Merge pull request swiftlang#69937 from rintaro/5.10-astgen-regex

[5.10][ASTGen] Move regex literal parsing from SwiftCompilerSources to ASTGen

Author: rintaro

CMakeLists.txt

@@ -270,10 +270,6 @@ option(SWIFT_BUILD_PERF_TESTSUITE
     "Create in-tree targets for building swift performance benchmarks."
     FALSE)
 
-option(SWIFT_BUILD_REGEX_PARSER_IN_COMPILER
-    "Build the Swift regex parser as part of the compiler."
-    TRUE)
-
 option(SWIFT_INCLUDE_TESTS "Create targets for building/running tests." TRUE)
 
 option(SWIFT_INCLUDE_TEST_BINARIES
@@ -696,6 +692,14 @@ option(SWIFT_BUILD_SWIFT_SYNTAX
   "Enable building swift syntax"
   FALSE)
 
+option(SWIFT_BUILD_REGEX_PARSER_IN_COMPILER
+    "Build the Swift regex parser as part of the compiler."
+    TRUE)
+if(SWIFT_BUILD_REGEX_PARSER_IN_COMPILER AND NOT SWIFT_BUILD_SWIFT_SYNTAX)
+  message(WARNING "Force setting SWIFT_BUILD_REGEX_PARSER_IN_COMPILER=OFF because Swift parser integration is disabled")
+  set(SWIFT_BUILD_REGEX_PARSER_IN_COMPILER OFF)
+endif()
+
 set(SWIFT_BUILD_HOST_DISPATCH FALSE)
 if(SWIFT_ENABLE_DISPATCH AND NOT CMAKE_SYSTEM_NAME STREQUAL "Darwin")
   # Only build libdispatch for the host if the host tools are being built and

SwiftCompilerSources/CMakeLists.txt

@@ -239,20 +239,13 @@ else()
        "
 #include \"Basic/BridgedSwiftObject.h\"
 #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 "${CMAKE_CURRENT_BINARY_DIR}/HeaderDependencies.cpp"
+    DEPENDS "${CMAKE_CURRENT_BINARY_DIR}/HeaderDependencies.cpp.tmp"
     COMMAND ${CMAKE_COMMAND} -E copy_if_different
       "${CMAKE_CURRENT_BINARY_DIR}/HeaderDependencies.cpp.tmp"
       "${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/AST/CMakeLists.txt

@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-import ASTBridging
+import BasicBridging
 
 public struct SourceLoc {
   /// Points into a source file.

SwiftCompilerSources/Sources/AST/DiagnosticEngine.swift

@@ -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/Basic/SourceLoc.swift

@@ -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/CMakeLists.txt

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