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Remove la_get_string member

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The la_get_string member of struct language_defn was intended to
provide a way to fetch string data from a "string" object in a
language-dependent way.  However, it turned out that this was never
needed, and was only ever implemented for C.  This patch removes the
language hook entirely.

gdb/ChangeLog
2019-11-05  Tom Tromey  <tom@tromey.com>

	* rust-lang.c (rust_language_defn): Update.
	* python/py-value.c (valpy_string): Call c_get_string.
	* p-lang.c (pascal_language_defn): Update.
	* opencl-lang.c (opencl_language_defn): Update.
	* objc-lang.c (objc_language_defn): Update.
	* m2-lang.c (m2_language_defn): Update.
	* language.c (unknown_language_defn, auto_language_defn): Update.
	(default_get_string): Remove.
	* guile/scm-value.c (gdbscm_value_to_string): Use c_get_string.
	* go-lang.c (go_language_defn): Update.
	* f-lang.c (f_language_defn): Update.
	* d-lang.c (d_language_defn): Update.
	* c-lang.c (c_language_defn, cplus_language_defn)
	(asm_language_defn, minimal_language_defn): Update.
	* ada-lang.c (ada_language_defn): Update.
	* language.h (struct language_defn) <la_get_string>: Remove.
	(LA_GET_STRING): Remove.
	(default_get_string): Don't declare.

Change-Id: Ia97763dfe34dc8ecb46587f7a651f8af9be8fdbd
This commit is contained in:
Tom Tromey
2019-10-03 16:59:17 -06:00
parent 1df2f9ef6c
commit 91ae903f89
15 changed files with 23 additions and 47 deletions
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10
gdb/language.c
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@ -690,14 +690,6 @@ default_print_array_index (struct value *index_value, struct ui_file *stream,
fprintf_filtered (stream, "] = ");
}
void
default_get_string (struct value *value,
gdb::unique_xmalloc_ptr<gdb_byte> *buffer,
int *length, struct type **char_type, const char **charset)
{
error (_("Getting a string is unsupported in this language."));
}
/* See language.h. */
bool
@ -885,7 +877,6 @@ const struct language_defn unknown_language_defn =
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
default_pass_by_reference,
default_get_string,
c_watch_location_expression,
NULL, /* la_get_symbol_name_matcher */
iterate_over_symbols,
@ -937,7 +928,6 @@ const struct language_defn auto_language_defn =
unknown_language_arch_info, /* la_language_arch_info. */
default_print_array_index,
default_pass_by_reference,
default_get_string,
c_watch_location_expression,
NULL, /* la_get_symbol_name_matcher */
iterate_over_symbols,