<?xml version="1.0" encoding="latin1" ?> <!DOCTYPE chapter SYSTEM "chapter.dtd"> <chapter> <header> <copyright> <year>1997</year><year>2011</year> <holder>Ericsson AB. All Rights Reserved.</holder> </copyright> <legalnotice> The contents of this file are subject to the Erlang Public License, Version 1.1, (the "License"); you may not use this file except in compliance with the License. You should have received a copy of the Erlang Public License along with this software. If not, it can be retrieved online at http://www.erlang.org/. Software distributed under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for the specific language governing rights and limitations under the License. </legalnotice> <title>Parsetools Release Notes</title> <prepared>otp_appnotes</prepared> <docno>nil</docno> <date>nil</date> <rev>nil</rev> <file>notes.xml</file> </header> <p>This document describes the changes made to the Parsetools application.</p> <section><title>Parsetools 2.0.7</title> <section><title>Improvements and New Features</title> <list> <item> <p> Tuple funs (a two-element tuple with a module name and a function) are now officially deprecated and will be removed in R16. Use '<c>fun M:F/A</c>' instead. To make you aware that your system uses tuple funs, the very first time a tuple fun is applied, a warning will be sent to the error logger.</p> <p> Own Id: OTP-9649</p> </item> </list> </section> </section> <section><title>Parsetools 2.0.6</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>Dialyzer warnings have been removed. </p> <p> Own Id: OTP-8318</p> </item> <item> <p> yecc: add warnings_as_errors option(Thanks to Tuncer ayaz)</p> <p> Own Id: OTP-9376</p> </item> <item> <p> Fix incorrect order of pseudo variables in yecc example</p> <p> The example is for converting from infix to prefix. This change uses to correct ordering of the triplet. (Thanks to Garret Smith)</p> <p> Own Id: OTP-9484</p> </item> <item> <p> Implement or fix -Werror option</p> <p> If -Werror is enabled and there are warnings no output file is written. Also make sure that error/warning reporting is consistent. (Thanks to Tuncer Ayaz)</p> <p> Own Id: OTP-9536</p> </item> <item> <p> XML files have been corrected. </p> <p> Own Id: OTP-9550 Aux Id: OTP-9541 </p> </item> </list> </section> </section> <section><title>Parsetools 2.0.5</title> <section><title>Improvements and New Features</title> <list> <item> <p> The formating of Yecc's error messages has been improved. (Thanks to Joe Armstrong.) </p> <p> Own Id: OTP-8919</p> </item> </list> </section> </section> <section><title>Parsetools 2.0.4</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>Running HiPE-compiled Yecc parsers no longer results in a <c>function_clause</c> error.</p> <p> Own Id: OTP-8771</p> </item> </list> </section> </section> <section><title>Parsetools 2.0.3</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>Yecc failed to report reduce/reduce conflicts where one of the reductions involved the root symbol. This bug has been fixed. (Thanks to Manolis Papadakis.)</p> <p> Own Id: OTP-8483</p> </item> <item> <p>A bug introduced in Parsetools 1.4.4 (R12B-2) has been fixed. (Thanks to Manolis Papadakis.)</p> <p> Own Id: OTP-8486</p> </item> </list> </section> </section> <section><title>Parsetools 2.0.2</title> <section><title>Improvements and New Features</title> <list> <item> <p> Cleanups suggested by tidier and modernization of types and specs.</p> <p> Own Id: OTP-8455</p> </item> </list> </section> </section> <section><title>Parsetools 2.0.1</title> <section><title>Improvements and New Features</title> <list> <item> <p>Leex no longer uses the deprecated <c>regexp</c> module. (Thanks to Robert Virding.).</p> <p> Own Id: OTP-8231</p> </item> </list> </section> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>A minor bug in <c>leex(3)</c> has been fixed.</p> <p> Own Id: OTP-8197</p> </item> </list> </section> </section> <section><title>Parsetools 2.0</title> <section><title>Improvements and New Features</title> <list> <item> <p>Leex, a lexical analyzer generator for Erlang, has been added to Parsetools. This initial version should be considered experimental; it is known that there will be changes and additions. (Thanks to Robert Virding.).</p> <p> Own Id: OTP-8013</p> </item> </list> </section> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>The parsers generated by Yecc now report correct error lines when possible.</p> <p> Own Id: OTP-7969</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.7</title> <section><title>Fixed Bugs and Malfunctions</title> <list> <item> <p>A bug in yeccpre.hrl introduced in R13A has been fixed.</p> <p> Own Id: OTP-7945</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.6</title> <section><title>Improvements and New Features</title> <list> <item> <p>Updated file headers.</p> <p> Own Id: OTP-7798</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.5</title> <section><title>Improvements and New Features</title> <list> <item> <p>The <c>yecc</c> grammar has been augmented with an optional header section. (Thanks to Richard Carlsson.)</p> <p> Own Id: OTP-7292</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.4</title> <section><title>Improvements and New Features</title> <list> <item> <p>The size of the code generated by Yecc has been reduced. The code is also faster.</p> <p>Macros can now be used in actions.</p> <p> Own Id: OTP-7224</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.3</title> <section><title>Improvements and New Features</title> <list> <item> <p><c>tuple_size/1</c> and <c>byte_size/1</c> have been substituted for <c>size/1</c>.</p> <p> Own Id: OTP-7009</p> </item> </list> </section> </section> <section><title>Parsetools 1.4.2</title> <section><title>Improvements and New Features</title> <list> <item> <p>The size of the code generated by yecc has been reduced. </p> <p>A note regarding the <c>includefile</c> option: although yecc can cope with includefiles based on some earlier <c>yeccpre.hrl</c> it is recommended for efficiency reasons to update includefiles as to follow the pattern in the latest <c>yeccpre.hrl</c>.</p> <p> Own Id: OTP-6851</p> </item> </list> </section> </section> <section> <title>Parsetools 1.4.1.1</title> <section> <title>Improvements and New Features</title> <list type="bulleted"> <item> <p>Minor Makefile changes.</p> <p>Own Id: OTP-6689</p> </item> </list> </section> </section> <section> <title>Parsetools 1.4.1</title> <section> <title>Fixed Bugs and Malfunctions</title> <list type="bulleted"> <item> <p>A bug concerning precedence declarations of non-terminals "one level up" has been fixed in yecc.</p> <p>Own Id: OTP-6362</p> </item> </list> </section> </section> <section> <title>Parsetools 1.4</title> <section> <title>Improvements and Fixed Bugs</title> <p>Several modifications of Yecc have been made:</p> <list type="bulleted"> <item> <p>The new functions <c>file/1,2</c> take the role of the old functions <c>yecc/2,3,4</c>. The latter functions are no longer documented but are kept for backward compatibility.</p> </item> <item> <p>More checks of the grammar file have been implemented. Examples are warnings for unused non-terminals and duplicated declarations.</p> </item> <item> <p>Invalid pseudo variables are no longer replaced by <c>'$undefined'</c> but cause a failure.</p> </item> <item> <p>Reserved words no longer need to be quoted when used as terminals or non-terminals.</p> </item> <item> <p>When compiling the generated parser file errors and warnings concerning user code refer to the grammar file, not the parser file.</p> </item> <item> <p>Yecc emits a warning if there are conflicts in the grammar. The new declaration <c>Expect</c> can be used to suppress this warning.</p> </item> <item> <p>The new operator precedence declaration <c>Nonassoc</c> can be used to declare operators with no associativity.</p> </item> <item> <p>Precedence can be given to more than one operator with one single operator precedence declaration.</p> </item> <item> <p>The function <c>parse_and_scan/1</c> in the default includefile accepts <c>{Function, A}</c> as well as {{M,F}, A} as tokenizer function. Exceptions in the tokenizer are never caught.</p> </item> <item> <p>The functions <c>yecc:file/1,2</c> can be accessed from the Erlang shell via the new functions <c>c:y/1,2</c> in STDLIB.</p> </item> </list> <p>See yecc(3) for further details.</p> <p>Own Id: OTP-5366</p> </section> </section> <section> <title>Parsetools 1.3.2</title> <section> <title>Fixed Bugs and Malfunctions</title> <list type="bulleted"> <item> <p>A bug in <c>Yecc</c> that was introduced in R9B has been removed. Another bug concerning precedence declaration "one level up" has been fixed.</p> <p>Own Id: OTP-5461</p> </item> </list> </section> </section> <section> <title>Parsetools 1.3.1</title> <section> <title>Fixed Bugs and Malfunctions</title> <list type="bulleted"> <item> <p>A bug in the file <c>parsetools/include/yeccpre.hrl</c> caused <c>yecc:parse_and_scan/1</c> to always report a parse failure when the lexer reported end-of-file. This problem has been fixed.</p> <p>Own Id: OTP-5369</p> </item> </list> </section> </section> </chapter>