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vim-patch:9.0.0601: too much indent (#23472)

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Problem:    Too much indent.
Solution:   Return out early from a funtion. (Yegappan Lakshmanan,
            close vim/vim#11238)

368aa69088

Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
This commit is contained in:
zeertzjq
2023-05-04 19:07:54 +08:00
committed by GitHub
parent 7ae57435be
commit fe7cdc7cc0
1 changed files with 64 additions and 45 deletions
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109
src/nvim/eval/typval.c
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@@ -2776,58 +2776,77 @@ bool tv_blob_equal(const blob_T *const b1, const blob_T *const b2)
return true;
}
/// Returns a slice of "blob" from index "n1" to "n2" in "rettv". The length of
/// the blob is "len". Returns an empty blob if the indexes are out of range.
static int tv_blob_slice(const blob_T *blob, int len, varnumber_T n1, varnumber_T n2,
bool exclusive, typval_T *rettv)
{
// The resulting variable is a sub-blob. If the indexes
// are out of range the result is empty.
if (n1 < 0) {
n1 = len + n1;
if (n1 < 0) {
n1 = 0;
}
}
if (n2 < 0) {
n2 = len + n2;
} else if (n2 >= len) {
n2 = len - (exclusive ? 0 : 1);
}
if (exclusive) {
n2--;
}
if (n1 >= len || n2 < 0 || n1 > n2) {
tv_clear(rettv);
rettv->v_type = VAR_BLOB;
rettv->vval.v_blob = NULL;
} else {
blob_T *const new_blob = tv_blob_alloc();
ga_grow(&new_blob->bv_ga, (int)(n2 - n1 + 1));
new_blob->bv_ga.ga_len = (int)(n2 - n1 + 1);
for (int i = (int)n1; i <= (int)n2; i++) {
tv_blob_set(new_blob, i - (int)n1, tv_blob_get(rettv->vval.v_blob, i));
}
tv_clear(rettv);
tv_blob_set_ret(rettv, new_blob);
}
return OK;
}
/// Return the byte value in "blob" at index "idx" in "rettv". If the index is
/// too big or negative that is an error. The length of the blob is "len".
static int tv_blob_index(const blob_T *blob, int len, varnumber_T idx, typval_T *rettv)
{
// The resulting variable is a byte value.
// If the index is too big or negative that is an error.
if (idx < 0) {
idx = len + idx;
}
if (idx < len && idx >= 0) {
const int v = (int)tv_blob_get(rettv->vval.v_blob, (int)idx);
tv_clear(rettv);
rettv->v_type = VAR_NUMBER;
rettv->vval.v_number = v;
} else {
semsg(_(e_blobidx), idx);
return FAIL;
}
return OK;
}
int tv_blob_slice_or_index(const blob_T *blob, int is_range, varnumber_T n1, varnumber_T n2,
bool exclusive, typval_T *rettv)
{
int len = tv_blob_len(rettv->vval.v_blob);
if (is_range) {
// The resulting variable is a sub-blob. If the indexes
// are out of range the result is empty.
if (n1 < 0) {
n1 = len + n1;
if (n1 < 0) {
n1 = 0;
}
}
if (n2 < 0) {
n2 = len + n2;
} else if (n2 >= len) {
n2 = len - (exclusive ? 0 : 1);
}
if (exclusive) {
n2--;
}
if (n1 >= len || n2 < 0 || n1 > n2) {
tv_clear(rettv);
rettv->v_type = VAR_BLOB;
rettv->vval.v_blob = NULL;
} else {
blob_T *const new_blob = tv_blob_alloc();
ga_grow(&new_blob->bv_ga, (int)(n2 - n1 + 1));
new_blob->bv_ga.ga_len = (int)(n2 - n1 + 1);
for (int i = (int)n1; i <= (int)n2; i++) {
tv_blob_set(new_blob, i - (int)n1, tv_blob_get(rettv->vval.v_blob, i));
}
tv_clear(rettv);
tv_blob_set_ret(rettv, new_blob);
}
return tv_blob_slice(blob, len, n1, n2, exclusive, rettv);
} else {
// The resulting variable is a byte value.
// If the index is too big or negative that is an error.
if (n1 < 0) {
n1 = len + n1;
}
if (n1 < len && n1 >= 0) {
const int v = (int)tv_blob_get(rettv->vval.v_blob, (int)n1);
tv_clear(rettv);
rettv->v_type = VAR_NUMBER;
rettv->vval.v_number = v;
} else {
semsg(_(e_blobidx), (int64_t)n1);
return FAIL;
}
return tv_blob_index(blob, len, n1, rettv);
}
return OK;
}
/// Check if "n1" is a valid index for a blob with length "bloblen".