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fix: for codegen bug

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This commit is contained in:
Shunsuke Shibayama 2023-07-18 21:27:04 +09:00
parent 91aaa0702a
commit dc28905959
1 changed files with 5 additions and 3 deletions
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8
crates/erg_compiler/codegen.rs
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@ -477,7 +477,7 @@ impl PyCodeGenerator {
let before_instr = self.lasti().saturating_sub(1);
self.mut_cur_block_codeobj().code.push(bytes[1]);
self.mut_cur_block().lasti += 1;
self.extend_arg(before_instr, &bytes)
self.extend_arg(before_instr, &bytes) + 1
}
Err(_) => {
let delta =
@ -493,7 +493,7 @@ impl PyCodeGenerator {
let before_instr = self.lasti().saturating_sub(1);
self.mut_cur_block_codeobj().code.push(bytes[3]);
self.mut_cur_block().lasti += 1;
self.extend_arg(before_instr, &bytes)
self.extend_arg(before_instr, &bytes) + 1
}
},
}
@ -1833,6 +1833,8 @@ impl PyCodeGenerator {
self.write_instr(GET_ITER);
self.write_arg(0);
let idx_for_iter = self.lasti();
self.write_instr(EXTENDED_ARG);
self.write_arg(0);
self.write_instr(FOR_ITER);
self.stack_inc();
// FOR_ITER pushes a value onto the stack, but we can't know how many
@ -1865,7 +1867,7 @@ impl PyCodeGenerator {
_ => todo!("not supported Python version"),
}
let idx_end = self.lasti();
self.calc_edit_jump(idx_for_iter + 1, idx_end - idx_for_iter - 2);
self.fill_jump(idx_for_iter + 1, idx_end - idx_for_iter - 2 - 2);
self.stack_dec();
self.emit_load_const(ValueObj::None);
debug_assert_eq!(self.stack_len(), _init_stack_len + 1);