* src/reader.c, src/symlist.h, src/symlist.c: s/mid_rule/midrule/.

[bison.git] / tests / input.at

diff --git a/tests/input.at b/tests/input.at
index f533ef3a49dd0dd0fcd720a0d3989f2934af4617..cfff34c8741a8b9f3385a6d723a29c9e3c95dbd9 100644 (file)
--- a/tests/input.at
+++ b/tests/input.at
@@ -86,51 +86,80 @@ AT_CLEANUP
 ## Unused values.  ##
 ## --------------- ##
 
-AT_SETUP([Unused values])
+m4_define([AT_CHECK_UNUSED_VALUES],
+[AT_SETUP([Unused values])
 
 AT_DATA([input.y],
 [[%token <integer> INT
 %type <integer> exp
 %%
 exp:
-  INT { } INT { } INT { }
-/* Ideally we would like to complain also about $2 and $4 here, but
-   it's hard to implement.  */
-| INT { $$ } INT { $$ } INT { }
-| INT { $1 } INT { } INT { }
-| INT { } INT { $1 } INT { }
-| INT { } INT {  } INT { $1 }
-| INT { } INT {  } INT { $$ = $1 + $3 + $5; }
+  $1
+| INT
 ;
 ]])
 
 AT_CHECK([bison input.y], [], [],
-[[input.y:5.3-25: warning: unset value: $$
+[[$2]])
+
+AT_CLEANUP
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT { } INT { }],
+[input.y:5.3-25: warning: unset value: $$
 input.y:5.3-25: warning: unused value: $1
 input.y:5.3-25: warning: unused value: $3
 input.y:5.3-25: warning: unused value: $5
-input.y:8.3-31: warning: unset value: $$
-input.y:8.3-31: warning: unused value: $1
-input.y:8.3-31: warning: unused value: $3
-input.y:8.3-31: warning: unused value: $5
-input.y:9.3-28: warning: unset value: $$
-input.y:9.3-28: warning: unused value: $3
-input.y:9.3-28: warning: unused value: $5
-input.y:10.3-28: warning: unset value: $$
-input.y:10.3-28: warning: unused value: $3
-input.y:10.3-28: warning: unused value: $5
-input.y:11.3-29: warning: unset value: $$
-input.y:11.3-29: warning: unused value: $3
-input.y:11.3-29: warning: unused value: $5
-input.y: conflicts: 1 reduce/reduce
-input.y:8.7-12: warning: rule never reduced because of conflicts: @3: /* empty */
-input.y:9.7-12: warning: rule never reduced because of conflicts: @5: /* empty */
-input.y:10.7-9: warning: rule never reduced because of conflicts: @7: /* empty */
-input.y:11.7-9: warning: rule never reduced because of conflicts: @9: /* empty */
-input.y:12.7-9: warning: rule never reduced because of conflicts: @11: /* empty */
-]])
+])
+
+AT_CHECK_UNUSED_VALUES([INT { $1 } INT { } INT { }],
+[input.y:5.3-28: warning: unset value: $$
+input.y:5.3-28: warning: unused value: $3
+input.y:5.3-28: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT { $1 } INT { }],
+[input.y:5.3-28: warning: unset value: $$
+input.y:5.3-28: warning: unused value: $3
+input.y:5.3-28: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT {  } INT { $1 }],
+[input.y:5.3-29: warning: unset value: $$
+input.y:5.3-29: warning: unused value: $3
+input.y:5.3-29: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { } INT {  } INT { $$ = $1 + $3 + $5; }])
+
+# Checking mid-rule values.
+AT_CHECK_UNUSED_VALUES([INT { $$ } INT { $$ } INT { }],
+[input.y:5.3-31: warning: unset value: $$
+input.y:5.3-31: warning: unused value: $1
+input.y:5.3-31: warning: unused value: $2
+input.y:5.3-31: warning: unused value: $3
+input.y:5.3-31: warning: unused value: $4
+input.y:5.3-31: warning: unused value: $5
+])
+
+AT_CHECK_UNUSED_VALUES([INT { $$ } INT { $$ = $2 } INT { }],
+[input.y:5.3-36: warning: unset value: $$
+input.y:5.3-36: warning: unused value: $1
+input.y:5.3-36: warning: unused value: $3
+input.y:5.3-36: warning: unused value: $4
+input.y:5.3-36: warning: unused value: $5
+])
+
+# AT_CHECK_UNUSED_VALUES([INT { $$ } { $$ = $2 } { }],
+# [input.y:5.3-36: warning: unset value: $$
+# input.y:5.3-36: warning: unused value: $1
+# input.y:5.3-36: warning: unused value: $3
+# input.y:5.3-36: warning: unused value: $4
+# input.y:5.3-36: warning: unused value: $5
+# ])
+
+AT_CHECK_UNUSED_VALUES([INT { $$ = $1 } INT { $$ = $2 + $3 } INT { $$ = $4 + $5 }])
 
-AT_CLEANUP
 
 
 ## ---------------------- ##