git.roojs.org Git - app.Builder.js/blob - old-javascript/Palete/Javascript.vala

   1
   2
   3
   4 namespace Palete {
   5
   6         Javascript instance = null;
   7
   8         public class Javascript {
   9
  10
  11                 public static JSCore.Object class_constructor(
  12                                 JSCore.Context ctx,
  13                                 JSCore.Object constructor,
  14                                 JSCore.Value[] arguments,
  15                               out JSCore.Value exception)
  16                 {
  17                         var c = new JSCore.Class (class_definition);
  18                         var o = new JSCore.Object (ctx, c, null);
  19                         exception = null;
  20                         return o;
  21                 }
  22                 static const JSCore.StaticFunction[] class_functions = {
  23                          { null, null, 0 }
  24                 };
  25                 static const JSCore.ClassDefinition class_definition = {
  26                     0,
  27                     JSCore.ClassAttribute.None,
  28                     "App",
  29                     null,
  30
  31                     null,
  32                     class_functions,
  33
  34                     null,
  35                     null,
  36
  37                     null,
  38                     null,
  39                     null,
  40                     null,
  41
  42                     null,
  43                     null,
  44                     class_constructor,
  45                     null,
  46                     null
  47                 };
  48
  49
  50                 public JSCore.GlobalContext js_global_context =  null;
  51
  52                 public static Javascript singleton()
  53                 {
  54                         if (instance == null) {
  55                                 instance = new Javascript();
  56                         }
  57                         return instance;
  58                 }
  59                 public Javascript()
  60                 {
  61                         var goc = new JSCore.Class(  class_definition );
  62                         this.js_global_context = new JSCore.GlobalContext(goc);
  63
  64
  65                 }
  66                 public int validate(string code, out string res)
  67                 {
  68                         JSCore.Value ex;
  69                         unowned   JSCore.GlobalContext ctx = this.js_global_context;
  70                         var ret = this.js_global_context.check_script_syntax(
  71                                    new JSCore.String.with_utf8_c_string(code),
  72                                    null,
  73                                    0,
  74                                    out ex
  75                         );
  76                         res = "";
  77                         if (ex.is_null(ctx)) {
  78                                 return -1;
  79                         }
  80
  81
  82                         var exo = ex.to_object(ctx, null);
  83                         unowned JSCore.PropertyNameArray property_names = exo.copy_property_names (ctx);
  84
  85
  86
  87
  88                         var js_string = new JSCore.String.with_utf8_c_string("line");
  89                         var line = exo.get_property(ctx, js_string, null).to_number(ctx,null);
  90
  91
  92
  93                         // see if we can convert exception string
  94                         char *c_string = new char[1024];
  95                         var err_string = ex.to_string_copy (ctx, null);
  96                         err_string.get_utf8_c_string (c_string, 1023);
  97                         res = (string)c_string;
  98                         //print ("Error on line %d\n%s\n", (int)line, res);
  99
 100                         var rline = (int) line;
 101
 102                         return rline > 0 ? rline -1 : 0;
 103
 104
 105                 }
 106
 107
 108         }
 109
 110
 111
 112
 113 }
 114