git.roojs.org Git - app.Builder.js/blob - src/JsRender/Lang.vala

   1 //<script type="text/javscript">
   2
   3 /**
   4         @namespace
   5 */
   6 // test
   7 // valac gitlive/app.Builder.js/JsRender/Lang.vala --pkg gee-1.0 -o /tmp/Lang ;/tmp/Lang
   8
   9 /*
  10 void main () {
  11      new JsRender.Lang_Class();
  12     print(JsRender.Lang.keyword("delete") + "\n");
  13 }
  14 */
  15
  16
  17 namespace JsRender {
  18     public Lang_Class Lang = null;
  19
  20     public class Lang_Class : Object {
  21
  22         GLib.List<string> coreObjects;
  23         Gee.HashMap<string,string> whitespaceNames;
  24         Gee.HashMap<string,string> newlineNames;
  25         Gee.HashMap<string,string> keywordNames;
  26         Gee.HashMap<string,string> puncNames;
  27         Gee.HashMap<string,string> matchingNames;
  28         public Gee.ArrayList<string> match_strings;
  29
  30         public Lang_Class ()
  31         {
  32             if (Lang != null) {
  33                 //print("lang not null\n");
  34                 return;
  35             }
  36             //print("init\n");
  37             this.init();
  38             //print("init Lang");
  39             Lang = this;
  40
  41         }
  42
  43
  44         public bool isBuiltin(string  name) {
  45             return (this.coreObjects.index(name) > -1);
  46         }
  47
  48         public string whitespace (string ch) {
  49             return this.whitespaceNames.get(ch);
  50         }
  51         public string  newline (string ch) {
  52             return this.newlineNames.get(ch);
  53         }
  54         public string keyword(string word) {
  55             return this.keywordNames.get("="+word);
  56         }
  57
  58         public string matching(string name) {
  59             return this.matchingNames.get(name);
  60         }
  61
  62         public bool isKeyword(string word) {
  63             return this.keywordNames.get("=" + word) != null;
  64
  65         }
  66         public string punc (string ch) {
  67             return this.puncNames[ch];
  68         }
  69
  70         public bool isNumber (string str) {
  71             return Regex.match_simple("^(\\.[0-9]|[0-9]+\\.|[0-9])[0-9]*([eE][+-][0-9]+)?$",str);
  72         }
  73
  74         public bool  isHexDec (string str) {
  75             return Regex.match_simple("^0x[0-9A-F]+$",str);
  76         }
  77
  78         public bool isWordChar (string str) {
  79             return Regex.match_simple("^[a-zA-Z0-9$_.]+$", str);
  80         }
  81
  82         public bool isSpace (string str) {
  83             return this.whitespaceNames.get(str) != null;
  84         }
  85
  86         public bool isNewline (string str) {
  87             return this.newlineNames.get(str) != null;
  88         }
  89             public bool isBoolean (string str) {
  90                         var ss = str.down();
  91             return ss == "false" || ss == "true";
  92         }
  93
  94
  95
  96
  97         void init() {
  98
  99             this.coreObjects = new GLib.List<string>();
 100
 101             this.whitespaceNames = new Gee.HashMap<string,string>();
 102             this.newlineNames = new Gee.HashMap<string,string>();
 103             this.keywordNames = new Gee.HashMap<string,string>();
 104             this.puncNames = new Gee.HashMap<string,string>();
 105             this.matchingNames = new Gee.HashMap<string,string>();
 106             this.match_strings = new Gee.ArrayList<string>();
 107
 108
 109             string[] co = { "_global_", "Array", "Boolean", "Date", "Error",
 110                 "Function", "Math", "Number", "Object", "RegExp", "String" };
 111             for(var i =0; i< co.length;i++ ) {
 112                 this.coreObjects.append(co[i]);
 113                 this.match_strings.add(co[i]);
 114             }
 115             string[] ws =  {
 116                 " :SPACE",
 117                 "\f:FORMFEED",
 118                 "\t:TAB" //,
 119               //  "\u0009:UNICODE_TAB",
 120               //  "\u000A:UNICODE_NBR",
 121               //  "\u0008:VERTICAL_TAB"
 122             };
 123             for(var i =0; i< ws.length;i++ ) {
 124                 var x = ws[i].split(":");
 125                 this.whitespaceNames.set(x[0],x[1]);
 126             }
 127
 128             ws = {
 129                 "\n:NEWLINE",
 130                 "\r:RETURN" //,
 131     //            "\u000A:UNICODE_LF",
 132       //          "\u000D:UNICODE_CR",
 133         //        "\u2029:UNICODE_PS",
 134           //      "\u2028:UNICODE_LS"
 135             };
 136             for(var i =0; i< ws.length;i++ ) {
 137                 var x = ws[i].split(":");
 138                 this.newlineNames.set(x[0],x[1]);
 139             }
 140             ws = {
 141                 "=break:BREAK",
 142                 "=case:CASE",
 143                 "=catch:CATCH",
 144                 "=const:VAR",
 145                 "=continue:CONTINUE",
 146                 "=default:DEFAULT",
 147                 "=delete:DELETE",
 148                 "=do:DO",
 149                 "=else:ELSE",
 150                 "=false:FALSE",
 151                 "=finally:FINALLY",
 152                 "=for:FOR",
 153                 "=function:FUNCTION",
 154                 "=if:IF",
 155                 "=in:IN",
 156                 "=instanceof:INSTANCEOF",
 157                 "=new:NEW",
 158                 "=null:NULL",
 159                 "=return:RETURN",
 160                 "=switch:SWITCH",
 161                 "=this:THIS",
 162                 "=throw:THROW",
 163                 "=true:TRUE",
 164                 "=try:TRY",
 165                 "=typeof:TYPEOF",
 166                 "=void:VOID",
 167                 "=while:WHILE",
 168                 "=with:WITH",
 169                 "=var:VAR"
 170              };
 171             for(var i =0; i< ws.length;i++ ) {
 172                 var x = ws[i].split(":");
 173                 this.keywordNames.set(x[0],x[1]);
 174                 this.match_strings.add(x[0].substring(1));
 175             }
 176
 177
 178             ws={
 179                 "; SEMICOLON",
 180                 ", COMMA",
 181                 "? HOOK",
 182                 ": COLON",
 183                 "|| OR",
 184                 "&& AND",
 185                 "| BITWISE_OR",
 186                 "^ BITWISE_XOR",
 187                 "& BITWISE_AND",
 188                 "=== STRICT_EQ",
 189                 "== EQ",
 190                 "= ASSIGN",
 191                 "!== STRICT_NE",
 192                 "!= NE",
 193                 "<< LSH",
 194                 "<= LE",
 195                 "< LT",
 196                 ">>> URSH",
 197                 ">> RSH",
 198                 ">= GE",
 199                 "> GT",
 200                 "++ INCREMENT",
 201                 "-- DECREMENT",
 202                 "+ PLUS",
 203                 "- MINUS",
 204                 "* MUL",
 205                 "/ DIV",
 206                 "% MOD",
 207                 "! NOT",
 208                 "~ BITWISE_NOT",
 209                 ". DOT",
 210                 "[ LEFT_BRACE",
 211                 "] RIGHT_BRACE",
 212                 "{ LEFT_CURLY",
 213                 "} RIGHT_CURLY",
 214                 "( LEFT_PAREN",
 215                 ") RIGHT_PAREN"
 216             };
 217             for(var i =0; i< ws.length;i++ ) {
 218                 var x = ws[i].split(" ");
 219                 this.puncNames.set(x[0],x[1]);
 220             }
 221
 222            ws = {
 223                "LEFT_PAREN:RIGHT_PAREN",
 224                "RIGHT_PAREN:LEFT_PAREN",
 225                "LEFT_CURLY:RIGHT_CURLY",
 226                "RIGHT_CURLY:LEFT_CURLY",
 227                "LEFT_BRACE:RIGHT_BRACE",
 228                "RIGHT_BRACE:LEFT_BRACE"
 229            };
 230            for(var i =0; i< ws.length;i++ ) {
 231                var x = ws[i].split(":");
 232                this.matchingNames.set(x[0],x[1]);
 233            }
 234
 235
 236
 237
 238         }
 239
 240
 241     }
 242 }