Add Yosys linter for Verilog files. (#3713)

* Add yosys for verilog files.

* Add handler test for yosys.

* fix typo in yosys handler test

* fix array order in yosys handler test

* add yosys linter to filetype defaults test

* fix duplicate tag

* add 'yosys' to 'ale-supported-languages-and-tools.txt'

1 files changed, 42 insertions, 0 deletions

diff --git a/ale_linters/verilog/yosys.vim b/ale_linters/verilog/yosys.vim
new file mode 100644
index 00000000..29657755
--- /dev/null
+++ b/ale_linters/verilog/yosys.vim
@@ -0,0 +1,42 @@
+" Author: Nathan Sharp <nwsharp+eda@live.com>
+" Description: Yosys for Verilog files
+
+call ale#Set('verilog_yosys_executable', 'yosys')
+call ale#Set('verilog_yosys_options', '-Q -T -p ''read_verilog %s''')
+
+function! ale_linters#verilog#yosys#GetCommand(buffer) abort
+    return '%e ' . ale#Var(a:buffer, 'verilog_yosys_options') . ' 2>&1'
+endfunction
+
+function! ale_linters#verilog#yosys#Handle(buffer, lines) abort
+    let l:output = []
+    let l:path = fnamemodify(bufname(a:buffer), ':p')
+
+    for l:match in ale#util#GetMatches(a:lines, '^\([^:]\+\):\(\d\+\): \(WARNING\|ERROR\): \(.\+\)$')
+        call add(l:output, {
+        \   'lnum': str2nr(l:match[2]),
+        \   'text': l:match[4],
+        \   'type': l:match[3][0],
+        \   'filename': l:match[1],
+        \})
+    endfor
+
+    for l:match in ale#util#GetMatches(a:lines, '^\(Warning\|ERROR\): \(.\+\)$')
+        call add(l:output, {
+        \   'lnum': 1,
+        \   'text': l:match[2],
+        \   'type': l:match[1][0],
+        \})
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('verilog', {
+\   'name': 'yosys',
+\   'output_stream': 'stdout',
+\   'executable': {b -> ale#Var(b, 'verilog_yosys_executable')},
+\   'command': function('ale_linters#verilog#yosys#GetCommand'),
+\   'callback': 'ale_linters#verilog#yosys#Handle',
+\   'lint_file': 1,
+\})