X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/284bc49c832ffe6280907cb6c7788fa06bc58c7c..f68a49ed4942714616e692f0fa2a8315368bae3b:/tests/conflicts.at diff --git a/tests/conflicts.at b/tests/conflicts.at index d2fb298d..9f7d59f9 100644 --- a/tests/conflicts.at +++ b/tests/conflicts.at @@ -17,10 +17,9 @@ AT_BANNER([[Conflicts.]]) - -## ------------------------ ## -## Token declaration order. ## -## ------------------------ ## +## ------------------------- ## +## Token declaration order. ## +## ------------------------- ## # This test checks that token are declared left to right when in a precedence # statement. @@ -78,14 +77,7 @@ int main (void) } ]]) -AT_BISON_CHECK([-o input.c input.y], [], [], -[[input.y:24.13: warning: useless precedence for R [-Wother] -input.y:24.15: warning: useless precedence for S [-Wother] -input.y:24.17: warning: useless precedence for T [-Wother] -input.y:24.19: warning: useless precedence for U [-Wother] -input.y:25.13: warning: useless precedence for V [-Wother] -input.y:25.15: warning: useless precedence for W [-Wother] -]]) +AT_BISON_CHECK([-o input.c input.y]) AT_COMPILE([input]) AT_PARSER_CHECK([./input]) @@ -95,6 +87,40 @@ AT_BISON_OPTION_POPDEFS AT_CLEANUP +## ------------------------------- ## +## Useless associativity warning. ## +## ------------------------------- ## + +AT_SETUP([Useless associativity warning]) + +AT_DATA([[input.y]], +[[%nonassoc "=" +%left "+" +%left "*" +%precedence "(" +%% +stmt: + exp +| "var" "=" exp +; + +exp: + exp "+" exp +| exp "*" "num" +| "(" exp ")" +| "num" +; +]]) + +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] +]]) + +AT_CLEANUP + + ## ---------------------------- ## ## Useless precedence warning. ## ## ---------------------------- ## @@ -129,10 +155,19 @@ f: B ; ]]) -AT_BISON_CHECK([-fcaret -o input.c input.y], 0, [], -[[input.y:2.13: warning: useless precedence for Z [-Wother] +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] + %nonassoc U + ^ ]]) AT_CLEANUP @@ -157,7 +192,7 @@ e: 'e' | /* Nothing. */; ]]) AT_BISON_CHECK([-o input.c input.y], 0, [], -[[input.y:4.9: warning: rule useless in parser due to conflicts: e: /* empty */ [-Wother] +[[input.y:4.9: warning: rule useless in parser due to conflicts [-Wother] ]]) AT_BISON_CHECK([-fcaret -o input.c input.y], 0, [], @@ -885,7 +920,7 @@ cond: AT_BISON_CHECK([-o input.c input.y], 0, [], [[input.y: warning: 1 shift/reduce conflict [-Wconflicts-sr] -input.y:12.3-18: warning: rule useless in parser due to conflicts: cond: cond "then" cond [-Wother] +input.y:12.3-18: warning: rule useless in parser due to conflicts [-Wother] ]]) AT_CLEANUP @@ -929,7 +964,7 @@ id : '0'; AT_BISON_CHECK([-o input.c --report=all input.y], 0, [], [[input.y: warning: 1 reduce/reduce conflict [-Wconflicts-rr] -input.y:4.6-8: warning: rule useless in parser due to conflicts: id: '0' [-Wother] +input.y:4.6-8: warning: rule useless in parser due to conflicts [-Wother] ]]) # Check the contents of the report. @@ -1142,8 +1177,10 @@ e: e '+' e ; ]]) -AT_BISON_CHECK([-o input.c input.y], 0, [], +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] ]]) AT_CLEANUP @@ -1247,13 +1284,13 @@ reported_conflicts: AT_BISON_CHECK([[--report=all input.y]], 0, [], [[input.y: warning: 1 shift/reduce conflict [-Wconflicts-sr] input.y: warning: 1 reduce/reduce conflict [-Wconflicts-rr] -input.y:12.5-20: warning: rule useless in parser due to conflicts: resolved_conflict: 'a' unreachable1 [-Wother] -input.y:20.5-20: warning: rule useless in parser due to conflicts: unreachable1: 'a' unreachable2 [-Wother] -input.y:21.4: warning: rule useless in parser due to conflicts: unreachable1: /* empty */ [-Wother] -input.y:25.13: warning: rule useless in parser due to conflicts: unreachable2: /* empty */ [-Wother] -input.y:25.16: warning: rule useless in parser due to conflicts: unreachable2: /* empty */ [-Wother] -input.y:31.5-7: warning: rule useless in parser due to conflicts: reported_conflicts: 'a' [-Wother] -input.y:32.4: warning: rule useless in parser due to conflicts: reported_conflicts: /* empty */ [-Wother] +input.y:12.5-20: warning: rule useless in parser due to conflicts [-Wother] +input.y:20.5-20: warning: rule useless in parser due to conflicts [-Wother] +input.y:21.4: warning: rule useless in parser due to conflicts [-Wother] +input.y:25.13: warning: rule useless in parser due to conflicts [-Wother] +input.y:25.16: warning: rule useless in parser due to conflicts [-Wother] +input.y:31.5-7: warning: rule useless in parser due to conflicts [-Wother] +input.y:32.4: warning: rule useless in parser due to conflicts [-Wother] ]]) AT_CHECK([[cat input.output]], 0, @@ -1400,10 +1437,10 @@ AT_CHECK([[cat input.y >> input-keep.y]]) AT_BISON_CHECK([[input-keep.y]], 0, [], [[input-keep.y: warning: 2 shift/reduce conflicts [-Wconflicts-sr] input-keep.y: warning: 2 reduce/reduce conflicts [-Wconflicts-rr] -input-keep.y:22.4: warning: rule useless in parser due to conflicts: unreachable1: /* empty */ [-Wother] -input-keep.y:26.16: warning: rule useless in parser due to conflicts: unreachable2: /* empty */ [-Wother] -input-keep.y:32.5-7: warning: rule useless in parser due to conflicts: reported_conflicts: 'a' [-Wother] -input-keep.y:33.4: warning: rule useless in parser due to conflicts: reported_conflicts: /* empty */ [-Wother] +input-keep.y:22.4: warning: rule useless in parser due to conflicts [-Wother] +input-keep.y:26.16: warning: rule useless in parser due to conflicts [-Wother] +input-keep.y:32.5-7: warning: rule useless in parser due to conflicts [-Wother] +input-keep.y:33.4: warning: rule useless in parser due to conflicts [-Wother] ]]) AT_CLEANUP @@ -1583,7 +1620,7 @@ exp: 'a' | 'a'; AT_BISON_CHECK([[2.y]], [[0]], [], [[2.y: warning: %expect-rr applies only to GLR parsers [-Wother] 2.y: warning: 1 reduce/reduce conflict [-Wconflicts-rr] -2.y:3.12-14: warning: rule useless in parser due to conflicts: exp: 'a' [-Wother] +2.y:3.12-14: warning: rule useless in parser due to conflicts [-Wother] ]]) AT_CLEANUP