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refactor(emit): 寄存器号 u8→u32 全链放宽，vreg 化去 checkpoint/reg_overflow（B005）

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爱特每羊队
2026-08-06 16:31:16 +08:00
parent c52bf6313e
commit 38d6c7a60e
54 changed files with 404 additions and 431 deletions
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crates/oxide_emit/src/stmt/exception/try_catch.rs
+8 -8
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@@ -7,7 +7,7 @@ use oxide_bytecode::opcode::OpCode;
use oxide_parser::{Statement, VariableDeclarationKind};
impl Emitter {
pub(crate) fn emit_try_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u8>, String> {
pub(crate) fn emit_try_statement(&self, stmt: &Statement, ctx: &mut CompileCtx) -> Result<Option<u32>, String> {
let Statement::TryStatement(ts) = stmt else {
return Ok(None);
};
@@ -23,13 +23,13 @@ impl Emitter {
if has_catch {
ctx.inst(Inst::try_begin(catch_label));
}
let mut last_try_result: Option<u8> = None;
let mut last_try_result: Option<u32> = None;
for s in &ts.block.body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_try_result = Some(r);
}
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_try_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_try_result.unwrap_or(result_reg)), Operand::None));
if has_catch {
ctx.inst(Inst::new(OpCode::TRY_END, Operand::None, Operand::None, Operand::None));
}
@@ -45,27 +45,27 @@ impl Emitter {
let catch_reg = ctx.alloc_reg();
if let oxide_parser::BindingPattern::BindingIdentifier(bi) = &param.pattern {
ctx.declare_initialized(bi.name.as_str(), catch_reg, VariableDeclarationKind::Let, false)?;
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(catch_reg as u32), Operand::None, Operand::None));
ctx.inst(Inst::new(OpCode::STORE_VAR, Operand::Reg(catch_reg), Operand::None, Operand::None));
}
}
let mut last_catch_result: Option<u8> = None;
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.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_catch_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_catch_result.unwrap_or(result_reg)), Operand::None));
ctx.pop_scope();
}
if has_finally {
ctx.labels.set_label_pos(finally_label, ctx.insts.len());
let mut last_finally_result: Option<u8> = None;
let mut last_finally_result: Option<u32> = None;
for s in &ts.finalizer.as_ref().unwrap().body {
if let Some(r) = self.emit_statement(s, ctx)? {
last_finally_result = Some(r);
}
}
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg as u32), Operand::Reg(last_finally_result.unwrap_or(result_reg) as u32), Operand::None));
ctx.inst(Inst::new(OpCode::LOAD_VAR, Operand::Reg(result_reg), Operand::Reg(last_finally_result.unwrap_or(result_reg)), Operand::None));
ctx.inst(Inst::new(OpCode::TRY_FINALLY_END, Operand::None, Operand::None, Operand::None));
}
ctx.labels.set_label_pos(try_end_label, ctx.insts.len());