246 lines
7.0 KiB
C
246 lines
7.0 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 "hcl-prv.h"
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static hcl_cnode_t* make_cnode (hcl_t* hcl, hcl_cnode_type_t type, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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hcl_cnode_t* cnode;
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hcl_oocs_t empty;
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hcl_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 = (hcl_cnode_t*)hcl_callocmem(hcl, HCL_SIZEOF(*cnode) + HCL_SIZEOF(*tok->ptr) * (tok->len + 1));
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if (HCL_UNLIKELY(!cnode)) return HCL_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 = (hcl_ooch_t*)(cnode + 1);
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cnode->cn_tok.len = tok->len;
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hcl_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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hcl_cnode_t* hcl_makecnodenil (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_NIL, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodetrue (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_TRUE, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodefalse (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_FALSE, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodeself (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_SELF, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodesuper (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_SUPER, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodeellipsis (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_ELLIPSIS, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodetrpcolons (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_TRPCOLONS, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodedcstar (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_DCSTAR, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodecharlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, const hcl_ooch_t v)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_CHARLIT, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_NULL;
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c->u.charlit.v = v;
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return c;
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}
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hcl_cnode_t* hcl_makecnodesymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SYMBOL, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_NULL;
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c->u.symbol.syncode = hcl_getsyncodebyoocs_noseterr(hcl, tok);
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return c;
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}
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hcl_cnode_t* hcl_makecnodedsymbol (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, int is_cla)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_DSYMBOL, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_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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hcl_cnode_t* hcl_makecnodestrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_STRLIT, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodenumlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_NUMLIT, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnoderadnumlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_RADNUMLIT, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodefpdeclit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok)
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{
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return make_cnode(hcl, HCL_CNODE_FPDECLIT, flags, loc, tok);
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}
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hcl_cnode_t* hcl_makecnodesmptrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_oow_t v)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SMPTRLIT, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_NULL;
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c->u.smptrlit.v = v;
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return c;
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}
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hcl_cnode_t* hcl_makecnodeerrlit (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_ooi_t v)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_ERRLIT, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_NULL;
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c->u.errlit.v = v;
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return c;
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}
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hcl_cnode_t* hcl_makecnodecons (hcl_t* hcl, int flags, const hcl_loc_t* loc, const hcl_oocs_t* tok, hcl_cnode_t* car, hcl_cnode_t* cdr)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_CONS, flags, loc, tok);
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if (HCL_UNLIKELY(!c)) return HCL_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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hcl_cnode_t* hcl_makecnodeelist (hcl_t* hcl, int flags, const hcl_loc_t* loc, hcl_concode_t type)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_ELIST, flags, loc, HCL_NULL);
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if (HCL_UNLIKELY(!c)) return HCL_NULL;
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c->u.elist.concode = type;
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return c;
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}
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hcl_cnode_t* hcl_makecnodeshell (hcl_t* hcl, int flags, const hcl_loc_t* loc, hcl_cnode_t* obj)
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{
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hcl_cnode_t* c = make_cnode(hcl, HCL_CNODE_SHELL, flags, loc, HCL_NULL);
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if (HCL_UNLIKELY(!c)) return HCL_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 hcl_freesinglecnode (hcl_t* hcl, hcl_cnode_t* c)
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{
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hcl_freemem (hcl, c);
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}
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void hcl_freecnode (hcl_t* hcl, hcl_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 HCL_CNODE_CONS:
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{
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hcl_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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HCL_ASSERT (hcl, tmp1 != HCL_NULL);
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hcl_freemem (hcl, c);
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hcl_freecnode (hcl, 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 HCL_CNODE_SHELL:
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{
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hcl_cnode_t* tmp;
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tmp = c->u.shell.obj;
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hcl_freemem (hcl, 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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hcl_freemem (hcl, c);
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break;
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}
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}
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hcl_oow_t hcl_countcnodecons (hcl_t* hcl, hcl_cnode_t* cons)
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{
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/* this function ignores the last cdr */
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hcl_oow_t count = 1;
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HCL_ASSERT (hcl, HCL_CNODE_IS_CONS(cons));
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do
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{
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cons = HCL_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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