110 lines
3.7 KiB
Plaintext
110 lines
3.7 KiB
Plaintext
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# -*- bazel-starlark -*-
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# Copyright 2023 The Chromium Authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""Siso configuration for clang/linux."""
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load("@builtin//path.star", "path")
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load("@builtin//struct.star", "module")
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__filegroups = {}
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def __clang_compile_coverage(ctx, cmd):
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# TODO(b/278225415): add better support for coverage build.
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# The instrument file contains the list of files affected by a patch.
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# Including this file to remote action input prevents cache hits.
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inputs = []
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deps_args = []
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for i, arg in enumerate(cmd.args):
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if i == 0:
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continue
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if arg == "../../build/toolchain/clang_code_coverage_wrapper.py":
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continue
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if arg.startswith("--files-to-instrument="):
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inputs.append(ctx.fs.canonpath(arg.removeprefix("--files-to-instrument=")))
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continue
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if len(deps_args) == 0 and path.base(arg).find("clang") >= 0:
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deps_args.append(arg)
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continue
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if deps_args:
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if arg in ["-MD", "-MMD", "-c"]:
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continue
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if arg.startswith("-MF") or arg.startswith("-o"):
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continue
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if i > 1 and cmd.args[i - 1] in ["-MF", "-o"]:
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continue
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deps_args.append(arg)
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if deps_args:
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deps_args.append("-M")
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ctx.actions.fix(
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tool_inputs = cmd.tool_inputs + inputs,
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deps_args = deps_args,
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)
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__handlers = {
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"clang_compile_coverage": __clang_compile_coverage,
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}
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def __step_config(ctx, step_config):
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step_config["input_deps"].update({
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# clang++ is a symlink to clang
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# but siso doesn't add symlink target automatically.
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"third_party/llvm-build/Release+Asserts/bin/clang++": [
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"third_party/llvm-build/Release+Asserts/bin/clang",
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],
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})
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step_config["rules"].extend([
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{
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"name": "clang/cxx",
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"action": "(.*_)?cxx",
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"command_prefix": "../../third_party/llvm-build/Release+Asserts/bin/clang++ ",
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"inputs": [
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"third_party/llvm-build/Release+Asserts/bin/clang++",
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],
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"remote": True,
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"canonicalize_dir": True,
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},
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{
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"name": "clang/cc",
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"action": "(.*_)?cc",
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"command_prefix": "../../third_party/llvm-build/Release+Asserts/bin/clang ",
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"inputs": [
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"third_party/llvm-build/Release+Asserts/bin/clang",
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],
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"remote": True,
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"canonicalize_dir": True,
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},
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{
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"name": "clang-coverage/cxx",
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"action": "(.*_)?cxx",
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"command_prefix": "\"python3\" ../../build/toolchain/clang_code_coverage_wrapper.py",
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"inputs": [
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"build/toolchain/clang_code_coverage_wrapper.py",
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"third_party/llvm-build/Release+Asserts/bin/clang++",
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],
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"handler": "clang_compile_coverage",
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"remote": True,
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"canonicalize_dir": True,
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},
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{
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"name": "clang-coverage/cc",
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"action": "(.*_)?cc",
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"command_prefix": "\"python3\" ../../build/toolchain/clang_code_coverage_wrapper.py",
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"inputs": [
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"build/toolchain/clang_code_coverage_wrapper.py",
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"third_party/llvm-build/Release+Asserts/bin/clang",
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],
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"handler": "clang_compile_coverage",
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"remote": True,
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"canonicalize_dir": True,
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},
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])
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return step_config
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clang = module(
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"clang",
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step_config = __step_config,
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filegroups = __filegroups,
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handlers = __handlers,
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)
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