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Concurrency lockdown #42

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merged 7 commits into from Apr 13, 2024
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4 changes: 4 additions & 0 deletions .github/workflows/swift.yml
Expand Up @@ -20,6 +20,10 @@ jobs:
steps:
- uses: actions/checkout@v4

# default Xcode for macOS 14 image is v15.0.1
- name: Select Xcode 15.3
run: sudo xcode-select -s /Applications/Xcode_15.3.app

- name: Show Build SDK
run: xcodebuild -showsdks

Expand Down
14 changes: 8 additions & 6 deletions Sources/Lindenmayer/Examples/Examples3D.swift
Expand Up @@ -218,7 +218,9 @@ public enum Examples3D: Sendable {
/// ![A screenshot showing four rendered trees that correspond to the parameters as described in The Algorithmic Beauty of Plants for figure 2.6](rendered_2_6_trees.png)
///
/// The example source for this L-system is [available on GitHub](https://github.com/heckj/Lindenmayer/blob/main/Sources/Lindenmayer/Examples3D.swift).
public static let monopodialTree = LSystem.create(
///

public static let monopodialTree: ParameterizedRandomContextualLSystem<MonopodialDefn, Xoshiro> = LSystem.create(
[Trunk(growthDistance: defines.trunklength, diameter: defines.trunkdiameter)],
with: Xoshiro(seed: 42),
using: defines
Expand Down Expand Up @@ -349,7 +351,7 @@ public enum Examples3D: Sendable {
/// ![A screenshot showing four rendered trees that correspond to the parameters as described in The Algorithmic Beauty of Plants for figure 2.7](rendered_2_7_trees.png)
///
/// The example source for this L-system is [available on GitHub](https://github.com/heckj/Lindenmayer/blob/main/Sources/Lindenmayer/Examples3D.swift).
public static let sympodialTree = LSystem.create(
public static let sympodialTree: ParameterizedRandomContextualLSystem<SympodialDefn, Xoshiro> = LSystem.create(
MainBranch(growthDistance: 10, diameter: 1),
with: Xoshiro(seed: 0),
using: figure2_7A
Expand Down Expand Up @@ -415,19 +417,19 @@ public enum Examples3D: Sendable {
}

public static let randomBush = LSystem.create(Stem2(length: 1), with: Xoshiro(seed: 42))
.rewriteWithRNG(directContext: Stem2.self) { stem, rng -> [Module] in
.rewriteWithRNG(directContext: Stem2.self) { stem, rng async -> [Module] in

let upper: Float = 45.0
let lower: Float = 15.0

if rng.p(0.5) {
return [
if await rng.p(0.5) {
return await [
StaticStem2(length: 2),
Modules.PitchDown(angle: Angle(degrees: Double(rng.randomFloat(in: lower ... upper)))),
Stem2(length: stem.length),
]
} else {
return [
return await [
StaticStem2(length: 2),
Modules.PitchUp(angle: Angle(degrees: Double(rng.randomFloat(in: lower ... upper)))),
Stem2(length: stem.length),
Expand Down
16 changes: 8 additions & 8 deletions Sources/Lindenmayer/LSystem.swift
Expand Up @@ -55,7 +55,7 @@ public enum LSystem: Sendable {
/// - Parameters:
/// - axiom: An initial module that represents the initial state of the Lindenmayer system..
/// - prng: An optional psuedo-random number generator to use for randomness in rule productions.
public static func create<RNGType>(_ axiom: Module, with prng: RNGType?) -> RandomContextualLSystem<RNGType> {
public static func create<RNGType: Sendable>(_ axiom: Module, with prng: RNGType?) -> RandomContextualLSystem<RNGType> {
if let prng {
return RandomContextualLSystem(axiom: [axiom], state: nil, newStateIndicators: nil, prng: RNGWrapper(prng))
}
Expand All @@ -66,7 +66,7 @@ public enum LSystem: Sendable {
/// - Parameters:
/// - axiom: A sequence of modules that represents the initial state of the Lindenmayer system..
/// - prng: An optional psuedo-random number generator to use for for randomness in rule productions.
public static func create<RNGType>(_ axiom: [Module], with prng: RNGType?) -> RandomContextualLSystem<RNGType> {
public static func create<RNGType: Sendable>(_ axiom: [Module], with prng: RNGType?) -> RandomContextualLSystem<RNGType> {
if let prng {
return RandomContextualLSystem(axiom: axiom, state: nil, newStateIndicators: nil, prng: RNGWrapper(prng))
}
Expand All @@ -78,22 +78,22 @@ public enum LSystem: Sendable {
/// - axiom: An initial module that represents the initial state of the Lindenmayer system.
/// - prng: An optional psuedo-random number generator to use for for randomness in rule productions.
/// - parameters: An instance of type you provide that the L-system provides to the rules you create for use as parameters.
public static func create<PType, RNGType>(_ axiom: Module, with prng: RNGType?, using parameters: PType) -> ParameterizedRandomContextualLSystem<PType, RNGType> {
public static func create<PType: Sendable, RNGType: Sendable>(_ axiom: Module, with prng: RNGType?, using parameters: PType) -> ParameterizedRandomContextualLSystem<PType, RNGType> {
if let prng {
return ParameterizedRandomContextualLSystem(axiom: [axiom], state: nil, newStateIndicators: nil, parameters: ParametersWrapper(parameters), prng: RNGWrapper(prng), rules: [])
return ParameterizedRandomContextualLSystem(axiom: [axiom], state: nil, newStateIndicators: nil, parameters: parameters, prng: RNGWrapper(prng), rules: [])
}
return ParameterizedRandomContextualLSystem(axiom: [axiom], state: nil, newStateIndicators: nil, parameters: ParametersWrapper(parameters), prng: RNGWrapper(Xoshiro(seed: 42) as! RNGType), rules: [])
return ParameterizedRandomContextualLSystem(axiom: [axiom], state: nil, newStateIndicators: nil, parameters: parameters, prng: RNGWrapper(Xoshiro(seed: 42) as! RNGType), rules: [])
}

/// Creates a new Lindenmayer system from an initial state, using the random number generator and parameter instance that you provide.
/// - Parameters:
/// - axiom: A sequence of modules that represents the initial state of the Lindenmayer system..
/// - prng: An optional psuedo-random number generator to use for for randomness in rule productions.
/// - parameters: An instance of type you provide that the L-system provides to the rules you create for use as parameters.
public static func create<PType, RNGType>(_ axiom: [Module], with prng: RNGType?, using parameters: PType) -> ParameterizedRandomContextualLSystem<PType, RNGType> {
public static func create<PType: Sendable, RNGType: Sendable>(_ axiom: [Module], with prng: RNGType?, using parameters: PType) -> ParameterizedRandomContextualLSystem<PType, RNGType> {
if let prng {
return ParameterizedRandomContextualLSystem(axiom: axiom, state: nil, newStateIndicators: nil, parameters: ParametersWrapper(parameters), prng: RNGWrapper(prng), rules: [])
return ParameterizedRandomContextualLSystem(axiom: axiom, state: nil, newStateIndicators: nil, parameters: parameters, prng: RNGWrapper(prng), rules: [])
}
return ParameterizedRandomContextualLSystem(axiom: axiom, state: nil, newStateIndicators: nil, parameters: ParametersWrapper(parameters), prng: RNGWrapper(Xoshiro(seed: 42) as! RNGType), rules: [])
return ParameterizedRandomContextualLSystem(axiom: axiom, state: nil, newStateIndicators: nil, parameters: parameters, prng: RNGWrapper(Xoshiro(seed: 42) as! RNGType), rules: [])
}
}
24 changes: 12 additions & 12 deletions Sources/Lindenmayer/LSystemTypes/ContextualLSystem.swift
Expand Up @@ -132,8 +132,8 @@ public extension ContextualLSystem {
/// - produces: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<DC>(_ direct: DC.Type,
where evalClosure: @escaping (DC) -> Bool,
produces produceClosure: @escaping (DC) -> [Module]) -> Self where DC: Module
where evalClosure: @Sendable @escaping (DC) -> Bool,
produces produceClosure: @Sendable @escaping (DC) -> [Module]) -> Self where DC: Module
{
let newRule = RewriteRuleDirect(direct: direct, where: evalClosure, produce: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -147,7 +147,7 @@ public extension ContextualLSystem {
/// - produce: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<DC>(_ direct: DC.Type,
produces produceClosure: @escaping (DC) -> [Module]) -> Self where DC: Module
produces produceClosure: @Sendable @escaping (DC) -> [Module]) -> Self where DC: Module
{
let newRule = RewriteRuleDirect(direct: direct, where: nil, produce: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -162,8 +162,8 @@ public extension ContextualLSystem {
/// - produces: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<LC, DC>(leftContext: LC.Type, directContext: DC.Type,
where evalClosure: @escaping (LC, DC) -> Bool,
produces produceClosure: @escaping (LC, DC) -> [Module]) -> Self where LC: Module, DC: Module
where evalClosure: @Sendable @escaping (LC, DC) -> Bool,
produces produceClosure: @Sendable @escaping (LC, DC) -> [Module]) -> Self where LC: Module, DC: Module
{
let newRule = RewriteRuleLeftDirect(leftType: leftContext, directType: directContext, where: evalClosure, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -177,7 +177,7 @@ public extension ContextualLSystem {
/// - produce: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<LC, DC>(leftContext: LC.Type, directContext: DC.Type,
produces produceClosure: @escaping (LC, DC) -> [Module]) -> Self where LC: Module, DC: Module
produces produceClosure: @Sendable @escaping (LC, DC) -> [Module]) -> Self where LC: Module, DC: Module
{
let newRule = RewriteRuleLeftDirect(leftType: leftContext, directType: directContext, where: nil, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -192,8 +192,8 @@ public extension ContextualLSystem {
/// - produces: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<DC, RC>(directContext: DC.Type, rightContext: RC.Type,
where evalClosure: @escaping (DC, RC) -> Bool,
produces produceClosure: @escaping (DC, RC) -> [Module]) -> Self where DC: Module, RC: Module
where evalClosure: @Sendable @escaping (DC, RC) -> Bool,
produces produceClosure: @Sendable @escaping (DC, RC) -> [Module]) -> Self where DC: Module, RC: Module
{
let newRule = RewriteRuleDirectRight(directType: directContext, rightType: rightContext, where: evalClosure, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -207,7 +207,7 @@ public extension ContextualLSystem {
/// - produce: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<DC, RC>(directContext: DC.Type, rightContext: RC.Type,
produces produceClosure: @escaping (DC, RC) -> [Module]) -> Self where DC: Module, RC: Module
produces produceClosure: @Sendable @escaping (DC, RC) -> [Module]) -> Self where DC: Module, RC: Module
{
let newRule = RewriteRuleDirectRight(directType: directContext, rightType: rightContext, where: nil, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -222,8 +222,8 @@ public extension ContextualLSystem {
/// - produces: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<LC, DC, RC>(leftContext: LC.Type, directContext: DC.Type, rightContext: RC.Type,
where evalClosure: @escaping (LC, DC, RC) -> Bool,
produces produceClosure: @escaping (LC, DC, RC) -> [Module]) -> Self where LC: Module, DC: Module, RC: Module
where evalClosure: @Sendable @escaping (LC, DC, RC) -> Bool,
produces produceClosure: @Sendable @escaping (LC, DC, RC) -> [Module]) -> Self where LC: Module, DC: Module, RC: Module
{
let newRule = RewriteRuleLeftDirectRight(leftType: leftContext, directType: directContext, rightType: rightContext, where: evalClosure, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand All @@ -237,7 +237,7 @@ public extension ContextualLSystem {
/// - produce: A closure that you provide that returns a list of modules to replace the matching module.
/// - Returns: A new L-System with the additional rule added.
func rewrite<LC, DC, RC>(leftContext: LC.Type, directContext: DC.Type, rightContext: RC.Type,
produces produceClosure: @escaping (LC, DC, RC) -> [Module]) -> Self where LC: Module, DC: Module, RC: Module
produces produceClosure: @Sendable @escaping (LC, DC, RC) -> [Module]) -> Self where LC: Module, DC: Module, RC: Module
{
let newRule = RewriteRuleLeftDirectRight(leftType: leftContext, directType: directContext, rightType: rightContext, where: nil, produces: produceClosure)
var newRuleSet: [Rule] = rules
Expand Down