CompileTime.swift

import Foundation

let buildLog = """
"""

let regex = try! NSRegularExpression(pattern: "(\\d*.\\d*)ms.*/(.*\\.swift)*", options: [])

let range = NSRange(location: 0, length: (buildLog as NSString).length)
let results = regex.matches(in: buildLog, options: [], range: range)

let values = results.reduce([String: Double]()) { values, result in
    guard result.numberOfRanges > 2 else {
        return values
    }

    let (fileName, compileTime) = (1..<result.numberOfRanges)
        .reduce(("", Double(0))) { values, index in
            let range = result.range(at: index)
            if range.location == NSNotFound {
                return values
            }
            let substring = (buildLog as NSString).substring(with: range)
            if index == 1 {
                return (values.0, Double(substring) ?? values.1)
            } else {
                return (substring, values.1)
            }
        }

    if fileName.isEmpty {
        return values
    }
    var newValues = values
    if let totalCompileTime = newValues[fileName] {
        newValues[fileName] = totalCompileTime + compileTime
    } else {
        newValues[fileName] = compileTime
    }
    return newValues
}

values.forEach {
    print("\($0.key): \($0.value)ms")
}