def_property_struct_runtime(cont, prop, type);
  RNA_def_property_ui_text(prop, ui_name, ui_description);
 
  return prop;
}
 
/* Function */
 
static FunctionRNA *rna_def_function(StructRNA *srna, const char *identifier)
{
  FunctionRNA *func;
  StructDefRNA *dsrna;
  FunctionDefRNA *dfunc;
 
  if (DefRNA.preprocess) {
    const char *error = nullptr;
    if (!rna_validate_identifier(identifier, false, &error)) {
      CLOG_ERROR(&LOG, "function identifier \"%s\" - %s", identifier, error);
      DefRNA.error = true;
    }
  }
 
  func = static_cast<FunctionRNA *>(MEM_callocN(sizeof(FunctionRNA), "FunctionRNA"));
  func->identifier = identifier;
  func->description = identifier;
 
  rna_addtail(&srna->functions, func);
 
  if (DefRNA.preprocess) {
    dsrna = rna_find_struct_def(srna);
    dfunc = static_cast<FunctionDefRNA *>(MEM_callocN(sizeof(FunctionDefRNA), "FunctionDefRNA"));
    rna_addtail(&dsrna->functions, dfunc);
    dfunc->func = func;
  }
  else {
    RNA_def_function_flag(func, FUNC_RUNTIME);
  }
 
  return func;
}
 
FunctionRNA *RNA_def_function(StructRNA *srna, const char *identifier, const char *call)
{
  FunctionRNA *func;
  FunctionDefRNA *dfunc;
 
  if (BLI_findstring_ptr(&srna->functions, identifier, offsetof(FunctionRNA, identifier))) {
    CLOG_ERROR(&LOG, "%s.%s already defined.", srna->identifier, identifier);
    return nullptr;
  }
 
  func = rna_def_function(srna, identifier);
 
  if (!DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only at preprocess time.");
    return func;
  }
 
  dfunc = rna_find_function_def(func);
  dfunc->call = call;
 
  return func;
}
 
FunctionRNA *RNA_def_function_runtime(StructRNA *srna, const char *identifier, CallFunc call)
{
  FunctionRNA *func;
 
  func = rna_def_function(srna, identifier);
 
  if (DefRNA.preprocess) {
    CLOG_ERROR(&LOG, "only at runtime.");
    return func;
  }
 
  func->call = call;
 
  return func;
}
 
void RNA_def_function_return(FunctionRNA *func, PropertyRNA *ret)
{
  if (ret->flag & PROP_DYNAMIC) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", dynamic values are not allowed as strict returns, "
               "use RNA_def_function_output instead.",
               func->identifier,
               ret->identifier);
    return;
  }
  if (ret->arraydimension) {
    CLOG_ERROR(&LOG,
               "\"%s.%s\", arrays are not allowed as strict returns, "
               "use RNA_def_function_output instead.",
               func->identifier,
               ret->identifier);
    return;
  }
 
  BLI_assert(func->c_ret == nullptr);
  func->c_ret = ret;
 
  RNA_def_function_output(func, ret);
}
 
void RNA_def_function_output(FunctionRNA * /*func*/, PropertyRNA *ret)
{
  ret->flag_parameter |= PARM_OUTPUT;
}
 
void RNA_def_function_flag(FunctionRNA *func, int flag)
{
  func->flag |= flag;
}
 
void RNA_def_function_ui_description(FunctionRNA *func, const char *description)
{
  func->description = description;
}
 
int rna_parameter_size(PropertyRNA *parm)
{
  PropertyType ptype = parm->type;
  int len = parm->totarraylength;
 
  /* XXX in other parts is mentioned that strings can be dynamic as well */
  if (parm->flag & PROP_DYNAMIC) {
    return sizeof(ParameterDynAlloc);
  }
 
  if (len > 0) {
    switch (ptype) {
      case PROP_BOOLEAN:
        return sizeof(bool) * len;
      case PROP_INT:
        return sizeof(int) * len;
      case PROP_FLOAT:
        return sizeof(float) * len;
      default:
        break;
    }
  }
  else {
    switch (ptype) {
      case PROP_BOOLEAN:
        return sizeof(bool);
      case PROP_INT:
      case PROP_ENUM:
        return sizeof(int);
      case PROP_FLOAT:
        return sizeof(float);
      case PROP_STRING:
        /* return values don't store a pointer to the original */
        if (parm->flag & PROP_THICK_WRAP) {
          StringPropertyRNA *sparm = (StringPropertyRNA *)parm;
          return sizeof(char) * sparm->maxlength;
        }
        else {
          return sizeof(char *);
        }
      case PROP_POINTER: {
#ifdef RNA_RUNTIME
        if (parm->flag_parameter & PARM_RNAPTR) {
          if (parm->flag & PROP_THICK_WRAP) {
            return sizeof(PointerRNA);
          }
          else {
            return sizeof(PointerRNA *);
          }
        }
        else {
          return sizeof(void *);
        }
#else
        if (parm->flag_parameter & PARM_RNAPTR) {
          if (parm->flag & PROP_THICK_WRAP) {
            return sizeof(PointerRNA);
          }
          return sizeof(PointerRNA *);
        }
        return sizeof(void *);
 
#endif
      }
      case PROP_COLLECTION:
        return sizeof(ListBase);
    }
  }
 
  return sizeof(void *);
}
 
int rna_parameter_size_pad(const int size)
{
  /* Pad parameters in memory so the next parameter is properly aligned.
   * This silences warnings in UBSAN. More complicated logic to pack parameters
   * more tightly in memory is unlikely to improve performance, and aligning
   * to the requirements for pointers is enough for all data types we use. */
  const int alignment = sizeof(void *);
  return (size + alignment - 1) & ~(alignment - 1);
}
 
/* Dynamic Enums */
 
void RNA_enum_item_add(EnumPropertyItem **items, int *totitem, const EnumPropertyItem *item)
{
  int tot = *totitem;
 
  if (tot == 0) {
    *items = static_cast<EnumPropertyItem *>(MEM_callocN(sizeof(EnumPropertyItem[8]), __func__));
/* Ensure we get crashes on missing calls to 'RNA_enum_item_end', see #74227. */
#ifndef NDEBUG
    memset(*items, 0xff, sizeof(EnumPropertyItem[8]));
#endif
  }
  else if (tot >= 8 && (tot & (tot - 1)) == 0) {
    /* Power of two > 8. */
    *items = static_cast<EnumPropertyItem *>(
        MEM_recallocN_id(*items, sizeof(EnumPropertyItem) * tot * 2, __func__));
#ifndef NDEBUG
    memset((*items) + tot, 0xff, sizeof(EnumPropertyItem) * tot);
#endif
  }
 
  (*items)[tot] = *item;
  *totitem = tot + 1;
}
 
void RNA_enum_item_add_separator(EnumPropertyItem **items, int *totitem)
{
  static const EnumPropertyItem sepr = RNA_ENUM_ITEM_SEPR;
  RNA_enum_item_add(items, totitem, &sepr);
}
 
void RNA_enum_items_add(EnumPropertyItem **items, int *totitem, const EnumPropertyItem *item)
{
  for (; item->identifier; item++) {
    RNA_enum_item_add(items, totitem, item);
  }
}
 
void RNA_enum_items_add_value(EnumPropertyItem **items,
                              int *totitem,
                              const EnumPropertyItem *item,
                              int value)
{
  for (; item->identifier; item++) {
    if (item->value == value) {
      RNA_enum_item_add(items, totitem, item);
      /* Break on first match - does this break anything?
       * (is quick hack to get `object->parent_type` working ok for armature/lattice). */
      break;
    }
  }
}
 
void RNA_enum_item_end(EnumPropertyItem **items, int *totitem)
{
  static const EnumPropertyItem empty = {0, nullptr, 0, nullptr, nullptr};
  RNA_enum_item_add(items, totitem, &empty);
}
 
/* Memory management */
 
#ifdef RNA_RUNTIME
void RNA_def_struct_duplicate_pointers(BlenderRNA *brna, StructRNA *srna)
{
  if (srna->identifier) {
    srna->identifier = BLI_strdup(srna->identifier);
    if (srna->flag & STRUCT_PUBLIC_NAMESPACE) {
      BLI_ghash_replace_key(brna->structs_map, (void *)srna->identifier);
    }
  }
  if (srna->name) {
    srna->name = BLI_strdup(srna->name);
  }
  if (srna->description) {
    srna->description = BLI_strdup(srna->description);
  }
 
  RNA_def_struct_flag(srna, STRUCT_FREE_POINTERS);
}
 
void RNA_def_struct_free_pointers(BlenderRNA *brna, StructRNA *srna)
{
  if (srna->flag & STRUCT_FREE_POINTERS) {
    if (srna->identifier) {
      if (srna->flag & STRUCT_PUBLIC_NAMESPACE) {
        if (brna != nullptr) {
          BLI_ghash_remove(brna->structs_map, (void *)srna->identifier, nullptr, nullptr);
        }
      }
      MEM_freeN((void *)srna->identifier);
    }
    if (srna->name) {
      MEM_freeN((void *)srna->name);
    }
    if (srna->description) {
      MEM_freeN((void *)srna->description);
    }
  }
}
 
void RNA_def_func_duplicate_pointers(FunctionRNA *func)
{
  if (func->identifier) {
    func->identifier = BLI_strdup(func->identifier);
  }
  if (func->description) {
    func->description = BLI_strdup(func->description);
  }
 
  RNA_def_function_flag(func, FUNC_FREE_POINTERS);
}
 
void RNA_def_func_free_pointers(FunctionRNA *func)
{
  if (func->flag & FUNC_FREE_POINTERS) {
    if (func->identifier) {
      MEM_freeN((void *)func->identifier);
    }
    if (func->description) {
      MEM_freeN((void *)func->description);
    }
  }
}
 
void RNA_def_property_duplicate_pointers(StructOrFunctionRNA *cont_, PropertyRNA *prop)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  int a;
 
  /* annoying since we just added this to a hash, could make this add the correct key to the hash
   * in the first place */
  if (prop->identifier) {
    if (cont->prophash) {
      prop->identifier = BLI_strdup(prop->identifier);
      BLI_ghash_reinsert(cont->prophash, (void *)prop->identifier, prop, nullptr, nullptr);
    }
    else {
      prop->identifier = BLI_strdup(prop->identifier);
    }
  }
 
  if (prop->name) {
    prop->name = BLI_strdup(prop->name);
  }
  if (prop->description) {
    prop->description = BLI_strdup(prop->description);
  }
 
  switch (prop->type) {
    case PROP_BOOLEAN: {
      BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
 
      if (bprop->defaultarray) {
        bool *array = static_cast<bool *>(
            MEM_mallocN(sizeof(bool) * prop->totarraylength, "RNA_def_property_store"));
        memcpy(array, bprop->defaultarray, sizeof(bool) * prop->totarraylength);
        bprop->defaultarray = array;
      }
      break;
    }
    case PROP_INT: {
      IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
 
      if (iprop->defaultarray) {
        int *array = static_cast<int *>(
            MEM_mallocN(sizeof(int) * prop->totarraylength, "RNA_def_property_store"));
        memcpy(array, iprop->defaultarray, sizeof(int) * prop->totarraylength);
        iprop->defaultarray = array;
      }
      break;
    }
    case PROP_ENUM: {
      EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
 
      if (eprop->item) {
        EnumPropertyItem *array = static_cast<EnumPropertyItem *>(MEM_mallocN(
            sizeof(EnumPropertyItem) * (eprop->totitem + 1), "RNA_def_property_store"));
        memcpy(array, eprop->item, sizeof(EnumPropertyItem) * (eprop->totitem + 1));
        eprop->item = array;
 
        for (a = 0; a < eprop->totitem; a++) {
          if (array[a].identifier) {
            array[a].identifier = BLI_strdup(array[a].identifier);
          }
          if (array[a].name) {
            array[a].name = BLI_strdup(array[a].name);
          }
          if (array[a].description) {
            array[a].description = BLI_strdup(array[a].description);
          }
        }
      }
      break;
    }
    case PROP_FLOAT: {
      FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
 
      if (fprop->defaultarray) {
        float *array = static_cast<float *>(
            MEM_mallocN(sizeof(float) * prop->totarraylength, "RNA_def_property_store"));
        memcpy(array, fprop->defaultarray, sizeof(float) * prop->totarraylength);
        fprop->defaultarray = array;
      }
      break;
    }
    case PROP_STRING: {
      StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
      if (sprop->defaultvalue) {
        sprop->defaultvalue = BLI_strdup(sprop->defaultvalue);
      }
      break;
    }
    default:
      break;
  }
 
  prop->flag_internal |= PROP_INTERN_FREE_POINTERS;
}
 
static void (*g_py_data_clear_fn)(PropertyRNA *prop) = nullptr;
 
void RNA_def_property_free_pointers_set_py_data_callback(
    void (*py_data_clear_fn)(PropertyRNA *prop))
{
  g_py_data_clear_fn = py_data_clear_fn;
}
 
void RNA_def_property_free_pointers(PropertyRNA *prop)
{
  if (prop->flag_internal & PROP_INTERN_FREE_POINTERS) {
    int a;
 
    if (g_py_data_clear_fn) {
      g_py_data_clear_fn(prop);
    }
 
    if (prop->identifier) {
      MEM_freeN((void *)prop->identifier);
    }
    if (prop->name) {
      MEM_freeN((void *)prop->name);
    }
    if (prop->description) {
      MEM_freeN((void *)prop->description);
    }
    if (prop->py_data) {
      MEM_freeN(prop->py_data);
    }
 
    switch (prop->type) {
      case PROP_BOOLEAN: {
        BoolPropertyRNA *bprop = (BoolPropertyRNA *)prop;
        if (bprop->defaultarray) {
          MEM_freeN((void *)bprop->defaultarray);
        }
        break;
      }
      case PROP_INT: {
        IntPropertyRNA *iprop = (IntPropertyRNA *)prop;
        if (iprop->defaultarray) {
          MEM_freeN((void *)iprop->defaultarray);
        }
        break;
      }
      case PROP_FLOAT: {
        FloatPropertyRNA *fprop = (FloatPropertyRNA *)prop;
        if (fprop->defaultarray) {
          MEM_freeN((void *)fprop->defaultarray);
        }
        break;
      }
      case PROP_ENUM: {
        EnumPropertyRNA *eprop = (EnumPropertyRNA *)prop;
 
        for (a = 0; a < eprop->totitem; a++) {
          if (eprop->item[a].identifier) {
            MEM_freeN((void *)eprop->item[a].identifier);
          }
          if (eprop->item[a].name) {
            MEM_freeN((void *)eprop->item[a].name);
          }
          if (eprop->item[a].description) {
            MEM_freeN((void *)eprop->item[a].description);
          }
        }
 
        if (eprop->item) {
          MEM_freeN((void *)eprop->item);
        }
        break;
      }
      case PROP_STRING: {
        StringPropertyRNA *sprop = (StringPropertyRNA *)prop;
        if (sprop->defaultvalue) {
          MEM_freeN((void *)sprop->defaultvalue);
        }
        break;
      }
      default:
        break;
    }
  }
}
 
static void rna_def_property_free(StructOrFunctionRNA *cont_, PropertyRNA *prop)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
 
  if (prop->flag_internal & PROP_INTERN_RUNTIME) {
    if (cont->prophash) {
      BLI_ghash_remove(cont->prophash, prop->identifier, nullptr, nullptr);
    }
 
    RNA_def_property_free_pointers(prop);
    rna_freelinkN(&cont->properties, prop);
  }
  else {
    RNA_def_property_free_pointers(prop);
  }
}
 
static PropertyRNA *rna_def_property_find_py_id(ContainerRNA *cont, const char *identifier)
{
  for (PropertyRNA *prop = static_cast<PropertyRNA *>(cont->properties.first); prop;
       prop = prop->next)
  {
    if (STREQ(prop->identifier, identifier)) {
      return prop;
    }
  }
  return nullptr;
}
 
/* NOTE: only intended for removing dynamic props. */
int RNA_def_property_free_identifier(StructOrFunctionRNA *cont_, const char *identifier)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop = rna_def_property_find_py_id(cont, identifier);
  if (prop != nullptr) {
    if (prop->flag_internal & PROP_INTERN_RUNTIME) {
      rna_def_property_free(cont, prop);
      return 1;
    }
    else {
      return -1;
    }
  }
  return 0;
}
 
int RNA_def_property_free_identifier_deferred_prepare(StructOrFunctionRNA *cont_,
                                                      const char *identifier,
                                                      void **r_handle)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop = rna_def_property_find_py_id(cont, identifier);
  if (prop != nullptr) {
    if (prop->flag_internal & PROP_INTERN_RUNTIME) {
      *r_handle = prop;
      return 1;
    }
    else {
      return -1;
    }
  }
  return 0;
}
 
void RNA_def_property_free_identifier_deferred_finish(StructOrFunctionRNA *cont_, void *handle)
{
  ContainerRNA *cont = static_cast<ContainerRNA *>(cont_);
  PropertyRNA *prop = static_cast<PropertyRNA *>(handle);
  BLI_assert(BLI_findindex(&cont->properties, prop) != -1);
  BLI_assert(prop->flag_internal & PROP_INTERN_RUNTIME);
  rna_def_property_free(cont, prop);
}
 
#endif /* RNA_RUNTIME */
 
const char *RNA_property_typename(PropertyType type)
{
  switch (type) {
    case PROP_BOOLEAN:
      return "PROP_BOOLEAN";
    case PROP_INT:
      return "PROP_INT";
    case PROP_FLOAT:
      return "PROP_FLOAT";
    case PROP_STRING:
      return "PROP_STRING";
    case PROP_ENUM:
      return "PROP_ENUM";
    case PROP_POINTER:
      return "PROP_POINTER";
    case PROP_COLLECTION:
      return "PROP_COLLECTION";
  }
 
  return "PROP_UNKNOWN";
}