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Update codegen.rs

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This commit is contained in:
Shunsuke Shibayama 2022-10-18 10:30:24 +09:00
parent d0456ec1ee
commit eadfe9794a
1 changed files with 14 additions and 0 deletions
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14
compiler/erg_compiler/codegen.rs
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@ -831,6 +831,17 @@ impl CodeGenerator {
let name = sig.ident.inspect().clone();
let mut make_function_flag = 0u8;
let params = self.gen_param_names(&sig.params);
if !sig.params.defaults.is_empty() {
let defaults_len = sig.params.defaults.len();
sig.params
.defaults
.into_iter()
.for_each(|default| self.emit_expr(default.default_val));
self.write_instr(BUILD_TUPLE);
self.write_arg(defaults_len as u8);
self.stack_dec_n(defaults_len - 1);
make_function_flag += MakeFunctionFlags::Defaults as u8;
}
let code = self.emit_block(body.block, Some(name.clone()), params);
if !self.cur_block_codeobj().cellvars.is_empty() {
let cellvars_len = self.cur_block_codeobj().cellvars.len() as u8;
@ -852,6 +863,9 @@ impl CodeGenerator {
self.write_arg(make_function_flag);
// stack_dec: <code obj> + <name> -> <function>
self.stack_dec();
if make_function_flag & MakeFunctionFlags::Defaults as u8 != 0 {
self.stack_dec();
}
self.emit_store_instr(sig.ident, Name);
}