Example #1
0
const char*
CFCMethod_micro_sym(CFCMethod *self) {
    return CFCSymbol_micro_sym((CFCSymbol*)self);
}
Example #2
0
static char*
S_callback_params(CFCMethod *method) {
    const char *micro_sym = CFCSymbol_micro_sym((CFCSymbol*)method);
    CFCParamList *param_list = CFCMethod_get_param_list(method);
    unsigned num_params = CFCParamList_num_vars(param_list) - 1;
    size_t needed = strlen(micro_sym) + 30;
    char *params = (char*)MALLOCATE(needed);

    // TODO: use something other than micro_sym here.
    sprintf(params, "self, \"%s\", %u", micro_sym, num_params);

    // Iterate over arguments, mapping them to various arg wrappers which
    // conform to Host's callback interface.
    CFCVariable **arg_vars = CFCParamList_get_variables(param_list);
    for (int i = 1; arg_vars[i] != NULL; i++) {
        CFCVariable *var      = arg_vars[i];
        const char  *name     = CFCVariable_micro_sym(var);
        size_t       name_len = strlen(name);
        CFCType     *type     = CFCVariable_get_type(var);
        const char  *c_type   = CFCType_to_c(type);
        size_t       size     = strlen(params)
                                + strlen(c_type)
                                + name_len * 2
                                + 30;
        char        *new_buf  = (char*)MALLOCATE(size);

        if (CFCType_is_string_type(type)) {
            sprintf(new_buf, "%s, CFISH_ARG_STR(\"%s\", %s)", params, name, name);
        }
        else if (CFCType_is_object(type)) {
            sprintf(new_buf, "%s, CFISH_ARG_OBJ(\"%s\", %s)", params, name, name);
        }
        else if (CFCType_is_integer(type)) {
            int width = CFCType_get_width(type);
            if (width) {
                if (width <= 4) {
                    sprintf(new_buf, "%s, CFISH_ARG_I32(\"%s\", %s)", params,
                            name, name);
                }
                else {
                    sprintf(new_buf, "%s, CFISH_ARG_I64(\"%s\", %s)", params,
                            name, name);
                }
            }
            else {
                sprintf(new_buf, "%s, CFISH_ARG_I(%s, \"%s\", %s)", params,
                        c_type, name, name);
            }
        }
        else if (CFCType_is_floating(type)) {
            sprintf(new_buf, "%s, CFISH_ARG_F64(\"%s\", %s)", params, name, name);
        }
        else {
            // Can't map variable type.  Signal to caller.
            FREEMEM(params);
            FREEMEM(new_buf);
            return NULL;
        }

        FREEMEM(params);
        params = new_buf;
    }

    return params;
}