6174da1b28
don't use build_function_type in the ObjC/C++ frontends * objc-runtime-shared-support.h (get_arg_type_list): Delete. (build_function_type_for_method): Declare. * objc-runtime-hooks.h (struct _objc_runtime_hooks_r): Change type of get_arg_type_base_list field. * objc-act.h (OBJC_VOID_AT_END): Delete. * objc-act.c (get_arg_type_list): Delete. (build_function_type_for_method): New function. (objc_decl_method_attributes): Call build_function_type_for_method. (really_start_method): Likewise. * objc-gnu-runtime-abi-01.c (gnu_runtime_abi_01_get_type_arg_list_base): Change prototype and adjust function accordingly. Update header comment. (build_objc_method_call): Call build_function_type_for_method. * objc-next-runtime-abi-01.c (next_runtime_abi_01_get_type_arg_list_base): Change prototype and adjust function accordingly. Update header comment. (build_objc_method_call): Call build_function_type_for_method. * objc-next-runtime-abi-02.c (next_runtime_abi_02_get_type_arg_list_base): Change prototype and adjust function accordingly. Update header comment. (objc_copy_to_temp_side_effect_params): Take fntype instead of a typelist. Use function_args_iterator for traversing fntype. (build_v2_build_objc_method_call): Adjust call to it. Call build_function_type_for_method From-SVN: r173465
112 lines
4.5 KiB
C
112 lines
4.5 KiB
C
/* Hooks to abstract the runtime meta-data generation for Objective C.
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Copyright (C) 2011 Free Software Foundation, Inc.
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Contributed by Iain Sandoe
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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
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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GCC is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License 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 COPYING3. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef _OBJC_RUNTIME_HOOKS_H_
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#define _OBJC_RUNTIME_HOOKS_H_
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/* A set of hooks for the front end to obtain runtime-specific actions. */
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/* Objective-C supports several runtime library variants:
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"GNU" runtime selected by -fgnu-runtime (currently at ABI version 8).
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"NeXT" runtime (selected by -fnext-runtime) and installed on OSX/Darwin
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systems at API version 1 (for m32 code) and version 2 (for m64 code).
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The runtimes require different data types/layouts, method call mechanisms
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and so on, and the purpose of this interface is to abstract such
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differences from the parser's perspective. */
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/* TODO: Do we want the initial underscore ? */
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typedef struct _objc_runtime_hooks_r
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{
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/* TODO: Expand comments in this file. */
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/* Initialize for this runtime. */
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void (*initialize) (void);
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const char *default_constant_string_class_name;
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/* FIXME: Having to check this name should not be necessary. */
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const char *tag_getclass;
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/* id for superclass class field - named differently in the existing
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runtimes. */
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tree (*super_superclassfield_ident) (void);
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/* Obtain a class decl for the identifier. */
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tree (*class_decl) (tree);
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/* Obtain a metaclass decl for the identifier. */
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tree (*metaclass_decl) (tree);
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/* Obtain a category decl for the identifier. */
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tree (*category_decl) (tree);
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/* Obtain a protocol decl for the identifier. */
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tree (*protocol_decl) (tree);
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/* Obtain a string decl, to be placed in the nominated string-section. */
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tree (*string_decl) (tree, const char *, string_section);
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/* Obtain a class reference, generating the fwd def. if necessary. */
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tree (*get_class_reference) (tree);
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/* build/get selector reference. */
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tree (*build_selector_reference) (location_t, tree, tree);
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/* Get a protocol reference, generating the forward def. if necessary. */
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tree (*get_protocol_reference) (location_t, tree);
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/* Get an ivar ref. re the base. */
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tree (*build_ivar_reference) (location_t, tree, tree);
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/* Get a reference to {meta}class' super. */
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tree (*get_class_super_ref) (location_t, struct imp_entry *, bool);
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/* Get a reference to Category {meta}class' super. */
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tree (*get_category_super_ref) (location_t, struct imp_entry *, bool);
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/* Receiver is class Object, check runtime-specific. */
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tree (*receiver_is_class_object) (tree);
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/* Get the start of a method argument type list (receiver, _cmd). */
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void (*get_arg_type_list_base) (VEC(tree,gc) **, tree, int, int);
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/* Build method call. */
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tree (*build_objc_method_call) (location_t, tree, tree, tree, tree, tree, int);
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/* Check for or otherwise handle a request to check that the constant
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string class reference is set-up & OK. */
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bool (*setup_const_string_class_decl) (void);
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/* Return the tree reprenting a const string constructor for the arg.
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Most of the data are in global trees. */
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tree (*build_const_string_constructor) (location_t, tree, int);
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/* Exceptions. */
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tree (*build_throw_stmt) (location_t, tree, bool);
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tree (*build_exc_ptr) (struct objc_try_context **);
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tree (*begin_catch) (struct objc_try_context **, tree, tree, tree, bool);
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void (*finish_catch) (struct objc_try_context **, tree);
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tree (*finish_try_stmt) (struct objc_try_context **);
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/* Emit all the metadata required by the runtime - based on the tables built
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during parsing. */
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void (*generate_metadata) (void);
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} objc_runtime_hooks;
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/* For shared support that needs to access these. */
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extern objc_runtime_hooks runtime;
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/* One per runtime at present.
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TODO: Make into some kind of configury-generated table. */
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extern bool objc_gnu_runtime_abi_01_init (objc_runtime_hooks *);
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extern bool objc_next_runtime_abi_01_init (objc_runtime_hooks *);
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extern bool objc_next_runtime_abi_02_init (objc_runtime_hooks *);
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#endif /* _OBJC_RUNTIME_HOOKS_H_ */
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