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Merge #5546 from justinmk/global-ctrlc

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ex_global: Catch CTRL-C even if it is mapped.
This commit is contained in:
Justin M. Keyes 2016-10-30 14:20:40 +01:00 committed by GitHub
commit ed198737fd
2 changed files with 109 additions and 30 deletions
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65
src/nvim/ex_cmds.c
View File

@ -4074,61 +4074,66 @@ void ex_global(exarg_T *eap)
vim_regfree(regmatch.regprog);
}
/*
* Execute "cmd" on lines marked with ml_setmarked().
*/
/// Execute `cmd` on lines marked with ml_setmarked().
void global_exe(char_u *cmd)
{
linenr_T old_lcount; /* b_ml.ml_line_count before the command */
buf_T *old_buf = curbuf; /* remember what buffer we started in */
linenr_T lnum; /* line number according to old situation */
linenr_T old_lcount; // b_ml.ml_line_count before the command
buf_T *old_buf = curbuf; // remember what buffer we started in
linenr_T lnum; // line number according to old situation
int save_mapped_ctrl_c = mapped_ctrl_c;
/*
* Set current position only once for a global command.
* If global_busy is set, setpcmark() will not do anything.
* If there is an error, global_busy will be incremented.
*/
// Set current position only once for a global command.
// If global_busy is set, setpcmark() will not do anything.
// If there is an error, global_busy will be incremented.
setpcmark();
/* When the command writes a message, don't overwrite the command. */
msg_didout = TRUE;
// When the command writes a message, don't overwrite the command.
msg_didout = true;
// Disable CTRL-C mapping, let it interrupt (potentially long output).
mapped_ctrl_c = 0;
sub_nsubs = 0;
sub_nlines = 0;
global_need_beginline = FALSE;
global_need_beginline = false;
global_busy = 1;
old_lcount = curbuf->b_ml.ml_line_count;
while (!got_int && (lnum = ml_firstmarked()) != 0 && global_busy == 1) {
curwin->w_cursor.lnum = lnum;
curwin->w_cursor.col = 0;
if (*cmd == NUL || *cmd == '\n')
if (*cmd == NUL || *cmd == '\n') {
do_cmdline((char_u *)"p", NULL, NULL, DOCMD_NOWAIT);
else
} else {
do_cmdline(cmd, NULL, NULL, DOCMD_NOWAIT);
}
os_breakcheck();
}
mapped_ctrl_c = save_mapped_ctrl_c;
global_busy = 0;
if (global_need_beginline)
if (global_need_beginline) {
beginline(BL_WHITE | BL_FIX);
else
check_cursor(); /* cursor may be beyond the end of the line */
} else {
check_cursor(); // cursor may be beyond the end of the line
}
/* the cursor may not have moved in the text but a change in a previous
* line may move it on the screen */
// the cursor may not have moved in the text but a change in a previous
// line may move it on the screen
changed_line_abv_curs();
/* If it looks like no message was written, allow overwriting the
* command with the report for number of changes. */
if (msg_col == 0 && msg_scrolled == 0)
msg_didout = FALSE;
// If it looks like no message was written, allow overwriting the
// command with the report for number of changes.
if (msg_col == 0 && msg_scrolled == 0) {
msg_didout = false;
}
/* If substitutes done, report number of substitutes, otherwise report
* number of extra or deleted lines.
* Don't report extra or deleted lines in the edge case where the buffer
* we are in after execution is different from the buffer we started in. */
if (!do_sub_msg(false) && curbuf == old_buf)
// If substitutes done, report number of substitutes, otherwise report
// number of extra or deleted lines.
// Don't report extra or deleted lines in the edge case where the buffer
// we are in after execution is different from the buffer we started in.
if (!do_sub_msg(false) && curbuf == old_buf) {
msgmore(curbuf->b_ml.ml_line_count - old_lcount);
}
}
#if defined(EXITFREE)

74
test/functional/ex_cmds/global_spec.lua Normal file
View File

@ -0,0 +1,74 @@
local helpers = require('test.functional.helpers')(after_each)
local Screen = require('test.functional.ui.screen')
local clear, feed, source = helpers.clear, helpers.feed, helpers.source
if helpers.pending_win32(pending) then return end
describe(':global', function()
before_each(function()
clear()
end)
it('is interrupted by mapped CTRL-C', function()
if os.getenv("TRAVIS") and os.getenv("CLANG_SANITIZER") == "ASAN_UBSAN" then
-- XXX: ASAN_UBSAN is too slow to react to the CTRL-C.
pending("", function() end)
return
end
source([[
set nomore
set undolevels=-1
nnoremap <C-C> <NOP>
for i in range(0, 99999)
put ='XXX'
endfor
put ='ZZZ'
1
.delete
]])
local screen = Screen.new(52, 6)
screen:attach()
screen:set_default_attr_ids({
[0] = {foreground = Screen.colors.White,
background = Screen.colors.Red},
[1] = {bold = true,
foreground = Screen.colors.SeaGreen}
})
screen:expect([[
^XXX |
XXX |
XXX |
XXX |
XXX |
|
]])
local function test_ctrl_c(ms)
feed(":global/^/p<CR>")
helpers.sleep(ms)
feed("<C-C>")
screen:expect([[
XXX |
XXX |
XXX |
XXX |
{0:Interrupted} |
Interrupt: {1:Press ENTER or type command to continue}^ |
]])
end
-- The test is time-sensitive. Try with different sleep values.
local ms_values = {10, 50, 100}
for i, ms in ipairs(ms_values) do
if i < #ms_values then
local status, _ = pcall(test_ctrl_c, ms)
if status then break end
else -- Call the last attempt directly.
test_ctrl_c(ms)
end
end
end)
end)