package scope

import "jinx/pkg/lang/vm/code"

type ScopeID int

type ScopeKind int

const (
	ScopeKindNormal ScopeKind = iota
	ScopeKindFunction
)

type SymbolScope struct {
	variableSymbols []Symbol[SymbolVariable]
	functionSymbols []Symbol[SymbolFunction]
}

func NewSymbolScope() SymbolScope {
	return SymbolScope{
		variableSymbols: make([]Symbol[SymbolVariable], 0),
		functionSymbols: make([]Symbol[SymbolFunction], 0),
	}
}

type FunctionScope struct {
	id           ScopeID
	unit         code.Marker
	subUnitCount int
}

func NewFunctionScope(id ScopeID, unit code.Marker) FunctionScope {
	return FunctionScope{
		id:           id,
		unit:         unit,
		subUnitCount: 0,
	}
}

func (sf FunctionScope) ID() ScopeID {
	return sf.id
}

func (sf FunctionScope) Unit() code.Marker {
	return sf.unit
}

func (sf FunctionScope) IsRootScope() bool {
	return sf.ID() == ScopeID(0)
}