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📄 ACKNOWLEDGEMENTS(771 B)
📄 AUTHORS(247 B)
📄 CHANGES(150.04 KB)
📄 MANIFEST(41.11 KB)
📄 Makefile.old(1.26 KB)
📄 NEW_FEATURES(2 KB)
📄 NOTES(504 B)
📄 NO_WARRANTY(156 B)
📄 README(1.37 KB)
📄 README.BTYACC(22.02 KB)
📄 VERSION(9 B)
📄 aclocal.m4(51.8 KB)
📄 btyaccpar.c(46.94 KB)
📄 btyaccpar.skel(36.6 KB)
📄 closure.c(4.18 KB)
📄 config.guess(47.31 KB)
📄 config.sub(30.87 KB)
📄 config_h.in(2.66 KB)
📄 configure(205.86 KB)
📄 configure.in(1.57 KB)
📄 defs.h(15.1 KB)
📄 descrip.mms(1.14 KB)
📄 error.c(8.83 KB)
📄 graph.c(1.92 KB)
📄 install-sh(6.96 KB)
📄 lalr.c(10.74 KB)
📄 lr0.c(9.85 KB)
📄 main.c(14.75 KB)
📄 makefile.in(3.39 KB)
📄 mkpar.c(7.71 KB)
📄 mstring.c(3.37 KB)
📄 output.c(40.19 KB)
📁 package
📄 reader.c(67.01 KB)
📄 skel2c(2.81 KB)
📄 symtab.c(1.88 KB)
📁 test
📄 verbose.c(7.37 KB)
📄 vmsbuild.com(5.46 KB)
📄 warshall.c(1.12 KB)
📄 yacc.1(12.82 KB)
📄 yaccpar.c(11.96 KB)
📄 yaccpar.skel(8.83 KB)

Editing: graph.c

/* $Id: graph.c,v 1.8 2014/02/19 00:46:57 Tom.Shields Exp $ */

#include "defs.h"

static void graph_state(int stateno);
static void graph_LA(int ruleno);

static unsigned int larno;

void
graph(void)
{
    int i;
    int j;
    shifts *sp;
    int sn;
    int as;

if (!gflag)
	return;

for (i = 0; i < nstates; ++i)
    {
	closure(state_table[i]->items, state_table[i]->nitems);
	graph_state(i);
    }

fprintf(graph_file, "\n\n");
    for (i = 0; i < nstates; ++i)
    {

sp = shift_table[i];
	if (sp)
	    for (j = 0; j < sp->nshifts; ++j)
	    {
		sn = sp->shift[j];
		as = accessing_symbol[sn];
		fprintf(graph_file,
			"\tq%d -> q%d [label=\"%s\"];\n",
			i, sn, symbol_pname[as]);
	    }
    }

fprintf(graph_file, "}\n");

for (i = 0; i < nsyms; ++i)
	FREE(symbol_pname[i]);
    FREE(symbol_pname);
}

static void
graph_state(int stateno)
{
    Value_t *isp;
    int rule;
    Value_t *sp;
    Value_t *sp1;

larno = (unsigned)lookaheads[stateno];
    fprintf(graph_file, "\n\tq%d [label=\"%d:\\l", stateno, stateno);

for (isp = itemset; isp < itemsetend; isp++)
    {
	sp1 = sp = ritem + *isp;

while (*sp >= 0)
	    ++sp;
	rule = -(*sp);
	fprintf(graph_file, "  %s -> ", symbol_pname[rlhs[rule]]);

for (sp = ritem + rrhs[rule]; sp < sp1; sp++)
	    fprintf(graph_file, "%s ", symbol_pname[*sp]);

putc('.', graph_file);

while (*sp >= 0)
	{
	    fprintf(graph_file, " %s", symbol_pname[*sp]);
	    sp++;
	}

if (*sp1 < 0)
	    graph_LA(-*sp1);

fprintf(graph_file, "\\l");
    }
    fprintf(graph_file, "\"];");
}

static void
graph_LA(int ruleno)
{
    int i;
    unsigned tokensetsize;
    unsigned *rowp;

tokensetsize = (unsigned)WORDSIZE(ntokens);

if (ruleno == LAruleno[larno])
    {
	rowp = LA + larno * tokensetsize;

fprintf(graph_file, " { ");
	for (i = ntokens - 1; i >= 0; i--)
	{
	    if (BIT(rowp, i))
		fprintf(graph_file, "%s ", symbol_pname[i]);
	}
	fprintf(graph_file, "}");
	++larno;
    }
}

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Editing: graph.c

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