libswift: add SubstitutionMap to Swift code

Author: MaxDesiatov

SwiftCompilerSources/Sources/AST/CMakeLists.txt

@@ -0,0 +1,11 @@
+# This source file is part of the Swift.org open source project
+#
+# Copyright (c) 2014 - 2021 Apple Inc. and the Swift project authors
+# Licensed under Apache License v2.0 with Runtime Library Exception
+#
+# See http://swift.org/LICENSE.txt for license information
+# See http://swift.org/CONTRIBUTORS.txt for Swift project authors
+
+add_swift_compiler_module(AST
+  SubstitutionMap.swift)
+

SwiftCompilerSources/Sources/AST/SubstitutionMap.swift

@@ -0,0 +1,21 @@
+//===--- PassUtils.swift - Utilities for optimzation passes ---------------===//
+//
+// This source file is part of the Swift.org open source project
+//
+// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
+// Licensed under Apache License v2.0 with Runtime Library Exception
+//
+// See https://swift.org/LICENSE.txt for license information
+// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
+//
+//===----------------------------------------------------------------------===//
+
+import SILBridging
+
+public struct SubstitutionMap {
+  let bridged: BridgedSubstitutionMap
+
+  public init(_ bridged: BridgedSubstitutionMap) {
+    self.bridged = bridged
+  }
+}

SwiftCompilerSources/Sources/CMakeLists.txt

@@ -9,5 +9,6 @@
 if(SWIFT_ENABLE_EXPERIMENTAL_STRING_PROCESSING)
   add_subdirectory(ExperimentalRegex)
 endif()
+add_subdirectory(AST)
 add_subdirectory(SIL)
 add_subdirectory(Optimizer)