├── README
├── samples
    ├── Beautifier.html
    ├── Compressor.html
    ├── Highlighter.html
    ├── Variable.html
    └── Visualizer.html
├── source
    ├── LexicalParser.js
    ├── Parser.js
    └── SyntacticalParser.js
├── test
    ├── cases.js
    ├── ext-all-debug.js
    ├── ext-all.js
    ├── jquery-1.8.2.js
    ├── jquery-1.8.2.min.js
    └── test.html
└── tool
    └── unicode.html


/README:
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1 | Necromancy's value
2 | 
3 | Keep it simple.
4 | Write less, do more, and no framework. 
5 | Human understandable naming.


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/samples/Beautifier.html:
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  1 | <script src="../source/LexicalParser.js"></script>
  2 | <script src="../source/SyntacticalParser.js"></script>
  3 | <script src="../source/Parser.js"></script>
  4 | <style>
  5 | .Keyword, .NullLiteral, .BooleanLiteral {
  6 |     color:blue;
  7 | }
  8 | .StringLiteral {
  9 |     color:red;
 10 | }
 11 | .RegularExpressionLiteral {
 12 |     color:red;
 13 | }
 14 | .NumericLiteral {
 15 |     color:purple;
 16 | }
 17 |  {
 18 |     color:purple;
 19 | }
 20 | </style>
 21 | 
 22 | <pre id="output"></pre>
 23 | <textarea id="code" style="width:100%;height:500px;">var bubbleSort = function (array) {
 24 |     for (var x = 0; x < array.length; x++) {
 25 |         for (var y = 0; y < array.length - x; y++) {
 26 |             if (array[y] > array[y + 1]) {
 27 |                 swap(array, y, y + 1);
 28 |             }
 29 |         }
 30 |     }
 31 | }</textarea>
 32 | <button >parse</button>
 33 | <script>
 34 | var configs = {
 35 |     indentStyle:"Microsoft"
 36 | };
 37 | 
 38 | function getClassName(token) {
 39 |     var classNames = ["InputElement","Comments","SingleLineComments","MultiLineComments","WhiteSpace","Token","IdentifierName","Identifier","Keyword","NullLiteral","BooleanLiteral","Punctuator","NumericLiteral","StringLiteral","RegularExpressionLiteral","LineTerminator"];
 40 |     return classNames.filter(function(e){ return token.hasOwnProperty(e); }).join(" ");
 41 | }
 42 | 
 43 | document.querySelector("button").onclick = function(){
 44 |     var parser = new Parser();
 45 |     var tree = parser.parse(document.querySelector("#code").value);
 46 | 
 47 |     var str = "";
 48 |     var output = document.querySelector("#output");
 49 |     output.innerHTML = "";
 50 |     var indent = 0;
 51 |     var last = null;
 52 |     var table = {"|=":true,"^=":true,"&=":true,">>>=":true,">>=":true,"<<=":true,"-=":true,"+=":true,"%=":true,"/=":true,"*=":true,"=":true,"?":true,"||":true,"&&":true,"|":true,"^":true,"&":true,"!==":true,"===":true,"!=":true,"==":true,">=":true,"<=":true,">":true,"<":true,">>>":true,">>":true,"<<":true,"-":true,"+":true,"%":true,"*":true,"/":true}
 53 | 
 54 |     function visitObj(obj) {
 55 |         visit(obj.childNodes[obj.childNodes.length-1]);
 56 |         if(obj.childNodes.length>=3)
 57 |         {
 58 |             var list = obj.childNodes[obj.childNodes.length-2];
 59 |             while(list.name == "PropertyNameAndValueList" && list.childNodes.length>2) {
 60 |                 output.appendChild(document.createElement("br"));
 61 |                 var indentSpan = document.createElement("span");
 62 |                 indentSpan.innerHTML = Array(indent+1).join(" ");
 63 |                 output.appendChild(indentSpan);
 64 |                 visit(list.childNodes[0]);
 65 |                 visit(list.childNodes[1]);
 66 |                 list = list.childNodes[list.childNodes.length-1];
 67 |             }
 68 |             visit(list);
 69 |         }
 70 |         output.appendChild(document.createElement("br"));
 71 |         var indentSpan = document.createElement("span");
 72 |         indentSpan.innerHTML = Array(indent+1).join(" ");
 73 |         output.appendChild(indentSpan);
 74 |         visit(obj.childNodes[0]);
 75 |     }
 76 | 
 77 | 
 78 |     function visit(tree) {
 79 |         var haveIndent;
 80 | 
 81 |         if(tree.name=="ObjectLiteral") {
 82 |             return visitObj(tree);
 83 |         }
 84 | 
 85 |         if( last!="return" && (tree.name == "Statement" ||tree.name == "FunctionDeclaration"  ||tree.name == "FunctionExpression")  && tree.childNodes[0].name!="Block") {
 86 |             output.appendChild(document.createElement("br"));
 87 |             var indentSpan = document.createElement("span");
 88 |             indentSpan.innerHTML = Array(indent+1).join(" ");
 89 |             output.appendChild(indentSpan);
 90 |             indent+=4;
 91 |             last = null;
 92 |             haveIndent = true;
 93 |         }
 94 | 
 95 |         if(tree.token) {
 96 |             if( last ){
 97 |                 if((tree.token.Identifier || tree.token.Keyword|| tree.token.NumericLiteral|| tree.token.StringLiteral|| tree.token.NullLiteral|| tree.token.BooleanLiteral|| tree.token.RegularExpressionLiteral) && (last.Identifier || last.Keyword|| last.NumericLiteral|| last.StringLiteral|| last.NullLiteral|| last.BooleanLiteral|| last.RegularExpressionLiteral)) output.appendChild(document.createTextNode(" "));;
 98 |                 if(tree.token.NumericLiteral && last.name == "." || last.name == "." && tree.token.NumericLiteral) output.appendChild(document.createTextNode(" "));
 99 |             }
100 |             if(tree.token == "}") {
101 |                 output.appendChild(document.createElement("br"));
102 |                 var indentSpan = document.createElement("span");
103 |                 indentSpan.innerHTML = Array(indent+1-4).join(" ");
104 |                 output.appendChild(indentSpan);
105 |             }
106 |             if(tree.token == "else") {
107 |                 output.appendChild(document.createElement("br"));
108 |                 var indentSpan = document.createElement("span");
109 |                 indentSpan.innerHTML = Array(indent+1-4).join(" ");
110 |                 output.appendChild(indentSpan);
111 |             }
112 |             if(tree.token == "{") {
113 |                 output.appendChild(document.createElement("br"));
114 |                 var indentSpan = document.createElement("span");
115 |                 indentSpan.innerHTML = Array(indent+1-4).join(" ");
116 |                 output.appendChild(indentSpan);
117 |             }
118 |  
119 |             if(table[tree.token]) output.appendChild(document.createTextNode(" "));
120 |             var token = document.createElement("span");
121 |             token.className = getClassName(tree.token);
122 |             token.appendChild(document.createTextNode(tree.token));
123 |             output.appendChild(token);
124 |             if(tree.token==",") output.appendChild(document.createTextNode(" "));
125 |             if(table[tree.token]) output.appendChild(document.createTextNode(" "));
126 |             last = tree.token;
127 |         }
128 |         else {
129 |             var i = tree.childNodes.length;
130 |             while(i--) {
131 |                 visit(tree.childNodes[i]);
132 |             }
133 |         }
134 |         if( haveIndent ) {
135 |             indent-=4;
136 |         }
137 |     }
138 |     visit(tree);
139 |     
140 | }
141 | 
142 | </script>


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/samples/Compressor.html:
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 1 | <script src="../source/LexicalParser.js"></script>
 2 | <script src="../source/SyntacticalParser.js"></script>
 3 | <script src="../source/Parser.js"></script>
 4 | <style>
 5 | .Keyword, .NullLiteral, .BooleanLiteral {
 6 |     color:blue;
 7 | }
 8 | .StringLiteral {
 9 |     color:red;
10 | }
11 | .RegularExpressionLiteral {
12 |     color:red;
13 | }
14 | .NumericLiteral {
15 |     color:purple;
16 | }
17 | #output {
18 |     white-space:pre-wrap;
19 | }
20 | </style>
21 | 
22 | <pre id="output"></pre>
23 | <textarea id="code" style="width:100%;height:500px;">var bubbleSort = function (array) {
24 |     for (var x = 0; x < array.length; x++) {
25 |         for (var y = 0; y < array.length - x; y++) {
26 |             if (array[y] > array[y + 1]) {
27 |                 swap(array, y, y + 1);
28 |             }
29 |         }
30 |     }
31 | }</textarea>
32 | <button >parse</button>
33 | <script>
34 | 
35 | function getClassName(token) {
36 |     var classNames = ["InputElement","Comments","SingleLineComments","MultiLineComments","WhiteSpace","Token","IdentifierName","Identifier","Keyword","NullLiteral","BooleanLiteral","Punctuator","NumericLiteral","StringLiteral","RegularExpressionLiteral","LineTerminator"];
37 |     return classNames.filter(function(e){ return token.hasOwnProperty(e); }).join(" ");
38 | }
39 | 
40 | document.querySelector("button").onclick = function(){
41 |     var parser = new Parser();
42 |     var tree = parser.parse(document.querySelector("#code").value);
43 | 
44 |     var str = "";
45 |     var output = document.querySelector("#output");
46 |     output.innerHTML = "";
47 |     var indent = 0;
48 |     var last = null;
49 | 
50 |     function visit(tree) {
51 |         var haveIndent;
52 | 
53 |         if(tree.token) {
54 |             if( last ){
55 |                 if((tree.token.Identifier || tree.token.Keyword || tree.token.NumericLiteral|| tree.token.StringLiteral|| tree.token.NullLiteral|| tree.token.BooleanLiteral|| tree.token.RegularExpressionLiteral) && (last.Identifier || last.Keyword|| last.NumericLiteral|| last.StringLiteral|| last.NullLiteral|| last.BooleanLiteral|| last.RegularExpressionLiteral || last.Keyword)) output.appendChild(document.createTextNode(" "));;
56 |                 if(tree.token.NumericLiteral && last.name == "." || last.name == "." && tree.token.NumericLiteral) output.appendChild(document.createTextNode(" "));
57 |             }
58 | 
59 |             var token = document.createElement("span");
60 |             token.className = getClassName(tree.token);
61 |             token.appendChild(document.createTextNode(tree.token));
62 |             output.appendChild(token);
63 |             last = tree.token;
64 |         }
65 |         else {
66 |             var i = tree.childNodes.length;
67 |             while(i--) {
68 |                 visit(tree.childNodes[i]);
69 |             }
70 |         }
71 |         if( haveIndent ) {
72 |             indent-=4;
73 |         }
74 |     }
75 |     visit(tree);
76 |     
77 | }
78 | 
79 | </script>


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/samples/Highlighter.html:
--------------------------------------------------------------------------------
 1 | <script src="../source/LexicalParser.js"></script>
 2 | <script src="../source/SyntacticalParser.js"></script>
 3 | <script src="../source/Parser.js"></script>
 4 | <style>
 5 | .Keyword, .NullLiteral, .BooleanLiteral {
 6 |     color:blue;
 7 | }
 8 | .StringLiteral {
 9 |     color:red;
10 | }
11 | .RegularExpressionLiteral {
12 |     color:red;
13 | }
14 | .NumericLiteral {
15 |     color:purple;
16 | }
17 | #output {
18 |     white-space:pre-wrap;
19 | }
20 | </style>
21 | 
22 | <pre id="output"></pre>
23 | <textarea id="code" style="width:100%;height:500px;">var bubbleSort = function (array) {
24 |     for (var x = 0; x < array.length; x++) {
25 |         for (var y = 0; y < array.length - x; y++) {
26 |             if (array[y] > array[y + 1]) {
27 |                 swap(array, y, y + 1);
28 |             }
29 |         }
30 |     }
31 | }</textarea>
32 | <button >parse</button>
33 | <script>
34 | 
35 | function getClassName(token) {
36 |     var classNames = ["InputElement","Comments","SingleLineComments","MultiLineComments","WhiteSpace","Token","IdentifierName","Identifier","Keyword","NullLiteral","BooleanLiteral","Punctuator","NumericLiteral","StringLiteral","RegularExpressionLiteral","LineTerminator"];
37 |     return classNames.filter(function(e){ return token.hasOwnProperty(e); }).join(" ");
38 | }
39 | 
40 | document.querySelector("button").onclick = function(){
41 |     var parser = new Parser();
42 | 
43 |     var str = "";
44 |     var output = document.querySelector("#output");
45 |     output.innerHTML = "";
46 | 
47 | 
48 |     var tree = parser.parse(document.querySelector("#code").value,function(token){
49 |             var tokenSpan = document.createElement("span");
50 |             tokenSpan.className = getClassName(token);
51 |             tokenSpan.appendChild(document.createTextNode(token));
52 |             output.appendChild(tokenSpan);
53 |     });
54 | };
55 | </script>


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/samples/Variable.html:
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  1 | <!DOCTYPE html>
  2 | <html>
  3 | <head>
  4 | <meta charset="UTF-8" />
  5 | <title>javascript grammar tree preprocessr</title>
  6 | <style>
  7 | .symbolName {
  8 |     display:block;
  9 | }
 10 | .childContainer {
 11 |     padding-left:30px;
 12 | }
 13 | </style>
 14 | <script src="../source/LexicalParser.js"></script>
 15 | <script src="../source/SyntacticalParser.js"></script>
 16 | <script src="../source/Parser.js"></script>
 17 | <script>
 18 | 
 19 | var preprocessors = {
 20 |     "VariableDeclarationNoIn":preprocessVariable,
 21 |     "VariableDeclaration":preprocessVariable,
 22 |     "FunctionDeclaration":preprocessFunctionDeclaration,
 23 |     "FunctionExpression":preprocessFunctionExpression
 24 | }
 25 | var processors = {
 26 |     "Catch":processCatch,
 27 |     "FunctionDeclaration":processFunctionDeclaration,
 28 |     "FunctionExpression":processFunctionExpression,
 29 |     "FunctionBody":processCode,
 30 |     "IdentifierName":processIdentifierName,
 31 |     "Program":processCode,
 32 |     "FormalParameterList":processParameter,
 33 |     "Identifier":processIdentifier
 34 | }
 35 | 
 36 | function preprocessVariable(scope,node) {
 37 |     var i = node.childNodes.length;
 38 |     scope.addIdentifier(node.childNodes[node.childNodes.length-1].token.toString());
 39 |     while(i--) {
 40 |         preprocess(scope,node.childNodes[i]);
 41 |     }
 42 | }
 43 | 
 44 | function preprocessFunctionDeclaration(scope,node) {    
 45 |     var i = node.childNodes.length;
 46 |     while(i--){
 47 |         if(node.childNodes[i].name == "Identifier") {
 48 |             scope.addIdentifier(node.childNodes[i].token.toString());
 49 |         }
 50 |     }
 51 | }
 52 | function preprocessFunctionExpression(scope,node) {    
 53 | 
 54 | }
 55 | function preprocessCode(scope,node) {
 56 |     var i = node.childNodes.length;
 57 |     while(i--)preprocess(scope,node.childNodes[i]);
 58 | }
 59 | 
 60 | function preprocess(scope,node) {
 61 |     if(preprocessors[node.name]) return preprocessors[node.name](scope,node);
 62 | 
 63 |     var i = node.childNodes.length;
 64 |     while(i--)preprocess(scope,node.childNodes[i]);
 65 | }
 66 | 
 67 | function processParameter(scope,node) {
 68 |     if(!node)
 69 |         debugger;
 70 |     var i = node.childNodes.length;
 71 |     while(i--) {
 72 |         if(node.childNodes[i].token)
 73 |             scope.addIdentifier(node.childNodes[i].token.toString());
 74 |         else
 75 |             processParameter(scope,node.childNodes[i]);
 76 |     }
 77 | }
 78 | function processFunctionExpression(scope,node) {
 79 |     scope = new Scope(scope);
 80 |     var i = node.childNodes.length;
 81 |     while(i--){
 82 |         if(node.childNodes[i].name == "Identifier") {
 83 |             scope.addIdentifier(node.childNodes[i].token.toString());
 84 |         }
 85 |     }
 86 |     scope = new Scope(scope);
 87 |     scope.addIdentifier("arguments");
 88 |     
 89 |     var i = node.childNodes.length;
 90 |     while(i--){
 91 |         if(node.childNodes[i].name == "FormalParameterList") {
 92 |             process(scope,node.childNodes[i]);
 93 |         }        
 94 |     }
 95 |     var i = node.childNodes.length;
 96 |     while(i--){
 97 |         if(node.childNodes[i].name == "FunctionBody") {
 98 |             process(scope,node.childNodes[i]);
 99 |         }        
100 |     }
101 | }
102 | function processFunctionDeclaration(scope,node) {
103 |     scope = new Scope(scope);
104 |     scope.addIdentifier("arguments");
105 |  
106 |     var i = node.childNodes.length;
107 |     while(i--){
108 |         if(node.childNodes[i].name == "FormalParameterList") {
109 |             process(scope,node.childNodes[i]);
110 |         }        
111 |     }
112 |     var i = node.childNodes.length;
113 |     while(i--){
114 |         if(node.childNodes[i].name == "FunctionBody") {
115 |             process(scope,node.childNodes[i]);
116 |         }
117 |     }
118 | }
119 | function processIdentifier(scope,node) {
120 |     scope.accessIdentifier(node.token.toString());
121 | }
122 | function processIdentifierName(scope,node) {
123 |     return;
124 | }
125 | function processCode(scope,node) {
126 |     preprocess(scope,node);
127 |     var i = node.childNodes.length;
128 |     while(i--)process(scope,node.childNodes[i]);
129 | }
130 | function processCatch(scope,node) {
131 |     scope = new Scope(scope);
132 |     var i = node.childNodes.length;
133 |     while(i--){
134 |         if(node.childNodes[i].name == "Identifier") {
135 |             scope.addIdentifier(node.childNodes[i].token.toString());
136 |         }
137 |     }
138 |     var i = node.childNodes.length;
139 |     while(i--){
140 |         if(node.childNodes[i].name == "FunctionBody") {
141 |             process(scope,node.childNodes[i]);
142 |         }        
143 |     }
144 |     
145 | }
146 | function process(scope,node) {
147 |     if(processors[node.name]) return processors[node.name](scope,node);
148 |     var i = node.childNodes.length;
149 |     while(i--)process(scope,node.childNodes[i]);
150 | } 
151 | 
152 | function Scope(parent){
153 | 
154 |     this.parent = parent || null;
155 | 
156 |     var table = Object.create(null);
157 |     var used = Object.create(null);
158 |     this.accessIdentifier = function(id){
159 | 
160 | 
161 |         if(!this.parent) {
162 |             if(!Object.prototype.hasOwnProperty.call(table,id))
163 |                 used[id] = undefined;
164 |         }
165 |         else if(!Object.prototype.hasOwnProperty.call(table,id)) {
166 |             this.parent.accessIdentifier(id);
167 |         }
168 |     }
169 |     this.addIdentifier = function(id){
170 |         table[id] = undefined;
171 |     }
172 | 
173 |     this.getUsed = function (){
174 |         return Object.keys(used);
175 |     }
176 |     this.getDeclared = function(){
177 |         return Object.keys(table);
178 |     }
179 | }
180 | var globalProps = ["NaN", "Infinity", "undefined", "eval", "parseInt", "parseFloat", "isNaN", "isFinite", "decodeURI", "decodeURIComponent", "encodeURI", "encodeURIComponent", "Object", "Function", "Array", "String", "Boolean", "Number", "Date", "RegExp", "Error", "EvalError", "RangeError", "ReferenceError", "SyntaxError", "TypeError", "URIError","Math"];
181 | var globalPropsIndex = function(){
182 |     var r = Object.create(null);
183 |     for(var i = 0; i<globalProps.length; i++) {
184 |         r[globalProps[i]] = null; 
185 |     }
186 |     return r;
187 | }();
188 | var windowProps = ["Range","WebKitBlobBuilder","SVGFEDisplacementMapElement","performance","SVGNumber","HTMLEmbedElement","openDatabase","SVGPathSegLinetoAbs","defaultStatus","SVGUnitTypes","WebGLRenderingContext","onstorage","WebKitIntent","NodeList","onload","HTMLAnchorElement","WebKitMutationObserver","onfocus","TypeError","SVGPathSegLinetoVerticalAbs","innerHeight","MessageChannel","self","SVGCursorElement","MouseEvent","outerHeight","webkitResolveLocalFileSystemURL","screenLeft","postMessage","onmouseover","getMatchedCSSRules","XMLHttpRequestUpload","oncanplay","CSSImportRule","webkitRequestAnimationFrame","WebGLShaderPrecisionFormat","Parser","webkitIDBDatabaseException","onseeking","stop","status","HTMLFrameElement","onvolumechange","HTMLDListElement","webkitConvertPointFromPageToNode","SVGCircleElement","toLocaleString","WebGLTexture","document","Entity","SVGTransform","MimeTypeArray","SVGAnimatedString","CSSStyleSheet","v8Locale","SyntaxError","SVGPathSegCurvetoQuadraticSmoothAbs","clearTimeout","SVGAltGlyphDefElement","EvalError","SVGFETileElement","removeEventListener","HTMLInputElement","DOMParser","SVGAngle","onhashchange","SVGMetadataElement","scrollTo","onratechange","MimeType","Storage","open","webkitAudioPannerNode","SVGFontFaceElement","processParameter","CSSFontFaceRule","SVGImageElement","outerWidth","XPathEvaluator","Worker","globalPropsIndex","HTMLBodyElement","Uint16Array","screen","WebGLShader","DocumentFragment","HTMLTableRowElement","HTMLParamElement","event","HTMLSelectElement","AudioProcessingEvent","OverflowEvent","SVGFEComponentTransferElement","SVGViewElement","HTMLTableCaptionElement","SVGViewSpec","Int32Array","ondragend","clientInformation","HTMLIFrameElement","resizeTo","SVGScriptElement","webkitPostMessage","onwebkittransitionend","__lookupSetter__","WebGLUniformLocation","onselect","SVGGradientElement","blur","TextEvent","SVGGlyphElement","HTMLTableSectionElement","eval","onmouseup","onloadstart","MediaList","SVGFEFloodElement","webkitIDBRequest","processCode","HTMLDocument","HashChangeEvent","CSSValue","external","table","webkitCancelRequestAnimationFrame","HTMLMetaElement","SVGPathSegCurvetoCubicAbs","SVGFEDistantLightElement","toolbar","HTMLAppletElement","WebGLBuffer","SVGLengthList","preprocessors","FormData","SVGMaskElement","webkitIDBTransaction","toString","onchange","Window","RangeException","onwebkitanimationstart","decodeURIComponent","onerror","onkeyup","HTMLLIElement","HTMLFieldSetElement","ondragleave","SVGPathSegLinetoHorizontalAbs","CSSStyleDeclaration","ImageData","UIEvent","Object","name","WebGLFramebuffer","Function","PageTransitionEvent","SVGAnimatedTransformList","SVGTextPositioningElement","CharacterData","frames","CSSMediaRule","Uint8Array","CanvasGradient","webkitIDBCursor","PluginArray","SVGMarkerElement","SVGFontFaceNameElement","XMLHttpRequest","print","crypto","localStorage","locationbar","processFunctionDeclaration","ondrop","PopStateEvent","Uint8ClampedArray","onabort","SVGStopElement","HTMLDivElement","SVGFECompositeElement","HTMLFontElement","webkitMediaStream","ProgressEvent","HTMLLegendElement","SVGPathSegCurvetoCubicSmoothAbs","TouchEvent","ondblclick","PERSISTENT","MutationEvent","processIdentifierName","SVGPathSegArcAbs","menubar","releaseEvents","hasOwnProperty","scrollY","preprocess","SVGFEBlendElement","ArrayBuffer","SVGAnimateColorElement","onemptied","ondragstart","XRegExp","SVGPointList","onpause","MediaStreamEvent","setInterval","KeyboardEvent","CSSPrimitiveValue","SVGPathElement","Text","__lookupGetter__","SVGFEFuncBElement","JSON","SVGMPathElement","SVGUseElement","HTMLMeterElement","SVGFontFaceFormatElement","HTMLParagraphElement","WebGLContextEvent","BeforeLoadEvent","scroll","WebKitCSSKeyframesRule","HTMLKeygenElement","Document","HTMLOptionElement","SVGPathSegClosePath","SVGAnimateElement","ondurationchange","encodeURIComponent","HTMLHRElement","TimeRanges","WebKitPoint","SVGAElement","SVGComponentTransferFunctionElement","Int16Array","SQLException","onmouseout","escape","closed","ondragenter","SVGSymbolElement","SVGDescElement","onsubmit","CloseEvent","webkitRequestFileSystem","HTMLCollection","SharedWorker","rules","scrollbars","Blob","WebKitCSSMatrix","SVGPolylineElement","webkitAudioContext","pageYOffset","SVGPatternElement","parseInt","SVGRectElement","XSLTProcessor","ProcessingInstruction","SVGColor","SVGElementInstanceList","ononline","File","DOMException","HTMLAudioElement","HTMLMarqueeElement","SVGPathSegMovetoAbs","Option","atob","find","SVGPathSegCurvetoCubicRel","SVGTextPathElement","SVGAnimatedRect","SVGPoint","focus","HTMLOptGroupElement","Audio","onsearch","windowPropsIndex","MessagePort","ClientRect","onmousedown","SVGAnimatedNumberList","Node","SVGAnimatedEnumeration","HTMLLinkElement","SVGFontFaceSrcElement","SVGZoomEvent","SVGStringList","SVGGlyphRefElement","WheelEvent","screenY","MediaError","SVGPathSegCurvetoCubicSmoothRel","SVGZoomAndPan","onsuspend","HTMLSpanElement","SVGPathSegLinetoVerticalRel","Comment","prompt","console","HTMLQuoteElement","onloadedmetadata","onwebkitanimationiteration","TEMPORARY","HTMLFormElement","SVGMatrix","DOMStringList","screenTop","HTMLTitleElement","onkeydown","String","onbeforeunload","HTMLUnknownElement","SVGFEFuncAElement","WebGLActiveInfo","HTMLImageElement","NodeFilter","SVGPathSeg","CustomEvent","addEventListener","Number","SVGTitleElement","processCatch","SVGFEConvolveMatrixElement","CSSRule","SVGAltGlyphElement","onpageshow","Float32Array","onoffline","top","SVGAnimateMotionElement","HTMLTableCellElement","SVGAnimatedLengthList","DOMImplementation","CDATASection","MessageEvent","Infinity","propertyIsEnumerable","SVGPreserveAspectRatio","SVGPathSegCurvetoQuadraticSmoothRel","Element","isNaN","XMLSerializer","HTMLHeadingElement","HTMLButtonElement","CanvasRenderingContext2D","SyntacticalParser","StorageEvent","onclick","HTMLTableColElement","webkitIDBFactory","processors","globalProps","SVGFEOffsetElement","SVGSwitchElement","webkitCancelAnimationFrame","SVGElementInstance","onended","Uint32Array","onresize","CSSCharsetRule","SVGRenderingIntent","HTMLStyleElement","SVGLength","EventException","SVGTSpanElement","processIdentifier","webkitConvertPointFromNodeToPage","SVGDocument","Int8Array","HTMLDataListElement","Rect","SVGPaint","SVGAltGlyphItemElement","onplay","SVGFESpecularLightingElement","HTMLBRElement","webkitIntent","webkitIDBKeyRange","SVGAnimatedLength","CompositionEvent","WebGLProgram","preprocessFunctionDeclaration","SVGPathSegCurvetoQuadraticRel","dispatchEvent","personalbar","CSSStyleRule","preprocessVariable","preprocessCode","WebKitCSSTransformValue","WebSocket","Clipboard","XMLDocument","WebKitTransitionEvent","unescape","StyleSheet","SessionDescription","Date","undefined","frameElement","applicationCache","onkeypress","webkitIDBObjectStore","FileList","onmousemove","SVGAnimatedBoolean","getSelection","onloadeddata","SVGAnimatedInteger","webkitIDBDatabase","devicePixelRatio","onstalled","SVGRect","SVGVKernElement","ondeviceorientation","__defineGetter__","setTimeout","Attr","webkitStorageInfo","SVGStyleElement","oninvalid","SVGPolygonElement","ClientRectList","SVGMissingGlyphElement","HTMLHeadElement","getComputedStyle","isFinite","CanvasPattern","processFunctionExpression","Event","btoa","SVGTextElement","ReferenceError","WebKitCSSFilterValue","SVGAnimatedNumber","HTMLMapElement","length","history","preprocessFunctionExpression","SVGFEDiffuseLightingElement","innerWidth","Float64Array","parseFloat","matchMedia","DeviceOrientationEvent","styleMedia","XPathResult","WebKitAnimationEvent","onscroll","OfflineAudioCompletionEvent","HTMLBaseElement","captureEvents","SVGFEGaussianBlurElement","navigator","moveTo","pageXOffset","SVGEllipseElement","resizeBy","SVGSVGElement","scrollX","onmousewheel","SVGSetElement","Selection","webkitIndexedDB","oncanplaythrough","Notation","SVGElement","ErrorEvent","clearInterval","offscreenBuffering","Scope","SVGFEDropShadowElement","SVGFEFuncGElement","scrollBy","RGBColor","HTMLTableElement","location","DOMTokenList","SVGTransformList","onunload","constructor","oninput","Counter","ondragover","showModalDialog","oncontextmenu","SVGHKernElement","FileReader","HTMLCanvasElement","SVGFETurbulenceElement","HTMLFrameSetElement","SVGFEMorphologyElement","HTMLOListElement","webkitIDBIndex","onblur","SVGFEFuncRElement","IceCandidate","XMLHttpRequestException","Notification","DocumentType","SVGFontFaceUriElement","SVGPathSegList","SVGTextContentElement","HTMLProgressElement","webkitURL","WebKitCSSKeyframeRule","screenX","SVGException","SVGFEMergeElement","Boolean","SVGNumberList","HTMLVideoElement","onprogress","HTMLObjectElement","HTMLTextAreaElement","SVGPathSegLinetoRel","confirm","XPathException","CSSPageRule","HTMLModElement","onplaying","Array","alert","HTMLPreElement","SVGGElement","onseeked","TextMetrics","HTMLAllCollection","HTMLUListElement","URIError","SVGFEMergeNodeElement","HTMLHtmlElement","close","DOMSettableTokenList","HTMLScriptElement","SVGFontElement","DOMStringMap","moveBy","Error","SVGRadialGradientElement","SVGClipPathElement","NamedNodeMap","ondrag","NaN","valueOf","ontimeupdate","window","webkitNotifications","FileError","isPrototypeOf","SVGFEColorMatrixElement","SVGAnimateTransformElement","Plugin","SVGPathSegMovetoRel","HTMLLabelElement","onmessage","HTMLElement","onwaiting","HTMLAreaElement","StyleSheetList","defaultstatus","CSSRuleList","onpopstate","SVGDefsElement","SVGFilterElement","windowProps","decodeURI","XMLHttpRequestProgressEvent","WebGLRenderbuffer","SVGAnimatedPreserveAspectRatio","onpagehide","Image","RangeError","parent","SVGFEPointLightElement","chrome","DataView","onreset","EventSource","SVGLinearGradientElement","SVGPathSegArcRel","HTMLMenuElement","SVGTRefElement","SVGPathSegCurvetoQuadraticAbs","RegExp","encodeURI","lex","WebKitCSSRegionRule","HTMLSourceElement","SVGFESpotLightElement","statusbar","onwebkitanimationend","SVGForeignObjectElement","HTMLDirectoryElement","Symbol","v8Intl","MediaController","sessionStorage","CSSValueList","SVGPathSegLinetoHorizontalRel","SpeechInputEvent","HTMLOutputElement","opener","HTMLBaseFontElement","EntityReference","Math","SVGFEImageElement","HTMLMediaElement","LexicalParser","SVGLineElement","SVGAnimatedAngle","process","__defineSetter__","Intl","props","index","webkitRTCPeerConnection","WebKitSourceBufferList","WebKitSourceBuffer","WebKitMediaSource","TrackEvent","TextTrackList","TextTrackCueList","TextTrackCue","TextTrack","HTMLTrackElement","HTMLShadowElement","HTMLContentElement","WebKitShadowRoot","RTCIceCandidate","RTCSessionDescription","IDBVersionChangeEvent","IDBTransaction","IDBRequest","IDBOpenDBRequest","IDBObjectStore","IDBKeyRange","IDBIndex","IDBFactory","IDBDatabaseException","IDBDatabase","IDBCursorWithValue","IDBCursor","indexedDB","URL","Components","XPCNativeWrapper","netscape","InstallTrigger","Location","uneval","InternalError","XMLList","XML","isXMLName","Namespace","QName","Iterator","StopIteration","WeakMap","Map","Set","ScriptEngine","ScriptEngineMajorVersion","ScriptEngineMinorVersion","ScriptEngineBuildVersion","CollectGarbage","Debug","CanvasPixelArray","ActiveXObject","Enumerator","VBArray","BeforeUnloadEvent","BookmarkCollection","CSSNamespaceRule","ControlRangeCollection","Coordinates","DataTransfer","DragEvent","FocusEvent","Geolocation","HTMLAreasCollection","HTMLBGSoundElement","HTMLBlockElement","HTMLDDElement","HTMLDTElement","HTMLIsIndexElement","HTMLNextIdElement","HTMLPhraseElement","HTMLTableDataCellElement","HTMLTableHeaderCellElement","History","MSBehaviorUrnsCollection","MSCSSProperties","MSCSSRuleList","MSCompatibleInfo","MSCompatibleInfoCollection","MSCurrentStyleCSSProperties","MSEventObj","MSMimeTypesCollection","MSNamespaceInfo","MSNamespaceInfoCollection","MSPluginsCollection","MSPopupWindow","MSSelection","MSSiteModeEvent","MSStyleCSSProperties","MouseWheelEvent","Navigator","NodeIterator","Performance","PerformanceNavigation","PerformanceTiming","Position","PositionError","Screen","StyleMedia","StyleSheetPageList","TextRange","TextRangeCollection","TreeWalker","XDomainRequest","__IE_DEVTOOLBAR_CONSOLE_COMMAND_LINE"];
189 | 
190 | var windowPropsIndex = function(){
191 |     var r = Object.create(null);
192 |     for(var i = 0; i<windowProps.length; i++) {
193 |         r[windowProps[i]] = null; 
194 |     }
195 |     return r;
196 | }();
197 | window.onload = function(){
198 |     
199 |     document.querySelector("button").onclick = function(){
200 |         //try {
201 |             var parser = new Parser();
202 |             preprocessr.innerHTML = "";
203 |             var tree = parser.parse(document.querySelector("#code").value);
204 |             var o = new Scope();
205 |             process(o,tree);
206 |             document.getElementById("declared").innerHTML = o.getDeclared().join(" ");
207 |             document.getElementById("used").innerHTML = o.getUsed().filter(function(e){
208 |                 return !Object.prototype.hasOwnProperty.call(globalPropsIndex,e) && !Object.prototype.hasOwnProperty.call(windowPropsIndex,e);
209 |             }).join(" ");
210 |             document.getElementById("es").innerHTML = o.getUsed().filter(function(e){
211 |                 return Object.prototype.hasOwnProperty.call(globalPropsIndex,e);
212 |             }).join(" ");
213 |             document.getElementById("browser").innerHTML = o.getUsed().filter(function(e){
214 |                 return Object.prototype.hasOwnProperty.call(windowPropsIndex,e);
215 |             }).join(" ");
216 | 
217 |         //} catch(e) {
218 |         //    preprocessr.innerHTML = "<span style=\"color:red;\">"+e+"</span>"
219 |         //}
220 |     }
221 | }
222 | </script>
223 | </head>
224 | <body>
225 | 声明的变量：
226 | <div id="declared"></div>
227 | 使用的变量：
228 | <br/>
229 | <a  style="color:darkgreen;cursor:pointer;" onclick="document.getElementById('es').style.display=document.getElementById('es').style.display=='block'?'none':'block';">原生</a> 
230 | <div id="es" style="color:darkgreen;display:none;"></div>
231 | 
232 | <a  style="color:darkgreen;cursor:pointer;" onclick="document.getElementById('browser').style.display=document.getElementById('browser').style.display=='block'?'none':'block';">浏览器</a> 
233 | <div id="browser" style="color:darkgreen;display:none;"></div>
234 | 
235 | <div id="used"></div>
236 | <textarea id="code" style="width:100%;height:500px;"></textarea>
237 | <button >parse</button>
238 |     <div id="preprocessr">
239 | 
240 |     </div>
241 |     
242 | </body>
243 | </html>


--------------------------------------------------------------------------------
/samples/Visualizer.html:
--------------------------------------------------------------------------------
 1 | <!DOCTYPE html>
 2 | <html>
 3 | <head>
 4 | <meta charset="UTF-8" />
 5 | <title>javascript grammar tree visualizer</title>
 6 | <style>
 7 | .symbolName {
 8 |     display:block;
 9 | }
10 | .childContainer {
11 |     padding-left:30px;
12 | }
13 | </style>
14 | <script src="../source/LexicalParser.js"></script>
15 | <script src="../source/SyntacticalParser.js"></script>
16 | <script src="../source/Parser.js"></script>
17 | <script>
18 | 
19 | var special = {
20 |     "Program":visualizeRoot,
21 |     "SourceElements":visualizeList,
22 |     "ElementList":visualizeList,
23 |     "PropertyNameAndValueList":visualizeList,
24 |     "ArgumentList":visualizeList,
25 |     "StatementList":visualizeList,
26 |     "VariableDeclarationListNoIn":visualizeList,
27 |     "VariableDeclarationList":visualizeList,
28 |     "FormalParameterList":visualizeList
29 | }
30 | 
31 | function visualizeList(container,node) {
32 |     var i = node.childNodes.length;    
33 |     while(i--)visualize(container,node.childNodes[i]);            
34 | }
35 | function visualizeRoot(container,node) {
36 |     var title = document.createElement("span");
37 |     title.className = "symbolName";
38 |     title.innerText = node.name + (node.token!=undefined && node.name!=node.token?":"+node.token:"")
39 |     container.appendChild(title);
40 |     var div = document.createElement("div");
41 |     div.className = "childContainer";
42 |     var i = node.childNodes.length;
43 |     container.appendChild(div);
44 |     while(i--)visualize(div,node.childNodes[i]);
45 | }
46 | 
47 | function visualize(container,node) {
48 |     if(special[node.name]) return special[node.name](container,node);
49 | 
50 |     if(node.childNodes.length == 1 && !node.token) 
51 |         return visualize(container,node.childNodes[0]); 
52 | 
53 |     var title = document.createElement("span");
54 |     title.className = "symbolName";
55 |     title.innerText = node.name + (node.token!=undefined && node.name!=node.token?":"+node.token:"")
56 |     container.appendChild(title);
57 |     var div = document.createElement("div");
58 |     div.className = "childContainer";
59 |     var i = node.childNodes.length;
60 |     container.appendChild(div);
61 |     while(i--)visualize(div,node.childNodes[i]);
62 | }
63 | 
64 | window.onload = function(){
65 |     
66 |     document.querySelector("button").onclick = function(){
67 |         try {
68 |             var parser = new Parser();
69 |             visualizer.innerHTML = "";
70 |             var tree = parser.parse(document.querySelector("#code").value);
71 |             visualize(document.querySelector("#visualizer"),tree);
72 |         } catch(e) {
73 |             visualizer.innerHTML = "<span style=\"color:red;\">"+e+"</span>"
74 |         }
75 |     }
76 | }
77 | </script>
78 | </head>
79 | <body>
80 | <textarea id="code" style="width:100%;height:500px;"></textarea>
81 | <button >parse</button>
82 |     <div id="visualizer">
83 | 
84 |     </div>
85 |     
86 | </body>
87 | </html>


--------------------------------------------------------------------------------
/source/LexicalParser.js:
--------------------------------------------------------------------------------
  1 | var lex = 
  2 | {
  3 |     InputElementDiv:"<WhiteSpace>|<LineTerminator>|<Comment>|<ReservedWord>|<Identifier>|<NumericLiteral>|<Punctuator>|<StringLiteral>|<DivPunctuator>", 
  4 |     InputElementRegExp:"<WhiteSpace>|<LineTerminator>|<Comment>|<ReservedWord>|<Identifier>|<NumericLiteral>|<Punctuator>|<RegularExpressionLiteral>|<StringLiteral>", 
  5 |     ReservedWord:"<Keyword>|<FutureReservedWord>|<NullLiteral>|<BooleanLiteral>", 
  6 |     WhiteSpace:/[\t\v\f\u0020\u00A0\u1680\u180E\u2000-\u200A\u202F\u205f\u3000\uFEFF]/, 
  7 |     LineTerminator:/[\n\r\u2028\u2029]/, 
  8 |     Comment:"<SingleLineComment>|<MultiLineComment>", 
  9 |     SingleLineComment:/\/\/[^\n\r\u2028\u2029]*/, 
 10 |     MultiLineComment:/\/\*(?:[^*]|\*[^\/])*\*?\*\//, 
 11 |     Keyword:/break(?![_$a-zA-Z0-9])|else(?![_$a-zA-Z0-9])|new(?![_$a-zA-Z0-9])|var(?![_$a-zA-Z0-9])|case(?![_$a-zA-Z0-9])|finally(?![_$a-zA-Z0-9])|return(?![_$a-zA-Z0-9])|void(?![_$a-zA-Z0-9])|catch(?![_$a-zA-Z0-9])|for(?![_$a-zA-Z0-9])|switch(?![_$a-zA-Z0-9])|while(?![_$a-zA-Z0-9])|continue(?![_$a-zA-Z0-9])|function(?![_$a-zA-Z0-9])|this(?![_$a-zA-Z0-9])|with(?![_$a-zA-Z0-9])|default(?![_$a-zA-Z0-9])|if(?![_$a-zA-Z0-9])|throw(?![_$a-zA-Z0-9])|delete(?![_$a-zA-Z0-9])|in(?![_$a-zA-Z0-9])|try(?![_$a-zA-Z0-9])|do(?![_$a-zA-Z0-9])|instanceof(?![_$a-zA-Z0-9])|typeof(?![_$a-zA-Z0-9])/, 
 12 |     FutureReservedWord:/abstract(?![_$a-zA-Z0-9])|enum(?![_$a-zA-Z0-9])|int(?![_$a-zA-Z0-9])|short(?![_$a-zA-Z0-9])|boolean(?![_$a-zA-Z0-9])|export(?![_$a-zA-Z0-9])|interface(?![_$a-zA-Z0-9])|static(?![_$a-zA-Z0-9])|byte(?![_$a-zA-Z0-9])|extends(?![_$a-zA-Z0-9])|long(?![_$a-zA-Z0-9])|super(?![_$a-zA-Z0-9])|char(?![_$a-zA-Z0-9])|final(?![_$a-zA-Z0-9])|native(?![_$a-zA-Z0-9])|synchronized(?![_$a-zA-Z0-9])|class(?![_$a-zA-Z0-9])|float(?![_$a-zA-Z0-9])|package(?![_$a-zA-Z0-9])|throws(?![_$a-zA-Z0-9])|const(?![_$a-zA-Z0-9])|goto|(?![_$a-zA-Z0-9])private(?![_$a-zA-Z0-9])|transient(?![_$a-zA-Z0-9])|debugger(?![_$a-zA-Z0-9])|implements(?![_$a-zA-Z0-9])|(?![_$a-zA-Z0-9])protected(?![_$a-zA-Z0-9])|volatile(?![_$a-zA-Z0-9])|double(?![_$a-zA-Z0-9])|import(?![_$a-zA-Z0-9])|public(?![_$a-zA-Z0-9])/, 
 13 |     NullLiteral:/null(?![_$a-zA-Z0-9])/,
 14 |     BooleanLiteral:/(?:true|false)(?![_$a-zA-Z0-9])/, 
 15 |     Identifier:/[_$a-zA-Z][_$a-zA-Z0-9]*/, 
 16 |     Punctuator:/>>>=|>>=|<<=|===|!==|>>>|<<|%=|\*=|-=|\+=|<=|>=|==|!=|\^=|\|=|\|\||&&|&=|>>|\+\+|--|\:|}|\*|&|\||\^|!|~|-|\+|\?|%|=|>|<|,|;|\.(?![0-9])|\]|\[|\)|\(|{/, 
 17 |     DivPunctuator:/\/=|\//, 
 18 |     NumericLiteral:/(?:0[xX][0-9a-fA-F]*|\.[0-9]+|(?:[1-9]+[0-9]*|0)(?:\.[0-9]*|\.)?)(?:[eE][+-]{0,1}[0-9]+)?(?![_$a-zA-Z0-9])/, 
 19 |     StringLiteral:/"(?:[^"\n\\\r\u2028\u2029]|\\(?:['"\\bfnrtv\n\r\u2028\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\r\u2028\u2029])*"|'(?:[^'\n\\\r\u2028\u2029]|\\(?:['"\\bfnrtv\n\r\u2028\u2029]|\r\n)|\\x[0-9a-fA-F]{2}|\\u[0-9a-fA-F]{4}|\\[^0-9ux'"\\bfnrtv\n\\\r\u2028\u2029])*'/, RegularExpressionLiteral:/\/(?:\[(?:\\[\s\S]|[^\]])*\]|[^*\/\\\n\r\u2028\u2029]|\\[^\n\r\u2028\u2029])(?:\[(?:\\[\s\S]|[^\]])*\]|[^\/\\\n\r\u2028\u2029]|\\[^\n\r\u2028\u2029])*\/[0-9a-zA-Z]*/
 20 | };
 21 | function XRegExp(xregexps, rootname, flag)
 22 | {
 23 |     var expnames = [rootname];
 24 |     function buildRegExp(source)
 25 |     {
 26 |         var regexp = new RegExp;
 27 |         regexp.compile(source.replace(/<([^>]+)>/g, 
 28 |             function(all, expname)
 29 |             {
 30 |                 if(!xregexps[expname])
 31 |                     return "";
 32 |                 expnames.push(expname);
 33 |                 if(xregexps[expname]instanceof RegExp)
 34 |                     return "(" + xregexps[expname].source + ")";
 35 |                 return "(" + buildRegExp(xregexps[expname]).source + ")";
 36 |             }), flag);
 37 |         return regexp;
 38 |     }
 39 |     var regexp = buildRegExp(xregexps[rootname]);
 40 |     this.exec = 
 41 |         function(string)
 42 |         {
 43 |             var matches = regexp.exec(string);
 44 |             if(matches == null)
 45 |                 return null;
 46 |             var result = new String(matches[0]);
 47 |             for(var i = 0;i < expnames.length;i++)
 48 |                 if(matches[i])
 49 |                     result[expnames[i]] = matches[i];
 50 |             return result;
 51 |         };
 52 |     Object.defineProperty(this, "lastIndex", 
 53 |     {
 54 |         "get":
 55 |         function()
 56 |         {
 57 |             return regexp.lastIndex;
 58 |         }, "set":
 59 |         function(v)
 60 |         {
 61 |             regexp.lastIndex = v;
 62 |         }
 63 |         
 64 |     });
 65 | }
 66 | function LexicalParser()
 67 | {
 68 |     var inputElementDiv = new XRegExp(lex, "InputElementDiv", "g");
 69 |     var inputElementRegExp = new XRegExp(lex, "InputElementRegExp", "g");
 70 |     var source;
 71 |     Object.defineProperty(this, "source", 
 72 |     {
 73 |         "get":
 74 |         function()
 75 |         {
 76 |             return source;
 77 |         }, "set":
 78 |         function(v)
 79 |         {
 80 |             source = v;
 81 |             inputElementDiv.lastIndex = 0;
 82 |             inputElementRegExp.lastIndex = 0;
 83 |         }
 84 |         
 85 |     });
 86 |     this.getNextToken = 
 87 |         function(useDiv)
 88 |         {
 89 |             var lastIndex = inputElementDiv.lastIndex;
 90 |             var inputElement;
 91 |             if(useDiv)
 92 |                 inputElement = inputElementDiv;
 93 |             else
 94 |                 inputElement = inputElementRegExp;
 95 |             var token = inputElement.exec(source);
 96 |             if(token && inputElement.lastIndex - lastIndex > token.length)
 97 |             {
 98 |                 throw new SyntaxError("Unexpected token ILLEGAL");
 99 |             }
100 |             inputElementDiv.lastIndex = inputElement.lastIndex;
101 |             inputElementRegExp.lastIndex = inputElement.lastIndex;
102 |             return token;
103 |         };
104 | }


--------------------------------------------------------------------------------
/source/Parser.js:
--------------------------------------------------------------------------------
 1 | function Parser()
 2 | {
 3 |     this.lexicalParser = new LexicalParser();
 4 |     this.syntacticalParser = new SyntacticalParser();
 5 |     var terminalSymbols = ["NullLiteral", "BooleanLiteral", "NumericLiteral", "StringLiteral", "RegularExpressionLiteral", "RegularExpressionLiteral", "Identifier", "{", "}", "(", ")", "[", "]", ".", ";", ",", "<", ">", "<=", ">=", "==", "!=", "===", "!==", "+", "-", "*", "%", "++", "--", "<<", ">>", ">>>", "&", "|", "^", "!", "~", "&&", "||", "?", ":", "=", "+=", "-=", "*=", "%=", "<<=", ">>=", ">>>=", "&=", "|=", "^=", "/", "/=", "break", "do", "instanceof", "typeof", "case", "else", "new", "var", "catch", "finally", "return", "void", "continue", "for", "switch", "while", "debugger", "function", "this", "with", "default", "if", "throw", "delete", "in", "try", "get", "set"];
 6 |     var terminalSymbolIndex = {};
 7 |     terminalSymbols.forEach(
 8 |         function(e)
 9 |         {
10 |             Object.defineProperty(terminalSymbolIndex, e, {});
11 |         });
12 | 
13 |     this.parse = 
14 |         function(source, onInputElement)
15 |         {
16 |             var token;
17 |             var haveLineTerminator = false;
18 |             this.lexicalParser.source = source;
19 |             var useDiv = false;
20 |             while(token = this.lexicalParser.getNextToken(useDiv))
21 |             {
22 |                 if(onInputElement)
23 |                     onInputElement(token);
24 |                 try
25 |                 {
26 |                     if((token.Comment && token.Comment.match(/[\n\r\u2028\u2029]/)) || token.LineTerminator)
27 |                     {
28 |                         haveLineTerminator = true;
29 |                         continue;
30 |                     }
31 |                     with(this)
32 |                         if(Object.getOwnPropertyNames(token).some(
33 |                             function(e)
34 |                             {
35 |                                 if(terminalSymbolIndex.hasOwnProperty (e))
36 |                                 {
37 |                                     useDiv = syntacticalParser.insertSymbol(new Symbol(e, token), haveLineTerminator);
38 |                                     haveLineTerminator = false;
39 |                                     return true;
40 |                                 }
41 |                                 else
42 |                                     return false;
43 |                             }))
44 |                             continue;
45 |                     if((token["Keyword"] || token["Punctuator"] || token["DivPunctuator"]) && terminalSymbolIndex.hasOwnProperty (token.toString()))
46 |                     {
47 |                         useDiv = this.syntacticalParser.insertSymbol(new Symbol(token.toString(), token), haveLineTerminator);
48 |                         haveLineTerminator = false;
49 |                     }
50 |                 }catch(e)
51 |                 {
52 |                     throw new SyntaxError("Unexpected token " + token);
53 |                 }
54 |             }
55 |             return this.syntacticalParser.grammarTree;
56 |         };
57 | }
58 | 


--------------------------------------------------------------------------------
/source/SyntacticalParser.js:
--------------------------------------------------------------------------------
  1 | var rules = 
  2 | {
  3 |     "IdentifierName":[["Identifier"], ["break"], ["do"], ["instanceof"], ["typeof"], ["case"], ["else"], ["new"], ["var"], ["catch"], ["finally"], ["return"], ["void"], ["continue"], ["for"], ["switch"], ["while"], ["debugger"], ["function"], ["this"], ["with"], ["default"], ["if"], ["throw"], ["delete"], ["in"], ["try"]], 
  4 |     "Literal":[["NullLiteral"], ["BooleanLiteral"], ["NumericLiteral"], ["StringLiteral"], ["RegularExpressionLiteral"]], 
  5 |     "PrimaryExpression":[["this"], ["Identifier"], ["Literal"], ["ArrayLiteral"], ["ObjectLiteral"], ["(", "Expression", ")"]], 
  6 |     "ArrayLiteral":[["[", "]"], ["[", "Elision", "]"], ["[", "ElementList", "]"], ["[", "ElementList", ",", "]"], ["[", "ElementList", ",", "Elision", "]"]], 
  7 |     "ElementList":[["AssignmentExpression"], ["Elision", "AssignmentExpression"], ["ElementList", ",", "AssignmentExpression"], ["ElementList", ",", "Elision", "AssignmentExpression"]], 
  8 |     "Elision":[[","], ["Elision", ","]], 
  9 |     "ObjectLiteral":[["{", "}"], ["{", "PropertyNameAndValueList", "}"], ["{", "PropertyNameAndValueList", ",", "}"]], 
 10 |     "PropertyNameAndValueList":[["PropertyAssignment"], ["PropertyNameAndValueList", ",", "PropertyAssignment"]], 
 11 |     "PropertyAssignment":[["PropertyName", ":", "AssignmentExpression"], ["get", "PropertyName", "(", ")", "{", "FunctionBody", "}"], ["set", "PropertyName", "(", "PropertySetParameterList", ")", "{", "FunctionBody", "}"]], 
 12 |     "PropertyName":[["IdentifierName"], ["StringLiteral"], ["NumericLiteral"]], 
 13 |     "PropertySetParameterList":[["Identifier"]], 
 14 |     "MemberExpression":[["PrimaryExpression"], ["FunctionExpression"], ["MemberExpression", "[", "Expression", "]"], ["MemberExpression", ".", "IdentifierName"], ["new", "MemberExpression", "Arguments"]], 
 15 |     "NewExpression":[["MemberExpression"], ["new", "NewExpression"]], 
 16 |     "CallExpression":[["MemberExpression", "Arguments"], ["CallExpression", "Arguments"], ["CallExpression", "[", "Expression", "]"], ["CallExpression", ".", "IdentifierName"]], 
 17 |     "Arguments":[["(", ")"], ["(", "ArgumentList", ")"]], 
 18 |     "ArgumentList":[["AssignmentExpression"], ["ArgumentList", ",", "AssignmentExpression"]], 
 19 |     "LeftHandSideExpression":[["NewExpression"], ["CallExpression"]], 
 20 |     "PostfixExpression":[["LeftHandSideExpression"], ["LeftHandSideExpression", "[noLineTerminator]", "++"], ["LeftHandSideExpression", "[noLineTerminator]", "--"]], 
 21 |     "UnaryExpression":[["PostfixExpression"], ["delete", "UnaryExpression"], ["void", "UnaryExpression"], ["typeof", "UnaryExpression"], ["++", "UnaryExpression"], ["--", "UnaryExpression"], ["+", "UnaryExpression"], ["-", "UnaryExpression"], ["~", "UnaryExpression"], ["!", "UnaryExpression"]], 
 22 |     "MultiplicativeExpression":[["MultiplicativeExpression", "[div]", "/", "UnaryExpression"], ["UnaryExpression"], ["MultiplicativeExpression", "*", "UnaryExpression"], ["MultiplicativeExpression", "%", "UnaryExpression"]], 
 23 |     "AdditiveExpression":[["MultiplicativeExpression"], ["AdditiveExpression", "+", "MultiplicativeExpression"], ["AdditiveExpression", "-", "MultiplicativeExpression"]], 
 24 |     "ShiftExpression":[["AdditiveExpression"], ["ShiftExpression", "<<", "AdditiveExpression"], ["ShiftExpression", ">>", "AdditiveExpression"], ["ShiftExpression", ">>>", "AdditiveExpression"]], 
 25 |     "RelationalExpression":[["ShiftExpression"], ["RelationalExpression", "<", "ShiftExpression"], ["RelationalExpression", ">", "ShiftExpression"], ["RelationalExpression", "<=", "ShiftExpression"], ["RelationalExpression", ">=", "ShiftExpression"], ["RelationalExpression", "instanceof", "ShiftExpression"], ["RelationalExpression", "in", "ShiftExpression"]], 
 26 |     "RelationalExpressionNoIn":[["ShiftExpression"], ["RelationalExpressionNoIn", "<", "ShiftExpression"], ["RelationalExpressionNoIn", ">", "ShiftExpression"], ["RelationalExpressionNoIn", "<=", "ShiftExpression"], ["RelationalExpressionNoIn", ">=", "ShiftExpression"], ["RelationalExpressionNoIn", "instanceof", "ShiftExpression"]], 
 27 |     "EqualityExpression":[["RelationalExpression"], ["EqualityExpression", "==", "RelationalExpression"], ["EqualityExpression", "!=", "RelationalExpression"], ["EqualityExpression", "===", "RelationalExpression"], ["EqualityExpression", "!==", "RelationalExpression"]], 
 28 |     "EqualityExpressionNoIn":[["RelationalExpressionNoIn"], ["EqualityExpressionNoIn", "==", "RelationalExpressionNoIn"], ["EqualityExpressionNoIn", "!=", "RelationalExpressionNoIn"], ["EqualityExpressionNoIn", "===", "RelationalExpressionNoIn"], ["EqualityExpressionNoIn", "!==", "RelationalExpressionNoIn"]], 
 29 |     "BitwiseANDExpression":[["EqualityExpression"], ["BitwiseANDExpression", "&", "EqualityExpression"]], 
 30 |     "BitwiseANDExpressionNoIn":[["EqualityExpressionNoIn"], ["BitwiseANDExpressionNoIn", "&", "EqualityExpressionNoIn"]], 
 31 |     "BitwiseXORExpression":[["BitwiseANDExpression"], ["BitwiseXORExpression", "^", "BitwiseANDExpression"]], 
 32 |     "BitwiseXORExpressionNoIn":[["BitwiseANDExpressionNoIn"], ["BitwiseXORExpressionNoIn", "^", "BitwiseANDExpressionNoIn"]], 
 33 |     "BitwiseORExpression":[["BitwiseXORExpression"], ["BitwiseORExpression", "|", "BitwiseXORExpression"]], 
 34 |     "BitwiseORExpressionNoIn":[["BitwiseXORExpressionNoIn"], ["BitwiseORExpressionNoIn", "|", "BitwiseXORExpressionNoIn"]], 
 35 |     "LogicalANDExpression":[["BitwiseORExpression"], ["LogicalANDExpression", "&&", "BitwiseORExpression"]], 
 36 |     "LogicalANDExpressionNoIn":[["BitwiseORExpressionNoIn"], ["LogicalANDExpressionNoIn", "&&", "BitwiseORExpressionNoIn"]], 
 37 |     "LogicalORExpression":[["LogicalANDExpression"], ["LogicalORExpression", "||", "LogicalANDExpression"]], 
 38 |     "LogicalORExpressionNoIn":[["LogicalANDExpressionNoIn"], ["LogicalORExpressionNoIn", "||", "LogicalANDExpressionNoIn"]], 
 39 |     "ConditionalExpression":[["LogicalORExpression"], ["LogicalORExpression", "?", "AssignmentExpression", ":", "AssignmentExpression"]], 
 40 |     "ConditionalExpressionNoIn":[["LogicalORExpressionNoIn"], ["LogicalORExpressionNoIn", "?", "AssignmentExpressionNoIn", ":", "AssignmentExpressionNoIn"]], 
 41 |     "AssignmentExpression":[["ConditionalExpression"], ["LeftHandSideExpression", "[div]", "AssignmentOperator", "AssignmentExpression"]], 
 42 |     "AssignmentExpressionNoIn":[["LeftHandSideExpression", "[div]", "AssignmentOperator", "AssignmentExpressionNoIn"], ["ConditionalExpressionNoIn"]], 
 43 |     "AssignmentOperator":[["="], ["*="], ["/="], ["%="], ["+="], ["-="], ["<<="], [">>="], [">>>="], ["&="], ["^="], ["|="]], 
 44 |     "Expression":[["AssignmentExpression"], ["Expression", ",", "AssignmentExpression"]], 
 45 |     "ExpressionNoIn":[["AssignmentExpressionNoIn"], ["ExpressionNoIn", ",", "AssignmentExpressionNoIn"]], 
 46 |     "Statement":[["Block"], ["VariableStatement"], ["EmptyStatement"], ["ExpressionStatement"], ["IfStatement"], ["IterationStatement"], ["ContinueStatement"], ["BreakStatement"], ["ReturnStatement"], ["WithStatement"], ["LabelledStatement"], ["SwitchStatement"], ["ThrowStatement"], ["TryStatement"], ["DebuggerStatement"]], 
 47 |     "Block":[["{", "}"], ["{", "StatementList", "}"]], 
 48 |     "StatementList":[["FunctionDeclaration"], ["Statement"], ["StatementList", "Statement"], ["StatementList", "FunctionDeclaration"]], 
 49 |     "VariableStatement":[["var", "VariableDeclarationList", ";"]], 
 50 |     "VariableDeclarationList":[["VariableDeclaration"], ["VariableDeclarationList", ",", "VariableDeclaration"]], 
 51 |     "VariableDeclarationListNoIn":[["VariableDeclarationNoIn"], ["VariableDeclarationListNoIn", ",", "VariableDeclarationNoIn"]], 
 52 |     "VariableDeclaration":[["Identifier"], ["Identifier", "Initialiser"]], 
 53 |     "VariableDeclarationNoIn":[["Identifier"], ["Identifier", "InitialiserNoIn"]], 
 54 |     "Initialiser":[["=", "AssignmentExpression"]], 
 55 |     "InitialiserNoIn":[["=", "AssignmentExpressionNoIn"]], 
 56 |     "EmptyStatement":[[";"]], 
 57 |     "ExpressionStatement":[["Expression", "[lookaheadno{{,function}]", ";"]], 
 58 |     "IfStatement":[["if", "(", "Expression", ")", "Statement", "else", "Statement"], ["if", "(", "Expression", ")", "Statement"]], 
 59 |     "IterationStatement":[["do", "Statement", "while", "(", "Expression", ")", ";"], ["while", "(", "Expression", ")", "Statement"], ["for", "(", "ExpressionNoIn", ";", "Expression", ";", "Expression", ")", "Statement"], ["for", "(", ";", "Expression", ";", "Expression", ")", "Statement"], ["for", "(", "ExpressionNoIn", ";", ";", "Expression", ")", "Statement"], ["for", "(", ";", ";", "Expression", ")", "Statement"], ["for", "(", "ExpressionNoIn", ";", "Expression", ";", ")", "Statement"], ["for", "(", ";", "Expression", ";", ")", "Statement"], ["for", "(", "ExpressionNoIn", ";", ";", ")", "Statement"], ["for", "(", ";", ";", ")", "Statement"], ["for", "(", "var", "VariableDeclarationListNoIn", ";", "Expression", ";", "Expression", ")", "Statement"], ["for", "(", "var", "VariableDeclarationListNoIn", ";", ";", "Expression", ")", "Statement"], ["for", "(", "var", "VariableDeclarationListNoIn", ";", "Expression", ";", ")", "Statement"], ["for", "(", "var", "VariableDeclarationListNoIn", ";", ";", ")", "Statement"], ["for", "(", "LeftHandSideExpression", "in", "Expression", ")", "Statement"], ["for", "(", "var", "VariableDeclarationNoIn", "in", "Expression", ")", "Statement"]], 
 60 |     "ContinueStatement":[["continue", ";"], ["continue", "[noLineTerminator]", "Identifier", ";"]], 
 61 |     "BreakStatement":[["break", ";"], ["break", "[noLineTerminator]", "Identifier", ";"]], 
 62 |     "ReturnStatement":[["return", ";"], ["return", "[noLineTerminator]", "Expression", ";"]], 
 63 |     "WithStatement":[["with", "(", "Expression", ")", "Statement"]], 
 64 |     "SwitchStatement":[["switch", "(", "Expression", ")", "CaseBlock"]], 
 65 |     "CaseBlock":[["{", "}"], ["{", "CaseClauses", "}"], ["{", "CaseClauses", "DefaultClause", "}"], ["{", "DefaultClause", "}"], ["{", "CaseClauses", "DefaultClause", "CaseClauses", "}"], ["{", "DefaultClause", "CaseClauses", "}"]], 
 66 |     "CaseClauses":[["CaseClause"], ["CaseClauses", "CaseClause"]], 
 67 |     "CaseClause":[["case", "Expression", ":", "StatementList"], ["case", "Expression", ":"]], 
 68 |     "DefaultClause":[["default", ":", "StatementList"], ["default", ":"]], 
 69 |     "LabelledStatement":[["Identifier", ":", "Statement"]], 
 70 |     "ThrowStatement":[["throw", "[noLineTerminator]", "Expression", ";"]], 
 71 |     "TryStatement":[["try", "Block", "Catch"], ["try", "Block", "Finally"], ["try", "Block", "Catch", "Finally"]], 
 72 |     "Catch":[["catch", "(", "Identifier", ")", "Block"]], 
 73 |     "Finally":[["finally", "Block"]], 
 74 |     "DebuggerStatement":[["debugger", ";"]], 
 75 |     "FunctionDeclaration":[["function", "Identifier", "(", "FormalParameterList", ")", "{", "FunctionBody", "}"],["function", "Identifier", "(", "FormalParameterList", ")", "{", "}"], ["function", "Identifier", "(", ")", "{", "FunctionBody", "}"], ["function", "Identifier", "(", ")", "{", "}"]], 
 76 |     "FunctionExpression":[["function", "Identifier", "(", "FormalParameterList", ")", "{", "FunctionBody", "}"], ["function", "(", "FormalParameterList", ")", "{", "FunctionBody", "}"], ["function", "Identifier", "(", ")", "{", "FunctionBody", "}"], ["function", "(", ")", "{", "FunctionBody", "}"],  ["function", "Identifier", "(", "FormalParameterList", ")", "{", "}"], ["function", "(", "FormalParameterList", ")", "{", "}"], ["function", "Identifier", "(", ")", "{", "}"], ["function", "(", ")", "{", "}"]], 
 77 |     "FormalParameterList":[["Identifier"], ["FormalParameterList", ",", "Identifier"]], 
 78 |     "FunctionBody":[["SourceElements"]], 
 79 |     "Program":[["SourceElements"]], 
 80 |     "SourceElements":[["SourceElement"], ["SourceElements", "SourceElement"]], "SourceElement":[["Statement"], ["FunctionDeclaration"]]
 81 |     
 82 | };
 83 | function Symbol(symbolName, token)
 84 | {
 85 |     this.name = symbolName;
 86 |     this.token = token;
 87 |     this.childNodes = [];
 88 |     this. toString  = 
 89 |         function(indent)
 90 |         {
 91 |             if(!indent)
 92 |                 indent = "";
 93 |             if(this.childNodes.length == 1)
 94 |                 return this.childNodes[0]. toString (indent);
 95 |             var str = indent + this.name + (this.token != undefined && this.name != this.token ? ":" + this.token:"") + "\n";
 96 |             for(var i = 0;i < this.childNodes.length;i++)
 97 |                 str += this.childNodes[i]. toString (indent + "    ");
 98 |             return str;
 99 |         };
100 | }
101 | function SyntacticalParser()
102 | {
103 |     var currentRule;
104 |     var root = 
105 |     {Program:"$"
106 |         
107 |     };
108 |     var hash = 
109 |     {
110 |         
111 |     };
112 |     function visitNode(node)
113 |     {
114 |         hash[JSON.stringify(node)] = node;
115 |         node.$closure = true;
116 |         var queue = Object.getOwnPropertyNames(node);
117 |         while(queue.length)
118 |         {
119 |             var symbolName = queue.shift();
120 |             if(!rules[symbolName])
121 |                 continue;
122 |             rules[symbolName].forEach(
123 |                 function(rule)
124 |                 {
125 |                     if(node[symbolName].$lookahead && node[symbolName].$lookahead.some(
126 |                         function(e)
127 |                         {
128 |                             return e == rule[0];
129 |                         }))
130 |                         return;
131 |                     if(!node[rule[0]])
132 |                         queue.push(rule[0]);
133 |                     var rulenode = node;
134 |                     var lastnode = null;
135 |                     rule.forEach(
136 |                         function(symbol)
137 |                         {
138 |                             if(symbol.match(/\[([^\]]+)\]/))
139 |                             {
140 |                                 if(RegExp.$1 == "lookaheadno{{,function}")
141 |                                 {
142 |                                     rulenode["$lookahead"] = ["{", "function"];
143 |                                 }
144 |                                 else
145 |                                     rulenode["$" + RegExp.$1] = true;
146 |                                 return;
147 |                             }
148 |                             if(!rulenode[symbol])
149 |                                 rulenode[symbol] = 
150 |                                 {
151 |                                     
152 |                                 };
153 |                             lastnode = rulenode;
154 |                             rulenode = rulenode[symbol];
155 |                         });
156 |                     if(node[symbolName].$lookahead)
157 |                         node[rule[0]].$lookahead = node[symbolName].$lookahead;
158 |                     if(node[symbolName].$div)
159 |                         rulenode.$div = true;
160 |                     rulenode.$reduce = symbolName;
161 |                     rulenode.$count = rule.filter(
162 |                         function(e)
163 |                         {
164 |                             return!e.match(/\[([^\]]+)\]/);
165 |                         }).length;
166 |                 });
167 |         }
168 |         for(var p in node)
169 |         {
170 |             if(typeof node[p] != "object" || p.charAt(0) == "$" || node[p].$closure)
171 |                 continue;
172 |             if(hash[JSON.stringify(node[p])])
173 |                 node[p] = hash[JSON.stringify(node[p])];
174 |             else
175 |             {
176 |                 visitNode(node[p]);
177 |             }
178 |         }
179 |     }
180 |     visitNode(root);
181 |     var symbolStack = [];
182 |     var statusStack = [root];
183 |     var current = root;
184 |     this.insertSymbol = 
185 |         function insertSymbol(symbol, haveLineTerminator)
186 |         {
187 |             while(!current[symbol.name] && current["$reduce"])
188 |             {
189 |                 var count = current["$count"];
190 |                 var newsymbol = new Symbol(current["$reduce"]);
191 |                 while(count--)
192 |                     newsymbol.childNodes.push(symbolStack.pop()), statusStack.pop();
193 |                 current = statusStack[statusStack.length - 1];
194 |                 this.insertSymbol(newsymbol);
195 |             }
196 |             if(current.$noLineTerminator && haveLineTerminator)
197 |             {
198 |                 this.insertSymbol(new Symbol(";", ";"));
199 |                 return this.insertSymbol(symbol);
200 |             }
201 |             if(!current[symbol.name] && current[";"] && current[";"]["$reduce"] && current[";"]["$reduce"] != "EmptyStatement" && (haveLineTerminator || symbol.name == "}"))
202 |             {
203 |                 this.insertSymbol(new Symbol(";", ";"));
204 |                 return this.insertSymbol(symbol);
205 |             }
206 |             current = current[symbol.name];
207 |             symbolStack.push(symbol), statusStack.push(current);
208 |             if(!current)
209 |                 throw new Error();
210 |             return current.$div;
211 |         };
212 |     this.reset = 
213 |         function()
214 |         {
215 |             current = root;
216 |             symbolStack = [];
217 |             statusStack = [root];
218 |         };
219 |     Object.defineProperty(this, "grammarTree", 
220 |     {"get":
221 |         function()
222 |         {
223 |             try
224 |             {
225 |                 while(current["$reduce"])
226 |                 {
227 |                     var count = current["$count"];
228 |                     var newsymbol = new Symbol(current["$reduce"]);
229 |                     while(count--)
230 |                         newsymbol.childNodes.push(symbolStack.pop()), statusStack.pop();
231 |                     current = statusStack[statusStack.length - 1];
232 |                     this.insertSymbol(newsymbol);
233 |                 }
234 |                 if(symbolStack.length > 0 && current[";"])
235 |                 {
236 |                     this.insertSymbol(new Symbol(";", ";"));
237 |                     return this.grammarTree;
238 |                 }
239 |                 if(symbolStack.length != 1 || symbolStack[0].name != "Program")
240 |                     throw new Error();
241 |             }catch(e)
242 |             {
243 |                 throw new SyntaxError("Unexpected end of input");
244 |             }
245 |             return symbolStack[0];
246 |         }
247 |         
248 |     });
249 | }
250 | 


--------------------------------------------------------------------------------
/test/cases.js:
--------------------------------------------------------------------------------
  1 | var cases = [
  2 |     "this\n",
  3 |     "null\n",
  4 |     "\n    42\n\n",
  5 |     "(1 + 2 ) * 3",
  6 |     "(1) + (2  ) + 3",
  7 |     "4 + 5 << (6)",
  8 |     "x = []",
  9 |     "x = [ ]",
 10 |     "x = [ 42 ]",
 11 |     "x = [ 42, ]",
 12 |     "x = [ ,, 42 ]",
 13 |     "x = [ 1, 2, 3, ]",
 14 |     "x = [ 1, 2,, 3, ]",
 15 |     "日本語 = []",
 16 |     "T‿ = []",
 17 |     "T‌ = []",
 18 |     "T‍ = []",
 19 |     "ⅣⅡ = []",
 20 |     "ⅣⅡ = []",
 21 |     "x = {}",
 22 |     "x = { }",
 23 |     "x = { answer: 42 }",
 24 |     "x = { if: 42 }",
 25 |     "x = { true: 42 }",
 26 |     "x = { false: 42 }",
 27 |     "x = { null: 42 }",
 28 |     "x = { \"answer\": 42 }",
 29 |     "x = { x: 1, x: 2 }",
 30 |     "x = { get width() { return m_width } }",
 31 |     "x = { get undef() {} }",
 32 |     "x = { get if() {} }",
 33 |     "x = { get true() {} }",
 34 |     "x = { get false() {} }",
 35 |     "x = { get null() {} }",
 36 |     "x = { get \"undef\"() {} }",
 37 |     "x = { get 10() {} }",
 38 |     "x = { set width(w) { m_width = w } }",
 39 |     "x = { set if(w) { m_if = w } }",
 40 |     "x = { set true(w) { m_true = w } }",
 41 |     "x = { set false(w) { m_false = w } }",
 42 |     "x = { set null(w) { m_null = w } }",
 43 |     "x = { set \"null\"(w) { m_null = w } }",
 44 |     "x = { set 10(w) { m_null = w } }",
 45 |     "x = { get: 42 }",
 46 |     "x = { set: 43 }",
 47 |     "x = { __proto__: 2 }",
 48 |     "x = {\"__proto__\": 2 }",
 49 |     "x = { get width() { return m_width }, set width(width) { m_width = width; } }",
 50 |     "/* block comment */ 42",
 51 |     "42 /*The*/ /*Answer*/",
 52 |     "42 /*the*/ /*answer*/",
 53 |     "42 /* the * answer */",
 54 |     "42 /* The * answer */",
 55 |     "/* multiline\ncomment\nshould\nbe\nignored */ 42",
 56 |     "/*a\nb*/ 42",
 57 |     "/*a\nb*/ 42",
 58 |     "/*a\nb*/ 42",
 59 |     "/*a\nc*/ 42",
 60 |     "// line comment\n42",
 61 |     "42 // line comment",
 62 |     "// Hello, world!\n42",
 63 |     "// Hello, world!\n",
 64 |     "// Hallo, world!\n",
 65 |     "//\n42",
 66 |     "//",
 67 |     "// ",
 68 |     "/**/42",
 69 |     "// Hello, world!\n\n//   Another hello\n42",
 70 |     "if (x) { // Some comment\ndoThat(); }",
 71 |     "switch (answer) { case 42: /* perfect */ bingo() }",
 72 |     "0",
 73 |     "3",
 74 |     "5",
 75 |     "42",
 76 |     ".14",
 77 |     "3.14159",
 78 |     "6.02214179e+23",
 79 |     "1.492417830e-10",
 80 |     "0x0",
 81 |     "0x0;",
 82 |     "0e+100 ",
 83 |     "0e+100",
 84 |     "0xabc",
 85 |     "0xdef",
 86 |     "0X1A",
 87 |     "0x10",
 88 |     "0x100",
 89 |     "0X04",
 90 |     "02",
 91 |     "012",
 92 |     "0012",
 93 |     "\"Hello\"",
 94 |     "\"\\n\\r\\t\\v\\b\\f\\\\\\'\\\"\\0\"",
 95 |     "\"\\u0061\"",
 96 |     "\"\\x61\"",
 97 |     "\"\\u00\"",
 98 |     "\"\\xt\"",
 99 |     "\"Hello\\nworld\"",
100 |     "\"Hello\\\nworld\"",
101 |     "\"Hello\\02World\"",
102 |     "\"Hello\\012World\"",
103 |     "\"Hello\\122World\"",
104 |     "\"Hello\\0122World\"",
105 |     "\"Hello\\312World\"",
106 |     "\"Hello\\412World\"",
107 |     "\"Hello\\812World\"",
108 |     "\"Hello\\712World\"",
109 |     "\"Hello\\0World\"",
110 |     "\"Hello\\\nworld\"",
111 |     "\"Hello\\1World\"",
112 |     "var x = /[a-z]/i",
113 |     "var x = /[x-z]/i",
114 |     "var x = /[a-c]/i",
115 |     "var x = /[P QR]/i",
116 |     "var x = /foo\\/bar/",
117 |     "var x = /=([^=\\s])+/g",
118 |     "var x = /[P QR]/\\u0067",
119 |     "var x = /[P QR]/\\g",
120 |     "var x = /42/g.test",
121 |     "new Button",
122 |     "new Button()",
123 |     "new new foo",
124 |     "new new foo()",
125 |     "new foo().bar()",
126 |     "new foo[bar]",
127 |     "new foo.bar()",
128 |     "( new foo).bar()",
129 |     "foo(bar, baz)",
130 |     "(    foo  )()",
131 |     "universe.milkyway",
132 |     "universe.milkyway.solarsystem",
133 |     "universe.milkyway.solarsystem.Earth",
134 |     "universe[galaxyName, otherUselessName]",
135 |     "universe[galaxyName]",
136 |     "universe[42].galaxies",
137 |     "universe(42).galaxies",
138 |     "universe(42).galaxies(14, 3, 77).milkyway",
139 |     "earth.asia.Indonesia.prepareForElection(2014)",
140 |     "universe.if",
141 |     "universe.true",
142 |     "universe.false",
143 |     "universe.null",
144 |     "x++",
145 |     "x--",
146 |     "eval++",
147 |     "eval--",
148 |     "arguments++",
149 |     "arguments--",
150 |     "++x",
151 |     "--x",
152 |     "++eval",
153 |     "--eval",
154 |     "++arguments",
155 |     "--arguments",
156 |     "+x",
157 |     "-x",
158 |     "~x",
159 |     "!x",
160 |     "void x",
161 |     "delete x",
162 |     "typeof x",
163 |     "x * y",
164 |     "x / y",
165 |     "x % y",
166 |     "x + y",
167 |     "x - y",
168 |     "\"use strict\" + 42",
169 |     "x << y",
170 |     "x >> y",
171 |     "x >>> y",
172 |     "x < y",
173 |     "x > y",
174 |     "x <= y",
175 |     "x >= y",
176 |     "x in y",
177 |     "x instanceof y",
178 |     "x < y < z",
179 |     "x == y",
180 |     "x != y",
181 |     "x === y",
182 |     "x !== y",
183 |     "x & y",
184 |     "x ^ y",
185 |     "x | y",
186 |     "x + y + z",
187 |     "x - y + z",
188 |     "x + y - z",
189 |     "x - y - z",
190 |     "x + y * z",
191 |     "x + y / z",
192 |     "x - y % z",
193 |     "x * y * z",
194 |     "x * y / z",
195 |     "x * y % z",
196 |     "x % y * z",
197 |     "x << y << z",
198 |     "x | y | z",
199 |     "x & y & z",
200 |     "x ^ y ^ z",
201 |     "x & y | z",
202 |     "x | y ^ z",
203 |     "x | y & z",
204 |     "x || y",
205 |     "x && y",
206 |     "x || y || z",
207 |     "x && y && z",
208 |     "x || y && z",
209 |     "x || y ^ z",
210 |     "y ? 1 : 2",
211 |     "x && y ? 1 : 2",
212 |     "x = 42",
213 |     "eval = 42",
214 |     "arguments = 42",
215 |     "x *= 42",
216 |     "x /= 42",
217 |     "x %= 42",
218 |     "x += 42",
219 |     "x -= 42",
220 |     "x <<= 42",
221 |     "x >>= 42",
222 |     "x >>>= 42",
223 |     "x &= 42",
224 |     "x ^= 42",
225 |     "x |= 42",
226 |     "a || b && c | d ^ e & f == g < h >>> i + j * k",
227 |     "{ foo }",
228 |     "{ doThis(); doThat(); }",
229 |     "{}",
230 |     "var x",
231 |     "var x, y;",
232 |     "var x = 42",
233 |     "var eval = 42, arguments = 42",
234 |     "var x = 14, y = 3, z = 1977",
235 |     "var implements, interface, package",
236 |     "var private, protected, public, static",
237 |     "let x",
238 |     "{ let x }",
239 |     "{ let x = 42 }",
240 |     "{ let x = 14, y = 3, z = 1977 }",
241 |     "const x = 42",
242 |     "{ const x = 42 }",
243 |     "{ const x = 14, y = 3, z = 1977 }",
244 |     ";",
245 |     "x",
246 |     "x, y",
247 |     "\\u0061",
248 |     "a\\u0061",
249 |     "\\u0061a",
250 |     "\\u0061a ",
251 |     "if (morning) goodMorning()",
252 |     "if (morning) (function(){})",
253 |     "if (morning) var x = 0;",
254 |     "if (morning) function a(){}",
255 |     "if (morning) goodMorning(); else goodDay()",
256 |     "do keep(); while (true)",
257 |     "do keep(); while (true);",
258 |     "do { x++; y--; } while (x < 10)",
259 |     "{ do { } while (false) false }",
260 |     "while (true) doSomething()",
261 |     "while (x < 10) { x++; y--; }",
262 |     "for(;;);",
263 |     "for(;;){}",
264 |     "for(x = 0;;);",
265 |     "for(var x = 0;;);",
266 |     "for(let x = 0;;);",
267 |     "for(var x = 0, y = 1;;);",
268 |     "for(x = 0; x < 42;);",
269 |     "for(x = 0; x < 42; x++);",
270 |     "for(x = 0; x < 42; x++) process(x);",
271 |     "for(x in list) process(x);",
272 |     "for (var x in list) process(x);",
273 |     "for (var x = 42 in list) process(x);",
274 |     "for (let x in list) process(x);",
275 |     "for (var i = function() { return 10 in [] } in list) process(x);",
276 |     "while (true) { continue; }",
277 |     "while (true) { continue }",
278 |     "done: while (true) { continue done }",
279 |     "done: while (true) { continue done; }",
280 |     "__proto__: while (true) { continue __proto__; }",
281 |     "while (true) { break }",
282 |     "done: while (true) { break done }",
283 |     "done: while (true) { break done; }",
284 |     "__proto__: while (true) { break __proto__; }",
285 |     "(function(){ return })",
286 |     "(function(){ return; })",
287 |     "(function(){ return x; })",
288 |     "(function(){ return x * y })",
289 |     "with (x) foo = bar",
290 |     "with (x) foo = bar;",
291 |     "with (x) { foo = bar }",
292 |     "switch (x) {}",
293 |     "switch (answer) { case 42: hi(); break; }",
294 |     "switch (answer) { case 42: hi(); break; default: break }",
295 |     "start: for (;;) break start",
296 |     "start: while (true) break start",
297 |     "__proto__: test",
298 |     "throw x;",
299 |     "throw x * y",
300 |     "throw { message: \"Error\" }",
301 |     "try { } catch (e) { }",
302 |     "try { } catch (eval) { }",
303 |     "try { } catch (arguments) { }",
304 |     "try { } catch (e) { say(e) }",
305 |     "try { } finally { cleanup(stuff) }",
306 |     "try { doThat(); } catch (e) { say(e) }",
307 |     "try { doThat(); } catch (e) { say(e) } finally { cleanup(stuff) }",
308 |     "debugger;",
309 |     "function hello() { sayHi(); }",
310 |     "function eval() { }",
311 |     "function arguments() { }",
312 |     "function test(t, t) { }",
313 |     "(function test(t, t) { })",
314 |     "function eval() { function inner() { \"use strict\" } }",
315 |     "function hello(a) { sayHi(); }",
316 |     "function hello(a, b) { sayHi(); }",
317 |     "var hi = function() { sayHi() };",
318 |     "var hi = function eval() { };",
319 |     "var hi = function arguments() { };",
320 |     "var hello = function hi() { sayHi() };",
321 |     "(function(){})",
322 |     "function universe(__proto__) { }",
323 |     "function test() { \"use strict\" + 42; }",
324 |     "{ x\n++y }",
325 |     "{ x\n--y }",
326 |     "var x /* comment */;",
327 |     "{ var x = 14, y = 3\nz; }",
328 |     "while (true) { continue\nthere; }",
329 |     "while (true) { continue // Comment\nthere; }",
330 |     "while (true) { continue /* Multiline\nComment */there; }",
331 |     "while (true) { break\nthere; }",
332 |     "while (true) { break // Comment\nthere; }",
333 |     "while (true) { break /* Multiline\nComment */there; }",
334 |     "(function(){ return\nx; })",
335 |     "(function(){ return // Comment\nx; })",
336 |     "(function(){ return/* Multiline\nComment */x; })",
337 |     "{ throw error\nerror; }",
338 |     "{ throw error// Comment\nerror; }",
339 |     "{ throw error/* Multiline\nComment */error; }",
340 |     "",
341 |     "{",
342 |     "}",
343 |     "3ea",
344 |     "3in []",
345 |     "3e",
346 |     "3e+",
347 |     "3e-",
348 |     "3x",
349 |     "3x0",
350 |     "0x",
351 |     "09",
352 |     "018",
353 |     "01a",
354 |     "3in[]",
355 |     "0x3in[]",
356 |     "\"Hello\nWorld\"",
357 |     "x\\",
358 |     "x\\u005c",
359 |     "x\\u002a",
360 |     "var x = /(s/g",
361 |     "a\\u",
362 |     "\\ua",
363 |     "/",
364 |     "/test",
365 |     "var x = /[a-z]/\\ux",
366 |     "3 = 4",
367 |     "func() = 4",
368 |     "(1 + 1) = 10",
369 |     "1++",
370 |     "1--",
371 |     "++1",
372 |     "--1",
373 |     "for((1 + 1) in list) process(x);",
374 |     "[",
375 |     "[,",
376 |     "1 + {",
377 |     "1 + { t:t ",
378 |     "1 + { t:t,",
379 |     "var x = /\n/",
380 |     "var x = \"\n",
381 |     "var if = 42",
382 |     "i #= 42",
383 |     "i + 2 = 42",
384 |     "+i = 42",
385 |     "1 + (",
386 |     "\n\n\n{",
387 |     "\n/* Some multiline\ncomment */\n)",
388 |     "{ set 1 }",
389 |     "{ get 2 }",
390 |     "({ set: s(if) { } })",
391 |     "({ set s(.) { } })",
392 |     "({ set: s() { } })",
393 |     "({ set: s(a, b) { } })",
394 |     "({ get: g(d) { } })",
395 |     "({ get i() { }, i: 42 })",
396 |     "({ i: 42, get i() { } })",
397 |     "({ set i(x) { }, i: 42 })",
398 |     "({ i: 42, set i(x) { } })",
399 |     "({ get i() { }, get i() { } })",
400 |     "({ set i(x) { }, set i(x) { } })",
401 |     "function t(if) { }",
402 |     "function t(true) { }",
403 |     "function t(false) { }",
404 |     "function t(null) { }",
405 |     "function null() { }",
406 |     "function true() { }",
407 |     "function false() { }",
408 |     "function if() { }",
409 |     "a b;",
410 |     "if.a;",
411 |     "a if;",
412 |     "a class;",
413 |     "break\n",
414 |     "break 1;",
415 |     "continue\n",
416 |     "continue 2;",
417 |     "throw",
418 |     "throw;",
419 |     "throw\n",
420 |     "for (var i, i2 in {});",
421 |     "for ((i in {}));",
422 |     "for (i + 1 in {});",
423 |     "for (+i in {});",
424 |     "if(false)",
425 |     "if(false) doThis(); else",
426 |     "do",
427 |     "while(false)",
428 |     "for(;;)",
429 |     "with(x)",
430 |     "try { }",
431 |     "‿ = 10",
432 |     "const x = 12, y;",
433 |     "const x, y = 12;",
434 |     "const x;",
435 |     "if(true) let a = 1;",
436 |     "if(true) const a = 1;",
437 |     "switch (c) { default: default: }",
438 |     "new X().\"s\"",
439 |     "/*",
440 |     "/*\n\n\n",
441 |     "/**",
442 |     "/*\n\n*",
443 |     "/*hello",
444 |     "/*hello  *",
445 |     "\n]",
446 |     "\n]",
447 |     "\n]",
448 |     "\n\n]",
449 |     "//\n]",
450 |     "//\n\n]",
451 |     "/a\\\n/",
452 |     "//\n \n]",
453 |     "/*\n*/]",
454 |     "/*\n\n*/]",
455 |     "/*\n \n*/]",
456 |     "\\\\",
457 |     "\\u005c",
458 |     "\\x",
459 |     "\\u0000",
460 |     "‌ = []",
461 |     "‍ = []",
462 |     "\"\\",
463 |     "\"\\u",
464 |     "try { } catch() {}",
465 |     "return",
466 |     "break",
467 |     "continue",
468 |     "switch (x) { default: continue; }",
469 |     "do { x } *",
470 |     "while (true) { break x; }",
471 |     "while (true) { continue x; }",
472 |     "x: while (true) { (function () { break x; }); }",
473 |     "x: while (true) { (function () { continue x; }); }",
474 |     "x: while (true) { (function () { break; }); }",
475 |     "x: while (true) { (function () { continue; }); }",
476 |     "x: while (true) { x: while (true) { } }",
477 |     "(function () { 'use strict'; delete i; }())",
478 |     "(function () { 'use strict'; with (i); }())",
479 |     "function hello() {'use strict'; ({ i: 42, i: 42 }) }",
480 |     "function hello() {'use strict'; ({ hasOwnProperty: 42, hasOwnProperty: 42 }) }",
481 |     "function hello() {'use strict'; var eval = 10; }",
482 |     "function hello() {'use strict'; var arguments = 10; }",
483 |     "function hello() {'use strict'; try { } catch (eval) { } }",
484 |     "function hello() {'use strict'; try { } catch (arguments) { } }",
485 |     "function hello() {'use strict'; eval = 10; }",
486 |     "function hello() {'use strict'; arguments = 10; }",
487 |     "function hello() {'use strict'; ++eval; }",
488 |     "function hello() {'use strict'; --eval; }",
489 |     "function hello() {'use strict'; ++arguments; }",
490 |     "function hello() {'use strict'; --arguments; }",
491 |     "function hello() {'use strict'; eval++; }",
492 |     "function hello() {'use strict'; eval--; }",
493 |     "function hello() {'use strict'; arguments++; }",
494 |     "function hello() {'use strict'; arguments--; }",
495 |     "function hello() {'use strict'; function eval() { } }",
496 |     "function hello() {'use strict'; function arguments() { } }",
497 |     "function eval() {'use strict'; }",
498 |     "function arguments() {'use strict'; }",
499 |     "function hello() {'use strict'; (function eval() { }()) }",
500 |     "function hello() {'use strict'; (function arguments() { }()) }",
501 |     "(function eval() {'use strict'; })()",
502 |     "(function arguments() {'use strict'; })()",
503 |     "function hello() {'use strict'; ({ s: function eval() { } }); }",
504 |     "(function package() {'use strict'; })()",
505 |     "function hello() {'use strict'; ({ i: 10, set s(eval) { } }); }",
506 |     "function hello() {'use strict'; ({ set s(eval) { } }); }",
507 |     "function hello() {'use strict'; ({ s: function s(eval) { } }); }",
508 |     "function hello(eval) {'use strict';}",
509 |     "function hello(arguments) {'use strict';}",
510 |     "function hello() { 'use strict'; function inner(eval) {} }",
511 |     "function hello() { 'use strict'; function inner(arguments) {} }",
512 |     " \"\\1\"; 'use strict';",
513 |     "function hello() { 'use strict'; \"\\1\"; }",
514 |     "function hello() { 'use strict'; 021; }",
515 |     "function hello() { 'use strict'; ({ \"\\1\": 42 }); }",
516 |     "function hello() { 'use strict'; ({ 021: 42 }); }",
517 |     "function hello() { \"octal directive\\1\"; \"use strict\"; }",
518 |     "function hello() { \"octal directive\\1\"; \"octal directive\\2\"; \"use strict\"; }",
519 |     "function hello() { \"use strict\"; function inner() { \"octal directive\\1\"; } }",
520 |     "function hello() { \"use strict\"; var implements; }",
521 |     "function hello() { \"use strict\"; var interface; }",
522 |     "function hello() { \"use strict\"; var package; }",
523 |     "function hello() { \"use strict\"; var private; }",
524 |     "function hello() { \"use strict\"; var protected; }",
525 |     "function hello() { \"use strict\"; var public; }",
526 |     "function hello() { \"use strict\"; var static; }",
527 |     "function hello() { \"use strict\"; var yield; }",
528 |     "function hello() { \"use strict\"; var let; }",
529 |     "function hello(static) { \"use strict\"; }",
530 |     "function static() { \"use strict\"; }",
531 |     "function eval(a) { \"use strict\"; }",
532 |     "function arguments(a) { \"use strict\"; }",
533 |     "var yield",
534 |     "var let",
535 |     "\"use strict\"; function static() { }",
536 |     "function a(t, t) { \"use strict\"; }",
537 |     "function a(eval) { \"use strict\"; }",
538 |     "function a(package) { \"use strict\"; }",
539 |     "function a() { \"use strict\"; function b(t, t) { }; }",
540 |     "(function a(t, t) { \"use strict\"; })",
541 |     "function a() { \"use strict\"; (function b(t, t) { }); }",
542 |     "(function a(eval) { \"use strict\"; })",
543 |     "(function a(package) { \"use strict\"; })",
544 |     "__proto__: __proto__: 42;",
545 |     "\"use strict\"; function t(__proto__, __proto__) { }",
546 |     "\"use strict\"; x = { __proto__: 42, __proto__: 43 }",
547 |     "\"use strict\"; x = { get __proto__() { }, __proto__: 43 }",
548 |     "var",
549 |     "let",
550 |     "const",
551 |     "{ ;  ;  ",
552 |     "function t() { ;  ;  ",
553 |     "parse()",
554 |     "parse(null)",
555 |     "parse(42)",
556 |     "parse(true)",
557 |     "parse(undefined)",
558 |     "parse(new String(\"test\"))",
559 |     "parse(new Number(42))",
560 |     "parse(new Boolean(true))",
561 |     "Syntax",
562 |     "return",
563 |     "(function () { 'use strict'; with (i); }())",
564 |     "(function () { 'use strict'; 021 }())",
565 |     "\"use strict\"; delete x",
566 |     "\"use strict\"; try {} catch (eval) {}",
567 |     "\"use strict\"; try {} catch (arguments) {}",
568 |     "\"use strict\"; var eval;",
569 |     "\"use strict\"; var arguments;",
570 |     "\"use strict\"; eval = 0;",
571 |     "\"use strict\"; eval++;",
572 |     "\"use strict\"; --eval;",
573 |     "\"use strict\"; arguments = 0;",
574 |     "\"use strict\"; arguments--;",
575 |     "\"use strict\"; ++arguments;",
576 |     "\"use strict\";x={y:1,y:1}",
577 |     "\"use strict\"; function eval() {};",
578 |     "\"use strict\"; function arguments() {};",
579 |     "\"use strict\"; function interface() {};",
580 |     "\"use strict\"; (function eval() {});",
581 |     "\"use strict\"; (function arguments() {});",
582 |     "\"use strict\"; (function interface() {});",
583 |     "\"use strict\"; function f(eval) {};",
584 |     "\"use strict\"; function f(arguments) {};",
585 |     "\"use strict\"; function f(foo,  foo) {};",
586 |     "\"use strict\"; (function f(eval) {});",
587 |     "\"use strict\"; (function f(arguments) {});",
588 |     "\"use strict\"; (function f(foo,  foo) {});",
589 |     "\"use strict\"; x = { set f(eval) {} }",
590 |     "function hello() { \"octal directive\\1\"; \"use strict\"; }",
591 |     "\"\\1\"; 'use strict';",
592 |     "\"use strict\"; var x = { 014: 3}",
593 |     "\"use strict\"; var x = { get i() {}, get i() {} }",
594 |     "\"use strict\"; var x = { i: 42, get i() {} }",
595 |     "\"use strict\"; var x = { set i(x) {}, i: 42 }"
596 |     
597 | ];
598 | 


--------------------------------------------------------------------------------
/test/jquery-1.8.2.min.js:
--------------------------------------------------------------------------------
1 | /*! jQuery v1.8.2 jquery.com | jquery.org/license */
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--------------------------------------------------------------------------------
/test/test.html:
--------------------------------------------------------------------------------
  1 | <!DOCTYPE html>
  2 | <html>
  3 | <head>
  4 | <meta charset="UTF-8" />
  5 | <title>javascript grammar tree visualizer</title>
  6 | <style>
  7 | .symbolName {
  8 |     display:block;
  9 | }
 10 | .childContainer {
 11 |     padding-left:30px;
 12 | }
 13 | </style>
 14 | <script src="../source/LexicalParser.js"></script>
 15 | <script src="../source/SyntacticalParser.js"></script>
 16 | <script src="../source/Parser.js"></script>
 17 | 
 18 | <script src="./cases.js"></script>
 19 | <script>
 20 | 
 21 | var special = {
 22 |     "Program":visualizeRoot,
 23 |     "SourceElements":visualizeList,
 24 |     "ElementList":visualizeList,
 25 |     "PropertyNameAndValueList":visualizeList,
 26 |     "ArgumentList":visualizeList,
 27 |     "StatementList":visualizeList,
 28 |     "VariableDeclarationListNoIn":visualizeList,
 29 |     "VariableDeclarationList":visualizeList,
 30 |     "FormalParameterList":visualizeList
 31 | }
 32 | 
 33 | function visualizeList(container,node) {
 34 |     var i = node.childNodes.length;    
 35 |     while(i--)visualize(container,node.childNodes[i]);            
 36 | }
 37 | function visualizeRoot(container,node) {
 38 |     var title = document.createElement("span");
 39 |     title.className = "symbolName";
 40 |     title.innerText = node.name + (node.token!=undefined && node.name!=node.token?":"+node.token:"")
 41 |     container.appendChild(title);
 42 |     var div = document.createElement("div");
 43 |     div.className = "childContainer";
 44 |     var i = node.childNodes.length;
 45 |     container.appendChild(div);
 46 |     while(i--)visualize(div,node.childNodes[i]);
 47 | }
 48 | 
 49 | function visualize(container,node) {
 50 |     if(special[node.name]) return special[node.name](container,node);
 51 | 
 52 |     if(node.childNodes.length == 1 && !node.token) 
 53 |         return visualize(container,node.childNodes[0]); 
 54 | 
 55 |     var title = document.createElement("span");
 56 |     title.className = "symbolName";
 57 |     title.innerText = node.name + (node.token!=undefined && node.name!=node.token?":"+node.token:"")
 58 |     container.appendChild(title);
 59 |     var div = document.createElement("div");
 60 |     div.className = "childContainer";
 61 |     var i = node.childNodes.length;
 62 |     container.appendChild(div);
 63 |     while(i--)visualize(div,node.childNodes[i]);
 64 | }
 65 | 
 66 | window.onload = function(){
 67 |     var i = 0;
 68 |     function add(){
 69 |         if(i >= cases.length)
 70 |             return;
 71 |         var tcase = cases[i++];
 72 |         var row = document.createElement("tr");
 73 |         var cell = document.createElement("td");
 74 |         cell.innerHTML = tcase;
 75 |         row.appendChild(cell);
 76 |         
 77 |         try {
 78 |             var parser = new Parser();
 79 |             var tree = parser.parse(tcase);
 80 |             var cell = document.createElement("td");
 81 | 
 82 |             visualize(cell,tree);
 83 |             row.appendChild(cell);
 84 |         } catch(e) {
 85 |             var cell = document.createElement("td");
 86 |             cell.innerHTML = "<span style=\"color:red;\">"+e+"</span>"
 87 |             row.appendChild(cell);
 88 |             document.querySelector("#rowcontainer").appendChild(row);
 89 |         }
 90 | 
 91 |         setTimeout(add,10);
 92 |     }
 93 |     add();
 94 | }
 95 | </script>
 96 | </head>
 97 | <body>
 98 | <textarea id="code" style="width:100%;height:50px;"></textarea>
 99 | <button >next</button>
100 | <table>
101 | <table border="1" cellspacing="0" cellpadding="0" style="BORDER-COLLAPSE: collapse">
102 |     <tbody id="rowcontainer">
103 |         <tr><th>case</th><th>result</th></tr>
104 |     </tbody>
105 | </table>
106 |     
107 | </body>
108 | </html>


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