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BAYES_HAM(-3.00)[99.99%]; NEURAL_HAM_LONG(-1.00)[-1.000]; MID_CONTAINS_FROM(1.00)[]; R_MISSING_CHARSET(0.50)[]; NEURAL_HAM_SHORT(-0.20)[-0.999]; MIME_GOOD(-0.10)[text/plain]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; RCPT_COUNT_ONE(0.00)[1]; ARC_NA(0.00)[]; DKIM_SIGNED(0.00)[suse.de:s=susede2_rsa,suse.de:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.de:mid]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; MIME_TRACE(0.00)[0:+]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; TO_DN_NONE(0.00)[]; PREVIOUSLY_DELIVERED(0.00)[gdb-patches@sourceware.org]; RCVD_TLS_ALL(0.00)[] X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces~public-inbox=simark.ca@sourceware.org Add a function block::superblocks that can be used to transform: ... while (block != NULL) { ... block = block->superblock (); } ... into: ... for (auto b : block::super_blocks (block)) { ... } ... I'm not sure about the name. It might suggest that block is not included in the iteration, but in fact it is. I considered block::block_and_supers () instead, but it seems a bit awkward. --- gdb/block.h | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) diff --git a/gdb/block.h b/gdb/block.h index 091120ae2b8..4a1db79d7ed 100644 --- a/gdb/block.h +++ b/gdb/block.h @@ -108,6 +108,27 @@ struct blockranges struct block : public allocate_on_obstack { + /* Variant of next_iterator using the superblock field instead of next. */ + struct superblock_iterator : base_next_iterator + { + typedef superblock_iterator self_type; + + explicit superblock_iterator (value_type item) + : base_next_iterator (item) + { + } + + superblock_iterator () = default; + + self_type &operator++ () + { + this->m_item = this->m_item->superblock (); + return *this; + } + }; + + using superblock_range = iterator_range; + /* Return this block's start address. */ CORE_ADDR start () const { return m_start; } @@ -306,6 +327,21 @@ struct block : public allocate_on_obstack struct dynamic_prop *static_link () const; + superblock_range super_blocks () const + { + superblock_range::iterator begin (this); + + return superblock_range (std::move (begin)); + } + + static superblock_range super_blocks (const block *b) + { + if (b == nullptr) + return superblock_range (); + + return b->super_blocks (); + } + /* Return true if block A is lexically nested within this block, or if A and this block have the same pc range. Return false otherwise. If ALLOW_NESTED is true, then block A is considered -- 2.51.0