[CMake] Build _StringProcessing and RegexBuilder

First pass at getting the StringProcessing and RegexBuilder runtime
libraries built with pure CMake.

Author: etcwilde

Runtimes/Supplemental/StringProcessing/CMakeLists.txt

@@ -2,6 +2,8 @@ cmake_minimum_required(VERSION 3.29)
 
 set(CMAKE_POSITION_INDEPENDENT_CODE YES)
 
+list(APPEND CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/../cmake/modules")
+
 if($ENV{BUILD_NUMBER})
   math(EXPR BUILD_NUMBER "$ENV{BUILD_NUMBER} % 65535")
   set(BUILD_NUMBER ".${BUILD_NUMBER}")
@@ -20,9 +22,13 @@ set(${PROJECT_NAME}_SWIFTC_SOURCE_DIR
 
 find_package(SwiftCore)
 
+include(AvailabilityMacros)
+
 add_compile_options(
   $<$<COMPILE_LANGUAGE:Swift>:-explicit-module-build>
   $<$<COMPILE_LANGUAGE:Swift>:-nostdlibimport>
   "$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -disable-implicit-string-processing-module-import>")
 
 add_subdirectory(_RegexParser)
+add_subdirectory(_StringProcessing)
+add_subdirectory(RegexBuilder)

Runtimes/Supplemental/StringProcessing/RegexBuilder/CMakeLists.txt

@@ -0,0 +1,14 @@
+add_library(swiftRegexBuilder
+  CharacterClass.swift
+  Anchor.swift
+  Builder.swift
+  Algorithms.swift
+  Variadics.swift
+  DSL.swift)
+
+set_target_properties(swiftRegexBuilder PROPERTIES
+  Swift_MODULE_NAME RegexBuilder)
+
+target_link_libraries(swiftRegexBuilder PRIVATE
+  swift_StringProcessing
+  swiftCore)

Runtimes/Supplemental/StringProcessing/_StringProcessing/CMakeLists.txt

@@ -0,0 +1,80 @@
+add_library(swift_StringProcessing
+  _CUnicode/UnicodeData.c
+  _CUnicode/UnicodeScalarProps.c
+  _CharacterClassModel.swift
+  Executor.swift
+  Capture.swift
+  Unicode/NumberParsing.swift
+  Unicode/ASCII.swift
+  Unicode/CharacterProps.swift
+  Unicode/Transcoding.swift
+  Unicode/ScalarProps.swift
+  Unicode/Comparison.swift
+  Unicode/NecessaryEvils.swift
+  Unicode/Validation.swift
+  Unicode/UCD.swift
+  Unicode/NFC.swift
+  Unicode/Encodings.swift
+  Unicode/Formatting.swift
+  Unicode/WordBreaking.swift
+  Unicode/Decoding.swift
+  Unicode/CaseConversion.swift
+  Algorithms/Matching/FirstMatch.swift
+  Algorithms/Matching/MatchingCollectionSearcher.swift
+  Algorithms/Matching/MatchResult.swift
+  Algorithms/Matching/MatchReplace.swift
+  Algorithms/Matching/Matches.swift
+  Algorithms/Algorithms/FirstRange.swift
+  Algorithms/Algorithms/Contains.swift
+  Algorithms/Algorithms/Split.swift
+  Algorithms/Algorithms/Trim.swift
+  Algorithms/Algorithms/Ranges.swift
+  Algorithms/Algorithms/StartsWith.swift
+  Algorithms/Algorithms/Replace.swift
+  Algorithms/Algorithms/SubstringSearcher.swift
+  Algorithms/Searchers/CollectionSearcher.swift
+  Algorithms/Searchers/ZSearcher.swift
+  Algorithms/Consumers/CollectionConsumer.swift
+  Algorithms/Consumers/FixedPatternConsumer.swift
+  Regex/Options.swift
+  Regex/Match.swift
+  Regex/CustomComponents.swift
+  Regex/Core.swift
+  Regex/ASTConversion.swift
+  Regex/DSLTree.swift
+  Regex/AnyRegexOutput.swift
+  LiteralPrinter.swift
+  MatchingOptions.swift
+  Compiler.swift
+  ConsumerInterface.swift
+  PrintAsPattern.swift
+  Engine/MEBuiltins.swift
+  Engine/Processor.swift
+  Engine/MEProgram.swift
+  Engine/MEQuantify.swift
+  Engine/InstPayload.swift
+  Engine/Backtracking.swift
+  Engine/Instruction.swift
+  Engine/Registers.swift
+  Engine/MEBuilder.swift
+  Engine/Structuralize.swift
+  Engine/Tracing.swift
+  Engine/Metrics.swift
+  Engine/MECapture.swift
+  ByteCodeGen.swift
+  Utility/AsciiBitset.swift
+  Utility/Traced.swift
+  Utility/TypedIndex.swift
+  Utility/Misc.swift
+  Utility/TypedInt.swift
+  Utility/Protocols.swift
+  Utility/TypeVerification.swift
+  Utility/RegexFactory.swift
+  Utility/ASTBuilder.swift)
+
+set_target_properties(swift_StringProcessing PROPERTIES
+  Swift_MODULE_NAME _StringProcessing)
+
+target_link_libraries(swift_StringProcessing PRIVATE
+    swift_RegexParser
+    swiftCore)

Runtimes/Supplemental/cmake/modules/AvailabilityMacros.cmake

@@ -0,0 +1,5 @@
+file(STRINGS "${${PROJECT_NAME}_SWIFTC_SOURCE_DIR}/utils/availability-macros.def" availability_defs)
+list(FILTER availability_defs EXCLUDE REGEX "^\\s*(#.*)?$")
+foreach(def ${availability_defs})
+  add_compile_options("$<$<COMPILE_LANGUAGE:Swift>:SHELL:-Xfrontend -define-availability -Xfrontend \"${def}\">")
+endforeach()