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-rw-r--r--ale_linters/awk/gawk.vim6
-rw-r--r--autoload/ale/handlers/gawk.vim25
-rw-r--r--test/command_callback/test_gawk_command_callback.vader40
-rw-r--r--test/handler/test_gawk_handler.vader39
4 files changed, 109 insertions, 1 deletions
diff --git a/ale_linters/awk/gawk.vim b/ale_linters/awk/gawk.vim
index ac6e9154..3e9987b3 100644
--- a/ale_linters/awk/gawk.vim
+++ b/ale_linters/awk/gawk.vim
@@ -12,7 +12,11 @@ function! ale_linters#awk#gawk#GetExecutable(buffer) abort
endfunction
function! ale_linters#awk#gawk#GetCommand(buffer) abort
+ " note the --source 'BEGIN ...' is to prevent
+ " gawk from attempting to execute the body of the script
+ " it is linting.
return ale_linters#awk#gawk#GetExecutable(a:buffer)
+ \ . " --source 'BEGIN { exit } END { exit 1 }'"
\ . ' ' . ale#Var(a:buffer, 'awk_gawk_options')
\ . ' ' . '-f %t --lint /dev/null'
endfunction
@@ -21,6 +25,6 @@ call ale#linter#Define('awk', {
\ 'name': 'gawk',
\ 'executable_callback': 'ale_linters#awk#gawk#GetExecutable',
\ 'command_callback': 'ale_linters#awk#gawk#GetCommand',
-\ 'callback': 'ale#handlers#cpplint#HandleCppLintFormat',
+\ 'callback': 'ale#handlers#gawk#HandleGawkFormat',
\ 'output_stream': 'both'
\})
diff --git a/autoload/ale/handlers/gawk.vim b/autoload/ale/handlers/gawk.vim
new file mode 100644
index 00000000..942bc2b2
--- /dev/null
+++ b/autoload/ale/handlers/gawk.vim
@@ -0,0 +1,25 @@
+" Author: Anthony DeDominic <adedomin@gmail.com>
+" Description: Handle output from gawk's --lint option
+
+function! ale#handlers#gawk#HandleGawkFormat(buffer, lines) abort
+ " Look for lines like the following:
+ " gawk: /tmp/v0fddXz/1/something.awk:1: ^ invalid char ''' in expression
+ let l:pattern = '^.\{-}:\(\d\+\):\s\+\(warning:\|\^\)\s*\(.*\)'
+ let l:output = []
+
+ for l:match in ale#util#GetMatches(a:lines, l:pattern)
+ let l:ecode = 'E'
+ if l:match[2] is? 'warning:'
+ let l:ecode = 'W'
+ endif
+ call add(l:output, {
+ \ 'lnum': l:match[1] + 0,
+ \ 'col': 0,
+ \ 'text': l:match[3],
+ \ 'code': 0,
+ \ 'type': l:ecode,
+ \})
+ endfor
+
+ return l:output
+endfunction
diff --git a/test/command_callback/test_gawk_command_callback.vader b/test/command_callback/test_gawk_command_callback.vader
new file mode 100644
index 00000000..ae128fe5
--- /dev/null
+++ b/test/command_callback/test_gawk_command_callback.vader
@@ -0,0 +1,40 @@
+Before:
+ Save g:ale_awk_gawk_executable
+ Save g:ale_awk_gawk_options
+ unlet! g:ale_awk_gawk_executable
+ unlet! g:ale_awk_gawk_options
+
+ runtime ale_linters/awk/gawk.vim
+
+After:
+ Restore
+ unlet! b:command_tail
+ unlet! b:ale_awk_gawk_executable
+ unlet! b:ale_awk_gawk_options
+
+ call ale#linter#Reset()
+
+Execute(The executable should be used in the command):
+ AssertEqual
+ \ 'gawk'
+ \ . " --source 'BEGIN { exit } END { exit 1 }'"
+ \ . ' ' . '-f %t --lint /dev/null',
+ \ ale_linters#awk#gawk#GetCommand(bufnr(''))
+
+ let b:ale_awk_gawk_executable = '/other/gawk'
+
+ AssertEqual
+ \ '/other/gawk'
+ \ . " --source 'BEGIN { exit } END { exit 1 }'"
+ \ . ' ' . '-f %t --lint /dev/null',
+ \ ale_linters#awk#gawk#GetCommand(bufnr(''))
+
+ let b:ale_awk_gawk_executable = 'gawk'
+ let b:ale_awk_gawk_options = '--something'
+
+ AssertEqual
+ \ 'gawk'
+ \ . " --source 'BEGIN { exit } END { exit 1 }'"
+ \ . ' --something'
+ \ . ' ' . '-f %t --lint /dev/null',
+ \ ale_linters#awk#gawk#GetCommand(bufnr(''))
diff --git a/test/handler/test_gawk_handler.vader b/test/handler/test_gawk_handler.vader
new file mode 100644
index 00000000..3a7b5457
--- /dev/null
+++ b/test/handler/test_gawk_handler.vader
@@ -0,0 +1,39 @@
+Before:
+ runtime ale_linters/awk/gawk.vim
+
+After:
+ call ale#linter#Reset()
+
+Execute(gawk syntax errors should be parsed correctly):
+
+ AssertEqual
+ \ [
+ \ {
+ \ 'lnum': 1,
+ \ 'col': 0,
+ \ 'text': "invalid char ''' in expression",
+ \ 'code': 0,
+ \ 'type': 'E',
+ \ },
+ \ {
+ \ 'lnum': 5,
+ \ 'col': 0,
+ \ 'text': 'unterminated string',
+ \ 'code': 0,
+ \ 'type': 'E',
+ \ },
+ \ {
+ \ 'lnum': 10,
+ \ 'col': 0,
+ \ 'text': "escape sequence `\u' treated as plain `u'",
+ \ 'code': 0,
+ \ 'type': 'W',
+ \ },
+ \ ],
+ \ ale#handlers#gawk#HandleGawkFormat(347, [
+ \ "gawk: something.awk:1: BEGIN { system('touch aaaaaaaaa') }",
+ \ "gawk: something.awk:1: ^ invalid char ''' in expression",
+ \ 'gawk: something.awk:5: { x = "aaaaaaaaaaa',
+ \ 'gawk: something.awk:5: ^ unterminated string',
+ \ "gawk: something.awk:10: warning: escape sequence `\u' treated as plain `u'",
+ \ ])