cmNinjaTargetGenerator: write out export information for the collator

The collator will use this to know where the target's export information
needs to go so that module properties may be provided.

8 files changed, 277 insertions, 0 deletions

diff --git a/Tests/RunCMake/CXXModules/NinjaDependInfoExport-check.cmake b/Tests/RunCMake/CXXModules/NinjaDependInfoExport-check.cmake
new file mode 100644
index 0000000..7720257
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/NinjaDependInfoExport-check.cmake
@@ -0,0 +1,34 @@
+include("${CMAKE_CURRENT_LIST_DIR}/check-json.cmake")
+
+if (RunCMake_GENERATOR_IS_MULTI_CONFIG)
+  set(have_file 0)
+  foreach (config IN ITEMS Release Debug RelWithDebInfo MinSizeRel)
+    if (NOT EXISTS "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/ninja-exports-public.dir/${config}/CXXDependInfo.json")
+      continue ()
+    endif ()
+    set(have_file 1)
+
+    set(CMAKE_BUILD_TYPE "${config}")
+
+    file(READ "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/ninja-exports-public.dir/${config}/CXXDependInfo.json" actual_contents)
+    file(READ "${CMAKE_CURRENT_LIST_DIR}/expect/NinjaDependInfoExport-public.json" expect_contents)
+    check_json("${actual_contents}" "${expect_contents}")
+
+    file(READ "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/ninja-exports-private.dir/${config}/CXXDependInfo.json" actual_contents)
+    file(READ "${CMAKE_CURRENT_LIST_DIR}/expect/NinjaDependInfoExport-private.json" expect_contents)
+    check_json("${actual_contents}" "${expect_contents}")
+  endforeach ()
+
+  if (NOT have_file)
+    list(APPEND RunCMake_TEST_FAILED
+      "No recognized build configurations found.")
+  endif ()
+else ()
+  file(READ "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/ninja-exports-public.dir/CXXDependInfo.json" actual_contents)
+  file(READ "${CMAKE_CURRENT_LIST_DIR}/expect/NinjaDependInfoExport-public.json" expect_contents)
+  check_json("${actual_contents}" "${expect_contents}")
+
+  file(READ "${RunCMake_TEST_BINARY_DIR}/CMakeFiles/ninja-exports-private.dir/CXXDependInfo.json" actual_contents)
+  file(READ "${CMAKE_CURRENT_LIST_DIR}/expect/NinjaDependInfoExport-private.json" expect_contents)
+  check_json("${actual_contents}" "${expect_contents}")
+endif ()
diff --git a/Tests/RunCMake/CXXModules/NinjaDependInfoExport-stderr.txt b/Tests/RunCMake/CXXModules/NinjaDependInfoExport-stderr.txt
new file mode 100644
index 0000000..e328223
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/NinjaDependInfoExport-stderr.txt
@@ -0,0 +1,11 @@
+CMake Warning \(dev\) at NinjaDependInfoExport.cmake:14 \(target_sources\):
+  CMake's C\+\+ module support is experimental.  It is meant only for
+  experimentation and feedback to CMake developers.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:6 \(include\)
+This warning is for project developers.  Use -Wno-dev to suppress it.
+
+CMake Warning \(dev\):
+  C\+\+20 modules support via CMAKE_EXPERIMENTAL_CXX_MODULE_DYNDEP is
+  experimental.  It is meant only for compiler developers to try.
+This warning is for project developers.  Use -Wno-dev to suppress it.
diff --git a/Tests/RunCMake/CXXModules/NinjaDependInfoExport.cmake b/Tests/RunCMake/CXXModules/NinjaDependInfoExport.cmake
new file mode 100644
index 0000000..05e7ef7
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/NinjaDependInfoExport.cmake
@@ -0,0 +1,85 @@
+# Fake out that we have dyndep; we only need to generate, not actually build
+# here.
+set(CMAKE_EXPERIMENTAL_CXX_MODULE_DYNDEP 1)
+set(CMAKE_EXPERIMENTAL_CXX_SCANDEP_SOURCE "")
+
+enable_language(CXX)
+
+if (NOT CMAKE_GENERATOR MATCHES "Ninja")
+  message(FATAL_ERROR
+    "This test requires a 'Ninja' generator to be used.")
+endif ()
+
+add_library(ninja-exports-public)
+target_sources(ninja-exports-public
+  PRIVATE
+    sources/module-impl.cxx
+    sources/module-internal-part-impl.cxx
+    sources/module-part-impl.cxx
+    sources/module-use.cxx
+  PUBLIC
+    FILE_SET modules TYPE CXX_MODULES
+    BASE_DIRS
+      "${CMAKE_CURRENT_SOURCE_DIR}/sources"
+    FILES
+      sources/module.cxx
+      sources/module-part.cxx
+    FILE_SET internal_partitions TYPE CXX_MODULES FILES
+      sources/module-internal-part.cxx)
+target_compile_features(ninja-exports-public
+  PRIVATE
+    cxx_std_20)
+set_property(TARGET ninja-exports-public
+  PROPERTY EXPORT_NAME "with-public")
+
+install(TARGETS ninja-exports-public
+  EXPORT exp
+  FILE_SET modules
+    DESTINATION "lib/cxx"
+    COMPONENT "modules"
+  FILE_SET internal_partitions
+    DESTINATION "lib/cxx/internals"
+    COMPONENT "modules-internal")
+
+add_library(ninja-exports-private)
+target_sources(ninja-exports-private
+  PRIVATE
+    sources/module-impl.cxx
+    sources/module-internal-part-impl.cxx
+    sources/module-part-impl.cxx
+    sources/module-use.cxx
+  PRIVATE
+    FILE_SET modules TYPE CXX_MODULES
+    BASE_DIRS
+      "${CMAKE_CURRENT_SOURCE_DIR}/sources"
+    FILES
+      sources/module.cxx
+      sources/module-part.cxx
+    FILE_SET internal_partitions TYPE CXX_MODULES FILES
+      sources/module-internal-part.cxx)
+target_compile_features(ninja-exports-private
+  PRIVATE
+    cxx_std_20)
+set_property(TARGET ninja-exports-private
+  PROPERTY EXPORT_NAME "with-private")
+
+install(TARGETS ninja-exports-private
+  EXPORT exp)
+
+# Test multiple build exports.
+export(EXPORT exp
+  FILE "${CMAKE_BINARY_DIR}/lib/cmake/export1/export1-targets.cmake"
+  NAMESPACE export1::
+  CXX_MODULES_DIRECTORY "cxx-modules")
+export(EXPORT exp
+  FILE "${CMAKE_BINARY_DIR}/lib/cmake/export2/export2-targets.cmake"
+  CXX_MODULES_DIRECTORY "cxx-modules")
+
+# Test multiple install exports.
+install(EXPORT exp
+  DESTINATION "lib/cmake/export1"
+  NAMESPACE export1::
+  CXX_MODULES_DIRECTORY "cxx-modules")
+install(EXPORT exp
+  DESTINATION "lib/cmake/export2"
+  CXX_MODULES_DIRECTORY "cxx-modules")
diff --git a/Tests/RunCMake/CXXModules/RunCMakeTest.cmake b/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
index aedaf3c..d3db1d4 100644
--- a/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
+++ b/Tests/RunCMake/CXXModules/RunCMakeTest.cmake
@@ -77,6 +77,7 @@ run_cmake(ExportInstallCxxModules)
 # Generator-specific tests.
 if (RunCMake_GENERATOR MATCHES "Ninja")
   run_cmake(NinjaDependInfoFileSet)
+  run_cmake(NinjaDependInfoExport)
 else ()
   message(FATAL_ERROR
     "Please add 'DependInfo' tests for the '${RunCMake_GENERATOR}' generator.")
diff --git a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-private.json b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-private.json
new file mode 100644
index 0000000..6bff226
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-private.json
@@ -0,0 +1,72 @@
+{
+  "compiler-id": "<IGNORE>",
+  "config": "<CONFIG>",
+  "cxx-modules": {
+    "CMakeFiles/ninja-exports-private.dir/sources/module-internal-part.cxx.o": {
+      "destination": null,
+      "name": "internal_partitions",
+      "relative-directory": "sources",
+      "source": "<SOURCE_DIR>/sources/module-internal-part.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PRIVATE"
+    },
+    "CMakeFiles/ninja-exports-private.dir/sources/module-part.cxx.o": {
+      "destination": null,
+      "name": "modules",
+      "relative-directory": "",
+      "source": "<SOURCE_DIR>/sources/module-part.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PRIVATE"
+    },
+    "CMakeFiles/ninja-exports-private.dir/sources/module.cxx.o": {
+      "destination": null,
+      "name": "modules",
+      "relative-directory": "",
+      "source": "<SOURCE_DIR>/sources/module.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PRIVATE"
+    }
+  },
+  "dir-cur-bld": "<BINARY_DIR>",
+  "dir-cur-src": "<SOURCE_DIR>",
+  "dir-top-bld": "<BINARY_DIR>",
+  "dir-top-src": "<SOURCE_DIR>",
+  "exports": [
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "lib/cmake/export1",
+      "export-name" : "with-private",
+      "export-prefix" : "<BINARY_DIR>/CMakeFiles/Export/d2e2673818fd2bd8c45c0e3ed0e38fcd",
+      "install" : true,
+      "namespace" : "export1::"
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "lib/cmake/export2",
+      "export-name" : "with-private",
+      "export-prefix" : "<BINARY_DIR>/CMakeFiles/Export/28cd47cb4c96ad5cadaa3fb1b0201ae8",
+      "install" : true,
+      "namespace" : ""
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "<BINARY_DIR>/lib/cmake/export1",
+      "export-name" : "with-private",
+      "export-prefix" : "<BINARY_DIR>/lib/cmake/export1",
+      "install" : false,
+      "namespace" : "export1::"
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "<BINARY_DIR>/lib/cmake/export2",
+      "export-name" : "with-private",
+      "export-prefix" : "<BINARY_DIR>/lib/cmake/export2",
+      "install" : false,
+      "namespace" : ""
+    }
+  ],
+  "include-dirs": [],
+  "language": "CXX",
+  "linked-target-dirs": [],
+  "module-dir": "<BINARY_DIR>/CMakeFiles/ninja-exports-private.dir"
+}
diff --git a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-public.json b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-public.json
new file mode 100644
index 0000000..d17c50e
--- /dev/null
+++ b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoExport-public.json
@@ -0,0 +1,72 @@
+{
+  "compiler-id": "<IGNORE>",
+  "config": "<CONFIG>",
+  "cxx-modules": {
+    "CMakeFiles/ninja-exports-public.dir/sources/module-internal-part.cxx.o": {
+      "destination": "lib/cxx/internals",
+      "name": "internal_partitions",
+      "relative-directory": "sources",
+      "source": "<SOURCE_DIR>/sources/module-internal-part.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PUBLIC"
+    },
+    "CMakeFiles/ninja-exports-public.dir/sources/module-part.cxx.o": {
+      "destination": "lib/cxx",
+      "name": "modules",
+      "relative-directory": "",
+      "source": "<SOURCE_DIR>/sources/module-part.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PUBLIC"
+    },
+    "CMakeFiles/ninja-exports-public.dir/sources/module.cxx.o": {
+      "destination": "lib/cxx",
+      "name": "modules",
+      "relative-directory": "",
+      "source": "<SOURCE_DIR>/sources/module.cxx",
+      "type": "CXX_MODULES",
+      "visibility": "PUBLIC"
+    }
+  },
+  "dir-cur-bld": "<BINARY_DIR>",
+  "dir-cur-src": "<SOURCE_DIR>",
+  "dir-top-bld": "<BINARY_DIR>",
+  "dir-top-src": "<SOURCE_DIR>",
+  "exports": [
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "lib/cmake/export1",
+      "export-name" : "with-public",
+      "export-prefix" : "<BINARY_DIR>/CMakeFiles/Export/d2e2673818fd2bd8c45c0e3ed0e38fcd",
+      "install" : true,
+      "namespace" : "export1::"
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "lib/cmake/export2",
+      "export-name" : "with-public",
+      "export-prefix" : "<BINARY_DIR>/CMakeFiles/Export/28cd47cb4c96ad5cadaa3fb1b0201ae8",
+      "install" : true,
+      "namespace" : ""
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "<BINARY_DIR>/lib/cmake/export1",
+      "export-name" : "with-public",
+      "export-prefix" : "<BINARY_DIR>/lib/cmake/export1",
+      "install" : false,
+      "namespace" : "export1::"
+    },
+    {
+      "cxx-module-info-dir" : "cxx-modules",
+      "destination" : "<BINARY_DIR>/lib/cmake/export2",
+      "export-name" : "with-public",
+      "export-prefix" : "<BINARY_DIR>/lib/cmake/export2",
+      "install" : false,
+      "namespace" : ""
+    }
+  ],
+  "include-dirs": [],
+  "language": "CXX",
+  "linked-target-dirs": [],
+  "module-dir": "<BINARY_DIR>/CMakeFiles/ninja-exports-public.dir"
+}
diff --git a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-private.json b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-private.json
index 968502c..d03cf1c 100644
--- a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-private.json
+++ b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-private.json
@@ -31,6 +31,7 @@
   "dir-cur-src": "<SOURCE_DIR>",
   "dir-top-bld": "<BINARY_DIR>",
   "dir-top-src": "<SOURCE_DIR>",
+  "exports": [],
   "include-dirs": [],
   "language": "CXX",
   "linked-target-dirs": [],
diff --git a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-public.json b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-public.json
index e836437..6afce06 100644
--- a/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-public.json
+++ b/Tests/RunCMake/CXXModules/expect/NinjaDependInfoFileSet-public.json
@@ -31,6 +31,7 @@
   "dir-cur-src": "<SOURCE_DIR>",
   "dir-top-bld": "<BINARY_DIR>",
   "dir-top-src": "<SOURCE_DIR>",
+  "exports": [],
   "include-dirs": [],
   "language": "CXX",
   "linked-target-dirs": [],