429 lines
11 KiB
C
429 lines
11 KiB
C
/*
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* $Id$
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*
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Copyright (c) 2016-2018 Chung, Hyung-Hwan. All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
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IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "_core.h"
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#include "../lib/hcl-prv.h"
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static hcl_pfrc_t pf_core_basic_new (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj, size, inst;
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hcl_ooi_t nsize;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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if (!HCL_IS_CLASS(hcl, obj))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "object not class - %O", obj);
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return HCL_PF_FAILURE;
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}
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size = HCL_STACK_GETARG(hcl, nargs, 1);
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if (!HCL_OOP_IS_SMOOI(size))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "size not numeric - %O", size);
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return HCL_PF_FAILURE;
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}
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nsize = HCL_OOP_TO_SMOOI(size);
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if (nsize < 0)
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "size not valid - %zd", nsize);
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return HCL_PF_FAILURE;
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}
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inst = hcl_instantiate(hcl, (hcl_oop_class_t)obj, HCL_NULL, nsize);
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if (HCL_UNLIKELY(!inst)) return HCL_PF_FAILURE;
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HCL_STACK_SETRET (hcl, nargs, inst);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_basic_at (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj, val;
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hcl_oop_t pos;
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hcl_oow_t index;
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hcl_oop_class_t _class;
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hcl_oow_t fixed, flexi;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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pos = HCL_STACK_GETARG(hcl, nargs, 1);
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if (!HCL_OOP_IS_POINTER(obj) || !HCL_OBJ_GET_FLAGS_FLEXI(obj))
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{
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unindexable:
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/* the receiver is a special numeric object or a non-indexable object */
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hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not indexable - %O", obj);
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return HCL_PF_FAILURE;
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}
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if (hcl_inttooow_noseterr(hcl, pos, &index) <= 0)
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{
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/* negative integer or not integer */
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position not valid - %O", pos);
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return HCL_PF_FAILURE;
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}
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_class = (hcl_oop_class_t)HCL_CLASSOF(hcl, obj);
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fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
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flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
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if (index >= flexi)
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
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return HCL_PF_FAILURE;
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}
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index += fixed;
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switch (HCL_OBJ_GET_FLAGS_TYPE(obj))
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{
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case HCL_OBJ_TYPE_OOP:
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val = HCL_OBJ_GET_OOP_VAL(obj, index);
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break;
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case HCL_OBJ_TYPE_CHAR:
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{
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hcl_ooch_t c;
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c = HCL_OBJ_GET_CHAR_VAL(obj, index);
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val = HCL_CHAR_TO_OOP(c);
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break;
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}
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case HCL_OBJ_TYPE_BYTE:
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{
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hcl_ooi_t b;
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b = HCL_OBJ_GET_BYTE_VAL(obj, index);
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val = HCL_SMOOI_TO_OOP(b);
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break;
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}
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case HCL_OBJ_TYPE_HALFWORD:
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val = hcl_oowtoint(hcl, HCL_OBJ_GET_HALFWORD_VAL(obj, index));
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if (HCL_UNLIKELY(!val)) return HCL_PF_FAILURE;
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break;
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case HCL_OBJ_TYPE_WORD:
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val = hcl_oowtoint(hcl, HCL_OBJ_GET_WORD_VAL(obj, index));
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if (HCL_UNLIKELY(!val)) return HCL_PF_FAILURE;
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break;
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default:
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goto unindexable;
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break;
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}
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HCL_STACK_SETRET (hcl, nargs, val);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_basic_at_put (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj, val;
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hcl_oop_t pos;
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hcl_oow_t index;
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hcl_oop_class_t _class;
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hcl_oow_t fixed, flexi;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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pos = HCL_STACK_GETARG(hcl, nargs, 1);
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val = HCL_STACK_GETARG(hcl, nargs, 2);
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if (!HCL_OOP_IS_POINTER(obj) || !HCL_OBJ_GET_FLAGS_FLEXI(obj))
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{
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unindexable:
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hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not indexable - %O", obj);
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return HCL_PF_FAILURE;
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}
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if (hcl_inttooow_noseterr(hcl, pos, &index) <= 0)
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{
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/* negative integer or not integer */
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position not valid - %O", pos);
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return HCL_PF_FAILURE;
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}
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_class = (hcl_oop_class_t)HCL_CLASSOF(hcl, obj);
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fixed = HCL_CLASS_SPEC_NAMED_INSTVARS(_class->spec);
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flexi = HCL_OBJ_GET_SIZE(obj) - fixed;
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if (index >= flexi)
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
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return HCL_PF_FAILURE;
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}
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index += fixed;
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if (index >= HCL_OBJ_GET_SIZE(obj))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position(%zd) out of range - negative or greater than or equal to %zu", index, (hcl_ooi_t)HCL_OBJ_GET_SIZE(obj));
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return HCL_PF_FAILURE;
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}
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switch (HCL_OBJ_GET_FLAGS_TYPE(obj))
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{
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case HCL_OBJ_TYPE_OOP:
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HCL_OBJ_SET_OOP_VAL(obj, index, val);
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break;
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case HCL_OBJ_TYPE_CHAR:
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{
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hcl_ooch_t c;
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if (!HCL_OOP_IS_CHAR(val))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "value not character - %O", val);
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return HCL_PF_FAILURE;
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}
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c = HCL_OOP_TO_CHAR(val);
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HCL_OBJ_SET_CHAR_VAL(obj, index, c);
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break;
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}
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case HCL_OBJ_TYPE_BYTE:
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{
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hcl_ooi_t b;
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if (!HCL_OOP_IS_SMOOI(val))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "value not byte - %O", val);
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return HCL_PF_FAILURE;
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}
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b = HCL_OOP_TO_SMOOI(val);
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HCL_OBJ_SET_BYTE_VAL(obj, index, b);
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break;
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}
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case HCL_OBJ_TYPE_HALFWORD:
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{
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hcl_oow_t w;
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if (hcl_inttooow(hcl, val, &w) <= -1) return HCL_PF_FAILURE;
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HCL_OBJ_SET_HALFWORD_VAL(obj, index, w);
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break;
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}
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case HCL_OBJ_TYPE_WORD:
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{
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hcl_oow_t w;
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if (hcl_inttooow(hcl, val, &w) <= -1) return HCL_PF_FAILURE;
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HCL_OBJ_SET_WORD_VAL(obj, index, w);
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break;
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}
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default:
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goto unindexable;
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break;
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}
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HCL_STACK_SETRET (hcl, nargs, val);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_basic_size (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_oop_t src;
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hcl_oop_t size;
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src = (hcl_oop_oop_t)HCL_STACK_GETARG(hcl, nargs, 0);
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if (!HCL_OOP_IS_POINTER(src))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "source not sizable - %O", src);
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return HCL_PF_FAILURE;
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}
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size = hcl_oowtoint(hcl, HCL_OBJ_GET_SIZE(src));
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if (!size) return HCL_PF_FAILURE;
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HCL_STACK_SETRET (hcl, nargs, size);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_class_name (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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if (!HCL_IS_CLASS(hcl, obj))
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{
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#if 0
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hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not class - %O", obj);
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return HCL_PF_FAILURE;
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#else
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obj = (hcl_oop_t)HCL_CLASSOF(hcl, obj);
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HCL_ASSERT (hcl, HCL_IS_CLASS(hcl, obj));
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#endif
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}
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HCL_STACK_SETRET (hcl, nargs, ((hcl_oop_class_t)obj)->name);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_class_responds_to (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj;
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hcl_oop_t msg;
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int x;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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msg = HCL_STACK_GETARG(hcl, nargs, 1);
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if (!HCL_IS_CLASS(hcl, obj))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "receiver not class - %O", msg);
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return HCL_PF_FAILURE;
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}
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if (!HCL_OBJ_IS_CHAR_POINTER(msg))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "invalid message - %O", msg);
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return HCL_PF_FAILURE;
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}
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x = hcl_class_responds_to(hcl, obj, msg);
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HCL_STACK_SETRET (hcl, nargs, (x? hcl->_true: hcl->_false));
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_inst_responds_to (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t obj;
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hcl_oop_t msg;
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int x;
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obj = HCL_STACK_GETARG(hcl, nargs, 0);
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msg = HCL_STACK_GETARG(hcl, nargs, 1);
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if (!HCL_OBJ_IS_CHAR_POINTER(msg))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "invalid message - %O", msg);
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return HCL_PF_FAILURE;
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}
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x = hcl_inst_responds_to(hcl, obj, msg);
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HCL_STACK_SETRET (hcl, nargs, (x? hcl->_true: hcl->_false));
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return HCL_PF_SUCCESS;
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}
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static hcl_pfrc_t pf_core_slice (hcl_t* hcl, hcl_mod_t* mod, hcl_ooi_t nargs)
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{
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hcl_oop_t src, slice, a1, a2;
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hcl_ooi_t size;
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hcl_ooi_t pos;
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hcl_ooi_t len;
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hcl_ooi_t i;
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src = HCL_STACK_GETARG(hcl, nargs, 0);
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a1 = HCL_STACK_GETARG(hcl, nargs, 1);
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a2 = HCL_STACK_GETARG(hcl, nargs, 2);
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if (!HCL_OOP_IS_POINTER(src))
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{
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unsliceable:
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hcl_seterrbfmt (hcl, HCL_EINVAL, "source not sliceable - %O", src);
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return HCL_PF_FAILURE;
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}
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if (!HCL_OOP_IS_SMOOI(a1))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "position not numeric - %O", a1);
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return HCL_PF_FAILURE;
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}
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if (!HCL_OOP_IS_SMOOI(a2))
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{
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hcl_seterrbfmt (hcl, HCL_EINVAL, "length not numeric - %O", a2);
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return HCL_PF_FAILURE;
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}
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size = HCL_OBJ_GET_SIZE(src);
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pos = HCL_OOP_TO_SMOOI(a1);
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len = HCL_OOP_TO_SMOOI(a2);
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if (pos < 0) pos = 0;
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else if (pos >= size) pos = size;
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if (len >= size - pos) len = size - pos;
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/* TODO: check if the object is an indexable object from the class spec... */
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/* use HCL_OBJ_GET_CLASS() instead of HCL_CLASSOF() as we know it's an object */
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slice = hcl_instantiate(hcl, (hcl_oop_class_t)HCL_OBJ_GET_CLASS(src), HCL_NULL, len);
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if (HCL_UNLIKELY(!slice)) return HCL_PF_FAILURE;
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/* OR if add by the number of fixed fields??? */
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switch (HCL_OBJ_GET_FLAGS_TYPE(src))
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{
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case HCL_OBJ_TYPE_OOP:
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for (i = 0; i < len; i++) HCL_OBJ_GET_OOP_VAL(slice, i) = HCL_OBJ_GET_OOP_VAL(src, pos + i);
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break;
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case HCL_OBJ_TYPE_CHAR:
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for (i = 0; i < len; i++) HCL_OBJ_GET_CHAR_VAL(slice, i) = HCL_OBJ_GET_CHAR_VAL(src, pos + i);
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break;
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case HCL_OBJ_TYPE_BYTE:
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for (i = 0; i < len; i++) HCL_OBJ_GET_BYTE_VAL(slice, i) = HCL_OBJ_GET_BYTE_VAL(src, pos + i);
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break;
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case HCL_OBJ_TYPE_HALFWORD:
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for (i = 0; i < len; i++) HCL_OBJ_GET_HALFWORD_VAL(slice, i) = HCL_OBJ_GET_HALFWORD_VAL(src, pos + i);
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break;
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case HCL_OBJ_TYPE_WORD:
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for (i = 0; i < len; i++) HCL_OBJ_GET_WORD_VAL(slice, i) = HCL_OBJ_GET_WORD_VAL(src, pos + i);
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break;
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default:
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goto unsliceable;
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break;
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}
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HCL_STACK_SETRET (hcl, nargs, slice);
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return HCL_PF_SUCCESS;
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}
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static hcl_pfinfo_t pfinfos[] =
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{
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{ "basicAt", { HCL_PFBASE_FUNC, pf_core_basic_at, 2, 2 } },
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{ "basicAtPut", { HCL_PFBASE_FUNC, pf_core_basic_at_put, 3, 3 } },
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{ "basicNew", { HCL_PFBASE_FUNC, pf_core_basic_new, 2, 2 } },
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{ "basicSize", { HCL_PFBASE_FUNC, pf_core_basic_size, 1, 1 } },
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{ "className", { HCL_PFBASE_FUNC, pf_core_class_name, 1, 1 } },
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{ "classRespondsTo", { HCL_PFBASE_FUNC, pf_core_class_responds_to, 2, 2 } },
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{ "instRespondsTo", { HCL_PFBASE_FUNC, pf_core_inst_responds_to, 2, 2 } },
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{ "slice", { HCL_PFBASE_FUNC, pf_core_slice, 3, 3 } }
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};
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/* ------------------------------------------------------------------------ */
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static hcl_pfbase_t* query (hcl_t* hcl, hcl_mod_t* mod, const hcl_ooch_t* name, hcl_oow_t namelen)
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{
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return hcl_findpfbase(hcl, pfinfos, HCL_COUNTOF(pfinfos), name, namelen);
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}
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static void unload (hcl_t* hcl, hcl_mod_t* mod)
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{
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}
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int hcl_mod_core (hcl_t* hcl, hcl_mod_t* mod)
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{
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mod->query = query;
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mod->unload = unload;
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mod->ctx = HCL_NULL;
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return 0;
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}
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