XCode project for app, moved app project to folder

SideStoreApp/Sources/Cargo/swiftlint/Helpers/CompilerArgumentsExtractor.swift

@@ -0,0 +1,108 @@
+import Foundation
+
+struct CompilerArgumentsExtractor {
+    static func allCompilerInvocations(compilerLogs: String) -> [[String]] {
+        var compilerInvocations = [[String]]()
+        compilerLogs.enumerateLines { line, _ in
+            if let swiftcIndex = line.range(of: "swiftc ")?.upperBound, line.contains(" -module-name ") {
+                let invocation = parseCLIArguments(String(line[swiftcIndex...]))
+                    .expandingResponseFiles
+                    .filteringCompilerArguments
+                compilerInvocations.append(invocation)
+            }
+        }
+        return compilerInvocations
+    }
+}
+
+// MARK: - Private
+
+private func parseCLIArguments(_ string: String) -> [String] {
+    let escapedSpacePlaceholder = "\u{0}"
+    let scanner = Scanner(string: string)
+    var str = ""
+    var didStart = false
+    while let result = scanner.scanUpToString("\"") {
+        if didStart {
+            str += result.replacingOccurrences(of: " ", with: escapedSpacePlaceholder)
+            str += " "
+        } else {
+            str += result
+        }
+        _ = scanner.scanString("\"")
+        didStart.toggle()
+    }
+    return str.trimmingCharacters(in: .whitespaces)
+        .replacingOccurrences(of: "\\ ", with: escapedSpacePlaceholder)
+        .components(separatedBy: " ")
+        .map { $0.replacingOccurrences(of: escapedSpacePlaceholder, with: " ") }
+}
+
+/**
+ Partially filters compiler arguments from `xcodebuild` to something that SourceKit/Clang will accept.
+
+ - parameter args: Compiler arguments, as parsed from `xcodebuild`.
+
+ - returns: A tuple of partially filtered compiler arguments in `.0`, and whether or not there are
+ more flags to remove in `.1`.
+ */
+private func partiallyFilter(arguments args: [String]) -> ([String], Bool) {
+    guard let indexOfFlagToRemove = args.firstIndex(of: "-output-file-map") else {
+        return (args, false)
+    }
+    var args = args
+    args.remove(at: args.index(after: indexOfFlagToRemove))
+    args.remove(at: indexOfFlagToRemove)
+    return (args, true)
+}
+
+extension Array where Element == String {
+    /// Return the full list of compiler arguments, replacing any response files with their contents.
+    fileprivate var expandingResponseFiles: [String] {
+        return flatMap { arg -> [String] in
+            guard arg.starts(with: "@") else {
+                return [arg]
+            }
+            let responseFile = String(arg.dropFirst())
+            return (try? String(contentsOf: URL(fileURLWithPath: responseFile, isDirectory: false))).flatMap {
+                $0.trimmingCharacters(in: .newlines)
+                  .components(separatedBy: "\n")
+                  .expandingResponseFiles
+            } ?? [arg]
+        }
+    }
+
+    /// Returns filtered compiler arguments from `xcodebuild` to something that SourceKit/Clang will accept.
+    var filteringCompilerArguments: [String] {
+        var args = self
+        if args.first == "swiftc" {
+            args.removeFirst()
+        }
+
+        // https://github.com/realm/SwiftLint/issues/3365
+        args = args.map { $0.replacingOccurrences(of: "\\=", with: "=") }
+        args = args.map { $0.replacingOccurrences(of: "\\ ", with: " ") }
+        args.append(contentsOf: ["-D", "DEBUG"])
+        var shouldContinueToFilterArguments = true
+        while shouldContinueToFilterArguments {
+            (args, shouldContinueToFilterArguments) = partiallyFilter(arguments: args)
+        }
+
+        return args.filter {
+            ![
+                "-parseable-output",
+                "-incremental",
+                "-serialize-diagnostics",
+                "-emit-dependencies",
+                "-use-frontend-parseable-output"
+            ].contains($0)
+        }.map {
+            if $0 == "-O" {
+                return "-Onone"
+            } else if $0 == "-DNDEBUG=1" {
+                return "-DDEBUG=1"
+            }
+            return $0
+        }
+    }
+}