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# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import("//build/toolchain/toolchain.gni")
if (is_fuchsia) {
import("//third_party/fuchsia-sdk/sdk/build/component.gni")
}
# There are two ways to enable code coverage instrumentation:
# 1. When |use_clang_coverage| or |use_jacoco_coverage| is true and
# |coverage_instrumentation_input_file| is empty, all source files or
# Java class files are instrumented.
# 2. When |use_clang_coverage| or |use_jacoco_coverage| is true and
# |coverage_instrumentation_input_file| is NOT empty and points to
# a text file on the file system, ONLY source files specified in the
# input file or Java class files related to source files are instrumented.
declare_args() {
# Enable Clang's Source-based Code Coverage.
if (is_fuchsia) {
use_clang_coverage = fuchsia_code_coverage
} else {
use_clang_coverage = false
}
# Enables JaCoCo Java code coverage.
use_jacoco_coverage = false
# The path to the coverage instrumentation input file should be a source root
# absolute path (e.g. //out/Release/coverage_instrumentation_input.txt), and
# the file consists of multiple lines where each line represents a path to a
# source file, and the paths must be relative to the root build directory.
# e.g. ../../base/task/post_task.cc for build directory 'out/Release'.
#
# NOTE that this arg will be non-op if use_clang_coverage is false.
coverage_instrumentation_input_file = ""
}
assert(!use_clang_coverage || is_clang,
"Clang Source-based Code Coverage requires clang.")
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