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I was always a bit confused by next_adapter, because it kind of mixes the element type and the iterator type. In reality, it is not much more than a class that wraps two iterators (begin and end). However, it assumes that: - you can construct the begin iterator by passing a pointer to the first element of the iterable - you can default-construct iterator to make the end iterator I think that by generalizing it a little bit, we can re-use it at more places. Rename it to "iterator_range". I think it describes a bit better: it's a range made by wrapping a begin and end iterator. Move it to its own file, since it's not related to next_iterator anymore. iterator_range has two constructors. The variadic one, where arguments are forwarded to construct the underlying begin iterator. The end iterator is constructed through default construction. This is a generalization of what we have today. There is another constructor which receives already constructed begin and end iterators, useful if the end iterator can't be obtained by default-construction. Or, if you wanted to make a range that does not end at the end of the container, you could pass any iterator as the "end". This generalization allows removing some "range" classes, like all_inferiors_range. These classes existed only to pass some arguments when constructing the begin iterator. With iterator_range, those same arguments are passed to the iterator_range constructed and then forwarded to the constructed begin iterator. There is a small functional difference in how iterator_range works compared to next_adapter. next_adapter stored the pointer it received as argument and constructeur an iterator in the `begin` method. iterator_range constructs the begin iterator and stores it as a member. Its `begin` method returns a copy of that iterator. With just iterator_range, uses of next_adapter<foo> would be replaced with: using foo_iterator = next_iterator<foo>; using foo_range = iterator_range<foo_iterator>; However, I added a `next_range` wrapper as a direct replacement for next_adapter<foo>. IMO, next_range is a slightly better name than next_adapter. The rest of the changes are applications of this new class. gdbsupport/ChangeLog: * next-iterator.h (class next_adapter): Remove. * iterator-range.h: New. gdb/ChangeLog: * breakpoint.h (bp_locations_range): Remove. (bp_location_range): New. (struct breakpoint) <locations>: Adjust type. (breakpoint_range): Use iterator_range. (tracepoint_range): Use iterator_range. * breakpoint.c (breakpoint::locations): Adjust return type. * gdb_bfd.h (gdb_bfd_section_range): Use iterator_range. * gdbthread.h (all_threads_safe): Pass argument to all_threads_safe_range. * inferior-iter.h (all_inferiors_range): Use iterator_range. (all_inferiors_safe_range): Use iterator_range. (all_non_exited_inferiors_range): Use iterator_range. * inferior.h (all_inferiors, all_non_exited_inferiors): Pass inferior_list as argument. * objfiles.h (struct objfile) <compunits_range>: Remove. <compunits>: Return compunit_symtab_range. * progspace.h (unwrapping_objfile_iterator) <unwrapping_objfile_iterator>: Take parameter by value. (unwrapping_objfile_range): Use iterator_range. (struct program_space) <objfiles_range>: Define with "using". <objfiles>: Adjust. <objfiles_safe_range>: Define with "using". <objfiles_safe>: Adjust. <solibs>: Return so_list_range, define here. * progspace.c (program_space::solibs): Remove. * psymtab.h (class psymtab_storage) <partial_symtab_iterator>: New. <partial_symtab_range>: Use iterator_range. * solist.h (so_list_range): New. * symtab.h (compunit_symtab_range): New. (symtab_range): New. (compunit_filetabs): Change to a function. * thread-iter.h (inf_threads_range, inf_non_exited_threads_range, safe_inf_threads_range, all_threads_safe_range): Use iterator_range. * top.h (ui_range): New. (all_uis): Use ui_range. Change-Id: Ib7a9d2a3547f45f01aa1c6b24536ba159db9b854 |
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README for GNU development tools This directory contains various GNU compilers, assemblers, linkers, debuggers, etc., plus their support routines, definitions, and documentation. If you are receiving this as part of a GDB release, see the file gdb/README. If with a binutils release, see binutils/README; if with a libg++ release, see libg++/README, etc. That'll give you info about this package -- supported targets, how to use it, how to report bugs, etc. It is now possible to automatically configure and build a variety of tools with one command. To build all of the tools contained herein, run the ``configure'' script here, e.g.: ./configure make To install them (by default in /usr/local/bin, /usr/local/lib, etc), then do: make install (If the configure script can't determine your type of computer, give it the name as an argument, for instance ``./configure sun4''. You can use the script ``config.sub'' to test whether a name is recognized; if it is, config.sub translates it to a triplet specifying CPU, vendor, and OS.) If you have more than one compiler on your system, it is often best to explicitly set CC in the environment before running configure, and to also set CC when running make. For example (assuming sh/bash/ksh): CC=gcc ./configure make A similar example using csh: setenv CC gcc ./configure make Much of the code and documentation enclosed is copyright by the Free Software Foundation, Inc. See the file COPYING or COPYING.LIB in the various directories, for a description of the GNU General Public License terms under which you can copy the files. REPORTING BUGS: Again, see gdb/README, binutils/README, etc., for info on where and how to report problems.