static void
S_add_novel_meth(CFCBindSpecs *self, CFCMethod *method, CFCClass *klass,
int meth_index) {
const char *meth_name = CFCMethod_get_name(method);
const char *sep = meth_index == 0 ? "" : ",\n";
char *full_override_sym;
if (!CFCMethod_final(method) && !CFCMethod_excluded_from_host(method)) {
full_override_sym = CFCMethod_full_override_sym(method, klass);
}
else {
full_override_sym = CFCUtil_strdup("NULL");
}
char *imp_func = CFCMethod_imp_func(method, klass);
char *full_offset_sym = CFCMethod_full_offset_sym(method, klass);
char pattern[] =
" {\n"
" &%s, /* offset */\n"
" \"%s\", /* name */\n"
" (cfish_method_t)%s, /* func */\n"
" (cfish_method_t)%s /* callback_func */\n"
" }";
char *def
= CFCUtil_sprintf(pattern, full_offset_sym, meth_name, imp_func,
full_override_sym);
self->novel_specs = CFCUtil_cat(self->novel_specs, sep, def, NULL);
FREEMEM(def);
FREEMEM(full_offset_sym);
FREEMEM(imp_func);
FREEMEM(full_override_sym);
}
char*
CFCBindMeth_novel_spec_def(CFCMethod *method) {
const char *macro_sym = CFCMethod_get_macro_sym(method);
const char *imp_func = CFCMethod_imp_func(method);
const char *full_override_sym = "NULL";
if (!CFCMethod_final(method)) {
full_override_sym = CFCMethod_full_override_sym(method);
}
char *full_offset_sym = CFCMethod_full_offset_sym(method, NULL);
char pattern[] =
" {\n"
" &%s, /* offset */\n"
" \"%s\", /* name */\n"
" (cfish_method_t)%s, /* func */\n"
" (cfish_method_t)%s /* callback_func */\n"
" }";
char *def
= CFCUtil_sprintf(pattern, full_offset_sym, macro_sym, imp_func,
full_override_sym);
FREEMEM(full_offset_sym);
return def;
}
static char*
S_primitive_callback_def(CFCMethod *method, const char *callback_start,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *micro_sym = CFCMethod_micro_sym(method);
char callback_func[50];
if (CFCType_is_integer(return_type)) {
strcpy(callback_func, "S_finish_callback_i64");
}
else if (CFCType_is_floating(return_type)) {
strcpy(callback_func, "S_finish_callback_f64");
}
else {
CFCUtil_die("Unexpected type: %s", ret_type_str);
}
char pattern[] =
"%s\n"
"%s(%s) {\n"
"%s"
" %s retval = (%s)%s(\"%s\");%s\n"
" return retval;\n"
"}\n";
char *callback_def
= CFCUtil_sprintf(pattern, ret_type_str, override_sym, params,
callback_start, ret_type_str, ret_type_str,
callback_func, micro_sym, refcount_mods);
return callback_def;
}
static char*
S_invalid_callback_def(CFCMethod *method) {
char *full_method_sym = CFCMethod_full_method_sym(method, NULL);
const char *override_sym = CFCMethod_full_override_sym(method);
CFCParamList *param_list = CFCMethod_get_param_list(method);
const char *params = CFCParamList_to_c(param_list);
CFCVariable **param_vars = CFCParamList_get_variables(param_list);
// Thwart compiler warnings.
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
char *unused = S_build_unused_vars(param_vars);
char *unreachable = S_maybe_unreachable(return_type);
char pattern[] =
"%s\n"
"%s(%s) {%s\n"
" CFISH_THROW(CFISH_ERR, \"Can't override %s via binding\");%s\n"
"}\n";
char *callback_def
= CFCUtil_sprintf(pattern, ret_type_str, override_sym, params, unused,
full_method_sym, unreachable);
FREEMEM(full_method_sym);
FREEMEM(unreachable);
FREEMEM(unused);
return callback_def;
}
char*
CFCPyMethod_callback_def(CFCMethod *method, CFCClass *invoker) {
CFCParamList *param_list = CFCMethod_get_param_list(method);
CFCVariable **vars = CFCParamList_get_variables(param_list);
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *params = CFCParamList_to_c(param_list);
char *override_sym = CFCMethod_full_override_sym(method, invoker);
char *content;
if (CFCMethod_can_be_bound(method)) {
char *py_args = S_build_py_args(param_list);
char *invocation = S_build_pymeth_invocation(method);
char *refcount_mods = S_callback_refcount_mods(param_list);
const char *maybe_return = CFCType_is_void(return_type)
? ""
: " return cfcb_RESULT;\n";
const char pattern[] =
"%s\n"
"%s(%s) {\n"
"%s\n"
"%s\n"
"%s"
"%s"
"}\n";
content = CFCUtil_sprintf(pattern, ret_type_str, override_sym, params,
py_args, invocation, refcount_mods,
maybe_return);
}
else {
char *unused = S_build_unused_vars(vars);
char *unreachable = S_maybe_unreachable(return_type);
char *meth_sym = CFCMethod_full_method_sym(method, invoker);
const char pattern[] =
"%s\n"
"%s(%s) {%s\n"
" CFISH_THROW(CFISH_ERR, \"Can't override %s via binding\");%s\n"
"}\n";
content = CFCUtil_sprintf(pattern, ret_type_str, override_sym,
params, unused, meth_sym, unreachable);
FREEMEM(meth_sym);
FREEMEM(unused);
FREEMEM(unreachable);
}
FREEMEM(override_sym);
return content;
}
char*
CFCBindMeth_callback_dec(CFCMethod *method) {
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
char pattern[] =
"%s\n"
"%s(%s);\n";
char *callback_dec
= CFCUtil_sprintf(pattern, ret_type_str, override_sym, params);
return callback_dec;
}
static char*
S_obj_callback_def(CFCMethod *method, const char *callback_params,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *cb_func_name = CFCType_is_string_type(return_type)
? "cfish_Host_callback_str"
: "cfish_Host_callback_obj";
char *nullable_check = CFCUtil_strdup("");
if (!CFCType_nullable(return_type)) {
const char *macro_sym = CFCMethod_get_macro_sym(method);
char pattern[] =
"\n if (!retval) { CFISH_THROW(CFISH_ERR, "
"\"%s() for class '%%o' cannot return NULL\", "
"Cfish_Obj_Get_Class_Name((cfish_Obj*)self)); }";
size_t size = sizeof(pattern) + strlen(macro_sym) + 30;
nullable_check = (char*)REALLOCATE(nullable_check, size);
sprintf(nullable_check, pattern, macro_sym);
}
char pattern[] =
"%s\n"
"%s(%s) {\n"
" %s retval = (%s)%s(%s);%s%s\n"
" return retval;\n"
"}\n";
size_t size = sizeof(pattern)
+ strlen(ret_type_str)
+ strlen(override_sym)
+ strlen(params)
+ strlen(ret_type_str)
+ strlen(ret_type_str)
+ strlen(cb_func_name)
+ strlen(callback_params)
+ strlen(nullable_check)
+ strlen(refcount_mods)
+ 30;
char *callback_def = (char*)MALLOCATE(size);
sprintf(callback_def, pattern, ret_type_str, override_sym, params,
ret_type_str, ret_type_str, cb_func_name, callback_params,
nullable_check, refcount_mods);
FREEMEM(nullable_check);
return callback_def;
}
static char*
S_void_callback_def(CFCMethod *method, const char *callback_start,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
const char *micro_sym = CFCMethod_micro_sym(method);
const char pattern[] =
"void\n"
"%s(%s) {\n"
"%s"
" S_finish_callback_void(\"%s\");%s\n"
"}\n";
char *callback_def
= CFCUtil_sprintf(pattern, override_sym, params, callback_start,
micro_sym, refcount_mods);
return callback_def;
}
static char*
S_callback_decs(CFCClass *klass) {
CFCMethod **fresh_methods = CFCClass_fresh_methods(klass);
char *cb_decs = CFCUtil_strdup("");
for (int meth_num = 0; fresh_methods[meth_num] != NULL; meth_num++) {
CFCMethod *method = fresh_methods[meth_num];
// Define callback to NULL.
if (CFCMethod_novel(method) && !CFCMethod_final(method)) {
const char *override_sym = CFCMethod_full_override_sym(method);
cb_decs = CFCUtil_cat(cb_decs, "#define ", override_sym, " NULL\n",
NULL);
}
}
return cb_decs;
}
static char*
S_primitive_callback_def(CFCMethod *method, const char *callback_params,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
char cb_func_name[40];
if (CFCType_is_floating(return_type)) {
strcpy(cb_func_name, "cfish_Host_callback_f64");
}
else if (CFCType_is_integer(return_type)) {
strcpy(cb_func_name, "cfish_Host_callback_i64");
}
else if (strcmp(ret_type_str, "void*") == 0) {
strcpy(cb_func_name, "cfish_Host_callback_host");
}
else {
CFCUtil_die("unrecognized type: %s", ret_type_str);
}
char pattern[] =
"%s\n"
"%s(%s) {\n"
" return (%s)%s(%s);%s\n"
"}\n";
size_t size = sizeof(pattern)
+ strlen(ret_type_str)
+ strlen(override_sym)
+ strlen(params)
+ strlen(ret_type_str)
+ strlen(cb_func_name)
+ strlen(callback_params)
+ strlen(refcount_mods)
+ 20;
char *callback_def = (char*)MALLOCATE(size);
sprintf(callback_def, pattern, ret_type_str, override_sym, params,
ret_type_str, cb_func_name, callback_params, refcount_mods);
return callback_def;
}
static char*
S_void_callback_def(CFCMethod *method, const char *callback_params,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
const char pattern[] =
"void\n"
"%s(%s) {\n"
" cfish_Host_callback(%s);%s\n"
"}\n";
size_t size = sizeof(pattern)
+ strlen(override_sym)
+ strlen(params)
+ strlen(callback_params)
+ strlen(refcount_mods)
+ 200;
char *callback_def = (char*)MALLOCATE(size);
sprintf(callback_def, pattern, override_sym, params, callback_params,
refcount_mods);
return callback_def;
}
char*
CFCBindMeth_spec_def(CFCMethod *method) {
const char *macro_sym = CFCMethod_get_macro_sym(method);
const char *impl_sym = CFCMethod_implementing_func_sym(method);
int is_novel = CFCMethod_novel(method);
const char *full_override_sym = "NULL";
if ((CFCMethod_public(method) || CFCMethod_abstract(method)) && is_novel) {
full_override_sym = CFCMethod_full_override_sym(method);
}
size_t offset_sym_size = CFCMethod_full_offset_sym(method, NULL, NULL, 0);
char *full_offset_sym = (char*)MALLOCATE(offset_sym_size);
CFCMethod_full_offset_sym(method, NULL, full_offset_sym, offset_sym_size);
char pattern[] =
" {\n"
" %d, /* is_novel */\n"
" \"%s\", /* name */\n"
" (cfish_method_t)%s, /* func */\n"
" (cfish_method_t)%s, /* callback_func */\n"
" &%s /* offset */\n"
" }";
size_t size = sizeof(pattern)
+ 10 /* for is_novel */
+ strlen(macro_sym)
+ strlen(impl_sym)
+ strlen(full_override_sym)
+ strlen(full_offset_sym)
+ 30;
char *def = (char*)MALLOCATE(size);
sprintf(def, pattern, is_novel, macro_sym, impl_sym, full_override_sym,
full_offset_sym);
FREEMEM(full_offset_sym);
return def;
}
static char*
S_obj_callback_def(CFCMethod *method, const char *callback_start,
const char *refcount_mods) {
const char *override_sym = CFCMethod_full_override_sym(method);
const char *params = CFCParamList_to_c(CFCMethod_get_param_list(method));
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *micro_sym = CFCMethod_micro_sym(method);
const char *nullable = CFCType_nullable(return_type) ? "true" : "false";
char pattern[] =
"%s\n"
"%s(%s) {\n"
"%s"
" %s retval = (%s)S_finish_callback_obj(self, \"%s\", %s);%s\n"
" return retval;\n"
"}\n";
char *callback_def
= CFCUtil_sprintf(pattern, ret_type_str, override_sym, params,
callback_start, ret_type_str, ret_type_str,
micro_sym, nullable, refcount_mods);
return callback_def;
}
