49 lines
1.7 KiB
Rust
49 lines
1.7 KiB
Rust
|
/*!
|
|||
|
|
* Utility Functions Module
|
|||
|
|
*
|
|||
|
|
* Extracted from expressions.rs lines 1033-1085 (~52 lines)
|
|||
|
|
* Handles utility functions for object identification and hash calculations
|
|||
|
|
* Core philosophy: "Everything is Box" with helper utilities
|
|||
|
|
*/
|
|||
|
|
|
|||
|
|
use super::*;
|
|||
|
|
|
|||
|
|
impl NyashInterpreter {
|
|||
|
|
/// 🔄 循環参照検出: オブジェクトの一意IDを取得
|
|||
|
|
pub(super) fn get_object_id(&self, node: &ASTNode) -> Option<usize> {
|
|||
|
|
match node {
|
|||
|
|
ASTNode::Variable { name, .. } => {
|
|||
|
|
// 変数名のハッシュをIDとして使用
|
|||
|
|
Some(self.hash_string(name))
|
|||
|
|
}
|
|||
|
|
ASTNode::Me { .. } => {
|
|||
|
|
// 'me'参照の特別なID
|
|||
|
|
Some(usize::MAX)
|
|||
|
|
}
|
|||
|
|
ASTNode::This { .. } => {
|
|||
|
|
// 'this'参照の特別なID
|
|||
|
|
Some(usize::MAX - 1)
|
|||
|
|
}
|
|||
|
|
_ => None, // 他のノードタイプはID追跡しない
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// 🔄 文字列のシンプルなハッシュ関数
|
|||
|
|
pub(super) fn hash_string(&self, s: &str) -> usize {
|
|||
|
|
let mut hash = 0usize;
|
|||
|
|
for byte in s.bytes() {
|
|||
|
|
hash = hash.wrapping_mul(31).wrapping_add(byte as usize);
|
|||
|
|
}
|
|||
|
|
hash
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// 🔗 Convert NyashBox to NyashValue for weak reference operations
|
|||
|
|
/// Note: Currently commented out due to complexity, to be implemented in future phases
|
|||
|
|
#[allow(dead_code)]
|
|||
|
|
fn box_to_nyash_value(&self, _box_val: &Box<dyn NyashBox>) -> Option<crate::value::NyashValue> {
|
|||
|
|
// This is a placeholder for future weak reference implementation
|
|||
|
|
// When implemented, this will convert Box types back to NyashValue
|
|||
|
|
// for proper weak reference storage and management
|
|||
|
|
None
|
|||
|
|
}
|
|||
|
|
}
|