expression

type BinaryOpNode struct {
	Left     Node
	Operator Operator
	Right    Node
}

type Cache struct {
	// contains filtered or unexported fields
}

type CacheConfig struct {
	MaxSize         int64                       // Maximum memory size in bytes
	TTL             time.Duration               // Time to live for cache entries
	CleanupInterval time.Duration               // Interval for cleanup routine
	OnEvict         func(key string, value any) // Callback when an item is evicted
}

type CacheStats struct {
	Hits      int64 // Number of cache hits
	Misses    int64 // Number of cache misses
	Evictions int64 // Number of cache evictions
	Size      int64 // Current size in bytes
}

type Config struct {
	MaxDepth        int
	Timeout         int
	AllowCustom     bool
	StrictMode      bool
	CacheEnabled    bool
	CacheSize       int
	CacheTTL        time.Duration
	MaxStringLength int
	MaxArrayLength  int
}

type Expression struct {
	// contains filtered or unexported fields
}

type ExpressionError struct {
	Type    string // syntax, runtime, etc.
	Message string
	Line    int
	Col     int
}

type Function struct {
	Name      string
	Handler   any
	Validator Validator
}

type FunctionCallNode struct {
	Name string
	Args []Node
}

type IdentifierNode struct {
	Name string
}

type Metrics struct {
	ParseTime   time.Duration
	EvalTime    time.Duration
	CacheHits   int64
	CacheMisses int64
}

type Node interface {
	Evaluate(ctx context.Context, variables map[string]any) (any, error)
}

type NumberNode struct {
	Value float64
}

type Operator struct {
	Name       string
	Precedence int
	Handler    func(left, right any) (any, error)
}

type StringNode struct {
	Value string
}

type Token struct {
	Type  TokenType
	Value string
	Line  int
	Col   int
}

type TokenType int

type Validator func(args []any) error