cairo support (#4256)

* cairo support

* supported languages txt

* add cairo to ale.txt

1 files changed, 37 insertions, 0 deletions

diff --git a/ale_linters/cairo/starknet.vim b/ale_linters/cairo/starknet.vim
new file mode 100644
index 00000000..990bda6d
--- /dev/null
+++ b/ale_linters/cairo/starknet.vim
@@ -0,0 +1,37 @@
+" Author: 0xHyoga <0xHyoga@gmx.com>
+" Description: Report starknet-compile errors in cairo code
+
+call ale#Set('cairo_starknet_executable', 'starknet-compile')
+call ale#Set('cairo_starknet_options', '')
+
+function! ale_linters#cairo#starknet#Handle(buffer, lines) abort
+    " Error always on the first line
+    " e.g ex01.cairo:20:6: Could not find module 'contracts.utils.ex00_base'. Searched in the following paths:
+    let l:pattern = '\v\.cairo:(\d+):(\d+):+ (.*)'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        call add(l:output, {
+        \   'lnum': str2nr(l:match[1]),
+        \   'col': str2nr(l:match[2]),
+        \   'type': 'E',
+        \   'text': l:match[3],
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+function! ale_linters#cairo#starknet#GetCommand(buffer) abort
+    let l:executable = ale#Var(a:buffer, 'cairo_starknet_executable')
+
+    return l:executable . ale#Pad(ale#Var(a:buffer, 'cairo_starknet_options')) . ' %s'
+endfunction
+
+call ale#linter#Define('cairo', {
+\   'name': 'starknet',
+\   'executable': {b -> ale#Var(b, 'cairo_starknet_executable')},
+\   'command': function('ale_linters#cairo#starknet#GetCommand'),
+\   'callback': 'ale_linters#cairo#starknet#Handle',
+\   'output_stream': 'stderr',
+\})