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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift open source project
//
// Copyright (c) 2015-2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See http://swift.org/LICENSE.txt for license information
// See http://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import struct LLBuildManifest.Node
import struct Basics.AbsolutePath
import struct Basics.InternalError
import class Basics.ObservabilityScope
import struct PackageGraph.ResolvedModule
import PackageModel
extension LLBuildManifestBuilder {
/// Create a llbuild target for a Clang target description.
func createClangCompileCommand(
_ target: ClangModuleBuildDescription
) throws {
var inputs: [Node] = []
// Add resources node as the input to the target. This isn't great because we
// don't need to block building of a module until its resources are assembled but
// we don't currently have a good way to express that resources should be built
// whenever a module is being built.
if let resourcesNode = try self.createResourcesBundle(for: .clang(target)) {
inputs.append(resourcesNode)
}
func addStaticTargetInputs(_ target: ResolvedModule) {
if case .swift(let desc)? = self.plan.targetMap[target.id], target.type == .library {
inputs.append(file: desc.moduleOutputPath)
}
}
for dependency in target.target.dependencies(satisfying: target.buildEnvironment) {
switch dependency {
case .module(let target, _):
addStaticTargetInputs(target)
case .product(let product, _):
switch product.type {
case .executable, .snippet, .library(.dynamic), .macro:
guard let planProduct = plan.productMap[product.id] else {
throw InternalError("unknown product \(product)")
}
// Establish a dependency on binary of the product.
let binary = try planProduct.binaryPath
inputs.append(file: binary)
case .library(.automatic), .library(.static), .plugin:
for target in product.modules {
addStaticTargetInputs(target)
}
case .test:
break
}
}
}
for binaryPath in target.libraryBinaryPaths {
let path = target.buildParameters.destinationPath(forBinaryAt: binaryPath)
if self.fileSystem.isDirectory(binaryPath) {
inputs.append(directory: path)
} else {
inputs.append(file: path)
}
}
var objectFileNodes: [Node] = []
for path in try target.compilePaths() {
let args = try target.emitCommandLine(for: path.source)
let objectFileNode: Node = .file(path.object)
objectFileNodes.append(objectFileNode)
self.manifest.addClangCmd(
name: path.object.pathString,
description: "Compiling \(target.target.name) \(path.filename)",
inputs: inputs + [.file(path.source)],
outputs: [objectFileNode],
arguments: args,
dependencies: path.deps.pathString
)
}
let additionalInputs = try addBuildToolPlugins(.clang(target))
// Create a phony node to represent the entire target.
let targetName = target.llbuildTargetName
let output: Node = .virtual(targetName)
self.manifest.addNode(output, toTarget: targetName)
self.manifest.addPhonyCmd(
name: output.name,
inputs: objectFileNodes + additionalInputs,
outputs: [output]
)
if self.plan.graph.isInRootPackages(target.target, satisfying: target.buildParameters.buildEnvironment) {
if !target.isTestTarget {
self.addNode(output, toTarget: .main)
}
self.addNode(output, toTarget: .test)
}
}
/// Create a llbuild target for a Clang target preparation
func createClangPrepareCommand(
_ target: ClangModuleBuildDescription
) throws {
// Create the node for the target so you can --target it.
// It is a no-op for index preparation.
let targetName = target.llbuildTargetName
let output: Node = .virtual(targetName)
self.manifest.addNode(output, toTarget: targetName)
}
}
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