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refactor(compiler): 原子切换 emit 产出符号化 IR

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This commit is contained in:
爱特每羊队
2026-08-05 17:52:42 +08:00
parent 097153ec08
commit 1c328f5081
38 changed files with 720 additions and 866 deletions
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crates/oxide_compiler/src/stmt/iteration/do_while.rs
+7 -7
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@@ -1,4 +1,5 @@
use crate::compiler::{CompileCtx, Compiler, Label};
use crate::compiler::{CompileCtx, Compiler};
use crate::ir::inst::Inst;
use oxide_parser::Statement;
impl Compiler {
@@ -6,16 +7,15 @@ impl Compiler {
let Statement::DoWhileStatement(dw) = stmt else {
return Ok(None);
};
let id = ctx.next_label_id();
let start_label = Label::DoWhileStart(id);
let end_label = Label::DoWhileEnd(id);
ctx.labels.label_map.insert(start_label, ctx.bytecode.len());
let start_label = ctx.next_label_id();
let end_label = ctx.next_label_id();
ctx.labels.set_label_pos(start_label, ctx.insts.len());
ctx.push_loop(end_label, start_label);
let n_labeled = ctx.take_pending_loop_labels(end_label, start_label);
self.emit_statement(&dw.body, ctx)?;
let test_reg = self.emit_expression(&dw.test, ctx)?;
ctx.emit_jmp_if_true_labeled(test_reg, start_label);
ctx.labels.label_map.insert(end_label, ctx.bytecode.len());
ctx.inst(Inst::jmp_if_true(test_reg, start_label));
ctx.labels.set_label_pos(end_label, ctx.insts.len());
ctx.pop_label_scopes(n_labeled);
ctx.pop_loop();
Ok(None)