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perf(completion): use one call to globpath() for .vim and .lua #21942

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Test using the following test script (timings with ASAN):

    let start = reltime()
    for i in range(100)
      call getcompletion('', 'filetype')
    endfor
    echomsg reltimefloat(reltime(start))

Without this PR: 3.251825 seconds
With this PR: 2.747285 seconds
This commit is contained in:
zeertzjq 2023-01-23 18:42:37 +08:00 committed by GitHub
parent 45d511574c
commit d58bf4ff30
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 11 additions and 21 deletions
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32
src/nvim/runtime.c
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@ -1190,34 +1190,28 @@ int ExpandRTDir(char *pat, int flags, int *num_file, char ***file, char *dirname
garray_T ga;
ga_init(&ga, (int)sizeof(char *), 10);
// TODO(bfredl): this is bullshit, exandpath should not reinvent path logic.
// TODO(bfredl): this is bullshit, expandpath should not reinvent path logic.
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = strlen(dirnames[i]) + pat_len + 7;
size_t size = strlen(dirnames[i]) + pat_len + 16;
char *s = xmalloc(size);
snprintf(s, size, "%s/%s*.vim", dirnames[i], pat);
globpath(p_rtp, s, &ga, 0);
snprintf(s, size, "%s/%s*.lua", dirnames[i], pat);
snprintf(s, size, "%s/%s*.\\(vim\\|lua\\)", dirnames[i], pat);
globpath(p_rtp, s, &ga, 0);
xfree(s);
}
if (flags & DIP_START) {
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = strlen(dirnames[i]) + pat_len + 22;
size_t size = strlen(dirnames[i]) + pat_len + 31;
char *s = xmalloc(size);
snprintf(s, size, "pack/*/start/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
snprintf(s, size, "pack/*/start/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
snprintf(s, size, "pack/*/start/*/%s/%s*.\\(vim\\|lua\\)", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
xfree(s);
}
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = strlen(dirnames[i]) + pat_len + 22;
size_t size = strlen(dirnames[i]) + pat_len + 31;
char *s = xmalloc(size);
snprintf(s, size, "start/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
snprintf(s, size, "start/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
snprintf(s, size, "start/*/%s/%s*.\\(vim\\|lua\\)", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
xfree(s);
}
@ -1225,21 +1219,17 @@ int ExpandRTDir(char *pat, int flags, int *num_file, char ***file, char *dirname
if (flags & DIP_OPT) {
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = strlen(dirnames[i]) + pat_len + 20;
size_t size = strlen(dirnames[i]) + pat_len + 29;
char *s = xmalloc(size);
snprintf(s, size, "pack/*/opt/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
snprintf(s, size, "pack/*/opt/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
snprintf(s, size, "pack/*/opt/*/%s/%s*.\\(vim\\|lua\\)", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
xfree(s);
}
for (int i = 0; dirnames[i] != NULL; i++) {
size_t size = strlen(dirnames[i]) + pat_len + 20;
size_t size = strlen(dirnames[i]) + pat_len + 29;
char *s = xmalloc(size);
snprintf(s, size, "opt/*/%s/%s*.vim", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
snprintf(s, size, "opt/*/%s/%s*.lua", dirnames[i], pat); // NOLINT
snprintf(s, size, "opt/*/%s/%s*.\\(vim\\|lua\\)", dirnames[i], pat); // NOLINT
globpath(p_pp, s, &ga, 0);
xfree(s);
}