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-rw-r--r--autoload/ale/handlers/gcc.vim19
-rw-r--r--test/handler/test_gcc_handler.vader35
2 files changed, 53 insertions, 1 deletions
diff --git a/autoload/ale/handlers/gcc.vim b/autoload/ale/handlers/gcc.vim
index ec16b977..0b37c98a 100644
--- a/autoload/ale/handlers/gcc.vim
+++ b/autoload/ale/handlers/gcc.vim
@@ -10,7 +10,7 @@ let s:pragma_error = '#pragma once in main file'
" <stdin>:8:5: warning: conversion lacks type at end of format [-Wformat=]
" <stdin>:10:27: error: invalid operands to binary - (have ‘int’ and ‘char *’)
" -:189:7: note: $/${} is unnecessary on arithmetic variables. [SC2004]
-let s:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+)?:? ([^:]+): (.+)$'
+let s:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+)?:?(\d+)?:? ([^:]+): (.+)$'
let s:inline_pattern = '\v inlined from .* at \<stdin\>:(\d+):(\d+):$'
function! s:IsHeaderFile(filename) abort
@@ -117,6 +117,23 @@ function! ale#handlers#gcc#HandleGCCFormat(buffer, lines) abort
if !empty(l:output)
if !has_key(l:output[-1], 'detail')
let l:output[-1].detail = l:output[-1].text
+
+ " handle macro expansion errors/notes
+ if l:match[5] =~? '^in expansion of macro ‘\w*\w’$'
+ " if the macro expansion is in the file we're in, add
+ " the lnum and col keys to the previous error
+ if l:match[1] is# '<stdin>'
+ \ && !has_key(l:output[-1], 'col')
+ let l:output[-1].lnum = str2nr(l:match[2])
+ let l:output[-1].col = str2nr(l:match[3])
+ else
+ " the error is not in the current file, and since
+ " macro expansion errors don't show the full path to
+ " the error from the current file, we have to just
+ " give out a generic error message
+ let l:output[-1].text = 'Error found in macro expansion. See :ALEDetail'
+ endif
+ endif
endif
let l:output[-1].detail = l:output[-1].detail . "\n"
diff --git a/test/handler/test_gcc_handler.vader b/test/handler/test_gcc_handler.vader
index b67483a6..a4231cab 100644
--- a/test/handler/test_gcc_handler.vader
+++ b/test/handler/test_gcc_handler.vader
@@ -279,3 +279,38 @@ Execute(The GCC handler should handle errors for inlined header functions):
\ ' __open_too_many_args ();',
\ ' ^~~~~~~~~~~~~~~~~~~~~~~',
\ ])
+
+Execute(The GCC handler should handle macro expansion errors in current file):
+ AssertEqual
+ \ [
+ \ {
+ \ 'lnum': 1,
+ \ 'col': 19,
+ \ 'type': 'E',
+ \ 'text': 'error message',
+ \ 'detail': "error message\n<stdin>:1:19: note: in expansion of macro 'TEST'",
+ \ },
+ \ ],
+ \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+ \ '<command-line>: error: error message',
+ \ '<stdin>:1:19: note: in expansion of macro ‘TEST’',
+ \ ' 1 | std::string str = TEST;',
+ \ ' | ^~~~',
+ \ ])
+
+Execute(The GCC handler should handle macro expansion errors in other files):
+ AssertEqual
+ \ [
+ \ {
+ \ 'lnum': 0,
+ \ 'type': 'E',
+ \ 'text': 'Error found in macro expansion. See :ALEDetail',
+ \ 'detail': "error message\ninc.h:1:19: note: in expansion of macro 'TEST'",
+ \ },
+ \ ],
+ \ ale#handlers#gcc#HandleGCCFormatWithIncludes(347, [
+ \ '<command-line>: error: error message',
+ \ 'inc.h:1:19: note: in expansion of macro ‘TEST’',
+ \ ' 1 | std::string str = TEST;',
+ \ ' | ^~~~',
+ \ ])