# -*- Mode: python; indent-tabs-mode: nil; tab-width: 40 -*-
# vim: set filetype=python:
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.

HostSharedLibrary("clang-plugin")

HOST_SOURCES += ["!ThirdPartyPaths.cpp"]

HOST_SOURCES += [
    "ArithmeticArgChecker.cpp",
    "AssertAssignmentChecker.cpp",
    "CanRunScriptChecker.cpp",
    "CustomAttributes.cpp",
    "CustomTypeAnnotation.cpp",
    "DanglingOnTemporaryChecker.cpp",
    "DiagnosticsMatcher.cpp",
    "ExplicitImplicitChecker.cpp",
    "ExplicitOperatorBoolChecker.cpp",
    "JSHandleRootedTypedefChecker.cpp",
    "KnownLiveChecker.cpp",
    "KungFuDeathGripChecker.cpp",
    "MozCheckAction.cpp",
    "MustOverrideChecker.cpp",
    "MustReturnFromCallerChecker.cpp",
    "NaNExprChecker.cpp",
    "NeedsNoVTableTypeChecker.cpp",
    "NoAddRefReleaseOnReturnChecker.cpp",
    "NoAutoTypeChecker.cpp",
    "NoDuplicateRefCntMemberChecker.cpp",
    "NoExplicitMoveConstructorChecker.cpp",
    "NoNewThreadsChecker.cpp",
    "NonMemMovableMemberChecker.cpp",
    "NonMemMovableTemplateArgChecker.cpp",
    "NonParamInsideFunctionDeclChecker.cpp",
    "NonTrivialTypeInFfiChecker.cpp",
    "NoPrincipalGetURI.cpp",
    "NoUsingNamespaceMozillaJavaChecker.cpp",
    "OverrideBaseCallChecker.cpp",
    "OverrideBaseCallUsageChecker.cpp",
    "ParamTraitsEnumChecker.cpp",
    "RefCountedCopyConstructorChecker.cpp",
    "RefCountedInsideLambdaChecker.cpp",
    "ScopeChecker.cpp",
    "SprintfLiteralChecker.cpp",
    "TemporaryLifetimeBoundChecker.cpp",
    "TrivialCtorDtorChecker.cpp",
    "TrivialDtorChecker.cpp",
    "VariableUsageHelpers.cpp",
]

# Ideally, we wouldn't have compile-time choices wrt checks. bug 1617153.
if CONFIG["OS_ARCH"] == "WINNT":
    HOST_DEFINES["TARGET_IS_WINDOWS"] = True
    HOST_SOURCES += [
        "FopenUsageChecker.cpp",
        "LoadLibraryUsageChecker.cpp",
    ]

if CONFIG["ENABLE_MOZSEARCH_PLUGIN"]:
    HOST_SOURCES += [
        "mozsearch-plugin/FileOperations.cpp",
        "mozsearch-plugin/from-clangd/HeuristicResolver.cpp",
        "mozsearch-plugin/MozsearchIndexer.cpp",
        "mozsearch-plugin/StringOperations.cpp",
    ]

GeneratedFile(
    "ThirdPartyPaths.cpp",
    script="ThirdPartyPaths.py",
    entry_point="generate",
    inputs=[
        "/tools/rewriting/ThirdPartyPaths.txt",
        "/tools/rewriting/Generated.txt",
    ],
)

GeneratedFile(
    "ThreadAllows.h",
    script="ThreadAllows.py",
    entry_point="generate_file",
    inputs=[
        "/build/clang-plugin/ThreadAllows.txt",
        "/build/clang-plugin/ThreadFileAllows.txt",
    ],
)

HOST_COMPILE_FLAGS["STL"] = []
HOST_COMPILE_FLAGS["VISIBILITY"] = []

# libc++ is required to build plugins against clang on OS X.
if CONFIG["HOST_OS_ARCH"] == "Darwin":
    HOST_CXXFLAGS += ["-stdlib=libc++"]

# As of clang 8, llvm-config doesn't output the flags used to build clang
# itself, so we don't end up with -fPIC as a side effect. llvm.org/PR8220
if CONFIG["HOST_OS_ARCH"] != "WINNT":
    HOST_CXXFLAGS += ["-fPIC"]

DIRS += [
    "tests",
]

include("external/sources.mozbuild")

if CONFIG["ENABLE_CLANG_PLUGIN_ALPHA"]:
    HOST_DEFINES["MOZ_CLANG_PLUGIN_ALPHA"] = "1"
    include("alpha/sources.mozbuild")

# In the current moz.build world, we need to override essentially every
# variable to limit ourselves to what we need to build the clang plugin.
if CONFIG["HOST_OS_ARCH"] == "WINNT":
    extra_cxxflags = ["-GR-", "-EHsc"]
    # Clang 14 headers enforce a requirement upon Visual Studio 2019 headers,
    # for support of newer C++ versions, which is necessary for clang itself,
    # but as of writing, it's not necessary for the plugin code, so enable
    # the escape hatch, at least until we generally upgrade to VS 2019.
    HOST_DEFINES["LLVM_FORCE_USE_OLD_TOOLCHAIN"] = True
else:
    extra_cxxflags = ["-fno-rtti", "-fno-exceptions"]

if CONFIG["LLVM_CXXFLAGS"]:
    HOST_COMPILE_FLAGS["HOST_CXXFLAGS"] = CONFIG["LLVM_CXXFLAGS"] + extra_cxxflags

# Avoid -DDEBUG=1 on the command line, which conflicts with a #define
# DEBUG(...) in llvm headers.
DEFINES["DEBUG"] = False