#2132 - Replace all uses of foo_callback with foo

ale_linters/ada/gcc.vim

@@ -48,7 +48,7 @@ endfunction
 call ale#linter#Define('ada', {
 \   'name': 'gcc',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('ada_gcc_executable'),
-\   'command_callback': 'ale_linters#ada#gcc#GetCommand',
+\   'executable': {b -> ale#Var(b, 'ada_gcc_executable')},
+\   'command': function('ale_linters#ada#gcc#GetCommand'),
 \   'callback': 'ale_linters#ada#gcc#Handle',
 \})

ale_linters/ansible/ansible_lint.vim

@@ -50,7 +50,7 @@ endfunction
 call ale#linter#Define('ansible', {
 \   'name': 'ansible_lint',
 \   'aliases': ['ansible', 'ansible-lint'],
-\   'executable_callback': 'ale_linters#ansible#ansible_lint#GetExecutable',
+\   'executable': function('ale_linters#ansible#ansible_lint#GetExecutable'),
 \   'command': '%e -p %t',
 \   'callback': 'ale_linters#ansible#ansible_lint#Handle',
 \})

ale_linters/asciidoc/textlint.vim

@@ -3,7 +3,7 @@
 
 call ale#linter#Define('asciidoc', {
 \   'name': 'textlint',
-\   'executable_callback': 'ale#handlers#textlint#GetExecutable',
-\   'command_callback': 'ale#handlers#textlint#GetCommand',
+\   'executable': function('ale#handlers#textlint#GetExecutable'),
+\   'command': function('ale#handlers#textlint#GetCommand'),
 \   'callback': 'ale#handlers#textlint#HandleTextlintOutput',
 \})

ale_linters/asm/gcc.vim

@@ -28,7 +28,7 @@ endfunction
 call ale#linter#Define('asm', {
 \    'name': 'gcc',
 \    'output_stream': 'stderr',
-\    'executable_callback': ale#VarFunc('asm_gcc_executable'),
-\    'command_callback': 'ale_linters#asm#gcc#GetCommand',
+\    'executable': {b -> ale#Var(b, 'asm_gcc_executable')},
+\    'command': function('ale_linters#asm#gcc#GetCommand'),
 \    'callback': 'ale_linters#asm#gcc#Handle',
 \})

ale_linters/awk/gawk.vim

@@ -15,8 +15,8 @@ endfunction
 
 call ale#linter#Define('awk', {
 \   'name': 'gawk',
-\   'executable_callback': ale#VarFunc('awk_gawk_executable'),
-\   'command_callback': 'ale_linters#awk#gawk#GetCommand',
+\   'executable': {b -> ale#Var(b, 'awk_gawk_executable')},
+\   'command': function('ale_linters#awk#gawk#GetCommand'),
 \   'callback': 'ale#handlers#gawk#HandleGawkFormat',
 \   'output_stream': 'both'
 \})

ale_linters/bib/bibclean.vim

@@ -68,8 +68,8 @@ endfunction
 
 call ale#linter#Define('bib', {
 \   'name': 'bibclean',
-\   'executable_callback': ale#VarFunc('bib_bibclean_executable'),
-\   'command_callback': 'ale_linters#bib#bibclean#GetCommand',
+\   'executable': {b -> ale#Var(b, 'bib_bibclean_executable')},
+\   'command': function('ale_linters#bib#bibclean#GetCommand'),
 \   'output_stream': 'stderr',
 \   'callback': 'ale_linters#bib#bibclean#Handle',
 \})

ale_linters/c/ccls.vim

@@ -7,8 +7,8 @@ call ale#Set('c_ccls_init_options', {})
 call ale#linter#Define('c', {
 \   'name': 'ccls',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('c_ccls_executable'),
+\   'executable': {b -> ale#Var(b, 'c_ccls_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale#handlers#ccls#GetProjectRoot',
-\   'initialization_options_callback':ale#VarFunc('c_ccls_init_options'),
+\   'project_root': function('ale#handlers#ccls#GetProjectRoot'),
+\   'initialization_options': {b -> ale#Var(b, 'c_ccls_init_options')},
 \})

ale_linters/c/clang.vim

@@ -18,7 +18,7 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'clang',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('c_clang_executable'),
+\   'executable': {b -> ale#Var(b, 'c_clang_executable')},
 \   'command_chain': [
 \       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
 \       {'callback': 'ale_linters#c#clang#GetCommand'}

ale_linters/c/clangd.vim

@@ -17,7 +17,7 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'clangd',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('c_clangd_executable'),
-\   'command_callback': 'ale_linters#c#clangd#GetCommand',
-\   'project_root_callback': 'ale_linters#c#clangd#GetProjectRoot',
+\   'executable': {b -> ale#Var(b, 'c_clangd_executable')},
+\   'command': function('ale_linters#c#clangd#GetCommand'),
+\   'project_root': function('ale_linters#c#clangd#GetProjectRoot'),
 \})

ale_linters/c/clangtidy.vim

@@ -35,8 +35,8 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'clangtidy',
 \   'output_stream': 'stdout',
-\   'executable_callback': ale#VarFunc('c_clangtidy_executable'),
-\   'command_callback': 'ale_linters#c#clangtidy#GetCommand',
+\   'executable': {b -> ale#Var(b, 'c_clangtidy_executable')},
+\   'command': function('ale_linters#c#clangtidy#GetCommand'),
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \   'lint_file': 1,
 \})

ale_linters/c/cppcheck.vim

@@ -28,7 +28,7 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'cppcheck',
 \   'output_stream': 'both',
-\   'executable_callback': ale#VarFunc('c_cppcheck_executable'),
-\   'command_callback': 'ale_linters#c#cppcheck#GetCommand',
+\   'executable': {b -> ale#Var(b, 'c_cppcheck_executable')},
+\   'command': function('ale_linters#c#cppcheck#GetCommand'),
 \   'callback': 'ale#handlers#cppcheck#HandleCppCheckFormat',
 \})

ale_linters/c/cquery.vim

@@ -21,8 +21,8 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'cquery',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('c_cquery_executable'),
+\   'executable': {b -> ale#Var(b, 'c_cquery_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale_linters#c#cquery#GetProjectRoot',
-\   'initialization_options_callback': 'ale_linters#c#cquery#GetInitializationOptions',
+\   'project_root': function('ale_linters#c#cquery#GetProjectRoot'),
+\   'initialization_options': function('ale_linters#c#cquery#GetInitializationOptions'),
 \})

ale_linters/c/flawfinder.vim

@@ -19,7 +19,7 @@ endfunction
 call ale#linter#Define('c', {
 \  'name': 'flawfinder',
 \  'output_stream': 'stdout',
-\  'executable_callback': ale#VarFunc('c_flawfinder_executable'),
-\  'command_callback': 'ale_linters#c#flawfinder#GetCommand',
+\  'executable': {b -> ale#Var(b, 'c_flawfinder_executable')},
+\  'command': function('ale_linters#c#flawfinder#GetCommand'),
 \  'callback': 'ale#handlers#flawfinder#HandleFlawfinderFormat',
 \})

ale_linters/c/gcc.vim

@@ -18,7 +18,7 @@ endfunction
 call ale#linter#Define('c', {
 \   'name': 'gcc',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('c_gcc_executable'),
+\   'executable': {b -> ale#Var(b, 'c_gcc_executable')},
 \   'command_chain': [
 \       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
 \       {'callback': 'ale_linters#c#gcc#GetCommand'}

ale_linters/chef/foodcritic.vim

@@ -34,8 +34,8 @@ endfunction
 
 call ale#linter#Define('chef', {
 \   'name': 'foodcritic',
-\   'executable_callback': ale#VarFunc('chef_foodcritic_executable'),
-\   'command_callback': 'ale_linters#chef#foodcritic#GetCommand',
+\   'executable': {b -> ale#Var(b, 'chef_foodcritic_executable')},
+\   'command': function('ale_linters#chef#foodcritic#GetCommand'),
 \   'callback': 'ale_linters#chef#foodcritic#Handle',
 \   'lint_file': 1,
 \})

ale_linters/cmake/cmakelint.vim

@@ -18,7 +18,7 @@ endfunction
 
 call ale#linter#Define('cmake', {
 \   'name': 'cmakelint',
-\   'executable_callback': 'ale_linters#cmake#cmakelint#Executable',
-\   'command_callback': 'ale_linters#cmake#cmakelint#Command',
+\   'executable': function('ale_linters#cmake#cmakelint#Executable'),
+\   'command': function('ale_linters#cmake#cmakelint#Command'),
 \   'callback': 'ale#handlers#unix#HandleAsWarning',
 \})

ale_linters/coffee/coffee.vim

@@ -16,8 +16,8 @@ endfunction
 
 call ale#linter#Define('coffee', {
 \   'name': 'coffee',
-\   'executable_callback': 'ale_linters#coffee#coffee#GetExecutable',
-\   'command_callback': 'ale_linters#coffee#coffee#GetCommand',
+\   'executable': function('ale_linters#coffee#coffee#GetExecutable'),
+\   'command': function('ale_linters#coffee#coffee#GetCommand'),
 \   'output_stream': 'stderr',
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \})

ale_linters/coffee/coffeelint.vim

@@ -37,7 +37,7 @@ endfunction
 
 call ale#linter#Define('coffee', {
 \   'name': 'coffeelint',
-\   'executable_callback': 'ale_linters#coffee#coffeelint#GetExecutable',
-\   'command_callback': 'ale_linters#coffee#coffeelint#GetCommand',
+\   'executable': function('ale_linters#coffee#coffeelint#GetExecutable'),
+\   'command': function('ale_linters#coffee#coffeelint#GetCommand'),
 \   'callback': 'ale_linters#coffee#coffeelint#Handle',
 \})

ale_linters/cpp/ccls.vim

@@ -7,8 +7,8 @@ call ale#Set('cpp_ccls_init_options', {})
 call ale#linter#Define('cpp', {
 \   'name': 'ccls',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('cpp_ccls_executable'),
+\   'executable': {b -> ale#Var(b, 'cpp_ccls_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale#handlers#ccls#GetProjectRoot',
-\   'initialization_options_callback': ale#VarFunc('cpp_ccls_init_options'),
+\   'project_root': function('ale#handlers#ccls#GetProjectRoot'),
+\   'initialization_options': {b -> ale#Var(b, 'cpp_ccls_init_options')},
 \})

ale_linters/cpp/clang.vim

@@ -18,7 +18,7 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'clang',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cpp_clang_executable'),
+\   'executable': {b -> ale#Var(b, 'cpp_clang_executable')},
 \   'command_chain': [
 \       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
 \       {'callback': 'ale_linters#cpp#clang#GetCommand'},

ale_linters/cpp/clangcheck.vim

@@ -27,8 +27,8 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'clangcheck',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cpp_clangcheck_executable'),
-\   'command_callback': 'ale_linters#cpp#clangcheck#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cpp_clangcheck_executable')},
+\   'command': function('ale_linters#cpp#clangcheck#GetCommand'),
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \   'lint_file': 1,
 \})

ale_linters/cpp/clangd.vim

@@ -17,7 +17,7 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'clangd',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('cpp_clangd_executable'),
-\   'command_callback': 'ale_linters#cpp#clangd#GetCommand',
-\   'project_root_callback': 'ale_linters#cpp#clangd#GetProjectRoot',
+\   'executable': {b -> ale#Var(b, 'cpp_clangd_executable')},
+\   'command': function('ale_linters#cpp#clangd#GetCommand'),
+\   'project_root': function('ale_linters#cpp#clangd#GetProjectRoot'),
 \})

ale_linters/cpp/clangtidy.vim

@@ -29,8 +29,8 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'clangtidy',
 \   'output_stream': 'stdout',
-\   'executable_callback': ale#VarFunc('cpp_clangtidy_executable'),
-\   'command_callback': 'ale_linters#cpp#clangtidy#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cpp_clangtidy_executable')},
+\   'command': function('ale_linters#cpp#clangtidy#GetCommand'),
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \   'lint_file': 1,
 \})

ale_linters/cpp/clazy.vim

@@ -25,8 +25,8 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'clazy',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cpp_clazy_executable'),
-\   'command_callback': 'ale_linters#cpp#clazy#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cpp_clazy_executable')},
+\   'command': function('ale_linters#cpp#clazy#GetCommand'),
 \   'callback': 'ale#handlers#gcc#HandleGCCFormat',
 \   'lint_file': 1,
 \})

ale_linters/cpp/cppcheck.vim

@@ -28,7 +28,7 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'cppcheck',
 \   'output_stream': 'both',
-\   'executable_callback': ale#VarFunc('cpp_cppcheck_executable'),
-\   'command_callback': 'ale_linters#cpp#cppcheck#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cpp_cppcheck_executable')},
+\   'command': function('ale_linters#cpp#cppcheck#GetCommand'),
 \   'callback': 'ale#handlers#cppcheck#HandleCppCheckFormat',
 \})

ale_linters/cpp/cpplint.vim

@@ -13,8 +13,8 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'cpplint',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cpp_cpplint_executable'),
-\   'command_callback': 'ale_linters#cpp#cpplint#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cpp_cpplint_executable')},
+\   'command': function('ale_linters#cpp#cpplint#GetCommand'),
 \   'callback': 'ale#handlers#cpplint#HandleCppLintFormat',
 \   'lint_file': 1,
 \})

ale_linters/cpp/cquery.vim

@@ -21,8 +21,8 @@ endfunction
 call ale#linter#Define('cpp', {
 \   'name': 'cquery',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('cpp_cquery_executable'),
+\   'executable': {b -> ale#Var(b, 'cpp_cquery_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale_linters#cpp#cquery#GetProjectRoot',
-\   'initialization_options_callback': 'ale_linters#cpp#cquery#GetInitializationOptions',
+\   'project_root': function('ale_linters#cpp#cquery#GetProjectRoot'),
+\   'initialization_options': function('ale_linters#cpp#cquery#GetInitializationOptions'),
 \})

ale_linters/cpp/flawfinder.vim

@@ -19,7 +19,7 @@ endfunction
 call ale#linter#Define('cpp', {
 \  'name': 'flawfinder',
 \  'output_stream': 'stdout',
-\  'executable_callback': ale#VarFunc('cpp_flawfinder_executable'),
-\  'command_callback': 'ale_linters#cpp#flawfinder#GetCommand',
+\  'executable': {b -> ale#Var(b, 'cpp_flawfinder_executable')},
+\  'command': function('ale_linters#cpp#flawfinder#GetCommand'),
 \  'callback': 'ale#handlers#flawfinder#HandleFlawfinderFormat',
 \})

ale_linters/cpp/gcc.vim

@@ -19,7 +19,7 @@ call ale#linter#Define('cpp', {
 \   'name': 'gcc',
 \   'aliases': ['g++'],
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cpp_gcc_executable'),
+\   'executable': {b -> ale#Var(b, 'cpp_gcc_executable')},
 \   'command_chain': [
 \       {'callback': 'ale#c#GetMakeCommand', 'output_stream': 'stdout'},
 \       {'callback': 'ale_linters#cpp#gcc#GetCommand'},

ale_linters/crystal/ameba.vim

@@ -50,8 +50,8 @@ endfunction
 
 call ale#linter#Define('crystal', {
 \   'name': 'ameba',
-\   'executable_callback': ale#VarFunc('crystal_ameba_executable'),
-\   'command_callback': 'ale_linters#crystal#ameba#GetCommand',
+\   'executable': {b -> ale#Var(b, 'crystal_ameba_executable')},
+\   'command': function('ale_linters#crystal#ameba#GetCommand'),
 \   'callback': 'ale_linters#crystal#ameba#HandleAmebaOutput',
 \   'lint_file': 1,
 \})

ale_linters/crystal/crystal.vim

@@ -26,6 +26,6 @@ call ale#linter#Define('crystal', {
 \   'executable': 'crystal',
 \   'output_stream': 'both',
 \   'lint_file': 1,
-\   'command_callback': 'ale_linters#crystal#crystal#GetCommand',
+\   'command': function('ale_linters#crystal#crystal#GetCommand'),
 \   'callback': 'ale_linters#crystal#crystal#Handle',
 \})

ale_linters/cs/mcs.vim

@@ -32,6 +32,6 @@ call ale#linter#Define('cs',{
 \   'name': 'mcs',
 \   'output_stream': 'stderr',
 \   'executable': 'mcs',
-\   'command_callback': 'ale_linters#cs#mcs#GetCommand',
+\   'command': function('ale_linters#cs#mcs#GetCommand'),
 \   'callback': 'ale_linters#cs#mcs#Handle',
 \})

ale_linters/cs/mcsc.vim

@@ -75,7 +75,7 @@ call ale#linter#Define('cs',{
 \   'name': 'mcsc',
 \   'output_stream': 'stderr',
 \   'executable': 'mcs',
-\   'command_callback': 'ale_linters#cs#mcsc#GetCommand',
+\   'command': function('ale_linters#cs#mcsc#GetCommand'),
 \   'callback': 'ale_linters#cs#mcsc#Handle',
 \   'lint_file': 1
 \})

ale_linters/css/csslint.vim

@@ -13,6 +13,6 @@ endfunction
 call ale#linter#Define('css', {
 \   'name': 'csslint',
 \   'executable': 'csslint',
-\   'command_callback': 'ale_linters#css#csslint#GetCommand',
+\   'command': function('ale_linters#css#csslint#GetCommand'),
 \   'callback': 'ale#handlers#css#HandleCSSLintFormat',
 \})

ale_linters/css/stylelint.vim

@@ -11,9 +11,9 @@ endfunction
 
 call ale#linter#Define('css', {
 \   'name': 'stylelint',
-\   'executable_callback': ale#node#FindExecutableFunc('css_stylelint', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'css_stylelint', [
 \       'node_modules/.bin/stylelint',
-\   ]),
-\   'command_callback': 'ale_linters#css#stylelint#GetCommand',
+\   ])},
+\   'command': function('ale_linters#css#stylelint#GetCommand'),
 \   'callback': 'ale#handlers#css#HandleStyleLintFormat',
 \})

ale_linters/cucumber/cucumber.vim

@@ -41,6 +41,6 @@ endfunction
 call ale#linter#Define('cucumber', {
 \   'name': 'cucumber',
 \   'executable': 'cucumber',
-\   'command_callback': 'ale_linters#cucumber#cucumber#GetCommand',
+\   'command': function('ale_linters#cucumber#cucumber#GetCommand'),
 \   'callback': 'ale_linters#cucumber#cucumber#Handle'
 \})

ale_linters/cuda/nvcc.vim

@@ -42,8 +42,8 @@ endfunction
 call ale#linter#Define('cuda', {
 \   'name': 'nvcc',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('cuda_nvcc_executable'),
-\   'command_callback': 'ale_linters#cuda#nvcc#GetCommand',
+\   'executable': {b -> ale#Var(b, 'cuda_nvcc_executable')},
+\   'command': function('ale_linters#cuda#nvcc#GetCommand'),
 \   'callback': 'ale_linters#cuda#nvcc#HandleNVCCFormat',
 \   'lint_file': 1,
 \})

ale_linters/d/dls.vim

@@ -16,7 +16,7 @@ endfunction
 call ale#linter#Define('d', {
 \   'name': 'dls',
 \   'lsp': 'stdio',
-\   'executable_callback': 'ale_linters#d#dls#GetExecutable',
-\   'command_callback': 'ale_linters#d#dls#GetExecutable',
-\   'project_root_callback': 'ale_linters#d#dls#FindProjectRoot',
+\   'executable': function('ale_linters#d#dls#GetExecutable'),
+\   'command': function('ale_linters#d#dls#GetExecutable'),
+\   'project_root': function('ale_linters#d#dls#FindProjectRoot'),
 \})

ale_linters/dart/dartanalyzer.vim

@@ -29,8 +29,8 @@ endfunction
 
 call ale#linter#Define('dart', {
 \   'name': 'dartanalyzer',
-\   'executable_callback': ale#VarFunc('dart_dartanalyzer_executable'),
-\   'command_callback': 'ale_linters#dart#dartanalyzer#GetCommand',
+\   'executable': {b -> ale#Var(b, 'dart_dartanalyzer_executable')},
+\   'command': function('ale_linters#dart#dartanalyzer#GetCommand'),
 \   'callback': 'ale_linters#dart#dartanalyzer#Handle',
 \   'lint_file': 1,
 \})

ale_linters/dart/language_server.vim

@@ -14,7 +14,7 @@ endfunction
 call ale#linter#Define('dart', {
 \   'name': 'language_server',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('dart_language_server_executable'),
+\   'executable': {b -> ale#Var(b, 'dart_language_server_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale_linters#dart#language_server#GetProjectRoot',
+\   'project_root': function('ale_linters#dart#language_server#GetProjectRoot'),
 \})

ale_linters/dockerfile/dockerfile_lint.vim

@@ -55,7 +55,7 @@ endfunction
 
 call ale#linter#Define('dockerfile', {
 \   'name': 'dockerfile_lint',
-\   'executable_callback': ale#VarFunc('dockerfile_dockerfile_lint_executable'),
-\   'command_callback': 'ale_linters#dockerfile#dockerfile_lint#GetCommand',
+\   'executable': {b -> ale#Var(b, 'dockerfile_dockerfile_lint_executable')},
+\   'command': function('ale_linters#dockerfile#dockerfile_lint#GetCommand'),
 \   'callback': 'ale_linters#dockerfile#dockerfile_lint#Handle',
 \})

ale_linters/dockerfile/hadolint.vim

@@ -93,7 +93,7 @@ endfunction
 
 call ale#linter#Define('dockerfile', {
 \   'name': 'hadolint',
-\   'executable_callback': 'ale_linters#dockerfile#hadolint#GetExecutable',
-\   'command_callback': 'ale_linters#dockerfile#hadolint#GetCommand',
+\   'executable': function('ale_linters#dockerfile#hadolint#GetExecutable'),
+\   'command': function('ale_linters#dockerfile#hadolint#GetCommand'),
 \   'callback': 'ale_linters#dockerfile#hadolint#Handle',
 \})

ale_linters/elixir/credo.vim

@@ -47,6 +47,6 @@ endfunction
 call ale#linter#Define('elixir', {
 \   'name': 'credo',
 \   'executable': 'mix',
-\   'command_callback': 'ale_linters#elixir#credo#GetCommand',
+\   'command': function('ale_linters#elixir#credo#GetCommand'),
 \   'callback': 'ale_linters#elixir#credo#Handle',
 \})

ale_linters/elixir/dialyxir.vim

@@ -35,7 +35,7 @@ endfunction
 call ale#linter#Define('elixir', {
 \   'name': 'dialyxir',
 \   'executable': 'mix',
-\   'command_callback': 'ale_linters#elixir#dialyxir#GetCommand',
+\   'command': function('ale_linters#elixir#dialyxir#GetCommand'),
 \   'callback': 'ale_linters#elixir#dialyxir#Handle',
 \})
 

ale_linters/elixir/dogma.vim

@@ -39,7 +39,7 @@ endfunction
 call ale#linter#Define('elixir', {
 \   'name': 'dogma',
 \   'executable': 'mix',
-\   'command_callback': 'ale_linters#elixir#dogma#GetCommand',
+\   'command': function('ale_linters#elixir#dogma#GetCommand'),
 \   'lint_file': 1,
 \   'callback': 'ale_linters#elixir#dogma#Handle',
 \})

ale_linters/elixir/elixir_ls.vim

@@ -14,8 +14,8 @@ endfunction
 call ale#linter#Define('elixir', {
 \   'name': 'elixir-ls',
 \   'lsp': 'stdio',
-\   'executable_callback': 'ale_linters#elixir#elixir_ls#GetExecutable',
-\   'command_callback': 'ale_linters#elixir#elixir_ls#GetExecutable',
-\   'project_root_callback': 'ale#handlers#elixir#FindMixUmbrellaRoot',
-\   'lsp_config_callback': ale#VarFunc('elixir_elixir_ls_config'),
+\   'executable': function('ale_linters#elixir#elixir_ls#GetExecutable'),
+\   'command': function('ale_linters#elixir#elixir_ls#GetExecutable'),
+\   'project_root': function('ale#handlers#elixir#FindMixUmbrellaRoot'),
+\   'lsp_config': {b -> ale#Var(b, 'elixir_elixir_ls_config')},
 \})

ale_linters/elixir/mix.vim

@@ -46,7 +46,7 @@ endfunction
 call ale#linter#Define('elixir', {
 \   'name': 'mix',
 \   'executable': 'mix',
-\   'command_callback': 'ale_linters#elixir#mix#GetCommand',
+\   'command': function('ale_linters#elixir#mix#GetCommand'),
 \   'callback': 'ale_linters#elixir#mix#Handle',
 \   'lint_file': 1,
 \})

ale_linters/elm/make.vim

@@ -233,8 +233,8 @@ endfunction
 
 call ale#linter#Define('elm', {
 \   'name': 'make',
-\   'executable_callback': 'ale_linters#elm#make#GetExecutable',
+\   'executable': function('ale_linters#elm#make#GetExecutable'),
 \   'output_stream': 'both',
-\   'command_callback': 'ale_linters#elm#make#GetCommand',
+\   'command': function('ale_linters#elm#make#GetCommand'),
 \   'callback': 'ale_linters#elm#make#Handle'
 \})

ale_linters/erlang/erlc.vim

@@ -91,6 +91,6 @@ endfunction
 call ale#linter#Define('erlang', {
 \   'name': 'erlc',
 \   'executable': 'erlc',
-\   'command_callback': 'ale_linters#erlang#erlc#GetCommand',
+\   'command': function('ale_linters#erlang#erlc#GetCommand'),
 \   'callback': 'ale_linters#erlang#erlc#Handle',
 \})

ale_linters/erlang/syntaxerl.vim

@@ -26,7 +26,7 @@ endfunction
 
 call ale#linter#Define('erlang', {
 \   'name': 'syntaxerl',
-\   'executable_callback': ale#VarFunc('erlang_syntaxerl_executable'),
+\   'executable': {b -> ale#Var(b, 'erlang_syntaxerl_executable')},
 \   'command_chain': [
 \       {'callback': {-> '%e -h'}},
 \       {'callback': 'ale_linters#erlang#syntaxerl#GetCommand'},

ale_linters/eruby/erb.vim

@@ -19,7 +19,7 @@ call ale#linter#Define('eruby', {
 \   'aliases': ['erubylint'],
 \   'executable': 'erb',
 \   'output_stream': 'stderr',
-\   'command_callback': 'ale_linters#eruby#erb#GetCommand',
+\   'command': function('ale_linters#eruby#erb#GetCommand'),
 \   'callback': 'ale#handlers#ruby#HandleSyntaxErrors',
 \})
 

ale_linters/eruby/erubis.vim

@@ -18,6 +18,6 @@ call ale#linter#Define('eruby', {
 \   'name': 'erubis',
 \   'executable': 'erubis',
 \   'output_stream': 'stderr',
-\   'command_callback': 'ale_linters#eruby#erubis#GetCommand',
+\   'command': function('ale_linters#eruby#erubis#GetCommand'),
 \   'callback': 'ale#handlers#ruby#HandleSyntaxErrors',
 \})

ale_linters/eruby/ruumba.vim

@@ -56,7 +56,7 @@ endfunction
 
 call ale#linter#Define('eruby', {
 \   'name': 'ruumba',
-\   'executable_callback': ale#VarFunc('eruby_ruumba_executable'),
-\   'command_callback': 'ale_linters#eruby#ruumba#GetCommand',
+\   'executable': {b -> ale#Var(b, 'eruby_ruumba_executable')},
+\   'command': function('ale_linters#eruby#ruumba#GetCommand'),
 \   'callback': 'ale_linters#eruby#ruumba#Handle',
 \})

ale_linters/fortran/gcc.vim

@@ -66,7 +66,7 @@ endfunction
 call ale#linter#Define('fortran', {
 \   'name': 'gcc',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('fortran_gcc_executable'),
-\   'command_callback': 'ale_linters#fortran#gcc#GetCommand',
+\   'executable': {b -> ale#Var(b, 'fortran_gcc_executable')},
+\   'command': function('ale_linters#fortran#gcc#GetCommand'),
 \   'callback': 'ale_linters#fortran#gcc#Handle',
 \})

ale_linters/fortran/language_server.vim

@@ -13,7 +13,7 @@ endfunction
 call ale#linter#Define('fortran', {
 \   'name': 'language_server',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('fortran_language_server_executable'),
+\   'executable': {b -> ale#Var(b, 'fortran_language_server_executable')},
 \   'command': '%e',
-\   'project_root_callback': 'ale_linters#fortran#language_server#GetProjectRoot',
+\   'project_root': function('ale_linters#fortran#language_server#GetProjectRoot'),
 \})

ale_linters/fuse/fusionlint.vim

@@ -27,7 +27,7 @@ endfunction
 
 call ale#linter#Define('fuse', {
 \   'name': 'fusionlint',
-\   'executable_callback': ale#VarFunc('fuse_fusionlint_executable'),
-\   'command_callback': 'ale_linters#fuse#fusionlint#GetCommand',
+\   'executable': {b -> ale#Var(b, 'fuse_fusionlint_executable')},
+\   'command': function('ale_linters#fuse#fusionlint#GetCommand'),
 \   'callback': 'ale_linters#fuse#fusionlint#Handle',
 \})

ale_linters/gitcommit/gitlint.vim

@@ -45,7 +45,7 @@ endfunction
 call ale#linter#Define('gitcommit', {
 \   'name': 'gitlint',
 \   'output_stream': 'stderr',
-\   'executable_callback': 'ale_linters#gitcommit#gitlint#GetExecutable',
-\   'command_callback': 'ale_linters#gitcommit#gitlint#GetCommand',
+\   'executable': function('ale_linters#gitcommit#gitlint#GetExecutable'),
+\   'command': function('ale_linters#gitcommit#gitlint#GetCommand'),
 \   'callback': 'ale_linters#gitcommit#gitlint#Handle',
 \})

ale_linters/glsl/glslang.vim

@@ -34,7 +34,7 @@ endfunction
 
 call ale#linter#Define('glsl', {
 \   'name': 'glslang',
-\   'executable_callback': ale#VarFunc('glsl_glslang_executable'),
-\   'command_callback': 'ale_linters#glsl#glslang#GetCommand',
+\   'executable': {b -> ale#Var(b, 'glsl_glslang_executable')},
+\   'command': function('ale_linters#glsl#glslang#GetCommand'),
 \   'callback': 'ale_linters#glsl#glslang#Handle',
 \})

ale_linters/glsl/glslls.vim

@@ -24,7 +24,7 @@ endfunction
 call ale#linter#Define('glsl', {
 \   'name': 'glslls',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('glsl_glslls_executable'),
-\   'command_callback': 'ale_linters#glsl#glslls#GetCommand',
-\   'project_root_callback': 'ale_linters#glsl#glslls#GetProjectRoot',
+\   'executable': {b -> ale#Var(b, 'glsl_glslls_executable')},
+\   'command': function('ale_linters#glsl#glslls#GetCommand'),
+\   'project_root': function('ale_linters#glsl#glslls#GetProjectRoot'),
 \})

ale_linters/go/bingo.vim

@@ -23,7 +23,7 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'bingo',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('go_bingo_executable'),
-\   'command_callback': 'ale_linters#go#bingo#GetCommand',
-\   'project_root_callback': 'ale_linters#go#bingo#FindProjectRoot',
+\   'executable': {b -> ale#Var(b, 'go_bingo_executable')},
+\   'command': function('ale_linters#go#bingo#GetCommand'),
+\   'project_root': function('ale_linters#go#bingo#FindProjectRoot'),
 \})

ale_linters/go/gobuild.vim

@@ -48,8 +48,8 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'gobuild',
 \   'aliases': ['go build'],
-\   'executable_callback': ale#VarFunc('go_go_executable'),
-\   'command_callback': 'ale_linters#go#gobuild#GetCommand',
+\   'executable': {b -> ale#Var(b, 'go_go_executable')},
+\   'command': function('ale_linters#go#gobuild#GetCommand'),
 \   'output_stream': 'stderr',
 \   'callback': 'ale_linters#go#gobuild#Handler',
 \   'lint_file': 1,

ale_linters/go/golangci_lint.vim

@@ -49,8 +49,8 @@ endfunction
 
 call ale#linter#Define('go', {
 \   'name': 'golangci-lint',
-\   'executable_callback': ale#VarFunc('go_golangci_lint_executable'),
-\   'command_callback': 'ale_linters#go#golangci_lint#GetCommand',
+\   'executable': {b -> ale#Var(b, 'go_golangci_lint_executable')},
+\   'command': function('ale_linters#go#golangci_lint#GetCommand'),
 \   'callback': 'ale_linters#go#golangci_lint#Handler',
 \   'lint_file': 1,
 \})

ale_linters/go/golint.vim

@@ -15,7 +15,7 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'golint',
 \   'output_stream': 'both',
-\   'executable_callback': ale#VarFunc('go_golint_executable'),
-\   'command_callback': 'ale_linters#go#golint#GetCommand',
+\   'executable': {b -> ale#Var(b, 'go_golint_executable')},
+\   'command': function('ale_linters#go#golint#GetCommand'),
 \   'callback': 'ale#handlers#unix#HandleAsWarning',
 \})

ale_linters/go/gometalinter.vim

@@ -50,8 +50,8 @@ endfunction
 
 call ale#linter#Define('go', {
 \   'name': 'gometalinter',
-\   'executable_callback': ale#VarFunc('go_gometalinter_executable'),
-\   'command_callback': 'ale_linters#go#gometalinter#GetCommand',
+\   'executable': {b -> ale#Var(b, 'go_gometalinter_executable')},
+\   'command': function('ale_linters#go#gometalinter#GetCommand'),
 \   'callback': 'ale_linters#go#gometalinter#Handler',
 \   'lint_file': 1,
 \})

ale_linters/go/gosimple.vim

@@ -8,7 +8,7 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'gosimple',
 \   'executable': 'gosimple',
-\   'command_callback': 'ale_linters#go#gosimple#GetCommand',
+\   'command': function('ale_linters#go#gosimple#GetCommand'),
 \   'callback': 'ale#handlers#go#Handler',
 \   'output_stream': 'both',
 \   'lint_file': 1,

ale_linters/go/gotype.vim

@@ -13,7 +13,7 @@ call ale#linter#Define('go', {
 \   'name': 'gotype',
 \   'output_stream': 'stderr',
 \   'executable': 'gotype',
-\   'command_callback': 'ale_linters#go#gotype#GetCommand',
+\   'command': function('ale_linters#go#gotype#GetCommand'),
 \   'callback': 'ale#handlers#go#Handler',
 \   'lint_file': 1,
 \})

ale_linters/go/govet.vim

@@ -20,8 +20,8 @@ call ale#linter#Define('go', {
 \   'name': 'govet',
 \   'aliases': ['go vet'],
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('go_go_executable'),
-\   'command_callback': 'ale_linters#go#govet#GetCommand',
+\   'executable': {b -> ale#Var(b, 'go_go_executable')},
+\   'command': function('ale_linters#go#govet#GetCommand'),
 \   'callback': 'ale#handlers#go#Handler',
 \   'lint_file': 1,
 \})

ale_linters/go/langserver.vim

@@ -22,7 +22,7 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'golangserver',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#VarFunc('go_langserver_executable'),
-\   'command_callback': 'ale_linters#go#langserver#GetCommand',
-\   'project_root_callback': 'ale#go#FindProjectRoot',
+\   'executable': {b -> ale#Var(b, 'go_langserver_executable')},
+\   'command': function('ale_linters#go#langserver#GetCommand'),
+\   'project_root': function('ale#go#FindProjectRoot'),
 \})

ale_linters/go/staticcheck.vim

@@ -26,7 +26,7 @@ endfunction
 call ale#linter#Define('go', {
 \   'name': 'staticcheck',
 \   'executable': 'staticcheck',
-\   'command_callback': 'ale_linters#go#staticcheck#GetCommand',
+\   'command': function('ale_linters#go#staticcheck#GetCommand'),
 \   'callback': 'ale#handlers#go#Handler',
 \   'output_stream': 'both',
 \   'lint_file': 1,

ale_linters/graphql/eslint.vim

@@ -3,7 +3,7 @@
 
 call ale#linter#Define('graphql', {
 \   'name': 'eslint',
-\   'executable_callback': 'ale#handlers#eslint#GetExecutable',
-\   'command_callback': 'ale#handlers#eslint#GetCommand',
+\   'executable': function('ale#handlers#eslint#GetExecutable'),
+\   'command': function('ale#handlers#eslint#GetCommand'),
 \   'callback': 'ale#handlers#eslint#Handle',
 \})

ale_linters/graphql/gqlint.vim

@@ -10,6 +10,6 @@ endfunction
 call ale#linter#Define('graphql', {
 \   'name': 'gqlint',
 \   'executable': 'gqlint',
-\   'command_callback': 'ale_linters#graphql#gqlint#GetCommand',
+\   'command': function('ale_linters#graphql#gqlint#GetCommand'),
 \   'callback': 'ale#handlers#unix#HandleAsWarning',
 \})

ale_linters/hack/hack.vim

@@ -16,7 +16,7 @@ endfunction
 call ale#linter#Define('hack', {
 \   'name': 'hack',
 \   'lsp': 'stdio',
-\   'executable_callback': 'ale_linters#hack#hack#GetExecutable',
+\   'executable': function('ale_linters#hack#hack#GetExecutable'),
 \   'command': '%e lsp --from vim-ale',
-\   'project_root_callback': 'ale_linters#hack#hack#GetProjectRoot',
+\   'project_root': function('ale_linters#hack#hack#GetProjectRoot'),
 \})

ale_linters/hack/hhast.vim

@@ -33,8 +33,8 @@ endfunction
 call ale#linter#Define('hack', {
 \   'name': 'hhast',
 \   'lsp': 'stdio',
-\   'executable_callback': 'ale_linters#hack#hhast#GetExecutable',
+\   'executable': function('ale_linters#hack#hhast#GetExecutable'),
 \   'command': '%e --mode lsp --from vim-ale',
-\   'project_root_callback': 'ale_linters#hack#hhast#GetProjectRoot',
-\   'initialization_options_callback': 'ale_linters#hack#hhast#GetInitializationOptions',
+\   'project_root': function('ale_linters#hack#hhast#GetProjectRoot'),
+\   'initialization_options': function('ale_linters#hack#hhast#GetInitializationOptions'),
 \})

ale_linters/haml/hamllint.vim

@@ -51,7 +51,7 @@ endfunction
 
 call ale#linter#Define('haml', {
 \   'name': 'hamllint',
-\   'executable_callback': 'ale_linters#haml#hamllint#GetExecutable',
-\   'command_callback': 'ale_linters#haml#hamllint#GetCommand',
+\   'executable': function('ale_linters#haml#hamllint#GetExecutable'),
+\   'command': function('ale_linters#haml#hamllint#GetCommand'),
 \   'callback': 'ale_linters#haml#hamllint#Handle'
 \})

ale_linters/handlebars/embertemplatelint.vim

@@ -31,9 +31,9 @@ endfunction
 
 call ale#linter#Define('handlebars', {
 \   'name': 'ember-template-lint',
-\   'executable_callback': ale#node#FindExecutableFunc('handlebars_embertemplatelint', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'handlebars_embertemplatelint', [
 \       'node_modules/.bin/ember-template-lint',
-\   ]),
+\   ])},
 \   'command': '%e --json %t',
 \   'callback': 'ale_linters#handlebars#embertemplatelint#Handle',
 \})

ale_linters/haskell/cabal_ghc.vim

@@ -14,6 +14,6 @@ call ale#linter#Define('haskell', {
 \   'aliases': ['cabal-ghc'],
 \   'output_stream': 'stderr',
 \   'executable': 'cabal',
-\   'command_callback': 'ale_linters#haskell#cabal_ghc#GetCommand',
+\   'command': function('ale_linters#haskell#cabal_ghc#GetCommand'),
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/haskell/ghc.vim

@@ -13,6 +13,6 @@ call ale#linter#Define('haskell', {
 \   'name': 'ghc',
 \   'output_stream': 'stderr',
 \   'executable': 'ghc',
-\   'command_callback': 'ale_linters#haskell#ghc#GetCommand',
+\   'command': function('ale_linters#haskell#ghc#GetCommand'),
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/haskell/ghc_mod.vim

@@ -13,7 +13,7 @@ endfunction
 call ale#linter#Define('haskell', {
 \   'name': 'ghc_mod',
 \   'aliases': ['ghc-mod'],
-\   'executable_callback': ale#VarFunc('haskell_ghc_mod_executable'),
-\   'command_callback': 'ale_linters#haskell#ghc_mod#GetCommand',
+\   'executable': {b -> ale#Var(b, 'haskell_ghc_mod_executable')},
+\   'command': function('ale_linters#haskell#ghc_mod#GetCommand'),
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/haskell/hdevtools.vim

@@ -14,7 +14,7 @@ endfunction
 
 call ale#linter#Define('haskell', {
 \   'name': 'hdevtools',
-\   'executable_callback': ale#VarFunc('haskell_hdevtools_executable'),
-\   'command_callback': 'ale_linters#haskell#hdevtools#GetCommand',
+\   'executable': {b -> ale#Var(b, 'haskell_hdevtools_executable')},
+\   'command': function('ale_linters#haskell#hdevtools#GetCommand'),
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/haskell/hie.vim

@@ -35,7 +35,7 @@ endfunction
 call ale#linter#Define('haskell', {
 \   'name': 'hie',
 \   'lsp': 'stdio',
-\   'command_callback': 'ale_linters#haskell#hie#GetCommand',
-\   'executable_callback': ale#VarFunc('haskell_hie_executable'),
-\   'project_root_callback': 'ale_linters#haskell#hie#GetProjectRoot',
+\   'command': function('ale_linters#haskell#hie#GetCommand'),
+\   'executable': {b -> ale#Var(b, 'haskell_hie_executable')},
+\   'project_root': function('ale_linters#haskell#hie#GetProjectRoot'),
 \})

ale_linters/haskell/hlint.vim

@@ -40,7 +40,7 @@ endfunction
 
 call ale#linter#Define('haskell', {
 \   'name': 'hlint',
-\   'executable_callback': ale#VarFunc('haskell_hlint_executable'),
-\   'command_callback': 'ale_linters#haskell#hlint#GetCommand' ,
+\   'executable': {b -> ale#Var(b, 'haskell_hlint_executable')},
+\   'command': function('ale_linters#haskell#hlint#GetCommand') ,
 \   'callback': 'ale_linters#haskell#hlint#Handle',
 \})

ale_linters/haskell/stack_build.vim

@@ -16,8 +16,8 @@ call ale#linter#Define('haskell', {
 \   'name': 'stack_build',
 \   'aliases': ['stack-build'],
 \   'output_stream': 'stderr',
-\   'executable_callback': 'ale#handlers#haskell#GetStackExecutable',
-\   'command_callback': 'ale_linters#haskell#stack_build#GetCommand',
+\   'executable': function('ale#handlers#haskell#GetStackExecutable'),
+\   'command': function('ale_linters#haskell#stack_build#GetCommand'),
 \   'lint_file': 1,
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/haskell/stack_ghc.vim

@@ -14,7 +14,7 @@ call ale#linter#Define('haskell', {
 \   'name': 'stack_ghc',
 \   'aliases': ['stack-ghc'],
 \   'output_stream': 'stderr',
-\   'executable_callback': 'ale#handlers#haskell#GetStackExecutable',
-\   'command_callback': 'ale_linters#haskell#stack_ghc#GetCommand',
+\   'executable': function('ale#handlers#haskell#GetStackExecutable'),
+\   'command': function('ale_linters#haskell#stack_ghc#GetCommand'),
 \   'callback': 'ale#handlers#haskell#HandleGHCFormat',
 \})

ale_linters/html/htmlhint.vim

@@ -24,9 +24,9 @@ endfunction
 
 call ale#linter#Define('html', {
 \   'name': 'htmlhint',
-\   'executable_callback': ale#node#FindExecutableFunc('html_htmlhint', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'html_htmlhint', [
 \       'node_modules/.bin/htmlhint',
-\   ]),
-\   'command_callback': 'ale_linters#html#htmlhint#GetCommand',
+\   ])},
+\   'command': function('ale_linters#html#htmlhint#GetCommand'),
 \   'callback': 'ale#handlers#unix#HandleAsError',
 \})

ale_linters/html/stylelint.vim

@@ -21,7 +21,7 @@ endfunction
 
 call ale#linter#Define('html', {
 \   'name': 'stylelint',
-\   'executable_callback': 'ale_linters#html#stylelint#GetExecutable',
-\   'command_callback': 'ale_linters#html#stylelint#GetCommand',
+\   'executable': function('ale_linters#html#stylelint#GetExecutable'),
+\   'command': function('ale_linters#html#stylelint#GetCommand'),
 \   'callback': 'ale#handlers#css#HandleStyleLintFormat',
 \})

ale_linters/html/tidy.vim

@@ -63,8 +63,8 @@ endfunction
 
 call ale#linter#Define('html', {
 \   'name': 'tidy',
-\   'executable_callback': ale#VarFunc('html_tidy_executable'),
+\   'executable': {b -> ale#Var(b, 'html_tidy_executable')},
 \   'output_stream': 'stderr',
-\   'command_callback': 'ale_linters#html#tidy#GetCommand',
+\   'command': function('ale_linters#html#tidy#GetCommand'),
 \   'callback': 'ale_linters#html#tidy#Handle',
 \ })

ale_linters/idris/idris.vim

@@ -75,7 +75,7 @@ endfunction
 
 call ale#linter#Define('idris', {
 \   'name': 'idris',
-\   'executable_callback': ale#VarFunc('idris_idris_executable'),
-\   'command_callback': 'ale_linters#idris#idris#GetCommand',
+\   'executable': {b -> ale#Var(b, 'idris_idris_executable')},
+\   'command': function('ale_linters#idris#idris#GetCommand'),
 \   'callback': 'ale_linters#idris#idris#Handle',
 \})

ale_linters/ispc/ispc.vim

@@ -38,8 +38,8 @@ endfunction
 call ale#linter#Define('ispc', {
 \   'name': 'ispc',
 \   'output_stream': 'stderr',
-\   'executable_callback': ale#VarFunc('ispc_ispc_executable'),
-\   'command_callback': 'ale_linters#ispc#ispc#GetCommand',
+\   'executable': {b -> ale#Var(b, 'ispc_ispc_executable')},
+\   'command': function('ale_linters#ispc#ispc#GetCommand'),
 \   'callback': 'ale_linters#ispc#ispc#Handle',
 \   'lint_file': 1,
 \})

ale_linters/java/checkstyle.vim

@@ -44,7 +44,7 @@ endif
 call ale#linter#Define('java', {
 \   'name': 'checkstyle',
 \   'executable': 'checkstyle',
-\   'command_callback': 'ale_linters#java#checkstyle#GetCommand',
+\   'command': function('ale_linters#java#checkstyle#GetCommand'),
 \   'callback': 'ale_linters#java#checkstyle#Handle',
 \   'lint_file': 1,
 \})

ale_linters/java/javac.vim

@@ -120,7 +120,7 @@ endfunction
 
 call ale#linter#Define('java', {
 \   'name': 'javac',
-\   'executable_callback': ale#VarFunc('java_javac_executable'),
+\   'executable': {b -> ale#Var(b, 'java_javac_executable')},
 \   'command_chain': [
 \       {'callback': 'ale_linters#java#javac#GetImportPaths', 'output_stream': 'stdout'},
 \       {'callback': 'ale_linters#java#javac#GetCommand', 'output_stream': 'stderr'},

ale_linters/java/javalsp.vim

@@ -16,8 +16,8 @@ endfunction
 call ale#linter#Define('java', {
 \   'name': 'javalsp',
 \   'lsp': 'stdio',
-\   'executable_callback': 'ale_linters#java#javalsp#Executable',
-\   'command_callback': 'ale_linters#java#javalsp#Command',
+\   'executable': function('ale_linters#java#javalsp#Executable'),
+\   'command': function('ale_linters#java#javalsp#Command'),
 \   'language': 'java',
-\   'project_root_callback': 'ale#java#FindProjectRoot',
+\   'project_root': function('ale#java#FindProjectRoot'),
 \})

ale_linters/java/pmd.vim

@@ -31,6 +31,6 @@ endif
 call ale#linter#Define('java', {
 \   'name': 'pmd',
 \   'executable': 'pmd',
-\   'command_callback': 'ale_linters#java#pmd#GetCommand',
+\   'command': function('ale_linters#java#pmd#GetCommand'),
 \   'callback': 'ale_linters#java#pmd#Handle',
 \})

ale_linters/javascript/eslint.vim

@@ -4,7 +4,7 @@
 call ale#linter#Define('javascript', {
 \   'name': 'eslint',
 \   'output_stream': 'both',
-\   'executable_callback': 'ale#handlers#eslint#GetExecutable',
-\   'command_callback': 'ale#handlers#eslint#GetCommand',
+\   'executable': function('ale#handlers#eslint#GetExecutable'),
+\   'command': function('ale#handlers#eslint#GetCommand'),
 \   'callback': 'ale#handlers#eslint#Handle',
 \})

ale_linters/javascript/flow.vim

@@ -168,7 +168,7 @@ endfunction
 
 call ale#linter#Define('javascript', {
 \   'name': 'flow',
-\   'executable_callback': 'ale_linters#javascript#flow#GetExecutable',
+\   'executable': function('ale_linters#javascript#flow#GetExecutable'),
 \   'command_chain': [
 \       {'callback': 'ale_linters#javascript#flow#VersionCheck'},
 \       {'callback': 'ale_linters#javascript#flow#GetCommand'},

ale_linters/javascript/flow_ls.vim

@@ -19,10 +19,10 @@ endfunction
 call ale#linter#Define('javascript', {
 \   'name': 'flow-language-server',
 \   'lsp': 'stdio',
-\   'executable_callback': ale#node#FindExecutableFunc('javascript_flow_ls', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'javascript_flow_ls', [
 \       'node_modules/.bin/flow',
-\   ]),
+\   ])},
 \   'command': '%e lsp --from ale-lsp',
-\   'project_root_callback': 'ale_linters#javascript#flow_ls#FindProjectRoot',
+\   'project_root': function('ale_linters#javascript#flow_ls#FindProjectRoot'),
 \   'language': 'javascript',
 \})

ale_linters/javascript/jscs.vim

@@ -53,9 +53,9 @@ endfunction
 
 call ale#linter#Define('javascript', {
 \   'name': 'jscs',
-\   'executable_callback': ale#node#FindExecutableFunc('javascript_jscs', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'javascript_jscs', [
 \       'node_modules/.bin/jscs',
-\   ]),
-\   'command_callback': 'ale_linters#javascript#jscs#GetCommand',
+\   ])},
+\   'command': function('ale_linters#javascript#jscs#GetCommand'),
 \   'callback': 'ale_linters#javascript#jscs#Handle',
 \})

ale_linters/javascript/jshint.vim

@@ -25,9 +25,9 @@ endfunction
 
 call ale#linter#Define('javascript', {
 \   'name': 'jshint',
-\   'executable_callback': ale#node#FindExecutableFunc('javascript_jshint', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'javascript_jshint', [
 \       'node_modules/.bin/jshint',
-\   ]),
-\   'command_callback': 'ale_linters#javascript#jshint#GetCommand',
+\   ])},
+\   'command': function('ale_linters#javascript#jshint#GetCommand'),
 \   'callback': 'ale#handlers#unix#HandleAsError',
 \})

ale_linters/javascript/standard.vim

@@ -24,7 +24,7 @@ endfunction
 " standard uses eslint and the output format is the same
 call ale#linter#Define('javascript', {
 \   'name': 'standard',
-\   'executable_callback': 'ale_linters#javascript#standard#GetExecutable',
-\   'command_callback': 'ale_linters#javascript#standard#GetCommand',
+\   'executable': function('ale_linters#javascript#standard#GetExecutable'),
+\   'command': function('ale_linters#javascript#standard#GetCommand'),
 \   'callback': 'ale#handlers#eslint#Handle',
 \})

ale_linters/javascript/tsserver.vim

@@ -8,10 +8,10 @@ call ale#Set('javascript_tsserver_use_global', get(g:, 'ale_use_global_executabl
 call ale#linter#Define('javascript', {
 \   'name': 'tsserver',
 \   'lsp': 'tsserver',
-\   'executable_callback': ale#node#FindExecutableFunc('javascript_tsserver', [
+\   'executable': {b -> ale#node#FindExecutable(b, 'javascript_tsserver', [
 \       'node_modules/.bin/tsserver',
-\   ]),
+\   ])},
 \   'command': '%e',
-\   'project_root_callback': 'ale#handlers#tsserver#GetProjectRoot',
+\   'project_root': function('ale#handlers#tsserver#GetProjectRoot'),
 \   'language': '',
 \})

ale_linters/javascript/xo.vim

@@ -20,7 +20,7 @@ endfunction
 " xo uses eslint and the output format is the same
 call ale#linter#Define('javascript', {
 \   'name': 'xo',
-\   'executable_callback': 'ale_linters#javascript#xo#GetExecutable',
-\   'command_callback': 'ale_linters#javascript#xo#GetCommand',
+\   'executable': function('ale_linters#javascript#xo#GetExecutable'),
+\   'command': function('ale_linters#javascript#xo#GetCommand'),
 \   'callback': 'ale#handlers#eslint#Handle',
 \})