5bfc7db451
Block objects [1] are a C-level syntactic and runtime feature. They are similar to standard C functions, but in addition to executable code they may also contain variable bindings to automatic (stack) or managed (heap) memory. A block can therefore maintain a set of state (data) that it can use to impact behavior when executed. This port is based on Apple's GCC 5646 with some bugfixes from Apple GCC 5666.3. It has some small differences with the support in clang, which remains the recommended compiler. Perhaps the most notable difference is that in GCC that __block is not actually a keyword, but a macro. There will be workaround for this issue in a near future. Other issues can be consulted in the clang documentation [2] For better compatiblity with Apple's GCC and llvm-gcc some related fixes and features from Apple have been included. Support for the non-standard nested functions in GCC is now off by default. No effort was made to update the ObjC support since FreeBSD doesn't carry ObjC in the base system, but some of the code crept in and was more difficult to remove than to adjust. Reference: [1] https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/Blocks/Articles/00_Introduction.html [2] http://clang.llvm.org/compatibility.html#block-variable-initialization Obtained from: Apple GCC 4.2 MFC after: 3 weeks
176 lines
7.3 KiB
C
176 lines
7.3 KiB
C
/* Language hooks common to C++ and ObjC++ front ends.
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Copyright (C) 2004, 2005 Free Software Foundation, Inc.
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Contributed by Ziemowit Laski <zlaski@apple.com>
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This file is part of GCC.
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GCC is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License as published by the Free
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Software Foundation; either version 2, or (at your option) any later
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version.
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GCC is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with GCC; see the file COPYING. If not, write to the Free
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Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301, USA. */
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#ifndef GCC_CP_OBJCP_COMMON
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#define GCC_CP_OBJCP_COMMON
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/* In cp/cp-lang.c and objcp/objcp-lang.c. */
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extern tree objcp_tsubst_copy_and_build (tree, tree, tsubst_flags_t,
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tree, bool);
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/* Lang hooks that are shared between C++ and ObjC++ are defined here. Hooks
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specific to C++ or ObjC++ go in cp/cp-lang.c and objcp/objcp-lang.c,
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respectively. */
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#undef LANG_HOOKS_TREE_SIZE
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#define LANG_HOOKS_TREE_SIZE cp_tree_size
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#undef LANG_HOOKS_FINISH
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#define LANG_HOOKS_FINISH cxx_finish
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#undef LANG_HOOKS_CLEAR_BINDING_STACK
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#define LANG_HOOKS_CLEAR_BINDING_STACK pop_everything
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#undef LANG_HOOKS_INIT_OPTIONS
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#define LANG_HOOKS_INIT_OPTIONS c_common_init_options
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#undef LANG_HOOKS_INITIALIZE_DIAGNOSTICS
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#define LANG_HOOKS_INITIALIZE_DIAGNOSTICS cxx_initialize_diagnostics
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#undef LANG_HOOKS_HANDLE_OPTION
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#define LANG_HOOKS_HANDLE_OPTION c_common_handle_option
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#undef LANG_HOOKS_HANDLE_FILENAME
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#define LANG_HOOKS_HANDLE_FILENAME c_common_handle_filename
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#undef LANG_HOOKS_MISSING_ARGUMENT
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#define LANG_HOOKS_MISSING_ARGUMENT c_common_missing_argument
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#undef LANG_HOOKS_POST_OPTIONS
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#define LANG_HOOKS_POST_OPTIONS c_common_post_options
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#undef LANG_HOOKS_GET_ALIAS_SET
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#define LANG_HOOKS_GET_ALIAS_SET cxx_get_alias_set
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#undef LANG_HOOKS_EXPAND_CONSTANT
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#define LANG_HOOKS_EXPAND_CONSTANT cplus_expand_constant
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#undef LANG_HOOKS_EXPAND_EXPR
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#define LANG_HOOKS_EXPAND_EXPR cxx_expand_expr
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#undef LANG_HOOKS_EXPAND_DECL
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#define LANG_HOOKS_EXPAND_DECL c_expand_decl
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#undef LANG_HOOKS_PARSE_FILE
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#define LANG_HOOKS_PARSE_FILE c_common_parse_file
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#undef LANG_HOOKS_STATICP
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#define LANG_HOOKS_STATICP cxx_staticp
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#undef LANG_HOOKS_DUP_LANG_SPECIFIC_DECL
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#define LANG_HOOKS_DUP_LANG_SPECIFIC_DECL cxx_dup_lang_specific_decl
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#undef LANG_HOOKS_SET_DECL_ASSEMBLER_NAME
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#define LANG_HOOKS_SET_DECL_ASSEMBLER_NAME mangle_decl
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#undef LANG_HOOKS_MARK_ADDRESSABLE
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#define LANG_HOOKS_MARK_ADDRESSABLE cxx_mark_addressable
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#undef LANG_HOOKS_PRINT_STATISTICS
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#define LANG_HOOKS_PRINT_STATISTICS cxx_print_statistics
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#undef LANG_HOOKS_PRINT_XNODE
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#define LANG_HOOKS_PRINT_XNODE cxx_print_xnode
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#undef LANG_HOOKS_PRINT_DECL
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#define LANG_HOOKS_PRINT_DECL cxx_print_decl
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#undef LANG_HOOKS_PRINT_TYPE
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#define LANG_HOOKS_PRINT_TYPE cxx_print_type
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#undef LANG_HOOKS_PRINT_IDENTIFIER
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#define LANG_HOOKS_PRINT_IDENTIFIER cxx_print_identifier
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#undef LANG_HOOKS_TYPES_COMPATIBLE_P
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#define LANG_HOOKS_TYPES_COMPATIBLE_P cxx_types_compatible_p
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#undef LANG_HOOKS_PRINT_ERROR_FUNCTION
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#define LANG_HOOKS_PRINT_ERROR_FUNCTION cxx_print_error_function
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#undef LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL
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#define LANG_HOOKS_WARN_UNUSED_GLOBAL_DECL cxx_warn_unused_global_decl
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#undef LANG_HOOKS_WRITE_GLOBALS
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#define LANG_HOOKS_WRITE_GLOBALS lhd_do_nothing
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#undef LANG_HOOKS_COMDAT_GROUP
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#define LANG_HOOKS_COMDAT_GROUP cxx_comdat_group
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#undef LANG_HOOKS_FUNCTION_INIT
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#define LANG_HOOKS_FUNCTION_INIT cxx_push_function_context
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#undef LANG_HOOKS_FUNCTION_FINAL
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#define LANG_HOOKS_FUNCTION_FINAL cxx_pop_function_context
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#undef LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P
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#define LANG_HOOKS_FUNCTION_MISSING_NORETURN_OK_P cp_missing_noreturn_ok_p
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/* Attribute hooks. */
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#undef LANG_HOOKS_COMMON_ATTRIBUTE_TABLE
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#define LANG_HOOKS_COMMON_ATTRIBUTE_TABLE c_common_attribute_table
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#undef LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE
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#define LANG_HOOKS_FORMAT_ATTRIBUTE_TABLE c_common_format_attribute_table
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#undef LANG_HOOKS_ATTRIBUTE_TABLE
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#define LANG_HOOKS_ATTRIBUTE_TABLE cxx_attribute_table
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#undef LANG_HOOKS_TREE_INLINING_WALK_SUBTREES
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#define LANG_HOOKS_TREE_INLINING_WALK_SUBTREES \
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cp_walk_subtrees
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#undef LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN
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#define LANG_HOOKS_TREE_INLINING_CANNOT_INLINE_TREE_FN \
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cp_cannot_inline_tree_fn
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#undef LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS
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#define LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS \
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cp_add_pending_fn_decls
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#undef LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P
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#define LANG_HOOKS_TREE_INLINING_AUTO_VAR_IN_FN_P \
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cp_auto_var_in_fn_p
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#undef LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P
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#define LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P anon_aggr_type_p
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#undef LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P
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#define LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P cp_var_mod_type_p
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#undef LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN
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#define LANG_HOOKS_TREE_DUMP_DUMP_TREE_FN cp_dump_tree
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#undef LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN
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#define LANG_HOOKS_TREE_DUMP_TYPE_QUALS_FN cp_type_quals
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#undef LANG_HOOKS_EXPR_SIZE
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#define LANG_HOOKS_EXPR_SIZE cp_expr_size
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#undef LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR
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#define LANG_HOOKS_CALLGRAPH_ANALYZE_EXPR cxx_callgraph_analyze_expr
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#undef LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION
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#define LANG_HOOKS_CALLGRAPH_EXPAND_FUNCTION expand_body
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#undef LANG_HOOKS_MAKE_TYPE
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#define LANG_HOOKS_MAKE_TYPE cxx_make_type
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#undef LANG_HOOKS_TYPE_FOR_MODE
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#define LANG_HOOKS_TYPE_FOR_MODE c_common_type_for_mode
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#undef LANG_HOOKS_TYPE_FOR_SIZE
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#define LANG_HOOKS_TYPE_FOR_SIZE c_common_type_for_size
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#undef LANG_HOOKS_SIGNED_TYPE
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#define LANG_HOOKS_SIGNED_TYPE c_common_signed_type
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#undef LANG_HOOKS_UNSIGNED_TYPE
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#define LANG_HOOKS_UNSIGNED_TYPE c_common_unsigned_type
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#undef LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE
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#define LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE c_common_signed_or_unsigned_type
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#undef LANG_HOOKS_INCOMPLETE_TYPE_ERROR
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#define LANG_HOOKS_INCOMPLETE_TYPE_ERROR cxx_incomplete_type_error
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#undef LANG_HOOKS_TYPE_PROMOTES_TO
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#define LANG_HOOKS_TYPE_PROMOTES_TO cxx_type_promotes_to
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#undef LANG_HOOKS_REGISTER_BUILTIN_TYPE
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#define LANG_HOOKS_REGISTER_BUILTIN_TYPE c_register_builtin_type
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#undef LANG_HOOKS_TO_TARGET_CHARSET
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#define LANG_HOOKS_TO_TARGET_CHARSET c_common_to_target_charset
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#undef LANG_HOOKS_GIMPLIFY_EXPR
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#define LANG_HOOKS_GIMPLIFY_EXPR cp_gimplify_expr
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#undef LANG_HOOKS_OMP_PREDETERMINED_SHARING
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#define LANG_HOOKS_OMP_PREDETERMINED_SHARING cxx_omp_predetermined_sharing
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#undef LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR
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#define LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR cxx_omp_clause_default_ctor
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#undef LANG_HOOKS_OMP_CLAUSE_COPY_CTOR
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#define LANG_HOOKS_OMP_CLAUSE_COPY_CTOR cxx_omp_clause_copy_ctor
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#undef LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP
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#define LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP cxx_omp_clause_assign_op
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#undef LANG_HOOKS_OMP_CLAUSE_DTOR
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#define LANG_HOOKS_OMP_CLAUSE_DTOR cxx_omp_clause_dtor
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#undef LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE
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#define LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE cxx_omp_privatize_by_reference
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/* APPLE LOCAL begin radar 6353006 */
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#undef LANG_HOOKS_BUILD_GENERIC_BLOCK_STRUCT_TYPE
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#define LANG_HOOKS_BUILD_GENERIC_BLOCK_STRUCT_TYPE \
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c_build_generic_block_struct_type
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/* APPLE LOCAL end radar 6353006 */
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#endif /* GCC_CP_OBJCP_COMMON */
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