X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/8b807f1177634400b307b32f120f16adfd0cead0..85d57e27d26ff11a99ee6d82d3b9d34c16f6efce:/tests/conflicts.at diff --git a/tests/conflicts.at b/tests/conflicts.at index 7a993171..1ba94bcd 100644 --- a/tests/conflicts.at +++ b/tests/conflicts.at @@ -87,6 +87,92 @@ AT_BISON_OPTION_POPDEFS AT_CLEANUP +## --------------------------------------------------- ## +## Token declaration order: literals vs. identifiers. ## +## --------------------------------------------------- ## + +# This test checks that when several tokens are declared by the same keyword, +# some of them defined as a character ('a'), others as simple textual reference +# (A), they are declared correctly left to right. +# Previously, the following test would declare the states in the order 'o' 'p' +# M N, instead of M N 'o' 'p'. + +AT_SETUP([Token declaration order: literals vs. identifiers]) + +AT_DATA_GRAMMAR([[input.y]], +[[%token 'a' 'b' C D +%token E F 'g' 'h' +%right 'i' 'j' K L +%right M N 'o' 'p' +%% +exp: 'a' + | 'b' + | C + | D + | E + | F + | 'g' + | 'h' + | 'i' + | 'j' + | K + | L + | M + | N + | 'o' + | 'p' +; +%% +]]) + +AT_BISON_CHECK([[--report=all -o input.c input.y]], 0, [], [ignore]) +AT_CHECK([[cat input.output | sed -n '/^State 0$/,/^State 1$/p']], 0, +[[State 0 + + 0 $accept: . exp $end + 1 exp: . 'a' + 2 | . 'b' + 3 | . C + 4 | . D + 5 | . E + 6 | . F + 7 | . 'g' + 8 | . 'h' + 9 | . 'i' + 10 | . 'j' + 11 | . K + 12 | . L + 13 | . M + 14 | . N + 15 | . 'o' + 16 | . 'p' + + 'a' shift, and go to state 1 + 'b' shift, and go to state 2 + C shift, and go to state 3 + D shift, and go to state 4 + E shift, and go to state 5 + F shift, and go to state 6 + 'g' shift, and go to state 7 + 'h' shift, and go to state 8 + 'i' shift, and go to state 9 + 'j' shift, and go to state 10 + K shift, and go to state 11 + L shift, and go to state 12 + M shift, and go to state 13 + N shift, and go to state 14 + 'o' shift, and go to state 15 + 'p' shift, and go to state 16 + + exp go to state 17 + + +State 1 +]]) + +AT_CLEANUP + + ## ------------------------------- ## ## Useless associativity warning. ## ## ------------------------------- ## @@ -94,7 +180,8 @@ AT_CLEANUP AT_SETUP([Useless associativity warning]) AT_DATA([[input.y]], -[[%nonassoc "=" +[[%token EQ "=" PL "+" ST "*" LP "(" +%nonassoc "=" %left "+" %left "*" %precedence "(" @@ -113,9 +200,9 @@ exp: ]]) 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 @@ -128,7 +215,7 @@ 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 @@ -156,18 +243,18 @@ f: B ]]) 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 @@ -936,13 +1023,13 @@ AT_CLEANUP # $end reduce using rule 3 (num) # $end [reduce using rule 4 (id)] # -# But when `reduce 3' is the default action, we'd produce: +# But when 'reduce 3' is the default action, we'd produce: # # $end [reduce using rule 4 (id)] # $default reduce using rule 3 (num) # # In this precise case (a reduction is masked by the default -# reduction), we make the `reduce 3' explicit: +# reduction), we make the 'reduce 3' explicit: # # $end reduce using rule 3 (num) # $end [reduce using rule 4 (id)] @@ -1179,8 +1266,8 @@ e: e '+' e 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 @@ -1360,7 +1447,7 @@ State 0 0 $accept: . start $end 1 start: . resolved_conflict 'a' reported_conflicts 'a' 2 resolved_conflict: . 'a' unreachable1 - 3 | . ['a'] + 3 | . %empty ['a'] $default reduce using rule 3 (resolved_conflict) @@ -1396,7 +1483,7 @@ State 4 1 start: resolved_conflict 'a' . reported_conflicts 'a' 8 reported_conflicts: . 'a' 9 | . 'a' - 10 | . ['a'] + 10 | . %empty ['a'] 'a' shift, and go to state 5 @@ -1489,11 +1576,11 @@ AT_CHECK([[cat input.output | sed -n '/^State 0$/,/^State 1$/p']], 0, 6 | . empty_c1 'c' 7 | . empty_c2 'c' 8 | . empty_c3 'c' - 9 empty_a: . ['a'] - 10 empty_b: . [] - 11 empty_c1: . [] - 12 empty_c2: . [] - 13 empty_c3: . ['c'] + 9 empty_a: . %empty ['a'] + 10 empty_b: . %empty [] + 11 empty_c1: . %empty [] + 12 empty_c2: . %empty [] + 13 empty_c3: . %empty ['c'] 'b' shift, and go to state 1 @@ -1565,11 +1652,11 @@ AT_CHECK([[cat input.output | sed -n '/^State 0$/,/^State 1$/p']], 0, 6 | . empty_c1 'c' 7 | . empty_c2 'c' 8 | . empty_c3 'c' - 9 empty_a: . [] - 10 empty_b: . [] - 11 empty_c1: . [] - 12 empty_c2: . ['c'] - 13 empty_c3: . ['c'] + 9 empty_a: . %empty [] + 10 empty_b: . %empty [] + 11 empty_c1: . %empty [] + 12 empty_c2: . %empty ['c'] + 13 empty_c3: . %empty ['c'] 'a' error (nonassociative) 'b' error (nonassociative)