Simplified Evaluate function

src/scope/Variable.go

@@ -1,28 +1,7 @@
 package scope
 
-import (
-	"git.urbach.dev/cli/q/src/cpu"
-	"git.urbach.dev/cli/q/src/types"
-)
-
-// Variable represents a named register.
+// Variable is a named value.
 type Variable struct {
-	Type     types.Type
-	Name     string
-	Alive    uint8
-	Register cpu.Register
-}
-
-// IsAlive returns true if the variable is still alive.
-func (v *Variable) IsAlive() bool {
-	return v.Alive > 0
-}
-
-// Use reduces the lifetime counter by one.
-func (v *Variable) Use() {
-	if v.Alive == 0 {
-		panic("incorrect number of variable use calls")
-	}
-
-	v.Alive--
+	Value
+	Name string
 }