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fix: break/continue 携当前语句列表累积值且循环出口值按迭代回写

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彭俊皓
2026-09-20 12:19:52 +00:00
parent c4ce29c6f2
commit 28ccbebd52
15 changed files with 429 additions and 66 deletions
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crates/oxide_emit/src/stmt/exception/try_catch.rs
+16 -1
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@@ -43,11 +43,16 @@ impl Emitter {
for s in &ts.block.body {
self.emit_block_fn_entry_init_stmt(s, ctx)?;
}
// try 体语句列表自压列表帧（不经块语句 emit）：非空语句记累积，
// 体内 break/continue 携值解析据此取 try 体累积值。
ctx.push_completion_list();
for s in &ts.block.body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_try_result = Some(r);
ctx.set_completion_last(r);
}
}
ctx.pop_completion_list();
ctx.block_fn_entry_mats.pop();
ctx.pop_scope();
ctx.inst(Inst::new(
@@ -85,12 +90,16 @@ impl Emitter {
for s in &catch.body.body {
self.emit_block_fn_entry_init_stmt(s, ctx)?;
}
// catch 体语句列表自压列表帧（不经块语句 emit）。
ctx.push_completion_list();
let mut last_catch_result: Option<u32> = None;
for s in &catch.body.body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_catch_result = Some(r);
ctx.set_completion_last(r);
}
}
ctx.pop_completion_list();
ctx.block_fn_entry_mats.pop();
ctx.inst(Inst::new(
OpCode::LOAD_VAR,
@@ -119,9 +128,15 @@ impl Emitter {
for s in &ts.finalizer.as_ref().unwrap().body {
self.emit_block_fn_entry_init_stmt(s, ctx)?;
}
// finally 体语句列表自压列表帧：体值本身被丢弃，但体内 break/continue
// 的携值解析须取 finally 体自身累积值（非空体穿透）。
ctx.push_completion_list();
for s in &ts.finalizer.as_ref().unwrap().body {
self.emit_statement(s, ctx)?;
if let Some(r) = self.emit_statement(s, ctx)? {
ctx.set_completion_last(r);
}
}
ctx.pop_completion_list();
ctx.block_fn_entry_mats.pop();
ctx.pop_scope();
ctx.inst(Inst::new(OpCode::TRY_FINALLY_END, Operand::None, Operand::None, Operand::None));