108 lines
3.2 KiB
C
108 lines
3.2 KiB
C
/*
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* $Id: mem.h,v 1.11 2006-10-25 13:42:31 bacon Exp $
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*/
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#ifndef _ASE_LSP_MEM_H_
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#define _ASE_LSP_MEM_H_
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#include <ase/lsp/obj.h>
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#include <ase/lsp/env.h>
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#include <ase/lsp/array.h>
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typedef struct ase_lsp_mem_t ase_lsp_mem_t;
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struct ase_lsp_mem_t
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{
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ase_lsp_t* lsp;
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/*
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* object allocation list
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*/
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ase_size_t ubound; // upper bounds of the maximum number of objects
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ase_size_t ubound_inc; // increment of the upper bounds
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ase_size_t count; // the number of objects currently allocated
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ase_lsp_obj_t* used[ASE_LSP_TYPE_COUNT];
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ase_lsp_obj_t* free[ASE_LSP_TYPE_COUNT];
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ase_lsp_obj_t* locked;
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/*
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* commonly accessed objects
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*/
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ase_lsp_obj_t* nil; // ase_lsp_obj_nil_t
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ase_lsp_obj_t* t; // ase_lsp_obj_true_t
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ase_lsp_obj_t* quote; // ase_lsp_obj_symbol_t
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ase_lsp_obj_t* lambda; // ase_lsp_obj_symbol_t
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ase_lsp_obj_t* macro; // ase_lsp_obj_symbol_t
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/*
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* run-time environment frame
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*/
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ase_lsp_frame_t* frame;
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// pointer to a global-level frame
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ase_lsp_frame_t* root_frame;
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// pointer to an interim frame not yet added to "frame"
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ase_lsp_frame_t* brooding_frame;
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/*
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* temporary objects
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*/
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ase_lsp_array_t* temp_array;
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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ase_lsp_mem_t* ase_lsp_openmem (
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ase_lsp_t* lsp, ase_size_t ubound, ase_size_t ubound_inc);
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void ase_lsp_closemem (ase_lsp_mem_t* mem);
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int ase_lsp_add_builtin_prims (ase_lsp_mem_t* mem);
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ase_lsp_obj_t* ase_lsp_alloc (ase_lsp_mem_t* mem, int type, ase_size_t size);
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void ase_lsp_dispose (ase_lsp_mem_t* mem, ase_lsp_obj_t* prev, ase_lsp_obj_t* obj);
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void ase_lsp_dispose_all (ase_lsp_mem_t* mem);
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void ase_lsp_collectgarbage (ase_lsp_mem_t* mem);
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void ase_lsp_lockobj (ase_lsp_t* lsp, ase_lsp_obj_t* obj);
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void ase_lsp_unlockobj (ase_lsp_t* lsp, ase_lsp_obj_t* obj);
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void ase_lsp_unlockallobjs (ase_lsp_t* lsp, ase_lsp_obj_t* obj);
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// object creation of standard types
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ase_lsp_obj_t* ase_lsp_makenil (ase_lsp_mem_t* mem);
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ase_lsp_obj_t* ase_lsp_maketrue (ase_lsp_mem_t* mem);
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ase_lsp_obj_t* ase_lsp_makeintobj (ase_lsp_mem_t* mem, ase_long_t value);
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ase_lsp_obj_t* ase_lsp_makerealobj (ase_lsp_mem_t* mem, ase_real_t value);
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ase_lsp_obj_t* ase_lsp_makesymobj (
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ase_lsp_mem_t* mem, const ase_char_t* str, ase_size_t len);
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ase_lsp_obj_t* ase_lsp_makestrobj (
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ase_lsp_mem_t* mem, const ase_char_t* str, ase_size_t len);
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ase_lsp_obj_t* ase_lsp_makecons (
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ase_lsp_mem_t* mem, ase_lsp_obj_t* car, ase_lsp_obj_t* cdr);
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ase_lsp_obj_t* ase_lsp_makefunc (
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ase_lsp_mem_t* mem, ase_lsp_obj_t* formal, ase_lsp_obj_t* body);
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ase_lsp_obj_t* ase_lsp_makemacro (
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ase_lsp_mem_t* mem, ase_lsp_obj_t* formal, ase_lsp_obj_t* body);
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ase_lsp_obj_t* ase_lsp_makeprim (ase_lsp_mem_t* mem, void* impl);
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// frame lookup
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ase_lsp_assoc_t* ase_lsp_lookup (ase_lsp_mem_t* mem, ase_lsp_obj_t* name);
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ase_lsp_assoc_t* ase_lsp_setvalue (
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ase_lsp_mem_t* mem, ase_lsp_obj_t* name, ase_lsp_obj_t* value);
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ase_lsp_assoc_t* ase_lsp_setfunc (
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ase_lsp_mem_t* mem, ase_lsp_obj_t* name, ase_lsp_obj_t* func);
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// cons operations
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ase_size_t ase_lsp_cons_len (ase_lsp_mem_t* mem, ase_lsp_obj_t* obj);
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int ase_lsp_probeargs (ase_lsp_mem_t* mem, ase_lsp_obj_t* obj, ase_size_t* len);
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#ifdef __cplusplus
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}
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#endif
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#endif
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