Move regex literal parsing logic from SwiftCompilerSources to ASTGen

SwiftCompilerSources/CMakeLists.txt

@@ -241,15 +241,9 @@ else()
 #include \"Basic/BasicBridging.h\"
 #include \"Basic/SourceLoc.h\"
 
-#include \"AST/ASTBridging.h\"
-#include \"AST/DiagnosticEngine.h\"
-#include \"AST/DiagnosticConsumer.h\"
-
 #include \"SIL/SILBridging.h\"
 
 #include \"SILOptimizer/OptimizerBridging.h\"
-
-#include \"Parse/RegexParserBridging.h\"
 ")
   add_custom_command(
     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/HeaderDependencies.cpp"

SwiftCompilerSources/Package.swift

@@ -48,39 +48,22 @@ let package = Package(
     .library(
       name: "swiftCompilerModules",
       type: .static,
-      targets: ["Basic", "AST", "Parse", "SIL", "Optimizer", "_CompilerRegexParser"]),
+      targets: ["Basic", "SIL", "Optimizer"]),
   ],
   dependencies: [
   ],
   // Note that targets and their dependencies must align with
   // 'SwiftCompilerSources/Sources/CMakeLists.txt'
   targets: [
-    .compilerModuleTarget(
-      name: "_CompilerRegexParser",
-      dependencies: [],
-      path: "_RegexParser_Sources",
-      swiftSettings: [
-        // Workaround until `_CompilerRegexParser` is imported as implementation-only
-        // by `_StringProcessing`.
-        .unsafeFlags([
-          "-Xfrontend",
-          "-disable-implicit-string-processing-module-import"
-        ])]),
     .compilerModuleTarget(
       name: "Basic",
       dependencies: []),
-    .compilerModuleTarget(
-      name: "AST",
-      dependencies: ["Basic"]),
-    .compilerModuleTarget(
-      name: "Parse",
-      dependencies: ["Basic", "AST", "_CompilerRegexParser"]),
     .compilerModuleTarget(
       name: "SIL",
       dependencies: ["Basic"]),
     .compilerModuleTarget(
       name: "Optimizer",
-      dependencies: ["Basic", "SIL", "Parse"]),
+      dependencies: ["Basic", "SIL"]),
   ],
   cxxLanguageStandard: .cxx17
 )

SwiftCompilerSources/Sources/CMakeLists.txt

@@ -8,11 +8,6 @@
 
 # NOTE: Subdirectories must be added in dependency order.
 
-if(SWIFT_BUILD_REGEX_PARSER_IN_COMPILER)
-  add_subdirectory(_RegexParser)
-endif()
 add_subdirectory(Basic)
-add_subdirectory(AST)
-add_subdirectory(Parse)
 add_subdirectory(SIL)
 add_subdirectory(Optimizer)

SwiftCompilerSources/Sources/Optimizer/CMakeLists.txt

@@ -7,7 +7,7 @@
 # See http://swift.org/CONTRIBUTORS.txt for Swift project authors
 
 set(dependencies)
-list(APPEND dependencies Basic SIL Parse)
+list(APPEND dependencies Basic SIL)
 
 add_swift_compiler_module(Optimizer DEPENDS ${dependencies})
 

SwiftCompilerSources/Sources/Optimizer/PassManager/PassRegistration.swift

@@ -12,14 +12,12 @@
 
 import SIL
 import OptimizerBridging
-import Parse
 
-@_cdecl("initializeSwiftModules")
-public func initializeSwiftModules() {
+@_cdecl("initializeSwiftSILModules")
+public func initializeSwiftSILModules() {
   registerSILClasses()
   registerSwiftAnalyses()
   registerSwiftPasses()
-  initializeSwiftParseModules()
   registerSILTests()
 }
 

SwiftCompilerSources/stubs.cpp

@@ -12,10 +12,8 @@
 
 extern "C" {
 
-void initializeSwiftModules();
-void initializeSwiftParseModules();
+void initializeSwiftSILModules();
 
 }
 
-void initializeSwiftModules() {}
-void initializeSwiftParseModules() {}
+void initializeSwiftSILModules() {}

include/module.modulemap

@@ -12,10 +12,7 @@ module CBasicBridging {
 
 module ASTBridging {
   header "swift/AST/AnyFunctionRef.h"
-  header "swift/AST/ASTBridging.h"
   header "swift/AST/Builtins.h"
-  header "swift/AST/DiagnosticEngine.h"
-  header "swift/AST/DiagnosticConsumer.h"
   header "swift/AST/ForeignAsyncConvention.h"
   header "swift/AST/ForeignErrorConvention.h"
   header "swift/AST/SubstitutionMap.h"
@@ -41,8 +38,3 @@ module OptimizerBridging {
   header "swift/SILOptimizer/OptimizerBridging.h"
   export *
 }
-
-module _RegexParserBridging {
-  header "swift/Parse/RegexParserBridging.h"
-  export *
-}