有没有文档或者是我可以查阅的Cecil源代码部分，以便全面了解给定Code值时Cecil将使用哪些Operand类型？例如：我可以从MethodBodyRocks中得知Ldloc采用VariableDefinition类型的Operand，但是对于其他指令代码，我尚未能够追踪到这一点。请注意保留HTML标记。
2个回答
21
除了poupou的答案外，OpCodes.cs 显示了每个指令代码分配给哪个OperandType。使用这个OperandType，您可以查看CodeReader.ReadOperand，以了解这些OperandType如何用于确定构造哪种具体对象类型。还要注意，CodeReader.ReadCode在返回之前使用CodeReader.ResolveBranches将一些操作数从指令偏移转换为Instruction对象。
我创建了这个表格，它比每次查找源代码更方便（未在此表格中涵盖的任何内容都应该是 InlineNone OperandType）：
Instruction.OpCode.Code|Instruction.OpCode.OperandType|Instruction.Operand class
Ldarg_S |ShortInlineArg |ParameterDefinition
Ldarga_S |ShortInlineArg |ParameterDefinition
Starg_S |ShortInlineArg |ParameterDefinition
Ldloc_S |ShortInlineVar |VariableDefinition
Ldloca_S |ShortInlineVar |VariableDefinition
Stloc_S |ShortInlineVar |VariableDefinition
Ldc_I4_S |ShortInlineI |sbyte <===== NOTE: special case
Ldc_I4 |InlineI |int32
Ldc_I8 |InlineI8 |int64
Ldc_R4 |ShortInlineR |single
Ldc_R8 |InlineR |float (64 bit)
Jmp |InlineMethod |MethodReference
Call |InlineMethod |MethodReference
Calli |InlineSig |CallSite
Br_S |ShortInlineBrTarget |Instruction
Brfalse_S |ShortInlineBrTarget |Instruction
Brtrue_S |ShortInlineBrTarget |Instruction
Beq_S |ShortInlineBrTarget |Instruction
Bge_S |ShortInlineBrTarget |Instruction
Bgt_S |ShortInlineBrTarget |Instruction
Ble_S |ShortInlineBrTarget |Instruction
Blt_S |ShortInlineBrTarget |Instruction
Bne_Un_S |ShortInlineBrTarget |Instruction
Bge_Un_S |ShortInlineBrTarget |Instruction
Bgt_Un_S |ShortInlineBrTarget |Instruction
Ble_Un_S |ShortInlineBrTarget |Instruction
Blt_Un_S |ShortInlineBrTarget |Instruction
Br |InlineBrTarget |Instruction
Brfalse |InlineBrTarget |Instruction
Brtrue |InlineBrTarget |Instruction
Beq |InlineBrTarget |Instruction
Bge |InlineBrTarget |Instruction
Bgt |InlineBrTarget |Instruction
Ble |InlineBrTarget |Instruction
Blt |InlineBrTarget |Instruction
Bne_Un |InlineBrTarget |Instruction
Bge_Un |InlineBrTarget |Instruction
Bgt_Un |InlineBrTarget |Instruction
Ble_Un |InlineBrTarget |Instruction
Blt_Un |InlineBrTarget |Instruction
Switch |InlineSwitch |Instruction array
Callvirt |InlineMethod |MethodReference
Cpobj |InlineType |TypeReference
Ldobj |InlineType |TypeReference
Ldstr |InlineString |string
Newobj |InlineMethod |MethodReference
Castclass |InlineType |TypeReference
Isinst |InlineType |TypeReference
Unbox |InlineType |TypeReference
Ldfld |InlineField |FieldReference
Ldflda |InlineField |FieldReference
Stfld |InlineField |FieldReference
Ldsfld |InlineField |FieldReference
Ldsflda |InlineField |FieldReference
Stsfld |InlineField |FieldReference
Stobj |InlineType |TypeReference
Box |InlineType |TypeReference
Newarr |InlineType |TypeReference
Ldelema |InlineType |TypeReference
Ldelem_Any |InlineType |TypeReference
Stelem_Any |InlineType |TypeReference
Unbox_Any |InlineType |TypeReference
Refanyval |InlineType |TypeReference
Mkrefany |InlineType |TypeReference
Ldtoken |InlineTok |IMetadataTokenProvider
Leave |InlineBrTarget |Instruction
Leave_S |ShortInlineBrTarget |Instruction
Ldftn |InlineMethod |MethodReference
Ldvirtftn |InlineMethod |MethodReference
Ldarg |InlineArg |ParameterDefinition
Ldarga |InlineArg |ParameterDefinition
Starg |InlineArg |ParameterDefinition
Ldloc |InlineVar |VariableDefinition
Ldloca |InlineVar |VariableDefinition
Stloc |InlineVar |VariableDefinition
Unaligned |ShortInlineI |byte
Initobj |InlineType |TypeReference
Constrained |InlineType |TypeReference
No |ShortInlineI |byte
Sizeof |InlineType |TypeReference
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