Check yyerrok in calc.at.

	* tests/calc.at (calc.y): Use yyerrok on "( error )".
	(AT_CHECK_CALC): Add a check that ensures that yyerrok works as
	expected.

diff --git a/ChangeLog b/ChangeLog
index c961b7b65e4432d3eeeabc3dde721338837ca146..e146d19dcd3818095da01477e76915cbe542d161 100644 (file)
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2008-08-27  Akim Demaille  <demaille@gostai.com>
+
+       Check yyerrok in calc.at.
+        * tests/calc.at (calc.y): Use yyerrok on "( error )".
+        (AT_CHECK_CALC): Add a check that ensures that yyerrok works as
+        expected.
+
 2008-08-27  Akim Demaille  <demaille@gostai.com>
 
        Support yyerrok in lalr1.cc.

diff --git a/tests/calc.at b/tests/calc.at
index 189b5b35803b49c92103180db5501ba729205b9f..2624908845c857b6d8574271a762f610814d3dcc 100644 (file)
--- a/tests/calc.at
+++ b/tests/calc.at
@@ -1,6 +1,6 @@
 # Simple calculator.                         -*- Autotest -*-
 
-# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 Free Software
+# Copyright (C) 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Free Software
 # Foundation, Inc.
 
 # This program is free software: you can redistribute it and/or modify
@@ -139,7 +139,7 @@ exp:
 | '-' exp  %prec NEG { $$ = -$2;            }
 | exp '^' exp        { $$ = power ($1, $3); }
 | '(' exp ')'        { $$ = $2;             }
-| '(' error ')'      { $$ = 1111;           }
+| '(' error ')'      { $$ = 1111; yyerrok;  }
 | '!'                { $$ = 0; YYERROR;     }
 | '-' error          { $$ = 0; YYERROR;     }
 ;
@@ -529,6 +529,14 @@ _AT_CHECK_CALC_ERROR([$1], [0], [(- *) + (0 0) = 1], [113],
 [1.4: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
 1.12: syntax error, unexpected number
 calc: error: 2222 != 1])
+
+# Check that yyerrok works properly: second error is not reported,
+# third and fourth are.  Parse status is succesfull.
+_AT_CHECK_CALC_ERROR([$1], [0], [(* *) + (*) + (*)], [113],
+[1.2: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.10: syntax error, unexpected '*', expecting number or '-' or '(' or '!'
+1.16: syntax error, unexpected '*', expecting number or '-' or '(' or '!'])
+
 AT_BISON_OPTION_POPDEFS
 
 AT_CLEANUP