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/*
* duk_inspect_callstack_entry()
*/
/*===
*** test_basic (duk_safe_call)
result is undefined: 1
calling func
my_func called
inspect level -1
top before: 0
top after: 1
result is object: 1
result is undefined: 0
.function is object: 1
.function is undefined: 0
.function.name: my_func
inspect level -2
top before: 0
top after: 1
result is object: 1
result is undefined: 0
.function is object: 1
.function is undefined: 0
.function.name: myNamedFunction
inspect level -3
top before: 0
top after: 1
result is object: 0
result is undefined: 1
exited func
final top: 0
==> rc=0, result='undefined'
===*/
static duk_ret_t my_func(duk_context *ctx) {
duk_int_t level;
printf("my_func called\n");
for (level = -1; level >= -100; level--) {
printf("inspect level %ld\n", (long) level);
printf("top before: %ld\n", (long) duk_get_top(ctx));
duk_inspect_callstack_entry(ctx, level);
printf("top after: %ld\n", (long) duk_get_top(ctx));
printf("result is object: %ld\n", (long) duk_is_object(ctx, -1));
printf("result is undefined: %ld\n", (long) duk_is_undefined(ctx, -1));
if (duk_is_undefined(ctx, -1)) {
break;
}
duk_get_prop_string(ctx, -1, "function");
printf(".function is object: %ld\n", (long) duk_is_object(ctx, -1));
printf(".function is undefined: %ld\n", (long) duk_is_undefined(ctx, -1));
if (duk_is_object(ctx, -1)) {
duk_get_prop_string(ctx, -1, "name");
printf(".function.name: %s\n", duk_safe_to_string(ctx, -1));
duk_pop(ctx);
}
duk_pop_2(ctx);
}
return 0;
}
static duk_ret_t test_basic(duk_context *ctx, void *udata) {
(void) udata;
duk_push_string(ctx, "dummy");
/* Callstack is empty here, so undefined. */
duk_inspect_callstack_entry(ctx, -1);
printf("result is undefined: %ld\n", (long) duk_is_undefined(ctx, -1));
duk_pop(ctx);
/* Call a native target through eval code. */
duk_eval_string(ctx,
"(function myNamedFunction(func) {\n"
" print('calling func');\n"
" func();\n"
" print('exited func');\n"
"})");
duk_push_c_function(ctx, my_func, 0 /*nargs*/);
duk_push_string(ctx, "name");
duk_push_string(ctx, "my_func");
duk_def_prop(ctx, -3, DUK_DEFPROP_HAVE_VALUE);
duk_call(ctx, 1);
duk_pop(ctx);
duk_pop(ctx); /* pop dummy */
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
void test(duk_context *ctx) {
TEST_SAFE_CALL(test_basic);
}