#1167 Use the make -n parsing for C++ compilers, and document the new option

2 files changed, 14 insertions, 8 deletions

diff --git a/ale_linters/cpp/clang.vim b/ale_linters/cpp/clang.vim
index 105df821..e8d96187 100644
--- a/ale_linters/cpp/clang.vim
+++ b/ale_linters/cpp/clang.vim
@@ -8,15 +8,15 @@ function! ale_linters#cpp#clang#GetExecutable(buffer) abort
     return ale#Var(a:buffer, 'cpp_clang_executable')
 endfunction
 
-function! ale_linters#cpp#clang#GetCommand(buffer) abort
-    let l:paths = ale#c#FindLocalHeaderPaths(a:buffer)
+function! ale_linters#cpp#clang#GetCommand(buffer, output) abort
+    let l:cflags = ale#c#GetCFlags(a:buffer, a:output)
 
     " -iquote with the directory the file is in makes #include work for
     "  headers in the same directory.
     return ale#Escape(ale_linters#cpp#clang#GetExecutable(a:buffer))
     \   . ' -S -x c++ -fsyntax-only '
     \   . '-iquote ' . ale#Escape(fnamemodify(bufname(a:buffer), ':p:h')) . ' '
-    \   . ale#c#IncludeOptions(l:paths)
+    \   . l:cflags
     \   . ale#Var(a:buffer, 'cpp_clang_options') . ' -'
 endfunction
 
@@ -24,6 +24,9 @@ call ale#linter#Define('cpp', {
 \   'name': 'clang',
 \   'output_stream': 'stderr',
 \   'executable_callback': 'ale_linters#cpp#clang#GetExecutable',
-\   'command_callback': 'ale_linters#cpp#clang#GetCommand',
+\   'command_chain': [
+\       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
+\       {'callback': 'ale_linters#cpp#clang#GetCommand'},
+\   ],
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \})
diff --git a/ale_linters/cpp/gcc.vim b/ale_linters/cpp/gcc.vim
index 40dffc98..577c9f79 100644
--- a/ale_linters/cpp/gcc.vim
+++ b/ale_linters/cpp/gcc.vim
@@ -8,15 +8,15 @@ function! ale_linters#cpp#gcc#GetExecutable(buffer) abort
     return ale#Var(a:buffer, 'cpp_gcc_executable')
 endfunction
 
-function! ale_linters#cpp#gcc#GetCommand(buffer) abort
-    let l:paths = ale#c#FindLocalHeaderPaths(a:buffer)
+function! ale_linters#cpp#gcc#GetCommand(buffer, output) abort
+    let l:cflags = ale#c#GetCFlags(a:buffer, a:output)
 
     " -iquote with the directory the file is in makes #include work for
     "  headers in the same directory.
     return ale#Escape(ale_linters#cpp#gcc#GetExecutable(a:buffer))
     \   . ' -S -x c++ -fsyntax-only '
     \   . '-iquote ' . ale#Escape(fnamemodify(bufname(a:buffer), ':p:h')) . ' '
-    \   . ale#c#IncludeOptions(l:paths)
+    \   . l:cflags
     \   . ale#Var(a:buffer, 'cpp_gcc_options') . ' -'
 endfunction
 
@@ -24,6 +24,9 @@ call ale#linter#Define('cpp', {
 \   'name': 'g++',
 \   'output_stream': 'stderr',
 \   'executable_callback': 'ale_linters#cpp#gcc#GetExecutable',
-\   'command_callback': 'ale_linters#cpp#gcc#GetCommand',
+\   'command_chain': [
+\       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
+\       {'callback': 'ale_linters#cpp#gcc#GetCommand'},
+\   ],
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \})