char*
CFCBindMeth_abstract_method_def(CFCMethod *method) {
CFCParamList *param_list = CFCMethod_get_param_list(method);
const char *params = CFCParamList_to_c(param_list);
const char *full_func_sym = CFCMethod_imp_func(method);
const char *vtable_var
= CFCType_get_vtable_var(CFCMethod_self_type(method));
CFCType *return_type = CFCMethod_get_return_type(method);
const char *ret_type_str = CFCType_to_c(return_type);
const char *macro_sym = CFCMethod_get_macro_sym(method);
// Thwart compiler warnings.
CFCVariable **param_vars = CFCParamList_get_variables(param_list);
char *unused = S_build_unused_vars(param_vars + 1);
char *return_statement = S_maybe_unreachable(return_type);
char pattern[] =
"%s\n"
"%s(%s) {\n"
" cfish_String *klass = self ? CFISH_Obj_Get_Class_Name((cfish_Obj*)self) : %s->name;%s\n"
" CFISH_THROW(CFISH_ERR, \"Abstract method '%s' not defined by %%o\", klass);%s\n"
"}\n";
char *abstract_def
= CFCUtil_sprintf(pattern, ret_type_str, full_func_sym, params,
vtable_var, unused, macro_sym, return_statement);
FREEMEM(unused);
FREEMEM(return_statement);
return abstract_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;
}
