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internal: better print style for hir

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This commit is contained in:
Young-Flash 2024-06-09 12:00:43 +08:00
parent 913371fb0b
commit dcbc76b967
1 changed files with 16 additions and 2 deletions
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18
crates/hir-def/src/body/pretty.rs
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@ -48,22 +48,36 @@ pub(super) fn print_body_hir(db: &dyn DefDatabase, body: &Body, owner: DefWithBo
let mut p = Printer { db, body, buf: header, indent_level: 0, needs_indent: false };
if let DefWithBodyId::FunctionId(it) = owner {
p.buf.push('(');
let params = &db.function_data(it).params;
let mut params = params.iter();
let function_data = &db.function_data(it);
let (mut params, ret_type) = (function_data.params.iter(), &function_data.ret_type);
if let Some(self_param) = body.self_param {
p.print_binding(self_param);
p.buf.push(':');
p.buf.push(' ');
if let Some(ty) = params.next() {
p.print_type_ref(ty);
p.buf.push(',');
p.buf.push(' ');
}
}
body.params.iter().zip(params).for_each(|(&param, ty)| {
p.print_pat(param);
p.buf.push(':');
p.buf.push(' ');
p.print_type_ref(ty);
p.buf.push(',');
p.buf.push(' ');
});
// remove the last ", " in param list
p.buf.truncate(p.buf.len() - 2);
p.buf.push(')');
p.buf.push(' ');
// return type
p.buf.push('-');
p.buf.push('>');
p.buf.push(' ');
p.print_type_ref(ret_type);
p.buf.push(' ');
}
p.print_expr(body.body_expr);
if matches!(owner, DefWithBodyId::StaticId(_) | DefWithBodyId::ConstId(_)) {