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Fix javalsp command callback.

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The command used to invoke the language server is missing some options
to include additional java modules. Without these modules the server
was not working properly.

The correct command can be found in a `launcher` script on the same
directory the `java` executable for the language server is found.

This commit changes the docs to prefer the launcher script over the java
executable. For backward compatibility it also fixes the command
invocation in case the java executable is configured.
This commit is contained in:
Horacio Sanson
2019-06-05 00:31:56 +09:00
parent 42a1fc2d29
commit 5ce97f8cdb
3 changed files with 46 additions and 8 deletions
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22
ale_linters/java/javalsp.vim
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@@ -1,7 +1,7 @@
" Author: Horacio Sanson <https://github.com/hsanson>
" Description: Support for the Java language server https://github.com/georgewfraser/vscode-javac
call ale#Set('java_javalsp_executable', 'java')
call ale#Set('java_javalsp_executable', 'launcher')
function! ale_linters#java#javalsp#Executable(buffer) abort
return ale#Var(a:buffer, 'java_javalsp_executable')
@@ -10,7 +10,25 @@ endfunction
function! ale_linters#java#javalsp#Command(buffer) abort
let l:executable = ale_linters#java#javalsp#Executable(a:buffer)
return ale#Escape(l:executable) . ' -Xverify:none -m javacs/org.javacs.Main'
if fnamemodify(l:executable, ':t') is# 'java'
" For backward compatibility.
let l:cmd = [
\ ale#Escape(l:executable),
\ '--add-exports jdk.compiler/com.sun.tools.javac.api=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.code=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.comp=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.main=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.tree=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.model=javacs',
\ '--add-exports jdk.compiler/com.sun.tools.javac.util=javacs',
\ '--add-opens jdk.compiler/com.sun.tools.javac.api=javacs',
\ '-m javacs/org.javacs.Main',
\]
return join(l:cmd, ' ')
else
return ale#Escape(l:executable)
endif
endfunction
call ale#linter#Define('java', {