Revert "[AST] Add generator for source location introspection"

This reverts commit d627a27.

This fails to link on Windows somehow.

clang/lib/Tooling/CMakeLists.txt

@@ -8,78 +8,10 @@ add_subdirectory(Core)
 add_subdirectory(Inclusions)
 add_subdirectory(Refactoring)
 add_subdirectory(ASTDiff)
-add_subdirectory(DumpTool)
 add_subdirectory(Syntax)
 add_subdirectory(DependencyScanning)
 add_subdirectory(Transformer)
 
-find_package(Python3 COMPONENTS Interpreter)
-
-# The generation of ASTNodeAPI.json takes a long time in a
-# Debug build due to parsing AST.h. Disable the processing
-# but setting CLANG_TOOLING_BUILD_AST_INTROSPECTION as an
-# internal hidden setting to override.
-# When the processing is disabled, a trivial/empty JSON
-# file is generated by clang-ast-dump and generate_cxx_src_locs.py
-# generates the same API, but with a trivial implementation.
-
-option(CLANG_TOOLING_BUILD_AST_INTROSPECTION "Enable AST introspection" TRUE)
-set(skip_expensive_processing $<OR:$<CONFIG:Debug>,$<NOT:$<BOOL:${CLANG_TOOLING_BUILD_AST_INTROSPECTION}>>>)
-
-add_custom_command(
-    COMMENT Generate ASTNodeAPI.json
-    OUTPUT ${CMAKE_BINARY_DIR}/ASTNodeAPI.json
-    DEPENDS clang-ast-dump clang-headers
-    COMMAND
-    $<TARGET_FILE:clang-ast-dump>
-      # Skip this in debug mode because parsing AST.h is too slow
-      --skip-processing=${skip_expensive_processing}
-      --astheader=${CMAKE_SOURCE_DIR}/../clang/include/clang/AST/AST.h
-      -I ${CMAKE_BINARY_DIR}/lib/clang/${LLVM_VERSION_MAJOR}.${LLVM_VERSION_MINOR}.${LLVM_VERSION_PATCH}/include
-      -I ${CMAKE_SOURCE_DIR}/../clang/include
-      -I ${CMAKE_BINARY_DIR}/tools/clang/include/
-      -I ${CMAKE_BINARY_DIR}/include
-      -I ${CMAKE_SOURCE_DIR}/include
-      --json-output-path ${CMAKE_BINARY_DIR}/ASTNodeAPI.json
-)
-
-add_custom_target(run-ast-api-dump-tool
-    DEPENDS ${CMAKE_BINARY_DIR}/ASTNodeAPI.json
-)
-
-# Replace the last lib component of the current binary directory with include
-string(FIND ${CMAKE_CURRENT_BINARY_DIR} "/lib/" PATH_LIB_START REVERSE)
-if(PATH_LIB_START EQUAL -1)
-  message(FATAL_ERROR "Couldn't find lib component in binary directory")
-endif()
-math(EXPR PATH_LIB_END "${PATH_LIB_START}+5")
-string(SUBSTRING ${CMAKE_CURRENT_BINARY_DIR} 0 ${PATH_LIB_START} PATH_HEAD)
-string(SUBSTRING ${CMAKE_CURRENT_BINARY_DIR} ${PATH_LIB_END} -1 PATH_TAIL)
-string(CONCAT BINARY_INCLUDE_DIR ${PATH_HEAD} "/include/clang/" ${PATH_TAIL})
-
-add_custom_command(
-    COMMENT Generate NodeIntrospection.inc
-    OUTPUT ${BINARY_INCLUDE_DIR}/NodeIntrospection.inc
-    DEPENDS ${CMAKE_BINARY_DIR}/ASTNodeAPI.json ${CMAKE_CURRENT_SOURCE_DIR}/DumpTool/generate_cxx_src_locs.py
-    COMMAND
-    ${CMAKE_COMMAND} -E make_directory
-      ${CMAKE_CURRENT_BINARY_DIR}/generated/
-    COMMAND
-    ${PYTHON_EXECUTABLE} ${CMAKE_CURRENT_SOURCE_DIR}/DumpTool/generate_cxx_src_locs.py
-      --json-input-path ${CMAKE_BINARY_DIR}/ASTNodeAPI.json
-      --output-file generated/NodeIntrospection.inc
-      --empty-implementation ${skip_expensive_processing}
-    COMMAND
-    ${CMAKE_COMMAND} -E copy_if_different
-      ${CMAKE_CURRENT_BINARY_DIR}/generated/NodeIntrospection.inc
-      ${BINARY_INCLUDE_DIR}/NodeIntrospection.inc
-)
-
-add_custom_target(run-ast-api-generate-tool
-    DEPENDS
-    ${BINARY_INCLUDE_DIR}/NodeIntrospection.inc
-)
-
 add_clang_library(clangTooling
   AllTUsExecution.cpp
   ArgumentsAdjusters.cpp
@@ -95,8 +27,6 @@ add_clang_library(clangTooling
   Refactoring.cpp
   RefactoringCallbacks.cpp
   StandaloneExecution.cpp
-  NodeIntrospection.cpp
-  ${BINARY_INCLUDE_DIR}/NodeIntrospection.inc
   Tooling.cpp
 
   DEPENDS