X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/1452af69b4f4d2aeabf50918e9b6039cc809b988..db5c43f791d5688070db6da3210f433b0e2ebe1a:/NEWS?ds=sidebyside diff --git a/NEWS b/NEWS index 0d527484..9be90dd8 100644 --- a/NEWS +++ b/NEWS @@ -1,13 +1,39 @@ Bison News ---------- -Changes in version 1.875d: +Changes in version 1.875e: + +* 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 + string literals. They were never portable, and GCC 3.4.0 has + dropped support for them. Better diagnostics are now generated if + forget a closing quote. * NUL bytes are no longer allowed in Bison string literals, unfortunately. * %token numbers can now be hexadecimal integers, e.g., `%token FOO 0x12d'. This is a GNU extension. +* A new directive "%expect-rr N" specifies the expected number of + reduce/reduce conflicts in GLR parsers. + * Experimental %destructor support has been added to lalr1.cc. Changes in version 1.875c, 2003-08-25: @@ -280,8 +306,8 @@ 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