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-rw-r--r--README.md2
-rw-r--r--ale_linters/lua/luac.vim40
-rw-r--r--doc/ale-lua.txt9
-rw-r--r--doc/ale.txt3
-rw-r--r--test/command_callback/test_luac_command_callback.vader16
-rw-r--r--test/handler/test_luac_handler.vader36
-rw-r--r--test/handler/test_luacheck_handler.vader (renamed from test/handler/test_lua_handler.vader)0
7 files changed, 104 insertions, 2 deletions
diff --git a/README.md b/README.md
index 55be933a..c393e499 100644
--- a/README.md
+++ b/README.md
@@ -118,7 +118,7 @@ formatting.
| LaTeX | [alex](https://github.com/wooorm/alex) !!, [chktex](http://www.nongnu.org/chktex/), [lacheck](https://www.ctan.org/pkg/lacheck), [proselint](http://proselint.com/), [redpen](http://redpen.cc/), [vale](https://github.com/ValeLint/vale), [write-good](https://github.com/btford/write-good) |
| Less | [lessc](https://www.npmjs.com/package/less), [prettier](https://github.com/prettier/prettier), [stylelint](https://github.com/stylelint/stylelint) |
| LLVM | [llc](https://llvm.org/docs/CommandGuide/llc.html) |
-| Lua | [luacheck](https://github.com/mpeterv/luacheck) |
+| Lua | [luac](https://www.lua.org/manual/5.1/luac.html), [luacheck](https://github.com/mpeterv/luacheck) |
| Mail | [alex](https://github.com/wooorm/alex) !!, [proselint](http://proselint.com/), [vale](https://github.com/ValeLint/vale) |
| Make | [checkmake](https://github.com/mrtazz/checkmake) |
| Markdown | [alex](https://github.com/wooorm/alex) !!, [mdl](https://github.com/mivok/markdownlint), [proselint](http://proselint.com/), [redpen](http://redpen.cc/), [remark-lint](https://github.com/wooorm/remark-lint) !!, [vale](https://github.com/ValeLint/vale), [write-good](https://github.com/btford/write-good) |
diff --git a/ale_linters/lua/luac.vim b/ale_linters/lua/luac.vim
new file mode 100644
index 00000000..4a6bb403
--- /dev/null
+++ b/ale_linters/lua/luac.vim
@@ -0,0 +1,40 @@
+" Author: Jon Xie https://github.com/xiejiangzhi
+" Description: luac linter for lua files
+
+call ale#Set('lua_luac_executable', 'luac')
+
+function! ale_linters#lua#luac#GetExecutable(buffer) abort
+ return ale#Var(a:buffer, 'lua_luac_executable')
+endfunction
+
+function! ale_linters#lua#luac#GetCommand(buffer) abort
+ let l:executable = ale_linters#lua#luac#GetExecutable(a:buffer)
+ return ale#Escape(l:executable) . ' -p - '
+endfunction
+
+function! ale_linters#lua#luac#Handle(buffer, lines) abort
+ " Matches patterns line the following:
+ "
+ " luac: stdin:5: '=' expected near ')'
+ " luac: stdin:8: ')' expected (to close '(' at line 6) near '123'
+ let l:pattern = '\v^.*:(\d+): (.+)$'
+ let l:output = []
+
+ for l:match in ale#util#GetMatches(a:lines, l:pattern)
+ call add(l:output, {
+ \ 'lnum': l:match[1] + 0,
+ \ 'type': 'E',
+ \ 'text': l:match[2],
+ \})
+ endfor
+
+ return l:output
+endfunction
+
+call ale#linter#Define('lua', {
+\ 'name': 'luac',
+\ 'executable_callback': 'ale_linters#lua#luac#GetExecutable',
+\ 'command_callback': 'ale_linters#lua#luac#GetCommand',
+\ 'output_stream': 'stderr',
+\ 'callback': 'ale_linters#lua#luac#Handle',
+\})
diff --git a/doc/ale-lua.txt b/doc/ale-lua.txt
index 74d6b94a..b6fab379 100644
--- a/doc/ale-lua.txt
+++ b/doc/ale-lua.txt
@@ -1,6 +1,15 @@
===============================================================================
ALE Lua Integration *ale-lua-options*
+===============================================================================
+luac *ale-lua-luac*
+
+g:ale_lua_luac_executable *g:ale_lua_luac_executable*
+ *b:ale_lua_luac_executable*
+ Type: |String|
+ Default: `'luac'`
+
+ This variable can be changed to change the path to luac.
===============================================================================
luacheck *ale-lua-luacheck*
diff --git a/doc/ale.txt b/doc/ale.txt
index 25c1abe0..6cebbce6 100644
--- a/doc/ale.txt
+++ b/doc/ale.txt
@@ -125,6 +125,7 @@ CONTENTS *ale-contents*
llvm..................................|ale-llvm-options|
llc.................................|ale-llvm-llc|
lua...................................|ale-lua-options|
+ luac................................|ale-lua-luac|
luacheck............................|ale-lua-luacheck|
markdown..............................|ale-markdown-options|
write-good..........................|ale-markdown-write-good|
@@ -323,7 +324,7 @@ Notes:
* LaTeX (tex): `alex`!!, `chktex`, `lacheck`, `proselint`, `redpen`, `vale`, `write-good`
* Less: `lessc`, `prettier`, `stylelint`
* LLVM: `llc`
-* Lua: `luacheck`
+* Lua: `luac`, `luacheck`
* Mail: `alex`!!, `proselint`, `vale`
* Make: `checkmake`
* Markdown: `alex`!!, `mdl`, `proselint`, `redpen`, `remark-lint`, `vale`, `write-good`
diff --git a/test/command_callback/test_luac_command_callback.vader b/test/command_callback/test_luac_command_callback.vader
new file mode 100644
index 00000000..f9eb4d3f
--- /dev/null
+++ b/test/command_callback/test_luac_command_callback.vader
@@ -0,0 +1,16 @@
+Before:
+ runtime ale_linters/lua/luac.vim
+
+After:
+ call ale#linter#Reset()
+
+Execute(The default command should be correct):
+ AssertEqual ale#Escape('luac') . ' -p -',
+ \ join(split(ale_linters#lua#luac#GetCommand(1)))
+
+Execute(The luac executable should be configurable):
+ let g:ale_lua_luac_executable = 'luac.sh'
+
+ AssertEqual 'luac.sh', ale_linters#lua#luac#GetExecutable(1)
+ AssertEqual ale#Escape('luac.sh') . ' -p -',
+ \ join(split(ale_linters#lua#luac#GetCommand(1)))
diff --git a/test/handler/test_luac_handler.vader b/test/handler/test_luac_handler.vader
new file mode 100644
index 00000000..3a2e769c
--- /dev/null
+++ b/test/handler/test_luac_handler.vader
@@ -0,0 +1,36 @@
+Before:
+ Save g:ale_warn_about_trailing_whitespace
+
+ let g:ale_warn_about_trailing_whitespace = 1
+
+ runtime ale_linters/lua/luac.vim
+
+After:
+ Restore
+ call ale#linter#Reset()
+
+Execute(The luac handler should parse lines correctly):
+ AssertEqual
+ \ [
+ \ {
+ \ 'lnum': 1,
+ \ 'text': 'line contains trailing whitespace',
+ \ 'type': 'E',
+ \ },
+ \ {
+ \ 'lnum': 3,
+ \ 'text': 'unexpected symbol near ''-''',
+ \ 'type': 'E',
+ \ },
+ \ {
+ \ 'lnum': 5,
+ \ 'text': '''='' expected near '')''',
+ \ 'type': 'E',
+ \ },
+ \ ],
+ \ ale_linters#lua#luac#Handle(347, [
+ \ 'luac /file/path/here.lua:1: line contains trailing whitespace',
+ \ 'luac /file/path/here.lua:3: unexpected symbol near ''-''',
+ \ 'luac /file/path/here.lua:5: ''='' expected near '')''',
+ \ ])
+
diff --git a/test/handler/test_lua_handler.vader b/test/handler/test_luacheck_handler.vader
index 7cebb017..7cebb017 100644
--- a/test/handler/test_lua_handler.vader
+++ b/test/handler/test_luacheck_handler.vader