Fix #3183 - Escape filename characters from LSP/tsserver

autoload/ale/lsp_linter.vim

@@ -34,7 +34,11 @@ endfunction
 function! s:HandleLSPDiagnostics(conn_id, response) abort
     let l:linter_name = s:lsp_linter_map[a:conn_id]
     let l:filename = ale#path#FromURI(a:response.params.uri)
-    let l:buffer = bufnr('^' . l:filename . '$')
+    let l:escaped_name = escape(
+    \   fnameescape(l:filename),
+    \   has('win32') ? '^' : '^,}]'
+    \)
+    let l:buffer = bufnr('^' . l:escaped_name . '$')
     let l:info = get(g:ale_buffer_info, l:buffer, {})
 
     if empty(l:info)
@@ -52,7 +56,11 @@ endfunction
 
 function! s:HandleTSServerDiagnostics(response, error_type) abort
     let l:linter_name = 'tsserver'
-    let l:buffer = bufnr('^' . a:response.body.file . '$')
+    let l:escaped_name = escape(
+    \   fnameescape(a:response.body.file),
+    \   has('win32') ? '^' : '^,}]'
+    \)
+    let l:buffer = bufnr('^' . l:escaped_name . '$')
     let l:info = get(g:ale_buffer_info, l:buffer, {})
 
     if empty(l:info)

test/lsp/test_engine_lsp_response_handling.vader

@@ -44,9 +44,21 @@ After:
 Given foobar(An empty file):
 Execute(tsserver syntax error responses should be handled correctly):
   runtime ale_linters/typescript/tsserver.vim
-  call ale#test#SetFilename('filename.ts')
+
+  if has('win32')
+    call ale#test#SetFilename('filename,[]^$.ts')
+  else
+    call ale#test#SetFilename('filename*?,{}[]^$.ts')
+  endif
+
   call ale#engine#InitBufferInfo(bufnr(''))
 
+  if has('win32')
+    AssertEqual 'filename,[]^$.ts', expand('%:p:t')
+  else
+    AssertEqual 'filename*?,{}[]^$.ts', expand('%:p:t')
+  endif
+
   " When we get syntax errors and no semantic errors, we should keep the
   " syntax errors.
   call ale#lsp_linter#HandleLSPResponse(1, {
@@ -54,7 +66,7 @@ Execute(tsserver syntax error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'syntaxDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \     {
   \       'start': {
@@ -76,7 +88,7 @@ Execute(tsserver syntax error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'semanticDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \   ],
   \ },
@@ -104,7 +116,7 @@ Execute(tsserver syntax error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'syntaxDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \   ],
   \ },
@@ -146,9 +158,21 @@ Execute(tsserver syntax error responses should be handled correctly):
 
 Execute(tsserver semantic error responses should be handled correctly):
   runtime ale_linters/typescript/tsserver.vim
-  call ale#test#SetFilename('filename.ts')
+
+  if has('win32')
+    call ale#test#SetFilename('filename,[]^$.ts')
+  else
+    call ale#test#SetFilename('filename*?,{}[]^$.ts')
+  endif
+
   call ale#engine#InitBufferInfo(bufnr(''))
 
+  if has('win32')
+    AssertEqual 'filename,[]^$.ts', expand('%:p:t')
+  else
+    AssertEqual 'filename*?,{}[]^$.ts', expand('%:p:t')
+  endif
+
   " When we get syntax errors and no semantic errors, we should keep the
   " syntax errors.
   call ale#lsp_linter#HandleLSPResponse(1, {
@@ -156,7 +180,7 @@ Execute(tsserver semantic error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'syntaxDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \   ],
   \ },
@@ -166,7 +190,7 @@ Execute(tsserver semantic error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'semanticDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \     {
   \       'start': {
@@ -206,7 +230,7 @@ Execute(tsserver semantic error responses should be handled correctly):
   \ 'type': 'event',
   \ 'event': 'semanticDiag',
   \ 'body': {
-  \   'file': g:dir . '/filename.ts',
+  \   'file': expand('%:p'),
   \   'diagnostics':[
   \   ],
   \ },
@@ -270,15 +294,27 @@ Execute(tsserver errors should mark tsserver no longer active):
 Execute(LSP diagnostics responses should be handled correctly):
   let b:ale_linters = ['eclipselsp']
   runtime ale_linters/java/eclipselsp.vim
-  call ale#test#SetFilename('filename.java')
+
+  if has('win32')
+    call ale#test#SetFilename('filename,[]^$.ts')
+  else
+    call ale#test#SetFilename('filename*?,{}[]^$.java')
+  endif
+
   call ale#engine#InitBufferInfo(bufnr(''))
   call ale#lsp_linter#SetLSPLinterMap({'1': 'eclipselsp'})
 
+  if has('win32')
+    AssertEqual 'filename,[]^$.ts', expand('%:p:t')
+  else
+    AssertEqual 'filename*?,{}[]^$.java', expand('%:p:t')
+  endif
+
   call ale#lsp_linter#HandleLSPResponse(1, {
   \ 'jsonrpc':'2.0',
   \ 'method':'textDocument/publishDiagnostics',
   \ 'params': {
-  \     'uri':'file://' . g:dir . '/filename.java',
+  \     'uri': ale#path#ToURI(expand('%:p')),
   \     'diagnostics': [
   \        {
   \          'range': {