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[bison.git] / tests / regression.at

diff --git a/tests/regression.at b/tests/regression.at
index a3e7d4f79851fd8ae0a51001376b9b3a966cd671..6bfc8d0986727f515475c1ef3d648b0b9d86c0db 100644 (file)
--- a/tests/regression.at
+++ b/tests/regression.at
@@ -444,6 +444,7 @@ int yylex (void);
 %token C_TOKEN 'c'
 %token 'd' D_TOKEN
 %token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
+%token SPECIAL "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!"
 %%
 exp: "a" "\\\'\?\"\a\b\f\n\r\t\v\001\201\x001\x000081??!";
 %%
@@ -469,10 +470,22 @@ main (void)
 }
 ]])
 
-AT_BISON_CHECK([-o input.c input.y])
+# Checking the warning message guarantees that the trigraph "??!" isn't
+# unnecessarily escaped here even though it would need to be if encoded in a
+# C-string literal.  Also notice that unnecessary escaping, such as "\?", from
+# the user specification is eliminated.
+AT_BISON_CHECK([-o input.c input.y], [[0]], [[]],
+[[input.y:22.8-14: warning: symbol SPECIAL redeclared
+input.y:22.8-63: warning: symbol `"\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!"' used more than once as a literal string
+]])
 AT_COMPILE([input])
+
+# Checking the error message here guarantees that yytname, which does contain
+# C-string literals, does have the trigraph escaped correctly.  Thus, the
+# symbol name reported by the parser is exactly the same as that reported by
+# Bison itself.
 AT_DATA([experr],
-[[syntax error, unexpected "\\'?\"\a\b\f\n\r\t\v\001\201\001\201?\?!", expecting a
+[[syntax error, unexpected "\\'?\"\a\b\f\n\r\t\v\001\201\001\201??!", expecting a
 ]])
 AT_PARSER_CHECK([./input], 1, [], [experr])
 AT_CLEANUP
@@ -1188,7 +1201,7 @@ AT_CLEANUP
 ## Token number in precedence declaration.  ##
 ## ---------------------------------------- ##
 
-AT_SETUP([[Token number in precedence declaration.]])
+AT_SETUP([[Token number in precedence declaration]])
 
 # POSIX says token numbers can be declared in %left, %right, and %nonassoc, but
 # we lost this in Bison 1.50.
@@ -1242,3 +1255,27 @@ AT_COMPILE([[input]])
 AT_PARSER_CHECK([[./input]])
 
 AT_CLEANUP
+
+
+
+## ----------------------------------------------- ##
+## Fix user actions without a trailing semicolon.  ##
+## ----------------------------------------------- ##
+
+AT_SETUP([[Fix user actions without a trailing semicolon]])
+
+# This feature is undocumented, but we accidentally broke it in 2.3a, and there
+# was a complaint at:
+# <http://lists.gnu.org/archive/html/bug-bison/2008-11/msg00001.html>.
+
+AT_DATA([input.y],
+[[%%
+start: {asdffdsa} ;
+]])
+
+AT_BISON_CHECK([[-o input.c input.y]])
+AT_CHECK([[sed -n '/asdffdsa/s/^ *//p' input.c]], [[0]],
+[[{asdffdsa;}
+]])
+
+AT_CLEANUP