MIRROR: javascript for 🐜's, a tiny runtime with big ambitions
canonical module
+17
-4
+17
-4
src/esm/library.c
+17
-4
src/esm/library.c
···
8
8
typedef struct ant_library_entry {
9
9
char name[256];
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10
ant_library_init_fn init_fn;
11
+
ant_value_t cached_ns;
12
+
bool ns_initialized;
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+
struct ant_library_entry *canonical;
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14
UT_hash_handle hh;
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15
} ant_library_entry_t;
13
16
···
16
19
void ant_register_library(ant_library_init_fn init_fn, const char *name, ...) {
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20
va_list args;
18
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const char *alias = name;
22
+
ant_library_entry_t *canonical_entry = NULL;
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23
20
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va_start(args, name);
21
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while (alias != NULL) {
···
25
29
strncpy(lib->name, alias, sizeof(lib->name) - 1);
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30
lib->name[sizeof(lib->name) - 1] = '\0';
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31
lib->init_fn = init_fn;
32
+
lib->ns_initialized = false;
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+
34
+
if (!canonical_entry) canonical_entry = lib;
35
+
lib->canonical = canonical_entry;
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36
29
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HASH_ADD_STR(library_registry, name, lib);
30
38
alias = va_arg(args, const char *);
···
46
54
47
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void ant_library_foreach(ant_library_iter_fn cb, void *userdata) {
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56
ant_library_entry_t *lib, *tmp;
49
-
HASH_ITER(hh, library_registry, lib, tmp) {
50
-
if (!strchr(lib->name, ':')) cb(lib->name, userdata);
51
-
}
57
+
HASH_ITER(hh, library_registry, lib, tmp) if (!strchr(lib->name, ':')) cb(lib->name, userdata);
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58
}
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ant_value_t js_esm_load_registered_library(ant_t *js, const char *specifier, size_t spec_len, bool *loaded) {
···
58
64
return js_mkundef();
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65
}
60
66
if (loaded) *loaded = true;
61
-
return lib->init_fn(js);
67
+
68
+
ant_library_entry_t *canon = lib->canonical;
69
+
if (canon->ns_initialized) return canon->cached_ns;
70
+
71
+
canon->cached_ns = canon->init_fn(js);
72
+
canon->ns_initialized = true;
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+
74
+
return canon->cached_ns;
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75
}