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//===--- ClangTarget.swift ------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2024 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
struct ClangTarget {
var name: String
var parentPath: RelativePath
var sources: [RelativePath]
var unbuildableSources: [RelativePath]
var headers: [RelativePath]
init(
name: String, parentPath: RelativePath,
sources: [RelativePath], unbuildableSources: [RelativePath] = [],
headers: [RelativePath]
) {
self.name = name
self.parentPath = parentPath
self.sources = sources
self.unbuildableSources = unbuildableSources
self.headers = headers
}
}
extension RepoBuildDir {
func getCSourceFilePaths(for path: RelativePath) throws -> [RelativePath] {
try getAllRepoSubpaths(of: path).filter(\.isCSourceLike)
}
func getHeaderFilePaths(for path: RelativePath) throws -> [RelativePath] {
try getAllRepoSubpaths(of: path).filter(\.isHeaderLike)
}
func getClangTarget(
for target: ClangTargetSource, knownUnbuildables: Set<RelativePath>
) throws -> ClangTarget? {
let path = target.path
let name = target.name
let sourcePaths = try getCSourceFilePaths(for: path)
let headers = try getHeaderFilePaths(for: path)
if sourcePaths.isEmpty && headers.isEmpty {
return nil
}
var sources: [RelativePath] = []
var unbuildableSources: [RelativePath] = []
for path in sourcePaths {
// If we have no arguments, or have a known unbuildable, treat as not
// buildable. We'll still include it in the project, but in a separate
// target that isn't built by default.
if try !clangArgs.hasBuildArgs(for: path) ||
knownUnbuildables.contains(path) {
unbuildableSources.append(path)
continue
}
// If we have no '.o' present for a given file, assume it's not buildable.
// The 'mayHaveUnbuildableFiles' condition is really only used here to
// reduce IO and only check targets we know are problematic.
if target.mayHaveUnbuildableFiles,
try !clangArgs.isObjectFilePresent(for: path) {
log.debug("! Treating '\(path)' as unbuildable; no '.o' file")
unbuildableSources.append(path)
continue
}
sources.append(path)
}
return ClangTarget(
name: name, parentPath: path, sources: sources,
unbuildableSources: unbuildableSources, headers: headers
)
}
}
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