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Fix #124 Finish implementing command chaining, and make it work for DMD

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This commit is contained in:
w0rp
2017-02-04 18:30:30 +00:00
parent 97131262ab
commit 829f87bc6a
6 changed files with 291 additions and 72 deletions
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81
autoload/ale/engine.vim
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@@ -53,6 +53,11 @@ function! ale#engine#ClearJob(job) abort
endfunction
function! s:StopPreviousJobs(buffer, linter) abort
if !has_key(g:ale_buffer_info, a:buffer)
" Do nothing if we didn't run anything for the buffer.
return
endif
let l:new_job_list = []
for l:job in g:ale_buffer_info[a:buffer].job_list
@@ -309,25 +314,48 @@ endfunction
function! s:InvokeChain(buffer, linter, chain_index, input) abort
let l:output_stream = get(a:linter, 'output_stream', 'stdout')
let l:chain_index = a:chain_index
let l:input = a:input
if has_key(a:linter, 'command_chain')
" Run a chain of commands, one asychronous command after the other,
" so that many programs can be run in a sequence.
let l:chain_item = a:linter.command_chain[a:chain_index]
while l:chain_index < len(a:linter.command_chain)
" Run a chain of commands, one asychronous command after the other,
" so that many programs can be run in a sequence.
let l:chain_item = a:linter.command_chain[l:chain_index]
" The chain item can override the output_stream option.
if has_key(l:chain_item)
let l:output_stream = l:chain_item.output_stream
endif
" The chain item can override the output_stream option.
if has_key(l:chain_item, 'output_stream')
let l:output_stream = l:chain_item.output_stream
endif
let l:callback = ale#util#GetFunction(a:linter.callback)
if l:chain_index == 0
" The first callback in the chain takes only a buffer number.
let l:command = ale#util#GetFunction(l:chain_item.callback)(
\ a:buffer
\)
else
" The second callback in the chain takes some input too.
let l:command = ale#util#GetFunction(l:chain_item.callback)(
\ a:buffer,
\ l:input
\)
endif
if a:chain_index == 0
" The first callback in the chain takes only a buffer number.
let l:command = l:callback(a:buffer)
else
" The second callback in the chain takes some input too.
let l:command = l:callback(a:buffer, a:input)
if !empty(l:command)
" We hit a command to run, so we'll execute that
break
endif
" Command chain items can return an empty string to indicate that
" a command should be skipped, so we should try the next item
" with no input.
let l:input = []
let l:chain_index += 1
endwhile
if empty(l:command)
" Don't run any jobs if the last command is an empty string.
return
endif
elseif has_key(a:linter, 'command_callback')
" If there is a callback for generating a command, call that instead.
@@ -340,7 +368,7 @@ function! s:InvokeChain(buffer, linter, chain_index, input) abort
\ 'buffer': a:buffer,
\ 'linter': a:linter,
\ 'output_stream': l:output_stream,
\ 'next_chain_index': a:chain_index + 1,
\ 'next_chain_index': l:chain_index + 1,
\})
endfunction
@@ -406,4 +434,27 @@ function! ale#engine#WaitForJobs(deadline) abort
" prevents the occasional failure where this function exits after jobs
" end, but before handlers are run.
sleep 10ms
" We must check the buffer data again to see if new jobs started
" for command_chain linters.
let l:has_new_jobs = 0
for l:info in values(g:ale_buffer_info)
if !empty(l:info.job_list)
let l:has_new_jobs = 1
endif
endfor
if l:has_new_jobs
" We have to wait more. Offset the timeout by the time taken so far.
let l:now = system('date +%s%3N') + 0
let l:new_deadline = a:deadline - (l:now - l:start_time)
if l:new_deadline <= 0
" Enough time passed already, so stop immediately.
throw 'Jobs did not complete on time!'
endif
call ale#engine#WaitForJobs(l:new_deadline)
endif
endfunction