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gdb: Remove language_data struct

Browse source 
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.
This commit is contained in:
Andrew Burgess 2020-08-04 17:13:40 +01:00
parent b7c6e27dbb
commit 0e25e76727
13 changed files with 56 additions and 129 deletions
Download patch file Download diff file Expand all files Collapse all files

35
gdb/ChangeLog
View file

@ -1,3 +1,38 @@
2020-09-16 Andrew Burgess <andrew.burgess@embecosm.com>
* 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.
2020-09-16 Andrew Burgess <andrew.burgess@embecosm.com>
* ada-lang.c (ada_language_data): Remove la_op_print_tab

8
gdb/ada-lang.c
View file

@ -13704,19 +13704,13 @@ ada_get_symbol_name_matcher (const lookup_name_info &lookup_name)
}
}
/* Constant data that describes the Ada language. */
extern const struct language_data ada_language_data =
{
};
/* Class representing the Ada language. */
class ada_language : public language_defn
{
public:
ada_language ()
: language_defn (language_ada, ada_language_data)
: language_defn (language_ada)
{ /* Nothing. */ }
/* See language.h. */

38
gdb/c-lang.c
View file

@ -871,19 +871,13 @@ const struct exp_descriptor exp_descriptor_c =
evaluate_subexp_c
};
/* Constant data that describes the C language. */
extern const struct language_data c_language_data =
{
};
/* Class representing the C language. */
class c_language : public language_defn
{
public:
c_language ()
: language_defn (language_c, c_language_data)
: language_defn (language_c)
{ /* Nothing. */ }
/* See language.h. */
@ -989,19 +983,13 @@ enum cplus_primitive_types {
nr_cplus_primitive_types
};
/* Constant data that describes the C++ language. */
extern const struct language_data cplus_language_data =
{
};
/* A class for the C++ language. */
class cplus_language : public language_defn
{
public:
cplus_language ()
: language_defn (language_cplus, cplus_language_data)
: language_defn (language_cplus)
{ /* Nothing. */ }
/* See language.h. */
@ -1210,19 +1198,13 @@ protected:
static cplus_language cplus_language_defn;
/* Constant data that describes the ASM language. */
extern const struct language_data asm_language_data =
{
};
/* A class for the ASM language. */
class asm_language : public language_defn
{
public:
asm_language ()
: language_defn (language_asm, asm_language_data)
: language_defn (language_asm)
{ /* Nothing. */ }
/* See language.h. */
@ -1286,22 +1268,16 @@ public:
/* The single instance of the ASM language class. */
static asm_language asm_language_defn;
/* The following language_defn does not represent a real language.
It just provides a minimal support a-la-C that should allow users
to do some simple operations when debugging applications that use
/* A class for the minimal language. This does not represent a real
language. It just provides a minimal support a-la-C that should allow
users to do some simple operations when debugging applications that use
a language currently not supported by GDB. */
extern const struct language_data minimal_language_data =
{
};
/* A class for the minimal language. */
class minimal_language : public language_defn
{
public:
minimal_language ()
: language_defn (language_minimal, minimal_language_data)
: language_defn (language_minimal)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/d-lang.c
View file

@ -124,19 +124,13 @@ enum d_primitive_types {
nr_d_primitive_types
};
/* Constant data that describes the D language. */
extern const struct language_data d_language_data =
{
};
/* Class representing the D language. */
class d_language : public language_defn
{
public:
d_language ()
: language_defn (language_d, d_language_data)
: language_defn (language_d)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/f-lang.c
View file

@ -482,19 +482,13 @@ static const struct exp_descriptor exp_descriptor_f =
evaluate_subexp_f
};
/* Constant data that describes the Fortran language. */
extern const struct language_data f_language_data =
{
};
/* Class representing the Fortran language. */
class f_language : public language_defn
{
public:
f_language ()
: language_defn (language_fortran, f_language_data)
: language_defn (language_fortran)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/go-lang.c
View file

@ -504,19 +504,13 @@ enum go_primitive_types {
nr_go_primitive_types
};
/* Constant data that describes the Go language. */
extern const struct language_data go_language_data =
{
};
/* Class representing the Go language. */
class go_language : public language_defn
{
public:
go_language ()
: language_defn (language_go, go_language_data)
: language_defn (language_go)
{ /* Nothing. */ }
/* See language.h. */

16
gdb/language.c
View file

@ -812,19 +812,13 @@ unknown_language_arch_info (struct gdbarch *gdbarch,
struct type *);
}
/* Constant data that describes the unknown language. */
extern const struct language_data unknown_language_data =
{
};
/* Class representing the unknown language. */
class unknown_language : public language_defn
{
public:
unknown_language ()
: language_defn (language_unknown, unknown_language_data)
: language_defn (language_unknown)
{ /* Nothing. */ }
/* See language.h. */
@ -947,19 +941,13 @@ public:
static unknown_language unknown_language_defn;
/* Constant data for the fake "auto" language. */
extern const struct language_data auto_language_data =
{
};
/* Class representing the fake "auto" language. */
class auto_language : public language_defn
{
public:
auto_language ()
: language_defn (language_auto, auto_language_data)
: language_defn (language_auto)
{ /* Nothing. */ }
/* See language.h. */

25
gdb/language.h
View file

@ -152,31 +152,12 @@ struct language_pass_by_ref_info
/* Splitting strings into words. */
extern const char *default_word_break_characters (void);
/* Structure tying together assorted information about a language.
As we move over from the old structure based languages to a class
hierarchy of languages this structure will continue to contain a
mixture of both data and function pointers.
Once the class hierarchy of languages in place the first task is to
remove the function pointers from this structure and convert them into
member functions on the different language classes.
The current plan it to keep the constant data that describes a language
in this structure, and have each language pass in an instance of this
structure at construction time. */
struct language_data
{
};
/* Base class from which all other language classes derive. */
struct language_defn : language_data
struct language_defn
{
language_defn (enum language lang, const language_data &init_data)
: language_data (init_data),
la_language (lang)
language_defn (enum language lang)
: la_language (lang)
{
/* We should only ever create one instance of each language. */
gdb_assert (languages[lang] == nullptr);

8
gdb/m2-lang.c
View file

@ -195,19 +195,13 @@ const struct exp_descriptor exp_descriptor_modula2 =
evaluate_subexp_modula2
};
/* Constant data describing the M2 language. */
extern const struct language_data m2_language_data =
{
};
/* Class representing the M2 language. */
class m2_language : public language_defn
{
public:
m2_language ()
: language_defn (language_m2, m2_language_data)
: language_defn (language_m2)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/objc-lang.c
View file

@ -319,19 +319,13 @@ static const struct op_print objc_op_print_tab[] =
{NULL, OP_NULL, PREC_NULL, 0}
};
/* Constant data representing the Objective-C language. */
extern const struct language_data objc_language_data =
{
};
/* Class representing the Objective-C language. */
class objc_language : public language_defn
{
public:
objc_language ()
: language_defn (language_objc, objc_language_data)
: language_defn (language_objc)
{ /* Nothing. */ }
/* See language.h. */

7
gdb/opencl-lang.c
View file

@ -1003,18 +1003,13 @@ const struct exp_descriptor exp_descriptor_opencl =
evaluate_subexp_opencl
};
/* Constant data representing the OpenCL language. */
extern const struct language_data opencl_language_data =
{
};
/* Class representing the OpenCL language. */
class opencl_language : public language_defn
{
public:
opencl_language ()
: language_defn (language_opencl, opencl_language_data)
: language_defn (language_opencl)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/p-lang.c
View file

@ -248,19 +248,13 @@ enum pascal_primitive_types {
nr_pascal_primitive_types
};
/* Constant data representing the Pascal language. */
extern const struct language_data pascal_language_data =
{
};
/* Class representing the Pascal language. */
class pascal_language : public language_defn
{
public:
pascal_language ()
: language_defn (language_pascal, pascal_language_data)
: language_defn (language_pascal)
{ /* Nothing. */ }
/* See language.h. */

8
gdb/rust-lang.c
View file

@ -1897,19 +1897,13 @@ static const struct exp_descriptor exp_descriptor_rust =
rust_evaluate_subexp
};
/* Constant data representing the Rust language. */
extern const struct language_data rust_language_data =
{
};
/* Class representing the Rust language. */
class rust_language : public language_defn
{
public:
rust_language ()
: language_defn (language_rust, rust_language_data)
: language_defn (language_rust)
{ /* Nothing. */ }
/* See language.h. */