From psheer@icon.co.za Fri Jun 18 16:15:38 2004
Date: Thu, 27 Jun 2002 16:16:53 Africa/Johannesburg
From: psheer@icon.co.za
To: tobin@splorg.org
Cc: psheer@icon.co.za
Subject: PrettyC

some bug fixes

%{

/* Copyright (c) 2000 by Tobin Fricke <tobin@splorg.org> */

#include "prettyc.h"
%}

%x		comment
%x		string
%x		preprocessor

delim		[ \t\n]
ws		{delim}+
symbol		[\!\^\&\*\-\+\;\,\.\~\=\?\:]
bracket		[\{\(\[\]\)\}]
letter		[A-Za-z_]
digit		[0-9]
alnum		[0-9A-Za-z_]
number		{digit}+
identifier	{letter}{alnum}*
cnumber		(0x)?{number}U?L?
charconst	\'\\?.\'
linecomment	^\/\/.*\n
keyword
auto|break|case|char|const|continue|default|do|double|else|enum|extern|float|for|goto|if|int|long|register|return|short|signed|sizeof|static|struct|switch|typedef|union|void|volatile|while

%%
{keyword}	return TOK_KEYWORD;
{linecomment}	return TOK_COMMENT;
{identifier}	return TOK_IDENTIFIER;
{cnumber}	return TOK_NUMBER;
{symbol}	return TOK_SYMBOL;
{bracket}	return TOK_BRACKET;
{ws}		return TOK_WHITESPACE;

\"                      BEGIN(string); yymore();
<string>\\.		yymore();
<string>[^\"]		yymore();
<string>\n		yymore();
<string>\"		BEGIN(INITIAL); return TOK_STRING;

^[ ]*\#			BEGIN(preprocessor); yymore();
<preprocessor>\\\n	yymore();
<preprocessor>[^\n]	yymore();
<preprocessor>\n	BEGIN(INITIAL); return TOK_PREPROCESS;

\/\*			BEGIN(comment); yymore();
<comment>[^*]*		yymore();
<comment>\*+[^*/]	yymore();
<comment>\*+\/		BEGIN(INITIAL); return TOK_COMMENT;

%%


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