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-<h1 align="center">Superset C++ Grammar</h1>
-
-<hr>
-
-<p>This work area supports a demonstration of the superset C++
-grammar described in Chapter 5 of <a
-href="mailto:Ed.Willink@rrl.co.uk">Ed Willink</a>'s thesis on <a
-href="http://www.computing.surrey.ac.uk/research/dsrg/fog/FogThesis.html">Meta-Compilation
-for C++</a>. It contains working lex and yacc grammars that
-enable C++ source to be lexically analysed, then syntactically
-analysed without semantic knowlege. The lex and yacc grammar have
-their action routines defined by macros in the hope that
-reconfiguration may be possible without editing the grammars
-directly. The dummy implementations of the yacc macros do nothing
-other than count statements and diagnose the back-tracking
-behaviour. Users may add their own syntactic level code. A proper
-C++ parser needs semantic analysis as well, including correction
-of minor misprses at the syntactic level. Semantic interpretaion
-is provided by <a
-href="http://www.computing.surrey.ac.uk/research/dsrg/fog/">FOG</a>
-from which this demonstration is split off.</p>
-
-<p>The work area is self-sufficient, requiring only <em>lex</em>
-and <em>yacc</em>, or <em>flex</em> and <em>bison</em>.</p>
-
-<hr>
-
-<h2>Command Line</h2>
-
-<p>The test grammar is a simple command line utility, for
-analysing a single <strong>pre-processed</strong> source file
-(use CC -E to run just the preprocessor on your source files)..</p>
-
-<pre> grammar [options] < source-file</pre>
-
-<p>The full set of command line options is:</p>
-
-<pre> -c Recognise only C keywords - approximates C rather than C++ parsing
- -m Display mark activity.
- -n Echo line numbers.
- -t Echo source line text.
- -y Display yacc diagnostics.</pre>
-
-<p>On completion a three line diagnostic summarises the search
-activity. </p>
-
-<hr>
-
-<h2>Files</h2>
-
-<p><a href="CxxSrc.tgz">CxxSrc.tgz</a>, <a href="CxxNtSrc.tgz">CxxNtSrc.tgz</a>
-The source distribution kit including a Sun or NT executable.</p>
-
-<p><a href="CxxLexer.l">CxxLexer.l</a> A simple lexer for all C
-and/or C++ tokens</p>
-
-<p><a href="CxxParser.y">CxxParser.y</a> The parser,
-automatically extracted from FogParser.y.</p>
-
-<p><a href="CxxToken.hxx">CxxToken.hxx</a>, <a
-href="CxxToken.cxx">CxxToken.cxx</a> A trivial class used by the
-parser to represent each parsed token.</p>
-
-<p><a href="CxxLexing.hxx">CxxLexing.hxx</a>, <a
-href="CxxLexing.cxx">CxxLexing.cxx</a> Interface and
-implementation of token creation routines for the lexer.</p>
-
-<p><a href="CxxParsing.hxx">CxxParsing.hxx</a>, <a
-href="CxxParsing.cxx">CxxParsing.cxx</a> Interface and
-implementation of token manioulation routines for the parser.</p>
-
-<p><a href="CxxLexer.cpp">CxxLexer.cpp</a>, <a
-href="CxxParser.cpp">CxxParser.cpp</a>, <a href="CxxToken.cpp">CxxToken.cpp</a>
-Degenerate compilation units for the above.</p>
-
-<p><a href="makefile">makefile</a>, <a href="makefile.macros">makefile.macros</a>,
-<a href="CxxLexer.l">makefile.unix</a> Unix build scripts</p>
-
-<p><a href="makefile.gmake">makefile.gmake</a>, <a
-href="makefile.macros">makefile.macros</a>, <a href="grammar.dsw">grammar.dsw</a>,
-<a href="grammar.dsp">grammar.dsp</a> NT build scripts and
-DevStudio workspace and project</p>
-
-<p><a><u>sun4o/grammar</u></a> Built executable (on Unix)</p>
-
-<p><a><u>Release/grammar.exe</u></a> Built executable (on NT)</p>
-
-<hr>
-
-<h2>Unix Builds</h2>
-
-<p>The code builds under Solaris 2.5 and with Sun C++ 4.2.</p>
-
-<pre> make sun</pre>
-
-<p>or Gnu egcs-1.0.2 release, with flex 2.3.7, bison 1.16</p>
-
-<pre> make gnu</pre>
-
-<hr>
-
-<h2>NT Builds</h2>
-
-<p>The code builds under NT 4 and has been tested with DevStudio
-V6 and cygwin 1.1.</p>
-
-<h3>a) cygwin</h3>
-
-<p>You need cygwin, the latest version of which is available <a
-href="ftp://sunsite.org.uk:21/Mirrors/sourceware.cygnus.com/pub/cygwin/setup.exe">ftp://sunsite.org.uk:21/Mirrors/sourceware.cygnus.com/pub/cygwin/setup.exe</a></p>
-
-<p>A slightly easier to install earlier version (used by the
-author) is <a
-href="ftp://sunsite.org.uk:21/Mirrors/sourceware.cygnus.com/pub/cygwin/old/cygwin-b20/full.exe">ftp://sunsite.org.uk:21/Mirrors/sourceware.cygnus.com/pub/cygwin/old/cygwin-b20/full.exe</a></p>
-
-<p>Use a mirror site listed at <a
-href="http://sources.redhat.com/cygwin/mirrors.html">http://sources.redhat.com/cygwin/mirrors.html</a>.</p>
-
-<p>The older cygwin is a simple standard NT installation - just
-run full.exe (with administrator rights) and accept the default
-installation paths (gnu tools build them in). The newer cygwin is
-much smarter, doing automatic selective downloads - which the
-author's firewall messes up.</p>
-
-<h3>b) Path configuration</h3>
-
-<p>You may want to make cygwin tools accessible from command
-prompts so</p>
-
-<pre>Start->Settings->ControlPanel
- System|Environment
- Add Variable PATH
- Value C:\cygwin\cygwin-b20\H-i586-cygwin32\BIN</pre>
-
-<h3>c) DevStudio configuration</h3>
-
-<p>You need to configure DevStudio to use cygwin.</p>
-
-<p>In DevStudio:</p>
-
-<pre>Tools->Options->Directories
- Show Directories For Executable files
- Add C:\cygwin\bin</pre>
-
-<h3>d) Unpacking</h3>
-
-<p>Then use winzip or gunzip to extract all of <a
-href="CxxNtSrc.tgz">CxxNtSrc.tgz</a>:</p>
-
-<pre>double click in Explorer on <a href="CxxNtSrc.tgz">CxxNtSrc.tgz</a>
- Yes to decompress archive to temporary file
- Wait a few moments
- Actions...->Extract
- All Files, to e.g. C:\CxxGrammar, use Folder names, Extract
- Close Winzip</pre>
-
-<h3>e) DevStudio build</h3>
-
-<pre>Double click in Explorer on <a href="grammar.dsw">grammar.dsw</a>
- If prompted to browse for a SourceSafe project Click No.
- If prompted to attempt SourceSafe connection in another session click No.
- Select your preferred configuration (Win32 Debug is default)
- Select FileView|grammar Files->Targets->executable
- <Ctrl>F7
- after a few seconds everything is built</pre>
-
-<p>DevStudio reports 0 errors and 1 warnings</p>
-
-<pre>Build : warning : failed to (or don't know how to) build 'C:\CxxGrammar\Targets\executable'</pre>
-
-<p>The warning is an artefact of fake build targets</p>
-
-<p>Everything in DevStudio is compiled using a makefile.gmake
-target which is selected for a <CTRL>F7 in the Workspace
-window. Steer clear of the standard DevStudio F7 which builds all
-targets: backup then clean then executables then realclean then
-test etc. No harm is done but it takes a long time.</p>
-
-<hr>
-
-<p><i>Last updated <!--webbot bot="Timestamp" startspan
-s-type="EDITED" s-format="%d %B, %Y" -->28 July, 2001<!--webbot
-bot="Timestamp" i-checksum="21078" endspan -->.</i> </p>
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projects / feisty_meow.git / blobdiff