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Add %default-prec.

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This commit is contained in:
Paul Eggert
2003-09-30 20:11:29 +00:00
parent 7f41b88821
commit 39a06c251a
7 changed files with 141 additions and 3 deletions
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74
tests/conflicts.at
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@@ -548,3 +548,77 @@ AT_CHECK([bison -o input.c input.y], 0, [],
input.y: warning: expected 0 reduce/reduce conflicts
])
AT_CLEANUP
## ---------------------------- ##
## %default-prec without %prec ##
## ---------------------------- ##
AT_SETUP([%default-prec without %prec])
AT_DATA([[input.y]],
[[%left '+'
%left '*'
%%
%default-prec 0;
e: e '+' e
| e '*' e
| '0'
;
]])
AT_CHECK([bison -o input.c input.y], 0, [],
[[input.y: conflicts: 4 shift/reduce
]])
AT_CLEANUP
## ------------------------- ##
## %default-prec with %prec ##
## ------------------------- ##
AT_SETUP([%default-prec with %prec])
AT_DATA([[input.y]],
[[%left '+'
%left '*'
%%
%default-prec 0;
e: e '+' e %prec '+'
| e '*' e %prec '*'
| '0'
;
]])
AT_CHECK([bison -o input.c input.y])
AT_CLEANUP
## ---------------- ##
## %default-prec 1 ##
## ---------------- ##
AT_SETUP([%default-prec 1])
AT_DATA([[input.y]],
[[%left '+'
%left '*'
%%
%default-prec 1;
e: e '+' e
| e '*' e
| '0'
;
]])
AT_CHECK([bison -o input.c input.y])
AT_CLEANUP