Delete _InternalSwiftSyntaxParser And Its Build Infrastructure

.flake8

@@ -16,7 +16,6 @@ filename =
 
     ./utils/80+-check,
     ./utils/backtrace-check,
-    ./utils/build-parser-lib,
     ./utils/build-script,
     ./utils/check-incremental,
     ./utils/coverage/coverage-build-db,

CMakeLists.txt

@@ -572,13 +572,6 @@ option(SWIFT_ENABLE_GLOBAL_ISEL_ARM64
   "Enable global isel on arm64"
   FALSE)
 
-cmake_dependent_option(SWIFT_BUILD_SYNTAXPARSERLIB
-  "Build the Swift Syntax Parser library" TRUE
-  "SWIFT_ENABLE_DISPATCH" FALSE)
-cmake_dependent_option(SWIFT_BUILD_ONLY_SYNTAXPARSERLIB
-  "Only build the Swift Syntax Parser library" FALSE
-  "SWIFT_BUILD_SYNTAXPARSERLIB" FALSE)
-
 cmake_dependent_option(SWIFT_BUILD_SOURCEKIT
   "Build SourceKit" TRUE
   "SWIFT_ENABLE_DISPATCH" FALSE)
@@ -637,13 +630,13 @@ 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
   # specifically if these two libraries that depend on it are built.
-  if(SWIFT_INCLUDE_TOOLS AND (SWIFT_BUILD_SYNTAXPARSERLIB OR SWIFT_BUILD_SOURCEKIT))
+  if(SWIFT_INCLUDE_TOOLS AND SWIFT_BUILD_SOURCEKIT)
     set(SWIFT_BUILD_HOST_DISPATCH TRUE)
   endif()
 
   if(SWIFT_BUILD_HOST_DISPATCH OR SWIFT_CONCURRENCY_USES_DISPATCH)
     if(NOT EXISTS "${SWIFT_PATH_TO_LIBDISPATCH_SOURCE}")
-      message(SEND_ERROR "SyntaxParserLib, SourceKit, and concurrency require libdispatch on non-Darwin hosts.  Please specify SWIFT_PATH_TO_LIBDISPATCH_SOURCE")
+      message(SEND_ERROR "SourceKit and concurrency require libdispatch on non-Darwin hosts.  Please specify SWIFT_PATH_TO_LIBDISPATCH_SOURCE")
     endif()
   endif()
 endif()

cmake/caches/Linux-x86_64.cmake

@@ -148,7 +148,6 @@ set(SWIFT_INSTALL_COMPONENTS
       sourcekit-inproc
       swift-remote-mirror
       swift-remote-mirror-headers
-      parser-lib
     CACHE STRING "")
 
 set(LLVM_DISTRIBUTION_COMPONENTS

cmake/caches/Runtime-Android-aarch64.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Runtime-Android-armv7.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Runtime-Linux-x86_64.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Runtime-WASI-wasm32.cmake

@@ -9,7 +9,6 @@ set(SWIFT_INCLUDE_TOOLS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_TESTS TRUE CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 set(SWIFT_ENABLE_SOURCEKIT_TESTS NO CACHE BOOL "")
 

cmake/caches/Runtime-Windows-aarch64.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Runtime-Windows-i686.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Runtime-Windows-x86_64.cmake

@@ -13,7 +13,6 @@ set(SWIFT_INCLUDE_TESTS NO CACHE BOOL "")
 set(SWIFT_INCLUDE_DOCS NO CACHE BOOL "")
 
 # NOTE(compnerd) these are part of the toolchain, not the runtime.
-set(SWIFT_BUILD_SYNTAXPARSERLIB NO CACHE BOOL "")
 set(SWIFT_BUILD_SOURCEKIT NO CACHE BOOL "")
 
 # NOTE(compnerd) build with the compiler specified, not a just built compiler.

cmake/caches/Windows-arm64.cmake

@@ -149,7 +149,6 @@ set(SWIFT_INSTALL_COMPONENTS
       sourcekit-inproc
       swift-remote-mirror
       swift-remote-mirror-headers
-      parser-lib
     CACHE STRING "")
 
 set(LLVM_DISTRIBUTION_COMPONENTS

cmake/caches/Windows-x86_64.cmake

@@ -149,7 +149,6 @@ set(SWIFT_INSTALL_COMPONENTS
       sourcekit-inproc
       swift-remote-mirror
       swift-remote-mirror-headers
-      parser-lib
     CACHE STRING "")
 
 set(LLVM_DISTRIBUTION_COMPONENTS

cmake/modules/SwiftComponents.cmake

@@ -64,13 +64,12 @@
 #   Swift code.
 # * toolchain-tools -- a subset of tools that we will install to the OSS toolchain.
 # * testsuite-tools -- extra tools required to run the Swift testsuite.
-# * parser-lib -- Build the syntax parser library used by SwiftSyntax.
 # * static-mirror-lib -- Build the static mirror library used by SwiftStaticMirror.
 # * toolchain-dev-tools -- install development tools useful in a shared toolchain
 # * llvm-toolchain-dev-tools -- install LLVM development tools useful in a shared toolchain
 # * dev -- headers and libraries required to use Swift compiler as a library.
 set(_SWIFT_DEFINED_COMPONENTS
-  "autolink-driver;back-deployment;compiler;clang-builtin-headers;clang-resource-dir-symlink;clang-builtin-headers-in-clang-resource-dir;stdlib;stdlib-experimental;sdk-overlay;parser-lib;static-mirror-lib;editor-integration;tools;testsuite-tools;toolchain-tools;toolchain-dev-tools;llvm-toolchain-dev-tools;dev;license;sourcekit-xpc-service;sourcekit-inproc;swift-remote-mirror;swift-remote-mirror-headers")
+  "autolink-driver;back-deployment;compiler;clang-builtin-headers;clang-resource-dir-symlink;clang-builtin-headers-in-clang-resource-dir;stdlib;stdlib-experimental;sdk-overlay;static-mirror-lib;editor-integration;tools;testsuite-tools;toolchain-tools;toolchain-dev-tools;llvm-toolchain-dev-tools;dev;license;sourcekit-xpc-service;sourcekit-inproc;swift-remote-mirror;swift-remote-mirror-headers")
 
 # The default install components include all of the defined components, except
 # for the following exceptions.

docs/OpenBSD.md

@@ -68,7 +68,7 @@ These options are:
 * `--skip-build-clang-tools-extra` and `--skip-build-compiler-rt`: to ensure LLVM builds cleanly,
 * `--extra-cmake-options=`
   * `-DCMAKE_DISABLE_FIND_PACKAGE_Backtrace=TRUE,-DCMAKE_DISABLE_FIND_PACKAGE_LibXml2=TRUE,-DLLVM_VERSION_SUFFIX=''`: to ensure LLVM builds cleanly,
-  * `-DSWIFT_ENABLE_DISPATCH=FALSE,-DSWIFT_BUILD_SOURCEKIT=OFF,-DSWIFT_BUILD_SYNTAXPARSERLIB=OFF,-DSWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY=OFF,-DSWIFT_IMPLICIT_CONCURRENCY_IMPORT=OFF,-DSWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED=OFF`: to ensure Swift does not attempt to build libdispatch, which is not yet supported on OpenBSD,
+  * `-DSWIFT_ENABLE_DISPATCH=FALSE,-DSWIFT_BUILD_SOURCEKIT=OFF,-DSWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY=OFF,-DSWIFT_IMPLICIT_CONCURRENCY_IMPORT=OFF,-DSWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED=OFF`: to ensure Swift does not attempt to build libdispatch, which is not yet supported on OpenBSD,
   * `-DSWIFT_USE_LINKER=lld`: to specify that `lld` should be used over `gold`,
   * `-DCMAKE_INSTALL_DIR=/usr/local"`: to set the correct platform install directory.
 
@@ -84,7 +84,6 @@ $ ./utils/build-script \
         -DLLVM_VERSION_SUFFIX='',\
         -DSWIFT_ENABLE_DISPATCH=OFF,\
         -DSWIFT_BUILD_SOURCEKIT=OFF,\
-        -DSWIFT_BUILD_SYNTAXPARSERLIB=OFF,\
         -DSWIFT_ENABLE_EXPERIMENTAL_CONCURRENCY=OFF,\
         -DSWIFT_IMPLICIT_CONCURRENCY_IMPORT=OFF,\
         -DSWIFT_ENABLE_EXPERIMENTAL_DISTRIBUTED=OFF,\