//===--- CharacterProperties.swift ----------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 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
//
//===----------------------------------------------------------------------===//

% # Ignore the following warning. This _is_ the correct file to edit.
////////////////////////////////////////////////////////////////////////////////
// WARNING: This file is manually generated from .gyb template and should not
// be directly modified. Instead, make changes to CharacterProperties.swift.gyb
// and run scripts/generate_harness/generate_harness.py to regenerate this file.
////////////////////////////////////////////////////////////////////////////////

import TestsUtils
import Foundation

public let CharacterPropertiesFetch = BenchmarkInfo(
  name: "CharacterPropertiesFetch",
  runFunction: run_CharacterPropertiesFetch,
  tags: [.validation, .api, .String])

public let CharacterPropertiesStashed = BenchmarkInfo(
  name: "CharacterPropertiesStashed",
  runFunction: run_CharacterPropertiesStashed,
  tags: [.validation, .api, .String],
  setUpFunction: { run_CharacterPropertiesStashed(1) },
  tearDownFunction: nil)

public let CharacterPropertiesStashedMemo = BenchmarkInfo(
  name: "CharacterPropertiesStashedMemo",
  runFunction: run_CharacterPropertiesStashedMemo,
  tags: [.validation, .api, .String])

public let CharacterPropertiesPrecomputed = BenchmarkInfo(
  name: "CharacterPropertiesPrecomputed",
  runFunction: run_CharacterPropertiesPrecomputed,
  tags: [.validation, .api, .String],
  setUpFunction: { run_CharacterPropertiesPrecomputed(1) },
  tearDownFunction: nil)

extension Character {
  var firstScalar: UnicodeScalar { return unicodeScalars.first! }
}

% Properties = { "Alphanumeric": "alphanumerics", \
%              "Capitalized": "capitalizedLetters", \
%              "Control": "controlCharacters", \
%              "Decimal": "decimalDigits", \
%              "Letter": "letters", \
%              "Lowercase": "lowercaseLetters", \
%              "Uppercase": "uppercaseLetters", \
%              "Newline": "newlines", \
%              "Whitespace": "whitespaces", \
%              "Punctuation": "punctuationCharacters" \
%              }

// Fetch the CharacterSet for every call
% for Property, Set in Properties.items():
func is${Property}(_ c: Character) -> Bool {
  return CharacterSet.${Set}.contains(c.firstScalar)
}
% end

// Stash the set
% for Property, Set in Properties.items():
let ${Set} = CharacterSet.${Set}
func is${Property}Stashed(_ c: Character) -> Bool {
  return ${Set}.contains(c.firstScalar)
}
% end

// Memoize the stashed set
% for Property, Set in Properties.items():
var ${Set}Memo = Set<UInt32>()
func is${Property}StashedMemo(_ c: Character) -> Bool {
  let scalar = c.firstScalar
  if ${Set}Memo.contains(scalar.value) { return true }
  if ${Set}.contains(scalar) {
    ${Set}Memo.insert(scalar.value)
    return true
  }
  return false
}
% end

// Precompute whole scalar set
% for Property, Set in Properties.items():
var ${Set}Precomputed: Set<UInt32> = {
  var result = Set<UInt32>()
  for i in 0...0x0010_FFFF {
    guard let scalar = UnicodeScalar(i) else { continue }
    if ${Set}.contains(scalar) {
      result.insert(scalar.value)
    }
  }
  return result
}()
func is${Property}Precomputed(_ c: Character) -> Bool {
  return ${Set}Precomputed.contains(c.firstScalar.value)
}
% end

// Compute on the fly
//
// TODO: If UnicodeScalars ever exposes category, etc., implement the others!
func isNewlineComputed(_ c: Character) -> Bool {
  switch c.firstScalar.value {
    case 0x000A...0x000D: return true
    case 0x0085: return true
    case 0x2028...0x2029: return true
    default: return false
  }
}

let workload = """
  the quick brown 🦊 jumped over the lazy 🐶.
  в чащах юга жил-был цитрус? да, но фальшивый экземпляр
  𓀀𓀤𓁓𓁲𓃔𓃗𓃀𓃁𓃂𓃃𓆌𓆍𓆎𓆏𓆐𓆑𓆒𓆲𓁿
  🝁ꃕ躍‾∾📦⺨
  👍👩‍👩‍👧‍👧👨‍👨‍👦‍👦🇺🇸🇨🇦🇲🇽👍🏻👍🏼👍🏽👍🏾👍🏿
  Lorem ipsum something something something...
"""

@inline(never)
public func run_CharacterPropertiesFetch(_ N: Int) {
  for _ in 1...N*10 {
    for c in workload {
    % for Property, Set in Properties.items():
        blackHole(is${Property}(c))
    % end
    }
  }
}

@inline(never)
public func run_CharacterPropertiesStashed(_ N: Int) {
  for _ in 1...N*10 {
    for c in workload {
    % for Property, Set in Properties.items():
        blackHole(is${Property}Stashed(c))
    % end
    }
  }
}

@inline(never)
public func run_CharacterPropertiesStashedMemo(_ N: Int) {
  for _ in 1...N*10 {
    for c in workload {
    % for Property, Set in Properties.items():
        blackHole(is${Property}StashedMemo(c))
    % end
    }
  }
}

@inline(never)
public func run_CharacterPropertiesPrecomputed(_ N: Int) {
  for _ in 1...N*10 {
    for c in workload {
    % for Property, Set in Properties.items():
        blackHole(is${Property}Precomputed(c))
    % end
    }
  }
}


// TODO: run_CharacterPropertiesComputed