/
gg11.c
1019 lines (925 loc) · 30.8 KB
/
gg11.c
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/*
This file is a part of the GLAMMAR source distribution
and therefore subjected to the copy notice below.
Copyright (C) 1989,2012 Eric Voss, eric337@yahoo.com
/* file coder2 (for deterministic prefixes) */
#include "gg1.h"
#include "gg2.h"
extern int mems_lifted, highest_tempory, nraffixes;
extern int tail_recursion_elm_count;
/*
* affix offset count
*/
int oCount = 0;
det_rule_head ()
{
fprintf (output, "\n\n/* %s */\n", FREPR (ulhs));
if (MARKED (ulhs, external))
fprintf (output, "int D%s(", REPR (ulhs));
else
fprintf (output, "static int D_%d(", ulhs);
det_get_affixes (AFFIXDEF (SON (ulhs)));
if (fprintf (output, " {\n register AFFIX raf = af;\n") == EOF)
{
fprintf (stderr, "glammar: Write failed (try again later)\n");
exit (12);
}
if (BROTHER (SON (ulhs)) != nil)
{
fprintf (output, " char *rc = c, *rip = ip;\n");
}
if (lookahead_in_alt (SON (ulhs)))
fprintf (output, " char *lkh;\n");
if (BROTHER (SON (ulhs)) != nil)
fprintf (output, " int cut_set = 0;\n");
fprintf (output, " int ltr=level++;\n");
if (trace_flag)
fprintf (output, " char *pntnamesv = pntname; char *ntname = \"%s\";\n", FREPR (ulhs));
else if (errormsg_flag)
{
int mem = SON (SON (ulhs));
if (mem != nil && DEF (mem) == equal)
fprintf (output, " char *pntnamesv = pntname; char *ntname = \"%s\"; int lsave = level+10;\n", FREPR (ulhs));
else
fprintf (output, " char *pntnamesv = pntname; char *ntname = \"%s\"; int lsave = level++;\n", FREPR (ulhs));
}
if (stat_flag)
{
fprintf (output, " int s1 = stat_count++;\n");
}
save_lattice_afx ();
if (tail_recursion_elimination ())
fprintf (output, " label_%d:\n\n", ulhs);
}
get_last_but_cut_mem (mem)
{
if (mem == nil)
return nil;
if (BROTHER (mem) == nil)
return mem;
for (; BROTHER (mem) != nil && BROTHER (BROTHER (mem)) != nil; mem = BROTHER (mem));
if (DEF (BROTHER (mem)) == cut)
return mem;
return BROTHER (mem);
}
tail_recursion_elimination ()
{
int alt;
int tre = 0;
if (no_recursion_elm_flag)
return false;
for (alt = SON (ulhs); alt != nil; alt = BROTHER (alt))
{
int mem = SON (alt);
if (mem == nil)
continue;
if (FLAG_MARKED (alt, no_tail_recursion_opt_f))
continue;
mem = get_last_but_cut_mem (mem);
if (DEF (mem) == ulhs)
{
FLAG_SET (alt, tail_recursion_opt_f);
FLAG_SET (mem, tail_recursion_opt_f);
tre = 1;
}
}
return tre;
}
det_rule_tail ()
{
int last_alt;
for (last_alt = SON (ulhs); BROTHER (last_alt) != nil; last_alt = BROTHER (last_alt));
if (SON (last_alt) == nil)
{
fprintf (output, " \n}\n");
return;
}
if (trace_flag)
{
if (errormsg_flag)
fprintf (output, " set_errmsg(ntname);\n");
fprintf (output, " endtrace(parsecount,pntnamesv,ntname); level=ltr;");
}
else if (errormsg_flag)
{
fprintf (output, " set_errmsg(ntname);\n");
fprintf (output, " level = lsave;\n");
}
/*
*/
if (stat_flag)
fprintf (output, " stat_tab[%ld] += stat_count - s1;\n", COUNT (ulhs));
fprintf (output, " return false;\n}\n");
}
det_get_affixes (afx)
int afx;
{
int affix = afx, count = 0;
if (afx == nil)
{
fprintf (output, ")\n");
return;
}
for (; affix != nil; affix = BROTHER (affix))
if (BROTHER (affix) != nil)
fprintf (output, "A_%d,", count++);
else
fprintf (output, "A_%d)\n", count++);
count = 0;
for (affix = afx; affix != nil; affix = BROTHER (affix))
fprintf (output, " register AFFIX A_%d;\n", count++);
}
det_rule_alts (alt)
{
int affix = (AFFIXDEF (alt)), rule = ulhs;
if (trace_flag)
trace_code (MARKED (rule, built_aliased), affix);
for (; alt != nil; alt = BROTHER (alt))
{
fprintf (output, " {\n");
det_alt_code (alt);
fprintf (output, " }\n");
if (BROTHER (alt) != nil)
{
fprintf (output, " ip = rip; c = rc; af = raf;\n");
if (trace_flag)
fprintf (output, " level=ltr+1;\n");
restore_lattice_afx ();
if (trace_flag)
{
fprintf (output, " if (cut_set) {\n");
if (stat_flag)
fprintf (output, " stat_tab[%d] += stat_count-s1;\n", COUNT (ulhs));
fprintf (output, " endtrace(parsecount,pntnamesv,ntname);");
if (errormsg_flag)
fprintf (output, " set_errmsg(ntname);\n");
fprintf (output, " return false;\n}\n");
}
else
{
if (errormsg_flag)
fprintf (output, " if (cut_set) { level=lsave;set_errmsg(ntname);return false;}\n");
if (stat_flag)
fprintf (output, " if (cut_set) { stat_tab[%d] += stat_count-s1;return false;}\n", COUNT (ulhs));
else
fprintf (output, " if (cut_set) return false;\n");
}
}
}
}
det_define_all_derived_affixes (alt)
int alt;
{
int affix, mem;
for (mem = SON (alt); mem != nil; mem = BROTHER (mem))
for (affix = AFFIXTREE (mem); affix != nil; affix = BROTHER (affix))
{
int term = SON (affix);
if (NODENAME (affix) == derived)
if ((APPLY_BOUND_AFFIX (term)) && (!IS_LEFTDEF (term)))
fprintf (output, " AFFIX a_%s = (raf+%d);\n", REPR (term), ++oCount);
if ((LATTICE (affix)) && (!IS_LEFTDEF (term)))
fprintf (output, " AFFIX a_%s = (raf+%d);\n", REPR (term), ++oCount);
}
}
det_initialize_all_derived_affixes (alt)
int alt;
{
int affix, mem;
for (mem = SON (alt); mem != nil; mem = BROTHER (mem))
for (affix = AFFIXTREE (mem); affix != nil; affix = BROTHER (affix))
{
int term = SON (affix);
if (NODENAME (affix) == derived)
{
if ((IS_LEFTDEF (term)) && (NODENAME (term) == affixnt))
{
if (ISNT_DONTCARE (term))
fprintf (output, " A_%ld->t = undefined;\n", LEFTDEF (term));
}
else
fprintf (output, " a_%s->t = undefined;\n", REPR (term));
}
}
}
det_nice_lift_tree (lt, rt)
int lt, rt;
{
int term;
if (lt == rt)
return;
term = BROTHER (lt);
if (term == rt)
{
if (NODENAME (lt) == affixtm)
{
aCount += 1;
fprintf (output, "(raf+%d)->t = \"%s\",(raf+%d)->l = nil,(raf+%d)->r = nil,", aCount, REPR (lt), aCount, aCount);
}
return;
}
else if ((BROTHER (term) == rt) && (NODENAME (term) != affixtm))
{
aCount += 1;
if (NODENAME (lt) == affixtm)
{
if (IS_LEFTDEF (term))
fprintf (output,
"(raf+%d)->t = \"%s\",(raf+%d)->l = nil,(raf+%d)->r = A_%ld,",
aCount, REPR (lt), aCount, aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, "(raf+%d)->t = \"%s\",(raf+%d)->l = nil,(raf+%d)->r = &a_%s,",
aCount, REPR (lt), aCount, aCount, REPR (term));
else
fprintf (output, "(raf+%d)->t = \"%s\",(raf+%d)->l = nil,(raf+%d)->r = a_%s,",
aCount, REPR (lt), aCount, aCount, REPR (term));
}
else if (IS_LEFTDEF (lt))
{
if (IS_LEFTDEF (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = A_%ld,(raf+%d)->r = A_%d,",
aCount, aCount, LEFTDEF (lt), aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = A_%d,(raf+%d)->r = &a_%s,",
aCount, aCount, LEFTDEF (lt), aCount, REPR (term));
else
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = A_%ld,(raf+%d)->r = a_%s,",
aCount, aCount, LEFTDEF (lt), aCount, REPR (term));
}
else if (META (lt))
{
if (IS_LEFTDEF (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = &a_%s,(raf+%d)->r = A_%ld,",
aCount, aCount, REPR (lt), aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = &a_%s,(raf+%d)->r = &a_%s,",
aCount, aCount, REPR (lt), aCount, REPR (term));
else
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = &a_%s,(raf+%d)->r = a_%s,",
aCount, aCount, REPR (lt), aCount, REPR (term));
}
else if (IS_LEFTDEF (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = a_%s,(raf+%d)->r = A_%ld,",
aCount, aCount, REPR (lt), aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = a_%s,(raf+%d)->r = &a_%s,",
aCount, aCount, REPR (lt), aCount, REPR (term));
else
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = a_%s,(raf+%d)->r = a_%s,",
aCount, aCount, REPR (lt), aCount, REPR (term));
return;
}
if (NODENAME (lt) != affixtm)
{
aCount += 1;
if (IS_LEFTDEF (lt))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = A_%ld,(raf+%d)->r = (raf+%d),",
aCount, aCount, LEFTDEF (lt), aCount, aCount + 1);
else if (META (lt))
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = /* */ &a_%s,(raf+%d)->r = (raf+%d),",
aCount, aCount, REPR (lt), aCount, aCount + 1);
else
fprintf (output, "(raf+%d)->t = empty,(raf+%d)->l = a_%s,(raf+%d)->r = (raf+%d),",
aCount, aCount, REPR (lt), aCount, aCount + 1);
det_nice_lift_tree (BROTHER (lt), rt);
}
else
{
aCount += 1;
fprintf (output, "(raf+%d)->t = \"%s\",(raf+%d)->l = nil,(raf+%d)->r = (raf+%d),",
aCount, REPR (lt), aCount, aCount, aCount + 1);
det_nice_lift_tree (BROTHER (lt), rt);
}
}
tail_recursion_elm_mem_affix_code (affix)
int affix;
{
int position;
for (position = 0; affix != nil; affix = BROTHER (affix), ++position)
{
int term = SON (affix);
if (NODENAME (affix) == inherited)
{
if (BROTHER (term) != nil)
{
int this_a_count = aCount + 1;
fprintf (output, " A_%d = (", position);
det_nice_lift_tree (term, nil);
fprintf (output, " (raf+%d));", this_a_count);
}
else if (NODENAME (term) == affixtm)
{
aCount += 1;
fprintf (output,
" A_%d = ((raf+%d)->t = \"%s\", (raf+%d)->l = nil, (raf+%d)->r = nil,(raf+%d));",
position, aCount, REPR (term), aCount, aCount, aCount);
}
else if (IS_LEFTDEF (term))
{
if (position != LEFTDEF (term))
fprintf (output, " A_%d = A_%ld;", position, LEFTDEF (term));
}
else if (META (term))
fprintf (output, " A_%d = & a_%s;", position, REPR (term));
else
fprintf (output, " A_%d = a_%s;", position, REPR (term));
}
else if (NODENAME (affix) == derived)
{
if (IS_LEFTDEF (term))
{
if (position != LEFTDEF (term))
fprintf (output, " A_%d = A_%ld;", position, LEFTDEF (term));
}
else
fprintf (output, " A_%d = a_%s;", position, REPR (term));
}
}
}
det_code_lifted_affixes (affix)
int affix;
{
fprintf (output, "(");
for (; affix != nil; affix = BROTHER (affix))
{
int term = SON (affix);
if (NODENAME (affix) == inherited)
{
if (BROTHER (term) != nil)
{
int this_a_count = aCount + 1;
fprintf (output, "(");
det_nice_lift_tree (term, nil);
fprintf (output, " (raf+%d))", this_a_count);
}
else if (NODENAME (term) == affixtm)
{
aCount += 1;
fprintf (output,
" ((raf+%d)->t = \"%s\", (raf+%d)->l = nil, (raf+%d)->r = nil,(raf+%d))",
aCount, REPR (term), aCount, aCount, aCount);
}
else if (IS_LEFTDEF (term))
fprintf (output, " A_%ld", LEFTDEF (term));
else if (META (term))
fprintf (output, " & a_%s", REPR (term));
else
fprintf (output, " a_%s", REPR (term));
}
else
{
if (IS_LEFTDEF (term))
fprintf (output, " A_%ld", LEFTDEF (term));
else if (META (term))
fprintf (output, " & a_%s", REPR (term));
else
fprintf (output, " a_%s", REPR (term));
}
if (BROTHER (affix) != nil)
fprintf (output, ",");
}
fprintf (output, ")");
}
det_result_code (alt)
int alt;
{
int affix, count = 0;
for (affix = AFFIXDEF (alt); affix != nil; affix = BROTHER (affix))
{
if (NODENAME (affix) == derived)
{
int term = SON (affix);
if (BROTHER (term) == nil)
{
if (NODENAME (term) == affixtm)
fprintf (output, " A_%d->t = \"%s\"; A_%d->l = nil; A_%d->r = nil;\n", count, REPR (term), count, count);
else if (IS_LEFTDEF (term) && LEFTDEF(term) != count)
fprintf (output, "MAKE(A_%d,A_%ld);\n ", count, LEFTDEF (term));
else if (FREE_AFFIX (term))
{
#ifndef NO_COPY_STRUCT
fprintf (output, " *A_%d = a_%s;", count, REPR (term));
#else
fprintf (output, " A_%d->t = a_%s.t;", count, REPR (term));
fprintf (output, "A_%d->r = a_%s.r;", count, REPR (term));
fprintf (output, "A_%d->l = a_%s.l;\n", count, REPR (term));
#endif
}
}
else
{
int this_a_count = aCount + 1, bterm = BROTHER (term);
if (BROTHER (bterm) == nil)
{
if ((NODENAME (term) == affixtm) && (NODENAME (bterm) == affixtm))
{
aCount += 1;
fprintf (output, " (raf+%d)->t = \"%s\";", this_a_count, REPR (bterm));
fprintf (output, "(raf+%d)->l = nil;", this_a_count);
fprintf (output, "(raf+%d)->r = nil;\n", this_a_count);
fprintf (output, " A_%d->t = \"%s\";", count, REPR (term));
fprintf (output, "A_%d->r = (raf+%d);", count, this_a_count);
fprintf (output, "A_%d->l = nil;", count);
}
else if ((NODENAME (term) != affixtm) && (NODENAME (bterm) == affixtm))
{
aCount += 1;
fprintf (output, " (raf+%d)->t = \"%s\";", this_a_count, REPR (bterm));
fprintf (output, "(raf+%d)->l = nil;", this_a_count);
fprintf (output, "(raf+%d)->r = nil;\n", this_a_count);
if (IS_LEFTDEF (term))
fprintf (output, " A_%d->l = A_%ld;", count, LEFTDEF (term));
else if (META (term))
fprintf (output, " A_%d->l = &a_%s;", count, REPR (term));
else
fprintf (output, " A_%d->l = a_%s;", count, REPR (term));
fprintf (output, "A_%d->r = (raf+%d);", count, this_a_count);
fprintf (output, "A_%d->t = empty;\n", count);
}
else if ((NODENAME (term) == affixtm) && (NODENAME (bterm) != affixtm))
{
fprintf (output, " A_%d->t = \"%s\";", count, REPR (term));
if (IS_LEFTDEF (bterm))
fprintf (output, "A_%d->r = A_%ld;", count, LEFTDEF (bterm));
else if (META (bterm))
fprintf (output, " A_%d->r = &a_%s;", count, REPR (bterm));
else
fprintf (output, "A_%d->r = a_%s;", count, REPR (bterm));
fprintf (output, "A_%d->l = nil;\n", count);
}
else
{
fprintf (output, " A_%d->t = empty;", count);
if (IS_LEFTDEF (term))
fprintf (output, "A_%d->l = A_%ld;", count, LEFTDEF (term));
else if (META (term))
fprintf (output, "A_%d->l = &a_%s;", count, REPR (term));
else
fprintf (output, "A_%d->l = a_%s;", count, REPR (term));
if (IS_LEFTDEF (bterm))
fprintf (output, "A_%d->r = A_%d;\n", count, LEFTDEF (bterm));
else if (META (bterm))
fprintf (output, "A_%d->r = /* */ &a_%s;\n", count, REPR (bterm));
else
fprintf (output, "A_%d->r = a_%s;\n", count, REPR (bterm));
}
}
else if (NODENAME (term) != affixtm)
{
det_nice_tree (bterm, nil);
fprintf (output, " A_%d->t = empty;", count);
fprintf (output, "A_%d->r = (raf+%d);", count, this_a_count);
if (IS_LEFTDEF (term))
fprintf (output, "A_%d->l = A_%ld;\n", count, LEFTDEF (term));
else if (META (term))
fprintf (output, "A_%d->l = & a_%s;\n", count, REPR (term));
else
fprintf (output, "A_%d->l = a_%s;\n", count, REPR (term));
}
else
{
det_nice_tree (bterm, nil);
fprintf (output, " A_%d->t = \"%s\";", count, REPR (term));
fprintf (output, "A_%d->r = (raf+%d);", count, this_a_count);
fprintf (output, "A_%d->l = nil;\n", count);
}
}
}
else if (LATTICE (affix))
if (NODENAME (SON (affix)) == affixtm)
{
int term = SON (affix);
fprintf (output, " A_%d->t = (char *) 0X%x;\n", count, NODENAME (LATTICE_DEF (term)));
}
count += 1;
}
}
det_alt_code (alt)
int alt;
{
int mem;
oCount = 0;
det_alt_intermediate_defs (alt);
aCount = 0;
det_define_all_derived_affixes (alt);
if (FLAG_MARKED (alt, freestacks_f))
{
fprintf (output, " char *svc;\n");
fprintf (output, " AFFIX sva;\n");
}
det_initialize_all_derived_affixes (alt);
if (oCount > 0)
{
fprintf (output, " if ((af+%d) > afx_top ) afx_overflow();\n", oCount);
fprintf (output, " af = (raf+%d);\n", oCount);
}
if (FLAG_MARKED (alt, freestacks_f))
{
fprintf (output, " svc = c; sva = af;\n");
}
det_lift_code (alt);
fprintf (output, " {\n");
det_result_code (alt);
/* tail recursion elimination */
if (BROTHER (SON (ulhs)) != nil)
if (FLAG_MARKED (alt, tail_recursion_opt_f))
{
if (FLAG_MARKED (alt, freestacks_f))
{
/* if no results are used affix and sting stacks can be popped to the beginning of the computation */
fprintf (output, " af = raf; c = rc; cut_set = 0; rip = ip;\n");
}
else
{
/* we can do tail recursion elimination but no affix and string space can be saved. */
fprintf (output, " raf = af; rc = c; cut_set = 0; rip = ip;\n");
}
tail_recursion_elm_mem_affix_code (AFFIXTREE (get_last_but_cut_mem (SON (alt))));
fprintf (output, " goto label_%d;\n }\n", ulhs);
return;
}
/* end tail recursion elimination */
if (FLAG_MARKED (alt, freestacks_f))
{
fprintf (output, " c = svc; af = sva;\n");
}
if (trace_flag)
fprintf (output, " pntname=pntnamesv;\n");
fprintf (output, " return true;\n }\n");
}
det_lift_code (alt)
int alt;
{
int mem = SON (alt);
mems_lifted = false;
if ((mem == nil) || (!lift_element (mem)))
return;
for (mem = SON (alt); (mem != nil) && (lift_element (mem)); mem = BROTHER (mem))
{
if (LKH (mem))
fprintf (output, " if ((lkh = ip))\n");
if (TERMINAL (mem))
det_code_lifted_terminal (mem, AFFIXTREE (mem));
else
{
if (DEF (mem) == cut)
{
if (BROTHER (mem) != nil)
fprintf (output, " if ((cut_set = 1))\n");
}
else if (FLAG_MARKED (mem, tail_recursion_opt_f))
return; /* this is a member optimized for tail recursion */
else if (DEF (mem) == unpair || DEF (mem) == where || DEF (mem) == pair)
{
char uc[12];
char *s, *d;
for (s = REPR (mem), d = uc; *s;)
*d++ = toupper ((unsigned char) *s++);
*d = '\0';
fprintf (output, " if (%s", uc);
det_code_lifted_affixes (AFFIXTREE (mem));
fprintf (output, ")\n");
}
else if (!MARKED (DEF (mem), external))
{
fprintf (output, " if ( D_%d", DEF (mem));
det_code_lifted_affixes (AFFIXTREE (mem));
fprintf (output, ")\n");
}
else
{
fprintf (output, " if ( D%s", REPR (mem));
det_code_lifted_affixes (AFFIXTREE (mem));
fprintf (output, ")\n");
}
}
if (LKH (mem))
fprintf (output, " if ((ip = lkh))\n");
}
}
det_code_lifted_terminal (termi, afx)
int termi, afx;
{
int trm;
if (STRING (termi))
return fprintf (output, " if (Dterminal_(\"%s\"))\n", REPR (termi));
trm = SON (afx);
if (IS_DONTCARE (trm))
return fprintf (output, " if ( D_%ld())\n", termi);
if (IS_LEFTDEF (trm))
return fprintf (output, " if ( D_%ld(A_%ld))\n", termi, LEFTDEF (trm));
fprintf (output, " if ( D_%ld(a_%s))\n", termi, REPR (trm));
}
det_alt_intermediate_defs (alt)
int alt;
{
int mem = SON (alt), count;
aCount = 0;
highest_tempory = 0;
result_intermediate_defs (alt);
if (mem == nil);
else if (BROTHER (mem) == nil)
affix_intermediate_defs (mem);
else
{
mems_intermediate_defs (BROTHER (mem));
affix_intermediate_defs (mem);
}
if (highest_tempory > aCount)
aCount = highest_tempory;
oCount = aCount;
}
det_nice_tree (lt, rt)
int lt, rt;
{
int term;
if (lt == rt)
return;
term = BROTHER (lt);
if (term == rt)
{
if (NODENAME (lt) == affixtm)
{
aCount += 1;
fprintf (output, " (raf+%d)->t = \"%s\"; (raf+%d)->l = nil; (raf+%d)->r = nil;\n",
aCount, REPR (lt), aCount, aCount);
}
return;
}
else if ((BROTHER (term) == rt) && (NODENAME (term) != affixtm))
{
aCount += 1;
if (NODENAME (lt) == affixtm)
{
if (IS_LEFTDEF (term))
fprintf (output, " (raf+%d)->t = \"%s\"; (raf+%d)->l = nil; (raf+%d)->r = A_%ld;\n",
aCount, REPR (lt), aCount, aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, " (raf+%d)->t = \"%s\"; (raf+%d)->l = nil; (raf+%d)->r = &a_%s;\n",
aCount, REPR (lt), aCount, aCount, REPR (term));
else
fprintf (output, " (raf+%d)->t = \"%s\"; (raf+%d)->l = nil; (raf+%d)->r = a_%s;\n",
aCount, REPR (lt), aCount, aCount, REPR (term));
}
else if (IS_LEFTDEF (lt))
{
if (IS_LEFTDEF (term))
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = A_%d; (raf+%d)->r = A_%ld;\n",
aCount, aCount, LEFTDEF (lt), aCount, LEFTDEF (term));
else if (META (term))
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = A_%d; (raf+%d)->r = &a_%s;\n",
aCount, aCount, LEFTDEF (lt), aCount, REPR (term));
else
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = A_%d; (raf+%d)->r = a_%s;\n",
aCount, aCount, LEFTDEF (lt), aCount, REPR (term));
}
else if (IS_LEFTDEF (term))
{
if (META (lt))
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = &a_%s; (raf+%d)->r = A_%ld;\n",
aCount, aCount, REPR (lt), aCount, LEFTDEF (term));
else
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = a_%s; (raf+%d)->r = A_%ld;\n",
aCount, aCount, REPR (lt), aCount, LEFTDEF (term));
}
else if (META (term))
{
if (META (lt))
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = &a_%s; (raf+%d)->r = &a_%s;\n",
aCount, aCount, REPR (lt), aCount, REPR (term));
else
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = a_%s; (raf+%d)->r = &a_%s;\n",
aCount, aCount, REPR (lt), aCount, REPR (term));
}
else
{
if (META (lt))
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = &a_%s; (raf+%d)->r = a_%s;\n",
aCount, aCount, REPR (lt), aCount, REPR (term));
else
fprintf (output, " (raf+%d)->t = empty; (raf+%d)->l = a_%s; (raf+%d)->r = a_%s;\n",
aCount, aCount, REPR (lt), aCount, REPR (term));
}
return;
}
if (NODENAME (lt) != affixtm)
{
aCount += 1;
if (IS_LEFTDEF (lt))
fprintf (output, " (raf+%d)->t = empty;(raf+%d)->l = A_%ld;(raf+%d)->r = (raf+%d);\n",
aCount, aCount, LEFTDEF (lt), aCount, aCount + 1);
else if (META (lt))
fprintf (output, " (raf+%d)->t = empty;(raf+%d)->l = &a_%s;(raf+%d)->r = (raf+%d);\n",
aCount, aCount, REPR (lt), aCount, aCount + 1);
else
fprintf (output, " (raf+%d)->t = empty;(raf+%d)->l = a_%s;(raf+%d)->r = (raf+%d);\n",
aCount, aCount, REPR (lt), aCount, aCount + 1);
det_nice_tree (BROTHER (lt), rt);
}
else
{
aCount += 1;
fprintf (output, " (raf+%d)->t = \"%s\";(raf+%d)->l = nil;(raf+%d)->r = (raf+%d);\n",
aCount, REPR (lt), aCount, aCount, aCount + 1);
det_nice_tree (BROTHER (lt), rt);
}
}
nondet_code ()
{
if (MARKED (ulhs, external))
fprintf (output, "void U%s () { register cont *rq = q;\n", REPR (ulhs));
else
fprintf (output, "static void U%d(){register cont *rq = q;\n", ulhs);
fprintf (output, "char *rc =c , *rip = ip;\n");
get_affixes (AFFIXDEF (SON (ulhs)), 0);
qCount = nraffixes;
if (MARKED (ulhs, external))
fprintf (output, " if (D%s(", REPR (ulhs));
else
fprintf (output, " if (D_%d(", ulhs);
det_call (AFFIXDEF (SON (ulhs)));
if (memo_flag)
fprintf (output, " { q=rq+%d;(*(rq+%d)->q)();rq=q- %d;}\n", qCount - 1, qCount, qCount);
else
fprintf (output, " { q = rq+%d;(*(rq+%d)->q)();}\n", qCount - 1, qCount);
fprintf (output, "c = rc; ip =rip;\n");
push_affixes (AFFIXDEF (SON (ulhs)), 0);
if (MARKED (ulhs, external))
fprintf (output, " (rq+1)-> q = U%s; q = rq+1; }\n", REPR (ulhs));
else
fprintf (output, " (rq+1)-> q = U%d; q = rq+1; }\n", ulhs);
}
det_call (afx)
int afx;
{
int affix = afx, count = 0;
if (afx == nil)
{
fprintf (output, "))");
return;
}
for (; affix != nil; affix = BROTHER (affix))
if (BROTHER (affix) != nil)
fprintf (output, "A_%d,", count++);
else
fprintf (output, "A_%d))\n", count++);
}
nondet_builtin_code ()
{
int ulhs;
for (ulhs = laststdpred; ulhs != nil; ulhs = BROTHER (ulhs))
{
fprintf (output, "void U%s () { register cont *rq = q;\n", REPR (ulhs));
get_affixes (AFFIXDEF (SON (ulhs)), 0);
qCount = nraffixes;
fprintf (output, " if ( D%s (", REPR (ulhs));
det_call (AFFIXDEF (SON (ulhs)));
fprintf (output, " { \n");
fprintf (output, " q = rq+ %d;(*(rq+%d)->q)(); rq = q- %d;\n", qCount - 1, qCount, qCount);
fprintf (output, " } \n");
push_affixes (AFFIXDEF (SON (ulhs)), 0);
fprintf (output, " (rq+1)-> q = U%s; q = rq+1; }\n\n", REPR (ulhs));
}
}
statistic_table ()
{
int ulhs, rule;
NtCount = 0;
for (rule = root; rule != laststdpred; rule = BROTHER (rule))
COUNT (rule) = NtCount++;
if (!MARKED (root, docompile))
fprintf (output, "extern ");
fprintf (output, "int stat_tab[%d], stat_count;\n", NtCount);
if (!MARKED (root, docompile))
return;
fprintf (output, "char * name_tab[%d] = { \"%s\"", NtCount, FREPR (root));
for (ulhs = BROTHER (root); ulhs != laststdpred; ulhs = BROTHER (ulhs))
{
fprintf (output, ",\n \"%s\"", FREPR (ulhs));
}
fprintf (output, " \n};\n");
fprintf (output, "print_stat() { \n int nr = 0;\n\
for (;nr <= %d; nr++) {\n\
printf(\"%%d.%%s->%%d\\n\",nr,name_tab[nr], stat_tab[nr]);}\n}", NtCount - 1);
}
save_lattice_afx ()
{
int affix = AFFIXDEF (SON (ulhs)), count = 0;
for (; affix != nil; count++, affix = BROTHER (affix))
if (LATTICE (affix))
fprintf (output, " char *LA_%d = A_%d->t;\n", count, count);
}
restore_lattice_afx ()
{
int affix = AFFIXDEF (SON (ulhs)), count = 0;
for (; affix != nil; count++, affix = BROTHER (affix))
if (LATTICE (affix))
fprintf (output, " A_%d->t = LA_%d;\n", count, count);
}
choice_switch_statement_coder ()
{
int rule, alt, mem;
for (rule = root; rule != laststdpred; rule = BROTHER (rule))
if (MARKED (rule, docompile))
for (alt = SON (rule); alt != nil; alt = BROTHER (alt))
for (mem = SON (alt); mem != nil; mem = BROTHER (mem))
{
char *r = REPR (mem);
char choice_trace_txt[255];
char *s;
char *t;
int rep, comp, noargs, always_succeeds;
if (!TERMINAL (mem))
continue;
if (STRING (mem))
continue;
rep = EXCLAMATIONSTARCHOICE (mem) || EXCLAMATIONPLUSCHOICE (mem);
comp = COMPLEMENT (mem);
noargs = IS_DONTCARE (SON (AFFIXTREE (mem)));
always_succeeds = EXCLAMATIONSTARCHOICE (mem);
for (s = REPR (mem), t = &choice_trace_txt[0]; *s;)
{
*t++ = *s;
if (*s == '\\')
{
if (*(s + 1) != '"')
*t++ = *s;
}
s++;
}
*t = '\0';
fprintf (output, "\n/* %s %c{%s}%c */",
FREPR (rule), comp ? '^' : ' ', REPR (mem), always_succeeds ? '*' : rep ? '+' : ' ');
fprintf (output, "\nstatic inline int D_%ld", mem);
if (!noargs)
fprintf (output, "(A0)\nAFFIX A0;\n{");
else
fprintf (output, "()\n{");
if (!always_succeeds)
fprintf (output, "\n char *sip = ip;");
if (trace_flag)
{
fprintf (output, " char *pntnamesv = pntname; char *ntname = \"%c{%s}%c\";int ltr=level++;\n",
comp ? '^' : ' ', choice_trace_txt, always_succeeds ? '*' : rep ? '+' : ' ');
if (!always_succeeds)
{
fprintf (output, " begin1_trace(ntname);\n");
fprintf (output, " begin2_trace(ntname);\n");
}
}
if (!noargs)
fprintf (output, "\n A0->t = c; A0->l = nil;A0->r = nil;");
if (rep)
fprintf (output, "\nagain_%ld:", mem);
fprintf (output, "\n switch (*ip)\n {");
fprintf (output, "\n case '\\0':");
if (*r)
fprintf (output, " break;");
while (*r)
{
fprintf (output, "\n case '");
if (*r == '\\')
{
if (*++r != '"')
fprintf (output, "\\");
}
else if (*r == '\'')
{
fprintf (output, "\\");
}
fprintf (output, "%c':", *r++);
}
if (comp)
{
if (noargs)
fprintf (output, "break;\n default: ip++;\n");
else
fprintf (output, "break;\n default: *c++ = *ip++;\n");
if (rep)
fprintf (output, " goto again_%d;\n", mem);
}
else
{
if (noargs)
fprintf (output, "ip++;\n");
else
fprintf (output, "*c++ = *ip++;\n");