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fix(api): load buffer first on nvim_buf_set_lines (#25823)

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Fix #22670
Fix #8659
This commit is contained in:
Raphael 2023-10-29 15:44:52 +08:00 committed by GitHub
parent 82b1a389ba
commit 0da27e9bde
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 31 additions and 8 deletions
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24
src/nvim/api/buffer.c
View File

@ -359,6 +359,14 @@ void nvim_buf_set_lines(uint64_t channel_id, Buffer buffer, Integer start, Integ
return;
}
// loaded buffer first if it's not loaded
if (buf->b_ml.ml_mfp == NULL) {
if (!buf_ensure_loaded(buf)) {
api_set_error(err, kErrorTypeException, "Failed to load buffer");
return;
}
}
bool oob = false;
start = normalize_index(buf, start, true, &oob);
end = normalize_index(buf, end, true, &oob);
@ -396,10 +404,6 @@ void nvim_buf_set_lines(uint64_t channel_id, Buffer buffer, Integer start, Integ
goto end;
}
if (!buf_ensure_loaded(buf)) {
goto end;
}
if (u_save_buf(buf, (linenr_T)(start - 1), (linenr_T)end) == FAIL) {
api_set_error(err, kErrorTypeException, "Failed to save undo information");
goto end;
@ -537,6 +541,14 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
return;
}
// loaded buffer first if it's not loaded
if (buf->b_ml.ml_mfp == NULL) {
if (!buf_ensure_loaded(buf)) {
api_set_error(err, kErrorTypeException, "Failed to load buffer");
return;
}
}
bool oob = false;
// check range is ordered and everything!
@ -645,10 +657,6 @@ void nvim_buf_set_text(uint64_t channel_id, Buffer buffer, Integer start_row, In
goto end;
}
if (!buf_ensure_loaded(buf)) {
goto end;
}
// Small note about undo states: unlike set_lines, we want to save the
// undo state of one past the end_row, since end_row is inclusive.
if (u_save_buf(buf, (linenr_T)start_row - 1, (linenr_T)end_row + 1) == FAIL) {

15
test/functional/api/buffer_spec.lua
View File

@ -713,6 +713,21 @@ describe('api/buf', function()
feed('<c-w>p')
eq(3, funcs.winnr())
end)
it('set_lines on unloaded buffer #8659 #22670', function()
local bufnr = curbuf('get_number')
meths.buf_set_lines(bufnr, 0, -1, false, {'a', 'b', 'c'})
meths.buf_set_name(bufnr, 'set_lines')
finally(function()
os.remove('set_lines')
end)
command('write!')
command('new')
command('bunload! '..bufnr)
local new_bufnr = funcs.bufnr('set_lines', true)
meths.buf_set_lines(new_bufnr, 0, -1, false, {})
eq({''}, meths.buf_get_lines(new_bufnr, 0, -1, false))
end)
end)
describe('nvim_buf_set_text', function()