270 lines
7.9 KiB
C
270 lines
7.9 KiB
C
/*
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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 "hak-prv.h"
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hak_cnode_t* hak_makecnode (hak_t* hak, hak_cnode_type_t type, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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hak_cnode_t* cnode;
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hak_oocs_t empty;
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hak_ooch_t dummy;
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if (!tok)
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{
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empty.ptr = &dummy;
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empty.len = 0;
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tok = ∅
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}
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cnode = (hak_cnode_t*)hak_callocmem(hak, HAK_SIZEOF(*cnode) + HAK_SIZEOF(*tok->ptr) * (tok->len + 1));
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if (HAK_UNLIKELY(!cnode)) return HAK_NULL;
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cnode->cn_type = type;
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cnode->cn_flags = flags;
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cnode->cn_loc = *loc;
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cnode->cn_tok.ptr = (hak_ooch_t*)(cnode + 1);
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cnode->cn_tok.len = tok->len;
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hak_copy_oochars (cnode->cn_tok.ptr, tok->ptr, tok->len);
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cnode->cn_tok.ptr[tok->len] = '\0';
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return cnode;
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}
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hak_cnode_t* hak_makecnodenil (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_NIL, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodetrue (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_TRUE, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodefalse (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_FALSE, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodeself (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_SELF, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodesuper (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_SUPER, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodeellipsis (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_ELLIPSIS, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodetrpcolons (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_TRPCOLONS, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodedblcolons (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_DBLCOLONS, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodecolon (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_COLON, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodecharlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, hak_ooch_t v)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_CHARLIT, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.charlit.v = v;
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return c;
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}
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hak_cnode_t* hak_makecnodebchrlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, hak_oob_t v)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_BCHRLIT, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.bchrlit.v = v;
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return c;
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}
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hak_cnode_t* hak_makecnodesymbol (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_SYMBOL, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodedsymbol (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, int is_cla)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_DSYMBOL, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.dsymbol.is_cla = is_cla;
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return c;
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}
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hak_cnode_t* hak_makecnodebinop (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_BINOP, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodestrlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_STRLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodebstrlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_BSTRLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodesymlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_SYMLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodenumlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_NUMLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnoderadnumlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_RADNUMLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodefpdeclit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok)
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{
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return hak_makecnode(hak, HAK_CNODE_FPDECLIT, flags, loc, tok);
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}
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hak_cnode_t* hak_makecnodesmptrlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, hak_oow_t v)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_SMPTRLIT, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.smptrlit.v = v;
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return c;
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}
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hak_cnode_t* hak_makecnodeerrlit (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, hak_ooi_t v)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_ERRLIT, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.errlit.v = v;
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return c;
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}
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hak_cnode_t* hak_makecnodecons (hak_t* hak, int flags, const hak_loc_t* loc, const hak_oocs_t* tok, hak_cnode_t* car, hak_cnode_t* cdr)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_CONS, flags, loc, tok);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.cons.car = car;
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c->u.cons.cdr = cdr;
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return c;
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}
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hak_cnode_t* hak_makecnodeelist (hak_t* hak, int flags, const hak_loc_t* loc, hak_concode_t type)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_ELIST, flags, loc, HAK_NULL);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.elist.concode = type;
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return c;
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}
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hak_cnode_t* hak_makecnodeshell (hak_t* hak, int flags, const hak_loc_t* loc, hak_cnode_t* obj)
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{
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hak_cnode_t* c = hak_makecnode(hak, HAK_CNODE_SHELL, flags, loc, HAK_NULL);
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if (HAK_UNLIKELY(!c)) return HAK_NULL;
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c->u.shell.obj = obj;
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return c;
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}
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void hak_freesinglecnode (hak_t* hak, hak_cnode_t* c)
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{
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hak_freemem(hak, c);
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}
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void hak_freecnode (hak_t* hak, hak_cnode_t* c)
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{
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redo:
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switch (c->cn_type)
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{
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case HAK_CNODE_CONS:
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{
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hak_cnode_t* tmp1, * tmp2;
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tmp1 = c->u.cons.car;
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tmp2 = c->u.cons.cdr;
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HAK_ASSERT(hak, tmp1 != HAK_NULL);
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hak_freemem(hak, c);
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hak_freecnode(hak, tmp1); /* TODO: remove recursion? */
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if (tmp2)
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{
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c = tmp2;
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goto redo;
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}
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break;
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}
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case HAK_CNODE_SHELL:
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{
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hak_cnode_t* tmp;
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tmp = c->u.shell.obj;
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hak_freemem(hak, c);
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if (tmp)
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{
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c = tmp;
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goto redo;
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}
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break;
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}
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default:
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hak_freemem(hak, c);
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break;
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}
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}
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hak_oow_t hak_countcnodecons (hak_t* hak, hak_cnode_t* cons)
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{
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/* this function ignores the last cdr */
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hak_oow_t count = 1;
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HAK_ASSERT(hak, HAK_CNODE_IS_CONS(cons));
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do
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{
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cons = HAK_CNODE_CONS_CDR(cons);
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if (!cons) break;
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count++;
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}
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while (1);
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return count;
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}
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