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gdb: Remove language_data struct

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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
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25
gdb/language.h
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@ -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);