// Generate C code which initializes method metadata. char* CFCPerlClass_method_metadata_code(CFCPerlClass *self) { const char *class_var = CFCClass_full_class_var(self->client); CFCMethod **fresh_methods = CFCClass_fresh_methods(self->client); char *code = CFCUtil_strdup(""); for (int i = 0; fresh_methods[i] != NULL; i++) { CFCMethod *method = fresh_methods[i]; if (!CFCMethod_novel(method)) { continue; } const char *macro_sym = CFCMethod_get_macro_sym(method); const char *alias = CFCMethod_get_host_alias(method); if (alias) { code = CFCUtil_cat(code, " CFISH_Class_Add_Host_Method_Alias(", class_var, ", \"", alias, "\", \"", macro_sym, "\");\n", NULL); } if (CFCMethod_excluded_from_host(method)) { code = CFCUtil_cat(code, " CFISH_Class_Exclude_Host_Method(", class_var, ", \"", macro_sym, "\");\n", NULL); } } return code; }
char* CFCGoClass_gen_wrap_func_reg(CFCGoClass *self) { if (CFCClass_inert(self->client)) { return CFCUtil_strdup(""); } char pattern[] = "\t\tunsafe.Pointer(C.%s): WRAP%sASOBJ,\n"; const char *short_struct = CFCClass_get_struct_sym(self->client); const char *class_var = CFCClass_full_class_var(self->client); return CFCUtil_sprintf(pattern, class_var, short_struct); }
char* CFCPyMethod_constructor_wrapper(CFCFunction *init_func, CFCClass *invoker) { CFCParamList *param_list = CFCFunction_get_param_list(init_func); const char *self_type = CFCType_to_c(CFCFunction_get_return_type(init_func)); char *func_sym = CFCFunction_full_func_sym(init_func, invoker); char *decs = S_gen_decs(param_list, 1); char *increfs = S_gen_arg_increfs(param_list, 1); char *decrefs = S_gen_decrefs(param_list, 1); const char *class_var = CFCClass_full_class_var(invoker); const char *struct_sym = CFCClass_full_struct_sym(invoker); char *error = NULL; char *arg_parsing = S_gen_arg_parsing(param_list, 1, &error); if (error) { CFCUtil_die("%s in constructor for %s", error, CFCClass_get_name(invoker)); } if (!arg_parsing) { CFCUtil_die("Unexpected arg parsing error for %s", CFCClass_get_name(invoker)); } char *first_arg = CFCUtil_sprintf("(%s)CFISH_Class_Make_Obj(%s)", self_type, class_var); char *arg_list = S_gen_arg_list(param_list, first_arg); char pattern[] = "static PyObject*\n" "S_%s_PY_NEW(PyTypeObject *type, PyObject *args, PyObject *kwargs) {\n" "%s" // decs "%s" // arg_parsing "%s" // increfs " %s self = NULL;\n" " CFBIND_TRY(self = %s(%s));\n" "%s" // decrefs " if (CFBind_migrate_cferr()) {\n" " return NULL;\n" " }\n" " return (PyObject*)self;\n" "}\n" ; char *wrapper = CFCUtil_sprintf(pattern, struct_sym, decs, arg_parsing, increfs, self_type, func_sym, arg_list, decrefs); FREEMEM(arg_list); FREEMEM(first_arg); FREEMEM(func_sym); FREEMEM(decrefs); FREEMEM(increfs); FREEMEM(decs); FREEMEM(arg_parsing); return wrapper; }
static char* S_gen_type_linkups(CFCPython *self, CFCParcel *parcel, CFCClass **ordered) { char *handles = CFCUtil_strdup(""); char *py_types = CFCUtil_strdup(""); int num_items = 0; for (size_t i = 0; ordered[i] != NULL; i++) { CFCClass *klass = ordered[i]; if (CFCClass_included(klass) || CFCClass_inert(klass)) { continue; } const char *class_var = CFCClass_full_class_var(klass); const char *struct_sym = CFCClass_get_struct_sym(klass); char *handles_temp = CFCUtil_sprintf("%s handles[%d] = &%s;\n", handles, num_items, class_var); char *py_types_temp = CFCUtil_sprintf("%s py_types[%d] = &%s_pytype_struct;\n", py_types, num_items, struct_sym); FREEMEM(handles); FREEMEM(py_types); handles = handles_temp; py_types = py_types_temp; num_items++; } char pattern[] = "static void\n" "S_link_py_types(void) {\n" " const int num_items = %d;\n" " size_t handles_size = num_items * sizeof(cfish_Class**);\n" " size_t py_types_size = num_items * sizeof(PyTypeObject*);\n" " cfish_Class ***handles = (cfish_Class***)CFISH_MALLOCATE(handles_size);\n" " PyTypeObject **py_types = (PyTypeObject**)CFISH_MALLOCATE(py_types_size);\n" "%s\n" "%s\n" " CFBind_assoc_py_types(handles, py_types, num_items);\n" " CFISH_FREEMEM(handles);\n" " CFISH_FREEMEM(py_types);\n" "}\n" ; char *content = CFCUtil_sprintf(pattern, num_items, handles, py_types); FREEMEM(handles); FREEMEM(py_types); return content; }
static char* S_gen_meth_invocation(CFCMethod *method, CFCClass *invoker) { CFCParamList *param_list = CFCMethod_get_param_list(method); char *full_meth = CFCMethod_full_method_sym(method, invoker); char *meth_type_c = CFCMethod_full_typedef(method, invoker); const char *class_var = CFCClass_full_class_var(invoker); char *first_arg = CFCUtil_sprintf("(%s*)self", CFCClass_full_struct_sym(invoker)); char *arg_list = S_gen_arg_list(param_list, first_arg); CFCType *return_type = CFCMethod_get_return_type(method); char *maybe_declare; const char *maybe_assign; if (CFCType_is_void(return_type)) { maybe_declare = CFCUtil_strdup(""); maybe_assign = ""; } else { maybe_declare = CFCUtil_sprintf(" %s retvalCF;\n", CFCType_to_c(return_type)); maybe_assign = "retvalCF = "; } const char pattern[] = "%s" " %s method = CFISH_METHOD_PTR(%s, %s);\n" " CFBIND_TRY(%smethod(%s));\n" ; char *content = CFCUtil_sprintf(pattern, maybe_declare, meth_type_c, class_var, full_meth, maybe_assign, arg_list); FREEMEM(arg_list); FREEMEM(first_arg); FREEMEM(maybe_declare); FREEMEM(full_meth); FREEMEM(meth_type_c); return content; }
/* Write the "parcel.h" header file, which contains common symbols needed by * all classes, plus typedefs for all class structs. */ static void S_write_parcel_h(CFCBindCore *self, CFCParcel *parcel) { CFCHierarchy *hierarchy = self->hierarchy; const char *prefix = CFCParcel_get_prefix(parcel); const char *PREFIX = CFCParcel_get_PREFIX(parcel); const char *privacy_sym = CFCParcel_get_privacy_sym(parcel); // Declare object structs and class singletons for all instantiable // classes. char *typedefs = CFCUtil_strdup(""); char *class_decls = CFCUtil_strdup(""); CFCClass **ordered = CFCHierarchy_ordered_classes(hierarchy); for (int i = 0; ordered[i] != NULL; i++) { CFCClass *klass = ordered[i]; const char *class_prefix = CFCClass_get_prefix(klass); if (strcmp(class_prefix, prefix) != 0) { continue; } if (!CFCClass_inert(klass)) { const char *full_struct = CFCClass_full_struct_sym(klass); typedefs = CFCUtil_cat(typedefs, "typedef struct ", full_struct, " ", full_struct, ";\n", NULL); const char *class_var = CFCClass_full_class_var(klass); class_decls = CFCUtil_cat(class_decls, "extern ", PREFIX, "VISIBLE cfish_Class *", class_var, ";\n", NULL); } } FREEMEM(ordered); // Special includes and macros for Clownfish parcel. const char *cfish_includes = "#include <stdarg.h>\n" "#include <stddef.h>\n" "\n" "#include \"cfish_platform.h\"\n" "#include \"cfish_hostdefs.h\"\n"; // Special definitions for Clownfish parcel. const char *cfish_defs_1 = "#define CFISH_UNUSED_VAR(var) ((void)var)\n" "#define CFISH_UNREACHABLE_RETURN(type) return (type)0\n" "\n" "/* Generic method pointer.\n" " */\n" "typedef void\n" "(*cfish_method_t)(const void *vself);\n" "\n" "/* Access the function pointer for a given method from the class.\n" " */\n" "#define CFISH_METHOD_PTR(_class, _full_meth) \\\n" " ((_full_meth ## _t)cfish_method(_class, _full_meth ## _OFFSET))\n" "\n" "static CFISH_INLINE cfish_method_t\n" "cfish_method(const void *klass, uint32_t offset) {\n" " union { char *cptr; cfish_method_t *fptr; } ptr;\n" " ptr.cptr = (char*)klass + offset;\n" " return ptr.fptr[0];\n" "}\n" "\n" "typedef struct cfish_Dummy {\n" " CFISH_OBJ_HEAD\n" " void *klass;\n" "} cfish_Dummy;\n" "\n" "/* Access the function pointer for a given method from the object.\n" " */\n" "static CFISH_INLINE cfish_method_t\n" "cfish_obj_method(const void *object, uint32_t offset) {\n" " cfish_Dummy *dummy = (cfish_Dummy*)object;\n" " return cfish_method(dummy->klass, offset);\n" "}\n" "\n" "/* Access the function pointer for the given method in the\n" " * superclass. */\n" "#define CFISH_SUPER_METHOD_PTR(_class, _full_meth) \\\n" " ((_full_meth ## _t)cfish_super_method(_class, \\\n" " _full_meth ## _OFFSET))\n" "\n" "extern CFISH_VISIBLE uint32_t cfish_Class_offset_of_parent;\n" "static CFISH_INLINE cfish_method_t\n" "cfish_super_method(const void *klass, uint32_t offset) {\n" " char *class_as_char = (char*)klass;\n" " cfish_Class **parent_ptr\n" " = (cfish_Class**)(class_as_char + cfish_Class_offset_of_parent);\n" " return cfish_method(*parent_ptr, offset);\n" "}\n" "\n" "typedef void\n" "(*cfish_destroy_t)(void *vself);\n" "extern CFISH_VISIBLE uint32_t CFISH_Obj_Destroy_OFFSET;\n" "\n" "/** Invoke the [](.Destroy) method found in `klass` on\n" " * `self`.\n" " *\n" " * TODO: Eliminate this function if we can arrive at a proper SUPER syntax.\n" " */\n" "static CFISH_INLINE void\n" "cfish_super_destroy(void *vself, cfish_Class *klass) {\n" " cfish_Obj *self = (cfish_Obj*)vself;\n" " if (self != NULL) {\n" " cfish_destroy_t super_destroy\n" " = (cfish_destroy_t)cfish_super_method(klass, CFISH_Obj_Destroy_OFFSET);\n" " super_destroy(self);\n" " }\n" "}\n" "\n" "#define CFISH_SUPER_DESTROY(_self, _class) \\\n" " cfish_super_destroy(_self, _class)\n" "\n" "extern CFISH_VISIBLE cfish_Obj*\n" "cfish_inc_refcount(void *vself);\n" "\n" "/** NULL-safe invocation invocation of `cfish_inc_refcount`.\n" " *\n" " * @return NULL if `self` is NULL, otherwise the return value\n" " * of `cfish_inc_refcount`.\n" " */\n" "static CFISH_INLINE cfish_Obj*\n" "cfish_incref(void *vself) {\n" " if (vself != NULL) { return cfish_inc_refcount(vself); }\n" " else { return NULL; }\n" "}\n" "\n" "#define CFISH_INCREF(_self) cfish_incref(_self)\n" "#define CFISH_INCREF_NN(_self) cfish_inc_refcount(_self)\n" "\n" "extern CFISH_VISIBLE uint32_t\n" "cfish_dec_refcount(void *vself);\n" "\n" "/** NULL-safe invocation of `cfish_dec_refcount`.\n" " *\n" " * @return NULL if `self` is NULL, otherwise the return value\n" " * of `cfish_dec_refcount`.\n" " */\n" "static CFISH_INLINE uint32_t\n" "cfish_decref(void *vself) {\n" " if (vself != NULL) { return cfish_dec_refcount(vself); }\n" " else { return 0; }\n" "}\n" "\n" "#define CFISH_DECREF(_self) cfish_decref(_self)\n" "#define CFISH_DECREF_NN(_self) cfish_dec_refcount(_self)\n" "\n" "extern CFISH_VISIBLE uint32_t\n" "cfish_get_refcount(void *vself);\n" "\n" "#define CFISH_REFCOUNT_NN(_self) \\\n" " cfish_get_refcount(_self)\n" "\n" "/* Flags for internal use. */\n" "#define CFISH_fREFCOUNTSPECIAL 0x00000001\n" "#define CFISH_fFINAL 0x00000002\n" ; const char *cfish_defs_2 = "#ifdef CFISH_USE_SHORT_NAMES\n" " #define UNUSED_VAR CFISH_UNUSED_VAR\n" " #define UNREACHABLE_RETURN CFISH_UNREACHABLE_RETURN\n" " #define METHOD_PTR CFISH_METHOD_PTR\n" " #define SUPER_METHOD_PTR CFISH_SUPER_METHOD_PTR\n" " #define SUPER_DESTROY(_self, _class) CFISH_SUPER_DESTROY(_self, _class)\n" " #define INCREF(_self) CFISH_INCREF(_self)\n" " #define INCREF_NN(_self) CFISH_INCREF_NN(_self)\n" " #define DECREF(_self) CFISH_DECREF(_self)\n" " #define DECREF_NN(_self) CFISH_DECREF_NN(_self)\n" " #define REFCOUNT_NN(_self) CFISH_REFCOUNT_NN(_self)\n" "#endif\n" "\n"; char *extra_defs; char *extra_includes; if (CFCParcel_is_cfish(parcel)) { const char *spec_typedefs = CFCBindSpecs_get_typedefs(); extra_defs = CFCUtil_sprintf("%s%s%s", cfish_defs_1, spec_typedefs, cfish_defs_2); extra_includes = CFCUtil_strdup(cfish_includes); } else { extra_defs = CFCUtil_strdup(""); extra_includes = CFCUtil_strdup(""); // Include parcel.h of prerequisite parcels. CFCParcel **prereq_parcels = CFCParcel_prereq_parcels(parcel); for (size_t i = 0; prereq_parcels[i]; ++i) { const char *prereq_prefix = CFCParcel_get_prefix(prereq_parcels[i]); extra_includes = CFCUtil_cat(extra_includes, "#include \"", prereq_prefix, "parcel.h\"\n", NULL); } FREEMEM(prereq_parcels); } const char pattern[] = "%s\n" "#ifndef CFISH_%sPARCEL_H\n" "#define CFISH_%sPARCEL_H 1\n" "\n" "#ifdef __cplusplus\n" "extern \"C\" {\n" "#endif\n" "\n" "%s" // Extra includes. "\n" "#ifdef %s\n" " #define %sVISIBLE CFISH_EXPORT\n" "#else\n" " #define %sVISIBLE CFISH_IMPORT\n" "#endif\n" "\n" "%s" // Typedefs. "\n" "%s" // Class singletons. "\n" "%s" // Extra definitions. "%sVISIBLE void\n" "%sbootstrap_inheritance();\n" "\n" "%sVISIBLE void\n" "%sbootstrap_parcel();\n" "\n" "void\n" "%sinit_parcel();\n" "\n" "#ifdef __cplusplus\n" "}\n" "#endif\n" "\n" "#endif /* CFISH_%sPARCEL_H */\n" "\n" "%s\n" "\n"; char *file_content = CFCUtil_sprintf(pattern, self->c_header, PREFIX, PREFIX, extra_includes, privacy_sym, PREFIX, PREFIX, typedefs, class_decls, extra_defs, PREFIX, prefix, PREFIX, prefix, prefix, PREFIX, self->c_footer); // Unlink then write file. const char *inc_dest = CFCHierarchy_get_include_dest(hierarchy); char *filepath = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sparcel.h", inc_dest, prefix); remove(filepath); CFCUtil_write_file(filepath, file_content, strlen(file_content)); FREEMEM(filepath); FREEMEM(typedefs); FREEMEM(class_decls); FREEMEM(extra_defs); FREEMEM(extra_includes); FREEMEM(file_content); }
static void S_write_host_c(CFCPerl *self, CFCParcel *parcel) { CFCClass **ordered = CFCHierarchy_ordered_classes(self->hierarchy); const char *prefix = CFCParcel_get_prefix(parcel); const char *privacy_sym = CFCParcel_get_privacy_sym(parcel); char *includes = CFCUtil_strdup(""); char *cb_defs = CFCUtil_strdup(""); char *alias_adds = CFCUtil_strdup(""); for (size_t i = 0; ordered[i] != NULL; i++) { CFCClass *klass = ordered[i]; if (CFCClass_inert(klass)) { continue; } const char *class_prefix = CFCClass_get_prefix(klass); if (strcmp(class_prefix, prefix) != 0) { continue; } const char *class_name = CFCClass_get_name(klass); const char *include_h = CFCClass_include_h(klass); includes = CFCUtil_cat(includes, "#include \"", include_h, "\"\n", NULL); // Callbacks. CFCMethod **fresh_methods = CFCClass_fresh_methods(klass); for (int meth_num = 0; fresh_methods[meth_num] != NULL; meth_num++) { CFCMethod *method = fresh_methods[meth_num]; // Define callback. if (CFCMethod_novel(method) && !CFCMethod_final(method)) { char *cb_def = CFCPerlMethod_callback_def(method, klass); cb_defs = CFCUtil_cat(cb_defs, cb_def, "\n", NULL); FREEMEM(cb_def); } } // Add class aliases. CFCPerlClass *class_binding = CFCPerlClass_singleton(class_name); if (class_binding) { const char *class_var = CFCClass_full_class_var(klass); const char **aliases = CFCPerlClass_get_class_aliases(class_binding); for (size_t j = 0; aliases[j] != NULL; j++) { const char *alias = aliases[j]; int alias_len = (int)strlen(alias); const char pattern[] = " cfish_Class_add_alias_to_registry(" "%s, \"%s\", %d);\n"; char *alias_add = CFCUtil_sprintf(pattern, class_var, alias, alias_len); alias_adds = CFCUtil_cat(alias_adds, alias_add, NULL); FREEMEM(alias_add); } char *metadata_code = CFCPerlClass_method_metadata_code(class_binding); alias_adds = CFCUtil_cat(alias_adds, metadata_code, NULL); FREEMEM(metadata_code); } } const char pattern[] = "%s" "\n" "#define %s\n" // privacy_sym "\n" "#include \"%sperl.h\"\n" "#include \"XSBind.h\"\n" "#include \"Clownfish/Class.h\"\n" "#include \"Clownfish/Err.h\"\n" "#include \"Clownfish/Obj.h\"\n" "%s" "\n" "/* Avoid conflicts with Clownfish bool type. */\n" "#define HAS_BOOL\n" "#define PERL_NO_GET_CONTEXT\n" "#include \"EXTERN.h\"\n" "#include \"perl.h\"\n" "#include \"XSUB.h\"\n" "\n" "static void\n" "S_finish_callback_void(pTHX_ const char *meth_name) {\n" " int count = call_method(meth_name, G_VOID | G_DISCARD);\n" " if (count != 0) {\n" " CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n" " meth_name, (int32_t)count);\n" " }\n" " FREETMPS;\n" " LEAVE;\n" "}\n" "\n" "static CFISH_INLINE SV*\n" "SI_do_callback_sv(pTHX_ const char *meth_name) {\n" " int count = call_method(meth_name, G_SCALAR);\n" " if (count != 1) {\n" " CFISH_THROW(CFISH_ERR, \"Bad callback to '%%s': %%i32\",\n" " meth_name, (int32_t)count);\n" " }\n" " dSP;\n" " SV *return_sv = POPs;\n" " PUTBACK;\n" " return return_sv;\n" "}\n" "\n" "static int64_t\n" "S_finish_callback_i64(pTHX_ const char *meth_name) {\n" " SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n" " int64_t retval;\n" " if (sizeof(IV) == 8) {\n" " retval = (int64_t)SvIV(return_sv);\n" " }\n" " else {\n" " if (SvIOK(return_sv)) {\n" " // It's already no more than 32 bits, so don't convert.\n" " retval = SvIV(return_sv);\n" " }\n" " else {\n" " // Maybe lossy.\n" " double temp = SvNV(return_sv);\n" " retval = (int64_t)temp;\n" " }\n" " }\n" " FREETMPS;\n" " LEAVE;\n" " return retval;\n" "}\n" "\n" "static double\n" "S_finish_callback_f64(pTHX_ const char *meth_name) {\n" " SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n" " double retval = SvNV(return_sv);\n" " FREETMPS;\n" " LEAVE;\n" " return retval;\n" "}\n" "\n" "static cfish_Obj*\n" "S_finish_callback_obj(pTHX_ void *vself, const char *meth_name,\n" " int nullable) {\n" " SV *return_sv = SI_do_callback_sv(aTHX_ meth_name);\n" " cfish_Obj *retval\n" " = XSBind_perl_to_cfish_nullable(aTHX_ return_sv, CFISH_OBJ);\n" " FREETMPS;\n" " LEAVE;\n" " if (!nullable && !retval) {\n" " CFISH_THROW(CFISH_ERR, \"%%o#%%s cannot return NULL\",\n" " cfish_Obj_get_class_name((cfish_Obj*)vself),\n" " meth_name);\n" " }\n" " return retval;\n" "}\n" "\n" "%s" "\n" "void\n" "%sbootstrap_perl() {\n" " dTHX;\n" " %sbootstrap_parcel();\n" "\n" "%s" "}\n" "\n" "%s"; char *content = CFCUtil_sprintf(pattern, self->c_header, privacy_sym, prefix, includes, cb_defs, prefix, prefix, alias_adds, self->c_footer); const char *src_dest = CFCHierarchy_get_source_dest(self->hierarchy); char *host_c_path = CFCUtil_sprintf("%s" CHY_DIR_SEP "%sperl.c", src_dest, prefix); CFCUtil_write_file(host_c_path, content, strlen(content)); FREEMEM(host_c_path); FREEMEM(content); FREEMEM(alias_adds); FREEMEM(cb_defs); FREEMEM(includes); FREEMEM(ordered); }
void CFCBindSpecs_add_class(CFCBindSpecs *self, CFCClass *klass) { if (CFCClass_inert(klass)) { return; } const char *class_name = CFCClass_get_name(klass); const char *class_var = CFCClass_full_class_var(klass); const char *ivars_offset_name = CFCClass_full_ivars_offset(klass); const char *flags = CFCClass_final(klass) ? "cfish_ClassSpec_FINAL" : "0"; char *ivars_size = S_ivars_size(klass); char *parent_ptr = NULL; CFCClass *parent = CFCClass_get_parent(klass); if (!parent) { parent_ptr = CFCUtil_strdup("NULL"); } else { if (CFCClass_in_same_parcel(klass, parent)) { parent_ptr = CFCUtil_sprintf("&%s", CFCClass_full_class_var(parent)); } else { parent_ptr = CFCUtil_strdup("NULL"); const char *class_name = CFCClass_get_name(klass); const char *parent_var = CFCClass_full_class_var(parent); const char *pattern = " /* %s */\n" " class_specs[%d].parent = &%s;\n"; char *init_code = CFCUtil_sprintf(pattern, class_name, self->num_specs, parent_var); self->init_code = CFCUtil_cat(self->init_code, init_code, NULL); FREEMEM(init_code); } } int num_new_novel = 0; int num_new_overridden = 0; int num_new_inherited = 0; CFCMethod **methods = CFCClass_methods(klass); for (int meth_num = 0; methods[meth_num] != NULL; meth_num++) { CFCMethod *method = methods[meth_num]; if (CFCMethod_is_fresh(method, klass)) { if (CFCMethod_novel(method)) { int meth_index = self->num_novel + num_new_novel; S_add_novel_meth(self, method, klass, meth_index); ++num_new_novel; } else { int meth_index = self->num_overridden + num_new_overridden; S_add_overridden_meth(self, method, klass, meth_index); ++num_new_overridden; } } else { int meth_index = self->num_inherited + num_new_inherited; S_add_inherited_meth(self, method, klass, meth_index); ++num_new_inherited; } } char pattern[] = " {\n" " &%s, /* class */\n" " %s, /* parent */\n" " \"%s\", /* name */\n" " %s, /* ivars_size */\n" " &%s, /* ivars_offset_ptr */\n" " %d, /* num_novel */\n" " %d, /* num_overridden */\n" " %d, /* num_inherited */\n" " %s /* flags */\n" " }"; char *class_spec = CFCUtil_sprintf(pattern, class_var, parent_ptr, class_name, ivars_size, ivars_offset_name, num_new_novel, num_new_overridden, num_new_inherited, flags); const char *sep = self->num_specs == 0 ? "" : ",\n"; self->class_specs = CFCUtil_cat(self->class_specs, sep, class_spec, NULL); self->num_novel += num_new_novel; self->num_overridden += num_new_overridden; self->num_inherited += num_new_inherited; self->num_specs += 1; FREEMEM(class_spec); FREEMEM(parent_ptr); FREEMEM(ivars_size); }