+if GetOption("linter") == nil then
+ AddOption("linter", true)
+end
+
+MakeCommand("lint", "linter.lintCommand", 0)
+
+function lintCommand()
+ CurView():Save(false)
+ runLinter()
+end
+
+function runLinter()
+ local ft = CurView().Buf:FileType()
+ local file = CurView().Buf.Path
+ local devnull = "/dev/null"
+ local temp = os.getenv("TMPDIR")
+ if OS == "windows" then
+ devnull = "NUL"
+ temp = os.getenv("TEMP")
+ end
+ if ft == "go" then
+ lint("gobuild", "go", {"build", "-o", devnull}, "%f:%l: %m")
+ lint("golint", "golint", {CurView().Buf.Path}, "%f:%l:%d+: %m")
+ elseif ft == "lua" then
+ lint("luacheck", "luacheck", {"--no-color", file}, "%f:%l:%d+: %m")
+ elseif ft == "python" then
+ lint("pyflakes", "pyflakes", {file}, "%f:%l:.-:? %m")
+ lint("mypy", "mypy", {file}, "%f:%l: %m")
+ lint("pylint", "pylint", {"--output-format=parseable", "--reports=no", file}, "%f:%l: %m")
+ elseif ft == "c" then
+ lint("gcc", "gcc", {"-fsyntax-only", "-Wall", "-Wextra", file}, "%f:%l:%d+:.+: %m")
+ elseif ft == "c++" then
+ lint("gcc", "gcc", {"-fsyntax-only","-std=c++14", "-Wall", "-Wextra", file}, "%f:%l:%d+:.+: %m")
+ elseif ft == "swift" then
+ lint("switfc", "xcrun", {"swiftc", file}, "%f:%l:%d+:.+: %m")
+ elseif ft == "Objective-C" then
+ lint("clang", "xcrun", {"clang", "-fsyntax-only", "-Wall", "-Wextra", file}, "%f:%l:%d+:.+: %m")
+ elseif ft == "d" then
+ lint("dmd", "dmd", {"-color=off", "-o-", "-w", "-wi", "-c", file}, "%f%(%l%):.+: %m")
+ elseif ft == "java" then
+ lint("javac", "javac", {"-d", temp, file}, "%f:%l: error: %m")
+ elseif ft == "javascript" then
+ lint("jshint", "jshint", {file}, "%f: line %l,.+, %m")
+ elseif ft == "nim" then
+ lint("nim", "nim", {"check", "--listFullPaths", "--stdout", "--hints:off", file}, "%f.%l, %d+. %m")
+ end
+end
+
+function onSave(view)
+ if GetOption("linter") then
+ runLinter()
+ else
+ CurView():ClearAllGutterMessages()
+ end
+end
+
+function lint(linter, cmd, args, errorformat)
+ CurView():ClearGutterMessages(linter)
+
+ JobSpawn(cmd, args, "", "", "linter.onExit", linter, errorformat)
+end