#include <stdio.h>
static void yyerror (char const *);
static int yylex (void);
- static void print_look_ahead (char const *);
+ static void print_lookahead (char const *);
#define USE(value)
%}
start:
defstate_init defstate_shift 'b' change_lookahead 'a' {
USE ($3);
- print_look_ahead ("start <- defstate_init defstate_shift 'b'");
+ print_lookahead ("start <- defstate_init defstate_shift 'b'");
}
;
defstate_init:
{
- print_look_ahead ("defstate_init <- empty string");
+ print_lookahead ("defstate_init <- empty string");
}
;
defstate_shift:
nondefstate defstate_look 'a' {
USE ($3);
- print_look_ahead ("defstate_shift <- nondefstate defstate_look 'a'");
+ print_lookahead ("defstate_shift <- nondefstate defstate_look 'a'");
}
;
defstate_look:
{
- print_look_ahead ("defstate_look <- empty string");
+ print_lookahead ("defstate_look <- empty string");
}
;
nondefstate:
{
- print_look_ahead ("nondefstate <- empty string");
+ print_lookahead ("nondefstate <- empty string");
}
| 'b' {
USE ($1);
- print_look_ahead ("nondefstate <- 'b'");
+ print_lookahead ("nondefstate <- 'b'");
}
;
change_lookahead:
}
static void
-print_look_ahead (char const *reduction)
+print_lookahead (char const *reduction)
{
printf ("%s:\n yychar=", reduction);
if (yychar == YYEMPTY)
#include <stdio.h>
static void yyerror (char const *);
static int yylex (void);
- static void print_look_ahead (char const *);
+ static void print_lookahead (char const *);
static char merge (union YYSTYPE, union YYSTYPE);
#define USE(value)
%}
start:
merge 'c' stack_explosion {
USE ($2); USE ($3);
- print_look_ahead ("start <- merge 'c' stack_explosion");
+ print_lookahead ("start <- merge 'c' stack_explosion");
}
;
merge:
nonconflict1 'a' 'b' nonconflict2 %dprec 1 {
USE ($2); USE ($3);
- print_look_ahead ("merge <- nonconflict1 'a' 'b' nonconflict2");
+ print_lookahead ("merge <- nonconflict1 'a' 'b' nonconflict2");
}
| conflict defstate_look 'a' nonconflict2 'b' defstate_shift %dprec 2 {
USE ($3); USE ($5);
- print_look_ahead ("merge <- conflict defstate_look 'a' nonconflict2 'b'"
+ print_lookahead ("merge <- conflict defstate_look 'a' nonconflict2 'b'"
" defstate_shift");
}
;
nonconflict1:
{
- print_look_ahead ("nonconflict1 <- empty string");
+ print_lookahead ("nonconflict1 <- empty string");
}
;
nonconflict2:
{
- print_look_ahead ("nonconflict2 <- empty string");
+ print_lookahead ("nonconflict2 <- empty string");
}
| 'a' {
USE ($1);
- print_look_ahead ("nonconflict2 <- 'a'");
+ print_lookahead ("nonconflict2 <- 'a'");
}
;
conflict:
{
- print_look_ahead ("conflict <- empty string");
+ print_lookahead ("conflict <- empty string");
}
;
defstate_look:
{
- print_look_ahead ("defstate_look <- empty string");
+ print_lookahead ("defstate_look <- empty string");
}
;
/* yychar != YYEMPTY but lookahead need is yyfalse. */
defstate_shift:
{
- print_look_ahead ("defstate_shift <- empty string");
+ print_lookahead ("defstate_shift <- empty string");
}
;
}
static void
-print_look_ahead (char const *reduction)
+print_lookahead (char const *reduction)
{
printf ("%s:\n yychar=", reduction);
if (yychar == YYEMPTY)