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gdb: Convert language la_sniff_from_mangled_name field to a method

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This commit changes the language_data::la_sniff_from_mangled_name
function pointer member variable into a member function of
language_defn.

Previously the la_sniff_from_mangled_name pointer was NULL for some
languages, however, all uses of this function pointer were through the
function language_sniff_from_mangled_name which provided a default
implementation.

This default implementation now becomes the implementation in the base
class language_defn, which is then overridden as required in various
language sub-classes.

There should be no user visible changes after this commit.

gdb/ChangeLog:

	* ada-lang.c (ada_sniff_from_mangled_name): Delete function,
	implementation moves to...
	(ada_language::sniff_from_mangled_name): ...here.  Update return
	type.
	(ada_language_data): Delete la_sniff_from_mangled_name
	initializer.
	* c-lang.c (c_language_data): Likewise.
	(cplus_language_data): Likewise.
	(cplus_language::sniff_from_mangled_name): New member function,
	implementation taken from gdb_sniff_from_mangled_name.
	(asm_language_data): Delete la_sniff_from_mangled_name
	initializer.
	(minimal_language_data): Likewise.
	* cp-support.c (gdb_sniff_from_mangled_name): Delete,
	implementation moves to cplus_language::sniff_from_mangled_name.
	* cp-support.h (gdb_sniff_from_mangled_name): Delete declaration.
	* d-lang.c (d_sniff_from_mangled_name): Delete, implementation
	moves to...
	(d_language::sniff_from_mangled_name): ...here.
	(d_language_data): Delete la_sniff_from_mangled_name initializer.
	* f-lang.c (f_language_data): Likewise.
	* go-lang.c (go_sniff_from_mangled_name): Delete, implementation
	moves to...
	(go_language::sniff_from_mangled_name): ...here.
	(go_language_data): Delete la_sniff_from_mangled_name initializer.
	* language.c (language_sniff_from_mangled_name): Delete.
	(unknown_language_data): Delete la_sniff_from_mangled_name
	initializer.
	(auto_language_data): Likewise.
	* language.h (language_data): Delete la_sniff_from_mangled_name
	field.
	(language_defn::sniff_from_mangled_name): New function.
	(language_sniff_from_mangled_name): Delete declaration.
	* m2-lang.c (m2_language_data): Delete la_sniff_from_mangled_name
	field.
	* objc-lang.c (objc_sniff_from_mangled_name): Delete,
	implementation moves to...
	(objc_language::sniff_from_mangled_name): ...here.
	(objc_language_data): Delete la_sniff_from_mangled_name initializer.
	* opencl-lang.c (opencl_language_data): Likewise.
	* p-lang.c (pascal_language_data): Likewise.
	* rust-lang.c (rust_sniff_from_mangled_name): Delete,
	implementation moves to...
	(rust_language::sniff_from_mangled_name): ...here.
	(rust_language_data): Delete la_sniff_from_mangled_name
	initializer.
	* symtab.c (symbol_find_demangled_name): Call
	sniff_from_mangled_name member function.
This commit is contained in:
Andrew Burgess 2020-05-13 18:04:30 +01:00
parent fb8006fd35
commit 6f8270197a
16 changed files with 152 additions and 147 deletions
Download patch file Download diff file Expand all files Collapse all files

20
gdb/rust-lang.c
View file

@ -2016,17 +2016,6 @@ rust_lookup_symbol_nonlocal (const struct language_defn *langdef,
/* la_sniff_from_mangled_name for Rust. */
static int
rust_sniff_from_mangled_name (const char *mangled, char **demangled)
{
*demangled = gdb_demangle (mangled, DMGL_PARAMS | DMGL_ANSI);
return *demangled != NULL;
}
/* la_watch_location_expression for Rust. */
static gdb::unique_xmalloc_ptr<char>
@ -2083,7 +2072,6 @@ extern const struct language_data rust_language_data =
false, /* la_store_sym_names_in_linkage_form_p */
rust_lookup_symbol_nonlocal, /* lookup_symbol_nonlocal */
gdb_demangle, /* Language specific symbol demangler */
rust_sniff_from_mangled_name,
NULL, /* Language specific
class_name_from_physname */
c_op_print_tab, /* expression operators for printing */
@ -2148,6 +2136,14 @@ public:
lai->bool_type_default = types[rust_primitive_bool];
lai->string_char_type = types[rust_primitive_u8];
}
/* See language.h. */
bool sniff_from_mangled_name (const char *mangled,
char **demangled) const override
{
*demangled = gdb_demangle (mangled, DMGL_PARAMS | DMGL_ANSI);
return *demangled != NULL;
}
};
/* Single instance of the Rust language class. */