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* src/muscle_tab.c (muscle_grow): Remove trailing debugging code.

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* data/glr.c (YY_USER_FORMALS, YY_USER_ARGS): New.
(yyuserAction, yydoAction, yyglrReduce, yyresolveValue)
(yyresolveStates, yyresolveAction, yyresolveStack)
(yyprocessOneStack): Use them.
(yy_reduce_print): New.
* tests/calc.at (_AT_DATA_CALC_Y): Exercise %parse-param.
This commit is contained in:
Akim Demaille
2002-10-20 16:09:47 +00:00
parent 0245f82d31
commit e7cb57c0b8
4 changed files with 101 additions and 57 deletions
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28
tests/calc.at
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@@ -53,14 +53,21 @@ AT_DATA([calc.y],
char *strcat(char *dest, const char *src);
#endif
#include <ctype.h>
#include <assert.h>
extern void perror (const char *s);
/* Exercise pre-prologue dependency to %union. */
typedef int value_t;
value_t global_result = 0;
int global_count = 0;
%}
%parse-param "value_t *result", "result"
%parse-param "int *count", "count"
/* Exercise %union. */
%union
{
@@ -120,12 +127,12 @@ static void yyungetc (LEX_PRE_FORMALS int c);
%%
input:
line
| input line
| input line { ++*count; ++global_count; }
;
line:
'\n'
| exp '\n'
| exp '\n' { *result = global_result = $1; }
;
exp:
@@ -134,7 +141,7 @@ exp:
{
if ($1 != $3)
fprintf (stderr, "calc: error: %d != %d\n", $1, $3);
$$ = $1 == $3;
$$ = $1;
}
| exp '+' exp { $$ = $1 + $3; }
| exp '-' exp { $$ = $1 - $3; }
@@ -286,6 +293,8 @@ power (int base, int exponent)
int
main (int argc, const char **argv)
{
value_t result = 0;
int count = 0;
yyin = NULL;
if (argc == 2)
@@ -302,7 +311,10 @@ main (int argc, const char **argv)
#if YYDEBUG
yydebug = 1;
#endif
yyparse ();
yyparse (&result, &count);
assert (global_result == result);
assert (global_count == count);
return 0;
}
]])
@@ -435,7 +447,8 @@ _AT_CHECK_CALC([$1],
1 - (2 - 3) = 2
2^2^3 = 256
(2^2)^3 = 64], [486])
(2^2)^3 = 64],
[486])
# Some parse errors.
_AT_CHECK_CALC_ERROR([$1], [0 0], [11],
@@ -463,11 +476,6 @@ _AT_CHECK_CALC_ERROR([$1], [(1 ++ 2) + (0 0) = 1], [82],
1.15-1.16: parse error, unexpected "number"
calc: error: 0 != 1])
# Add a studid example demonstrating that Bison can further improve the
# error message. FIXME: Fix this ridiculous message.
_AT_CHECK_CALC_ERROR([$1], [()], [21],
[1.2-1.3: parse error, unexpected ')', expecting "number" or '-' or '('])
AT_CLEANUP
])# AT_CHECK_CALC