mirror of
https://github.com/textmate/textmate.git
synced 2026-01-23 21:57:54 -05:00
330 lines
12 KiB
Plaintext
330 lines
12 KiB
Plaintext
#include "runner.h"
|
|
#include <OakSystem/application.h>
|
|
#include <OakSystem/process.h>
|
|
#include <OakFoundation/NSString Additions.h>
|
|
#include <io/path.h>
|
|
#include <io/pipe.h>
|
|
#include <regexp/format_string.h>
|
|
#include <oak/datatypes.h>
|
|
|
|
OAK_DEBUG_VAR(Command_Runner);
|
|
|
|
static std::string trim_right (std::string const& str, std::string const& trimChars = " \t\n")
|
|
{
|
|
std::string::size_type len = str.find_last_not_of(trimChars);
|
|
return len == std::string::npos ? "" : str.substr(0, len+1);
|
|
}
|
|
|
|
static std::tuple<pid_t, int, int> my_fork (char const* cmd, int inputRead, std::map<std::string, std::string> const& environment, char const* workingDir)
|
|
{
|
|
for(auto const& pair : environment)
|
|
{
|
|
if(pair.first.size() + pair.second.size() + 2 >= ARG_MAX)
|
|
fprintf(stderr, "*** variable exceeds ARG_MAX: %s\n", pair.first.c_str());
|
|
}
|
|
|
|
int outputRead, outputWrite, errorRead, errorWrite;
|
|
std::tie(outputRead, outputWrite) = io::create_pipe();
|
|
std::tie(errorRead, errorWrite) = io::create_pipe();
|
|
|
|
oak::c_array env(environment);
|
|
|
|
pid_t pid = vfork();
|
|
if(pid == 0)
|
|
{
|
|
int const signals[] = { SIGINT, SIGTERM, SIGPIPE, SIGUSR1 };
|
|
for(int sig : signals) signal(sig, SIG_DFL);
|
|
|
|
int const oldOutErr[] = { STDIN_FILENO, STDOUT_FILENO, STDERR_FILENO };
|
|
int const newOutErr[] = { inputRead, outputWrite, errorWrite };
|
|
|
|
for(int fd = getdtablesize(); --fd > STDERR_FILENO; )
|
|
{
|
|
int flags = fcntl(fd, F_GETFD);
|
|
if((flags == -1 && errno == EBADF) || (flags & FD_CLOEXEC) == FD_CLOEXEC)
|
|
continue;
|
|
|
|
if(close(fd) == -1)
|
|
perror("error closing fd after fork:");
|
|
}
|
|
|
|
for(int fd : oldOutErr) close(fd);
|
|
for(int fd : newOutErr) dup(fd);
|
|
|
|
setpgid(0, getpid());
|
|
chdir(workingDir);
|
|
|
|
char* argv[] = { (char*)cmd, NULL };
|
|
execve(argv[0], argv, env);
|
|
perror("interpreter failed");
|
|
_exit(EXIT_FAILURE);
|
|
}
|
|
|
|
int const fds[] = { inputRead, outputWrite, errorWrite };
|
|
for(int fd : fds) close(fd);
|
|
|
|
return { pid, outputRead, errorRead };
|
|
}
|
|
|
|
static void exhaust_fd_in_queue (dispatch_group_t group, dispatch_queue_t queue, int fd, void(^handler)(char const* bytes, size_t len))
|
|
{
|
|
dispatch_group_async(group, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
char buf[8192];
|
|
ssize_t len = 0;
|
|
while((len = read(fd, buf, sizeof(buf))) > 0)
|
|
{
|
|
char const* bytes = buf;
|
|
dispatch_sync(queue, ^{
|
|
handler(bytes, len);
|
|
});
|
|
}
|
|
if(len == -1)
|
|
perror("read");
|
|
close(fd);
|
|
});
|
|
}
|
|
|
|
static pid_t run_command (dispatch_group_t rootGroup, std::string const& cmd, int stdinFd, std::map<std::string, std::string> const& env, std::string const& cwd, dispatch_queue_t queue, void(^stdoutHandler)(char const* bytes, size_t len), void(^stderrHandler)(char const* bytes, size_t len), void(^completionHandler)(int status))
|
|
{
|
|
pid_t pid;
|
|
int outputFd, errorFd;
|
|
std::tie(pid, outputFd, errorFd) = my_fork(cmd.c_str(), stdinFd, env, cwd.c_str());
|
|
|
|
dispatch_group_t group = dispatch_group_create();
|
|
exhaust_fd_in_queue(group, queue, outputFd, stdoutHandler);
|
|
exhaust_fd_in_queue(group, queue, errorFd, stderrHandler);
|
|
|
|
__block int status = 0;
|
|
dispatch_group_async(group, dispatch_get_global_queue(DISPATCH_QUEUE_PRIORITY_DEFAULT, 0), ^{
|
|
if(waitpid(pid, &status, 0) != pid)
|
|
perror("waitpid");
|
|
});
|
|
|
|
dispatch_retain(rootGroup);
|
|
dispatch_group_enter(rootGroup);
|
|
dispatch_group_notify(group, queue, ^{
|
|
completionHandler(status);
|
|
dispatch_group_leave(rootGroup);
|
|
dispatch_release(rootGroup);
|
|
});
|
|
dispatch_release(group);
|
|
|
|
return pid;
|
|
}
|
|
|
|
namespace command
|
|
{
|
|
void fix_shebang (std::string* command)
|
|
{
|
|
if(command->substr(0, 2) != "#!")
|
|
command->insert(0, "#!/usr/bin/env bash\n[[ -f \"${TM_SUPPORT_PATH}/lib/bash_init.sh\" ]] && . \"${TM_SUPPORT_PATH}/lib/bash_init.sh\"\n\n");
|
|
}
|
|
|
|
// ==================
|
|
// = Command Runner =
|
|
// ==================
|
|
|
|
runner_t::runner_t (bundle_command_t const& command, ng::buffer_t const& buffer, ng::ranges_t const& selection, std::map<std::string, std::string> const& environment, std::string const& pwd, delegate_ptr delegate) : _command(command), _environment(environment), _directory(pwd), _delegate(delegate), _input_was_selection(false), _did_detach(false)
|
|
{
|
|
_dispatch_group = dispatch_group_create();
|
|
fix_shebang(&_command.command);
|
|
}
|
|
|
|
runner_t::~runner_t ()
|
|
{
|
|
dispatch_release(_dispatch_group);
|
|
}
|
|
|
|
runner_ptr runner (bundle_command_t const& command, ng::buffer_t const& buffer, ng::ranges_t const& selection, std::map<std::string, std::string> const& environment, delegate_ptr delegate, std::string const& pwd)
|
|
{
|
|
return std::make_shared<runner_t>(command, buffer, selection, environment, pwd, delegate);
|
|
}
|
|
|
|
void runner_t::launch (dispatch_queue_t queue)
|
|
{
|
|
ASSERT(_delegate);
|
|
ASSERT(_command.command.find("#!") == 0);
|
|
|
|
_temp_path = path::temp("command", _command.command);
|
|
ASSERT(_temp_path != NULL_STR);
|
|
|
|
int stdinRead, stdinWrite;
|
|
std::tie(stdinRead, stdinWrite) = io::create_pipe();
|
|
_input_range = _command.input == input::nothing ? (close(stdinWrite), ng::range_t()) : _delegate->write_unit_to_fd(stdinWrite, _command.input, _command.input_fallback, _command.input_format, _command.scope_selector, _environment, &_input_was_selection);
|
|
|
|
auto textOutHandler = ^(char const* bytes, size_t len) { _out.insert(_out.end(), bytes, bytes + len); };
|
|
auto htmlOutHandler = ^(char const* bytes, size_t len) { send_html_data(bytes, len); };
|
|
auto stderrHandler = ^(char const* bytes, size_t len) { _err.insert(_err.end(), bytes, bytes + len); };
|
|
|
|
runner_ptr runner = shared_from_this();
|
|
auto completionHandler = ^(int rc) {
|
|
runner->did_exit(rc);
|
|
|
|
// Wake up our local event loop (if it is running)
|
|
[NSApp postEvent:[NSEvent otherEventWithType:NSApplicationDefined location:NSZeroPoint modifierFlags:0 timestamp:0 windowNumber:0 context:NULL subtype:0 data1:0 data2:0] atStart:NO];
|
|
};
|
|
|
|
bool hasHTMLOutput = _command.output == output::new_window && _command.output_format == output_format::html;
|
|
_process_id = run_command(_dispatch_group, _temp_path, stdinRead, _environment, _directory, queue, hasHTMLOutput ? htmlOutHandler : textOutHandler, stderrHandler, completionHandler);
|
|
|
|
if(hasHTMLOutput)
|
|
{
|
|
_delegate->detach();
|
|
_did_detach = true;
|
|
}
|
|
}
|
|
|
|
void runner_t::send_html_data (char const* bytes, size_t len)
|
|
{
|
|
_did_send_html = true;
|
|
_delegate->accept_html_data(shared_from_this(), bytes, len);
|
|
_callbacks(&callback_t::output, shared_from_this(), bytes, len);
|
|
}
|
|
|
|
void runner_t::wait ()
|
|
{
|
|
NSMutableArray* queuedEvents = [NSMutableArray array];
|
|
while(_process_id != -1 && !_did_detach)
|
|
{
|
|
if(NSEvent* event = [NSApp nextEventMatchingMask:NSAnyEventMask untilDate:[NSDate distantFuture] inMode:NSDefaultRunLoopMode dequeue:YES])
|
|
{
|
|
static NSEventType const events[] = { NSLeftMouseDown, NSLeftMouseUp, NSRightMouseDown, NSRightMouseUp, NSOtherMouseDown, NSOtherMouseUp, NSLeftMouseDragged, NSRightMouseDragged, NSOtherMouseDragged, NSKeyDown, NSKeyUp, NSFlagsChanged };
|
|
if(!oak::contains(std::begin(events), std::end(events), [event type]))
|
|
{
|
|
[NSApp sendEvent:event];
|
|
}
|
|
else if([event type] == NSKeyDown && (([[event charactersIgnoringModifiers] isEqualToString:@"c"] && ([event modifierFlags] & (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask)) == NSControlKeyMask) || ([[event charactersIgnoringModifiers] isEqualToString:@"."] && ([event modifierFlags] & (NSShiftKeyMask|NSControlKeyMask|NSAlternateKeyMask|NSCommandKeyMask)) == NSCommandKeyMask)))
|
|
{
|
|
NSInteger choice = NSRunAlertPanel([NSString stringWithFormat:@"Stop “%@”", [NSString stringWithCxxString:_command.name]], @"Would you like to kill the current shell command?", @"Kill Command", @"Cancel", nil);
|
|
if(choice == NSAlertDefaultReturn) // "Kill Command"
|
|
{
|
|
_user_abort = true;
|
|
oak::kill_process_group_in_background(process_id());
|
|
}
|
|
}
|
|
else
|
|
{
|
|
[queuedEvents addObject:event];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
for(NSEvent* event in queuedEvents)
|
|
[NSApp postEvent:event atStart:NO];
|
|
}
|
|
|
|
void runner_t::wait_for_command ()
|
|
{
|
|
ASSERT(dispatch_get_main_queue() != dispatch_get_current_queue());
|
|
dispatch_group_wait(_dispatch_group, DISPATCH_TIME_FOREVER);
|
|
}
|
|
|
|
void runner_t::did_exit (int status)
|
|
{
|
|
D(DBF_Command_Runner, bug("%d\n", status););
|
|
if(WIFSIGNALED(status))
|
|
fprintf(stderr, "*** process terminated: %s\n", strsignal(WTERMSIG(status)));
|
|
else if(!WIFEXITED(status))
|
|
fprintf(stderr, "*** process terminated abnormally %d\n", status);
|
|
|
|
_process_id = -1;
|
|
|
|
std::string newOut, newErr;
|
|
oak::replace_copy(_out.begin(), _out.end(), _temp_path.begin(), _temp_path.end(), _command.name.begin(), _command.name.end(), back_inserter(newOut));
|
|
oak::replace_copy(_err.begin(), _err.end(), _temp_path.begin(), _temp_path.end(), _command.name.begin(), _command.name.end(), back_inserter(newErr));
|
|
newOut.swap(_out);
|
|
newErr.swap(_err);
|
|
|
|
unlink(_temp_path.c_str());
|
|
_temp_path = NULL_STR;
|
|
|
|
output::type placement = _command.output;
|
|
output_format::type format = _command.output_format;
|
|
output_caret::type outputCaret = _command.output_caret;
|
|
|
|
int rc = WIFEXITED(status) ? WEXITSTATUS(status) : (WIFSIGNALED(status) ? 0 : -1);
|
|
enum { exit_discard = 200, exit_replace_text, exit_replace_document, exit_insert_text, exit_insert_snippet, exit_show_html, exit_show_tool_tip, exit_create_new_document };
|
|
switch(rc)
|
|
{
|
|
case exit_discard: placement = output::discard; break;
|
|
case exit_replace_text: placement = output::replace_input; format = output_format::text; outputCaret = output_caret::heuristic; break;
|
|
case exit_replace_document: placement = output::replace_document; format = output_format::text; outputCaret = output_caret::interpolate_by_line; break;
|
|
case exit_insert_text: placement = output::after_input; format = output_format::text; outputCaret = output_caret::after_output; break;
|
|
case exit_insert_snippet: placement = _command.input == input::selection ? output::replace_input : output::after_input; format = output_format::snippet; break;
|
|
case exit_show_html: placement = output::new_window; format = output_format::html; break;
|
|
case exit_show_tool_tip: placement = output::tool_tip; format = output_format::text; break;
|
|
case exit_create_new_document: placement = output::new_window; format = output_format::text; break;
|
|
}
|
|
|
|
D(DBF_Command_Runner, bug("placement %d, format %d\n", placement, format););
|
|
if(rc != 0 && !_user_abort && !(200 <= rc && rc <= 207))
|
|
{
|
|
_delegate->show_error(_command, rc, _out, _err);
|
|
}
|
|
else if(placement == output::new_window)
|
|
{
|
|
if(format == output_format::text)
|
|
{
|
|
_delegate->show_document(_err + _out);
|
|
}
|
|
else if(format == output_format::html)
|
|
{
|
|
bool outputWasHTML = _command.output == output::new_window && _command.output_format == output_format::html;
|
|
if(!outputWasHTML)
|
|
send_html_data(_out.data(), _out.size());
|
|
|
|
if(!_err.empty())
|
|
send_html_data(_err.data(), _err.size());
|
|
}
|
|
}
|
|
else if(placement == output::tool_tip)
|
|
{
|
|
std::string str = trim_right(_err + _out);
|
|
if(!str.empty())
|
|
_delegate->show_tool_tip(str);
|
|
}
|
|
else if(placement != output::discard)
|
|
{
|
|
if(outputCaret == output_caret::heuristic)
|
|
{
|
|
if(_command.input == input::selection && _input_was_selection)
|
|
outputCaret = output_caret::select_output;
|
|
else if(_command.input == input::selection && (_command.input_fallback == input::line || _command.input_fallback == input::word || _command.input_fallback == input::scope))
|
|
outputCaret = output_caret::interpolate_by_char;
|
|
else if(_command.input == input::selection && (_command.input_fallback == input::entire_document))
|
|
outputCaret = output_caret::interpolate_by_line;
|
|
else
|
|
outputCaret = output_caret::after_output;
|
|
}
|
|
|
|
if(!_input_range)
|
|
{
|
|
switch(placement)
|
|
{
|
|
case output::after_input: placement = output::at_caret; break;
|
|
case output::replace_input: placement = output::replace_selection; break;
|
|
}
|
|
}
|
|
|
|
if(format == output_format::snippet && _command.disable_output_auto_indent)
|
|
format = output_format::snippet_no_auto_indent;
|
|
|
|
_delegate->accept_result(_out, placement, format, outputCaret, _input_range, _environment);
|
|
}
|
|
else if(_did_send_html)
|
|
{
|
|
_delegate->discard_html();
|
|
}
|
|
|
|
_delegate->done();
|
|
_delegate.reset();
|
|
|
|
_callbacks(&callback_t::done, shared_from_this());
|
|
}
|
|
|
|
} /* command */
|