diff options
Diffstat (limited to 'src/SMAPI/Framework')
26 files changed, 1004 insertions, 593 deletions
diff --git a/src/SMAPI/Framework/ModLoading/AssemblyLoader.cs b/src/SMAPI/Framework/ModLoading/AssemblyLoader.cs index 8df492eb..5218938f 100644 --- a/src/SMAPI/Framework/ModLoading/AssemblyLoader.cs +++ b/src/SMAPI/Framework/ModLoading/AssemblyLoader.cs @@ -4,8 +4,8 @@ using System.IO; using System.Linq; using System.Reflection; using Mono.Cecil; -using Mono.Cecil.Cil; using StardewModdingAPI.Framework.Exceptions; +using StardewModdingAPI.Framework.ModLoading.Framework; using StardewModdingAPI.Metadata; using StardewModdingAPI.Toolkit.Framework.ModData; using StardewModdingAPI.Toolkit.Utilities; @@ -49,6 +49,8 @@ namespace StardewModdingAPI.Framework.ModLoading this.Monitor = monitor; this.ParanoidMode = paranoidMode; this.AssemblyMap = this.TrackForDisposal(Constants.GetAssemblyMap(targetPlatform)); + + // init resolver this.AssemblyDefinitionResolver = this.TrackForDisposal(new AssemblyDefinitionResolver()); this.AssemblyDefinitionResolver.AddSearchDirectory(Constants.ExecutionPath); this.AssemblyDefinitionResolver.AddSearchDirectory(Constants.InternalFilesPath); @@ -124,7 +126,7 @@ namespace StardewModdingAPI.Framework.ModLoading if (changed) { if (!oneAssembly) - this.Monitor.Log($" Loading {assembly.File.Name} (rewritten in memory)...", LogLevel.Trace); + this.Monitor.Log($" Loading {assembly.File.Name} (rewritten)...", LogLevel.Trace); using MemoryStream outStream = new MemoryStream(); assembly.Definition.Write(outStream); byte[] bytes = outStream.ToArray(); @@ -280,35 +282,32 @@ namespace StardewModdingAPI.Framework.ModLoading this.ChangeTypeScope(type); } - // find (and optionally rewrite) incompatible instructions - bool anyRewritten = false; - IInstructionHandler[] handlers = new InstructionMetadata().GetHandlers(this.ParanoidMode).ToArray(); - foreach (MethodDefinition method in this.GetMethods(module)) - { - // check method definition - foreach (IInstructionHandler handler in handlers) + // find or rewrite code + IInstructionHandler[] handlers = new InstructionMetadata().GetHandlers(this.ParanoidMode, platformChanged).ToArray(); + RecursiveRewriter rewriter = new RecursiveRewriter( + module: module, + rewriteType: (type, replaceWith) => { - InstructionHandleResult result = handler.Handle(module, method, this.AssemblyMap, platformChanged); - this.ProcessInstructionHandleResult(mod, handler, result, loggedMessages, logPrefix, filename); - if (result == InstructionHandleResult.Rewritten) - anyRewritten = true; - } - - // check CIL instructions - ILProcessor cil = method.Body.GetILProcessor(); - var instructions = cil.Body.Instructions; - // ReSharper disable once ForCanBeConvertedToForeach -- deliberate access by index so each handler sees replacements from previous handlers - for (int offset = 0; offset < instructions.Count; offset++) + bool rewritten = false; + foreach (IInstructionHandler handler in handlers) + rewritten |= handler.Handle(module, type, replaceWith); + return rewritten; + }, + rewriteInstruction: (instruction, cil, replaceWith) => { + bool rewritten = false; foreach (IInstructionHandler handler in handlers) - { - Instruction instruction = instructions[offset]; - InstructionHandleResult result = handler.Handle(module, cil, instruction, this.AssemblyMap, platformChanged); - this.ProcessInstructionHandleResult(mod, handler, result, loggedMessages, logPrefix, filename); - if (result == InstructionHandleResult.Rewritten) - anyRewritten = true; - } + rewritten |= handler.Handle(module, cil, instruction, replaceWith); + return rewritten; } + ); + bool anyRewritten = rewriter.RewriteModule(); + + // handle rewrite flags + foreach (IInstructionHandler handler in handlers) + { + foreach (var flag in handler.Flags) + this.ProcessInstructionHandleResult(mod, handler, flag, loggedMessages, logPrefix, filename); } return platformChanged || anyRewritten; @@ -323,49 +322,52 @@ namespace StardewModdingAPI.Framework.ModLoading /// <param name="filename">The assembly filename for log messages.</param> private void ProcessInstructionHandleResult(IModMetadata mod, IInstructionHandler handler, InstructionHandleResult result, HashSet<string> loggedMessages, string logPrefix, string filename) { + // get message template + // ($phrase is replaced with the noun phrase or messages) + string template = null; switch (result) { case InstructionHandleResult.Rewritten: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Rewrote {filename} to fix {handler.NounPhrase}..."); + template = $"{logPrefix}Rewrote {filename} to fix $phrase..."; break; case InstructionHandleResult.NotCompatible: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Broken code in {filename}: {handler.NounPhrase}."); + template = $"{logPrefix}Broken code in {filename}: $phrase."; mod.SetWarning(ModWarning.BrokenCodeLoaded); break; case InstructionHandleResult.DetectedGamePatch: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected game patcher ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected game patcher ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.PatchesGame); break; case InstructionHandleResult.DetectedSaveSerializer: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected possible save serializer change ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected possible save serializer change ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.ChangesSaveSerializer); break; case InstructionHandleResult.DetectedUnvalidatedUpdateTick: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected reference to {handler.NounPhrase} in assembly {filename}."); + template = $"{logPrefix}Detected reference to $phrase in assembly {filename}."; mod.SetWarning(ModWarning.UsesUnvalidatedUpdateTick); break; case InstructionHandleResult.DetectedDynamic: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected 'dynamic' keyword ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected 'dynamic' keyword ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.UsesDynamic); break; case InstructionHandleResult.DetectedConsoleAccess: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected direct console access ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected direct console access ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.AccessesConsole); break; case InstructionHandleResult.DetectedFilesystemAccess: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected filesystem access ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected filesystem access ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.AccessesFilesystem); break; case InstructionHandleResult.DetectedShellAccess: - this.Monitor.LogOnce(loggedMessages, $"{logPrefix}Detected shell or process access ({handler.NounPhrase}) in assembly {filename}."); + template = $"{logPrefix}Detected shell or process access ($phrase) in assembly {filename}."; mod.SetWarning(ModWarning.AccessesShell); break; @@ -375,6 +377,17 @@ namespace StardewModdingAPI.Framework.ModLoading default: throw new NotSupportedException($"Unrecognized instruction handler result '{result}'."); } + if (template == null) + return; + + // format messages + if (handler.Phrases.Any()) + { + foreach (string message in handler.Phrases) + this.Monitor.LogOnce(template.Replace("$phrase", message)); + } + else + this.Monitor.LogOnce(template.Replace("$phrase", handler.DefaultPhrase ?? handler.GetType().Name)); } /// <summary>Get the correct reference to use for compatibility with the current platform.</summary> @@ -393,18 +406,5 @@ namespace StardewModdingAPI.Framework.ModLoading AssemblyNameReference assemblyRef = this.AssemblyMap.TargetReferences[assembly]; type.Scope = assemblyRef; } - - /// <summary>Get all methods in a module.</summary> - /// <param name="module">The module to search.</param> - private IEnumerable<MethodDefinition> GetMethods(ModuleDefinition module) - { - return ( - from type in module.GetTypes() - where type.HasMethods - from method in type.Methods - where method.HasBody - select method - ); - } } } diff --git a/src/SMAPI/Framework/ModLoading/Finders/EventFinder.cs b/src/SMAPI/Framework/ModLoading/Finders/EventFinder.cs index 898bafb4..e1476b73 100644 --- a/src/SMAPI/Framework/ModLoading/Finders/EventFinder.cs +++ b/src/SMAPI/Framework/ModLoading/Finders/EventFinder.cs @@ -1,10 +1,12 @@ +using System; using Mono.Cecil; using Mono.Cecil.Cil; +using StardewModdingAPI.Framework.ModLoading.Framework; namespace StardewModdingAPI.Framework.ModLoading.Finders { /// <summary>Finds incompatible CIL instructions that reference a given event.</summary> - internal class EventFinder : IInstructionHandler + internal class EventFinder : BaseInstructionHandler { /********* ** Fields @@ -20,13 +22,6 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /********* - ** Accessors - *********/ - /// <summary>A brief noun phrase indicating what the instruction finder matches.</summary> - public string NounPhrase { get; } - - - /********* ** Public methods *********/ /// <summary>Construct an instance.</summary> @@ -34,34 +29,25 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /// <param name="eventName">The event name for which to find references.</param> /// <param name="result">The result to return for matching instructions.</param> public EventFinder(string fullTypeName, string eventName, InstructionHandleResult result) + : base(defaultPhrase: $"{fullTypeName}.{eventName} event") { this.FullTypeName = fullTypeName; this.EventName = eventName; this.Result = result; - this.NounPhrase = $"{fullTypeName}.{eventName} event"; } - /// <summary>Perform the predefined logic for a method if applicable.</summary> - /// <param name="module">The assembly module containing the instruction.</param> - /// <param name="method">The method definition containing the instruction.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged) - { - return InstructionHandleResult.None; - } - - /// <summary>Perform the predefined logic for an instruction if applicable.</summary> + /// <summary>Rewrite a CIL instruction reference if needed.</summary> /// <param name="module">The assembly module containing the instruction.</param> /// <param name="cil">The CIL processor.</param> - /// <param name="instruction">The instruction to handle.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged) + /// <param name="instruction">The CIL instruction to handle.</param> + /// <param name="replaceWith">Replaces the CIL instruction with a new one.</param> + /// <returns>Returns whether the instruction was changed.</returns> + public override bool Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, Action<Instruction> replaceWith) { - return this.IsMatch(instruction) - ? this.Result - : InstructionHandleResult.None; + if (!this.Flags.Contains(this.Result) && this.IsMatch(instruction)) + this.MarkFlag(this.Result); + + return false; } diff --git a/src/SMAPI/Framework/ModLoading/Finders/FieldFinder.cs b/src/SMAPI/Framework/ModLoading/Finders/FieldFinder.cs index 606ca8b7..c157ed9b 100644 --- a/src/SMAPI/Framework/ModLoading/Finders/FieldFinder.cs +++ b/src/SMAPI/Framework/ModLoading/Finders/FieldFinder.cs @@ -1,10 +1,12 @@ +using System; using Mono.Cecil; using Mono.Cecil.Cil; +using StardewModdingAPI.Framework.ModLoading.Framework; namespace StardewModdingAPI.Framework.ModLoading.Finders { /// <summary>Finds incompatible CIL instructions that reference a given field.</summary> - internal class FieldFinder : IInstructionHandler + internal class FieldFinder : BaseInstructionHandler { /********* ** Fields @@ -20,13 +22,6 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /********* - ** Accessors - *********/ - /// <summary>A brief noun phrase indicating what the instruction finder matches.</summary> - public string NounPhrase { get; } - - - /********* ** Public methods *********/ /// <summary>Construct an instance.</summary> @@ -34,49 +29,25 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /// <param name="fieldName">The field name for which to find references.</param> /// <param name="result">The result to return for matching instructions.</param> public FieldFinder(string fullTypeName, string fieldName, InstructionHandleResult result) + : base(defaultPhrase: $"{fullTypeName}.{fieldName} field") { this.FullTypeName = fullTypeName; this.FieldName = fieldName; this.Result = result; - this.NounPhrase = $"{fullTypeName}.{fieldName} field"; } - /// <summary>Perform the predefined logic for a method if applicable.</summary> - /// <param name="module">The assembly module containing the instruction.</param> - /// <param name="method">The method definition containing the instruction.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged) - { - return InstructionHandleResult.None; - } - - /// <summary>Perform the predefined logic for an instruction if applicable.</summary> + /// <summary>Rewrite a CIL instruction reference if needed.</summary> /// <param name="module">The assembly module containing the instruction.</param> /// <param name="cil">The CIL processor.</param> - /// <param name="instruction">The instruction to handle.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged) + /// <param name="instruction">The CIL instruction to handle.</param> + /// <param name="replaceWith">Replaces the CIL instruction with a new one.</param> + /// <returns>Returns whether the instruction was changed.</returns> + public override bool Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, Action<Instruction> replaceWith) { - return this.IsMatch(instruction) - ? this.Result - : InstructionHandleResult.None; - } - + if (!this.Flags.Contains(this.Result) && RewriteHelper.IsFieldReferenceTo(instruction, this.FullTypeName, this.FieldName)) + this.MarkFlag(this.Result); - /********* - ** Protected methods - *********/ - /// <summary>Get whether a CIL instruction matches.</summary> - /// <param name="instruction">The IL instruction.</param> - protected bool IsMatch(Instruction instruction) - { - FieldReference fieldRef = RewriteHelper.AsFieldReference(instruction); - return - fieldRef != null - && fieldRef.DeclaringType.FullName == this.FullTypeName - && fieldRef.Name == this.FieldName; + return false; } } } diff --git a/src/SMAPI/Framework/ModLoading/Finders/MethodFinder.cs b/src/SMAPI/Framework/ModLoading/Finders/MethodFinder.cs index 9ca246ff..82c93a7c 100644 --- a/src/SMAPI/Framework/ModLoading/Finders/MethodFinder.cs +++ b/src/SMAPI/Framework/ModLoading/Finders/MethodFinder.cs @@ -1,10 +1,12 @@ +using System; using Mono.Cecil; using Mono.Cecil.Cil; +using StardewModdingAPI.Framework.ModLoading.Framework; namespace StardewModdingAPI.Framework.ModLoading.Finders { /// <summary>Finds incompatible CIL instructions that reference a given method.</summary> - internal class MethodFinder : IInstructionHandler + internal class MethodFinder : BaseInstructionHandler { /********* ** Fields @@ -20,13 +22,6 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /********* - ** Accessors - *********/ - /// <summary>A brief noun phrase indicating what the instruction finder matches.</summary> - public string NounPhrase { get; } - - - /********* ** Public methods *********/ /// <summary>Construct an instance.</summary> @@ -34,34 +29,25 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /// <param name="methodName">The method name for which to find references.</param> /// <param name="result">The result to return for matching instructions.</param> public MethodFinder(string fullTypeName, string methodName, InstructionHandleResult result) + : base(defaultPhrase: $"{fullTypeName}.{methodName} method") { this.FullTypeName = fullTypeName; this.MethodName = methodName; this.Result = result; - this.NounPhrase = $"{fullTypeName}.{methodName} method"; } - /// <summary>Perform the predefined logic for a method if applicable.</summary> - /// <param name="module">The assembly module containing the instruction.</param> - /// <param name="method">The method definition containing the instruction.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged) - { - return InstructionHandleResult.None; - } - - /// <summary>Perform the predefined logic for an instruction if applicable.</summary> + /// <summary>Rewrite a CIL instruction reference if needed.</summary> /// <param name="module">The assembly module containing the instruction.</param> /// <param name="cil">The CIL processor.</param> - /// <param name="instruction">The instruction to handle.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public InstructionHandleResult Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged) + /// <param name="instruction">The CIL instruction to handle.</param> + /// <param name="replaceWith">Replaces the CIL instruction with a new one.</param> + /// <returns>Returns whether the instruction was changed.</returns> + public override bool Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, Action<Instruction> replaceWith) { - return this.IsMatch(instruction) - ? this.Result - : InstructionHandleResult.None; + if (!this.Flags.Contains(this.Result) && this.IsMatch(instruction)) + this.MarkFlag(this.Result); + + return false; } diff --git a/src/SMAPI/Framework/ModLoading/Finders/PropertyFinder.cs b/src/SMAPI/Framework/ModLoading/Finders/PropertyFinder.cs index 0677aa88..c96d61a2 100644 --- a/src/SMAPI/Framework/ModLoading/Finders/PropertyFinder.cs +++ b/src/SMAPI/Framework/ModLoading/Finders/PropertyFinder.cs @@ -1,10 +1,12 @@ +using System; using Mono.Cecil; using Mono.Cecil.Cil; +using StardewModdingAPI.Framework.ModLoading.Framework; namespace StardewModdingAPI.Framework.ModLoading.Finders { /// <summary>Finds incompatible CIL instructions that reference a given property.</summary> - internal class PropertyFinder : IInstructionHandler + internal class PropertyFinder : BaseInstructionHandler { /********* ** Fields @@ -20,13 +22,6 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /********* - ** Accessors - *********/ - /// <summary>A brief noun phrase indicating what the instruction finder matches.</summary> - public string NounPhrase { get; } - - - /********* ** Public methods *********/ /// <summary>Construct an instance.</summary> @@ -34,34 +29,25 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /// <param name="propertyName">The property name for which to find references.</param> /// <param name="result">The result to return for matching instructions.</param> public PropertyFinder(string fullTypeName, string propertyName, InstructionHandleResult result) + : base(defaultPhrase: $"{fullTypeName}.{propertyName} property") { this.FullTypeName = fullTypeName; this.PropertyName = propertyName; this.Result = result; - this.NounPhrase = $"{fullTypeName}.{propertyName} property"; } - /// <summary>Perform the predefined logic for a method if applicable.</summary> - /// <param name="module">The assembly module containing the instruction.</param> - /// <param name="method">The method definition containing the instruction.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged) - { - return InstructionHandleResult.None; - } - - /// <summary>Perform the predefined logic for an instruction if applicable.</summary> + /// <summary>Rewrite a CIL instruction reference if needed.</summary> /// <param name="module">The assembly module containing the instruction.</param> /// <param name="cil">The CIL processor.</param> - /// <param name="instruction">The instruction to handle.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged) + /// <param name="instruction">The CIL instruction to handle.</param> + /// <param name="replaceWith">Replaces the CIL instruction with a new one.</param> + /// <returns>Returns whether the instruction was changed.</returns> + public override bool Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, Action<Instruction> replaceWith) { - return this.IsMatch(instruction) - ? this.Result - : InstructionHandleResult.None; + if (!this.Flags.Contains(this.Result) && this.IsMatch(instruction)) + this.MarkFlag(this.Result); + + return false; } diff --git a/src/SMAPI/Framework/ModLoading/Finders/ReferenceToMemberWithUnexpectedTypeFinder.cs b/src/SMAPI/Framework/ModLoading/Finders/ReferenceToMemberWithUnexpectedTypeFinder.cs index 459e3210..a67cfa4f 100644 --- a/src/SMAPI/Framework/ModLoading/Finders/ReferenceToMemberWithUnexpectedTypeFinder.cs +++ b/src/SMAPI/Framework/ModLoading/Finders/ReferenceToMemberWithUnexpectedTypeFinder.cs @@ -1,13 +1,15 @@ +using System; using System.Collections.Generic; using System.Linq; using Mono.Cecil; using Mono.Cecil.Cil; +using StardewModdingAPI.Framework.ModLoading.Framework; namespace StardewModdingAPI.Framework.ModLoading.Finders { /// <summary>Finds references to a field, property, or method which returns a different type than the code expects.</summary> /// <remarks>This implementation is purely heuristic. It should never return a false positive, but won't detect all cases.</remarks> - internal class ReferenceToMemberWithUnexpectedTypeFinder : IInstructionHandler + internal class ReferenceToMemberWithUnexpectedTypeFinder : BaseInstructionHandler { /********* ** Fields @@ -17,39 +19,23 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders /********* - ** Accessors - *********/ - /// <summary>A brief noun phrase indicating what the instruction finder matches.</summary> - public string NounPhrase { get; private set; } = ""; - - - /********* ** Public methods *********/ /// <summary>Construct an instance.</summary> /// <param name="validateReferencesToAssemblies">The assembly names to which to heuristically detect broken references.</param> public ReferenceToMemberWithUnexpectedTypeFinder(string[] validateReferencesToAssemblies) + : base(defaultPhrase: "") { this.ValidateReferencesToAssemblies = new HashSet<string>(validateReferencesToAssemblies); } - /// <summary>Perform the predefined logic for a method if applicable.</summary> - /// <param name="module">The assembly module containing the instruction.</param> - /// <param name="method">The method definition containing the instruction.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged) - { - return InstructionHandleResult.None; - } - - /// <summary>Perform the predefined logic for an instruction if applicable.</summary> + /// <summary>Rewrite a CIL instruction reference if needed.</summary> /// <param name="module">The assembly module containing the instruction.</param> /// <param name="cil">The CIL processor.</param> - /// <param name="instruction">The instruction to handle.</param> - /// <param name="assemblyMap">Metadata for mapping assemblies to the current platform.</param> - /// <param name="platformChanged">Whether the mod was compiled on a different platform.</param> - public virtual InstructionHandleResult Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged) + /// <param name="instruction">The CIL instruction to handle.</param> + /// <param name="replaceWith">Replaces the CIL instruction with a new one.</param> + /// <returns>Returns whether the instruction was changed.</returns> + public override bool Handle(ModuleDefinition module, ILProcessor cil, Instruction instruction, Action<Instruction> replaceWith) { // field reference FieldReference fieldRef = RewriteHelper.AsFieldReference(instruction); @@ -58,13 +44,13 @@ namespace StardewModdingAPI.Framework.ModLoading.Finders // get target field FieldDefinition targetField = fieldRef.DeclaringType.Resolve()?.Fields.FirstOrDefault(p => p.Name == fieldRef.Name); if (targetField == null) - return InstructionHandleResult.None; + return false; // validate return type if (!RewriteHelper.LooksLikeSameType(fieldRef.FieldType, targetField.FieldType)) { - this.NounPhrase = $"reference to {fieldRef.DeclaringType.FullName}.{fieldRef.Name} (field returns {this.GetFriendlyTypeName(targetField.FieldType)}, not {this.GetFriendlyTypeName(fieldRef.FieldType)})"; - return InstructionHandleResult.NotCompatible; + this.MarkFlag(InstructionHandleResult.NotCompatible, $"reference to {fieldRef.DeclaringType.FullName}.{fieldRef.Name} (field returns {this.GetFriendlyTypeName(targetField.FieldType)}, not {this.GetFriendlyTypeName(fieldRef.FieldType)})"); + ret |