bjoernager/rust
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separate the receiver from arguments in HIR

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This commit is contained in:
Takayuki Maeda 2022-09-01 13:27:31 +09:00
parent 6e4a9ab650
commit 87c6da363f
27 changed files with 115 additions and 96 deletions
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19
compiler/rustc_hir_pretty/src/lib.rs
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@ -1181,9 +1181,14 @@ impl<'a> State<'a> {
self.print_call_post(args)
}
fn print_expr_method_call(&mut self, segment: &hir::PathSegment<'_>, args: &[hir::Expr<'_>]) {
let base_args = &args[1..];
self.print_expr_maybe_paren(&args[0], parser::PREC_POSTFIX);
fn print_expr_method_call(
&mut self,
segment: &hir::PathSegment<'_>,
receiver: &hir::Expr<'_>,
args: &[hir::Expr<'_>],
) {
let base_args = args;
self.print_expr_maybe_paren(&receiver, parser::PREC_POSTFIX);
self.word(".");
self.print_ident(segment.ident);
@ -1394,8 +1399,8 @@ impl<'a> State<'a> {
hir::ExprKind::Call(func, args) => {
self.print_expr_call(func, args);
}
hir::ExprKind::MethodCall(segment, args, _) => {
self.print_expr_method_call(segment, args);
hir::ExprKind::MethodCall(segment, receiver, args, _) => {
self.print_expr_method_call(segment, receiver, args);
}
hir::ExprKind::Binary(op, lhs, rhs) => {
self.print_expr_binary(op, lhs, rhs);
@ -2413,9 +2418,9 @@ fn contains_exterior_struct_lit(value: &hir::Expr<'_>) -> bool {
contains_exterior_struct_lit(x)
}
hir::ExprKind::MethodCall(.., exprs, _) => {
hir::ExprKind::MethodCall(_, receiver, ..) => {
// `X { y: 1 }.bar(...)`
contains_exterior_struct_lit(&exprs[0])
contains_exterior_struct_lit(receiver)
}
_ => false,