80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
/*
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* $Id: class.h,v 1.11 2005-07-05 04:29:31 bacon Exp $
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*/
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#ifndef _XP_STX_CLASS_H_
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#define _XP_STX_CLASS_H_
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#include <xp/stx/stx.h>
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/* definitions for common objects */
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#define XP_STX_CLASS_SIZE 8
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#define XP_STX_CLASS_SPEC 0
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#define XP_STX_CLASS_METHODS 1
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#define XP_STX_CLASS_SUPERCLASS 2
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#define XP_STX_CLASS_SUBCLASSES 3
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#define XP_STX_CLASS_NAME 4
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#define XP_STX_CLASS_VARIABLES 5
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#define XP_STX_CLASS_CLASS_VARIABLES 6
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#define XP_STX_CLASS_POOL_DICTIONARIES 7
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#define XP_STX_METACLASS_SIZE 5
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#define XP_STX_METACLASS_SPEC 0
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#define XP_STX_METACLASS_METHODS 1
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#define XP_STX_METACLASS_SUPERCLASS 2
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#define XP_STX_METACLASS_SUBCLASSES 3
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#define XP_STX_METACLASS_INSTANCE_CLASS 4
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#define XP_STX_SPEC_INDEXABLE_BITS 2
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#define XP_STX_SPEC_INDEXABLE_MASK 3
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#define XP_STX_SPEC_NOT_INDEXABLE 0
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#define XP_STX_SPEC_WORD_INDEXABLE 1
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#define XP_STX_SPEC_BYTE_INDEXABLE 2
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#define XP_STX_SPEC_CHAR_INDEXABLE 3
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struct xp_stx_class_t
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{
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xp_stx_objhdr_t header;
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xp_word_t spec; /* indexable: 2, nfields: the rest */
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xp_word_t methods;
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xp_word_t superclass;
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xp_word_t subclasses;
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xp_word_t name;
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xp_word_t variables;
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xp_word_t class_variables;
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xp_word_t pool_dictonaries;
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};
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struct xp_stx_metaclass_t
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{
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xp_stx_objhdr_t header;
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xp_word_t spec;
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xp_word_t methods;
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xp_word_t superclass;
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xp_word_t subclasses;
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xp_word_t instance_class;
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};
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typedef struct xp_stx_class_t xp_stx_class_t;
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typedef struct xp_stx_metaclass_t xp_stx_metaclass_t;
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#ifdef __cplusplus
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extern "C" {
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#endif
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xp_word_t xp_stx_new_class (xp_stx_t* stx, const xp_char_t* name);
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xp_word_t xp_stx_lookup_class (xp_stx_t* stx, const xp_char_t* name);
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int xp_stx_get_instance_variable_index (
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xp_stx_t* stx, xp_word_t class_index,
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const xp_char_t* name, xp_word_t* index);
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xp_word_t xp_stx_lookup_class_variable (
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xp_stx_t* stx, xp_word_t class_index, const xp_char_t* name);
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#ifdef __cplusplus
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}
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#endif
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#endif
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