Add a thriftcheck linter (#3852)

ThriftCheck (https://github.com/pinterest/thriftcheck) is a linter for
Thrift IDL files.

1 files changed, 46 insertions, 0 deletions

diff --git a/ale_linters/thrift/thriftcheck.vim b/ale_linters/thrift/thriftcheck.vim
new file mode 100644
index 00000000..7b8cbee1
--- /dev/null
+++ b/ale_linters/thrift/thriftcheck.vim
@@ -0,0 +1,46 @@
+" Author: Jon Parise <jon@indelible.org>
+
+call ale#Set('thrift_thriftcheck_executable', 'thriftcheck')
+call ale#Set('thrift_thriftcheck_options', '')
+
+function! ale_linters#thrift#thriftcheck#GetCommand(buffer) abort
+    return '%e'
+    \   . ale#Pad(ale#Var(a:buffer, 'thrift_thriftcheck_options'))
+    \   . ' --stdin-filename %s'
+    \   . ' %t'
+endfunction
+
+function! ale_linters#thrift#thriftcheck#Handle(buffer, lines) abort
+    " Matches lines like the following:
+    "
+    " file.thrift:1:1:error: "py" namespace must match "^idl\\." (namespace.pattern)
+    " file.thrift:3:5:warning: 64-bit integer constant -2147483649 may not work in all languages (int.64bit)
+    let l:pattern = '\v^[a-zA-Z]?:?[^:]+:(\d+):(\d+):(\l+): (.*) \((.*)\)$'
+
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:pattern)
+        if l:match[3] is# 'warning'
+            let l:type = 'W'
+        else
+            let l:type = 'E'
+        endif
+
+        call add(l:output, {
+        \   'lnum': l:match[1] + 0,
+        \   'col': l:match[2] + 0,
+        \   'type': l:type,
+        \   'text': l:match[4],
+        \   'code': l:match[5],
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('thrift', {
+\   'name': 'thriftcheck',
+\   'executable': {b -> ale#Var(b, 'thrift_thriftcheck_executable')},
+\   'command': function('ale_linters#thrift#thriftcheck#GetCommand'),
+\   'callback': 'ale_linters#thrift#thriftcheck#Handle',
+\})