# Test runner infrastructure for Clang-based tools. This configures the Clang
# test trees for use by Lit, and delegates to LLVM's lit test handlers.
#
# Note that currently we don't support stand-alone builds of Clang, you must
# be building Clang from within a combined LLVM+Clang checkout..

set(CLANG_TOOLS_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/..")
set(CLANG_TOOLS_BINARY_DIR "${CMAKE_CURRENT_BINARY_DIR}/..")

if (CMAKE_CFG_INTDIR STREQUAL ".")
  set(LLVM_BUILD_MODE ".")
else ()
  set(LLVM_BUILD_MODE "%(build_mode)s")
endif ()

string(REPLACE ${CMAKE_CFG_INTDIR} ${LLVM_BUILD_MODE} CLANG_TOOLS_DIR ${LLVM_RUNTIME_OUTPUT_INTDIR})

llvm_canonicalize_cmake_booleans(
  CLANG_ENABLE_STATIC_ANALYZER
  CLANGD_BUILD_XPC)

configure_lit_site_cfg(
  ${CMAKE_CURRENT_SOURCE_DIR}/lit.site.cfg.py.in
  ${CMAKE_CURRENT_BINARY_DIR}/lit.site.cfg.py
  MAIN_CONFIG
  ${CMAKE_CURRENT_SOURCE_DIR}/lit.cfg.py
  )

configure_lit_site_cfg(
  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.site.cfg.py.in
  ${CMAKE_CURRENT_BINARY_DIR}/Unit/lit.site.cfg.py
  MAIN_CONFIG
  ${CMAKE_CURRENT_SOURCE_DIR}/Unit/lit.cfg.py
  )

option(CLANG_TOOLS_TEST_USE_VG "Run Clang tools' tests under Valgrind" OFF)
if(CLANG_TOOLS_TEST_USE_VG)
  set(CLANG_TOOLS_TEST_EXTRA_ARGS ${CLANG_TEST_EXTRA_ARGS} "--vg")
endif()

set(CLANG_TOOLS_TEST_DEPS
  # For the clang-apply-replacements test that uses clang-rename.
  clang-rename

  # For the clang-doc tests that emit bitcode files.
  llvm-bcanalyzer

  # Individual tools we test.
  clang-apply-replacements
  clang-change-namespace
  clang-doc
  clang-include-fixer
  clang-move
  clang-query
  clang-reorder-fields
  find-all-symbols
  modularize
  pp-trace

  # Unit tests
  ExtraToolsUnitTests

  # For the clang-tidy libclang integration test.
  c-index-test
  # clang-tidy tests require it.
  clang-resource-headers

  clang-tidy
  # Clang-tidy tests need clang for building modules.
  clang
)

if(CLANGD_BUILD_XPC)
  list(APPEND CLANG_TOOLS_TEST_DEPS clangd-xpc-test-client)
endif()

set(CLANGD_TEST_DEPS
  clangd
  ClangdTests
  # clangd-related tools which don't have tests, add them to the test to make
  # sure we don't introduce new changes that break their compilations.
  clangd-indexer
  dexp
  )

# Add lit test dependencies.
set(LLVM_UTILS_DEPS
  FileCheck count not
)
foreach(dep ${LLVM_UTILS_DEPS})
  if(TARGET ${dep})
    list(APPEND CLANGD_TEST_DEPS ${dep})
  endif()
endforeach()

foreach(clangd_dep ${CLANGD_TEST_DEPS})
  list(APPEND CLANG_TOOLS_TEST_DEPS
       ${clangd_dep})
endforeach()

add_lit_testsuite(check-clang-tools "Running the Clang extra tools' regression tests"
  ${CMAKE_CURRENT_BINARY_DIR}
  DEPENDS ${CLANG_TOOLS_TEST_DEPS}
  ARGS ${CLANG_TOOLS_TEST_EXTRA_ARGS}
  )

set_target_properties(check-clang-tools PROPERTIES FOLDER "Clang extra tools' tests")

# Setup an individual test for building and testing clangd-only stuff.
# Note: all clangd tests have been covered in check-clang-tools, this is a
# convenient target for clangd developers.
# Exclude check-clangd from check-all.
set(EXCLUDE_FROM_ALL ON)
add_lit_testsuite(check-clangd "Running the Clangd regression tests"
  ${CMAKE_CURRENT_BINARY_DIR}/Unit/clangd;${CMAKE_CURRENT_BINARY_DIR}/clangd
  DEPENDS ${CLANGD_TEST_DEPS}
)
set_target_properties(check-clangd PROPERTIES FOLDER "Clangd tests")
set(EXCLUDE_FROM_ALL OFF)