diff options
Diffstat (limited to 'third_party/bazel/rules_haskell/haskell/providers.bzl')
| -rw-r--r-- | third_party/bazel/rules_haskell/haskell/providers.bzl | 234 |
1 files changed, 0 insertions, 234 deletions
diff --git a/third_party/bazel/rules_haskell/haskell/providers.bzl b/third_party/bazel/rules_haskell/haskell/providers.bzl deleted file mode 100644 index 2b70ec2e87..0000000000 --- a/third_party/bazel/rules_haskell/haskell/providers.bzl +++ /dev/null @@ -1,234 +0,0 @@ -"""Providers exposed by the Haskell rules.""" - -load( - ":private/path_utils.bzl", - "darwin_convert_to_dylibs", - "make_path", - "windows_convert_to_dlls", -) - -HaskellCcInfo = provider( - doc = "Haskell cc dependency information. Part of HaskellInfo.", - fields = { - "static_linking": """static linking mode parameters. - A struct of - (libraries_to_link, dynamic_libraries_for_runtime, user_link_flags). - Libraries in libraries_to_link are struct(lib, mangled_lib) - because the Darwin linker needs the original library path, - while the Linux linker needs the mangled path. - """, - "dynamic_linking": """static linking mode parameters. - A struct of - (libraries_to_link, dynamic_libraries_for_runtime, user_link_flags). - Libraries in libraries_to_link are struct(lib, mangled_lib) - because the Darwin linker needs the original library path, - while the Linux linker needs the mangled path. - """, - }, -) - -def empty_HaskellCcInfo(): - return HaskellCcInfo( - static_linking = struct( - libraries_to_link = depset(order = "topological"), - dynamic_libraries_for_runtime = depset(order = "topological"), - user_link_flags = depset(order = "topological"), - ), - dynamic_linking = struct( - libraries_to_link = depset(order = "topological"), - dynamic_libraries_for_runtime = depset(order = "topological"), - user_link_flags = depset(order = "topological"), - ), - ) - -def merge_HaskellCcInfo(*args): - return HaskellCcInfo( - static_linking = struct( - libraries_to_link = depset( - order = "topological", - transitive = [arg.static_linking.libraries_to_link for arg in args], - ), - dynamic_libraries_for_runtime = depset( - order = "topological", - transitive = [arg.static_linking.dynamic_libraries_for_runtime for arg in args], - ), - user_link_flags = depset( - order = "topological", - transitive = [arg.static_linking.user_link_flags for arg in args], - ), - ), - dynamic_linking = struct( - libraries_to_link = depset( - order = "topological", - transitive = [arg.dynamic_linking.libraries_to_link for arg in args], - ), - dynamic_libraries_for_runtime = depset( - order = "topological", - transitive = [arg.dynamic_linking.dynamic_libraries_for_runtime for arg in args], - ), - user_link_flags = depset( - order = "topological", - transitive = [arg.dynamic_linking.user_link_flags for arg in args], - ), - ), - ) - -HaskellInfo = provider( - doc = "Common information about build process: dependencies, etc.", - fields = { - "package_ids": "Set of all package ids of direct (non-prebuilt) dependencies.", - "package_databases": "Set of package cache files.", - "version_macros": "Set of version macro files.", - "import_dirs": "Import hierarchy roots.", - "source_files": "Set of files that contain Haskell modules.", - "extra_source_files": "A depset of non-Haskell source files.", - "static_libraries": "Ordered collection of compiled library archives.", - "static_libraries_prof": "Ordered collection of static libraries with profiling.", - "dynamic_libraries": "Set of dynamic libraries.", - "interface_dirs": "Set of interface dirs belonging to the packages.", - "compile_flags": "Arguments that were used to compile the code.", - "prebuilt_dependencies": "Transitive collection of info of wired-in Haskell dependencies.", - "direct_prebuilt_deps": "Set of info of direct prebuilt dependencies.", - "cc_dependencies": "Direct cc library dependencies. See HaskellCcInfo.", - "transitive_cc_dependencies": "Transitive cc library dependencies. See HaskellCcInfo.", - }, -) - -def get_libs_for_ghc_linker(hs, transitive_cc_dependencies, path_prefix = None): - """Return all C library dependencies for GHC's linker. - - GHC has it's own builtin linker. It is used for Template Haskell, for GHCi, - during doctests, etc. GHC's linker differs from the system's dynamic linker - in some ways. E.g. it strictly assumes that dynamic libraries end on .dylib - on MacOS. - - This function returns a list of all transitive C library dependencies - (static or dynamic), taking the requirements of GHC's linker into account. - - Args: - hs: Haskell context. - transitive_cc_dependencies: HaskellCcInfo provider. - path_prefix: Prefix for paths in GHC environment variables. - - Returns: - (library_deps, ld_library_deps, env) - library_deps: List of library files suitable for GHC's builtin linker. - ld_library_deps: List of library files that should be available for - dynamic loading. - env: A mapping environment variables LIBRARY_PATH and LD_LIBRARY_PATH, - to the corresponding values as expected by GHC. - """ - trans_link_ctx = transitive_cc_dependencies.dynamic_linking - - libs_to_link = trans_link_ctx.libraries_to_link.to_list() - libs_for_runtime = trans_link_ctx.dynamic_libraries_for_runtime.to_list() - - _library_deps = libs_to_link - _ld_library_deps = libs_for_runtime - if hs.toolchain.is_darwin: - # GHC's builtin linker requires .dylib files on MacOS. - library_deps = darwin_convert_to_dylibs(hs, _library_deps) - - # Additionally ghc 8.4 requires library_deps here although 8.6 does not - ld_library_deps = library_deps + _ld_library_deps - elif hs.toolchain.is_windows: - # GHC's builtin linker requires .dll files on Windows. - library_deps = windows_convert_to_dlls(hs, _library_deps) - - # copied over from Darwin 5 lines above - ld_library_deps = library_deps + _ld_library_deps - else: - library_deps = _library_deps - ld_library_deps = _ld_library_deps - - sep = ";" if hs.toolchain.is_windows else None - - library_path = make_path( - library_deps, - prefix = path_prefix, - sep = sep, - ) - ld_library_path = make_path( - ld_library_deps, - prefix = path_prefix, - sep = sep, - ) - - # GHC's builtin linker/loader looks for libraries in the paths defined by - # LIBRARY_PATH and LD_LIBRARY_PATH. - # See https://downloads.haskell.org/~ghc/latest/docs/html/users_guide/ghci.html?highlight=library_path#extra-libraries - # In certain cases it is not enough to specify LD_LIBRARY_PATH alone, and - # libraries are only found if their path is included in LIBRARY_PATH. - # See https://github.com/tweag/rules_haskell/pull/685 - env = { - "LIBRARY_PATH": library_path, - "LD_LIBRARY_PATH": ld_library_path, - } - - return (library_deps, ld_library_deps, env) - -HaskellLibraryInfo = provider( - doc = "Library-specific information.", - fields = { - "package_id": "Workspace unique package identifier.", - "version": "Package version.", - }, -) - -HaskellCoverageInfo = provider( - doc = "Information about coverage instrumentation for Haskell files.", - fields = { - "coverage_data": "A list of coverage data containing which parts of Haskell source code are being tracked for code coverage.", - }, -) - -HaskellPrebuiltPackageInfo = provider( - doc = "Information about a prebuilt GHC package.", - fields = { - "package": "Package name", - "id_file": "File containing package id", - "version_macros_file": "C header file containing Cabal version macros", - }, -) - -HaddockInfo = provider( - doc = "Haddock information.", - fields = { - "package_id": "Package id, usually of the form name-version.", - "transitive_html": "Dictionary from package id to html dirs.", - "transitive_haddocks": "Dictionary from package id to Haddock files.", - }, -) - -HaskellLintInfo = provider( - doc = "Provider that collects files produced by linters", - fields = { - "outputs": "Set of linter log files.", - }, -) - -HaskellProtobufInfo = provider( - doc = "Provider that wraps providers of auto-generated Haskell libraries", - fields = { - "files": "files", - }, -) - -C2hsLibraryInfo = provider( - doc = "Information about c2hs dependencies.", - fields = { - "chi_file": "c2hs interface file", - "import_dir": "Import directory containing generated Haskell source file.", - }, -) - -GhcPluginInfo = provider( - doc = "Encapsulates GHC plugin dependencies and tools", - fields = { - "module": "Plugin entrypoint.", - "deps": "Plugin dependencies.", - "args": "Plugin options.", - "tool_inputs": "Inputs required for plugin tools.", - "tool_input_manifests": "Plugin tools input manifests.", - }, -) |