fix: refactor VM instruction type

Use custom types for VM instructions. More idiomatic code for tracing.

1 files changed, 57 insertions, 0 deletions

diff --git a/vm/op_string.go b/vm/op_string.go
new file mode 100644
index 0000000..ef3f3ee
--- /dev/null
+++ b/vm/op_string.go
@@ -0,0 +1,57 @@
+// Code generated by "stringer -type=Op"; DO NOT EDIT.
+
+package vm
+
+import "strconv"
+
+func _() {
+	// An "invalid array index" compiler error signifies that the constant values have changed.
+	// Re-run the stringer command to generate them again.
+	var x [1]struct{}
+	_ = x[Nop-0]
+	_ = x[Add-1]
+	_ = x[Addr-2]
+	_ = x[Assign-3]
+	_ = x[Fassign-4]
+	_ = x[Vassign-5]
+	_ = x[Call-6]
+	_ = x[Calli-7]
+	_ = x[CallX-8]
+	_ = x[Deref-9]
+	_ = x[Dup-10]
+	_ = x[Fdup-11]
+	_ = x[Equal-12]
+	_ = x[EqualSet-13]
+	_ = x[Exit-14]
+	_ = x[Field-15]
+	_ = x[Greater-16]
+	_ = x[Grow-17]
+	_ = x[Index-18]
+	_ = x[Jump-19]
+	_ = x[JumpTrue-20]
+	_ = x[JumpFalse-21]
+	_ = x[JumpSetTrue-22]
+	_ = x[JumpSetFalse-23]
+	_ = x[Lower-24]
+	_ = x[Loweri-25]
+	_ = x[Mul-26]
+	_ = x[New-27]
+	_ = x[Not-28]
+	_ = x[Pop-29]
+	_ = x[Push-30]
+	_ = x[Return-31]
+	_ = x[Sub-32]
+	_ = x[Subi-33]
+}
+
+const _Op_name = "NopAddAddrAssignFassignVassignCallCalliCallXDerefDupFdupEqualEqualSetExitFieldGreaterGrowIndexJumpJumpTrueJumpFalseJumpSetTrueJumpSetFalseLowerLoweriMulNewNotPopPushReturnSubSubi"
+
+var _Op_index = [...]uint8{0, 3, 6, 10, 16, 23, 30, 34, 39, 44, 49, 52, 56, 61, 69, 73, 78, 85, 89, 94, 98, 106, 115, 126, 138, 143, 149, 152, 155, 158, 161, 165, 171, 174, 178}
+
+func (i Op) String() string {
+	idx := int(i) - 0
+	if i < 0 || idx >= len(_Op_index)-1 {
+		return "Op(" + strconv.FormatInt(int64(i), 10) + ")"
+	}
+	return _Op_name[_Op_index[idx]:_Op_index[idx+1]]
+}