fix: 修复无 else 块时冗余指令跳转问题

2026-10-25 11:11:11 +08:00 · 2026-06-06 13:30:41 +08:00
parent 527f57b520
commit 8d4620e1da
2 changed files with 10 additions and 5 deletions
@@ -93,9 +93,12 @@ impl Compiler {
                    ));
                }

-                let end_pos = ctx.label_map[&end_label];
-                let offset = (end_pos as isize) - (ctx.bytecode.len() as isize);
-                ctx.emit(opcode::encode_jmp(offset as i16));
+                let has_alt = ifs.alternate.is_some();
+                if has_alt {
+                    let end_pos = ctx.label_map[&end_label];
+                    let offset = (end_pos as isize) - (ctx.bytecode.len() as isize);
+                    ctx.emit(opcode::encode_jmp(offset as i16));
+                }

                if let Some(alt) = &ifs.alternate {
                    let alt_reg = self.emit_statement(alt, ctx)?;