When building gdb on openSUSE Leap 15.3, using gcc 7.5.0, I run into:
...
gdb/language.c: In constructor ‘constexpr language_gdbarch::language_gdbarch()’:
gdb/language.c:921:8: error: use of deleted function \
‘language_arch_info::language_arch_info(const language_arch_info&)’
struct language_gdbarch
^~~~~~~~~~~~~~~~
In file included from gdbsupport/common-defs.h:104:0,
from gdb/defs.h:28,
from gdb/language.c:31:
gdb/language.h:95:28: note: declared here
DISABLE_COPY_AND_ASSIGN (language_arch_info);
^
include/ansidecl.h:342:3: note: in definition of macro \
‘DISABLE_COPY_AND_ASSIGN’
TYPE (const TYPE&) = delete; \
^~~~
gdb/language.c: In function ‘language_gdbarch* get_language_gdbarch(gdbarch*)’:
gdb/language.c:936:22: note: synthesized method ‘constexpr \
language_gdbarch::language_gdbarch()’ first required here
l = new struct language_gdbarch;
^~~~~~~~~~~~~~~~
...
This seems to be fixed by this change in the struct language_gdbarch
definition:
...
- struct language_arch_info arch_info[nr_languages] {};
+ struct language_arch_info arch_info[nr_languages];
...
Tested on x86_64-linux.
gdbarch implements its own registry-like approach. This patch changes
it to instead use registry.h. It's a rather large patch but largely
uninteresting -- it's mostly a straightforward conversion from the old
approach to the new one.
The main benefit of this change is that it introduces type safety to
the gdbarch registry. It also removes a bunch of code.
One possible drawback is that, previously, the gdbarch registry
differentiated between pre- and post-initialization setup. This
doesn't seem very important to me, though.
Now that filtered and unfiltered output can be treated identically, we
can unify the printf family of functions. This is done under the name
"gdb_printf". Most of this patch was written by script.
Now that filtered and unfiltered output can be treated identically, we
can unify the vprintf family of functions: vprintf_filtered,
vprintf_unfiltered, vfprintf_filtered and vfprintf_unfiltered. (For
the gdb_stdout variants, recall that only printf_unfiltered gets truly
unfiltered output at this point.) This removes one such function and
renames the remaining two to "gdb_vprintf". All callers are updated.
Much of this patch was written by script.
Add a getter and a setter for a symbol's type. Remove the corresponding
macro and adjust all callers.
Change-Id: Ie1a137744c5bfe1df4d4f9ae5541c5299577c8de
Add a getter and a setter for whether a symbol is objfile owned. Remove
the corresponding macro and adjust all callers.
Change-Id: Ib7ef3718d65553ae924ca04c3fd478b0f4f3147c
Add a getter and a setter for a symbol's domain. Remove the
corresponding macro and adjust all callers.
Change-Id: I54465b50ac89739c663859a726aef8cdc6e4b8f3
Add a getter and a setter for a symbol's aclass index. Remove the
corresponding macro and adjust all callers.
Change-Id: Ie8c8d732624cfadb714aba5ddafa3d29409b3d39
While looking into the language-capturing issue, I found another way
to crash gdb using parameters from Python:
(gdb) python print(gdb.parameter('endian'))
(This is related to PR python/12188, though this patch isn't going to
fix what that bug is really about.)
The problem here is that the global variable that underlies the
"endian" parameter is initialized to NULL. However, that's not a
valid value for an "enum" set/show parameter.
My understanding is that, in gdb, an "enum" parameter's underlying
variable must have a value that is "==" (not just strcmp-equal) to one
of the values coming from the enum array. This invariant is relied on
in various places.
I started this patch by fixing the problem with "endian". Then I
added some assertions to add_setshow_enum_cmd to try to catch other
problems of the same type.
This patch fixes all the problems that I found. I also looked at all
the calls to add_setshow_enum_cmd to ensure that they were all
included in the gdb I tested. I think they are: there are no calls in
nat-* files, or in remote-sim.c; and I was trying a build with all
targets, Python, and Guile enabled.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=12188
language_info calls:
show_language_command (NULL, 1, NULL, NULL);
... "knowing" that show_language_command does not use its ui_file
parameter. However, this was changed in commit 7514a661
("Consistently Use ui_file parameter to show callbacks").
This patch changes language_info to pass a ui_file.
It took a while to write the test -- this function is only called when
'verbose' is on and when switching the "expected" language in auto
mode.
Change language_info to use filtered output. This is ok because the
sole caller uses filtered output elsewhere, and because this function
calls show_language_command, which also uses filtered output.
This commit brings all the changes made by running gdb/copyright.py
as per GDB's Start of New Year Procedure.
For the avoidance of doubt, all changes in this commits were
performed by the script.
I happened to notice that one "show" callback was printing to
gdb_stdout rather than to the passed-in ui_file parameter. I went
through all such callbacks and fixed them to consistently use the
ui_file.
Regression tested on x86-64 Fedora 34.
The motivation is to reduce the number of places where unmanaged
pointers are returned from allocation type routines. All of the
callers are updated.
There should be no user visible changes after this commit.
There's a common pattern to call add_basic_prefix_cmd and
add_show_prefix_cmd to add matching set and show commands. Add the
add_setshow_prefix_cmd function to factor that out and use it at a few
places.
Change-Id: I6e9e90a30e9efb7b255bf839cac27b85d7069cfd
I noticed that some methods in language_defn could use
unique_xmalloc_ptr<char> rather than a plain 'char *'. This patch
implements this change, fixing up the fallout and changing
gdb_demangle to also return this type. In one spot, std::string is
used to simplify some related code, and in another, an auto_obstack is
used to avoid manual management.
Regression tested on x86-64 Fedora 34.
I noticed that value_true is declared in language.h and defined in
language.c. However, as part of the value API, I think it would be
better in one of those files. And, because it is very short, I
changed it to be an inline function in value.h. I've also removed a
comment from the implementation, on the basis that it seems obsolete
-- if the change it suggests was needed, it probably would have been
done by now; and if it is needed in the future, odds are it would be
done differently anyway.
Finally, this patch also changes value_true and value_logical_not to
return a bool, and updates some uses.
I noticed that pointer_type is declared in language.h and defined in
language.c. However, it really has to do with types, so it should
have been in gdbtypes.h all along.
This patch changes it to be a method on struct type. And, I went
through uses of TYPE_IS_REFERENCE and updated many spots to use the
new method as well. (I didn't update ones that were in arch-specific
code, as I couldn't readily test that.)
PR gdb/28093 points out that gdb crashes when language is set to
"unknown" and expression parsing is attempted. At first I thought
this was a regression due to the expression rewrite, but it turns out
that older versions crash as well.
This patch avoids the crash by changing the default expression parser
to throw an exception. I think this is preferable -- the current
behavior of silently doing nothing does not really make sense.
Bug: https://sourceware.org/bugzilla/show_bug.cgi?id=28093
Same idea as previous patch, but for add_alias_cmd. Remove the overload
that accepts the target command as a string (the target command name),
leaving only the one that takes the cmd_list_element.
gdb/ChangeLog:
* command.h (add_alias_cmd): Accept target as
cmd_list_element. Update callers.
Change-Id: I546311f411e9e7da9302322d6ffad4e6c56df266
Previously, the prefixname field of struct cmd_list_element was manually
set for prefix commands. This seems verbose and error prone as it
required every single call to functions adding prefix commands to
specify the prefix name while the same information can be easily
generated.
Historically, this was not possible as the prefix field was null for
many commands, but this was fixed in commit
3f4d92ebdf by Philippe Waroquiers, so
we can rely on the prefix field being set when generating the prefix
name.
This commit also fixes a use after free in this scenario:
* A command gets created via Python (using the gdb.Command class).
The prefix name member is dynamically allocated.
* An alias to the new command is created. The alias's prefixname is set
to point to the prefixname for the original command with a direct
assignment.
* A new command with the same name as the Python command is created.
* The object for the original Python command gets freed and its
prefixname gets freed as well.
* The alias is updated to point to the new command, but its prefixname
is not updated so it keeps pointing to the freed one.
gdb/ChangeLog:
* command.h (add_prefix_cmd): Remove the prefixname argument as
it can now be generated automatically. Update all callers.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.c (add_prefix_cmd): Ditto.
(add_basic_prefix_cmd): Ditto.
(add_show_prefix_cmd): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_prefix_cmd_suppress_notification): Ditto.
(add_abbrev_prefix_cmd): Ditto.
* cli/cli-decode.h (struct cmd_list_element): Replace the
prefixname member variable with a method which generates the
prefix name at runtime. Update all code reading the prefix
name to use the method, and remove all code setting it.
* python/py-cmd.c (cmdpy_destroyer): Remove code to free the
prefixname member as it's now a method.
(cmdpy_function): Determine if the command is a prefix by
looking at prefixlist, not prefixname.
I noticed that language_info is only ever called with a value of '1'.
This patch removes the parameter.
2021-03-29 Tom Tromey <tromey@adacore.com>
* top.c (check_frame_language_change): Update.
* language.c (language_info): Remove parameter.
* language.h (language_info): Remove parameter.
Delete two more symbol/section related macros. This time it's
SYMBOL_SECTION and MSYMBOL_SECTION.
As with general_symbol_info::m_name it is not currently possible to
make general_symbol_info::m_section private as general_symbol_info
must remain a POD type.
But other than failing to make the new m_section private, this change
does what you'd expect, adds a get and set member function and updates
all users to use the new functions instead of the previous wrapper
macros.
There should be no user visible change after this commit.
gdb/ChangeLog:
* coff-pe-read.c (add_pe_forwarded_sym): Make use of section_index
and set_section_index member functions where appropriate.
* coffread.c (coff_symtab_read): Likewise.
(process_coff_symbol): Likewise.
* ctfread.c (set_symbol_address): Likewise.
* dwarf2/read.c (add_partial_symbol): Likewise.
(var_decode_location): Likewise.
* language.c: Likewise.
* minsyms.c (minimal_symbol_reader::record_full): Likewise.
(compact_minimal_symbols): Likewise.
(minimal_symbol_upper_bound): Likewise.
* objfiles.c (relocate_one_symbol): Likewise.
* psympriv.h (partial_symbol::obj_section): Likewise.
(partial_symbol::address): Likewise.
* psymtab.c (partial_symtab::add_psymbol): Likewise.
* stabsread.c (scan_file_globals): Likewise.
* symmisc.c (dump_msymbols): Likewise.
* symtab.c (general_symbol_info::obj_section): Likewise.
(fixup_section): Likewise.
(get_msymbol_address): Likewise.
* symtab.h (general_symbol_info::section): Rename to...
(general_symbol_info::m_section): ...this.
(general_symbol_info::set_section_index): New member function.
(general_symbol_info::section_index): Likewise.
(SYMBOL_SECTION): Delete.
(MSYMBOL_VALUE_ADDRESS): Make use of section_index and
set_section_index member functions where appropriate.
(MSYMBOL_SECTION): Delete.
(symbol::symbol): Update to initialize 'm_section'.
* xcoffread.c (read_xcoff_symtab): Make use of set_section_index.
(process_xcoff_symbol): Likewise.
I think this makes the names of the methods clearer, especially for the
arch. The type::arch method (which gets the arch owner, or NULL if the
type is not arch owned) is easily confused with the get_type_arch method
(which returns an arch no matter what). The name "arch_owner" will make
it intuitive that the method returns NULL if the type is not arch-owned.
Also, this frees the type::arch name, so we will be able to morph the
get_type_arch function into the type::arch method.
gdb/ChangeLog:
* gdbtypes.h (struct type) <arch>: Rename to...
<arch_owner>: ... this, update all users.
<objfile>: Rename to...
<objfile_owner>: ... this, update all users.
Change-Id: Ie7c28684c7b565adec05a7619c418c69429bd8c0
Update all users to use the type::is_objfile_owned method.
gdb/ChangeLog:
* gdbtypes.h (TYPE_OBJFILE_OWNED): Remove, update all users to
use the type::is_objfile_owned method.
Change-Id: Icae84d136393ab9f756f50a33ac3cedda13c5ba2
Add the following methods to struct type:
* is_objfile_owned
* set_owner (objfile and gdbarch overloads)
* objfile and arch getters
Rename the fields in main_type to ensure no other code accesses them
directly. As usual, we can't make them actually private, but giving
them the `m_` prefix will help making sure they are not accessed when
not supposed to, by convention.
Remove the TYPE_OWNER macro to ensure no code uses the type_owner struct
directly.
gdb/ChangeLog:
* gdbtypes.h (TYPE_OBJFILE_OWNED): Adjust.
(TYPE_OWNER): Remove.
(TYPE_OBJFILE): Adjust.
(struct main_type) <flag_objfile_owned>: Rename to...
<m_flag_objfile_owned>: ... this.
<owner>: Rename to...
<m_owner>: ... this.
(struct type) <is_objfile_owned, set_owner, objfile, arch>: New
methods.
(TYPE_ALLOC): Adjust.
* gdbtypes.c (alloc_type): Adjust.
(alloc_type_arch): Adjust.
(alloc_type_copy): Adjust.
(get_type_arch): Adjust.
(smash_type): Adjust.
(lookup_array_range_type): Adjust.
(recursive_dump_type): Adjust.
(copy_type_recursive): Adjust.
* compile/compile-c-types.c (convert_func): Adjust.
(convert_type_basic): Adjust.
* compile/compile-cplus-types.c (compile_cplus_convert_func):
Adjust.
* language.c
(language_arch_info::type_and_symbol::alloc_type_symbol):
Adjust.
Change-Id: I7f92e869d9f92e2402a3d3007dd0832e05aa6ac8
This commits the result of running gdb/copyright.py as per our Start
of New Year procedure...
gdb/ChangeLog
Update copyright year range in copyright header of all GDB files.
This commit removes the global function c_printchar and moves the
implementation into language_defn::printchar.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* c-lang.c (c_printchar): Rename to...
(language_defn::printchar): ...this.
* c-lang.h (c_printchar): Delete declaration.
* language.c (language_defn::printchar): Delete this
implementation. Is now implemented in c-lang.c.
gdb/ChangeLog:
* language.c (language_arch_info::lookup_primitive_type): Use
gdb::function_view instead of gdb::function.
(template language_lookup_primitive_type): Rename to ...
(language_lookup_primitive_type_1): ... this, and make static.
(language_lookup_primitive_type(const struct language_defn *,
struct gdbarch *, const char *): Make non-template.
(language_lookup_primitive_type(const struct language_defn *,
struct gdbarch *, std::function<bool (struct type *)>): Make
non-template and use gdb::function_view.
* language.h (language_arch_info::lookup_primitive_type): Use
gdb::function_view instead of std::function.
(language_lookup_primitive_type): No longer template.
* opencl-lang.c (lookup_opencl_vector_type): 'filter' is now a
lambda instead of a std::function.
Consider the following GDB session:
$ gdb
(gdb) set language c
(gdb) ptype void
type = void
(gdb) set language fortran
(gdb) ptype void
No symbol table is loaded. Use the "file" command.
(gdb)
With no symbol file loaded GDB and the language set to C GDB knows
about the type void, while when the language is set to Fortran GDB
doesn't know about the void, why is that?
In f-lang.c, f_language::language_arch_info, we do have this line:
lai->primitive_type_vector [f_primitive_type_void]
= builtin->builtin_void;
where we add the void type to the list of primitive types that GDB
should always know about, so what's going wrong?
It turns out that the primitive types are stored in a C style array,
indexed by an enum, so Fortran uses `enum f_primitive_types'. The
array is allocated and populated in each languages language_arch_info
member function. The array is allocated with an extra entry at the
end which is left as a NULL value, and this indicates the end of the
array of types.
Unfortunately for Fortran, a type is not assigned for each element in
the enum. As a result the final populated array has gaps in it, gaps
which are initialised to NULL, and so every time we iterate over the
list (for Fortran) we stop early, and never reach the void type.
This has been the case since 2007 when this functionality was added to
GDB in commit cad351d11d.
Obviously I could just fix Fortran by ensuring that either the enum is
trimmed, or we create types for the missing types. However, I think a
better approach would be to move to C++ data structures and removed
the fixed enum indexing into the array approach.
After this commit the primitive types are pushed into a vector, and
GDB just iterates over the vector in the obvious way when it needs to
hunt for a type. After this commit all the currently defined
primitive types can be found when the language is set to Fortran, for
example:
$ gdb
(gdb) set language fortran
(gdb) ptype void
type = void
(gdb)
A new test checks this functionality.
I didn't see any other languages with similar issues, but I could have
missed something.
gdb/ChangeLog:
* ada-exp.y (find_primitive_type): Make parameter const.
* ada-lang.c (enum ada_primitive_types): Delete.
(ada_language::language_arch_info): Update.
* c-lang.c (enum c_primitive_types): Delete.
(c_language_arch_info): Update.
(enum cplus_primitive_types): Delete.
(cplus_language::language_arch_info): Update.
* d-lang.c (enum d_primitive_types): Delete.
(d_language::language_arch_info): Update.
* f-lang.c (enum f_primitive_types): Delete.
(f_language::language_arch_info): Update.
* go-lang.c (enum go_primitive_types): Delete.
(go_language::language_arch_info): Update.
* language.c (auto_or_unknown_language::language_arch_info):
Update.
(language_gdbarch_post_init): Use obstack_new, use array indexing.
(language_string_char_type): Add header comment, call function in
language_arch_info.
(language_bool_type): Likewise
(language_arch_info::bool_type): Define.
(language_lookup_primitive_type_1): Delete.
(language_lookup_primitive_type): Rewrite as a templated function
to call function in language_arch_info, then instantiate twice.
(language_arch_info::type_and_symbol::alloc_type_symbol): Define.
(language_arch_info::lookup_primitive_type_and_symbol): Define.
(language_arch_info::lookup_primitive_type): Define twice with
different signatures.
(language_arch_info::lookup_primitive_type_as_symbol): Define.
(language_lookup_primitive_type_as_symbol): Rewrite to call a
member function in language_arch_info.
* language.h (language_arch_info): Complete rewrite.
(language_lookup_primitive_type): Make templated.
* m2-lang.c (enum m2_primitive_types): Delete.
(m2_language::language_arch_info): Update.
* opencl-lang.c (OCL_P_TYPE): Delete.
(enum opencl_primitive_types): Delete.
(opencl_type_data): Delete.
(builtin_opencl_type): Delete.
(lookup_opencl_vector_type): Update.
(opencl_language::language_arch_info): Update, lots of content
moved from...
(build_opencl_types): ...here. This function is now deleted.
(_initialize_opencl_language): Delete.
* p-lang.c (enum pascal_primitive_types): Delete.
(pascal_language::language_arch_info): Update.
* rust-lang.c (enum rust_primitive_types): Delete.
(rust_language::language_arch_info): Update.
gdb/testsuite/ChangeLog:
* gdb.fortran/types.exp: Add more tests.
GDB already has a global symbol `demangle` (a boolean), having a
language method called `demangle` is not a good idea as we often want
to reference `demangle` the control variable inside `demangle` the
member function.
This commit renames `demangle` the member function to
`demangle_symbol`.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language::demangle): Rename to...
(ada_language::demangle_symbol): ...this.
* c-lang.c (cplus_language::demangle): Rename to...
(cplus_language::demangle_symbol): ...this.
* d-lang.c (d_language::demangle): Rename to...
(d_language::demangle_symbol): ...this.
* f-lang.c (f_language::demangle): Rename to...
(f_language::demangle_symbol): ...this.
* go-lang.c (go_language::demangle): Rename to...
(go_language::demangle_symbol): ...this.
* language.c (language_demangle): Update call to demangle_symbol.
(auto_or_unknown_language::demangle): Rename to...
(auto_or_unknown_language::demangle_symbol): ...this.
* language.h (language_defn::demangle): Rename to...
(language_defn::demangle_symbol): ...this.
* objc-lang.c (objc_language::demangle): Rename to...
(objc_language::demangle_symbol): ...this.
* rust-lang.c (rust_language::demangle): Rename to...
(rust_language::demangle_symbol): ...this.
Remove the LA_VALUE_PRINT macro, and replace its uses with direct
calls to the value_print member function on an appropriate language.
In the global 'value_print' function, we call the value_print method
on the current_language, this is a direct inline replacement of the
old LA_VALUE_PRINT macro.
However, in ada-lang.c, and language.c the macro was being used
within the print_array_index member function of a language class. In
these cases we now call the value_print member function of the current
language class.
In theory, when we are inside (for example) the
ada_language::print_array_index function the current_language should
always be set to Ada, so this change should have no effect. However,
if we ever could get into ada_language::print_array_index with the
current language set to something else (which I think would have been
a bug) then we would now see a change in behaviour. I couldn't find
any cases where this happened though.
There should be no user visible changes after this commit, but it is
not impossible in some edge cases.
gdb/ChangeLog:
* ada-lang.c (ada_language::print_array_index): Call value_print
directly.
* language.c (language_defn::print_array_index): Likewise.
* language.h (LA_VALUE_PRINT): Delete.
* valprint.c (value_print): Call value_print on the
current_language directly.
The auto_language and unknown_language classes are basically the same
except for the language names and store_sym_names_in_linkage_form_p
which the unknown_language overrides to return true, while
auto_language returns the default false.
This commit creates a new parent class from which both of these
languages can inherit. The two base classes are now greatly reduced.
Some of the static helper functions which previously were called from
both of these languages are now only called from one place, and so
I've inlined them into the new class.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* language.c (default_is_string_type_p): Delete, implementation
moved into auto_or_unknown_language::is_string_type_p.
(unk_op_print_tab): Moved into
auto_or_unknown_language::opcode_print_table.
(unknown_language_arch_info): Delete, implementation moved into
auto_or_unknown_language::language_arch_info.
(class auto_or_unknown_language): New class, member functions
copied from unknown_language class, with some updates.
(class unknown_language): Most member functions moved into
auto_or_unknown_language class. Inherit from
auto_or_unknown_language class.
(class auto_language): Inherit from auto_or_unknown_language.
Delete most member functions.
The language_data type, from which language_defn inherits, is now
empty, and this commit removes it.
Each language is updated to no longer create and use a language_data
struct.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Delete.
(ada_language): Remove references to ada_language_data.
* c-lang.c (c_language_data): Delete.
(c_language): Remove references to c_language_data.
(cplus_language_data): Delete.
(cplus_language): Remove references to cplus_language_data.
(asm_language_data): Delete.
(asm_language): Remove references to asm_language_data.
(minimal_language_data): Delete.
(minimal_language): Remove references to minimal_language_data.
* d-lang.c (d_language_data): Delete.
(d_language): Remove references to d_language_data.
* f-lang.c (f_language_data): Delete.
(f_language): Remove references to f_language_data.
* go-lang.c (go_language_data): Delete.
(go_language): Remove references to go_language_data.
* language.c (unknown_language_data): Delete.
(unknown_language): Remove references to unknown_language_data.
(auto_language_data): Delete.
(auto_language): Remove references to auto_language_data.
* language.h (language_data): Delete struct.
(language_defn): No longer inherit from language_data.
* m2-lang.c (m2_language_data): Delete.
(m2_language): Remove references to m2_language_data.
* objc-lang.c (objc_language_data): Delete.
(objc_language): Remove references to objc_language_data.
* opencl-lang.c (opencl_language_data): Delete.
(opencl_language): Remove references to opencl_language_data.
* p-lang.c (pascal_language_data): Delete.
(pascal_language): Remove references to pascal_language_data.
* rust-lang.c (rust_language_data): Delete.
(rust_language): Remove references to rust_language_data.
Convert language_data::la_op_print_tab member variable to a virtual
method language_defn::opcode_print_table. I changed the name in order
to make it clearer (I hope) what the method does.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_op_print_tab
initializer.
(ada_language::opcode_print_table): New member function.
* c-lang.c (c_language_data): Remove la_op_print_tab initializer.
(c_language::opcode_print_table): New member function.
(cplus_language_data): Remove la_op_print_tab initializer.
(cplus_language::opcode_print_table): New member function.
(asm_language_data): Remove la_op_print_tab initializer.
(asm_language::opcode_print_table): New member function.
(minimal_language_data): Remove la_op_print_tab initializer.
(minimal_language::opcode_print_table): New member function.
* d-lang.c (d_language_data): Remove la_op_print_tab initializer.
(d_language::opcode_print_table): New member function.
* expprint.c (print_subexp_standard): Update call to
opcode_print_table.
(op_string): Likewise.
* f-lang.c (f_language_data): Remove la_op_print_tab initializer.
(f_language::opcode_print_table): New member function.
* go-lang.c (go_language_data): Remove la_op_print_tab
initializer.
(go_language::opcode_print_table): New member function.
* language.c (unknown_language_data): Remove la_op_print_tab
initializer.
(unknown_language::opcode_print_table): New member function.
(auto_language_data): Remove la_op_print_tab initializer.
(auto_language::opcode_print_table): New member function.
* language.h (language_data): Remove la_op_print_tab field.
(language_defn::opcode_print_table): Declare new member function.
* m2-lang.c (m2_language_data): Remove la_op_print_tab
initializer.
(m2_language::opcode_print_table): New member function.
* objc-lang.c (objc_language_data): Remove la_op_print_tab
initializer.
(objc_language::opcode_print_table): New member function.
* opencl-lang.c (opencl_language_data): Remove la_op_print_tab
initializer.
(opencl_language::opcode_print_table): New member function.
* p-lang.c (pascal_language_data): Remove la_op_print_tab
initializer.
(pascal_language::opcode_print_table): New member function.
* rust-lang.c (rust_language_data): Remove la_op_print_tab
initializer.
(rust_language::opcode_print_table): New member function.
Convert language_data::la_exp_desc member variable to a virtual
method language_defn::expression_ops. The change of names brings this
method more into line with the existing varobj_ops method, that also
returns a table of function pointers.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_exp_desc initializer.
(ada_language::expression_ops): New member function.
* c-lang.c (c_language_data): Remove la_exp_desc initializer.
(c_language::expression_ops): New member function.
(cplus_language_data): Remove la_exp_desc initializer.
(cplus_language::expression_ops): New member function.
(asm_language_data): Remove la_exp_desc initializer.
(asm_language::expression_ops): New member function.
(minimal_language_data): Remove la_exp_desc initializer.
(minimal_language::expression_ops): New member function.
* d-lang.c (d_language_data): Remove la_exp_desc initializer.
(d_language::expression_ops): New member function.
* eval.c (evaluate_subexp): Update call to expression_ops.
* expprint.c (print_subexp): Likewise.
(op_name): Likewise.
(dump_subexp_body): Likewise.
* f-lang.c (f_language_data): Remove la_exp_desc initializer.
(f_language::expression_ops): New member function.
* go-lang.c (go_language_data): Remove la_exp_desc initializer.
(go_language::expression_ops): New member function.
* language.c (language_defn::expression_ops): New function.
(unknown_language_data): Remove la_exp_desc initializer.
(auto_language_data): Likewise.
* language.h (language_data): Remove la_exp_desc field.
(language_defn::expression_ops): Declare new member function.
* m2-lang.c (m2_language_data): Remove la_exp_desc initializer.
(m2_language::expression_ops): New member function.
* objc-lang.c (objc_language_data): Remove la_exp_desc
initializer.
* opencl-lang.c (opencl_language_data): Remove la_exp_desc
initializer.
(opencl_language::expression_ops): New member function.
* p-lang.c (pascal_language_data): Remove la_exp_desc initializer.
* parse.c (operator_length): Update call to expression_ops.
(exp_iterate): Likewise.
* rust-lang.c (rust_language_data): Remove la_exp_desc
initializer.
(ruse_language::expression_ops): New member function.
Convert language_data::la_macro_expansion member variable to a virtual
method language_defn::macro_expansion.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_macro_expansion
initializer.
* c-lang.c (c_language_data): Likewise.
(c_language::macro_expansion): New member function.
(cplus_language_data): Likewise.
(cplus_language::macro_expansion): New member function.
(asm_language_data): Likewise.
(asm_language::macro_expansion): New member function.
(minimal_language_data): Likewise.
(minimal_language::macro_expansion): New member function.
* d-lang.c (d_language_data): Remove la_macro_expansion
initializer.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Remove la_macro_expansion field.
(language_defn::macro_expansion): New member function.
* m2-lang.c (m2_language_data): Remove la_macro_expansion
initializer.
* objc-lang.c (objc_language_data): Likewise.
(objc_language::macro_expansion): New member function.
* opencl-lang.c (opencl_language_data): Likewise.
(opencl_language::macro_expansion): New member function.
* p-lang.c (pascal_language_data): Remove la_macro_expansion
initializer.
* rust-lang.c (rust_language_data): Likewise.
* symtab.c (default_collect_symbol_completion_matches_break_on):
Update call to macro_expansion.
Convert language_data::la_case_sensitivity member variable to a virtual
method language_defn::case_sensitivity.
This is mostly straight forward. The only slight problem is that I
ended up deleting this comment from ada-lang.c:
/* Yes, Ada is case-insensitive, but that's not quite what this
means. */
However, as the comment (which has existed since Ada support was first
added to GDB) doesn't explain _why_ Ada sets case sensitivity to on
despite being a generally case insensitive language, this doesn't
really help me much.
If I understood _why_ the setting doesn't quite mean what it seems to
mean (at least as far as Ada is concerned) then I would extend the
comment on language_defn::case_sensitivity (in language.h) to include
the detail, and note how this impacts Ada. But as it stands I've just
deleted the comment for now.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_case_sensitivity
initializer.
* c-lang.c (c_language_data): Likewise.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_language_data): Likewise.
(f_language::case_sensitivity): New member function.
* go-lang.c (go_language_data): Remove la_case_sensitivity
initializer.
* language.c (enum case_mode): Moved here from language.h.
(case_mode): Make static.
(show_case_command): Update for case_sensitivity being a method.
(set_case_command): Likewise.
(set_range_case): Likewise.
(unknown_language_data): Remove la_case_sensitivity initializer.
(auto_language_data): Likewise.
* language.h (case_mode): Delete, move enum declaration to
language.c.
(language_data): Delete la_case_sensitivity field.
(language_defn::case_sensitivity): New member function.
* m2-lang.c (m2_language_data): Remove la_case_sensitivity
initializer.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
Convert language_data::la_range_check member variable to a virtual
method language_defn::range_checking_on_by_default.
Where the previous member variable was of type 'enum range_check', the
new member function returns a boolean that selects between range
checking being on or off. This removes the possibility of a language
having its default be the third enum state, range_check_warn, which
no language currently used.
This all makes sense I think, the language's true/false provides the
default when the global 'set check range' is set to 'auto'.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_range_check
initializer.
* c-lang.c (c_language_data): Likewise.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_language_data): Likewise.
(f_language::range_checking_on_by_default): New member function.
* go-lang.c (go_language_data): Remove la_range_check initializer.
* language.c (enum range_mode): Moved here from language.h.
(range_mode): Made static.
(show_range_command): Update to use
range_checking_on_by_default.
(set_range_command): Likewise.
(set_range_case): Likewise.
(unknown_language_data): Remove la_range_check initializer.
(auto_language_data): Likewise.
* language.h (range_mode): Delete. Enum definition moved to
language.c.
(language_data): Remove la_range_check field.
(language_defn::range_checking_on_by_default): New member
function.
* m2-lang.c (m2_language_data): Remove la_range_check initializer.
(m2_language::range_checking_on_by_default): New member function.
* objc-lang.c (objc_language_data): Remove la_range_check
initializer.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
(pascal_language::range_checking_on_by_default): New member
function.
* rust-lang.c (rust_language_data): Remove la_range_check
initializer.
(rust_language::range_checking_on_by_default): New member
function.
Convert language_data::string_lower_bound member variable to a virtual
method language_defn::string_lower_bound.
Over all of the languages we currently support there are currently
only two values for the lower bound, 0 or 1. I noticed that in all
cases, if a language has C style arrays then the lower bound is 0,
otherwise the lower bound is 1. So the default for the virtual method
in language.h makes use of this, which means languages don't have to
worry about providing a string_lower_bound method at all.
Except for Modula2. This language is defined to not have C style
arrays, but has a string_lower_bound index of 0, this behaviour is
maintained after this commit by having Modula2 be the only language
that overrides the string_lower_bound method.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove string_lower_bound
initializer.
* c-lang.c (c_language_data): Likewise.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Remove string_lower_bound field.
(language_defn::string_lower_bound): New member function.
* m2-lang.c (m2_language_data): Remove string_lower_bound
initializer.
(m2_language::string_lower_bound): New member function.
* objc-lang.c (objc_language_data): Remove string_lower_bound
initializer.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
* valops.c (value_cstring): Update call to string_lower_bound.
(value_string): Likewise.
* value.c (allocate_repeated_value): Likewise.
Move the language_data::la_language member variable into the
langage_defn class.
I have not made the la_language member variable a method of
langage_defn simply because of the large number of places that
la_language is referenced throughout GDB. I have made the new member
variable constant though, so this should prevent accidental
assignment.
In the future we might consider converting la_language to a method,
but right now my goal is to remove the langage_data class, so I'm
happy to leave la_language as a constant member variable.
There should be no user visible changes after this commit.
gdb/ChangeLog:
* ada-lang.c (ada_language_data): Remove la_language initializer.
* c-lang.c (c_language_data): Likewise.
(cplus_language_data): Likewise.
(asm_language_data): Likewise.
(minimal_language_data): Likewise.
* d-lang.c (d_language_data): Likewise.
* f-lang.c (f_language_data): Likewise.
* go-lang.c (go_language_data): Likewise.
* language.c (unknown_language_data): Likewise.
(auto_language_data): Likewise.
* language.h (language_data): Remove la_language field.
(language_defn::language_defn): Initialise la_language field.
(language_defn::la_language): New member variable.
* m2-lang.c (m2_language_data): Remove la_language field.
* objc-lang.c (objc_language_data): Likewise.
* opencl-lang.c (opencl_language_data): Likewise.
* p-lang.c (pascal_language_data): Likewise.
* rust-lang.c (rust_language_data): Likewise.
Convert language_data::la_filename_extensions member variable to a
virtual method language_defn::filename_extensions.
The new method returns a vector of filename extensions, which means
that where previously we needed a NULL marker on the end of the list,
we can now discard this.
All of the old arrays that contained the extensions now become static
data within each languages filename_extensions method.
I've updated the single use of the filename_extensions method to make
use of this method returning a vector. And, just in case anyone
accidentally adds a NULL marked into a languages extensions list, I've
added a new assert in add_filename_language (symtab.c) to catch this.
gdb/ChangeLog:
* ada-lang.c (ada_extensions): Delete, moved into
ada_language::filename_extensions.
(ada_language_data): Remove la_filename_extensions initializer.
(ada_language::filename_extensions): New member function.
* c-lang.c (c_extensions): Delete, moved into
c_language::filename_extensions.
(c_language_data): Remove la_filename_extensions initializer.
(c_language::filename_extensions): New member function.
(cplus_extensions): Delete, moved into
cplus_language::filename_extensions.
(cplus_language_data): Remove la_filename_extensions initializer.
(cplus_language::filename_extensions): New member function.
(asm_extensions): Delete, moved into
asm_language::filename_extensions.
(asm_language_data): Remove la_filename_extensions initializer.
(asm_language::filename_extensions): New member function.
(minimal_language_data): Remove la_filename_extensions
initializer.
* d-lang.c (d_extensions): Delete, moved into
d_language::filename_extensions.
(d_language_data): Remove la_filename_extensions initializer.
(d_language::filename_extensions): New member function.
* f-lang.c (f_extensions): Delete, moved into
f_language::filename_extensions.
(f_language_data): Remove la_filename_extensions initializer.
(f_language::filename_extensions): New member function.
* go-lang.c (go_language_data): Remove la_filename_extensions
initializer.
* language.c (add_set_language_command): Update now that
filename_extensions returns a vector.
(unknown_language_data): Remove la_filename_extensions
initializer.
(auto_language_data): Likewise.
* language.h (language_data): Remove la_filename_extensions field.
(language_defn::filename_extensions): New member function.
* m2-lang.c (m2_language_data): Remove la_filename_extensions
initializer.
* objc-lang.c (objc_extensions): Delete, moved into
objc_language::filename_extensions.
(objc_language_data): Remove la_filename_extensions initializer.
(objc_language::filename_extensions): New member function.
* opencl-lang.c (opencl_language_data): Remove
la_filename_extensions initializer.
* p-lang.c (pascal_extensions): Delete, moved into
pascal_language::filename_extensions.
(pascal_language_data): Remove la_filename_extensions initializer.
(pascal_language::filename_extensions): New member function.
* rust-lang.c (rust_extensions): Delete, moved into
rust_language::filename_extensions.
(rust_language_data): Remove la_filename_extensions initializer.
(rust_language::filename_extensions): New member function.
* symfile.c (add_filename_language): Add new assert.
