X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/e476c87d935519d5069d44d1628aa3d5741dd81b..bc82c5a5938c88f921dc2ce1f4edb06c4097e966:/NEWS diff --git a/NEWS b/NEWS index bc66e854..f223eb97 100644 --- a/NEWS +++ b/NEWS @@ -1,6 +1,24 @@ Bison News ---------- +Changes in version 1.875e, 2004-12-10: + +* New directive: %initial-action. + This directive allows the user to run arbitrary code (including + initializing @$) from yyparse before parsing starts. + +* The option `--report=lookahead' was changed to `--report=look-ahead'. + The old spelling still works, but is not documented and will be + removed. + +* Error token location. + During error recovery, the location of the syntax error is updated + to cover the whole sequence covered by the error token: it includes + the shifted symbols thrown away during the first part of the error + recovery, and the lookahead rejected during the second part. + +* Goto numbers are no longer arbitrarily limited to 16-bit counts. + Changes in version 1.875d, 2004-05-21: * Unescaped newlines are no longer allowed in character constants or @@ -213,7 +231,8 @@ Changes in version 1.50, 2002-10-04: allowed some non-error action other than a default reduction on the error token. The new behavior has long been the documented behavior, and has long been required by POSIX. For more details, please see - . + Paul Eggert, "Reductions during Bison error handling" (2002-05-20) + . * Traces Popped tokens and nonterminals are now reported. @@ -288,8 +307,8 @@ Changes in version 1.50, 2002-10-04: produces additional information: - itemset complete the core item sets with their closure - - lookahead - explicitly associate lookaheads to items + - lookahead [changed to `look-ahead' in 1.875e and later] + explicitly associate look-ahead tokens to items - solved describe shift/reduce conflicts solving. Bison used to systematically output this information on top of