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More block constification

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I noticed that there are still many places referring to non-const
blocks.  This constifies all the remaining ones that I found that
could be constified.

In a few spots, this search found unused variables or fields.  I
removed these.  I've also removed some unnecessary casts to
"struct block *".

gdb/ChangeLog
2019-03-24  Tom Tromey  <tom@tromey.com>

	* c-exp.y (typebase): Remove casts.
	* gdbtypes.c (lookup_unsigned_typename, )
	(lookup_signed_typename): Remove cast.
	* eval.c (parse_to_comma_and_eval): Remove cast.
	* parse.c (write_dollar_variable): Remove cast.
	* block.h (struct block) <superblock>: Now const.
	* symfile-debug.c (debug_qf_map_matching_symbols): Update.
	* psymtab.c (psym_map_matching_symbols): Make "block" const.
	(map_block): Make "block" const.
	* symfile.h (struct quick_symbol_functions)
	<map_matching_symbols>: Constify block argument to "callback".
	* symtab.c (basic_lookup_transparent_type_quick): Make "block"
	const.
	(find_pc_sect_compunit_symtab): Make "b" const.
	(find_symbol_at_address): Likewise.
	(search_symbols): Likewise.
	* dwarf2read.c (dw2_lookup_symbol): Make "block" const.
	(dw2_debug_names_lookup_symbol): Likewise.
	(dw2_map_matching_symbols): Update.
	* p-valprint.c (pascal_val_print): Remove "block".
	* ada-lang.c (ada_add_global_exceptions): Make "b" const.
	(aux_add_nonlocal_symbols): Make "block" const.
	(resolve_subexp): Remove cast.
	* linespec.c (iterate_over_all_matching_symtabs): Make "block"
	const.
	(iterate_over_file_blocks): Likewise.
	* f-exp.y (%union) <bval>: Remove.
	* coffread.c (patch_opaque_types): Make "b" const.
	* spu-tdep.c (spu_catch_start): Make "block" const.
	* c-valprint.c (print_unpacked_pointer): Remove "block".
	* symmisc.c (dump_symtab_1): Make "b" const.
	(block_depth): Make "block" const.
	* d-exp.y (%union) <bval>: Remove.
	* cp-support.h (cp_lookup_rtti_type): Update.
	* cp-support.c (cp_lookup_rtti_type): Make "block" const.
	* psymtab.c (psym_lookup_symbol): Make "block" const.
	(maintenance_check_psymtabs): Make "b" const.
	* python/py-framefilter.c (extract_sym): Make "sym_block" const.
	(enumerate_locals, enumerate_args): Update.
	* python/py-symtab.c (stpy_global_block): Make "block" const.
	(stpy_static_block): Likewise.
	* inline-frame.c (block_starting_point_at): Make "new_block"
	const.
	* block.c (find_block_in_blockvector): Make return type const.
	(blockvector_for_pc_sect): Make "b" const.
	(find_block_in_blockvector): Make "b" const.
This commit is contained in:
Tom Tromey 2019-03-22 15:54:10 -06:00
parent 258876ee34
commit 582942f456
26 changed files with 99 additions and 53 deletions
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7
gdb/ada-lang.c
View file

@ -3562,7 +3562,7 @@ resolve_subexp (expression_up *expp, int *pos, int deprocedure_p,
n_candidates =
ada_lookup_symbol_list (ada_decoded_op_name (op),
(struct block *) NULL, VAR_DOMAIN,
NULL, VAR_DOMAIN,
&candidates);
i = ada_resolve_function (candidates.data (), n_candidates, argvec,
@ -5416,7 +5416,8 @@ struct match_data
other has been found. */
static int
aux_add_nonlocal_symbols (struct block *block, struct symbol *sym, void *data0)
aux_add_nonlocal_symbols (const struct block *block, struct symbol *sym,
void *data0)
{
struct match_data *data = (struct match_data *) data0;
@ -13560,7 +13561,7 @@ ada_add_global_exceptions (compiled_regex *preg,
for (i = GLOBAL_BLOCK; i <= STATIC_BLOCK; i++)
{
struct block *b = BLOCKVECTOR_BLOCK (bv, i);
const struct block *b = BLOCKVECTOR_BLOCK (bv, i);
struct block_iterator iter;
struct symbol *sym;