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undefined but unused is a warning

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* src/symtab.c (symbol_check_defined): Undeclared symbols are only
a warning.
* tests/input.at (Undeclared symbols used for a printer or destructor):
Rename as...
(Undefined symbols): this, and check this case.
* NEWS: Doc it.
This commit is contained in:
Akim Demaille
2012-08-15 09:44:34 +02:00
parent e4c0985b5c
commit 31557b9ead
3 changed files with 16 additions and 30 deletions
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11
tests/input.at
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@@ -271,16 +271,16 @@ input.y:5.10-24: previous declaration
AT_CLEANUP
## ----------------------------------------------------- ##
## Undeclared symbols used for a printer or destructor. ##
## ----------------------------------------------------- ##
## ------------------- ##
## Undefined symbols. ##
## ------------------- ##
AT_SETUP([Undeclared symbols used for a printer or destructor])
AT_SETUP([Undefined symbols])
AT_DATA([[input.y]],
[[%printer {} foo baz
%destructor {} bar
%type <foo> qux
%%
exp: bar;
]])
@@ -289,6 +289,7 @@ AT_BISON_CHECK([input.y], [1], [],
[[input.y:2.16-18: symbol bar is used, but is not defined as a token and has no rules
input.y:1.17-19: warning: symbol baz is used, but is not defined as a token and has no rules [-Wother]
input.y:1.13-15: warning: symbol foo is used, but is not defined as a token and has no rules [-Wother]
input.y:3.13-15: warning: symbol qux is used, but is not defined as a token and has no rules [-Wother]
]])
AT_CLEANUP