First working version

.bazelrc

@@ -1,9 +1,12 @@
 
-build \
---announce_rc \
---spawn_strategy=local \
---strategy=SwiftCompile=worker \
---verbose_failures \
---apple_platform_type=macos \
---compilation_mode=dbg \
---features=swift.use_global_module_cache
+build --announce_rc
+build --spawn_strategy=local
+build --strategy=SwiftCompile=worker
+build --verbose_failures
+build --apple_platform_type=macos
+build --compilation_mode=dbg
+build --features=swift.use_global_module_cache
+build --objc_enable_binary_stripping=true
+build --features=dead_strip
+build --experimental_multi_threaded_digest
+build --disk_cache=./bazel-cache

BUILD

@@ -1,5 +1,5 @@
 load("@build_bazel_rules_swift//swift:swift.bzl", "swift_library")
-load("@build_bazel_rules_apple//apple:macos.bzl", "macos_command_line_application", "macos_unit_test")
+load("@build_bazel_rules_apple//apple:macos.bzl", "macos_command_line_application")
 load("@rules_cc//cc:defs.bzl", "objc_library")
 
 objc_library(
@@ -12,65 +12,37 @@ objc_library(
 # PodToBUILD is a core library enabling Starlark code generation
 swift_library(
     name = "PodToBUILD",
-    srcs = glob(["Sources/PodToBUILD/*.swift"]),
+    srcs = glob(["Sources/PodToBUILD/**/*.swift"]),
     deps = [":ObjcSupport"],
     copts = ["-swift-version", "5"],
+    visibility = ["//Tests:__pkg__"]
 )
 
 # Compiler
 macos_command_line_application(
     name = "Compiler",
-    minimum_os_version = "10.13",
+    minimum_os_version = "10.11",
     deps = [":CompilerLib"],
 )
 
 swift_library(
     name = "CompilerLib",
-    srcs = glob(["Sources/Compiler/*.swift"]),
-    deps = [":PodToBUILD", "@swift-argument-parser//:ArgumentParser"],
+    srcs = glob(["Sources/Compiler/**/*.swift"]),
+    deps = [":PodToBUILD", "@bazelpods-swift-argument-parser//:ArgumentParser"],
     copts = ["-swift-version", "5"],
 )
 
 # Generator
 
 macos_command_line_application(
     name = "Generator",
-    minimum_os_version = "10.13",
+    minimum_os_version = "10.11",
     deps = [":GeneratorLib"],
 )
 
 swift_library(
     name = "GeneratorLib",
-    srcs = glob(["Sources/Generator/*.swift"]),
-    deps = [":PodToBUILD", "@swift-argument-parser//:ArgumentParser"],
+    srcs = glob(["Sources/Generator/**/*.swift"]),
+    deps = [":PodToBUILD", "@bazelpods-swift-argument-parser//:ArgumentParser"],
     copts = ["-swift-version", "5"],
 )
-
-# This tests RepoToolsCore and Starlark logic
-swift_library(
-    name = "PodToBUILDTestsLib",
-    srcs = glob(["Tests/PodToBUILDTests/*.swift"]),
-    deps = ["@podtobuild-SwiftCheck//:SwiftCheck"],
-    data = glob(["Examples/**/*.podspec.json"])
-)
-
-macos_unit_test(
-    name = "PodToBUILDTests",
-    deps = [":PodToBUILDTestsLib"],
-    minimum_os_version = "10.13",
-)
-
-swift_library(
-    name = "BuildTestsLib",
-    srcs = glob(["Tests/BuildTests/*.swift"]),
-    deps = ["@podtobuild-SwiftCheck//:SwiftCheck"],
-    data = glob(["Examples/**/*.podspec.json"])
-)
-
-# This tests RepoToolsCore and Starlark logic
-macos_unit_test(
-    name = "BuildTests",
-    deps = [":BuildTestsLib"],
-    minimum_os_version = "10.13",
-)
-

Sources/Compiler/RootCommand.swift

@@ -0,0 +1,57 @@
+//
+//  MainCommand.swift
+//  PodToBUILD
+//
+//  Created by Sergey Khliustin on 26.08.2022.
+//
+
+import Foundation
+import ArgumentParser
+import PodToBUILD
+import ObjcSupport
+
+extension String: LocalizedError {
+    public var errorDescription: String? { return self }
+}
+
+struct RootCommand: ParsableCommand {
+    static var configuration = CommandConfiguration(commandName: "Compiler", abstract: "Compiles podspec.json to BUILD file")
+    @Argument(help: "podspec.json", completion: .file(extensions: ["json"]))
+    var podspecJson: String
+
+    @Option(name: .long, help: "Sources root")
+    var src: String?
+
+    @Option(name: .long, parsing: .upToNextOption, help: "Subspecs list")
+    var subspecs: [String] = []
+
+    @Option(name: .long, help: "Minimum iOS version if not listed in podspec")
+    var minIos: String = "13.0"
+
+    func run() throws {
+        _ = CrashReporter()
+        let jsonData = try NSData(contentsOfFile: podspecJson, options: []) as Data
+        let jsonFile = try JSONSerialization.jsonObject(with: jsonData, options: .allowFragments) as AnyObject
+
+        guard let jsonPodspec = jsonFile as? JSONDict else {
+            throw "Error parsing podspec at path \(podspecJson)"
+        }
+
+        let podSpec = try PodSpec(JSONPodspec: jsonPodspec)
+
+        let podSpecURL = NSURL(fileURLWithPath: podspecJson)
+        let assumedPodName = podSpecURL.lastPathComponent!.components(separatedBy: ".")[0]
+        let options = BasicBuildOptions(podName: assumedPodName,
+                                        subspecs: subspecs,
+                                        iosPlatform: minIos)
+
+        let result = PodBuildFile.with(podSpec: podSpec, buildOptions: options).compile()
+        print(result)
+    }
+
+    func absolutePath(_ path: String) -> String {
+        guard let src = src else { return path }
+        guard !path.starts(with: "/") else { return path }
+        return (src as NSString).appendingPathComponent(path)
+    }
+}

Sources/Compiler/main.swift

@@ -0,0 +1,2 @@
+
+RootCommand.main()

Sources/Generator/PodConfig.swift

@@ -0,0 +1,14 @@
+//
+//  PodConfig.swift
+//  PodToBUILD
+//
+//  Created by Sergey Khliustin on 25.08.2022.
+//
+
+import Foundation
+
+struct PodConfig: Decodable {
+    let name: String
+    let podspec: String
+    let development: Bool
+}

Sources/Generator/PodSpecification.swift

@@ -0,0 +1,47 @@
+//
+//  PodSpecification.swift
+//  PodToBUILD
+//
+//  Created by Sergey Khliustin on 25.08.2022.
+//
+
+import Foundation
+import PodToBUILD
+
+struct PodSpecification {
+    let name: String
+    let subspecs: [String]
+    let podspec: String
+    let development: Bool
+
+    static func resolve(with podConfigsMap: [String: PodConfig]) -> [PodSpecification] {
+        let podConfigs = Array(podConfigsMap.values)
+        let (podspecPaths, subspecsByPodName) =
+        podConfigs.reduce(([String: String](), [String: [String]]())) { partialResult, podConfig in
+            var podspecPaths = partialResult.0
+            var subspecsByPodName = partialResult.1
+
+            let components = podConfig.name.components(separatedBy: "/")
+            guard let podName = components.first else {
+                return partialResult
+            }
+
+            podspecPaths[podName] = podConfig.podspec
+
+            if components.count == 2, let subspecName = components.last {
+                var subspecs = subspecsByPodName[podName] ?? []
+                subspecs.append(subspecName)
+                subspecsByPodName[podName] = subspecs
+            }
+            return (podspecPaths, subspecsByPodName)
+        }
+        return podspecPaths.map({
+            PodSpecification(name: $0.key, subspecs: subspecsByPodName[$0.key] ?? [], podspec: $0.value, development: podConfigsMap[$0.key]?.development ?? false)
+        })
+    }
+
+    func toBuildOptions(src: String, ios: String) -> BuildOptions {
+        let path = (src as NSString).appendingPathComponent("Pods/\(name)")
+        return BasicBuildOptions(podName: name, subspecs: subspecs, podspecPath: podspec, sourcePath: path, iosPlatform: ios)
+    }
+}