AT_SETUP([Useless associativity warning])
AT_DATA([[input.y]],
-[[%nonassoc "="
+[[%token EQ "=" PL "+" ST "*" LP "("
+%nonassoc "="
%left "+"
%left "*"
%precedence "("
]])
AT_BISON_CHECK([-Wprecedence input.y], 0, [],
-[[input.y:1.11-13: warning: useless precedence and associativity for "=" [-Wprecedence]
-input.y:3.7-9: warning: useless associativity for "*", use %precedence [-Wprecedence]
-input.y:4.13-15: warning: useless precedence for "(" [-Wprecedence]
+[[input.y:2.1-9: warning: useless precedence and associativity for "=" [-Wprecedence]
+input.y:4.1-5: warning: useless associativity for "*", use %precedence [-Wprecedence]
+input.y:5.1-11: warning: useless precedence for "(" [-Wprecedence]
]])
AT_CLEANUP
AT_SETUP([Useless precedence warning])
AT_DATA([[input.y]],
-[[%token A B
+[[%token A B U V W X Y Z
%precedence Z
%left X
%precedence Y
]])
AT_BISON_CHECK([-Wprecedence -fcaret -o input.c input.y], 0, [],
-[[input.y:2.13: warning: useless precedence for Z [-Wprecedence]
- %precedence Z
- ^
-input.y:5.7: warning: useless precedence and associativity for W [-Wprecedence]
- %left W
- ^
-input.y:6.8: warning: useless precedence and associativity for V [-Wprecedence]
- %right V
- ^
-input.y:7.11: warning: useless precedence and associativity for U [-Wprecedence]
+[[input.y:7.1-9: warning: useless precedence and associativity for U [-Wprecedence]
%nonassoc U
- ^
+ ^^^^^^^^^
+input.y:6.1-6: warning: useless precedence and associativity for V [-Wprecedence]
+ %right V
+ ^^^^^^
+input.y:5.1-5: warning: useless precedence and associativity for W [-Wprecedence]
+ %left W
+ ^^^^^
+input.y:2.1-11: warning: useless precedence for Z [-Wprecedence]
+ %precedence Z
+ ^^^^^^^^^^^
]])
AT_CLEANUP
AT_BISON_CHECK([-Wall -o input.c input.y], 0, [],
[[input.y: warning: 4 shift/reduce conflicts [-Wconflicts-sr]
-input.y:1.7-9: warning: useless precedence and associativity for '+' [-Wprecedence]
-input.y:2.7-9: warning: useless precedence and associativity for '*' [-Wprecedence]
+input.y:1.1-5: warning: useless precedence and associativity for '+' [-Wprecedence]
+input.y:2.1-5: warning: useless precedence and associativity for '*' [-Wprecedence]
]])
AT_CLEANUP