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* src/main.c (main): If there are complains after grammar

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reductions, then output the report anyway if requested, then die.
* src/symtab.c (bucket_new): Initialize `value' to -1, not 0.
* src/reader.c (eoftoken): New.
(parse_token_decl): If the token being defined has value `0', it
is the eoftoken.
(packsymbols): No longer hack `tags' to insert `$' by hand.
Be sure to preserve the value of the eoftoken.
(reader): Make sure eoftoken is defined.
Initialize nsyms to 0: now eoftoken is created just like the others.
* src/print.c (print_grammar): Don't special case the eof token.
* src/regression.at: Adjust: `$' has value 0, not -1, which was a
lie anyway, albeit pleasant.
* tests/calc.at: Exercise error messages with eoftoken.
Change the grammar so that empty input is invalid.
Adjust expectations.
When yyungeting, be sure to use a valid yylloc: use last_yylloc.
This commit is contained in:
Akim Demaille
2001-12-27 18:13:09 +00:00
parent ec2da99ffe
commit b7c49edf13
8 changed files with 111 additions and 50 deletions
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10
NEWS
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@@ -3,10 +3,18 @@ Bison News
Changes in version 1.49a:
* items overflow
* Items overflow
Bison no longer dumps core when there are too many items, it just
dies.
* Token end-of-file
The token end of file may be specified by the user, in which case,
the user symbol is used in the reports, the graphs, and the verbose
error messages instead of `$', which remains being the defaults.
For instance
%token YYEOF 0
or
%token YYEOF 0 "end of file"
Changes in version 1.30: