🎉 initial commit: Nyash Programming Language完成版
🚀 主要機能: • Everything is Box哲学による革新的アーキテクチャ • WebAssemblyブラウザー対応プレイグラウンド • アーティスト協同制作デモ - 複数Boxインスタンス実証 • 視覚的デバッグシステム - DebugBox完全統合 • static box Mainパターン - メモリ安全設計 ⚡ 言語機能: • NOT/AND/OR/除算演算子完全実装 • ジェネリクス/テンプレートシステム • 非同期処理(nowait/await) • try/catchエラーハンドリング • Canvas統合グラフィックス 🎨 ブラウザー体験: • 9種類のインタラクティブデモ • リアルタイムコード実行 • WebCanvas/WebConsole/WebDisplay • モバイル対応完了 🤖 Built with Claude Code collaboration Ready for public release!
This commit is contained in:
Moe Charm
617
src/interpreter/expressions.rs
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617
src/interpreter/expressions.rs
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@ -0,0 +1,617 @@
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/*!
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* Expression Processing Module
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*
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* Extracted from core.rs lines 408-787 (~380 lines)
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* Handles expression evaluation, binary operations, method calls, and field access
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* Core philosophy: "Everything is Box" with clean expression evaluation
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*/
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use super::*;
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use crate::ast::UnaryOperator;
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// TODO: Fix NullBox import issue later
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// use crate::NullBox;
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impl NyashInterpreter {
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/// 式を実行 - Expression evaluation engine
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pub(super) fn execute_expression(&mut self, expression: &ASTNode) -> Result<Box<dyn NyashBox>, RuntimeError> {
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match expression {
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ASTNode::Literal { value, .. } => {
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Ok(value.to_nyash_box())
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}
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ASTNode::Variable { name, .. } => {
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// 🌍 革命的変数解決：local変数 → GlobalBoxフィールド → エラー
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self.resolve_variable(name)
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.map_err(|_| RuntimeError::UndefinedVariableAt {
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name: name.clone(),
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span: expression.span()
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})
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}
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ASTNode::BinaryOp { operator, left, right, .. } => {
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self.execute_binary_op(operator, left, right)
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}
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ASTNode::UnaryOp { operator, operand, .. } => {
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self.execute_unary_op(operator, operand)
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}
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ASTNode::AwaitExpression { expression, .. } => {
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self.execute_await(expression)
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}
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ASTNode::MethodCall { object, method, arguments, .. } => {
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self.execute_method_call(object, method, arguments)
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}
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ASTNode::FieldAccess { object, field, .. } => {
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self.execute_field_access(object, field)
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}
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ASTNode::New { class, arguments, type_arguments, .. } => {
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self.execute_new(class, arguments, type_arguments)
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}
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ASTNode::This { .. } => {
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// 🌍 革命的this解決：local変数から取得
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self.resolve_variable("me")
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.map_err(|_| RuntimeError::InvalidOperation {
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message: "'this' is only available inside methods".to_string(),
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})
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}
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ASTNode::Me { .. } => {
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// 🌍 革命的me解決：local変数から取得（thisと同じ）
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self.resolve_variable("me")
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.map_err(|_| RuntimeError::InvalidOperation {
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message: "'me' is only available inside methods".to_string(),
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})
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}
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ASTNode::ThisField { field, .. } => {
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// 🌍 革命的this.fieldアクセス：local変数から取得
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let this_value = self.resolve_variable("me")
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.map_err(|_| RuntimeError::InvalidOperation {
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message: "'this' is not bound in the current context".to_string(),
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})?;
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if let Some(instance) = this_value.as_any().downcast_ref::<InstanceBox>() {
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instance.get_field(field)
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.ok_or_else(|| RuntimeError::InvalidOperation {
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message: format!("Field '{}' not found on this", field)
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})
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} else {
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Err(RuntimeError::TypeError {
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message: "'this' is not an instance".to_string(),
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})
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}
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}
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ASTNode::MeField { field, .. } => {
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// 🌍 革命的me.fieldアクセス：local変数から取得
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let me_value = self.resolve_variable("me")
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.map_err(|_| RuntimeError::InvalidOperation {
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message: "'this' is not bound in the current context".to_string(),
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})?;
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if let Some(instance) = me_value.as_any().downcast_ref::<InstanceBox>() {
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instance.get_field(field)
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.ok_or_else(|| RuntimeError::InvalidOperation {
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message: format!("Field '{}' not found on me", field)
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})
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} else {
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Err(RuntimeError::TypeError {
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message: "'this' is not an instance".to_string(),
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})
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}
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}
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ASTNode::FunctionCall { name, arguments, .. } => {
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self.execute_function_call(name, arguments)
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}
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ASTNode::Arrow { sender, receiver, .. } => {
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self.execute_arrow(sender, receiver)
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}
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ASTNode::Include { filename, .. } => {
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self.execute_include(filename)?;
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Ok(Box::new(VoidBox::new()))
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}
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_ => Err(RuntimeError::InvalidOperation {
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message: format!("Cannot execute {:?} as expression", expression.node_type()),
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}),
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}
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}
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/// 二項演算を実行 - Binary operation processing
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pub(super) fn execute_binary_op(&mut self, op: &BinaryOperator, left: &ASTNode, right: &ASTNode)
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-> Result<Box<dyn NyashBox>, RuntimeError> {
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let left_val = self.execute_expression(left)?;
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let right_val = self.execute_expression(right)?;
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match op {
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BinaryOperator::Add => {
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let add_box = AddBox::new(left_val, right_val);
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Ok(add_box.execute())
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}
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BinaryOperator::Equal => {
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let result = left_val.equals(right_val.as_ref());
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Ok(Box::new(result))
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}
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BinaryOperator::NotEqual => {
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let result = left_val.equals(right_val.as_ref());
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Ok(Box::new(BoolBox::new(!result.value)))
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}
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BinaryOperator::And => {
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let left_bool = self.is_truthy(&left_val);
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if !left_bool {
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Ok(Box::new(BoolBox::new(false)))
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} else {
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let right_bool = self.is_truthy(&right_val);
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Ok(Box::new(BoolBox::new(right_bool)))
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}
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}
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BinaryOperator::Or => {
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let left_bool = self.is_truthy(&left_val);
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if left_bool {
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Ok(Box::new(BoolBox::new(true)))
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} else {
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let right_bool = self.is_truthy(&right_val);
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Ok(Box::new(BoolBox::new(right_bool)))
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}
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}
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BinaryOperator::Subtract => {
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let sub_box = SubtractBox::new(left_val, right_val);
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Ok(sub_box.execute())
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}
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BinaryOperator::Multiply => {
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let mul_box = MultiplyBox::new(left_val, right_val);
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Ok(mul_box.execute())
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}
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BinaryOperator::Divide => {
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let div_box = DivideBox::new(left_val, right_val);
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Ok(div_box.execute())
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}
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BinaryOperator::Less => {
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let result = CompareBox::less(left_val.as_ref(), right_val.as_ref());
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Ok(Box::new(result))
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}
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BinaryOperator::Greater => {
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let result = CompareBox::greater(left_val.as_ref(), right_val.as_ref());
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Ok(Box::new(result))
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}
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BinaryOperator::LessEqual => {
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let result = CompareBox::less_equal(left_val.as_ref(), right_val.as_ref());
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Ok(Box::new(result))
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}
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BinaryOperator::GreaterEqual => {
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let result = CompareBox::greater_equal(left_val.as_ref(), right_val.as_ref());
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Ok(Box::new(result))
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}
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}
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}
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/// 単項演算を実行 - Unary operation processing
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pub(super) fn execute_unary_op(&mut self, operator: &UnaryOperator, operand: &ASTNode)
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-> Result<Box<dyn NyashBox>, RuntimeError> {
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let operand_val = self.execute_expression(operand)?;
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match operator {
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UnaryOperator::Minus => {
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// 数値の符号反転
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if let Some(int_box) = operand_val.as_any().downcast_ref::<IntegerBox>() {
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Ok(Box::new(IntegerBox::new(-int_box.value)))
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} else if let Some(float_box) = operand_val.as_any().downcast_ref::<FloatBox>() {
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Ok(Box::new(FloatBox::new(-float_box.value)))
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} else {
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Err(RuntimeError::TypeError {
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message: "Unary minus can only be applied to Integer or Float".to_string(),
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})
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}
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}
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UnaryOperator::Not => {
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// 論理否定
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if let Some(bool_box) = operand_val.as_any().downcast_ref::<BoolBox>() {
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Ok(Box::new(BoolBox::new(!bool_box.value)))
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} else {
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// どんな値でもtruthyness判定してnot演算を適用
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let is_truthy = self.is_truthy(&operand_val);
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Ok(Box::new(BoolBox::new(!is_truthy)))
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}
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}
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}
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}
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/// メソッド呼び出しを実行 - Method call processing
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pub(super) fn execute_method_call(&mut self, object: &ASTNode, method: &str, arguments: &[ASTNode])
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-> Result<Box<dyn NyashBox>, RuntimeError> {
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// 🔥 static関数のチェック
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if let ASTNode::Variable { name, .. } = object {
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// static関数が存在するかチェック
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let static_func = {
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let static_funcs = self.shared.static_functions.read().unwrap();
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if let Some(box_statics) = static_funcs.get(name) {
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if let Some(func) = box_statics.get(method) {
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Some(func.clone())
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} else {
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None
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}
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} else {
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None
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}
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};
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if let Some(static_func) = static_func {
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// static関数を実行
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if let ASTNode::FunctionDeclaration { params, body, .. } = static_func {
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// 引数を評価
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let mut arg_values = Vec::new();
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for arg in arguments {
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arg_values.push(self.execute_expression(arg)?);
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}
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// パラメータ数チェック
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if arg_values.len() != params.len() {
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return Err(RuntimeError::InvalidOperation {
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message: format!("Static method {}.{} expects {} arguments, got {}",
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name, method, params.len(), arg_values.len()),
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});
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}
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// 🌍 local変数スタックを保存・クリア（static関数呼び出し開始）
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let saved_locals = self.save_local_vars();
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self.local_vars.clear();
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// 📤 outbox変数スタックも保存・クリア（static関数専用）
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let saved_outbox = self.save_outbox_vars();
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self.outbox_vars.clear();
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// 引数をlocal変数として設定
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for (param, value) in params.iter().zip(arg_values.iter()) {
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self.declare_local_variable(param, value.clone_box());
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}
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// static関数の本体を実行
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let mut result = Box::new(VoidBox::new()) as Box<dyn NyashBox>;
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for statement in &body {
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result = self.execute_statement(statement)?;
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// return文チェック
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if let super::ControlFlow::Return(return_val) = &self.control_flow {
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result = return_val.clone_box();
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self.control_flow = super::ControlFlow::None;
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break;
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}
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}
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// local変数スタックを復元
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self.restore_local_vars(saved_locals);
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// outbox変数スタックを復元
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self.restore_outbox_vars(saved_outbox);
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return Ok(result);
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}
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}
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}
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// オブジェクトを評価（通常のメソッド呼び出し）
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let obj_value = self.execute_expression(object)?;
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// StringBox method calls
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if let Some(string_box) = obj_value.as_any().downcast_ref::<StringBox>() {
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return self.execute_string_method(string_box, method, arguments);
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}
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// ArrayBox method calls
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if let Some(array_box) = obj_value.as_any().downcast_ref::<ArrayBox>() {
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return self.execute_array_method(array_box, method, arguments);
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}
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// FileBox method calls
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if let Some(file_box) = obj_value.as_any().downcast_ref::<FileBox>() {
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return self.execute_file_method(file_box, method, arguments);
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}
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// ResultBox method calls
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if let Some(result_box) = obj_value.as_any().downcast_ref::<ResultBox>() {
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return self.execute_result_method(result_box, method, arguments);
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}
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// FutureBox method calls
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if let Some(future_box) = obj_value.as_any().downcast_ref::<FutureBox>() {
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return self.execute_future_method(future_box, method, arguments);
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}
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// ChannelBox method calls
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if let Some(channel_box) = obj_value.as_any().downcast_ref::<ChannelBox>() {
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return self.execute_channel_method(channel_box, method, arguments);
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}
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// MathBox method calls
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if let Some(math_box) = obj_value.as_any().downcast_ref::<MathBox>() {
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return self.execute_math_method(math_box, method, arguments);
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}
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// NullBox method calls
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if let Some(null_box) = obj_value.as_any().downcast_ref::<crate::boxes::null_box::NullBox>() {
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return self.execute_null_method(null_box, method, arguments);
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}
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// TimeBox method calls
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if let Some(time_box) = obj_value.as_any().downcast_ref::<TimeBox>() {
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return self.execute_time_method(time_box, method, arguments);
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}
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// DateTimeBox method calls
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if let Some(datetime_box) = obj_value.as_any().downcast_ref::<DateTimeBox>() {
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return self.execute_datetime_method(datetime_box, method, arguments);
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}
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// TimerBox method calls
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if let Some(timer_box) = obj_value.as_any().downcast_ref::<TimerBox>() {
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return self.execute_timer_method(timer_box, method, arguments);
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}
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// MapBox method calls
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if let Some(map_box) = obj_value.as_any().downcast_ref::<MapBox>() {
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return self.execute_map_method(map_box, method, arguments);
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}
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// RandomBox method calls
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if let Some(random_box) = obj_value.as_any().downcast_ref::<RandomBox>() {
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return self.execute_random_method(random_box, method, arguments);
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}
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// SoundBox method calls
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if let Some(sound_box) = obj_value.as_any().downcast_ref::<SoundBox>() {
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return self.execute_sound_method(sound_box, method, arguments);
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}
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// DebugBox method calls
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if let Some(debug_box) = obj_value.as_any().downcast_ref::<DebugBox>() {
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return self.execute_debug_method(debug_box, method, arguments);
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}
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// ConsoleBox method calls
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if let Some(console_box) = obj_value.as_any().downcast_ref::<crate::boxes::console_box::ConsoleBox>() {
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return self.execute_console_method(console_box, method, arguments);
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}
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// WebDisplayBox method calls (WASM環境のみ)
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#[cfg(target_arch = "wasm32")]
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if let Some(web_display_box) = obj_value.as_any().downcast_ref::<crate::boxes::WebDisplayBox>() {
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return self.execute_web_display_method(web_display_box, method, arguments);
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}
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// WebConsoleBox method calls (WASM環境のみ)
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#[cfg(target_arch = "wasm32")]
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if let Some(web_console_box) = obj_value.as_any().downcast_ref::<crate::boxes::WebConsoleBox>() {
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return self.execute_web_console_method(web_console_box, method, arguments);
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}
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// WebCanvasBox method calls (WASM環境のみ)
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#[cfg(target_arch = "wasm32")]
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if let Some(web_canvas_box) = obj_value.as_any().downcast_ref::<crate::boxes::WebCanvasBox>() {
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return self.execute_web_canvas_method(web_canvas_box, method, arguments);
|
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}
|
||||
|
||||
// MethodBox method calls
|
||||
if let Some(method_box) = obj_value.as_any().downcast_ref::<crate::method_box::MethodBox>() {
|
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return self.execute_method_box_method(method_box, method, arguments);
|
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}
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// IntegerBox method calls
|
||||
if let Some(integer_box) = obj_value.as_any().downcast_ref::<IntegerBox>() {
|
||||
return self.execute_integer_method(integer_box, method, arguments);
|
||||
}
|
||||
|
||||
// FloatBox method calls (将来的に追加予定)
|
||||
|
||||
// RangeBox method calls (将来的に追加予定)
|
||||
|
||||
// InstanceBox method calls
|
||||
if let Some(instance) = obj_value.as_any().downcast_ref::<InstanceBox>() {
|
||||
// fini()は特別処理
|
||||
if method == "fini" {
|
||||
// 既に解放済みの場合は何もしない（二重fini()対策）
|
||||
if instance.is_finalized() {
|
||||
return Ok(Box::new(VoidBox::new()));
|
||||
}
|
||||
|
||||
// まず、Box内で定義されたfini()メソッドがあれば実行
|
||||
if let Some(fini_method) = instance.get_method("fini") {
|
||||
if let ASTNode::FunctionDeclaration { body, .. } = fini_method.clone() {
|
||||
// 🌍 革命的メソッド実行：local変数スタックを使用
|
||||
let saved_locals = self.save_local_vars();
|
||||
self.local_vars.clear();
|
||||
|
||||
// thisをlocal変数として設定
|
||||
self.declare_local_variable("me", obj_value.clone_box());
|
||||
|
||||
// fini()メソッドの本体を実行
|
||||
let mut _result = Box::new(VoidBox::new()) as Box<dyn NyashBox>;
|
||||
for statement in &body {
|
||||
_result = self.execute_statement(statement)?;
|
||||
|
||||
// return文チェック
|
||||
if let super::ControlFlow::Return(_) = &self.control_flow {
|
||||
self.control_flow = super::ControlFlow::None;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// local変数スタックを復元
|
||||
self.restore_local_vars(saved_locals);
|
||||
}
|
||||
}
|
||||
|
||||
// インスタンスの内部的な解放処理
|
||||
instance.fini().map_err(|e| RuntimeError::InvalidOperation {
|
||||
message: e,
|
||||
})?;
|
||||
finalization::mark_as_finalized(instance.box_id());
|
||||
return Ok(Box::new(VoidBox::new()));
|
||||
}
|
||||
|
||||
// メソッドを取得
|
||||
let method_ast = instance.get_method(method)
|
||||
.ok_or(RuntimeError::InvalidOperation {
|
||||
message: format!("Method '{}' not found in {}", method, instance.class_name),
|
||||
})?
|
||||
.clone();
|
||||
|
||||
// メソッドが関数宣言の形式であることを確認
|
||||
if let ASTNode::FunctionDeclaration { params, body, .. } = method_ast {
|
||||
// 引数を評価
|
||||
let mut arg_values = Vec::new();
|
||||
for arg in arguments {
|
||||
arg_values.push(self.execute_expression(arg)?);
|
||||
}
|
||||
|
||||
// パラメータ数チェック
|
||||
if arg_values.len() != params.len() {
|
||||
return Err(RuntimeError::InvalidOperation {
|
||||
message: format!("Method {} expects {} arguments, got {}",
|
||||
method, params.len(), arg_values.len()),
|
||||
});
|
||||
}
|
||||
|
||||
// 🌍 革命的メソッド実行：local変数スタックを使用
|
||||
let saved_locals = self.save_local_vars();
|
||||
self.local_vars.clear();
|
||||
|
||||
// thisをlocal変数として設定
|
||||
self.declare_local_variable("me", obj_value.clone_box());
|
||||
|
||||
// パラメータをlocal変数として設定
|
||||
for (param, value) in params.iter().zip(arg_values.iter()) {
|
||||
self.declare_local_variable(param, value.clone_box());
|
||||
}
|
||||
|
||||
// メソッド本体を実行
|
||||
let mut result: Box<dyn NyashBox> = Box::new(VoidBox::new());
|
||||
for statement in &body {
|
||||
result = self.execute_statement(statement)?;
|
||||
|
||||
// return文チェック
|
||||
if let super::ControlFlow::Return(return_val) = &self.control_flow {
|
||||
result = return_val.clone_box();
|
||||
self.control_flow = super::ControlFlow::None;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// local変数スタックを復元
|
||||
self.restore_local_vars(saved_locals);
|
||||
|
||||
Ok(result)
|
||||
} else {
|
||||
Err(RuntimeError::InvalidOperation {
|
||||
message: format!("Method '{}' is not a valid function declaration", method),
|
||||
})
|
||||
}
|
||||
} else {
|
||||
Err(RuntimeError::TypeError {
|
||||
message: format!("Cannot call method '{}' on non-instance type", method),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
/// フィールドアクセスを実行 - Field access processing
|
||||
pub(super) fn execute_field_access(&mut self, object: &ASTNode, field: &str)
|
||||
-> Result<Box<dyn NyashBox>, RuntimeError> {
|
||||
// 🔥 Static Boxアクセスチェック
|
||||
if let ASTNode::Variable { name, .. } = object {
|
||||
// Static boxの可能性をチェック
|
||||
if self.is_static_box(name) {
|
||||
return self.execute_static_field_access(name, field);
|
||||
}
|
||||
}
|
||||
|
||||
// オブジェクトを評価（通常のフィールドアクセス）
|
||||
let obj_value = self.execute_expression(object)?;
|
||||
|
||||
// InstanceBoxにキャスト
|
||||
if let Some(instance) = obj_value.as_any().downcast_ref::<InstanceBox>() {
|
||||
// フィールドの値を取得
|
||||
instance.get_field(field)
|
||||
.ok_or(RuntimeError::InvalidOperation {
|
||||
message: format!("Field '{}' not found in {}", field, instance.class_name),
|
||||
})
|
||||
} else {
|
||||
Err(RuntimeError::TypeError {
|
||||
message: format!("Cannot access field '{}' on non-instance type. Type: {}", field, obj_value.type_name()),
|
||||
})
|
||||
}
|
||||
}
|
||||
|
||||
/// 🔥 Static Box名前空間のフィールドアクセス
|
||||
fn execute_static_field_access(&mut self, static_box_name: &str, field: &str)
|
||||
-> Result<Box<dyn NyashBox>, RuntimeError> {
|
||||
// 1. Static Boxの初期化を確実に実行
|
||||
self.ensure_static_box_initialized(static_box_name)?;
|
||||
|
||||
// 2. GlobalBox.statics.{static_box_name} からインスタンスを取得
|
||||
let global_box = self.shared.global_box.lock()
|
||||
.map_err(|_| RuntimeError::RuntimeFailure {
|
||||
message: "Failed to acquire global box lock".to_string()
|
||||
})?;
|
||||
|
||||
let statics_box = global_box.get_field("statics")
|
||||
.ok_or(RuntimeError::RuntimeFailure {
|
||||
message: "statics namespace not found in GlobalBox".to_string()
|
||||
})?;
|
||||
|
||||
let statics_instance = statics_box.as_any()
|
||||
.downcast_ref::<InstanceBox>()
|
||||
.ok_or(RuntimeError::TypeError {
|
||||
message: "statics field is not an InstanceBox".to_string()
|
||||
})?;
|
||||
|
||||
let static_box_instance = statics_instance.get_field(static_box_name)
|
||||
.ok_or(RuntimeError::RuntimeFailure {
|
||||
message: format!("Static box '{}' instance not found in statics namespace", static_box_name)
|
||||
})?;
|
||||
|
||||
let instance = static_box_instance.as_any()
|
||||
.downcast_ref::<InstanceBox>()
|
||||
.ok_or(RuntimeError::TypeError {
|
||||
message: format!("Static box '{}' is not an InstanceBox", static_box_name)
|
||||
})?;
|
||||
|
||||
// 3. フィールドアクセス
|
||||
instance.get_field(field)
|
||||
.ok_or(RuntimeError::InvalidOperation {
|
||||
message: format!("Field '{}' not found in static box '{}'", field, static_box_name),
|
||||
})
|
||||
}
|
||||
|
||||
|
||||
/// await式を実行 - Execute await expression
|
||||
pub(super) fn execute_await(&mut self, expression: &ASTNode) -> Result<Box<dyn NyashBox>, RuntimeError> {
|
||||
let value = self.execute_expression(expression)?;
|
||||
|
||||
// FutureBoxなら待機して結果を取得
|
||||
if let Some(future) = value.as_any().downcast_ref::<FutureBox>() {
|
||||
future.wait_and_get()
|
||||
.map_err(|msg| RuntimeError::InvalidOperation { message: msg })
|
||||
} else {
|
||||
// FutureBoxでなければそのまま返す
|
||||
Ok(value)
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user