From: Simon Marchi Date: Mon, 8 May 2023 18:49:33 +0000 (-0400) Subject: gdbsupport: make filtered_iterator::operator* return the same thing as underlying... X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=410f4d7a76fec676ad1f22beafbdbe40c2f700de;p=binutils-gdb.git gdbsupport: make filtered_iterator::operator* return the same thing as underlying iterator This is the same idea as the previous patch, but for filtered_iterator. Without this patch, I would see this when applying the patch that removes reference_to_pointer_iterator from breakpoint_range: CXX breakpoint.o /home/smarchi/src/binutils-gdb/gdb/breakpoint.c: In function ‘void download_tracepoint_locations()’: /home/smarchi/src/binutils-gdb/gdb/breakpoint.c:11007:41: error: cannot allocate an object of abstract type ‘breakpoint’ 11007 | for (breakpoint &b : all_tracepoints ()) | ^ In file included from /home/smarchi/src/binutils-gdb/gdb/gdbthread.h:26, from /home/smarchi/src/binutils-gdb/gdb/infrun.h:21, from /home/smarchi/src/binutils-gdb/gdb/gdbarch.h:28, from /home/smarchi/src/binutils-gdb/gdb/arch-utils.h:23, from /home/smarchi/src/binutils-gdb/gdb/breakpoint.c:21: /home/smarchi/src/binutils-gdb/gdb/breakpoint.h:619:8: note: because the following virtual functions are pure within ‘breakpoint’: 619 | struct breakpoint : public intrusive_list_node | ^~~~~~~~~~ /home/smarchi/src/binutils-gdb/gdb/breakpoint.c:250:1: note: ‘virtual breakpoint::~breakpoint()’ 250 | breakpoint::~breakpoint () | ^~~~~~~~~~ Change-Id: I05285ff27d21cb0ab80cba392ec4e959167e3cd7 Reviewed-By: Andrew Burgess --- diff --git a/gdbsupport/filtered-iterator.h b/gdbsupport/filtered-iterator.h index d87484cadca..9e9548ef824 100644 --- a/gdbsupport/filtered-iterator.h +++ b/gdbsupport/filtered-iterator.h @@ -19,6 +19,8 @@ #ifndef COMMON_FILTERED_ITERATOR_H #define COMMON_FILTERED_ITERATOR_H +#include "gdbsupport/invoke-result.h" + /* A filtered iterator. This wraps BaseIterator and automatically skips elements that FilterFunc filters out. Requires that default-constructing a BaseIterator creates a valid one-past-end @@ -54,7 +56,10 @@ public: : filtered_iterator (static_cast (other)) {} - value_type operator* () const { return *m_it; } + typename gdb::invoke_result::type + operator* () const + { return *m_it; } self_type &operator++ () {