static void destroy_duktape_heap(duk_context *ctx, int alloc_provider) {
(void) alloc_provider;
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump before duk_destroy_heap(), before forced gc\n");
ajsheap_dump();
duk_gc(ctx, 0);
fprintf(stdout, "Pool dump before duk_destroy_heap(), after forced gc\n");
ajsheap_dump();
}
#endif
if (ctx) {
duk_destroy_heap(ctx);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump after duk_destroy_heap() (should have zero allocs)\n");
ajsheap_dump();
}
#endif
}
static duk_ret_t test_finalizer_loop(duk_context *ctx, void *udata) {
(void) udata;
/* Setup a finalizer loop: the finalizer of a finalizer is the
* finalizer itself. The finalizer won't be called recursively.
*/
duk_eval_string(ctx, "(function (obj) { print('finalizer called'); })");
duk_dup(ctx, -1);
duk_set_finalizer(ctx, -2);
printf("before pop\n");
duk_pop(ctx);
printf("after pop\n");
/* The finalizer participates in two circular references so it won't
* be collected until mark-and-sweep happens. The first circular
* reference is the function<->prototype loop. The second circular
* reference is the finalizer reference which points to the object
* itself.
*/
printf("before forced gc\n");
duk_gc(ctx, 0);
printf("after forced gc\n");
return 0;
}
static duk_ret_t test_gc(duk_context *ctx, void *udata) {
(void) udata;
prep(ctx);
/* Both objects are now in a prototype loop. Force garbage
* collection to ensure nothing breaks.
*/
printf("first gc\n"); fflush(stdout);
duk_gc(ctx, 0);
/* Make the objects unreachable and re-run GC. This triggers
* e.g. finalizer checks.
*/
printf("make unreachable\n"); fflush(stdout);
duk_set_top(ctx, 0);
printf("second gc\n"); fflush(stdout);
duk_gc(ctx, 0);
return 0;
}
static duk_ret_t test_func(duk_context *ctx, void *udata) {
(void) udata;
if (ctx) {
printf("dummy - return here\n"); fflush(stdout);
return 0;
}
/* Up-to-date for Duktape 1.3.0, alphabetical order:
* $ cd website/api; ls *.yaml
*/
(void) duk_alloc_raw(ctx, 0);
(void) duk_alloc(ctx, 0);
(void) duk_base64_decode(ctx, 0);
(void) duk_base64_encode(ctx, 0);
(void) duk_buffer_to_string(ctx, 0);
(void) duk_call_method(ctx, 0);
(void) duk_call_prop(ctx, 0, 0);
(void) duk_call(ctx, 0);
(void) duk_char_code_at(ctx, 0, 0);
(void) duk_check_stack_top(ctx, 0);
(void) duk_check_stack(ctx, 0);
(void) duk_check_type_mask(ctx, 0, 0);
(void) duk_check_type(ctx, 0, 0);
(void) duk_compact(ctx, 0);
(void) duk_compile_lstring_filename(ctx, 0, "dummy", 0);
(void) duk_compile_lstring(ctx, 0, "dummy", 0);
(void) duk_compile_string_filename(ctx, 0, "dummy");
(void) duk_compile_string(ctx, 0, "dummy");
(void) duk_compile(ctx, 0);
(void) duk_concat(ctx, 0);
(void) duk_config_buffer(ctx, 0, NULL, 0);
(void) duk_copy(ctx, 0, 0);
(void) duk_create_heap_default();
(void) duk_create_heap(NULL, NULL, NULL, NULL, NULL);
(void) duk_debugger_attach(ctx, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
(void) duk_debugger_cooperate(ctx);
(void) duk_debugger_detach(ctx);
(void) duk_debugger_notify(ctx, 0);
(void) duk_debugger_pause(ctx);
(void) duk_decode_string(ctx, 0, NULL, NULL);
(void) duk_def_prop(ctx, 0, 0);
(void) duk_del_prop_index(ctx, 0, 0);
(void) duk_del_prop_string(ctx, 0, "dummy");
(void) duk_del_prop(ctx, 0);
(void) duk_destroy_heap(ctx);
(void) duk_dump_function(ctx);
(void) duk_dup_top(ctx);
(void) duk_dup(ctx, 0);
(void) duk_enum(ctx, 0, 0);
(void) duk_equals(ctx, 0, 0);
duk_error_va(ctx, 0, NULL, NULL);
duk_error(ctx, 0, "dummy"); /* (void) cast won't work without variadic macros */
(void) duk_eval_lstring_noresult(ctx, "dummy", 0);
(void) duk_eval_lstring(ctx, "dummy", 0);
(void) duk_eval_noresult(ctx);
(void) duk_eval_string_noresult(ctx, "dummy");
(void) duk_eval_string(ctx, "dummy");
(void) duk_eval(ctx);
(void) duk_fatal(ctx, "dummy");
(void) duk_free_raw(ctx, NULL);
(void) duk_free(ctx, NULL);
(void) duk_gc(ctx, 0);
(void) duk_get_boolean(ctx, 0);
(void) duk_get_buffer_data(ctx, 0, NULL);
(void) duk_get_buffer(ctx, 0, NULL);
(void) duk_get_c_function(ctx, 0);
(void) duk_get_context(ctx, 0);
(void) duk_get_current_magic(ctx);
(void) duk_get_error_code(ctx, 0);
(void) duk_get_finalizer(ctx, 0);
(void) duk_get_global_string(ctx, 0);
(void) duk_get_heapptr(ctx, 0);
(void) duk_get_int(ctx, 0);
(void) duk_get_length(ctx, 0);
(void) duk_get_lstring(ctx, 0, NULL);
(void) duk_get_magic(ctx, 0);
(void) duk_get_memory_functions(ctx, NULL);
(void) duk_get_number(ctx, 0);
(void) duk_get_pointer(ctx, 0);
(void) duk_get_prop_index(ctx, 0, 0);
(void) duk_get_prop_string(ctx, 0, "dummy");
(void) duk_get_prop(ctx, 0);
(void) duk_get_prototype(ctx, 0);
(void) duk_get_string(ctx, 0);
(void) duk_get_top_index(ctx);
(void) duk_get_top(ctx);
(void) duk_get_type_mask(ctx, 0);
(void) duk_get_type(ctx, 0);
(void) duk_get_uint(ctx, 0);
(void) duk_has_prop_index(ctx, 0, 0);
(void) duk_has_prop_string(ctx, 0, "dummy");
(void) duk_has_prop(ctx, 0);
(void) duk_hex_decode(ctx, 0);
(void) duk_hex_encode(ctx, 0);
(void) duk_insert(ctx, 0);
(void) duk_instanceof(ctx, 0, 0);
(void) duk_is_array(ctx, 0);
(void) duk_is_boolean(ctx, 0);
(void) duk_is_bound_function(ctx, 0);
(void) duk_is_buffer(ctx, 0);
(void) duk_is_callable(ctx, 0);
(void) duk_is_c_function(ctx, 0);
(void) duk_is_constructor_call(ctx);
(void) duk_is_dynamic_buffer(ctx, 0);
(void) duk_is_ecmascript_function(ctx, 0);
(void) duk_is_error(ctx, 0);
(void) duk_is_eval_error(ctx, 0);
(void) duk_is_fixed_buffer(ctx, 0);
(void) duk_is_function(ctx, 0);
(void) duk_is_lightfunc(ctx, 0);
(void) duk_is_nan(ctx, 0);
(void) duk_is_null_or_undefined(ctx, 0);
(void) duk_is_null(ctx, 0);
(void) duk_is_number(ctx, 0);
(void) duk_is_object_coercible(ctx, 0);
(void) duk_is_object(ctx, 0);
(void) duk_is_pointer(ctx, 0);
(void) duk_is_primitive(ctx, 0);
(void) duk_is_range_error(ctx, 0);
(void) duk_is_reference_error(ctx, 0);
(void) duk_is_strict_call(ctx);
(void) duk_is_string(ctx, 0);
(void) duk_is_syntax_error(ctx, 0);
(void) duk_is_thread(ctx, 0);
(void) duk_is_type_error(ctx, 0);
(void) duk_is_undefined(ctx, 0);
(void) duk_is_uri_error(ctx, 0);
(void) duk_is_valid_index(ctx, 0);
(void) duk_join(ctx, 0);
(void) duk_json_decode(ctx, 0);
(void) duk_json_encode(ctx, 0);
(void) duk_load_function(ctx);
(void) duk_map_string(ctx, 0, NULL, NULL);
(void) duk_new(ctx, 0);
(void) duk_next(ctx, 0, 0);
(void) duk_normalize_index(ctx, 0);
(void) duk_pcall_method(ctx, 0);
(void) duk_pcall_prop(ctx, 0, 0);
(void) duk_pcall(ctx, 0);
(void) duk_pcompile_lstring_filename(ctx, 0, "dummy", 0);
(void) duk_pcompile_lstring(ctx, 0, "dummy", 0);
(void) duk_pcompile_string_filename(ctx, 0, "dummy");
(void) duk_pcompile_string(ctx, 0, "dummy");
(void) duk_pcompile(ctx, 0);
(void) duk_peval_lstring_noresult(ctx, "dummy", 0);
(void) duk_peval_lstring(ctx, "dummy", 0);
(void) duk_peval_noresult(ctx);
(void) duk_peval_string_noresult(ctx, "dummy");
(void) duk_peval_string(ctx, "dummy");
(void) duk_peval(ctx);
(void) duk_pnew(ctx, 0);
(void) duk_pop_2(ctx);
(void) duk_pop_3(ctx);
(void) duk_pop_n(ctx, 0);
(void) duk_pop(ctx);
(void) duk_push_array(ctx);
(void) duk_push_boolean(ctx, 0);
(void) duk_push_buffer_object(ctx, 0, 0, 0, 0);
(void) duk_push_buffer(ctx, 0, 0);
(void) duk_push_c_function(ctx, NULL, 0);
(void) duk_push_c_lightfunc(ctx, NULL, 0, 0, 0);
(void) duk_push_context_dump(ctx);
(void) duk_push_current_function(ctx);
(void) duk_push_current_thread(ctx);
(void) duk_push_dynamic_buffer(ctx, 0);
(void) duk_push_error_object_va(ctx, 0, NULL, NULL);
(void) duk_push_error_object(ctx, 0, "dummy");
(void) duk_push_external_buffer(ctx);
(void) duk_push_false(ctx);
(void) duk_push_fixed_buffer(ctx, 0);
(void) duk_push_global_object(ctx);
(void) duk_push_global_stash(ctx);
(void) duk_push_heap_stash(ctx);
(void) duk_push_heapptr(ctx, NULL);
(void) duk_push_int(ctx, 0);
(void) duk_push_lstring(ctx, "dummy", 0);
(void) duk_push_nan(ctx);
(void) duk_push_null(ctx);
(void) duk_push_number(ctx, 0.0);
(void) duk_push_object(ctx);
(void) duk_push_pointer(ctx, NULL);
(void) duk_push_sprintf(ctx, "dummy");
(void) duk_push_string(ctx, "dummy");
(void) duk_push_this(ctx);
(void) duk_push_thread_new_globalenv(ctx);
(void) duk_push_thread_stash(ctx, NULL);
(void) duk_push_thread(ctx);
(void) duk_push_true(ctx);
(void) duk_push_uint(ctx, 0);
(void) duk_push_undefined(ctx);
(void) duk_push_vsprintf(ctx, "dummy", NULL);
(void) duk_put_function_list(ctx, 0, NULL);
(void) duk_put_global_string(ctx, NULL);
(void) duk_put_number_list(ctx, 0, NULL);
(void) duk_put_prop_index(ctx, 0, 0);
(void) duk_put_prop_string(ctx, 0, "dummy");
(void) duk_put_prop(ctx, 0);
(void) duk_realloc_raw(ctx, NULL, 0);
(void) duk_realloc(ctx, NULL, 0);
(void) duk_remove(ctx, 0);
(void) duk_replace(ctx, 0);
(void) duk_require_boolean(ctx, 0);
(void) duk_require_buffer_data(ctx, 0, NULL);
(void) duk_require_buffer(ctx, 0, NULL);
(void) duk_require_c_function(ctx, 0);
(void) duk_require_callable(ctx, 0);
(void) duk_require_context(ctx, 0);
(void) duk_require_function(ctx, 0);
(void) duk_require_heapptr(ctx, 0);
(void) duk_require_int(ctx, 0);
(void) duk_require_lstring(ctx, 0, NULL);
(void) duk_require_normalize_index(ctx, 0);
(void) duk_require_null(ctx, 0);
(void) duk_require_number(ctx, 0);
(void) duk_require_object_coercible(ctx, 0);
(void) duk_require_pointer(ctx, 0);
(void) duk_require_stack_top(ctx, 0);
(void) duk_require_stack(ctx, 0);
(void) duk_require_string(ctx, 0);
(void) duk_require_top_index(ctx);
(void) duk_require_type_mask(ctx, 0, 0);
(void) duk_require_uint(ctx, 0);
(void) duk_require_undefined(ctx, 0);
(void) duk_require_valid_index(ctx, 0);
(void) duk_resize_buffer(ctx, 0, 0);
(void) duk_safe_call(ctx, NULL, NULL, 0, 0);
(void) duk_safe_to_lstring(ctx, 0, NULL);
(void) duk_safe_to_string(ctx, 0);
(void) duk_set_finalizer(ctx, 0);
(void) duk_set_global_object(ctx);
(void) duk_set_magic(ctx, 0, 0);
(void) duk_set_prototype(ctx, 0);
(void) duk_set_top(ctx, 0);
(void) duk_steal_buffer(ctx, 0, NULL);
(void) duk_strict_equals(ctx, 0, 0);
(void) duk_substring(ctx, 0, 0, 0);
(void) duk_swap_top(ctx, 0);
(void) duk_swap(ctx, 0, 0);
(void) duk_throw(ctx);
(void) duk_to_boolean(ctx, 0);
(void) duk_to_buffer(ctx, 0, NULL);
(void) duk_to_defaultvalue(ctx, 0, 0);
(void) duk_to_dynamic_buffer(ctx, 0, NULL);
(void) duk_to_fixed_buffer(ctx, 0, NULL);
(void) duk_to_int32(ctx, 0);
(void) duk_to_int(ctx, 0);
(void) duk_to_lstring(ctx, 0, NULL);
(void) duk_to_null(ctx, 0);
(void) duk_to_number(ctx, 0);
(void) duk_to_object(ctx, 0);
(void) duk_to_pointer(ctx, 0);
(void) duk_to_primitive(ctx, 0, 0);
(void) duk_to_string(ctx, 0);
(void) duk_to_uint16(ctx, 0);
(void) duk_to_uint32(ctx, 0);
(void) duk_to_uint(ctx, 0);
(void) duk_to_undefined(ctx, 0);
(void) duk_trim(ctx, 0);
(void) duk_xcopy_top(ctx, NULL, 0);
(void) duk_xmove_top(ctx, NULL, 0);
printf("never here\n"); fflush(stdout);
return 0;
}
static duk_ret_t test_basic(duk_context *ctx) {
duk_idx_t i, n;
void *ptr;
void *p1, *p2, *p3;
duk_int_t ret;
duk_push_undefined(ctx);
duk_push_null(ctx);
duk_push_boolean(ctx, 1);
duk_push_number(ctx, 123.0);
duk_push_string(ctx, "test string");
duk_eval_string(ctx, "({ foo: 'bar' })");
duk_eval_string(ctx, "Duktape.dec('hex', 'deadbeef');"); /* buffer */
/* Print pointer NULL/non-NULL */
n = duk_get_top(ctx);
for (i = 0; i < n + 1; i++) {
/* Note: access i == n on purpose (invalid index) */
ptr = duk_get_heapptr(ctx, i);
printf("top: %ld\n", (long) duk_get_top(ctx));
printf("idx %ld: type %ld, duk_get_heapptr() -> %s\n",
(long) i, (long) duk_get_type(ctx, i), (ptr ? "non-NULL" : "NULL"));
duk_push_uint(ctx, (duk_uint_t) i);
ret = duk_safe_call(ctx, raw_require_heapptr, 1 /*nargs*/, 1 /*nrets*/);
if (ret == DUK_EXEC_SUCCESS) {
;
} else {
printf("idx %ld: type %ld, duk_require_heapptr() -> %s\n",
(long) i, (long) duk_get_type(ctx, i), duk_safe_to_string(ctx, -1));
}
duk_pop(ctx);
}
/* Write the values to the global stash to simulate whatever
* reachability mechanisms user code uses.
*/
n = duk_get_top(ctx);
duk_push_global_stash(ctx);
for (i = 0; i < n; i++) {
duk_dup(ctx, i);
duk_put_prop_index(ctx, -2, (duk_uarridx_t) i);
}
/* Get borrowed references */
p1 = duk_get_heapptr(ctx, 4);
p2 = duk_get_heapptr(ctx, 5);
p3 = duk_get_heapptr(ctx, 6);
/* Erase value stack, simulating user code moving on and relying on
* stashed values keeping the target values reachable. Force a GC
* for good measure.
*/
duk_set_top(ctx, 0);
duk_gc(ctx, 0);
/* Push the values back one by one and test that they're intact. */
duk_eval_string(ctx, "(function (v) { print(Duktape.enc('jx', v)); })");
duk_dup_top(ctx);
duk_push_heapptr(ctx, p1);
duk_call(ctx, 1);
duk_pop(ctx);
duk_dup_top(ctx);
duk_push_heapptr(ctx, p2);
duk_call(ctx, 1);
duk_pop(ctx);
duk_dup_top(ctx);
duk_push_heapptr(ctx, p3);
duk_call(ctx, 1);
duk_pop(ctx);
duk_dup_top(ctx);
duk_push_heapptr(ctx, NULL);
duk_call(ctx, 1);
duk_pop(ctx);
duk_pop(ctx);
/* Done. */
printf("final top: %ld\n", (long) duk_get_top(ctx));
return 0;
}
int main(int argc, char *argv[]) {
duk_context *ctx = NULL;
int retval = 0;
int have_files = 0;
int have_eval = 0;
int interactive = 0;
int memlimit_high = 1;
int alloc_provider = ALLOC_DEFAULT;
int i;
#ifdef DUK_CMDLINE_AJSHEAP
alloc_provider = ALLOC_AJSHEAP;
#endif
/*
* Signal handling setup
*/
#ifndef NO_SIGNAL
set_sigint_handler();
/* This is useful at the global level; libraries should avoid SIGPIPE though */
/*signal(SIGPIPE, SIG_IGN);*/
#endif
/*
* Parse options
*/
for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (!arg) {
goto usage;
}
if (strcmp(arg, "--restrict-memory") == 0) {
memlimit_high = 0;
} else if (strcmp(arg, "-i") == 0) {
interactive = 1;
} else if (strcmp(arg, "-e") == 0) {
have_eval = 1;
if (i == argc - 1) {
goto usage;
}
i++; /* skip code */
} else if (strcmp(arg, "--alloc-default") == 0) {
alloc_provider = ALLOC_DEFAULT;
} else if (strcmp(arg, "--alloc-logging") == 0) {
alloc_provider = ALLOC_LOGGING;
} else if (strcmp(arg, "--alloc-torture") == 0) {
alloc_provider = ALLOC_TORTURE;
} else if (strcmp(arg, "--alloc-hybrid") == 0) {
alloc_provider = ALLOC_HYBRID;
} else if (strcmp(arg, "--alloc-ajsheap") == 0) {
alloc_provider = ALLOC_AJSHEAP;
} else if (strlen(arg) >= 1 && arg[0] == '-') {
goto usage;
} else {
have_files = 1;
}
}
if (!have_files && !have_eval) {
interactive = 1;
}
/*
* Memory limit
*/
#ifndef NO_RLIMIT
set_resource_limits(memlimit_high ? MEM_LIMIT_HIGH : MEM_LIMIT_NORMAL);
#else
if (memlimit_high == 0) {
fprintf(stderr, "Warning: option --restrict-memory ignored, no rlimit support\n");
fflush(stderr);
}
#endif
/*
* Create context
*/
ctx = NULL;
if (!ctx && alloc_provider == ALLOC_LOGGING) {
#ifdef DUK_CMDLINE_ALLOC_LOGGING
ctx = duk_create_heap(duk_alloc_logging,
duk_realloc_logging,
duk_free_logging,
NULL,
NULL);
#else
fprintf(stderr, "Warning: option --alloc-logging ignored, no logging allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_TORTURE) {
#ifdef DUK_CMDLINE_ALLOC_TORTURE
ctx = duk_create_heap(duk_alloc_torture,
duk_realloc_torture,
duk_free_torture,
NULL,
NULL);
#else
fprintf(stderr, "Warning: option --alloc-torture ignored, no torture allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_HYBRID) {
#ifdef DUK_CMDLINE_ALLOC_HYBRID
void *udata = duk_alloc_hybrid_init();
if (!udata) {
fprintf(stderr, "Failed to init hybrid allocator\n");
fflush(stderr);
} else {
ctx = duk_create_heap(duk_alloc_hybrid,
duk_realloc_hybrid,
duk_free_hybrid,
udata,
NULL);
}
#else
fprintf(stderr, "Warning: option --alloc-hybrid ignored, no hybrid allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_AJSHEAP) {
#ifdef DUK_CMDLINE_AJSHEAP
ajsheap_init();
ctx = duk_create_heap(AJS_Alloc,
AJS_Realloc,
AJS_Free,
(void *) &ctx, /* alloc_udata */
NULL); /* fatal_handler */
#else
fprintf(stderr, "Warning: option --alloc-ajsheap ignored, no ajsheap allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_DEFAULT) {
ctx = duk_create_heap_default();
}
if (!ctx) {
fprintf(stderr, "Failed to create Duktape heap\n");
fflush(stderr);
exit(-1);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump after heap creation\n");
fflush(stdout);
AJS_HeapDump();
fflush(stdout);
}
#endif
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
ajsheap_register(ctx);
}
#endif
/*
* Execute any argument file(s)
*/
for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (!arg) {
continue;
} else if (strlen(arg) == 2 && strcmp(arg, "-e") == 0) {
/* Here we know the eval arg exists but check anyway */
if (i == argc - 1) {
retval = 1;
goto cleanup;
}
if (handle_eval(ctx, argv[i + 1]) != 0) {
retval = 1;
goto cleanup;
}
i++; /* skip code */
continue;
} else if (strlen(arg) >= 1 && arg[0] == '-') {
continue;
}
if (handle_file(ctx, arg) != 0) {
retval = 1;
goto cleanup;
}
}
/*
* Enter interactive mode if options indicate it
*/
if (interactive) {
if (handle_interactive(ctx) != 0) {
retval = 1;
goto cleanup;
}
}
/*
* Cleanup and exit
*/
cleanup:
if (interactive) {
fprintf(stderr, "Cleaning up...\n");
fflush(stderr);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump before duk_destroy_heap(), before forced gc\n");
fflush(stdout);
AJS_HeapDump();
fflush(stdout);
duk_gc(ctx, 0);
fprintf(stdout, "Pool dump before duk_destroy_heap(), after forced gc\n");
fflush(stdout);
AJS_HeapDump();
fflush(stdout);
}
#endif
if (ctx) {
duk_destroy_heap(ctx);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump after duk_destroy_heap() (should have zero allocs)\n");
fflush(stdout);
AJS_HeapDump();
fflush(stdout);
}
#endif
return retval;
/*
* Usage
*/
usage:
fprintf(stderr, "Usage: duk [options] [<filenames>]\n"
"\n"
" -i enter interactive mode after executing argument file(s) / eval code\n"
" -e CODE evaluate code\n"
" --restrict-memory use lower memory limit (used by test runner)\n"
" --alloc-default use Duktape default allocator\n"
#ifdef DUK_CMDLINE_ALLOC_LOGGING
" --alloc-logging use logging allocator (writes to /tmp)\n"
#endif
#ifdef DUK_CMDLINE_ALLOC_TORTURE
" --alloc-torture use torture allocator\n"
#endif
#ifdef DUK_CMDLINE_ALLOC_HYBRID
" --alloc-hybrid use hybrid allocator\n"
#endif
#ifdef DUK_CMDLINE_AJSHEAP
" --alloc-ajsheap use ajsheap allocator (enabled by default with 'ajduk')\n"
#endif
"\n"
"If <filename> is omitted, interactive mode is started automatically.\n");
fflush(stderr);
exit(1);
}
int main(int argc, char *argv[]) {
/* initialize js environment */
duk_context *ctx = duk_create_heap_default();
/* add native functions to js environment */
duk_push_global_object(ctx);
/* 'read' */
duk_push_c_function(ctx, js_read_file, 1);
duk_put_prop_string(ctx, -2, "read");
#ifdef USE_PROMPT
/* 'prompt' */
duk_push_c_function(ctx, js_prompt, 1);
duk_put_prop_string(ctx, -2, "prompt");
#endif
/* 'get' */
duk_push_c_function(ctx, js_level_get, 2);
duk_put_prop_string(ctx, -2, "get");
/* 'set' */
duk_push_c_function(ctx, js_level_set, 3);
duk_put_prop_string(ctx, -2, "set");
/* 'register' */
duk_push_c_function(ctx, js_register_block, 3);
duk_put_prop_string(ctx, -2, "register");
/* 'load_file' */
duk_push_c_function(ctx, js_load_file, 1);
duk_put_prop_string(ctx, -2, "load_file");
/* 'fill' */
duk_push_c_function(ctx, js_algo_fill, 1);
duk_put_prop_string(ctx, -2, "fill");
/* 'findall' */
duk_push_c_function(ctx, js_algo_findall, 1);
duk_put_prop_string(ctx, -2, "findall");
/* 'neighbors_of' */
duk_push_c_function(ctx, js_algo_neighbors_of, 3);
duk_put_prop_string(ctx, -2, "neighbors_of");
/* 'distance' */
duk_push_c_function(ctx, js_algo_raycast, 4);
duk_put_prop_string(ctx, -2, "raycast");
/* pop global object */
duk_pop(ctx);
/* try to load some basic functionality */
if (duk_peval_file(ctx, "base/base.js") != 0) {
//printf("Failed to load 'base/base.js': %s\n", duk_safe_to_string(ctx, -1));
/* When failing to load base/base.js, se simple, default module loader. */
duk_eval_string_noresult(ctx, "Duktape.modSearch = function(id) { return read(id); };");
}
duk_pop(ctx);
if (argc > 1) {
/* run garbage collector (twice as told by the docs) */
duk_gc(ctx, 0);
duk_gc(ctx, 0);
/* where to save the png */
char *export_file = "generated_map";
int generate_num = 1;
int save_png_disabled = 0;
/* parse command line flags */
for (int i = 0; i < argc; ++i) {
if (!strcmp(argv[i], "--width") || !strcmp(argv[i], "-w")) {
if (i + 1 < argc)
js_level_width = atoi(argv[i + 1]);
} else if (!strcmp(argv[i], "--height") || !strcmp(argv[i], "-h")) {
if (i + 1 < argc)
js_level_height = atoi(argv[i + 1]);
} else if (!strcmp(argv[i], "-o") || !strcmp(argv[i], "--output")) {
if (i + 1 < argc)
export_file = argv[i + 1];
} else if (!strcmp(argv[i], "-c") || !strcmp(argv[i], "--count")) {
if (i + 1 < argc)
generate_num = atoi(argv[i + 1]);
} else if (!strcmp(argv[i], "-n") || !strcmp(argv[i], "--no-export")) {
save_png_disabled = 1;
}
}
/* reserve enough memory for level */
js_level = malloc(sizeof(int) * js_level_width * js_level_height);
blocks = malloc(sizeof(struct color) * blocks_max_len);
/* set all zeroes, maybe change this use to calloc */
memset(js_level, 0, sizeof(int) * js_level_width * js_level_height);
/* declare & assign global variable Width & Height */
duk_push_int(ctx, js_level_width);
duk_put_global_string(ctx, "Width");
duk_push_int(ctx, js_level_height);
duk_put_global_string(ctx, "Height");
/* can generate multiple maps */
for (int i = 0; i < generate_num; ++i) {
if (duk_peval_file(ctx, argv[1]) != 0) {
printf("('%s' #%d) %s\n", argv[1], i, duk_safe_to_string(ctx, -1));
}
duk_pop(ctx);
/* export the level with a special name */
char export_file_num[256];
if (generate_num > 1) {
sprintf(export_file_num, "%s_%d.png", export_file, i);
} else {
sprintf(export_file_num, "%s.png", export_file);
}
/* export the level as png */
if (!save_png_disabled)
export_level(export_file_num);
}
/* free all memory */
free(js_level);
free(blocks);
} else {
/* tell the user how to use this */
print_usage(argv[0]);
}
/* clean up */
duk_destroy_heap(ctx);
return 0;
}
int main(int argc, char *argv[]) {
duk_context *ctx = NULL;
int retval = 0;
int have_files = 0;
int have_eval = 0;
int interactive = 0;
int memlimit_high = 1;
int alloc_provider = ALLOC_DEFAULT;
int ajsheap_log = 0;
int debugger = 0;
const char *compile_filename = NULL;
int i;
#ifdef DUK_CMDLINE_AJSHEAP
alloc_provider = ALLOC_AJSHEAP;
#endif
(void) ajsheap_log;
/*
* Signal handling setup
*/
#ifndef NO_SIGNAL
set_sigint_handler();
/* This is useful at the global level; libraries should avoid SIGPIPE though */
/*signal(SIGPIPE, SIG_IGN);*/
#endif
/*
* Parse options
*/
for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (!arg) {
goto usage;
}
if (strcmp(arg, "--restrict-memory") == 0) {
memlimit_high = 0;
} else if (strcmp(arg, "-i") == 0) {
interactive = 1;
} else if (strcmp(arg, "-c") == 0) {
if (i == argc - 1) {
goto usage;
}
i++;
compile_filename = argv[i];
} else if (strcmp(arg, "-e") == 0) {
have_eval = 1;
if (i == argc - 1) {
goto usage;
}
i++; /* skip code */
} else if (strcmp(arg, "--alloc-default") == 0) {
alloc_provider = ALLOC_DEFAULT;
} else if (strcmp(arg, "--alloc-logging") == 0) {
alloc_provider = ALLOC_LOGGING;
} else if (strcmp(arg, "--alloc-torture") == 0) {
alloc_provider = ALLOC_TORTURE;
} else if (strcmp(arg, "--alloc-hybrid") == 0) {
alloc_provider = ALLOC_HYBRID;
} else if (strcmp(arg, "--alloc-ajsheap") == 0) {
alloc_provider = ALLOC_AJSHEAP;
} else if (strcmp(arg, "--ajsheap-log") == 0) {
ajsheap_log = 1;
} else if (strcmp(arg, "--debugger") == 0) {
debugger = 1;
} else if (strlen(arg) >= 1 && arg[0] == '-') {
goto usage;
} else {
have_files = 1;
}
}
if (!have_files && !have_eval) {
interactive = 1;
}
/*
* Memory limit
*/
#ifndef NO_RLIMIT
set_resource_limits(memlimit_high ? MEM_LIMIT_HIGH : MEM_LIMIT_NORMAL);
#else
if (memlimit_high == 0) {
fprintf(stderr, "Warning: option --restrict-memory ignored, no rlimit support\n");
fflush(stderr);
}
#endif
/*
* Create context
*/
ctx = NULL;
if (!ctx && alloc_provider == ALLOC_LOGGING) {
#ifdef DUK_CMDLINE_ALLOC_LOGGING
ctx = duk_create_heap(duk_alloc_logging,
duk_realloc_logging,
duk_free_logging,
(void *) 0xdeadbeef,
NULL);
#else
fprintf(stderr, "Warning: option --alloc-logging ignored, no logging allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_TORTURE) {
#ifdef DUK_CMDLINE_ALLOC_TORTURE
ctx = duk_create_heap(duk_alloc_torture,
duk_realloc_torture,
duk_free_torture,
(void *) 0xdeadbeef,
NULL);
#else
fprintf(stderr, "Warning: option --alloc-torture ignored, no torture allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_HYBRID) {
#ifdef DUK_CMDLINE_ALLOC_HYBRID
void *udata = duk_alloc_hybrid_init();
if (!udata) {
fprintf(stderr, "Failed to init hybrid allocator\n");
fflush(stderr);
} else {
ctx = duk_create_heap(duk_alloc_hybrid,
duk_realloc_hybrid,
duk_free_hybrid,
udata,
NULL);
}
#else
fprintf(stderr, "Warning: option --alloc-hybrid ignored, no hybrid allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_AJSHEAP) {
#ifdef DUK_CMDLINE_AJSHEAP
ajsheap_init();
ctx = duk_create_heap(
ajsheap_log ? ajsheap_alloc_wrapped : AJS_Alloc,
ajsheap_log ? ajsheap_realloc_wrapped : AJS_Realloc,
ajsheap_log ? ajsheap_free_wrapped : AJS_Free,
(void *) 0xdeadbeef, /* heap_udata: ignored by AjsHeap, use as marker */
NULL
); /* fatal_handler */
#else
fprintf(stderr, "Warning: option --alloc-ajsheap ignored, no ajsheap allocator support\n");
fflush(stderr);
#endif
}
if (!ctx && alloc_provider == ALLOC_DEFAULT) {
ctx = duk_create_heap_default();
}
if (!ctx) {
fprintf(stderr, "Failed to create Duktape heap\n");
fflush(stderr);
exit(-1);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump after heap creation\n");
ajsheap_dump();
}
#endif
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
ajsheap_register(ctx);
}
#endif
if (debugger) {
#ifdef DUK_CMDLINE_DEBUGGER_SUPPORT
fprintf(stderr, "Debugger enabled, create socket and wait for connection\n");
fflush(stderr);
duk_trans_socket_init();
duk_trans_socket_waitconn();
fprintf(stderr, "Debugger connected, call duk_debugger_attach() and then execute requested file(s)/eval\n");
fflush(stderr);
duk_debugger_attach(ctx,
duk_trans_socket_read_cb,
duk_trans_socket_write_cb,
duk_trans_socket_peek_cb,
duk_trans_socket_read_flush_cb,
duk_trans_socket_write_flush_cb,
debugger_detached,
(void *) 0xbeef1234);
#else
fprintf(stderr, "Warning: option --debugger ignored, no debugger support\n");
fflush(stderr);
#endif
}
#if 0
/* Manual test for duk_debugger_cooperate() */
{
for (i = 0; i < 60; i++) {
printf("cooperate: %d\n", i);
usleep(1000000);
duk_debugger_cooperate(ctx);
}
}
#endif
/*
* Execute any argument file(s)
*/
for (i = 1; i < argc; i++) {
char *arg = argv[i];
if (!arg) {
continue;
} else if (strlen(arg) == 2 && strcmp(arg, "-e") == 0) {
/* Here we know the eval arg exists but check anyway */
if (i == argc - 1) {
retval = 1;
goto cleanup;
}
if (handle_eval(ctx, argv[i + 1]) != 0) {
retval = 1;
goto cleanup;
}
i++; /* skip code */
continue;
} else if (strlen(arg) == 2 && strcmp(arg, "-c") == 0) {
i++; /* skip filename */
continue;
} else if (strlen(arg) >= 1 && arg[0] == '-') {
continue;
}
if (handle_file(ctx, arg, compile_filename) != 0) {
retval = 1;
goto cleanup;
}
}
/*
* Enter interactive mode if options indicate it
*/
if (interactive) {
if (handle_interactive(ctx) != 0) {
retval = 1;
goto cleanup;
}
}
/*
* Cleanup and exit
*/
cleanup:
if (interactive) {
fprintf(stderr, "Cleaning up...\n");
fflush(stderr);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump before duk_destroy_heap(), before forced gc\n");
ajsheap_dump();
duk_gc(ctx, 0);
fprintf(stdout, "Pool dump before duk_destroy_heap(), after forced gc\n");
ajsheap_dump();
}
#endif
if (ctx) {
duk_destroy_heap(ctx);
}
#ifdef DUK_CMDLINE_AJSHEAP
if (alloc_provider == ALLOC_AJSHEAP) {
fprintf(stdout, "Pool dump after duk_destroy_heap() (should have zero allocs)\n");
ajsheap_dump();
}
#endif
return retval;
/*
* Usage
*/
usage:
fprintf(stderr, "Usage: duk [options] [<filenames>]\n"
"\n"
" -i enter interactive mode after executing argument file(s) / eval code\n"
" -e CODE evaluate code\n"
" -c FILE compile into bytecode (use with only one file argument)\n"
" --restrict-memory use lower memory limit (used by test runner)\n"
" --alloc-default use Duktape default allocator\n"
#ifdef DUK_CMDLINE_ALLOC_LOGGING
" --alloc-logging use logging allocator (writes to /tmp)\n"
#endif
#ifdef DUK_CMDLINE_ALLOC_TORTURE
" --alloc-torture use torture allocator\n"
#endif
#ifdef DUK_CMDLINE_ALLOC_HYBRID
" --alloc-hybrid use hybrid allocator\n"
#endif
#ifdef DUK_CMDLINE_AJSHEAP
" --alloc-ajsheap use ajsheap allocator (enabled by default with 'ajduk')\n"
" --ajsheap-log write alloc log to /tmp/ajduk-alloc-log.txt\n"
#endif
#ifdef DUK_CMDLINE_DEBUGGER_SUPPORT
" --debugger start example debugger\n"
#endif
"\n"
"If <filename> is omitted, interactive mode is started automatically.\n");
fflush(stderr);
exit(1);
}
//void duk_gc(duk_context *ctx, duk_uint_t flags);
void aperl_duk_gc(duk_context *ctx, duk_uint_t flags) {
duk_gc(ctx, flags);
}
static duk_ret_t test_recursive_finalizer(duk_context *ctx, void *udata) {
(void) udata;
/* Object to be finalized */
duk_push_object(ctx);
duk_push_int(ctx, 123);
duk_put_prop_string(ctx, -2, "foo");
/* Ecmascript finalizer */
duk_eval_string(ctx, "(function (obj) { print('finalizing obj, obj.foo:', obj.foo); })");
duk_push_int(ctx, 321);
duk_put_prop_string(ctx, -2, "bar");
/* [ target finalizer ] */
/* Break the function <-> prototype reference loop so that the
* Ecmascript finalizer is not in a reference loop and gets
* collected by refcounting.
*
* (Note that 'prototype' is not configurable so we can't
* delete it.)
*/
duk_push_string(ctx, "dummy");
duk_put_prop_string(ctx, -2, "prototype");
/* Add a Duktape/C finalizer for the Ecmascript finalizer to
* exercise both Duktape/C finalizers and recursive finalization
*/
duk_push_c_function(ctx, c_finalizer, 1);
duk_push_int(ctx, 234);
duk_put_prop_string(ctx, -2, "quux");
duk_set_finalizer(ctx, -2);
/* [ target(foo:123) finalizer(bar:321) ] */
/* Set Ecmascript finalizer to original object */
duk_set_finalizer(ctx, -2);
/* [ target(foo:123) ] */
printf("top: %ld\n", (long) duk_get_top(ctx));
/* Read back the finalizer and the finalizer's finalizer */
duk_get_finalizer(ctx, -1); /* target's finalizer */
duk_get_finalizer(ctx, -1); /* finalizer's finalizer */
/* [ target(foo:123) finalizer(bar:321) c_finalizer(quux:234) ] */
duk_get_prop_string(ctx, -2, "bar");
printf("finalizer.bar=%s\n", duk_safe_to_string(ctx, -1));
duk_pop(ctx);
duk_get_prop_string(ctx, -1, "quux");
printf("c_finalizer.quux=%s\n", duk_safe_to_string(ctx, -1));
duk_pop(ctx);
/* [ target(foo:123) finalizer(bar:321) c_finalizer(quux:234) ] */
printf("before set top 0\n");
duk_set_top(ctx, 0); /* causes finalization */
printf("after set top 0\n");
/* [ ] */
/* Explicit GC (just in case e.g. a reference loop prevented collection) */
printf("before explicit gc\n");
duk_gc(ctx, 0);
printf("after explicit gc\n");
return 0;
}
