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revision 1.61 by akim, Sun Oct 13 14:25:14 2002 UTC revision 1.62 by akim, Mon Oct 14 12:32:48 2002 UTC
# Line 14  Changes in version 1.50a: Line 14  Changes in version 1.50a:
14    Some people redefine yyerror to steal yyparse' private variables.    Some people redefine yyerror to steal yyparse' private variables.
15    Reenable this trick until an official feature replaces it.    Reenable this trick until an official feature replaces it.
16    
17    * Type Clashes
18      In agreement with POSIX and with other Yaccs, leaving a default
19      action is valid when $$ is untyped, and $1 typed:
20    
21            untyped: ... typed;
22    
23      but the converse remains an error:
24    
25            typed: ... untyped;
26    
27    * Values of mid-rule actions
28      The following code:
29    
30            foo: { ... } { $$ = $1; } ...
31    
32      was incorrectly rejected: $1 is defined in the second mid-rule
33      action, and is equal to the $$ of the first mid-rule action.
34    
35  Changes in version 1.50, 2002-10-04:  Changes in version 1.50, 2002-10-04:
36    
37  * GLR parsing  * GLR parsing

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