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702551e6cc
* goops.h (SCM_NUMBER_OF_SLOTS): don't SCM_UNPACK the result.
* backtrace.c ("display_backtrace_body"): SCM_PACK before SCM_EQ_P
(display_frame): idem.
(display_backtrace_file_and_line): idem.
* tags.h (SCM_UNPACK): stricter typechecking on SCM_UNPACK
arguments.
303 lines
12 KiB
C
303 lines
12 KiB
C
/* classes: h_files */
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#ifndef SCM_GOOPS_H
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#define SCM_GOOPS_H
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/* Copyright (C) 1998,1999,2000,2001,2002,2003 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library 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 GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* This software is a derivative work of other copyrighted softwares; the
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* copyright notices of these softwares are placed in the file COPYRIGHTS
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*
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* This file is based upon stklos.h from the STk distribution by
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* Erick Gallesio <eg@unice.fr>.
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*/
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#include "libguile/__scm.h"
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#include "libguile/validate.h"
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/*
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* scm_class_class
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*/
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#define SCM_CLASS_CLASS_LAYOUT "prsrpwpopopwururururururururpwpwpwpwpwpwpwpwpwpwpwpw"
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#define scm_si_layout 0 /* the struct layout */
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#define scm_si_vtable 1
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#define scm_si_print 2 /* the struct print closure */
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#define scm_si_proc 3
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#define scm_si_setter 4
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#define scm_si_goops_fields 5
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/* Defined in libguile/objects.h:
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#define scm_si_redefined 5 The class to which class was redefined.
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#define scm_si_hashsets 6
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*/
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#define scm_si_name 14 /* a symbol */
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#define scm_si_direct_supers 15 /* (class ...) */
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#define scm_si_direct_slots 16 /* ((name . options) ...) */
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#define scm_si_direct_subclasses 17 /* (class ...) */
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#define scm_si_direct_methods 18 /* (methods ...) */
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#define scm_si_cpl 19 /* (class ...) */
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#define scm_si_slotdef_class 20
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#define scm_si_slots 21 /* ((name . options) ...) */
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#define scm_si_name_access 22
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#define scm_si_keyword_access 23
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#define scm_si_nfields 24 /* an integer */
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#define scm_si_environment 25 /* The environment in which class is built */
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#define SCM_N_CLASS_SLOTS 26
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typedef struct scm_t_method {
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SCM generic_function;
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SCM specializers;
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SCM procedure;
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} scm_t_method;
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#define SCM_METHOD(obj) ((scm_t_method *) SCM_STRUCT_DATA (obj))
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#define SCM_CLASSF_SIMPLE_METHOD (0x004 << 20)
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#define SCM_CLASSF_ACCESSOR_METHOD (0x008 << 20)
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/* Defined in libguile/objects.c */
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/* #define SCM_CLASSF_PURE_GENERIC (0x010 << 20) */
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#define SCM_CLASSF_FOREIGN (0x020 << 20)
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#define SCM_CLASSF_METACLASS (0x040 << 20)
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/* Defined in libguile/objects.c */
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/* #define SCM_CLASSF_GOOPS_VALID (0x080 << 20) */
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/* #define SCM_CLASSF_GOOPS (0x100 << 20) */
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#define SCM_CLASSF_GOOPS_OR_VALID (SCM_CLASSF_GOOPS | SCM_CLASSF_GOOPS_VALID)
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#define SCM_CLASSF_INHERIT (~(SCM_CLASSF_PURE_GENERIC \
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| SCM_CLASSF_SIMPLE_METHOD \
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| SCM_CLASSF_ACCESSOR_METHOD \
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| SCM_STRUCTF_LIGHT) \
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& SCM_CLASSF_MASK)
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#define SCM_INST(x) SCM_STRUCT_DATA (x)
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/* Also defined in libguile/objects.c */
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#define SCM_CLASS_OF(x) SCM_STRUCT_VTABLE (x)
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#define SCM_ACCESSORS_OF(x) (SCM_PACK (SCM_STRUCT_VTABLE_DATA (x)[scm_si_getters_n_setters]))
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#define SCM_NUMBER_OF_SLOTS(x) \
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((SCM_STRUCT_DATA (x)[scm_struct_i_n_words]) - scm_struct_n_extra_words)
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#define SCM_CLASSP(x) \
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(SCM_STRUCTP (x) && SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_METACLASS)
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#define SCM_VALIDATE_CLASS(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, CLASSP, "class")
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#define SCM_INSTANCEP(x) \
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(SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_GOOPS))
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#define SCM_VALIDATE_INSTANCE(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, INSTANCEP, "instance")
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#define SCM_PUREGENERICP(x) \
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(SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_PURE_GENERIC))
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#define SCM_VALIDATE_PUREGENERIC(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, PUREGENERICP, "pure generic function")
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#define SCM_ACCESSORP(x) \
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(SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_ACCESSOR_METHOD))
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#define SCM_VALIDATE_ACCESSOR(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, ACCESSORP, "accessor")
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#define SCM_SLOT(x, i) (SCM_PACK (SCM_INST (x) [i]))
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#define SCM_SET_SLOT(x, i, v) (SCM_INST (x) [i] = SCM_UNPACK (v))
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#define SCM_INSTANCE_HASH(c, i) (SCM_INST (c) [scm_si_hashsets + (i)])
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#define SCM_SET_HASHSET(c, i, h) (SCM_INST (c) [scm_si_hashsets + (i)] = (h))
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#define SCM_SUBCLASSP(c1, c2) (!SCM_FALSEP (scm_c_memq (c2, SCM_SLOT (c1, scm_si_cpl))))
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#define SCM_IS_A_P(x, c) \
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(SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), c))
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#define SCM_GENERICP(x) \
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(SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), scm_class_generic))
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#define SCM_VALIDATE_GENERIC(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, GENERICP, "generic function")
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#define SCM_METHODP(x) \
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(SCM_INSTANCEP (x) && SCM_SUBCLASSP (SCM_CLASS_OF (x), scm_class_method))
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#define SCM_VALIDATE_METHOD(pos, x) SCM_MAKE_VALIDATE_MSG (pos, x, METHODP, "method")
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#define SCM_MCACHE_N_SPECIALIZED(C) SCM_CADDR (C)
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#define SCM_SET_MCACHE_N_SPECIALIZED(C, X) SCM_SETCAR (SCM_CDDR (C), X)
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#define SCM_INITIAL_MCACHE_SIZE 1
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#define scm_si_getters_n_setters scm_si_name_access
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#define scm_si_constructor SCM_N_CLASS_SLOTS
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#define scm_si_destructor SCM_N_CLASS_SLOTS + 1
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#define scm_si_methods 0 /* offset of methods slot in a <generic> */
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#define scm_si_n_specialized 1
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#define scm_si_used_by 2
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#define scm_si_cache_mutex 3
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#define scm_si_generic_function 0 /* offset of gf slot in a <method> */
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#define scm_si_specializers 1 /* offset of spec. slot in a <method> */
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#define scm_si_procedure 2 /* offset of proc. slot in a <method> */
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#define scm_si_code_table 3 /* offset of code. slot in a <method> */
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/* C interface */
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SCM_API SCM scm_class_top;
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SCM_API SCM scm_class_object;
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SCM_API SCM scm_class_class;
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SCM_API SCM scm_class_applicable;
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SCM_API SCM scm_class_entity;
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SCM_API SCM scm_class_entity_with_setter;
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SCM_API SCM scm_class_generic;
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SCM_API SCM scm_class_generic_with_setter;
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SCM_API SCM scm_class_accessor;
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SCM_API SCM scm_class_extended_generic;
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SCM_API SCM scm_class_extended_generic_with_setter;
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SCM_API SCM scm_class_extended_accessor;
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SCM_API SCM scm_class_method;
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SCM_API SCM scm_class_simple_method;
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SCM_API SCM scm_class_accessor_method;
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SCM_API SCM scm_class_procedure_class;
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SCM_API SCM scm_class_operator_class;
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SCM_API SCM scm_class_operator_with_setter_class;
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SCM_API SCM scm_class_entity_class;
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SCM_API SCM scm_class_number;
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SCM_API SCM scm_class_list;
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SCM_API SCM scm_class_keyword;
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SCM_API SCM scm_class_port;
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SCM_API SCM scm_class_input_output_port;
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SCM_API SCM scm_class_input_port;
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SCM_API SCM scm_class_output_port;
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SCM_API SCM scm_class_foreign_class;
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SCM_API SCM scm_class_foreign_object;
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SCM_API SCM scm_class_foreign_slot;
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SCM_API SCM scm_class_self;
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SCM_API SCM scm_class_protected;
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SCM_API SCM scm_class_opaque;
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SCM_API SCM scm_class_read_only;
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SCM_API SCM scm_class_protected_opaque;
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SCM_API SCM scm_class_protected_read_only;
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SCM_API SCM scm_class_scm;
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SCM_API SCM scm_class_int;
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SCM_API SCM scm_class_float;
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SCM_API SCM scm_class_double;
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SCM_API const char *scm_s_slot_set_x;
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SCM_API SCM scm_module_goops;
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SCM_API SCM scm_goops_version (void);
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SCM_API SCM scm_oldfmt (SCM);
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SCM_API char *scm_c_oldfmt0 (char *);
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SCM_API char *scm_c_oldfmt (char *, int n);
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SCM_API void scm_load_goops (void);
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SCM_API SCM scm_make_foreign_object (SCM cls, SCM initargs);
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SCM_API SCM scm_make_class (SCM meta, char *s_name, SCM supers, size_t size,
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void * (*constructor) (SCM initargs),
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size_t (*destructor) (void *));
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SCM_API void scm_add_slot (SCM c, char *slot, SCM slot_class,
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SCM (*getter) (SCM obj),
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SCM (*setter) (SCM obj, SCM x),
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char *accessor_name);
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SCM_API SCM scm_wrap_object (SCM c, void *);
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SCM_API SCM scm_wrap_component (SCM c, SCM obj, void *);
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SCM_API SCM scm_ensure_accessor (SCM name);
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SCM_API void scm_add_method (SCM gf, SCM m);
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/* Low level functions exported */
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SCM_API SCM scm_make_next_method (SCM methods, SCM args, SCM gf);
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SCM_API SCM scm_basic_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots);
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SCM_API SCM scm_basic_make_class (SCM c, SCM name, SCM dsupers, SCM dslots);
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/* Primitives exported */
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SCM_API SCM scm_sys_allocate_instance (SCM c, SCM initargs);
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SCM_API SCM scm_sys_set_object_setter_x (SCM obj, SCM setter);
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SCM_API SCM scm_slot_ref (SCM obj, SCM slot_name);
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SCM_API SCM scm_slot_set_x (SCM obj, SCM slot_name, SCM value);
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SCM_API SCM scm_compute_applicable_methods (SCM gf, SCM args, long len, int scm_find_method);
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SCM_API SCM scm_sys_compute_applicable_methods (SCM gf, SCM args);
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#ifdef GUILE_DEBUG
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SCM_API SCM scm_pure_generic_p (SCM obj);
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#endif
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SCM_API SCM scm_sys_compute_slots (SCM c);
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SCM_API SCM scm_i_get_keyword (SCM key, SCM l, long len, SCM default_value, const char *subr);
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SCM_API SCM scm_get_keyword (SCM key, SCM l, SCM default_value);
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SCM_API SCM scm_sys_initialize_object (SCM obj, SCM initargs);
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SCM_API SCM scm_sys_prep_layout_x (SCM c);
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SCM_API SCM scm_sys_inherit_magic_x (SCM c, SCM dsupers);
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SCM_API SCM scm_instance_p (SCM obj);
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SCM_API SCM scm_class_name (SCM obj);
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SCM_API SCM scm_class_direct_supers (SCM obj);
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SCM_API SCM scm_class_direct_slots (SCM obj);
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SCM_API SCM scm_class_direct_subclasses (SCM obj);
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SCM_API SCM scm_class_direct_methods (SCM obj);
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SCM_API SCM scm_class_precedence_list (SCM obj);
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SCM_API SCM scm_class_slots (SCM obj);
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SCM_API SCM scm_class_environment (SCM obj);
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SCM_API SCM scm_generic_function_name (SCM obj);
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SCM_API SCM scm_generic_function_methods (SCM obj);
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SCM_API SCM scm_method_generic_function (SCM obj);
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SCM_API SCM scm_method_specializers (SCM obj);
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SCM_API SCM scm_method_procedure (SCM obj);
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SCM_API SCM scm_accessor_method_slot_definition (SCM obj);
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SCM_API SCM scm_sys_tag_body (SCM body);
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SCM_API SCM scm_sys_fast_slot_ref (SCM obj, SCM index);
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SCM_API SCM scm_sys_fast_slot_set_x (SCM obj, SCM index, SCM value);
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SCM_API SCM scm_slot_ref_using_class (SCM cls, SCM obj, SCM slot_name);
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SCM_API SCM scm_slot_set_using_class_x (SCM cls, SCM obj, SCM slot_name, SCM value);
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SCM_API SCM scm_slot_bound_using_class_p (SCM cls, SCM obj, SCM slot_name);
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SCM_API SCM scm_slot_exists_using_class_p (SCM cls, SCM obj, SCM slot_name);
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SCM_API SCM scm_slot_bound_p (SCM obj, SCM slot_name);
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SCM_API SCM scm_slot_exists_p (SCM obj, SCM slot_name);
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SCM_API SCM scm_sys_modify_instance (SCM old, SCM newinst);
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SCM_API SCM scm_sys_modify_class (SCM old, SCM newcls);
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SCM_API SCM scm_sys_invalidate_class (SCM cls);
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SCM_API SCM scm_make_method_cache (SCM gf);
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SCM_API SCM scm_sys_invalidate_method_cache_x (SCM gf);
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SCM_API SCM scm_generic_capability_p (SCM proc);
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SCM_API SCM scm_enable_primitive_generic_x (SCM subrs);
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SCM_API SCM scm_primitive_generic_generic (SCM subr);
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SCM_API void scm_c_extend_primitive_generic (SCM subr, SCM extension);
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SCM_API SCM stklos_version (void);
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SCM_API SCM scm_make (SCM args);
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SCM_API SCM scm_find_method (SCM args);
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SCM_API SCM scm_sys_method_more_specific_p (SCM m1, SCM m2, SCM targs);
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SCM_API SCM scm_init_goops_builtins (void);
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SCM_API void scm_init_goops (void);
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#if (SCM_ENABLE_DEPRECATED == 1)
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#define SCM_INST_TYPE(x) SCM_OBJ_CLASS_FLAGS (x)
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#define SCM_SIMPLEMETHODP(x) \
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(SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) & SCM_CLASSF_SIMPLE_METHOD))
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#define SCM_FASTMETHODP(x) \
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(SCM_STRUCTP (x) && (SCM_STRUCT_VTABLE_FLAGS (x) \
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& (SCM_CLASSF_ACCESSOR_METHOD \
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| SCM_CLASSF_SIMPLE_METHOD)))
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#endif
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#endif /* SCM_GOOPS_H */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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