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//===--------------- MergeModuleJob.swift - Swift Module Merging ----------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2019 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
//
//===----------------------------------------------------------------------===//
import struct TSCBasic.RelativePath
extension Driver {
mutating func mergeModuleJob(inputs providedInputs: [TypedVirtualPath],
inputsFromOutputs: [TypedVirtualPath]) throws -> Job {
var commandLine: [Job.ArgTemplate] = swiftCompilerPrefixArgs.map { Job.ArgTemplate.flag($0) }
var inputs: [TypedVirtualPath] = []
var outputs: [TypedVirtualPath] = [
TypedVirtualPath(file: moduleOutputInfo.output!.outputPath, type: .swiftModule)
]
commandLine.appendFlags("-frontend", "-merge-modules", "-emit-module")
// Input file list.
if shouldUseInputFileList {
commandLine.appendFlag(.filelist)
let fileList = try VirtualPath.createUniqueFilelist(RelativePath(validating: "inputs"),
.list(inputsFromOutputs.map { $0.file }))
commandLine.appendPath(fileList)
inputs.append(contentsOf: inputsFromOutputs)
for input in providedInputs {
assert(input.type == .swiftModule)
commandLine.append(.path(input.file))
inputs.append(input)
}
} else {
// Add the inputs.
for input in providedInputs + inputsFromOutputs {
assert(input.type == .swiftModule)
commandLine.append(.path(input.file))
inputs.append(input)
}
}
// Tell all files to parse as library, which is necessary to load them as
// serialized ASTs.
commandLine.appendFlag(.parseAsLibrary)
// Disable SIL optimization passes; we've already optimized the code in each
// partial mode.
commandLine.appendFlag(.disableDiagnosticPasses)
commandLine.appendFlag(.disableSilPerfOptzns)
try addCommonFrontendOptions(commandLine: &commandLine, inputs: &inputs, kind: .mergeModule, bridgingHeaderHandling: .parsed)
// FIXME: Add MSVC runtime library flags
try addCommonModuleOptions(commandLine: &commandLine, outputs: &outputs, isMergeModule: true)
try addCommonSymbolGraphOptions(commandLine: &commandLine)
// Propagate the disable flag for cross-module incremental builds
// if necessary. Note because we're interested in *disabling* this feature,
// we consider the disable form to be the positive and enable to be the
// negative.
if parsedOptions.hasFlag(positive: .disableIncrementalImports,
negative: .enableIncrementalImports,
default: false) {
try commandLine.appendLast(.disableIncrementalImports, from: &parsedOptions)
}
let outputPath = VirtualPath.lookup(moduleOutputInfo.output!.outputPath)
commandLine.appendFlag(.o)
commandLine.appendPath(outputPath)
if let abiPath = abiDescriptorPath {
commandLine.appendFlag(.emitAbiDescriptorPath)
commandLine.appendPath(abiPath.file)
outputs.append(abiPath)
}
return Job(
moduleName: moduleOutputInfo.name,
kind: .mergeModule,
tool: try toolchain.resolvedTool(.swiftCompiler),
commandLine: commandLine,
inputs: inputs,
primaryInputs: [],
outputs: outputs
)
}
}
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