Mostly explicit import tools-support-core APIs

Switch to explicitly importing the tools-support-core API surface to
identify what we are depending on.  This will help ween swift-driver off
of swift-tools-support-core in the long run.

Author: compnerd

Sources/SwiftDriver/Driver/Driver.swift

@@ -9,11 +9,23 @@
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 //===----------------------------------------------------------------------===//
-import TSCBasic
 import SwiftOptions
 
 import class Dispatch.DispatchQueue
 
+import TSCBasic // <<<
+import class TSCBasic.DiagnosticsEngine
+import enum TSCBasic.ProcessEnv
+import protocol TSCBasic.DiagnosticData
+import protocol TSCBasic.FileSystem
+import protocol TSCBasic.OutputByteStream
+import struct TSCBasic.AbsolutePath
+import struct TSCBasic.Diagnostic
+import struct TSCBasic.FileInfo
+import struct TSCBasic.RelativePath
+import var TSCBasic.localFileSystem
+import var TSCBasic.stderrStream
+import var TSCBasic.stdoutStream
 import enum TSCUtility.Diagnostics
 import struct TSCUtility.Version
 

Sources/SwiftDriver/Driver/OutputFileMap.swift

@@ -10,11 +10,16 @@
 //
 //===----------------------------------------------------------------------===//
 
-import TSCBasic
 import struct Foundation.Data
 import class Foundation.JSONEncoder
 import class Foundation.JSONDecoder
 
+import class TSCBasic.DiagnosticsEngine
+import protocol TSCBasic.FileSystem
+import struct TSCBasic.AbsolutePath
+import struct TSCBasic.ByteString
+import struct TSCBasic.RelativePath
+
 /// Mapping of input file paths to specific output files.
 public struct OutputFileMap: Hashable, Codable {
   static let singleInputKey = try! VirtualPath.intern(path: ".")

Sources/SwiftDriver/Driver/ToolExecutionDelegate.swift

@@ -9,7 +9,6 @@
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 //===----------------------------------------------------------------------===//
-import TSCBasic
 
 #if canImport(Darwin)
 import Darwin.C
@@ -22,6 +21,13 @@ import Glibc
 #error("Missing libc or equivalent")
 #endif
 
+import TSCBasic // <<<
+import class TSCBasic.DiagnosticsEngine
+import struct TSCBasic.Diagnostic
+import struct TSCBasic.ProcessResult
+import var TSCBasic.stderrStream
+import var TSCBasic.stdoutStream
+
 /// Delegate for printing execution information on the command-line.
 @_spi(Testing) public final class ToolExecutionDelegate: JobExecutionDelegate {
   /// Quasi-PIDs are _negative_ PID-like unique keys used to

Sources/SwiftDriver/Execution/ArgsResolver.swift

@@ -11,7 +11,12 @@
 //===----------------------------------------------------------------------===//
 
 import class Foundation.NSLock
-import TSCBasic
+
+import TSCBasic // <<<
+import func TSCBasic.withTemporaryDirectory
+import protocol TSCBasic.FileSystem
+import struct TSCBasic.AbsolutePath
+
 @_implementationOnly import Yams
 
 /// How the resolver is to handle usage of response files

Sources/SwiftDriver/Execution/DriverExecutor.swift

@@ -10,7 +10,8 @@
 //
 //===----------------------------------------------------------------------===//
 
-import TSCBasic
+import struct TSCBasic.ProcessResult
+
 import struct Foundation.Data
 import class Foundation.JSONDecoder
 import var Foundation.EXIT_SUCCESS

Sources/SwiftDriver/Execution/ProcessProtocol.swift

@@ -10,7 +10,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-import TSCBasic
+import class TSCBasic.Process
+import struct TSCBasic.ProcessResult
+
 import class Foundation.FileHandle
 import struct Foundation.Data
 

Sources/SwiftDriver/ExplicitModuleBuilds/ClangVersionedDependencyResolution.swift

@@ -10,7 +10,7 @@
 //
 //===----------------------------------------------------------------------===//
 
-import TSCBasic
+import func TSCBasic.determineTempDirectory
 
 /// A map from a module identifier to a set of module dependency graphs
 /// Used to compute distinct graphs corresponding to different target versions for a given clang module

Sources/SwiftDriver/ExplicitModuleBuilds/ExplicitDependencyBuildPlanner.swift

@@ -9,7 +9,10 @@
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 //===----------------------------------------------------------------------===//
-import TSCBasic
+
+import struct TSCBasic.SHA256
+import struct TSCBasic.AbsolutePath
+
 import struct Foundation.Data
 import class Foundation.JSONEncoder
 

Sources/SwiftDriver/ExplicitModuleBuilds/InterModuleDependencies/CommonDependencyOperations.swift

@@ -9,7 +9,8 @@
 // See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
 //
 //===----------------------------------------------------------------------===//
-import TSCBasic
+
+import func TSCBasic.topologicalSort
 
 @_spi(Testing) public extension InterModuleDependencyGraph {
   /// For targets that are built alongside the driver's current module, the scanning action will report them as

Sources/SwiftDriver/ExplicitModuleBuilds/InterModuleDependencies/InterModuleDependencyOracle.swift

@@ -10,7 +10,9 @@
 //
 //===----------------------------------------------------------------------===//
 
-import TSCBasic
+import protocol TSCBasic.FileSystem
+import struct TSCBasic.AbsolutePath
+
 import Dispatch
 
 // An inter-module dependency oracle, responsible for responding to queries about