build: add a CMake based build

CMakeLists.txt

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+
+cmake_minimum_required(VERSION 3.18)
+project(SwiftExperimentalStringProcessing
+  LANGUAGES Swift)
+
+if(CMAKE_SYSTEM_NAME STREQUAL Windows OR CMAKE_SYSTEM_NAME STREQUAL Darwin)
+  option(BUILD_SHARED_LIBS "Build shared libraries by default" YES)
+endif()
+
+set(CMAKE_ARCHIVE_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_LIBRARY_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/lib)
+set(CMAKE_RUNTIME_OUTPUT_DIRECTORY ${CMAKE_BINARY_DIR}/bin)
+set(CMAKE_Swift_MODULE_DIRECTORY ${CMAKE_BINARY_DIR}/swift)
+
+find_package(ArgumentParser CONFIG)
+
+add_subdirectory(Sources)

Sources/CMakeLists.txt

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+
+add_subdirectory(_Unicode)
+add_subdirectory(_MatchingEngine)
+add_subdirectory(_StringProcessing)
+add_subdirectory(Prototypes)
+add_subdirectory(VariadicsGenerator)

Sources/Prototypes/CMakeLists.txt

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+
+add_library(Prototypes
+  Combinators/Combinators.swift
+  PEG/PEG.swift
+  PEG/PEGCode.swift
+  PEG/PEGCompile.swift
+  PEG/PEGCore.swift
+  PEG/PEGInterpreter.swift
+  PEG/PEGTranspile.swift
+  PEG/PEGVM.swift
+  PEG/PEGVMExecute.swift
+  PEG/Printing.swift
+  PTCaRet/Interpreter.swift
+  PTCaRet/PTCaRet.swift
+  TourOfTypes/CharacterClass.swift
+  TourOfTypes/Literal.swift)
+target_link_libraries(Prototypes PUBLIC
+  _MatchingEngine)

Sources/VariadicsGenerator/CMakeLists.txt

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+
+add_executable(VariadicsGenerator
+  VariadicsGenerator.swift)
+target_compile_options(VariadicsGenerator PRIVATE
+  -parse-as-library)
+target_link_libraries(VariadicsGenerator PUBLIC
+  ArgumentParser)

Sources/_MatchingEngine/CMakeLists.txt

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+
+add_library(_MatchingEngine
+  Engine/Backtracking.swift
+  Engine/Builder.swift
+  Engine/Capture.swift
+  Engine/Consume.swift
+  Engine/Engine.swift
+  Engine/InstPayload.swift
+  Engine/Instruction.swift
+  Engine/Processor.swift
+  Engine/Program.swift
+  Engine/Registers.swift
+  Engine/Tracing.swift
+  Regex/AST/AST.swift
+  Regex/AST/ASTAction.swift
+  Regex/AST/ASTProtocols.swift
+  Regex/AST/Atom.swift
+  Regex/AST/Conditional.swift
+  Regex/AST/CustomCharClass.swift
+  Regex/AST/Group.swift
+  Regex/AST/MatchingOptions.swift
+  Regex/AST/Quantification.swift
+  Regex/Parse/CaptureStructure.swift
+  Regex/Parse/CharacterPropertyClassification.swift
+  Regex/Parse/Diagnostics.swift
+  Regex/Parse/LexicalAnalysis.swift
+  Regex/Parse/Mocking.swift
+  Regex/Parse/Parse.swift
+  Regex/Parse/Source.swift
+  Regex/Parse/SourceLocation.swift
+  Regex/Parse/SyntaxOptions.swift
+  Regex/Printing/DumpAST.swift
+  Regex/Printing/PrettyPrinter.swift
+  Regex/Printing/PrintAsCanonical.swift
+  Regex/Printing/PrintAsPattern.swift
+  Regex/Printing/RenderRanges.swift
+  Utility/AllScalars.swift
+  Utility/Formatting.swift
+  Utility/Misc.swift
+  Utility/MissingUnicode.swift
+  Utility/Protocols.swift
+  Utility/TypeConstruction.swift
+  Utility/TypedIndex.swift
+  Utility/TypedInt.swift)
+target_compile_options(_MatchingEngine PRIVATE
+  -enable-library-evolution)

Sources/_StringProcessing/CMakeLists.txt

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+
+add_library(_StringProcessing
+  Algorithms/Algorithms/Contains.swift
+  Algorithms/Algorithms/FirstRange.swift
+  Algorithms/Algorithms/Ranges.swift
+  Algorithms/Algorithms/Replace.swift
+  Algorithms/Algorithms/Split.swift
+  Algorithms/Algorithms/StartsWith.swift
+  Algorithms/Algorithms/Trim.swift
+  Algorithms/Consumers/CollectionConsumer.swift
+  Algorithms/Consumers/FixedPatternConsumer.swift
+  Algorithms/Consumers/ManyConsumer.swift
+  Algorithms/Consumers/PredicateConsumer.swift
+  Algorithms/Consumers/RegexConsumer.swift
+  Algorithms/Searchers/CollectionSearcher.swift
+  Algorithms/Searchers/ConsumerSearcher.swift
+  Algorithms/Searchers/NaivePatternSearcher.swift
+  Algorithms/Searchers/PatternOrEmpty.swift
+  Algorithms/Searchers/PredicateSearcher.swift
+  Algorithms/Searchers/TwoWaySearcher.swift
+  Algorithms/Searchers/ZSearcher.swift
+  ASTBuilder.swift
+  Capture.swift
+  CharacterClass.swift
+  Compiler.swift
+  ConsumerInterface.swift
+  Executor.swift
+  Legacy/HareVM.swift
+  Legacy/LegacyCompile.swift
+  Legacy/RECode.swift
+  Legacy/TortoiseVM.swift
+  Legacy/VirtualMachine.swift
+  RegexDSL/Builder.swift
+  RegexDSL/Concatenation.swift
+  RegexDSL/Core.swift
+  RegexDSL/DSL.swift
+  RegexDSL/DSLCapture.swift
+  RegexDSL/DynamicCaptures.swift)
+target_compile_options(_StringProcessing PRIVATE
+  -enable-library-evolution)
+target_link_libraries(_StringProcessing PUBLIC
+  _MatchingEngine)

Sources/_Unicode/CMakeLists.txt

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+
+add_library(_Unicode
+  CaseConversion.swift
+  CharacterProps.swift
+  Comparison.swift
+  Decoding.swift
+  Encodings.swift
+  Formatting.swift
+  Graphemes.swift
+  NecessaryEvils.swift
+  Normaliation.swift
+  NumberParsing.swift
+  ScalarProps.swift
+  Transcoding.swift
+  UCD.swift
+  Validation.swift)