diff options
Diffstat (limited to 'foreign.c')
| -rw-r--r-- | foreign.c | 34 |
1 files changed, 19 insertions, 15 deletions
@@ -223,29 +223,34 @@ static bool arg_list_add(av_alist *arg_list, Value *val, Type *type, Location wh } static bool foreign_call(FnExpr *fn, Type *fn_type, Value *args, Location call_where, Value *ret) { - assert(fn->flags & FN_EXPR_FOREIGN); - const char *lib = fn->foreign.lib; - const char *name = fn->foreign.name; + void (*fn_ptr)() = fn->foreign.fn_ptr; + if (!fn_ptr) { + assert(fn->flags & FN_EXPR_FOREIGN); + const char *lib = fn->foreign.lib; + const char *name = fn->foreign.name; - /* TODO: IMPORTANT: only open libraries once */ - void *handle = dlopen(lib, RTLD_LAZY); - if (!handle) { - err_print(call_where, "Could not open dynamic library: %s.", lib); - return false; - } + /* TODO: IMPORTANT: only open libraries once */ + void *handle = dlopen(lib, RTLD_LAZY); + printf("Load %s\n",lib); + if (!handle) { + err_print(call_where, "Could not open dynamic library: %s.", lib); + return false; + } #ifdef __GNUC__ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wpedantic" #endif - void (*fn_ptr)() = dlsym(handle, name); + fn_ptr = dlsym(handle, name); #ifdef __GNUC__ #pragma GCC diagnostic pop #endif - - if (!fn_ptr) { - err_print(call_where, "Could not get function from dynamic library: %s.", name); - return false; + + if (!fn_ptr) { + err_print(call_where, "Could not get function from dynamic library: %s.", name); + return false; + } + fn->foreign.fn_ptr = fn_ptr; } av_alist arg_list; @@ -260,7 +265,6 @@ static bool foreign_call(FnExpr *fn, Type *fn_type, Value *args, Location call_w (void)fn_type; (void)args; - dlclose(handle); return true; } |