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rely on sorted compiled binary array.

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`builtin_binary` is sorted by miniruby loading order and this
loading order should be same on ruby. So we can believe sorted
order of `builtin_binary` on boot time.
This commit is contained in:
Koichi Sasada 2019-12-11 15:45:23 +09:00
parent 0afee4d803
commit 7f5014e6e8
1 changed files with 15 additions and 4 deletions
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15
builtin.c
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@ -15,11 +15,22 @@
static const unsigned char* static const unsigned char*
builtin_lookup(const char *feature, size_t *psize) builtin_lookup(const char *feature, size_t *psize)
{ {
for (int i=0; i<BUILTIN_BINARY_SIZE; i++) { static int index = 0;
if (strcmp(builtin_binary[i].feature, feature) == 0) { int i = index++;
// usually, `builtin_binary` order is loading order at miniruby.
if (LIKELY(strcmp(builtin_binary[i].feature, feature) == 0)) {
found:
*psize = builtin_binary[i].bin_size; *psize = builtin_binary[i].bin_size;
return builtin_binary[i].bin; return builtin_binary[i].bin;
} }
else {
if (0) fprintf(stderr, "builtin_lookup: cached index miss (index:%d)\n", i);
for (i=0; i<BUILTIN_BINARY_SIZE; i++) {
if (strcmp(builtin_binary[i].feature, feature) == 0) {
goto found;
}
}
} }
rb_bug("builtin_lookup: can not find %s\n", feature); rb_bug("builtin_lookup: can not find %s\n", feature);
} }