mirror of
https://bitbucket.org/smil3y/katie.git
synced 2025-02-23 18:32:55 +00:00
remove qlalr utility documentation and examples
Signed-off-by: Ivailo Monev <xakepa10@laimg.moc>
This commit is contained in:
Ivailo Monev
parent
35b9e5e19a
commit
33cf679b6a
23 changed files with 0 additions and 2275 deletions
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# Run qdoc from the directory that contains this file.
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project = qlalr
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description = qlalr Reference Documentation
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url = http://qt.nokia.com/doc/
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language = Cpp
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# sourcedirs = $PWD/src
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sourcedirs = src
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sources.fileextensions = "*.qdoc"
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exampledirs = ../examples
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imagedirs = src/images
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outputdir = html
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codeindent = 1
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extraimages.HTML = qt-logo \
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trolltech-logo
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macro.key = "\\bold"
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macro.menu = "\\bold"
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macro.gui = "\\bold"
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macro.reg.HTML = "<sup>®</sup>"
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macro.raisedaster.HTML = "<sup>*</sup>"
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macro.BR.HTML = "<br />"
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macro.br.HTML = "<br />"
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macro.QD = "\\e{Qt Designer}"
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macro.QA = "\\e{Qt Assistant}"
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macro.eacute.HTML = "é"
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macro.aring.HTML = "å"
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macro.oslash.HTML = "ø"
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macro.ouml.HTML = "ö"
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macro.Auml.HTML = "Ä"
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macro.uuml.HTML = "ü"
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HTML.stylesheets = src/classic.css
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HTML.postheader = "<table border=\"0\" cellpadding=\"0\" cellspacing=\"0\" width=\"100%\">\n" \
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"<tr>\n" \
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"<td align=\"left\" valign=\"top\" width=\"32\">" \
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"<a href=\"http://qt.nokia.com/\"><img src=\"images/qt-logo.png\" align=\"left\" width=\"32\" height=\"32\" border=\"0\" /></a>" \
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"</td>\n" \
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"<td width=\"1\"> </td>" \
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"<td class=\"postheader\" valign=\"center\">" \
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"<a href=\"index.html\">" \
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"<font color=\"#004faf\">Home</font></a> ·" \
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" <a href=\"classes.html\">" \
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"<font color=\"#004faf\">All Classes</font></a> ·" \
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" <a href=\"mainclasses.html\">" \
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"<font color=\"#004faf\">Main Classes</font></a> ·" \
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" <a href=\"groups.html\">" \
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"<font color=\"#004faf\">Grouped Classes</font></a> ·" \
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" <a href=\"modules.html\">" \
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"<font color=\"#004faf\">Modules</font></a> ·" \
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" <a href=\"functions.html\">" \
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"<font color=\"#004faf\">Functions</font></a>" \
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"</td>\n" \
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"<td align=\"right\" valign=\"top\" width=\"230\"><a href=\"http://qt.nokia.com\"><img src=\"images/trolltech-logo.png\" align=\"right\" width=\"203\" height=\"32\" border=\"0\" /></a></td></tr></table>"
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HTML.footer = "<p /><address><hr /><div align=\"center\">\n" \
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"<table width=\"100%\" cellspacing=\"0\" border=\"0\"><tr class=\"address\">\n" \
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"<td width=\"30%\" align=\"left\">Copyright © 2015 The Qt Company Ltd</td>\n" \
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"<td width=\"40%\" align=\"center\"><a href=\"trademarks.html\">Trademarks</a></td>\n" \
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"<td width=\"30%\" align=\"right\"><div align=\"right\">Qt \\version</div></td>\n" \
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"</tr></table></div></address>"
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@ -1,97 +0,0 @@
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h3.fn,span.fn
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{
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margin-left: 1cm;
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text-indent: -1cm;
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}
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a:link
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{
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color: #004faf;
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text-decoration: none
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}
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a:visited
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{
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color: #672967;
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text-decoration: none
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}
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td.postheader
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{
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font-family: sans-serif
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}
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tr.address
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{
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font-family: sans-serif
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}
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body
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{
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background: #ffffff;
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color: black
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}
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table tr.odd {
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background: #f0f0f0;
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color: black;
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}
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table tr.even {
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background: #e4e4e4;
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color: black;
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}
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table.annotated {
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border-spacing: 0px;
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}
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table.annotated th {
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font-weight: bold;
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padding: 3px;
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text-align: left
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}
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table.annotated td {
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padding: 3px;
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}
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table tr pre
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{
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padding-top: none;
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padding-bottom: none;
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padding-left: none;
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padding-right: none;
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border: none;
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background: none
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}
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tr.qt-style
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{
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background: #a2c511;
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color: black
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}
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body pre
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{
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padding: 0.2em;
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border: #e7e7e7 1px solid;
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background: #f1f1f1;
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color: black
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}
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span.preprocessor, span.preprocessor a
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{
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color: darkblue;
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}
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span.comment
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{
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color: darkred;
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font-style: italic
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}
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span.string,span.char
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{
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color: darkgreen;
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}
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Binary file not shown.
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Before Width: | Height: | Size: 1.5 KiB |
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@ -1,106 +0,0 @@
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2019 Ivailo Monev
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**
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** This file is part of the documentation of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:FDL$
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** Commercial License Usage
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|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
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|
||||||
** accordance with the commercial license agreement provided with the
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|
||||||
** Software or, alternatively, in accordance with the terms contained in
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|
||||||
** a written agreement between you and The Qt Company. For licensing terms
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|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
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|
||||||
** information use the contact form at http://www.qt.io/contact-us.
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||||||
**
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||||||
** GNU Free Documentation License Usage
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** Alternatively, this file may be used under the terms of the GNU Free
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||||||
** Documentation License version 1.3 as published by the Free Software
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||||||
** Foundation and appearing in the file included in the packaging of
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||||||
** this file. Please review the following information to ensure
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||||||
** the GNU Free Documentation License version 1.3 requirements
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||||||
** will be met: http://www.gnu.org/copyleft/fdl.html.
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||||||
** $QT_END_LICENSE$
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**
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****************************************************************************/
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/*!
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\page qlalr.html
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\title qlalr
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\nextpage qlalr - Writing Grammars
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\section1 Table of Contents
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\list
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\o \l{qlalr - Writing Grammars}
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\tableofcontents{1 qlalr - Writing Grammars}
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\o \l{qlalr - Generating Code from Grammar Specifications}
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\tableofcontents{1 qlalr - Generating Code from Grammar Specifications}
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\o \l{qlalr - qlalr Grammar Specification}
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\tableofcontents{1 qlalr - qlalr Grammar Specification}
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\o \l{qlalr - Handling Conflicts}
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\tableofcontents{1 qlalr - Handling Conflicts}
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\o \l{qlalr - Error Handling and Recovery}
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\tableofcontents{1 qlalr - Error Handling and Recovery}
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\o \l{qlalr - References to External Information}
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\tableofcontents{1 qlalr - References to External Information}
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\endlist
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*/
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/*!
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\page qlalr-files.html
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\title qlalr - Writing Grammars
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\contentspage qlalr
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\previouspage qlalr
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\nextpage qlalr - Generating Code from Grammar Specifications
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*/
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/*!
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\page qlalr-generating.html
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\title qlalr - Generating Code from Grammar Specifications
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\contentspage qlalr
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\previouspage qlalr - Writing Grammars
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\nextpage qlalr - qlalr Grammar Specification
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*/
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/*!
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\page qlalr-grammar-specification.html
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\title qlalr - qlalr Grammar Specification
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\contentspage qlalr
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\previouspage qlalr - Generating Code from Grammar Specifications
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\nextpage qlalr - Handling Conflicts
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*/
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/*!
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\page qlalr-handling-conflicts.html
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\title qlalr - Handling Conflicts
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\contentspage qlalr
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\previouspage qlalr - qlalr Grammar Specification
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\nextpage qlalr - Error Handling and Recovery
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*/
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/*!
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\page qlalr-handling-errors.html
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\title qlalr - Error Handling and Recovery
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\contentspage qlalr
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\previouspage qlalr - Handling Conflicts
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\nextpage qlalr - References to External Information
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*/
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/*!
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\page qlalr-external-references.html
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\title qlalr - References to External Information
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\contentspage qlalr
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\previouspage qlalr - Error Handling and Recovery
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*/
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@ -1,2 +0,0 @@
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HEADERS += xmltable_p.h
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SOURCES += xmlreader.cpp xmltable.cpp
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@ -1,123 +0,0 @@
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/****************************************************************************
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**
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** Copyright (C) 2015 The Qt Company Ltd.
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** Copyright (C) 2016-2019 Ivailo Monev
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**
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** This file is part of the QLALR module of the Katie Toolkit.
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**
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** $QT_BEGIN_LICENSE:LGPL$
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** Commercial License Usage
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|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
** accordance with the commercial license agreement provided with the
|
|
||||||
** Software or, alternatively, in accordance with the terms contained in
|
|
||||||
** a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
** information use the contact form at http://www.qt.io/contact-us.
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|
||||||
**
|
|
||||||
** GNU Lesser General Public License Usage
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|
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** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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||||||
**
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|
||||||
** As a special exception, The Qt Company gives you certain additional
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|
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** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
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**
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****************************************************************************/
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#include <cstdlib>
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#include <cstdio>
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enum Token {
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EOF_SYMBOL,
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LEFT_ANGLE,
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RIGHT_ANGLE,
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ANY,
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};
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static int current_char;
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static int yytoken;
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static bool in_tag = false;
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bool parseXmlStream();
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bool parseTagOrWord();
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bool parseTagName();
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inline int nextToken()
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{
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current_char = fgetc(stdin);
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||||||
if (current_char == EOF) {
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||||||
return (yytoken = EOF_SYMBOL);
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||||||
} else if (current_char == '<') {
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||||||
in_tag = true;
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||||||
return (yytoken = LEFT_ANGLE);
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||||||
} else if (in_tag && current_char == '>') {
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in_tag = false;
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||||||
return (yytoken = RIGHT_ANGLE);
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|
||||||
}
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||||||
return (yytoken = ANY);
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||||||
}
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||||||
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||||||
bool parse()
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||||||
{
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||||||
nextToken();
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return parseXmlStream();
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||||||
}
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||||||
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||||||
bool parseXmlStream()
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||||||
{
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||||||
while (parseTagOrWord())
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;
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||||||
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return true;
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}
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bool parseTagOrWord()
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{
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if (yytoken == LEFT_ANGLE) {
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nextToken();
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if (! parseTagName())
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return false;
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if (yytoken != RIGHT_ANGLE)
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return false;
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nextToken();
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fprintf (stderr, "*** found a tag\n");
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} else if (yytoken == ANY) {
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nextToken();
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} else {
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return false;
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}
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return true;
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}
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bool parseTagName()
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{
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while (yytoken == ANY)
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nextToken();
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return true;
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}
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int main()
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{
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if (parse())
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printf("OK\n");
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else
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printf("KO\n");
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}
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@ -1,241 +0,0 @@
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||||||
----------------------------------------------------------------------------
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||||||
--
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||||||
-- Copyright (C) 2015 The Qt Company Ltd.
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||||||
--
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||||||
-- This file is part of the QtCore module of the Katie Toolkit.
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|
||||||
--
|
|
||||||
-- $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
-- Commercial License Usage
|
|
||||||
-- Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
-- accordance with the commercial license agreement provided with the
|
|
||||||
-- Software or, alternatively, in accordance with the terms contained in
|
|
||||||
-- a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
-- and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
-- information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
--
|
|
||||||
-- GNU Lesser General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
-- General Public License version 2.1 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.LGPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU Lesser General Public License version 2.1 requirements
|
|
||||||
-- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
--
|
|
||||||
-- As a special exception, The Qt Company gives you certain additional
|
|
||||||
-- rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
-- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
--
|
|
||||||
-- GNU General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU
|
|
||||||
-- General Public License version 3.0 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
-- met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
--
|
|
||||||
--
|
|
||||||
-- $QT_END_LICENSE$
|
|
||||||
--
|
|
||||||
----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
%parser XMLTable
|
|
||||||
|
|
||||||
%impl xmlreader.cpp
|
|
||||||
|
|
||||||
%token LEFT_ANGLE
|
|
||||||
%token RIGHT_ANGLE
|
|
||||||
%token ANY
|
|
||||||
|
|
||||||
%start XmlStream
|
|
||||||
|
|
||||||
/.
|
|
||||||
#ifndef XMLREADER_H
|
|
||||||
#define XMLREADER_H
|
|
||||||
|
|
||||||
#include <QtCore>
|
|
||||||
#include <cstdio>
|
|
||||||
#include <cstdlib>
|
|
||||||
#include <cstring>
|
|
||||||
#include "$header"
|
|
||||||
|
|
||||||
class XMLReader: protected $table
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
XMLReader(const QByteArray &bytes);
|
|
||||||
~XMLReader();
|
|
||||||
|
|
||||||
bool parse();
|
|
||||||
|
|
||||||
inline int nextToken()
|
|
||||||
{
|
|
||||||
switch (*bufptr++) {
|
|
||||||
case '\0':
|
|
||||||
return EOF_SYMBOL;
|
|
||||||
|
|
||||||
case '<':
|
|
||||||
in_tag = true;
|
|
||||||
return LEFT_ANGLE;
|
|
||||||
|
|
||||||
case '>':
|
|
||||||
if (! in_tag)
|
|
||||||
break;
|
|
||||||
in_tag = false;
|
|
||||||
return RIGHT_ANGLE;
|
|
||||||
break;
|
|
||||||
|
|
||||||
} // switch
|
|
||||||
|
|
||||||
return ANY;
|
|
||||||
}
|
|
||||||
|
|
||||||
protected:
|
|
||||||
inline void reallocateStack();
|
|
||||||
|
|
||||||
inline int &sym(int index)
|
|
||||||
{ return stack [tos + index - 1].ival; }
|
|
||||||
|
|
||||||
protected:
|
|
||||||
int tos;
|
|
||||||
int stack_size;
|
|
||||||
|
|
||||||
struct StackItem {
|
|
||||||
int state;
|
|
||||||
int ival;
|
|
||||||
};
|
|
||||||
|
|
||||||
QVarLengthArray<StackItem> stack;
|
|
||||||
unsigned in_tag: 1;
|
|
||||||
QByteArray bytes;
|
|
||||||
const char *bufptr;
|
|
||||||
};
|
|
||||||
|
|
||||||
inline void XMLReader::reallocateStack()
|
|
||||||
{
|
|
||||||
if (! stack_size)
|
|
||||||
stack_size = 128;
|
|
||||||
else
|
|
||||||
stack_size <<= 1;
|
|
||||||
|
|
||||||
stack.resize (stack_size);
|
|
||||||
}
|
|
||||||
|
|
||||||
#endif // XMLREADER_H
|
|
||||||
|
|
||||||
XMLReader::XMLReader(const QByteArray &bytes):
|
|
||||||
tos(0),
|
|
||||||
stack_size(0),
|
|
||||||
bytes(bytes)
|
|
||||||
{
|
|
||||||
bufptr = bytes.constData();
|
|
||||||
}
|
|
||||||
|
|
||||||
XMLReader::~XMLReader()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
bool XMLReader::parse()
|
|
||||||
{
|
|
||||||
const int INITIAL_STATE = 0;
|
|
||||||
|
|
||||||
in_tag = 0;
|
|
||||||
bufptr = bytes.constData();
|
|
||||||
|
|
||||||
int yytoken = -1;
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
tos = 0;
|
|
||||||
stack [++tos].state = INITIAL_STATE;
|
|
||||||
|
|
||||||
while (true)
|
|
||||||
{
|
|
||||||
const int state = stack [tos].state;
|
|
||||||
|
|
||||||
if (yytoken == -1 && - TERMINAL_COUNT != action_index [state])
|
|
||||||
yytoken = nextToken();
|
|
||||||
|
|
||||||
int act = t_action (state, yytoken);
|
|
||||||
|
|
||||||
if (act == ACCEPT_STATE)
|
|
||||||
return true;
|
|
||||||
|
|
||||||
else if (act > 0)
|
|
||||||
{
|
|
||||||
if (++tos == stack_size)
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
stack [tos].ival = *bufptr; // ### save the token value here
|
|
||||||
stack [tos].state = act;
|
|
||||||
yytoken = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act < 0)
|
|
||||||
{
|
|
||||||
int r = - act - 1;
|
|
||||||
|
|
||||||
tos -= rhs [r];
|
|
||||||
act = stack [tos++].state;
|
|
||||||
|
|
||||||
switch (r) {
|
|
||||||
./
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
XmlStream: TagOrWord ;
|
|
||||||
XmlStream: XmlStream TagOrWord ;
|
|
||||||
|
|
||||||
TagOrWord: Tag ;
|
|
||||||
TagOrWord: ANY ;
|
|
||||||
|
|
||||||
Tag: LEFT_ANGLE TagName RIGHT_ANGLE ;
|
|
||||||
/.
|
|
||||||
case $rule_number: {
|
|
||||||
fprintf (stderr, "*** found a tag\n");
|
|
||||||
} break;
|
|
||||||
./
|
|
||||||
|
|
||||||
TagName: ANY ;
|
|
||||||
TagName: TagName ANY ;
|
|
||||||
|
|
||||||
|
|
||||||
/.
|
|
||||||
} // switch
|
|
||||||
|
|
||||||
stack [tos].state = nt_action (act, lhs [r] - TERMINAL_COUNT);
|
|
||||||
}
|
|
||||||
|
|
||||||
else
|
|
||||||
{
|
|
||||||
// ### ERROR RECOVERY HERE
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/////////////////////////////
|
|
||||||
// entry point
|
|
||||||
/////////////////////////////
|
|
||||||
int main(int, char *argv[])
|
|
||||||
{
|
|
||||||
QFile f (argv[1]);
|
|
||||||
|
|
||||||
if (f.open(QFile::ReadOnly)) {
|
|
||||||
QByteArray contents = f.readAll();
|
|
||||||
XMLReader parser (contents);
|
|
||||||
|
|
||||||
if (parser.parse())
|
|
||||||
printf ("OK\n");
|
|
||||||
else
|
|
||||||
printf ("KO\n");
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
./
|
|
||||||
|
|
||||||
|
|
@ -1,46 +0,0 @@
|
||||||
#!/bin/sh
|
|
||||||
#############################################################################
|
|
||||||
##
|
|
||||||
## Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
##
|
|
||||||
## This file is the build configuration utility of the Katie Toolkit.
|
|
||||||
##
|
|
||||||
## $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
## Commercial License Usage
|
|
||||||
## Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
## accordance with the commercial license agreement provided with the
|
|
||||||
## Software or, alternatively, in accordance with the terms contained in
|
|
||||||
## a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
## and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
## information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
##
|
|
||||||
## GNU Lesser General Public License Usage
|
|
||||||
## Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
## General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
## Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
## LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
## following information to ensure the GNU Lesser General Public License
|
|
||||||
## requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
## http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
##
|
|
||||||
## As a special exception, The Qt Company gives you certain additional
|
|
||||||
## rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
## version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
##
|
|
||||||
## GNU General Public License Usage
|
|
||||||
## Alternatively, this file may be used under the terms of the GNU
|
|
||||||
## General Public License version 3.0 as published by the Free Software
|
|
||||||
## Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
## packaging of this file. Please review the following information to
|
|
||||||
## ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
## met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
##
|
|
||||||
## $QT_END_LICENSE$
|
|
||||||
##
|
|
||||||
#############################################################################
|
|
||||||
|
|
||||||
${FLEX-flex} -oglsl-lex.incl glsl-lex.l
|
|
||||||
${QLALR-qlalr} glsl.g
|
|
||||||
|
|
||||||
qmake
|
|
||||||
make
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
#!/bin/sh
|
|
||||||
|
|
||||||
me=$(dirname $0)
|
|
||||||
${CPP-cpp} -nostdinc $* | $me/glsl.bin
|
|
||||||
|
|
@ -1,245 +0,0 @@
|
||||||
|
|
||||||
%{
|
|
||||||
/****************************************************************************
|
|
||||||
**
|
|
||||||
** Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
** Copyright (C) 2016-2019 Ivailo Monev
|
|
||||||
**
|
|
||||||
** This file is part of the QLALR tool of the Katie Toolkit.
|
|
||||||
**
|
|
||||||
** $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
** Commercial License Usage
|
|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
** accordance with the commercial license agreement provided with the
|
|
||||||
** Software or, alternatively, in accordance with the terms contained in
|
|
||||||
** a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
** information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
**
|
|
||||||
** GNU Lesser General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
**
|
|
||||||
** As a special exception, The Qt Company gives you certain additional
|
|
||||||
** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
|
|
||||||
**
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#include <cassert>
|
|
||||||
#define YY_DECL int GLSLParser::nextToken()
|
|
||||||
%}
|
|
||||||
|
|
||||||
%option noyywrap
|
|
||||||
|
|
||||||
hex [0-9a-fA-F]
|
|
||||||
dec [1-9][0-9]*
|
|
||||||
oct [0-7]
|
|
||||||
digit [0-9]
|
|
||||||
|
|
||||||
fract {digit}*\.{digit}+|{digit}+\.
|
|
||||||
exp [eE][+-]?{digit}+
|
|
||||||
|
|
||||||
hexfract {hex}*\.{hex}+|{hex}+\.
|
|
||||||
binexp [pP][+-]?{digit}+
|
|
||||||
|
|
||||||
icst ({dec}|0{oct}*|0[xX]{hex}+)
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
||||||
[\n] { ++context.line; }
|
|
||||||
[ \t\r]+ { /* skip */ }
|
|
||||||
|
|
||||||
"+=" { return ADD_ASSIGN; }
|
|
||||||
"&" { return AMPERSAND; }
|
|
||||||
"&=" { return AND_ASSIGN; }
|
|
||||||
"&&" { return AND_OP; }
|
|
||||||
"attribute" { return ATTRIBUTE; }
|
|
||||||
"!" { return BANG; }
|
|
||||||
"bool" { return BOOL; }
|
|
||||||
"true" { return BOOLCONSTANT; }
|
|
||||||
"false" { return BOOLCONSTANT; }
|
|
||||||
"break" { return BREAK; }
|
|
||||||
"bvec2" { return BVEC2; }
|
|
||||||
"bvec3" { return BVEC3; }
|
|
||||||
"bvec4" { return BVEC4; }
|
|
||||||
":" { return COLON; }
|
|
||||||
"," { return COMMA; }
|
|
||||||
"const" { return CONST; }
|
|
||||||
"continue" { return CONTINUE; }
|
|
||||||
"-" { return DASH; }
|
|
||||||
"--" { return DEC_OP; }
|
|
||||||
"discard" { return DISCARD; }
|
|
||||||
"/=" { return DIV_ASSIGN; }
|
|
||||||
"do" { return DO; }
|
|
||||||
"." { return DOT; }
|
|
||||||
"else" { return ELSE; }
|
|
||||||
"=" { return EQUAL; }
|
|
||||||
"==" { return EQ_OP; }
|
|
||||||
"float" { return FLOAT; }
|
|
||||||
"for" { return FOR; }
|
|
||||||
">=" { return GE_OP; }
|
|
||||||
"if" { return IF; }
|
|
||||||
"in" { return IN; }
|
|
||||||
"++" { return INC_OP; }
|
|
||||||
"inout" { return INOUT; }
|
|
||||||
"int" { return INT; }
|
|
||||||
"ivec2" { return IVEC2; }
|
|
||||||
"ivec3" { return IVEC3; }
|
|
||||||
"ivec4" { return IVEC4; }
|
|
||||||
"<" { return LEFT_ANGLE; }
|
|
||||||
"<<=" { return LEFT_ASSIGN; }
|
|
||||||
"{" { return LEFT_BRACE; }
|
|
||||||
"[" { return LEFT_BRACKET; }
|
|
||||||
"<<" { return LEFT_OP; }
|
|
||||||
"(" { return LEFT_PAREN; }
|
|
||||||
"<=" { return LE_OP; }
|
|
||||||
"mat2" { return MAT2; }
|
|
||||||
"mat3" { return MAT3; }
|
|
||||||
"mat4" { return MAT4; }
|
|
||||||
"%=" { return MOD_ASSIGN; }
|
|
||||||
"*=" { return MUL_ASSIGN; }
|
|
||||||
"!=" { return NE_OP; }
|
|
||||||
"|=" { return OR_ASSIGN; }
|
|
||||||
"||" { return OR_OP; }
|
|
||||||
"out" { return OUT; }
|
|
||||||
"%" { return PERCENT; }
|
|
||||||
"+" { return PLUS; }
|
|
||||||
"?" { return QUESTION; }
|
|
||||||
"return" { return RETURN; }
|
|
||||||
">" { return RIGHT_ANGLE; }
|
|
||||||
">>=" { return RIGHT_ASSIGN; }
|
|
||||||
"}" { return RIGHT_BRACE; }
|
|
||||||
"]" { return RIGHT_BRACKET; }
|
|
||||||
">>" { return RIGHT_OP; }
|
|
||||||
")" { return RIGHT_PAREN; }
|
|
||||||
"sampler1D" { return SAMPLER1D; }
|
|
||||||
"sampler1DShadow" { return SAMPLER1DSHADOW; }
|
|
||||||
"sampler2D" { return SAMPLER2D; }
|
|
||||||
"sampler2DShadow" { return SAMPLER2DSHADOW; }
|
|
||||||
"sampler3D" { return SAMPLER3D; }
|
|
||||||
"samplerCube" { return SAMPLERCUBE; }
|
|
||||||
";" { return SEMICOLON; }
|
|
||||||
"/" { return SLASH; }
|
|
||||||
"*" { return STAR; }
|
|
||||||
"struct" { return STRUCT; }
|
|
||||||
"-=" { return SUB_ASSIGN; }
|
|
||||||
"~" { return TILDE; }
|
|
||||||
"uniform" { return UNIFORM; }
|
|
||||||
"varying" { return VARYING; }
|
|
||||||
"vec2" { return VEC2; }
|
|
||||||
"vec3" { return VEC3; }
|
|
||||||
"vec4" { return VEC4; }
|
|
||||||
"|" { return VERTICAL_BAR; }
|
|
||||||
"void" { return VOID; }
|
|
||||||
"while" { return WHILE; }
|
|
||||||
"^=" { return XOR_ASSIGN; }
|
|
||||||
"^" { return XOR_OP; }
|
|
||||||
"highp" { return HIGH_PRECISION; }
|
|
||||||
"mediump" { return MEDIUM_PRECISION; }
|
|
||||||
"lowp" { return LOW_PRECISION; }
|
|
||||||
|
|
||||||
#[ \t]+[0-9]+.* {
|
|
||||||
char *eptr = 0;
|
|
||||||
context.line = (int) strtod(&yytext[1], &eptr);
|
|
||||||
QString fn = QString::fromUtf8(eptr).trimmed();
|
|
||||||
if (fn.length() > 2)
|
|
||||||
context.fileName = fn.mid(1, fn.length()-2);
|
|
||||||
}
|
|
||||||
|
|
||||||
#.* {
|
|
||||||
/* skip */
|
|
||||||
}
|
|
||||||
|
|
||||||
[_a-zA-Z][_a-zA-Z0-9]* {
|
|
||||||
yylval.s = intern (yytext);
|
|
||||||
|
|
||||||
if (isTypename (yylval.s))
|
|
||||||
return TYPE_NAME;
|
|
||||||
|
|
||||||
return IDENTIFIER;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst} {
|
|
||||||
yylval.i = (int) strtol (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}[uU] {
|
|
||||||
yylval.u = (unsigned) strtoul (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}[uU][lL] {
|
|
||||||
yylval.ul = strtoul (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}[lL][uU] {
|
|
||||||
yylval.ul = strtoul (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}[lL] {
|
|
||||||
yylval.l = strtol (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}[uU](ll|LL) {
|
|
||||||
yylval.l = strtoull (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}(ll|LL) {
|
|
||||||
yylval.l = strtoll (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{icst}(ll|LL)[uU] {
|
|
||||||
yylval.l = strtoull (yytext, 0, 0);
|
|
||||||
return INTCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{fract}{exp}?[flFL]? {
|
|
||||||
yylval.f = strtof (yytext, 0);
|
|
||||||
return FLOATCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
{digit}+{exp}[flFL]? {
|
|
||||||
yylval.f = strtof (yytext, 0);
|
|
||||||
return FLOATCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
0[xX]{hexfract}{binexp}[flFL]? {
|
|
||||||
yylval.f = strtof (yytext, 0);
|
|
||||||
return FLOATCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
0[xX]{hex}+{binexp}[flFL]? {
|
|
||||||
yylval.f = strtof (yytext, 0);
|
|
||||||
return FLOATCONSTANT;
|
|
||||||
}
|
|
||||||
|
|
||||||
. {
|
|
||||||
fprintf (stderr, "invalid char: %d\n", yytext [0]);
|
|
||||||
return ERROR;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
||||||
|
|
@ -1,670 +0,0 @@
|
||||||
----------------------------------------------------------------------------
|
|
||||||
--
|
|
||||||
-- Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
--
|
|
||||||
-- This file is part of the QtCore module of the Katie Toolkit.
|
|
||||||
--
|
|
||||||
-- $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
-- Commercial License Usage
|
|
||||||
-- Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
-- accordance with the commercial license agreement provided with the
|
|
||||||
-- Software or, alternatively, in accordance with the terms contained in
|
|
||||||
-- a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
-- and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
-- information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
--
|
|
||||||
-- GNU Lesser General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
-- General Public License version 2.1 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.LGPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU Lesser General Public License version 2.1 requirements
|
|
||||||
-- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
--
|
|
||||||
-- As a special exception, The Qt Company gives you certain additional
|
|
||||||
-- rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
-- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
--
|
|
||||||
-- GNU General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU
|
|
||||||
-- General Public License version 3.0 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
-- met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
--
|
|
||||||
--
|
|
||||||
-- $QT_END_LICENSE$
|
|
||||||
--
|
|
||||||
----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
%parser GLSLParserTable
|
|
||||||
%merged_output glsl.cpp
|
|
||||||
|
|
||||||
%token ADD_ASSIGN
|
|
||||||
%token AMPERSAND
|
|
||||||
%token AND_ASSIGN
|
|
||||||
%token AND_OP
|
|
||||||
%token ATTRIBUTE
|
|
||||||
%token BANG
|
|
||||||
%token BOOL
|
|
||||||
%token BOOLCONSTANT
|
|
||||||
%token BREAK
|
|
||||||
%token BVEC2
|
|
||||||
%token BVEC3
|
|
||||||
%token BVEC4
|
|
||||||
%token CARET
|
|
||||||
%token COLON
|
|
||||||
%token COMMA
|
|
||||||
%token CONST
|
|
||||||
%token CONTINUE
|
|
||||||
%token DASH
|
|
||||||
%token DEC_OP
|
|
||||||
%token DISCARD
|
|
||||||
%token DIV_ASSIGN
|
|
||||||
%token DO
|
|
||||||
%token DOT
|
|
||||||
%token ELSE
|
|
||||||
%token EQUAL
|
|
||||||
%token EQ_OP
|
|
||||||
%token FLOAT
|
|
||||||
%token FLOATCONSTANT
|
|
||||||
%token FOR
|
|
||||||
%token GE_OP
|
|
||||||
%token IDENTIFIER
|
|
||||||
%token IF
|
|
||||||
%token IN
|
|
||||||
%token INC_OP
|
|
||||||
%token INOUT
|
|
||||||
%token INT
|
|
||||||
%token INTCONSTANT
|
|
||||||
%token IVEC2
|
|
||||||
%token IVEC3
|
|
||||||
%token IVEC4
|
|
||||||
%token LEFT_ANGLE
|
|
||||||
%token LEFT_ASSIGN
|
|
||||||
%token LEFT_BRACE
|
|
||||||
%token LEFT_BRACKET
|
|
||||||
%token LEFT_OP
|
|
||||||
%token LEFT_PAREN
|
|
||||||
%token LE_OP
|
|
||||||
%token MAT2
|
|
||||||
%token MAT3
|
|
||||||
%token MAT4
|
|
||||||
%token MOD_ASSIGN
|
|
||||||
%token MUL_ASSIGN
|
|
||||||
%token NE_OP
|
|
||||||
%token OR_ASSIGN
|
|
||||||
%token OR_OP
|
|
||||||
%token OUT
|
|
||||||
%token PERCENT
|
|
||||||
%token PLUS
|
|
||||||
%token QUESTION
|
|
||||||
%token RETURN
|
|
||||||
%token RIGHT_ANGLE
|
|
||||||
%token RIGHT_ASSIGN
|
|
||||||
%token RIGHT_BRACE
|
|
||||||
%token RIGHT_BRACKET
|
|
||||||
%token RIGHT_OP
|
|
||||||
%token RIGHT_PAREN
|
|
||||||
%token SAMPLER1D
|
|
||||||
%token SAMPLER1DSHADOW
|
|
||||||
%token SAMPLER2D
|
|
||||||
%token SAMPLER2DSHADOW
|
|
||||||
%token SAMPLER3D
|
|
||||||
%token SAMPLERCUBE
|
|
||||||
%token SEMICOLON
|
|
||||||
%token SLASH
|
|
||||||
%token STAR
|
|
||||||
%token STRUCT
|
|
||||||
%token SUB_ASSIGN
|
|
||||||
%token TILDE
|
|
||||||
%token TYPE_NAME
|
|
||||||
%token UNIFORM
|
|
||||||
%token VARYING
|
|
||||||
%token VEC2
|
|
||||||
%token VEC3
|
|
||||||
%token VEC4
|
|
||||||
%token VERTICAL_BAR
|
|
||||||
%token VOID
|
|
||||||
%token WHILE
|
|
||||||
%token XOR_ASSIGN
|
|
||||||
%token XOR_OP
|
|
||||||
%token ERROR
|
|
||||||
%token HIGH_PRECISION
|
|
||||||
%token MEDIUM_PRECISION
|
|
||||||
%token LOW_PRECISION
|
|
||||||
%start translation_unit
|
|
||||||
|
|
||||||
|
|
||||||
/:
|
|
||||||
|
|
||||||
#include <QtCore>
|
|
||||||
|
|
||||||
class GLSLParser: protected $table
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
union Value {
|
|
||||||
int i;
|
|
||||||
unsigned u;
|
|
||||||
unsigned long ul;
|
|
||||||
unsigned long long ull;
|
|
||||||
long l;
|
|
||||||
double d;
|
|
||||||
float f;
|
|
||||||
const QString *s;
|
|
||||||
// ### more...
|
|
||||||
};
|
|
||||||
|
|
||||||
public:
|
|
||||||
GLSLParser();
|
|
||||||
~GLSLParser();
|
|
||||||
|
|
||||||
bool parse();
|
|
||||||
|
|
||||||
protected:
|
|
||||||
inline void reallocateStack();
|
|
||||||
|
|
||||||
inline Value &sym(int index)
|
|
||||||
{ return sym_stack [tos + index - 1]; }
|
|
||||||
|
|
||||||
int nextToken();
|
|
||||||
|
|
||||||
bool isTypename(const QString *s) const
|
|
||||||
{
|
|
||||||
return types.contains(s);
|
|
||||||
}
|
|
||||||
|
|
||||||
inline const QString *intern(const QString &s)
|
|
||||||
{ return &*string_repository.insert(s); }
|
|
||||||
|
|
||||||
protected:
|
|
||||||
int tos;
|
|
||||||
int stack_size;
|
|
||||||
Value *sym_stack;
|
|
||||||
int *state_stack;
|
|
||||||
Value yylval;
|
|
||||||
QSet<QString> string_repository;
|
|
||||||
QSet<const QString*> types;
|
|
||||||
|
|
||||||
struct /*Context*/ {
|
|
||||||
int line;
|
|
||||||
const QString *function_name;
|
|
||||||
QString fileName;
|
|
||||||
|
|
||||||
void init()
|
|
||||||
{
|
|
||||||
line = 1;
|
|
||||||
function_name = 0;
|
|
||||||
fileName.clear();
|
|
||||||
}
|
|
||||||
} context;
|
|
||||||
};
|
|
||||||
|
|
||||||
inline void GLSLParser::reallocateStack()
|
|
||||||
{
|
|
||||||
if (! stack_size)
|
|
||||||
stack_size = 128;
|
|
||||||
else
|
|
||||||
stack_size <<= 1;
|
|
||||||
|
|
||||||
sym_stack = reinterpret_cast<Value*> (qRealloc(sym_stack, stack_size * sizeof(Value)));
|
|
||||||
state_stack = reinterpret_cast<int*> (qRealloc(state_stack, stack_size * sizeof(int)));
|
|
||||||
}
|
|
||||||
|
|
||||||
:/
|
|
||||||
|
|
||||||
|
|
||||||
/.
|
|
||||||
|
|
||||||
GLSLParser::GLSLParser():
|
|
||||||
tos(0),
|
|
||||||
stack_size(0),
|
|
||||||
sym_stack(0),
|
|
||||||
state_stack(0)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
GLSLParser::~GLSLParser()
|
|
||||||
{
|
|
||||||
if (stack_size) {
|
|
||||||
::free(sym_stack);
|
|
||||||
::free(state_stack);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool GLSLParser::parse()
|
|
||||||
{
|
|
||||||
const int INITIAL_STATE = 0;
|
|
||||||
|
|
||||||
int yytoken = -1;
|
|
||||||
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
context.init();
|
|
||||||
tos = 0;
|
|
||||||
state_stack[++tos] = INITIAL_STATE;
|
|
||||||
|
|
||||||
while (true)
|
|
||||||
{
|
|
||||||
if (yytoken == -1 && - TERMINAL_COUNT != action_index [state_stack [tos]])
|
|
||||||
yytoken = nextToken();
|
|
||||||
|
|
||||||
int act = t_action (state_stack [tos], yytoken);
|
|
||||||
|
|
||||||
if (act == ACCEPT_STATE) {
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act > 0)
|
|
||||||
{
|
|
||||||
if (++tos == stack_size)
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
sym_stack [tos] = yylval;
|
|
||||||
state_stack [tos] = act;
|
|
||||||
yytoken = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act < 0)
|
|
||||||
{
|
|
||||||
int r = - act - 1;
|
|
||||||
|
|
||||||
int ridx = rule_index [r];
|
|
||||||
printf ("*** reduce using rule %d %s ::=", r + 1, spell[rule_info [ridx]]);
|
|
||||||
++ridx;
|
|
||||||
for (int i = ridx; i < ridx + rhs [r]; ++i)
|
|
||||||
{
|
|
||||||
int symbol = rule_info [i];
|
|
||||||
if (const char *name = spell [symbol])
|
|
||||||
printf (" %s", name);
|
|
||||||
else
|
|
||||||
printf (" #%d", symbol);
|
|
||||||
}
|
|
||||||
printf ("\n");
|
|
||||||
|
|
||||||
tos -= rhs [r];
|
|
||||||
act = state_stack [tos++];
|
|
||||||
|
|
||||||
switch (r) {
|
|
||||||
./
|
|
||||||
|
|
||||||
|
|
||||||
translation_unit ::= external_declaration ;
|
|
||||||
translation_unit ::= translation_unit external_declaration ;
|
|
||||||
|
|
||||||
variable_identifier ::= IDENTIFIER ;
|
|
||||||
|
|
||||||
primary_expression ::= variable_identifier ;
|
|
||||||
primary_expression ::= INTCONSTANT ;
|
|
||||||
primary_expression ::= FLOATCONSTANT ;
|
|
||||||
primary_expression ::= BOOLCONSTANT ;
|
|
||||||
primary_expression ::= LEFT_PAREN expression RIGHT_PAREN ;
|
|
||||||
|
|
||||||
|
|
||||||
postfix_expression ::= primary_expression ;
|
|
||||||
postfix_expression ::= postfix_expression LEFT_BRACKET integer_expression RIGHT_BRACKET ;
|
|
||||||
postfix_expression ::= function_call ;
|
|
||||||
postfix_expression ::= postfix_expression DOT IDENTIFIER ;
|
|
||||||
postfix_expression ::= postfix_expression DOT TYPE_NAME ;
|
|
||||||
postfix_expression ::= postfix_expression INC_OP ;
|
|
||||||
postfix_expression ::= postfix_expression DEC_OP ;
|
|
||||||
|
|
||||||
|
|
||||||
integer_expression ::= expression ;
|
|
||||||
|
|
||||||
function_call ::= function_call_generic ;
|
|
||||||
|
|
||||||
function_call_generic ::= function_call_header_with_parameters RIGHT_PAREN ;
|
|
||||||
function_call_generic ::= function_call_header_no_parameters RIGHT_PAREN ;
|
|
||||||
|
|
||||||
function_call_header_no_parameters ::= function_call_header VOID ;
|
|
||||||
function_call_header_no_parameters ::= function_call_header ;
|
|
||||||
|
|
||||||
|
|
||||||
function_call_header_with_parameters ::= function_call_header assignment_expression ;
|
|
||||||
function_call_header_with_parameters ::= function_call_header_with_parameters COMMA assignment_expression ;
|
|
||||||
|
|
||||||
function_call_header ::= function_identifier LEFT_PAREN ;
|
|
||||||
|
|
||||||
function_identifier ::= constructor_identifier ;
|
|
||||||
function_identifier ::= IDENTIFIER ;
|
|
||||||
|
|
||||||
|
|
||||||
constructor_identifier ::= FLOAT ;
|
|
||||||
constructor_identifier ::= INT ;
|
|
||||||
constructor_identifier ::= BOOL ;
|
|
||||||
constructor_identifier ::= VEC2 ;
|
|
||||||
constructor_identifier ::= VEC3 ;
|
|
||||||
constructor_identifier ::= VEC4 ;
|
|
||||||
constructor_identifier ::= BVEC2 ;
|
|
||||||
constructor_identifier ::= BVEC3 ;
|
|
||||||
constructor_identifier ::= BVEC4 ;
|
|
||||||
constructor_identifier ::= IVEC2 ;
|
|
||||||
constructor_identifier ::= IVEC3 ;
|
|
||||||
constructor_identifier ::= IVEC4 ;
|
|
||||||
constructor_identifier ::= MAT2 ;
|
|
||||||
constructor_identifier ::= MAT3 ;
|
|
||||||
constructor_identifier ::= MAT4 ;
|
|
||||||
constructor_identifier ::= TYPE_NAME ;
|
|
||||||
|
|
||||||
unary_expression ::= postfix_expression ;
|
|
||||||
unary_expression ::= INC_OP unary_expression ;
|
|
||||||
unary_expression ::= DEC_OP unary_expression ;
|
|
||||||
unary_expression ::= unary_operator unary_expression ;
|
|
||||||
|
|
||||||
-- Grammar Note: No traditional style type casts.
|
|
||||||
|
|
||||||
unary_operator ::= PLUS ;
|
|
||||||
unary_operator ::= DASH ;
|
|
||||||
unary_operator ::= BANG ;
|
|
||||||
unary_operator ::= TILDE ; -- reserved
|
|
||||||
|
|
||||||
-- Grammar Note: No '*' or '&' unary ops. Pointers are not supported.
|
|
||||||
|
|
||||||
multiplicative_expression ::= unary_expression ;
|
|
||||||
multiplicative_expression ::= multiplicative_expression STAR unary_expression ;
|
|
||||||
multiplicative_expression ::= multiplicative_expression SLASH unary_expression ;
|
|
||||||
multiplicative_expression ::= multiplicative_expression PERCENT unary_expression ; -- reserved
|
|
||||||
|
|
||||||
|
|
||||||
additive_expression ::= multiplicative_expression ;
|
|
||||||
additive_expression ::= additive_expression PLUS multiplicative_expression ;
|
|
||||||
additive_expression ::= additive_expression DASH multiplicative_expression ;
|
|
||||||
|
|
||||||
shift_expression ::= additive_expression ;
|
|
||||||
shift_expression ::= shift_expression LEFT_OP additive_expression ; -- reserved
|
|
||||||
shift_expression ::= shift_expression RIGHT_OP additive_expression ; -- reserved
|
|
||||||
|
|
||||||
relational_expression ::= shift_expression ;
|
|
||||||
relational_expression ::= relational_expression LEFT_ANGLE shift_expression ;
|
|
||||||
relational_expression ::= relational_expression RIGHT_ANGLE shift_expression ;
|
|
||||||
relational_expression ::= relational_expression LE_OP shift_expression ;
|
|
||||||
relational_expression ::= relational_expression GE_OP shift_expression ;
|
|
||||||
|
|
||||||
equality_expression ::= relational_expression ;
|
|
||||||
equality_expression ::= equality_expression EQ_OP relational_expression ;
|
|
||||||
equality_expression ::= equality_expression NE_OP relational_expression ;
|
|
||||||
|
|
||||||
and_expression ::= equality_expression ;
|
|
||||||
and_expression ::= and_expression AMPERSAND equality_expression ; -- reserved
|
|
||||||
|
|
||||||
exclusive_or_expression ::= and_expression ;
|
|
||||||
exclusive_or_expression ::= exclusive_or_expression CARET and_expression ; -- reserved
|
|
||||||
|
|
||||||
inclusive_or_expression ::= exclusive_or_expression ;
|
|
||||||
inclusive_or_expression ::= inclusive_or_expression VERTICAL_BAR exclusive_or_expression ; -- reserved
|
|
||||||
|
|
||||||
logical_and_expression ::= inclusive_or_expression ;
|
|
||||||
logical_and_expression ::= logical_and_expression AND_OP inclusive_or_expression ;
|
|
||||||
|
|
||||||
logical_xor_expression ::= logical_and_expression ;
|
|
||||||
logical_xor_expression ::= logical_xor_expression XOR_OP logical_and_expression ;
|
|
||||||
|
|
||||||
logical_or_expression ::= logical_xor_expression ;
|
|
||||||
logical_or_expression ::= logical_or_expression OR_OP logical_xor_expression ;
|
|
||||||
|
|
||||||
conditional_expression ::= logical_or_expression ;
|
|
||||||
conditional_expression ::= logical_or_expression QUESTION expression COLON conditional_expression ;
|
|
||||||
|
|
||||||
assignment_expression ::= conditional_expression ;
|
|
||||||
assignment_expression ::= unary_expression assignment_operator assignment_expression ;
|
|
||||||
|
|
||||||
assignment_operator ::= EQUAL ;
|
|
||||||
assignment_operator ::= MUL_ASSIGN ;
|
|
||||||
assignment_operator ::= DIV_ASSIGN ;
|
|
||||||
assignment_operator ::= MOD_ASSIGN ; -- reserved
|
|
||||||
assignment_operator ::= ADD_ASSIGN ;
|
|
||||||
assignment_operator ::= SUB_ASSIGN ;
|
|
||||||
assignment_operator ::= LEFT_ASSIGN ; -- reserved
|
|
||||||
assignment_operator ::= RIGHT_ASSIGN ; -- reserved
|
|
||||||
assignment_operator ::= AND_ASSIGN ; -- reserved
|
|
||||||
assignment_operator ::= XOR_ASSIGN ; -- reserved
|
|
||||||
assignment_operator ::= OR_ASSIGN ; -- reserved
|
|
||||||
|
|
||||||
expression ::= assignment_expression ;
|
|
||||||
expression ::= expression COMMA assignment_expression ;
|
|
||||||
|
|
||||||
constant_expression ::= conditional_expression ;
|
|
||||||
|
|
||||||
declaration ::= function_prototype SEMICOLON ;
|
|
||||||
declaration ::= init_declarator_list SEMICOLON ;
|
|
||||||
|
|
||||||
function_prototype ::= function_declarator RIGHT_PAREN ;
|
|
||||||
|
|
||||||
function_declarator ::= function_header ;
|
|
||||||
function_declarator ::= function_header_with_parameters ;
|
|
||||||
|
|
||||||
function_header_with_parameters ::= function_header parameter_declaration ;
|
|
||||||
function_header_with_parameters ::= function_header_with_parameters COMMA parameter_declaration ;
|
|
||||||
|
|
||||||
function_header ::= fully_specified_type IDENTIFIER LEFT_PAREN ;
|
|
||||||
/.
|
|
||||||
case $rule_number: {
|
|
||||||
context.function_name = sym(2).s;
|
|
||||||
} break;
|
|
||||||
./
|
|
||||||
|
|
||||||
parameter_declarator ::= type_specifier IDENTIFIER ;
|
|
||||||
parameter_declarator ::= type_specifier IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET ;
|
|
||||||
|
|
||||||
parameter_declaration ::= type_qualifier parameter_qualifier parameter_declarator ;
|
|
||||||
parameter_declaration ::= parameter_qualifier parameter_declarator ;
|
|
||||||
parameter_declaration ::= type_qualifier parameter_qualifier parameter_type_specifier ;
|
|
||||||
parameter_declaration ::= parameter_qualifier parameter_type_specifier ;
|
|
||||||
|
|
||||||
parameter_qualifier ::= ;
|
|
||||||
parameter_qualifier ::= IN ;
|
|
||||||
parameter_qualifier ::= OUT ;
|
|
||||||
parameter_qualifier ::= INOUT ;
|
|
||||||
|
|
||||||
parameter_type_specifier ::= type_specifier ;
|
|
||||||
parameter_type_specifier ::= type_specifier LEFT_BRACKET constant_expression RIGHT_BRACKET ;
|
|
||||||
|
|
||||||
init_declarator_list ::= single_declaration ;
|
|
||||||
init_declarator_list ::= init_declarator_list COMMA IDENTIFIER ;
|
|
||||||
init_declarator_list ::= init_declarator_list COMMA IDENTIFIER LEFT_BRACKET RIGHT_BRACKET ;
|
|
||||||
init_declarator_list ::= init_declarator_list COMMA IDENTIFIER LEFT_BRACKET constant_expression ;
|
|
||||||
init_declarator_list ::= RIGHT_BRACKET ;
|
|
||||||
init_declarator_list ::= init_declarator_list COMMA IDENTIFIER EQUAL initializer ;
|
|
||||||
|
|
||||||
single_declaration ::= fully_specified_type ;
|
|
||||||
single_declaration ::= fully_specified_type IDENTIFIER ;
|
|
||||||
single_declaration ::= fully_specified_type IDENTIFIER LEFT_BRACKET RIGHT_BRACKET ;
|
|
||||||
single_declaration ::= fully_specified_type IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET ;
|
|
||||||
single_declaration ::= fully_specified_type IDENTIFIER EQUAL initializer ;
|
|
||||||
|
|
||||||
-- Grammar Note: No 'enum', or 'typedef'.
|
|
||||||
|
|
||||||
--fully_specified_type ::= type_specifier ;
|
|
||||||
--fully_specified_type ::= type_qualifier type_specifier ;
|
|
||||||
|
|
||||||
fully_specified_type ::= type_specifier ;
|
|
||||||
fully_specified_type ::= type_qualifier ;
|
|
||||||
fully_specified_type ::= fully_specified_type type_specifier ;
|
|
||||||
fully_specified_type ::= fully_specified_type type_qualifier ;
|
|
||||||
|
|
||||||
type_qualifier ::= CONST ;
|
|
||||||
type_qualifier ::= ATTRIBUTE ; -- Vertex only.
|
|
||||||
type_qualifier ::= VARYING ;
|
|
||||||
type_qualifier ::= UNIFORM ;
|
|
||||||
|
|
||||||
type_specifier ::= type_specifier_no_prec ;
|
|
||||||
type_specifier ::= precision_qualifier type_specifier_no_prec ;
|
|
||||||
|
|
||||||
type_specifier_no_prec ::= VOID ;
|
|
||||||
type_specifier_no_prec ::= FLOAT ;
|
|
||||||
type_specifier_no_prec ::= INT ;
|
|
||||||
type_specifier_no_prec ::= BOOL ;
|
|
||||||
type_specifier_no_prec ::= VEC2 ;
|
|
||||||
type_specifier_no_prec ::= VEC3 ;
|
|
||||||
type_specifier_no_prec ::= VEC4 ;
|
|
||||||
type_specifier_no_prec ::= BVEC2 ;
|
|
||||||
type_specifier_no_prec ::= BVEC3 ;
|
|
||||||
type_specifier_no_prec ::= BVEC4 ;
|
|
||||||
type_specifier_no_prec ::= IVEC2 ;
|
|
||||||
type_specifier_no_prec ::= IVEC3 ;
|
|
||||||
type_specifier_no_prec ::= IVEC4 ;
|
|
||||||
type_specifier_no_prec ::= MAT2 ;
|
|
||||||
type_specifier_no_prec ::= MAT3 ;
|
|
||||||
type_specifier_no_prec ::= MAT4 ;
|
|
||||||
type_specifier_no_prec ::= SAMPLER1D ;
|
|
||||||
type_specifier_no_prec ::= SAMPLER2D ;
|
|
||||||
type_specifier_no_prec ::= SAMPLER3D ;
|
|
||||||
type_specifier_no_prec ::= SAMPLERCUBE ;
|
|
||||||
type_specifier_no_prec ::= SAMPLER1DSHADOW ;
|
|
||||||
type_specifier_no_prec ::= SAMPLER2DSHADOW ;
|
|
||||||
type_specifier_no_prec ::= struct_specifier ;
|
|
||||||
type_specifier_no_prec ::= TYPE_NAME ;
|
|
||||||
|
|
||||||
precision_qualifier ::= HIGH_PRECISION ;
|
|
||||||
precision_qualifier ::= MEDIUM_PRECISION ;
|
|
||||||
precision_qualifier ::= LOW_PRECISION ;
|
|
||||||
|
|
||||||
struct_specifier ::= STRUCT IDENTIFIER LEFT_BRACE struct_declaration_list RIGHT_BRACE ;
|
|
||||||
/.
|
|
||||||
case $rule_number: {
|
|
||||||
types.insert(sym(2).s);
|
|
||||||
} break;
|
|
||||||
./
|
|
||||||
|
|
||||||
struct_specifier ::= STRUCT LEFT_BRACE struct_declaration_list RIGHT_BRACE ;
|
|
||||||
|
|
||||||
struct_declaration_list ::= struct_declaration ;
|
|
||||||
struct_declaration_list ::= struct_declaration_list struct_declaration ;
|
|
||||||
|
|
||||||
struct_declaration ::= type_specifier struct_declarator_list SEMICOLON ;
|
|
||||||
|
|
||||||
struct_declarator_list ::= struct_declarator ;
|
|
||||||
struct_declarator_list ::= struct_declarator_list COMMA struct_declarator ;
|
|
||||||
|
|
||||||
struct_declarator ::= IDENTIFIER ;
|
|
||||||
struct_declarator ::= IDENTIFIER LEFT_BRACKET constant_expression RIGHT_BRACKET ;
|
|
||||||
|
|
||||||
initializer ::= assignment_expression ;
|
|
||||||
|
|
||||||
declaration_statement ::= declaration ;
|
|
||||||
|
|
||||||
statement ::= compound_statement ;
|
|
||||||
statement ::= simple_statement ;
|
|
||||||
|
|
||||||
-- Grammar Note: No labeled statements; 'goto' is not supported.
|
|
||||||
|
|
||||||
simple_statement ::= declaration_statement ;
|
|
||||||
simple_statement ::= expression_statement ;
|
|
||||||
simple_statement ::= selection_statement ;
|
|
||||||
simple_statement ::= iteration_statement ;
|
|
||||||
simple_statement ::= jump_statement ;
|
|
||||||
|
|
||||||
compound_statement ::= LEFT_BRACE RIGHT_BRACE ;
|
|
||||||
compound_statement ::= LEFT_BRACE statement_list RIGHT_BRACE ;
|
|
||||||
|
|
||||||
statement_no_new_scope ::= compound_statement_no_new_scope ;
|
|
||||||
statement_no_new_scope ::= simple_statement ;
|
|
||||||
|
|
||||||
compound_statement_no_new_scope ::= LEFT_BRACE RIGHT_BRACE ;
|
|
||||||
compound_statement_no_new_scope ::= LEFT_BRACE statement_list RIGHT_BRACE ;
|
|
||||||
|
|
||||||
statement_list ::= statement ;
|
|
||||||
statement_list ::= statement_list statement ;
|
|
||||||
|
|
||||||
expression_statement ::= SEMICOLON ;
|
|
||||||
expression_statement ::= expression SEMICOLON ;
|
|
||||||
|
|
||||||
selection_statement ::= IF LEFT_PAREN expression RIGHT_PAREN statement ELSE statement ;
|
|
||||||
selection_statement ::= IF LEFT_PAREN expression RIGHT_PAREN statement ;
|
|
||||||
|
|
||||||
-- Grammar Note: No 'switch'. Switch statements not supported.
|
|
||||||
|
|
||||||
condition ::= expression ;
|
|
||||||
condition ::= fully_specified_type IDENTIFIER EQUAL initializer ;
|
|
||||||
|
|
||||||
iteration_statement ::= WHILE LEFT_PAREN condition RIGHT_PAREN statement_no_new_scope ;
|
|
||||||
iteration_statement ::= DO statement WHILE LEFT_PAREN expression RIGHT_PAREN SEMICOLON ;
|
|
||||||
iteration_statement ::= FOR LEFT_PAREN for_init_statement for_rest_statement RIGHT_PAREN statement_no_new_scope ;
|
|
||||||
|
|
||||||
for_init_statement ::= expression_statement ;
|
|
||||||
for_init_statement ::= declaration_statement ;
|
|
||||||
|
|
||||||
conditionopt ::= ;
|
|
||||||
conditionopt ::= condition ;
|
|
||||||
|
|
||||||
for_rest_statement ::= conditionopt SEMICOLON ;
|
|
||||||
for_rest_statement ::= conditionopt SEMICOLON expression ;
|
|
||||||
|
|
||||||
jump_statement ::= CONTINUE SEMICOLON ;
|
|
||||||
jump_statement ::= BREAK SEMICOLON ;
|
|
||||||
jump_statement ::= RETURN SEMICOLON ;
|
|
||||||
jump_statement ::= RETURN expression SEMICOLON ;
|
|
||||||
jump_statement ::= DISCARD SEMICOLON ; -- Fragment shader only.
|
|
||||||
|
|
||||||
-- Grammar Note: No 'goto'. Gotos are not supported.
|
|
||||||
|
|
||||||
external_declaration ::= function_definition ;
|
|
||||||
external_declaration ::= declaration ;
|
|
||||||
|
|
||||||
function_definition ::= function_prototype compound_statement_no_new_scope ;
|
|
||||||
/.
|
|
||||||
case $rule_number: { // $rule_name
|
|
||||||
qDebug() << "--> function" << *context.function_name;
|
|
||||||
} break;
|
|
||||||
./
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/.
|
|
||||||
} // switch
|
|
||||||
|
|
||||||
state_stack [tos] = nt_action (act, lhs [r] - TERMINAL_COUNT);
|
|
||||||
}
|
|
||||||
|
|
||||||
else
|
|
||||||
{
|
|
||||||
// ### ERROR RECOVERY HERE
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fprintf (stderr, "%s:%d: Syntax Error\n", qPrintable(context.fileName), context.line);
|
|
||||||
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
#include "glsl-lex.incl"
|
|
||||||
|
|
||||||
|
|
||||||
/////////////////////////////
|
|
||||||
// entry point
|
|
||||||
/////////////////////////////
|
|
||||||
int main()
|
|
||||||
{
|
|
||||||
#if 0 // dump the GLSL grammar
|
|
||||||
for (int r = 0; r < GLSLParserTable::RULE_COUNT; ++r)
|
|
||||||
{
|
|
||||||
int ridx = GLSLParserTable::rule_index [r];
|
|
||||||
int rhs = GLSLParserTable::rhs [r];
|
|
||||||
printf ("%3d) %s ::=", r + 1, GLSLParserTable::spell[GLSLParserTable::rule_info [ridx]]);
|
|
||||||
++ridx;
|
|
||||||
for (int i = ridx; i < ridx + rhs; ++i)
|
|
||||||
{
|
|
||||||
int symbol = GLSLParserTable::rule_info [i];
|
|
||||||
if (const char *name = GLSLParserTable::spell [symbol])
|
|
||||||
printf (" %s", name);
|
|
||||||
else
|
|
||||||
printf (" #%d", symbol);
|
|
||||||
}
|
|
||||||
printf ("\n");
|
|
||||||
}
|
|
||||||
#endif
|
|
||||||
|
|
||||||
GLSLParser parser;
|
|
||||||
|
|
||||||
if (parser.parse())
|
|
||||||
qDebug() << "OK";
|
|
||||||
else
|
|
||||||
qDebug() << "KO";
|
|
||||||
}
|
|
||||||
|
|
||||||
./
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
QT = core
|
|
||||||
TARGET = glsl.bin
|
|
||||||
SOURCES += glsl.cpp
|
|
||||||
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
qlalr lambda.g
|
|
||||||
qmake
|
|
||||||
make
|
|
||||||
|
|
@ -1,80 +0,0 @@
|
||||||
----------------------------------------------------------------------------
|
|
||||||
--
|
|
||||||
-- Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
--
|
|
||||||
-- This file is part of the QtCore module of the Katie Toolkit.
|
|
||||||
--
|
|
||||||
-- $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
-- Commercial License Usage
|
|
||||||
-- Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
-- accordance with the commercial license agreement provided with the
|
|
||||||
-- Software or, alternatively, in accordance with the terms contained in
|
|
||||||
-- a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
-- and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
-- information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
--
|
|
||||||
-- GNU Lesser General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
-- General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
-- Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
-- LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
-- following information to ensure the GNU Lesser General Public License
|
|
||||||
-- requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
-- http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
--
|
|
||||||
-- As a special exception, The Qt Company gives you certain additional
|
|
||||||
-- rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
-- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
--
|
|
||||||
-- GNU General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU
|
|
||||||
-- General Public License version 3.0 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
-- met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
--
|
|
||||||
-- $QT_END_LICENSE$
|
|
||||||
--
|
|
||||||
----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
-- lambda calculus
|
|
||||||
|
|
||||||
%decl lambda.h
|
|
||||||
|
|
||||||
%token LPAREN
|
|
||||||
%token RPAREN
|
|
||||||
%token ID
|
|
||||||
%token FUN
|
|
||||||
%token DOT
|
|
||||||
|
|
||||||
%nonassoc SHIFT_THERE
|
|
||||||
%nonassoc LPAREN RPAREN ID FUN DOT
|
|
||||||
%nonassoc REDUCE_HERE
|
|
||||||
|
|
||||||
%start Expr
|
|
||||||
|
|
||||||
/:
|
|
||||||
enum {
|
|
||||||
:/
|
|
||||||
|
|
||||||
|
|
||||||
Expr ::= ID %prec SHIFT_THERE ;
|
|
||||||
/: Symbol = $rule_number,
|
|
||||||
:/
|
|
||||||
|
|
||||||
Expr ::= LPAREN Expr RPAREN %prec SHIFT_THERE ;
|
|
||||||
/: SubExpression = $rule_number,
|
|
||||||
:/
|
|
||||||
|
|
||||||
Expr ::= Expr Expr %prec REDUCE_HERE ;
|
|
||||||
/: Appl = $rule_number,
|
|
||||||
:/
|
|
||||||
|
|
||||||
Expr ::= FUN ID DOT Expr %prec SHIFT_THERE ;
|
|
||||||
/: Abstr = $rule_number,
|
|
||||||
:/
|
|
||||||
|
|
||||||
/:};
|
|
||||||
:/
|
|
||||||
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
HEADERS += lambda.h parser_table_p.h
|
|
||||||
SOURCES += main.cpp parser_table.cpp
|
|
||||||
QT = core
|
|
||||||
|
|
@ -1,199 +0,0 @@
|
||||||
/****************************************************************************
|
|
||||||
**
|
|
||||||
** Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
** Copyright (C) 2016-2019 Ivailo Monev
|
|
||||||
**
|
|
||||||
** This file is part of the QLALR module of the Katie Toolkit.
|
|
||||||
**
|
|
||||||
** $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
** Commercial License Usage
|
|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
** accordance with the commercial license agreement provided with the
|
|
||||||
** Software or, alternatively, in accordance with the terms contained in
|
|
||||||
** a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
** information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
**
|
|
||||||
** GNU Lesser General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
**
|
|
||||||
** As a special exception, The Qt Company gives you certain additional
|
|
||||||
** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
|
|
||||||
**
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#include "lambda.h"
|
|
||||||
|
|
||||||
#include <cstdio>
|
|
||||||
#include <cstdlib>
|
|
||||||
#include <cstring>
|
|
||||||
#include "parser_table_p.h"
|
|
||||||
|
|
||||||
class Parser: protected parser_table
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
union Value {
|
|
||||||
int ival;
|
|
||||||
// ### more...
|
|
||||||
};
|
|
||||||
|
|
||||||
public:
|
|
||||||
Parser();
|
|
||||||
~Parser();
|
|
||||||
|
|
||||||
bool parse();
|
|
||||||
|
|
||||||
protected:
|
|
||||||
inline void reallocateStack();
|
|
||||||
|
|
||||||
inline Value &sym(int index)
|
|
||||||
{ return sym_stack [tos + index - 1]; }
|
|
||||||
|
|
||||||
int nextToken();
|
|
||||||
void consumeRule(int ruleno);
|
|
||||||
|
|
||||||
protected:
|
|
||||||
int tos;
|
|
||||||
int stack_size;
|
|
||||||
Value *sym_stack;
|
|
||||||
int *state_stack;
|
|
||||||
int current_char;
|
|
||||||
unsigned in_tag: 1;
|
|
||||||
};
|
|
||||||
|
|
||||||
inline void Parser::reallocateStack()
|
|
||||||
{
|
|
||||||
if (! stack_size)
|
|
||||||
stack_size = 128;
|
|
||||||
else
|
|
||||||
stack_size <<= 1;
|
|
||||||
|
|
||||||
sym_stack = reinterpret_cast<Value*> (::realloc(sym_stack, stack_size * sizeof(Value)));
|
|
||||||
state_stack = reinterpret_cast<int*> (::realloc(state_stack, stack_size * sizeof(int)));
|
|
||||||
}
|
|
||||||
|
|
||||||
Parser::Parser():
|
|
||||||
tos(0),
|
|
||||||
stack_size(0),
|
|
||||||
sym_stack(0),
|
|
||||||
state_stack(0)
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
Parser::~Parser()
|
|
||||||
{
|
|
||||||
if (stack_size) {
|
|
||||||
::free(sym_stack);
|
|
||||||
::free(state_stack);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
bool Parser::parse()
|
|
||||||
{
|
|
||||||
const int INITIAL_STATE = 0;
|
|
||||||
|
|
||||||
current_char = 0;
|
|
||||||
in_tag = 0;
|
|
||||||
|
|
||||||
int yytoken = -1;
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
tos = 0;
|
|
||||||
state_stack[++tos] = INITIAL_STATE;
|
|
||||||
|
|
||||||
while (true)
|
|
||||||
{
|
|
||||||
if (yytoken == -1 && - TERMINAL_COUNT != action_index [state_stack [tos]])
|
|
||||||
yytoken = nextToken();
|
|
||||||
|
|
||||||
int act = t_action (state_stack [tos], yytoken);
|
|
||||||
|
|
||||||
if (act == ACCEPT_STATE) {
|
|
||||||
return true;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act > 0)
|
|
||||||
{
|
|
||||||
if (++tos == stack_size)
|
|
||||||
reallocateStack();
|
|
||||||
|
|
||||||
sym_stack [tos].ival = current_char; // ### save the token value here
|
|
||||||
state_stack [tos] = act;
|
|
||||||
yytoken = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act < 0)
|
|
||||||
{
|
|
||||||
int r = - act - 1;
|
|
||||||
|
|
||||||
tos -= rhs [r];
|
|
||||||
act = state_stack [tos++];
|
|
||||||
consumeRule (r);
|
|
||||||
state_stack [tos] = nt_action (act, lhs [r] - TERMINAL_COUNT);
|
|
||||||
}
|
|
||||||
|
|
||||||
else
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
int Parser::nextToken()
|
|
||||||
{
|
|
||||||
static int tokens[] = { ID, ID, ID, EOF_SYMBOL };
|
|
||||||
static int *tk = tokens;
|
|
||||||
|
|
||||||
return *tk++;
|
|
||||||
}
|
|
||||||
|
|
||||||
void Parser::consumeRule(int ruleno)
|
|
||||||
{
|
|
||||||
switch (ruleno) {
|
|
||||||
case Symbol:
|
|
||||||
printf("symbol\n");
|
|
||||||
break;
|
|
||||||
case SubExpression:
|
|
||||||
printf("sub-expr\n");
|
|
||||||
break;
|
|
||||||
case Appl:
|
|
||||||
printf("appl\n");
|
|
||||||
break;
|
|
||||||
case Abstr:
|
|
||||||
printf("abstr\n");
|
|
||||||
break;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
/////////////////////////////
|
|
||||||
// entry point
|
|
||||||
/////////////////////////////
|
|
||||||
int main()
|
|
||||||
{
|
|
||||||
Parser parser;
|
|
||||||
|
|
||||||
if (parser.parse())
|
|
||||||
printf ("OK\n");
|
|
||||||
else
|
|
||||||
printf ("KO\n");
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
|
|
@ -1,3 +0,0 @@
|
||||||
qlalr calc.g
|
|
||||||
qmake
|
|
||||||
make
|
|
||||||
|
|
@ -1,132 +0,0 @@
|
||||||
----------------------------------------------------------------------------
|
|
||||||
--
|
|
||||||
-- Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
--
|
|
||||||
-- This file is part of the QtCore module of the Katie Toolkit.
|
|
||||||
--
|
|
||||||
-- $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
-- Commercial License Usage
|
|
||||||
-- Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
-- accordance with the commercial license agreement provided with the
|
|
||||||
-- Software or, alternatively, in accordance with the terms contained in
|
|
||||||
-- a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
-- and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
-- information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
--
|
|
||||||
-- GNU Lesser General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
-- General Public License version 2.1 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.LGPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU Lesser General Public License version 2.1 requirements
|
|
||||||
-- will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
--
|
|
||||||
-- As a special exception, The Qt Company gives you certain additional
|
|
||||||
-- rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
-- version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
--
|
|
||||||
-- GNU General Public License Usage
|
|
||||||
-- Alternatively, this file may be used under the terms of the GNU
|
|
||||||
-- General Public License version 3.0 as published by the Free Software
|
|
||||||
-- Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
-- packaging of this file. Please review the following information to
|
|
||||||
-- ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
-- met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
--
|
|
||||||
--
|
|
||||||
-- $QT_END_LICENSE$
|
|
||||||
--
|
|
||||||
----------------------------------------------------------------------------
|
|
||||||
|
|
||||||
%parser calc_grammar
|
|
||||||
%decl calc_parser.h
|
|
||||||
%impl calc_parser.cpp
|
|
||||||
|
|
||||||
%token_prefix Token_
|
|
||||||
%token number
|
|
||||||
%token lparen
|
|
||||||
%token rparen
|
|
||||||
%token plus
|
|
||||||
%token minus
|
|
||||||
|
|
||||||
%start Goal
|
|
||||||
|
|
||||||
/:
|
|
||||||
#ifndef CALC_PARSER_H
|
|
||||||
#define CALC_PARSER_H
|
|
||||||
|
|
||||||
#include "qparser.h"
|
|
||||||
#include "calc_grammar_p.h"
|
|
||||||
|
|
||||||
class CalcParser: public QParser<CalcParser, $table>
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
int nextToken();
|
|
||||||
void consumeRule(int ruleno);
|
|
||||||
};
|
|
||||||
|
|
||||||
#endif // CALC_PARSER_H
|
|
||||||
:/
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/.
|
|
||||||
#include "calc_parser.h"
|
|
||||||
|
|
||||||
#include <QtDebug>
|
|
||||||
#include <cstdlib>
|
|
||||||
|
|
||||||
void CalcParser::consumeRule(int ruleno)
|
|
||||||
{
|
|
||||||
switch (ruleno) {
|
|
||||||
./
|
|
||||||
|
|
||||||
Goal: Expression ;
|
|
||||||
/.
|
|
||||||
case $rule_number:
|
|
||||||
qDebug() << "value:" << sym(1);
|
|
||||||
break;
|
|
||||||
./
|
|
||||||
|
|
||||||
PrimaryExpression: number ;
|
|
||||||
PrimaryExpression: lparen Expression rparen ;
|
|
||||||
/.
|
|
||||||
case $rule_number:
|
|
||||||
sym(1) = sym (2);
|
|
||||||
break;
|
|
||||||
./
|
|
||||||
|
|
||||||
Expression: PrimaryExpression ;
|
|
||||||
|
|
||||||
Expression: Expression plus PrimaryExpression;
|
|
||||||
/.
|
|
||||||
case $rule_number:
|
|
||||||
sym(1) += sym (3);
|
|
||||||
break;
|
|
||||||
./
|
|
||||||
|
|
||||||
Expression: Expression minus PrimaryExpression;
|
|
||||||
/.
|
|
||||||
case $rule_number:
|
|
||||||
sym(1) -= sym (3);
|
|
||||||
break;
|
|
||||||
./
|
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
/.
|
|
||||||
} // switch
|
|
||||||
}
|
|
||||||
|
|
||||||
#include <cstdio>
|
|
||||||
|
|
||||||
int main()
|
|
||||||
{
|
|
||||||
CalcParser p;
|
|
||||||
|
|
||||||
if (p.parse())
|
|
||||||
printf("ok\n");
|
|
||||||
}
|
|
||||||
./
|
|
||||||
|
|
@ -1,61 +0,0 @@
|
||||||
|
|
||||||
%option noyywrap
|
|
||||||
|
|
||||||
%{
|
|
||||||
/****************************************************************************
|
|
||||||
**
|
|
||||||
** Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
** Copyright (C) 2016-2019 Ivailo Monev
|
|
||||||
**
|
|
||||||
** This file is part of the QLALR tool of the Katie Toolkit.
|
|
||||||
**
|
|
||||||
** $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
** Commercial License Usage
|
|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
** accordance with the commercial license agreement provided with the
|
|
||||||
** Software or, alternatively, in accordance with the terms contained in
|
|
||||||
** a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
** information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
**
|
|
||||||
** GNU Lesser General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
**
|
|
||||||
** As a special exception, The Qt Company gives you certain additional
|
|
||||||
** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
|
|
||||||
**
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#include "calc_parser.h"
|
|
||||||
#include <cstdlib>
|
|
||||||
|
|
||||||
#define YY_DECL int CalcParser::nextToken()
|
|
||||||
%}
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
||||||
[ \t\n] { /* eat me */ }
|
|
||||||
[0-9]+ { sym(1) = atoi (yytext); return Token_number; }
|
|
||||||
"(" { return Token_lparen; }
|
|
||||||
")" { return Token_rparen; }
|
|
||||||
"+" { return Token_plus; }
|
|
||||||
"-" { return Token_minus; }
|
|
||||||
|
|
||||||
%%
|
|
||||||
|
|
@ -1,43 +0,0 @@
|
||||||
/****************************************************************************
|
|
||||||
**
|
|
||||||
** Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
** Copyright (C) 2016-2019 Ivailo Monev
|
|
||||||
**
|
|
||||||
** This file is part of the QLALR module of the Katie Toolkit.
|
|
||||||
**
|
|
||||||
** $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
** Commercial License Usage
|
|
||||||
** Licensees holding valid commercial Qt licenses may use this file in
|
|
||||||
** accordance with the commercial license agreement provided with the
|
|
||||||
** Software or, alternatively, in accordance with the terms contained in
|
|
||||||
** a written agreement between you and The Qt Company. For licensing terms
|
|
||||||
** and conditions see http://www.qt.io/terms-conditions. For further
|
|
||||||
** information use the contact form at http://www.qt.io/contact-us.
|
|
||||||
**
|
|
||||||
** GNU Lesser General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
**
|
|
||||||
** As a special exception, The Qt Company gives you certain additional
|
|
||||||
** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
|
|
||||||
**
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#include "qparser.h"
|
|
||||||
|
|
||||||
|
|
@ -1,144 +0,0 @@
|
||||||
/****************************************************************************
|
|
||||||
**
|
|
||||||
** Copyright (C) 2015 The Qt Company Ltd.
|
|
||||||
** Copyright (C) 2016-2019 Ivailo Monev
|
|
||||||
**
|
|
||||||
** This file is part of the QLALR module of the Katie Toolkit.
|
|
||||||
**
|
|
||||||
** $QT_BEGIN_LICENSE:LGPL$
|
|
||||||
** GNU Lesser General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU Lesser
|
|
||||||
** General Public License version 2.1 or version 3 as published by the Free
|
|
||||||
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
|
|
||||||
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
|
|
||||||
** following information to ensure the GNU Lesser General Public License
|
|
||||||
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
|
|
||||||
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
|
|
||||||
**
|
|
||||||
** As a special exception, The Qt Company gives you certain additional
|
|
||||||
** rights. These rights are described in The Qt Company LGPL Exception
|
|
||||||
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
|
|
||||||
**
|
|
||||||
** GNU General Public License Usage
|
|
||||||
** Alternatively, this file may be used under the terms of the GNU
|
|
||||||
** General Public License version 3.0 as published by the Free Software
|
|
||||||
** Foundation and appearing in the file LICENSE.GPL included in the
|
|
||||||
** packaging of this file. Please review the following information to
|
|
||||||
** ensure the GNU General Public License version 3.0 requirements will be
|
|
||||||
** met: http://www.gnu.org/copyleft/gpl.html.
|
|
||||||
**
|
|
||||||
** $QT_END_LICENSE$
|
|
||||||
**
|
|
||||||
****************************************************************************/
|
|
||||||
|
|
||||||
#ifndef QPARSER_H
|
|
||||||
#define QPARSER_H
|
|
||||||
|
|
||||||
#include <QtCore/QSharedDataPointer>
|
|
||||||
#include <QtCore/QVarLengthArray>
|
|
||||||
|
|
||||||
template <typename _Parser, typename _Table, typename _Value = int>
|
|
||||||
class QParser: protected _Table
|
|
||||||
{
|
|
||||||
public:
|
|
||||||
QParser();
|
|
||||||
~QParser();
|
|
||||||
|
|
||||||
bool parse();
|
|
||||||
|
|
||||||
inline _Value &sym(int index);
|
|
||||||
|
|
||||||
private:
|
|
||||||
inline int nextToken()
|
|
||||||
{
|
|
||||||
return static_cast<_Parser*> (this)->nextToken();
|
|
||||||
}
|
|
||||||
|
|
||||||
inline void consumeRule(int rule)
|
|
||||||
{
|
|
||||||
static_cast<_Parser*> (this)->consumeRule(rule);
|
|
||||||
}
|
|
||||||
|
|
||||||
enum { DefaultStackSize = 128 };
|
|
||||||
|
|
||||||
struct Data: public QSharedData
|
|
||||||
{
|
|
||||||
Data(): stackSize (DefaultStackSize), tos (0) {}
|
|
||||||
|
|
||||||
QVarLengthArray<int, DefaultStackSize> stateStack;
|
|
||||||
QVarLengthArray<_Value, DefaultStackSize> parseStack;
|
|
||||||
int stackSize;
|
|
||||||
int tos;
|
|
||||||
|
|
||||||
void reallocateStack() {
|
|
||||||
stackSize <<= 1;
|
|
||||||
stateStack.resize(stackSize);
|
|
||||||
parseStack.resize(stackSize);
|
|
||||||
}
|
|
||||||
};
|
|
||||||
|
|
||||||
QSharedDataPointer<Data> d;
|
|
||||||
};
|
|
||||||
|
|
||||||
template <typename _Parser, typename _Table, typename _Value>
|
|
||||||
inline _Value &QParser<_Parser, _Table, _Value>::sym(int n)
|
|
||||||
{
|
|
||||||
return d->parseStack [d->tos + n - 1];
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename _Parser, typename _Table, typename _Value>
|
|
||||||
QParser<_Parser, _Table, _Value>::QParser():
|
|
||||||
d(new Data())
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename _Parser, typename _Table, typename _Value>
|
|
||||||
QParser<_Parser, _Table, _Value>::~QParser()
|
|
||||||
{
|
|
||||||
}
|
|
||||||
|
|
||||||
template <typename _Parser, typename _Table, typename _Value>
|
|
||||||
bool QParser<_Parser, _Table, _Value>::parse()
|
|
||||||
{
|
|
||||||
const int INITIAL_STATE = 0;
|
|
||||||
|
|
||||||
d->tos = 0;
|
|
||||||
d->reallocateStack();
|
|
||||||
|
|
||||||
int act = d->stateStack[++d->tos] = INITIAL_STATE;
|
|
||||||
int token = -1;
|
|
||||||
|
|
||||||
forever {
|
|
||||||
if (token == -1 && - _Table::TERMINAL_COUNT != _Table::action_index[act])
|
|
||||||
token = nextToken();
|
|
||||||
|
|
||||||
act = _Table::t_action(act, token);
|
|
||||||
|
|
||||||
if (d->stateStack[d->tos] == _Table::ACCEPT_STATE)
|
|
||||||
return true;
|
|
||||||
|
|
||||||
else if (act > 0) {
|
|
||||||
if (++d->tos == d->stackSize)
|
|
||||||
d->reallocateStack();
|
|
||||||
|
|
||||||
d->parseStack[d->tos] = d->parseStack[d->tos - 1];
|
|
||||||
d->stateStack[d->tos] = act;
|
|
||||||
token = -1;
|
|
||||||
}
|
|
||||||
|
|
||||||
else if (act < 0) {
|
|
||||||
int r = - act - 1;
|
|
||||||
d->tos -= _Table::rhs[r];
|
|
||||||
act = d->stateStack[d->tos++];
|
|
||||||
consumeRule(r);
|
|
||||||
act = d->stateStack[d->tos] = _Table::nt_action(act, _Table::lhs[r] - _Table::TERMINAL_COUNT);
|
|
||||||
}
|
|
||||||
|
|
||||||
else break;
|
|
||||||
}
|
|
||||||
|
|
||||||
return false;
|
|
||||||
}
|
|
||||||
|
|
||||||
|
|
||||||
#endif // QPARSER_H
|
|
||||||
|
|
@ -1,4 +0,0 @@
|
||||||
QT = core
|
|
||||||
HEADERS += calc_grammar_p.h calc_parser.h qparser.h
|
|
||||||
SOURCES += calc_grammar.cpp calc_parser.cpp qparser.cpp
|
|
||||||
LEXSOURCES += calc.l
|
|
||||||
Loading…
Add table
Reference in a new issue