Class PatchProcessor

A PatchProcessor handles patches on a method/constructor

Inheritance

System.Object

PatchProcessor

Namespace: HarmonyLib

Assembly: 0Harmony.dll

Syntax

public class PatchProcessor

Constructors

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PatchProcessor(Harmony, MethodBase)

Creates a new PatchProcessor.

Declaration

public PatchProcessor(Harmony instance, MethodBase original)

Parameters

Type	Name	Description
Harmony	instance	The Harmony instance
System.Reflection.MethodBase	original	The original method/constructor

Methods

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AddFinalizer(HarmonyMethod)

Adds a finalizer

Declaration

public PatchProcessor AddFinalizer(HarmonyMethod finalizer)

Parameters

Type	Name	Description
HarmonyMethod	finalizer	The finalizer as a HarmonyMethod

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddFinalizer(MethodInfo)

Adds a finalizer

Declaration

public PatchProcessor AddFinalizer(MethodInfo fixMethod)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	fixMethod	The finalizer method

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddInfix(HarmonyMethod)

Adds an infix

Declaration

public PatchProcessor AddInfix(HarmonyMethod infix)

Parameters

Type	Name	Description
HarmonyMethod	infix	The infix as a HarmonyMethod

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddInfix(MethodInfo)

Adds a postfix

Declaration

public PatchProcessor AddInfix(MethodInfo fixMethod)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	fixMethod	The infix method

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddPostfix(HarmonyMethod)

Adds a postfix

Declaration

public PatchProcessor AddPostfix(HarmonyMethod postfix)

Parameters

Type	Name	Description
HarmonyMethod	postfix	The postfix as a HarmonyMethod

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddPostfix(MethodInfo)

Adds a postfix

Declaration

public PatchProcessor AddPostfix(MethodInfo fixMethod)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	fixMethod	The postfix method

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddPrefix(HarmonyMethod)

Adds a prefix

Declaration

public PatchProcessor AddPrefix(HarmonyMethod prefix)

Parameters

Type	Name	Description
HarmonyMethod	prefix	The prefix as a HarmonyMethod

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddPrefix(MethodInfo)

Adds a prefix

Declaration

public PatchProcessor AddPrefix(MethodInfo fixMethod)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	fixMethod	The prefix method

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddTranspiler(HarmonyMethod)

Adds a transpiler

Declaration

public PatchProcessor AddTranspiler(HarmonyMethod transpiler)

Parameters

Type	Name	Description
HarmonyMethod	transpiler	The transpiler as a HarmonyMethod

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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AddTranspiler(MethodInfo)

Adds a transpiler

Declaration

public PatchProcessor AddTranspiler(MethodInfo fixMethod)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	fixMethod	The transpiler method

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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CreateILGenerator()

Creates a new empty System.Reflection.Emit.ILGenerator to use when reading method bodies

Declaration

public static ILGenerator CreateILGenerator()

Returns

Type	Description
System.Reflection.Emit.ILGenerator	A new System.Reflection.Emit.ILGenerator

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CreateILGenerator(MethodBase)

Creates a new System.Reflection.Emit.ILGenerator matching the method/constructor to use when reading method bodies

Declaration

public static ILGenerator CreateILGenerator(MethodBase original)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method/constructor to copy method information from

Returns

Type	Description
System.Reflection.Emit.ILGenerator	A new System.Reflection.Emit.ILGenerator

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GetAllPatchedMethods()

Gets all patched original methods in the appdomain

Declaration

public static IEnumerable<MethodBase> GetAllPatchedMethods()

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Reflection.MethodBase>	An enumeration of patched method/constructor

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GetCurrentInstructions(MethodBase, Int32, ILGenerator)

Returns the methods current list of code instructions after all existing transpilers have been applied

Declaration

public static List<CodeInstruction> GetCurrentInstructions(MethodBase original, int maxTranspilers = 2147483647, ILGenerator generator = null)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method/constructor
System.Int32	maxTranspilers	Apply only the first count of transpilers
System.Reflection.Emit.ILGenerator	generator	Optionally an existing generator that will be used to create all local variables and labels contained in the result (if not specified, an internal generator is used)

Returns

Type	Description
System.Collections.Generic.List<CodeInstruction>	A list of CodeInstruction

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GetCurrentInstructions(MethodBase, out ILGenerator, Int32)

Returns the methods current list of code instructions after all existing transpilers have been applied

Declaration

public static List<CodeInstruction> GetCurrentInstructions(MethodBase original, out ILGenerator generator, int maxTranspilers = 2147483647)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method/constructor
System.Reflection.Emit.ILGenerator	generator	A new generator that now contains all local variables and labels contained in the result
System.Int32	maxTranspilers	Apply only the first count of transpilers

Returns

Type	Description
System.Collections.Generic.List<CodeInstruction>	A list of CodeInstruction

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GetOriginalInstructions(MethodBase, ILGenerator)

Returns the methods unmodified list of code instructions

Declaration

public static List<CodeInstruction> GetOriginalInstructions(MethodBase original, ILGenerator generator = null)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method/constructor
System.Reflection.Emit.ILGenerator	generator	Optionally an existing generator that will be used to create all local variables and labels contained in the result (if not specified, an internal generator is used)

Returns

Type	Description
System.Collections.Generic.List<CodeInstruction>	A list containing all the original CodeInstruction

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GetOriginalInstructions(MethodBase, out ILGenerator)

Returns the methods unmodified list of code instructions

Declaration

public static List<CodeInstruction> GetOriginalInstructions(MethodBase original, out ILGenerator generator)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method/constructor
System.Reflection.Emit.ILGenerator	generator	A new generator that now contains all local variables and labels contained in the result

Returns

Type	Description
System.Collections.Generic.List<CodeInstruction>	A list containing all the original CodeInstruction

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GetPatchInfo(MethodBase)

Gets patch information on an original

Declaration

public static Patches GetPatchInfo(MethodBase method)

Parameters

Type	Name	Description
System.Reflection.MethodBase	method	The original method/constructor

Returns

Type	Description
Patches	The patch information as Patches

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GetSortedPatchMethods(MethodBase, Patch[])

Sort patch methods by their priority rules

Declaration

public static List<MethodInfo> GetSortedPatchMethods(MethodBase original, Patch[] patches)

Parameters

Type	Name	Description
System.Reflection.MethodBase	original	The original method
Patch[]	patches	Patches to sort

Returns

Type	Description
System.Collections.Generic.List<System.Reflection.MethodInfo>	The sorted patch methods

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Patch()

Applies all registered patches

Declaration

public MethodInfo Patch()

Returns

Type	Description
System.Reflection.MethodInfo	The generated replacement method

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ReadMethodBody(MethodBase)

A low level way to read the body of a method. Used for quick searching in methods

Declaration

public static IEnumerable<KeyValuePair<OpCode, object>> ReadMethodBody(MethodBase method)

Parameters

Type	Name	Description
System.Reflection.MethodBase	method	The original method

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<System.Reflection.Emit.OpCode, System.Object>>	All instructions as opcode/operand pairs

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ReadMethodBody(MethodBase, ILGenerator)

A low level way to read the body of a method. Used for quick searching in methods

Declaration

public static IEnumerable<KeyValuePair<OpCode, object>> ReadMethodBody(MethodBase method, ILGenerator generator)

Parameters

Type	Name	Description
System.Reflection.MethodBase	method	The original method
System.Reflection.Emit.ILGenerator	generator	An existing generator that will be used to create all local variables and labels contained in the result

Returns

Type	Description
System.Collections.Generic.IEnumerable<System.Collections.Generic.KeyValuePair<System.Reflection.Emit.OpCode, System.Object>>	All instructions as opcode/operand pairs

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Unpatch(HarmonyPatchType, String)

Unpatches patches of a given type and/or Harmony ID

Declaration

public PatchProcessor Unpatch(HarmonyPatchType type, string harmonyID)

Parameters

Type	Name	Description
HarmonyPatchType	type	The HarmonyPatchType patch type
System.String	harmonyID	Harmony ID or `*` for any

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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Unpatch(MethodInfo)

Unpatches a specific patch

Declaration

public PatchProcessor Unpatch(MethodInfo patch)

Parameters

Type	Name	Description
System.Reflection.MethodInfo	patch	The method of the patch

Returns

Type	Description
PatchProcessor	A PatchProcessor for chaining calls

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VersionInfo(out Version)

Gets Harmony version for all active Harmony instances

Declaration

public static Dictionary<string, Version> VersionInfo(out Version currentVersion)

Parameters

Type	Name	Description
System.Version	currentVersion	[out] The current Harmony version

Returns

Type	Description
System.Collections.Generic.Dictionary<System.String, System.Version>	A dictionary containing assembly version keyed by Harmony ID