mirror of
https://git.savannah.gnu.org/git/bison.git
synced 2026-03-09 20:33:03 +00:00
(output_headers, output_trailers, output, output_gram)
(output_rule_data): Implement noparserflag variable. Implement toknumflag variable. (output): Call reader_output_yylsp to output LTYPESTR.
This commit is contained in:
104
src/output.c
104
src/output.c
@@ -1,5 +1,5 @@
|
||||
/* Output the generated parsing program for bison,
|
||||
Copyright (C) 1984, 1986, 1989 Free Software Foundation, Inc.
|
||||
Copyright (C) 1984, 1986, 1989, 1992 Free Software Foundation, Inc.
|
||||
|
||||
This file is part of Bison, the GNU Compiler Compiler.
|
||||
|
||||
@@ -34,10 +34,13 @@ Output the parsing tables and the parser code to ftable.
|
||||
|
||||
The parser tables consist of these tables.
|
||||
Starred ones needed only for the semantic parser.
|
||||
Double starred are output only if switches are set.
|
||||
|
||||
yytranslate = vector mapping yylex's token numbers into bison's token numbers.
|
||||
|
||||
yytname = vector of string-names indexed by bison token number
|
||||
** yytname = vector of string-names indexed by bison token number
|
||||
|
||||
** yytoknum = vector of yylex token numbers corresponding to entries in yytname
|
||||
|
||||
yyrline = vector of line-numbers of all rules. For yydebug printouts.
|
||||
|
||||
@@ -74,9 +77,10 @@ yypact[s] = index in yytable of the portion describing state s.
|
||||
|
||||
yypgoto[i] = the index in yytable of the portion describing
|
||||
what to do after reducing a rule that derives variable i + ntokens.
|
||||
This portion is indexed by the parser state number
|
||||
This portion is indexed by the parser state number, s,
|
||||
as of before the text for this nonterminal was read.
|
||||
The value from yytable is the state to go to.
|
||||
The value from yytable is the state to go to if
|
||||
the corresponding value in yycheck is s.
|
||||
|
||||
yytable = a vector filled with portions for different uses,
|
||||
found via yypact and yypgoto.
|
||||
@@ -109,8 +113,11 @@ YYNTBASE = ntokens.
|
||||
|
||||
extern int debugflag;
|
||||
extern int nolinesflag;
|
||||
extern int noparserflag;
|
||||
extern int toknumflag;
|
||||
|
||||
extern char **tags;
|
||||
extern int *user_toknums;
|
||||
extern int tokensetsize;
|
||||
extern int final_state;
|
||||
extern core **state_table;
|
||||
@@ -154,6 +161,8 @@ int pack_vector();
|
||||
|
||||
extern void berror();
|
||||
extern void fatals();
|
||||
extern char *int_to_string();
|
||||
extern void reader_output_yylsp();
|
||||
|
||||
static int nvectors;
|
||||
static int nentries;
|
||||
@@ -192,6 +201,10 @@ output_headers()
|
||||
{
|
||||
if (semantic_parser)
|
||||
fprintf(fguard, GUARDSTR, attrsfile);
|
||||
|
||||
if (noparserflag)
|
||||
return;
|
||||
|
||||
fprintf(faction, (semantic_parser ? ACTSTR : ACTSTR_SIMPLE), attrsfile);
|
||||
/* if (semantic_parser) JF moved this below
|
||||
fprintf(ftable, "#include \"%s\"\n", attrsfile);
|
||||
@@ -216,12 +229,16 @@ void
|
||||
output_trailers()
|
||||
{
|
||||
if (semantic_parser)
|
||||
{
|
||||
fprintf(fguard, "\n }\n}\n");
|
||||
fprintf(faction, "\n }\n}\n");
|
||||
}
|
||||
else
|
||||
fprintf(faction, "\n}\n");
|
||||
|
||||
fprintf(faction, "\n");
|
||||
|
||||
if (noparserflag)
|
||||
return;
|
||||
|
||||
if (semantic_parser)
|
||||
fprintf(faction, " }\n");
|
||||
fprintf(faction, "}\n");
|
||||
}
|
||||
|
||||
|
||||
@@ -237,14 +254,16 @@ output()
|
||||
while ((c=getc(fattrs))!=EOF)
|
||||
putc(c,ftable);
|
||||
}
|
||||
|
||||
reader_output_yylsp(ftable);
|
||||
if (debugflag)
|
||||
fprintf(ftable, "#ifndef YYDEBUG\n#define YYDEBUG %d\n#endif\n\n",
|
||||
!!debugflag);
|
||||
|
||||
if (semantic_parser)
|
||||
fprintf(ftable, "#include \"%s\"\n", attrsfile);
|
||||
fprintf(ftable, "#include <stdio.h>\n\n");
|
||||
|
||||
if (! noparserflag)
|
||||
fprintf(ftable, "#include <stdio.h>\n\n");
|
||||
|
||||
/* Make "const" do nothing if not in ANSI C. */
|
||||
fprintf (ftable, "#ifndef __cplusplus\n#ifndef __STDC__\n#define const\n#endif\n#endif\n\n");
|
||||
@@ -260,7 +279,8 @@ output()
|
||||
output_stos();
|
||||
output_rule_data();
|
||||
output_actions();
|
||||
output_parser();
|
||||
if (! noparserflag)
|
||||
output_parser();
|
||||
output_program();
|
||||
}
|
||||
|
||||
@@ -316,9 +336,10 @@ output_gram()
|
||||
register int j;
|
||||
register short *sp;
|
||||
|
||||
/* With the ordinary parser,
|
||||
yyprhs and yyrhs are needed only for yydebug. */
|
||||
if (!semantic_parser)
|
||||
/* With the ordinary parser,
|
||||
yyprhs and yyrhs are needed only for yydebug. */
|
||||
/* With the noparser option, all tables are generated */
|
||||
if (! semantic_parser && ! noparserflag)
|
||||
fprintf(ftable, "\n#if YYDEBUG != 0");
|
||||
|
||||
fprintf(ftable, "\nstatic const short yyprhs[] = { 0");
|
||||
@@ -368,7 +389,7 @@ output_gram()
|
||||
|
||||
fprintf(ftable, "\n};\n");
|
||||
|
||||
if(!semantic_parser)
|
||||
if (! semantic_parser && ! noparserflag)
|
||||
fprintf(ftable, "\n#endif\n");
|
||||
}
|
||||
|
||||
@@ -409,7 +430,8 @@ output_rule_data()
|
||||
register int i;
|
||||
register int j;
|
||||
|
||||
fprintf(ftable, "\n#if YYDEBUG != 0\nstatic const short yyrline[] = { 0");
|
||||
fprintf(ftable, "\n#if YYDEBUG != 0\n");
|
||||
fprintf(ftable, "static const short yyrline[] = { 0");
|
||||
|
||||
j = 10;
|
||||
for (i = 1; i <= nrules; i++)
|
||||
@@ -428,15 +450,30 @@ output_rule_data()
|
||||
|
||||
fprintf(ftable, "%6d", rline[i]);
|
||||
}
|
||||
fprintf(ftable, "\n};\n#endif\n\n");
|
||||
|
||||
if (toknumflag || noparserflag)
|
||||
{
|
||||
fprintf(ftable, "#define YYNTOKENS %d\n", ntokens);
|
||||
fprintf(ftable, "#define YYNNTS %d\n", nvars);
|
||||
fprintf(ftable, "#define YYNRULES %d\n", nrules);
|
||||
fprintf(ftable, "#define YYNSTATES %d\n", nstates);
|
||||
fprintf(ftable, "#define YYMAXUTOK %d\n\n", max_user_token_number);
|
||||
}
|
||||
|
||||
if (! toknumflag && ! noparserflag)
|
||||
fprintf(ftable, "\n#if YYDEBUG != 0\n\n");
|
||||
|
||||
/* Output the table of symbol names. */
|
||||
|
||||
fprintf(ftable,
|
||||
"\n};\n\nstatic const char * const yytname[] = { \"%s\"",
|
||||
"static const char * const yytname[] = { \"%s\"",
|
||||
tags[0]);
|
||||
|
||||
j = strlen (tags[0]) + 44;
|
||||
for (i = 1; i <= nsyms; i++)
|
||||
for (i = 1; i < nsyms; i++)
|
||||
/* this used to be i<=nsyms, but that output a final "" symbol
|
||||
almost by accident */
|
||||
{
|
||||
register char *p;
|
||||
putc(',', ftable);
|
||||
@@ -488,8 +525,30 @@ output_rule_data()
|
||||
putc ('\"', ftable);
|
||||
j++;
|
||||
}
|
||||
fprintf(ftable, ", NULL\n};\n"); /* add a NULL entry to list of tokens */
|
||||
|
||||
fprintf(ftable, "\n};\n#endif\n\nstatic const short yyr1[] = { 0");
|
||||
if (! toknumflag && ! noparserflag)
|
||||
fprintf(ftable, "#endif\n\n");
|
||||
|
||||
if (toknumflag)
|
||||
{
|
||||
fprintf(ftable, "static const short yytoknum[] = { 0");
|
||||
j = 10;
|
||||
for (i = 1; i <= ntokens; i++) {
|
||||
putc(',', ftable);
|
||||
if (j >= 10)
|
||||
{
|
||||
putc('\n', ftable);
|
||||
j = 1;
|
||||
}
|
||||
else
|
||||
j++;
|
||||
fprintf(ftable, "%6d", user_toknums[i]);
|
||||
}
|
||||
fprintf(ftable, "\n};\n\n");
|
||||
}
|
||||
|
||||
fprintf(ftable, "static const short yyr1[] = { 0");
|
||||
|
||||
j = 10;
|
||||
for (i = 1; i <= nrules; i++)
|
||||
@@ -1131,7 +1190,7 @@ int vector;
|
||||
{
|
||||
loc = j + from[k];
|
||||
if (loc > MAXTABLE)
|
||||
fatals("maximum table size (%d) exceeded",MAXTABLE);
|
||||
fatals("maximum table size (%s) exceeded", int_to_string(MAXTABLE));
|
||||
|
||||
if (table[loc] != 0)
|
||||
ok = 0;
|
||||
@@ -1347,7 +1406,7 @@ output_parser()
|
||||
}
|
||||
|
||||
/* now write out the line... */
|
||||
for ( ; c != '\n' && c != EOF; c = getc(fpars))
|
||||
for (; c != '\n' && c != EOF; c = getc(fpars))
|
||||
if (write_line)
|
||||
if (c == '$')
|
||||
{
|
||||
@@ -1365,7 +1424,6 @@ output_parser()
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
void
|
||||
output_program()
|
||||
{
|
||||
|
||||
Reference in New Issue
Block a user