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Lexers.modules.generator.htm
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<html>
<head>
<title>Création de module</title>
<link rel="stylesheet" type="text/css" href="css/styles.css">
<link rel="stylesheet" type="text/css" href="widget/ProgressBar/css/styles.css">
<script src="widget/ProgressBar/js/scripts.js"></script>
<style>
SECTION { margin: 0 0 0 1em; }
.result {
background: #FFF;
color: #111;
font-size:.8em;
}
#eProgressBar {
width: 95%;
margin: 0.5em 0;
}
#eSource {
height: 100px;
}
INPUT[type=button],
#eBtnScan {
padding: 0.25em;
width: 25%;
}
#eIFRAME,
#eExport {
height: auto;
width: 100%;
}
.annotation {
padding: 0 0 0 3em;
}
TABLE,
TEXTAREA {
width: 100%;
}
.tableTitle {
background: lightskyblue;
margin:0;
padding:0.25em;
}
.previewLink {
cursor: hand; cursor: pointer;
text-decoration: underline;
}
.previewLink:hover {
background: yellow;
}
</style>
</head>
<body>
<a href="index.htm">Index</a>
<h1>Création de module</h1>
<ul>
<li>Il faut charger les modules requis avant de charger un module dépendant
<li>Les automates calculés sont mis en cache
</ul>
</p>
<label for="eSourceFiles">Module: </label><select id="eSourceFiles"></select> <a href="#" onclick="wizSyntax()">syntaxe WIZ</a><br>
<label for="eSource">Source: </label><br>
<table>
<tr><td style="width:100%;" valign="top">
<textarea id="eSource" spellcheck="false" wrap="off"></textarea>
<br><input type="checkbox" id="eScanResult"><label for="eScanResult">Analyse syntaxique.</label>
</td><td>
<pre id="eTest"></pre>
</td></tr>
</table>
<hr style="clear:both;">
<div style="margin:0.5em 0; padding:0;">
<input type="button" value="Lancer" id="eBtnScan">
<input type="checkbox" checked id="eSteps"><label for="eSteps">Étape/Étape.</label>
<input type="button" id="eNext" value="Étape suivante" disabled>
<br>
<div id="eProgressBar"></div>
<iframe id="eIFRAME" name="_calcul" src="" style="display:none;"></iframe>
</div>
<hr>
<input type="checkbox" checked id="eDisplayOk"><label for="eDisplayOk">Expression utilisé.</label>
<input type="checkbox" id="eDisplaySource"><label for="eDisplaySource">Source.</label>
<input type="checkbox" checked id="eDisplayResult"><label for="eDisplayResult">Source évaluée.</label>
<input type="checkbox" id="eDisplayAnnotation"><label for="eDisplayAnnotation">Annotations.</label>
<input type="checkbox" id="eParentTokens"><label for="eParentTokens">AFD agrégats.</label>
<input type="checkbox" id="eTokens"><label for="eTokens">AFD.</label>
<input type="checkbox" id="eMacros"><label for="eMacros">Macros.</label>
<pre id="eResult"></pre>
<hr>
<label for="eExport">Résultat: </label>
<textarea id="eExport" spellcheck="false" wrap="off"></textarea>
<div><label>Nombre de caractères : </label><b id="eExportSize"></b></div>
<h2>Les étapes</h2><section>
<h3>La 1<sup>ère</sup> étape : Module pour les lexers à ER</h3><section>
<p>Les expressions régulières obtenues ne sont pas parfaites :</p>
<ul>
<li>Il faut parfois ajouter le caractère spécial "\b"
(limite d'un mot = position entre un mot et un espace)
à la fin de l'expression régulière.<br>
Vrai pour les mots clés et tous les mots composés des caractères [a-zA-Z_] en général.
</li>
<li>Les délimiteurs "(" et ")" sont à remplacer par "(?:" et ")",
ou voir même être effacé.
</li>
</ul>
<p>...se sont des choses à résoudre à l'analyse réalisé par la <a href="src/wiz/syntax.htm">syntaxe WIZ</a>.</p>
</section>
<h3>La dernière étape : Module pour le lexers à automate</h3><section></section>
</section>
<script src="js/shared.js"></script>
<script src="js/framework.js"></script>
<script><!-- Lexeme -->
var Lexeme =(function(){
var setValue =function( sValue ){
this.oValue.value = sValue
if( sValue ) this.innerHTML = sValue.str_replace( ['&','<','>'], ['&','<','>'])
this.title = this.oValue.token
return sValue
}
return function( o ){
var e = document.createElement( o.token )
e.oValue = o
if( o.css && o.css.trim()) e.className = o.css
e.setValue = setValue
e.setValue( o.token=='S_WIZ_VALUE'?'':o.value )
return e
}
})()
</script>
<script src="js/lexer.class.js"></script>
<script src="js/lexer.automaton.js"></script>
<script src="js/lexer.automaton.modules.js"></script>
<script src="js/parserLR.js"></script>
<link rel="stylesheet" type="text/css" href="src/wiz/styles.css">
<script src="src/wiz/lexer.js"></script>
<script src="src/wiz/parser.js"></script>
<script><!-- Calcul -->
var oDefinition ={}
var aAutomates =[]
var oAutomates ={}
var oItems = {}
var oOK={}
var oKO={}
var oWindowIFRAME, oWindow
throwError =function( s ){
alert( s )
throw new Error ( s )
}
setExport =function( sResult ){
eExport.value = sResult
eExport.rows = sResult.countLines()
eExportSize.innerHTML = sResult.length
}
Calcul =(function(){
var aUrl =[
'AFD.generator.htm',
'AFD.aggregator.htm'
]
var waitFor =function( sWinFunction, oOwner, sFunctionName ){
if( oWindowIFRAME && ! oWindowIFRAME[sWinFunction] ){
clearTimeout( nTimeout )
nTimeout = setTimeout( CallBack( oOwner, sFunctionName ), 200 )
return true
}
return false
}
var iframe = document.getElementById( "eIFRAME" )
oWindowIFRAME = iframe.contentWindow
var nToken
var nTokenChild
var oDef
var nTimeout
return {
bByStep : false,
fNext :null,
next :function(){
var f = this.fNext
this.fNext = null
if( f ) f()
},
addNextCalcul :function( f ){
this.fNext = f
if( ! this.bByStep ) setTimeout( f, 100 )
},
initialize :function( oDefinition ){
oDef = oDefinition
nToken = 0
iframe.src = aUrl[0] +'?calcul=true'
this.nextToken()
eNext.disabled = ! ( Calcul.bByStep = eSteps.checked )
},
nextToken :function(){
if( waitFor( 'calcul', this, 'nextToken' )) return ;
var item = oDef.DFA[ nToken ]
nToken++
if( item ){
try{
this.addNextCalcul(function(){
iframe.style.display = eSteps.checked ? '' : 'none'
oWindowIFRAME.calcul( item )
})
}catch(e){ alert( 'Token = '+ item[0] +'\n'+ e.message )}
}
else{ // Conserve l'affichage du dernier Token (cas Step/Step)
this.addNextCalcul( CallBack( this, function(){
iframe.style.display = 'none'
iframe.src = aUrl[1]+'?calcul=true'
oWindowIFRAME = iframe.contentWindow
nToken = 0
this.nextParentToken()
}))
}
},
nextParentToken :function(){
if( waitFor( 'calculAggregation', this, 'nextParentToken' )) return ;
var item = oDef.aggregatesDFA[ nToken ]
if( item ){
try{
nTokenChild = 0
oWindowIFRAME.init()
this.nextAggregation()
}catch(e){ alert( 'ParentToken = '+ item[0] +'\n'+ e.message )}
}
else{
this.exportAutomates()
}
},
nextAggregation :function(){
var item = oDef.aggregatesDFA[ nToken ]
, sChildToken = item[1][nTokenChild]
nTokenChild++
if( sChildToken ){
var oAutomata = oAutomates[ sChildToken ]
if( ! oAutomata ) throwError( sChildToken +" n'est pas défini, il faut créer son module d'abord !" )
try{
var f=function(){
iframe.style.display = eSteps.checked ? '' : 'none'
oWindowIFRAME.calculAggregation( item, oAutomata )
}
if( nTokenChild==1 ) f()
else this.addNextCalcul( f )
}catch(e){ alert( 'Token = '+ item[0] +'\n'+ e.message )}
}
else{
this.addNextCalcul( CallBack( this, function(){
nToken++
this.nextParentToken()
}))
}
},
add :function( item, oDFA, sResult, sFunctionName ){
aAutomates.push( item[0])
oAutomates[item[0]] ={
type: 'DFA',
token: item[0],
re: item[1],
oFA: oDFA,
automate: sResult
}
this.onadd()
this[ sFunctionName ]()
},
onadd :function(){
oProgressBar.add(1)
},
exportAutomates :function(){
aAutomates = Array.unique( aAutomates )
var aResult = []
var exportAutomaton =function( sGroupName ){
var a = oDefinition[ sGroupName ]
if( a.length )
for(var i=0, ni=a.length; i<ni; i++ )
if( a[i].bExport ){
var sToken = a[i][0]
aResult.push( "["+ JSON.stringify( sToken ) +","+ oAutomates[ sToken ].automate +"]" )
}
}
exportAutomaton( 'DFA' )
exportAutomaton( 'aggregatesDFA' )
for(var i=0, aPrevious; aPrevious=oDefinition.previousTokensOf[i]; i++ ){
oDefinition.previousTokensOf[i] = "o.setPreviousTokenOf("+ JSON.stringify( aPrevious[0]) +","+ JSON.stringify( aPrevious[1]) +")"
}
setExport( "AutomatonLexer.insert(function(o,f,g,h){"
+( aResult.length ? "\no.addTokens([\n"+ aResult.join(',\n') +"\n])" : '' )
+( oDefinition.rules.length ? "\no.addRules("+ JSON.stringify( oDefinition.rules ) +")" : '' )
+( oDefinition.css.length ? "\no.addCSSClass("+ JSON.stringify( oDefinition.css ) +")" : '' )
+( oDefinition.previousTokensOf.length ? "\n"+ oDefinition.previousTokensOf.join('\n') : '' )
+( oDefinition.translations.length ? "\no.setTokensTranslation('"+ oDefinition.translations.join('&') +"')" : '' )
+"\n});"
)
iframe.style.display = 'none'
oProgressBar.add(1)
eNext.disabled = true
eBtnScan.disabled = false
}
}
})()
function previewDFA ( evt ){
var e = Events.element( evt )
if( e.nodeName=='A' && e.className=='previewLink' ){
var m = oAutomates[ e.innerHTML ]
if( m ) previewFA( m )
}
}
function scan (){
eIFRAME.style.display = 'none'
var eRoot
eTest.innerHTML = ''
oProgressBar.nTotal = 0
oDefinition ={
css:[],
previousTokensOf:[],
translations:[],
rules:[],
aggregatesDFA:[],
DFA:[],
macros:[]
}
var sSource = document.getElementById( 'eSource' ).value
if( sSource ){
//try{
eRoot = AutomatonLexer( sSource, 'WIZ' )
// eTest.appendChild( eRoot )
eTest.appendChild( ParserLR.parse( eRoot, WizParserEngine.ITEMS ))
// }catch( e ){ alert( e.message )}
var aItems = eTest.getElementsByTagName('ITEM')
var aCSS_Classes = []
var oCSS_Classes = {}
for(var i=0, ni=aItems.length; i<ni; i++ ){
var eItem = aItems[i]
// var eID = eItem.getElementsByTagName( ID )[0]
var eID = eItem.getElementsByTagName('IDENTIFIER')[0]
var sID = eID.oValue.value
// var eValue = eItem.getElementsByTagName( VALUE )[0]
var eValue = eItem.getElementsByTagName('RULE')[0]
if( ! eValue ) continue;
var sValue = eValue.oValue.value
var ePreviousTokens = eItem.getElementsByTagName('PREVIOUSTOKENS')[0]
if( ePreviousTokens )
oDefinition.previousTokensOf.push([ sID, ePreviousTokens.oValue.value ])
var eTokenTranslation = eItem.getElementsByTagName('TRANSLATION')[0]
if( eTokenTranslation )
oDefinition.translations.push( sID +'='+ eTokenTranslation.oValue.value )
// var aCSS = eItem.getElementsByTagName( CLASSNAME )
var eCSS = eItem.getElementsByTagName('CSS')[0]
if( eCSS ){
var aCSS = eCSS.oValue.value.split('|')
if( aCSS.length ){
for(var j=0, sCSS; sCSS=aCSS[j]; j++ ){
if( oCSS_Classes[ sCSS ]) oCSS_Classes[ sCSS ].push( sID )
else{
aCSS_Classes.push( sCSS )
oCSS_Classes[ sCSS ] = [ sID ]
}
}
}
}
var eComp = eItem.getElementsByTagName('COMPIL')[0]
var sComp = eComp ? eComp.oValue.value : ''
var aTarget = null
var bAggregation = sComp.indexOf('@')>-1
var bRule = sComp.indexOf('#')>-1
var bExport = sComp.indexOf('!')>-1
if( bAggregation ) aTarget = oDefinition.aggregatesDFA
if( ! bRule && ! bAggregation ){
var sC = sID.charAt(0)
if( sC==sC.toLowerCase()) aTarget = oDefinition.macros
if( sC==sC.toUpperCase()) aTarget = oDefinition.DFA
}
var aAdded = [ sID, sValue ]
if( bRule ){
if( bAggregation ); // oDefinition.rules.push([ sID, sID ])
else if( sID != sValue ) oDefinition.rules.push([ sID, sValue ])
}
aAdded.bExport = bExport
if( aTarget ) aTarget.push( aAdded )
}
for(var i=0, sClassName; sClassName=aCSS_Classes[i]; i++){
aCSS_Classes[i] = sClassName +'='+ Array.unique( oCSS_Classes[ sClassName ]).join('|')
}
oDefinition.css = aCSS_Classes.join('&')
oItems = {}
// oDefinition.aggregatesDFA.sort()
// oDefinition.DFA.sort().reverse()
// oDefinition.macros.sort()
for(var i=0, item; item=oDefinition.macros[i]; i++ ) oItems[item[0]]=item[1]
for(var i=0, item; item=oDefinition.DFA[i]; i++ ) oItems[item[0]]=item[1]
for(var i=0, item; item=oDefinition.aggregatesDFA[i]; i++ ) oItems[item[0]]=item[1]
compileMacros()
compileAgregation()
oProgressBar.setTotal( 1 + oProgressBar.nTotal + oDefinition.DFA.length + 1 )
exportRegExp()
oProgressBar.add(1)
Calcul.initialize( oDefinition )
}
}
function compileMacros (){
var fFunction =function( a, bParenthesis ){
var re = /\{[^\d,\{\}]+\}/
var bChange = true
while( bChange ){
bChange = false
for(var i=0, ni=a.length; i < ni ; i++ ){
var item=a[i]
while( re.test( item[1]) ){
var sMatch
item[1] = item[1].replace( re, function( sMatched, nIndex ){
sMatch = sMatched.slice(1,-1)
oOK[sMatch] = oOK[sMatch] || []
oOK[sMatch].push( item[0])
return bParenthesis ? '('+oItems[sMatch]+')' : oItems[sMatch]
})
bChange = true
}
}
}
}
fFunction( oDefinition.macros, 1 )
fFunction( oDefinition.DFA, 1 )
fFunction( oDefinition.aggregatesDFA )
fFunction( oDefinition.previousTokensOf )
}
function compileAgregation (){
var nLength = 0
for(var i=0, item; item=oDefinition.aggregatesDFA[i]; i++ ){
var a = item[1].split('|')
for(var j=0, token; token=a[j]; j++ ){
oOK[token] = oOK[token] || []
oOK[token].push( item[0])
}
item[1] = a
nLength += a.length
}
oProgressBar.setTotal( oProgressBar.nTotal + nLength )
}
function display (){
var displayRegExp =function( sText ){
return JSON.stringify( sText ).slice(1,-1).replace( /\\\\/g, '\\' )
.replace( /</g, '<' )
.replace( />/g, '>' )
.replace( /\\\"/g, '"' )
}
var bDisplayOk = eDisplayOk.checked
var bDisplaySource = eDisplaySource.checked
var bDisplayResult = eDisplayResult.checked
var bDisplayAnnotation = eDisplayAnnotation.checked
var fFunction =function( e, a, sTitle ){
if( e.checked && a.length ){
aResult.push( '<tr><th colspan="2" class="tableTitle">'+ sTitle +'</th></tr>' )
for(var i=0, ni=a.length; i<ni; i++ ){
var s = a[i][0]
var aOk = oOK[s]||[]
var sKo = oKO[s]||''
if( ! aOk.length || bDisplayOk || sKo ){
aResult.push( '<tr><td style="background-color:'+ (sKo?'orange':(aOk.length?'lime':'')) +';"><b>'+ (sTitle!='Macros'?'<a class="previewLink">'+s+'</a>':s) +'</b></td>' )
aResult.push( '<td>' )
if( bDisplayResult ) aResult.push( '<b class="result">\t\t'+ displayRegExp( a[i][1]) +'</b><br>' )
if( bDisplaySource ) aResult.push( '<i>'+ displayRegExp( oItems[ s ]) +'</i>' )
aResult.push( '</td></tr>' )
if( bDisplayAnnotation && sKo ) aResult.push( '<tr><td colspan="2" class="annotation"><cite>' + sKo +'</cite></td></tr>' )
if( bDisplayAnnotation && aOk.length ) aResult.push( '<tr><td colspan="2" class="annotation"><cite>' + Array.unique( aOk ).join(' ') +'</cite></td></tr>' )
}
}
}
}
var aResult = ['<table cellspacing="0" cellpadding="0" border="1">']
fFunction( eParentTokens, oDefinition.aggregatesDFA, 'AFD agrégats' )
fFunction( eTokens, oDefinition.DFA, 'AFD' )
fFunction( eMacros, oDefinition.macros, 'Macros' )
aResult.push( '</table>' )
eResult.innerHTML = aResult.join('')
}
function exportRegExp (){
display()
var aTokens = []
for(var i=0, aToken; aToken = oDefinition.DFA[i]; i++ )
aTokens.push( "['"+ aToken[0] +"',/"+ aToken[1] +"/]" )
var aRules = []
for(var i=0, aRule; aRule = oDefinition.aggregatesDFA[i]; i++ )
aRules.push( "['"+ aRule[0] +"','"+ aRule[1].join('|') +"']" )
for(var i=0, aRule; aRule = oDefinition.rules[i]; i++ )
aRules.push( "['"+ aRule[0] +"','"+ aRule[1] +"']" )
setExport( '// var o = MultiRegExpLexer.Rules'
+'\no.addTokens([\n\t'+ aTokens.join( ',\n\t' ) +'\n\t])'
+( aRules.length ? '\no.addRules([\n\t'+ aRules.join( ',\n\t' ) +'\n\t])' : '' )
+( oDefinition.css.length ? "\no.addCSSClass("+ JSON.stringify( oDefinition.css ) +")" : '' )
+( oDefinition.previousTokensOf.length ? "\n"+ oDefinition.previousTokensOf.join('\n') : '' )
+( oDefinition.translations.length ? "\no.setTokensTranslation('"+ oDefinition.translations.join('&') +"')" : '' )
)
}
</script>
<script><!-- DHTML -->
_( 'eIFRAME,eResult,eExport' )
_( 'eDisplayOk,eDisplaySource,eDisplayResult,eDisplayAnnotation' )
_( 'eParentTokens,eTokens,eMacros' )
_( 'eBtnScan,eProgressBar,eSteps,eNext' )
_( 'eScanResult,eTest,eExportSize' )
var oProgressBar = new ProgressBar ( eProgressBar )
oProgressBar.bColor = 1
oProgressBar.bPercentage = 1
oProgressBar.reset()
oProgressBar.hide()
eExport.value = ''
eResult.onclick = previewDFA
eDisplayOk.onclick =
eDisplaySource.onclick =
eDisplayResult.onclick =
eDisplayAnnotation.onclick =
eParentTokens.onclick =
eTokens.onclick =
eMacros.onclick = display
eBtnScan.onclick = scan
eNext.onclick = CallBack( Calcul, 'next' )
eSteps.onclick = function(){
var bByStep = eSteps.checked
if( ! ( Calcul.bByStep = bByStep )) Calcul.next()
eNext.disabled = ! bByStep
eIFRAME.style.display = bByStep ? '' : 'none'
}
eScanResult.onclick = function(){
eTest.style.display = eScanResult.checked ? '' : 'none'
}
eScanResult.onclick()
//eSteps.onclick()
</script>
<script><!-- Chargement de fichier -->
_('eSourceFiles')
Tag.addChildNodes( eSourceFiles, 'OPTION', [
'',
'module.whitespaces',
'module.number',
'module.superscript',
'module.strings&comments',
'module.css',
'module.html',
'module.ini',
'module.javascript',
'module.php',
'module.regexp',
'module.wiz',
'module.zenLike',
'module.grammar',
'token.REGULAR_EXPRESSION'
])
eSourceFiles.onchange =function(){
LoadFile( 'modules/lexer/'+ eSourceFiles.value +".html", function( s ){
eSource.value = s
scan()
})
}
</script>
</body>
</html>