1 files changed, 38 insertions, 0 deletions
diff --git a/src/StardewModdingAPI.AssemblyRewriters/IInstructionRewriter.cs b/src/StardewModdingAPI.AssemblyRewriters/IInstructionRewriter.cs
new file mode 100644
index 00000000..2f16b23d
--- /dev/null
+++ b/src/StardewModdingAPI.AssemblyRewriters/IInstructionRewriter.cs
@@ -0,0 +1,38 @@
+using Mono.Cecil;
+using Mono.Cecil.Cil;
+
+namespace StardewModdingAPI.AssemblyRewriters
+{
+    /// <summary>Rewrites CIL instructions for compatibility.</summary>
+    public interface IInstructionRewriter
+    {
+        /*********
+        ** Accessors
+        *********/
+        /// <summary>A brief noun phrase indicating what the rewriter matches.</summary>
+        string NounPhrase { get; }
+
+
+        /*********
+        ** Methods
+        *********/
+        /// <summary>Rewrite a method definition for compatibility.</summary>
+        /// <param name="module">The module being rewritten.</param>
+        /// <param name="method">The method definition to rewrite.</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>
+        /// <returns>Returns whether the instruction was rewritten.</returns>
+        /// <exception cref="IncompatibleInstructionException">The CIL instruction is not compatible, and can't be rewritten.</exception>
+        bool Rewrite(ModuleDefinition module, MethodDefinition method, PlatformAssemblyMap assemblyMap, bool platformChanged);
+
+        /// <summary>Rewrite a CIL instruction for compatibility.</summary>
+        /// <param name="module">The module being rewritten.</param>
+        /// <param name="cil">The CIL rewriter.</param>
+        /// <param name="instruction">The instruction to rewrite.</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>
+        /// <returns>Returns whether the instruction was rewritten.</returns>
+        /// <exception cref="IncompatibleInstructionException">The CIL instruction is not compatible, and can't be rewritten.</exception>
+        bool Rewrite(ModuleDefinition module, ILProcessor cil, Instruction instruction, PlatformAssemblyMap assemblyMap, bool platformChanged);
+    }
+}