Move operand type lists into the vm

vm/opcode.go

@@ -69,3 +69,53 @@ const (
 	OpReturnIfFalse = 0x00000802
 	OpRetF          = OpReturnIfFalse
 )
+
+type OperandNumericType int
+
+const (
+	OperandUnsigned         OperandNumericType = 0
+	OperandSigned                              = 1
+	OperandSignedOrUnsigned                    = 2
+	OperandReference                           = 3
+)
+
+var OperandsByOpCode = map[OpCodeType][]OperandNumericType{
+	OpNop: []OperandNumericType{},
+
+	OpMov:  []OperandNumericType{OperandReference, OperandSignedOrUnsigned},
+	OpAdd:  []OperandNumericType{OperandReference, OperandSignedOrUnsigned},
+	OpSub:  []OperandNumericType{OperandReference, OperandSignedOrUnsigned},
+	OpMul:  []OperandNumericType{OperandReference, OperandSignedOrUnsigned},
+	OpDivU: []OperandNumericType{OperandReference, OperandUnsigned},
+	OpDivS: []OperandNumericType{OperandReference, OperandSigned},
+
+	OpNot: []OperandNumericType{OperandReference},
+	OpAnd: []OperandNumericType{OperandReference, OperandUnsigned},
+	OpOr:  []OperandNumericType{OperandReference, OperandUnsigned},
+	OpXor: []OperandNumericType{OperandReference, OperandUnsigned},
+
+	OpShR: []OperandNumericType{OperandReference, OperandUnsigned},
+	OpShL: []OperandNumericType{OperandReference, OperandUnsigned},
+
+	OpEq:   []OperandNumericType{OperandSignedOrUnsigned, OperandSignedOrUnsigned},
+	OpLTU:  []OperandNumericType{OperandUnsigned, OperandUnsigned},
+	OpLTS:  []OperandNumericType{OperandSigned, OperandSigned},
+	OpGTU:  []OperandNumericType{OperandUnsigned, OperandUnsigned},
+	OpGTS:  []OperandNumericType{OperandSigned, OperandSigned},
+	OpLTEU: []OperandNumericType{OperandUnsigned, OperandUnsigned},
+	OpLTES: []OperandNumericType{OperandSigned, OperandSigned},
+	OpGTEU: []OperandNumericType{OperandUnsigned, OperandUnsigned},
+	OpGTES: []OperandNumericType{OperandSigned, OperandSigned},
+
+	OpJmp:  []OperandNumericType{OperandSigned},
+	OpJmpT: []OperandNumericType{OperandSigned},
+	OpJmpF: []OperandNumericType{OperandSigned},
+
+	OpCal:  []OperandNumericType{OperandSigned},
+	OpCalT: []OperandNumericType{OperandSigned},
+	OpCalF: []OperandNumericType{OperandSigned},
+
+	OpRet:  []OperandNumericType{},
+	OpRetT: []OperandNumericType{},
+	OpRetF: []OperandNumericType{},
+}