%token <ival> NUM "number"
%type <ival> exp
-%nonassoc '=' /* comparison */
+%nonassoc '=' /* comparison */
%left '-' '+'
%left '*' '/'
-%left NEG /* negation--unary minus */
+%precedence NEG /* negation--unary minus */
%right '^' /* exponentiation */
%%
{
if ($l != $r)
fprintf (stderr, "calc: error: %d != %d\n", $l, $r);
- $$ = $l;
+ $$ = $l;
}
| exp[x] '+' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>l + $r; }
| exp[l] '-' exp[r] { $$ = $l - $r; }
%token <ival> NUM "number"
%type <ival> exp
-%nonassoc '=' /* comparison */
+%nonassoc '=' /* comparison */
%left '-' '+'
%left '*' '/'
-%left NEG /* negation--unary minus */
+%precedence NEG /* negation--unary minus */
%right '^' /* exponentiation */
%%
{
if ($l != $r)
fprintf (stderr, "calc: error: %d != %d\n", $l, $r);
- $$ = $l;
+ $$ = $l;
}
| exp[x] '+' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>lo9 + $r; }
| exp[x] '-' { $<ival>$ = $x; } [l] exp[r] { $$ = $<ival>exp - $r; }
AT_BISON_CHECK([-o test.c test.y], 1, [],
[[test.y:50.51-60: error: invalid reference: '$<ival>lo9'
test.y:50.3-68: symbol not found in production: lo9
-test.y:51.51-60: warning: misleading reference: '$<ival>exp'
+test.y:51.51-60: warning: misleading reference: '$<ival>exp' [-Wother]
test.y:42.1-3: refers to: $exp at $$
test.y:51.7: possibly meant: $x, hiding $exp at $1
test.y:51.41: possibly meant: $r, hiding $exp at $4
foo.bar: '2'
]])
AT_BISON_CHECK([-o test.c test.y], 0, [],
-[[test.y:11.22-29: warning: misleading reference: '$foo.bar'
+[[test.y:11.22-29: warning: misleading reference: '$foo.bar' [-Wother]
test.y:11.8-10: refers to: $foo at $1
test.y:11.12-18: possibly meant: $[foo.bar] at $2
]])
;
]])
AT_BISON_CHECK([[test.y]], [[0]], [],
-[[test.y:4.9: warning: stray '$'
-test.y:5.9: warning: stray '@'
+[[test.y:4.9: warning: stray '$' [-Wother]
+test.y:5.9: warning: stray '@' [-Wother]
]])
AT_CLEANUP