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d: Define language hook for LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE 

The underlying base type for enumerals are always present in TREE_TYPE.

gcc/d/ChangeLog:

	* d-lang.cc (d_enum_underlying_base_type): New function.
	(LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE): Set as
	d_enum_underlying_base_type.
This commit is contained in:
Iain Buclaw 2021-03-27 02:31:45 +01:00
parent d3ae0f515d
commit 0907036f45
1 changed files with 12 additions and 0 deletions
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12
gcc/d/d-lang.cc
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@ -1719,6 +1719,16 @@ d_build_eh_runtime_type (tree type)
return convert (ptr_type_node, build_address (decl));
}
/* Implements the lang_hooks.enum_underlying_base_type routine for language D.
Returns the underlying type of the given enumeration TYPE. */
static tree
d_enum_underlying_base_type (const_tree type)
{
gcc_assert (TREE_CODE (type) == ENUMERAL_TYPE);
return TREE_TYPE (type);
}
/* Definitions for our language-specific hooks. */
#undef LANG_HOOKS_NAME
@ -1744,6 +1754,7 @@ d_build_eh_runtime_type (tree type)
#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
#undef LANG_HOOKS_EH_PERSONALITY
#undef LANG_HOOKS_EH_RUNTIME_TYPE
#undef LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE
#undef LANG_HOOKS_PUSHDECL
#undef LANG_HOOKS_GETDECLS
#undef LANG_HOOKS_GLOBAL_BINDINGS_P
@ -1774,6 +1785,7 @@ d_build_eh_runtime_type (tree type)
#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL d_dup_lang_specific_decl
#define LANG_HOOKS_EH_PERSONALITY d_eh_personality
#define LANG_HOOKS_EH_RUNTIME_TYPE d_build_eh_runtime_type
#define LANG_HOOKS_ENUM_UNDERLYING_BASE_TYPE d_enum_underlying_base_type
#define LANG_HOOKS_PUSHDECL d_pushdecl
#define LANG_HOOKS_GETDECLS d_getdecls
#define LANG_HOOKS_GLOBAL_BINDINGS_P d_global_bindings_p