Add cuda nvcc linter (#874)

* add cuda nvcc linter

1 files changed, 56 insertions, 0 deletions

diff --git a/ale_linters/cuda/nvcc.vim b/ale_linters/cuda/nvcc.vim
new file mode 100644
index 00000000..7aaa5cc3
--- /dev/null
+++ b/ale_linters/cuda/nvcc.vim
@@ -0,0 +1,56 @@
+" Author: blahgeek <i@blahgeek.com>
+" Description: NVCC linter for cuda files
+
+call ale#Set('cuda_nvcc_executable', 'nvcc')
+call ale#Set('cuda_nvcc_options', '-std=c++11')
+
+function! ale_linters#cuda#nvcc#GetExecutable(buffer) abort
+    return ale#Var(a:buffer, 'cuda_nvcc_executable')
+endfunction
+
+function! ale_linters#cuda#nvcc#GetCommand(buffer) abort
+    " Unused: use ale#util#nul_file
+    " let l:output_file = tempname() . '.ii'
+    " call ale#engine#ManageFile(a:buffer, l:output_file)
+
+    return ale#Escape(ale_linters#cuda#nvcc#GetExecutable(a:buffer))
+    \   . ' -cuda '
+    \   . ale#c#IncludeOptions(ale#c#FindLocalHeaderPaths(a:buffer))
+    \   . ale#Var(a:buffer, 'cuda_nvcc_options') . ' %s'
+    \   . ' -o ' . g:ale#util#nul_file
+endfunction
+
+function! ale_linters#cuda#nvcc#HandleNVCCFormat(buffer, lines) abort
+    " Look for lines like the following.
+    "
+    " test.cu(8): error: argument of type "void *" is incompatible with parameter of type "int *"
+    let l:pattern = '\v^([^:\(\)]+):?\(?(\d+)\)?:(\d+)?:?\s*\w*\s*(error|warning): (.+)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+
+        let l:item = {
+        \   'lnum': str2nr(l:match[2]),
+        \   'type': l:match[4] =~# 'error' ? 'E' : 'W',
+        \   'text': l:match[5],
+        \   'filename': fnamemodify(l:match[1], ':p'),
+        \}
+
+        if !empty(l:match[3])
+            let l:item.col = str2nr(l:match[3])
+        endif
+
+        call add(l:output, l:item)
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('cuda', {
+\   'name': 'nvcc',
+\   'output_stream': 'stderr',
+\   'executable_callback': 'ale_linters#cuda#nvcc#GetExecutable',
+\   'command_callback': 'ale_linters#cuda#nvcc#GetCommand',
+\   'callback': 'ale_linters#cuda#nvcc#HandleNVCCFormat',
+\   'lint_file': 1,
+\})