Class.getSimpleName() works reflection
authorJaroslav Tulach <jaroslav.tulach@apidesign.org>
Sat, 01 Dec 2012 12:35:30 +0100
branchreflection
changeset 229fb4c53e0097f
parent 228 c40f70283620
child 230 b22dbc9329ec
Class.getSimpleName() works
emul/src/main/java/java/lang/Class.java
emul/src/main/resources/org/apidesign/vm4brwsr/emul/java_lang_String.js
     1.1 --- a/emul/src/main/java/java/lang/Class.java	Sat Dec 01 12:15:12 2012 +0100
     1.2 +++ b/emul/src/main/java/java/lang/Class.java	Sat Dec 01 12:35:30 2012 +0100
     1.3 @@ -447,40 +447,57 @@
     1.4       * @since 1.5
     1.5       */
     1.6      public String getSimpleName() {
     1.7 -        throw new UnsupportedOperationException();
     1.8 -////        if (isArray())
     1.9 -////            return getComponentType().getSimpleName()+"[]";
    1.10 -////
    1.11 -////        String simpleName = getSimpleBinaryName();
    1.12 -////        if (simpleName == null) { // top level class
    1.13 -////            simpleName = getName();
    1.14 -////            return simpleName.substring(simpleName.lastIndexOf(".")+1); // strip the package name
    1.15 -////        }
    1.16 -////        // According to JLS3 "Binary Compatibility" (13.1) the binary
    1.17 -////        // name of non-package classes (not top level) is the binary
    1.18 -////        // name of the immediately enclosing class followed by a '$' followed by:
    1.19 -////        // (for nested and inner classes): the simple name.
    1.20 -////        // (for local classes): 1 or more digits followed by the simple name.
    1.21 -////        // (for anonymous classes): 1 or more digits.
    1.22 -////
    1.23 -////        // Since getSimpleBinaryName() will strip the binary name of
    1.24 -////        // the immediatly enclosing class, we are now looking at a
    1.25 -////        // string that matches the regular expression "\$[0-9]*"
    1.26 -////        // followed by a simple name (considering the simple of an
    1.27 -////        // anonymous class to be the empty string).
    1.28 -////
    1.29 -////        // Remove leading "\$[0-9]*" from the name
    1.30 -////        int length = simpleName.length();
    1.31 -////        if (length < 1 || simpleName.charAt(0) != '$')
    1.32 -////            throw new InternalError("Malformed class name");
    1.33 -////        int index = 1;
    1.34 -////        while (index < length && isAsciiDigit(simpleName.charAt(index)))
    1.35 -////            index++;
    1.36 -////        // Eventually, this is the empty string iff this is an anonymous class
    1.37 -////        return simpleName.substring(index);
    1.38 +        if (isArray())
    1.39 +            return getComponentType().getSimpleName()+"[]";
    1.40 +
    1.41 +        String simpleName = getSimpleBinaryName();
    1.42 +        if (simpleName == null) { // top level class
    1.43 +            simpleName = getName();
    1.44 +            return simpleName.substring(simpleName.lastIndexOf(".")+1); // strip the package name
    1.45 +        }
    1.46 +        // According to JLS3 "Binary Compatibility" (13.1) the binary
    1.47 +        // name of non-package classes (not top level) is the binary
    1.48 +        // name of the immediately enclosing class followed by a '$' followed by:
    1.49 +        // (for nested and inner classes): the simple name.
    1.50 +        // (for local classes): 1 or more digits followed by the simple name.
    1.51 +        // (for anonymous classes): 1 or more digits.
    1.52 +
    1.53 +        // Since getSimpleBinaryName() will strip the binary name of
    1.54 +        // the immediatly enclosing class, we are now looking at a
    1.55 +        // string that matches the regular expression "\$[0-9]*"
    1.56 +        // followed by a simple name (considering the simple of an
    1.57 +        // anonymous class to be the empty string).
    1.58 +
    1.59 +        // Remove leading "\$[0-9]*" from the name
    1.60 +        int length = simpleName.length();
    1.61 +        if (length < 1 || simpleName.charAt(0) != '$')
    1.62 +            throw new IllegalStateException("Malformed class name");
    1.63 +        int index = 1;
    1.64 +        while (index < length && isAsciiDigit(simpleName.charAt(index)))
    1.65 +            index++;
    1.66 +        // Eventually, this is the empty string iff this is an anonymous class
    1.67 +        return simpleName.substring(index);
    1.68      }
    1.69  
    1.70      /**
    1.71 +     * Returns the "simple binary name" of the underlying class, i.e.,
    1.72 +     * the binary name without the leading enclosing class name.
    1.73 +     * Returns {@code null} if the underlying class is a top level
    1.74 +     * class.
    1.75 +     */
    1.76 +    private String getSimpleBinaryName() {
    1.77 +        Class<?> enclosingClass = null; // XXX getEnclosingClass();
    1.78 +        if (enclosingClass == null) // top level class
    1.79 +            return null;
    1.80 +        // Otherwise, strip the enclosing class' name
    1.81 +        try {
    1.82 +            return getName().substring(enclosingClass.getName().length());
    1.83 +        } catch (IndexOutOfBoundsException ex) {
    1.84 +            throw new IllegalStateException("Malformed class name");
    1.85 +        }
    1.86 +    }
    1.87 +    
    1.88 +    /**
    1.89       * Character.isDigit answers {@code true} to some non-ascii
    1.90       * digits.  This one does not.
    1.91       */
     2.1 --- a/emul/src/main/resources/org/apidesign/vm4brwsr/emul/java_lang_String.js	Sat Dec 01 12:15:12 2012 +0100
     2.2 +++ b/emul/src/main/resources/org/apidesign/vm4brwsr/emul/java_lang_String.js	Sat Dec 01 12:35:30 2012 +0100
     2.3 @@ -71,6 +71,22 @@
     2.4      return arg0.toString().indexOf(ch, from);
     2.5  }
     2.6  
     2.7 +function java_lang_String_lastIndexOfII(arg0,ch) {
     2.8 +    if (typeof ch === 'number') ch = String.fromCharCode(ch);
     2.9 +    return arg0.toString().lastIndexOf(ch);
    2.10 +}
    2.11 +function java_lang_String_lastIndexOfIII(arg0,ch,from) {
    2.12 +    if (typeof ch === 'number') ch = String.fromCharCode(ch);
    2.13 +    return arg0.toString().lastIndexOf(ch, from);
    2.14 +}
    2.15 +function java_lang_String_lastIndexOfILjava_lang_String(arg0,s) {
    2.16 +    return arg0.toString().lastIndexOf(s.toString());
    2.17 +}
    2.18 +function java_lang_String_lastIndexOfILjava_lang_StringI(arg0,s,from) {
    2.19 +    return arg0.toString().lastIndexOf(s.toString(), from);
    2.20 +}
    2.21 +
    2.22 +
    2.23  function java_lang_String_getCharsVACI(self, arr, to) {
    2.24      var s = self.toString();
    2.25      for (var i = 0; i < s.length; i++) {
    2.26 @@ -434,6 +450,10 @@
    2.27  String.prototype.endsWithZLjava_lang_String=java_lang_String_endsWithZLjava_lang_String;
    2.28  String.prototype.indexOfII=java_lang_String_indexOfII;
    2.29  String.prototype.indexOfIII=java_lang_String_indexOfIII;
    2.30 +String.prototype.lastIndexOfII=java_lang_String_lastIndexOfII;
    2.31 +String.prototype.lastIndexOfIII=java_lang_String_lastIndexOfIII;
    2.32 +String.prototype.lastIndexOfILjava_lang_String=java_lang_String_lastIndexOfILjava_lang_String;
    2.33 +String.prototype.lastIndexOfILjava_lang_StringI=java_lang_String_lastIndexOfILjava_lang_StringI;
    2.34  
    2.35  String.prototype.$instOf_java_lang_String = true;
    2.36  String.prototype.$instOf_java_io_Serializable = true;
    2.37 @@ -1893,121 +1913,6 @@
    2.38      case 14: return stack.pop(); // 172
    2.39    }
    2.40  }
    2.41 -function java_lang_String_lastIndexOfII(arg0,arg1) {
    2.42 -  var arg2;
    2.43 -;
    2.44 -  var stack = new Array(4);
    2.45 -  var gt = 0;
    2.46 -  for(;;) switch(gt) {
    2.47 -    case 0: stack.push(arg0); // 42
    2.48 -    case 1: stack.push(arg1); // 27
    2.49 -    case 2: stack.push(arg0); // 42
    2.50 -    case 3: stack.push(stack.pop().count); // 180 1 97
    2.51 -    case 6: stack.push(1); // 4
    2.52 -    case 7: { var tmp = stack.pop(); stack.push(stack.pop() - tmp); } // 100
    2.53 -    case 8: { var v1 = stack.pop(); var v0 = stack.pop(); var self = stack.pop(); stack.push(self.lastIndexOfIII(self, v0, v1)); } // 182 1 136
    2.54 -    case 11: return stack.pop(); // 172
    2.55 -  }
    2.56 -}
    2.57 -function java_lang_String_lastIndexOfIII(arg0,arg1,arg2) {
    2.58 -  var arg3;
    2.59 -  var arg4;
    2.60 -  var arg5;
    2.61 -  var arg6;
    2.62 -  var arg7;
    2.63 -  var arg8;
    2.64 -;
    2.65 -  var stack = new Array(3);
    2.66 -  var gt = 0;
    2.67 -  for(;;) switch(gt) {
    2.68 -    case 0: stack.push(arg0); // 42
    2.69 -    case 1: stack.push(stack.pop().offset); // 180 1 99
    2.70 -    case 4: arg3 = stack.pop(); // 62
    2.71 -    case 5: stack.push(arg0); // 42
    2.72 -    case 6: stack.push(stack.pop().value); // 180 1 100
    2.73 -    case 9: arg4 = stack.pop() // 58 4
    2.74 -    case 11: stack.push(arg0); // 42
    2.75 -    case 12: stack.push(stack.pop().offset); // 180 1 99
    2.76 -    case 15: stack.push(arg2); // 28
    2.77 -    case 16: stack.push(arg0); // 42
    2.78 -    case 17: stack.push(stack.pop().count); // 180 1 97
    2.79 -    case 20: if (stack.pop() > stack.pop()) { gt = 32; continue; } // 161 0 12
    2.80 -    case 23: stack.push(arg0); // 42
    2.81 -    case 24: stack.push(stack.pop().count); // 180 1 97
    2.82 -    case 27: stack.push(1); // 4
    2.83 -    case 28: { var tmp = stack.pop(); stack.push(stack.pop() - tmp); } // 100
    2.84 -    case 29: gt = 33; continue; // 167 0 4
    2.85 -    case 32: stack.push(arg2); // 28
    2.86 -    case 33: stack.push(stack.pop() + stack.pop()); // 96
    2.87 -    case 34: arg5 = stack.pop() // 54 5
    2.88 -    case 36: stack.push(arg1); // 27
    2.89 -    case 37: stack.push(65536); // 18 3
    2.90 -    case 39: if (stack.pop() <= stack.pop()) { gt = 73; continue; } // 162 0 34
    2.91 -    case 42: stack.push(arg5); // 21 5
    2.92 -    case 44: stack.push(arg3); // 29
    2.93 -    case 45: if (stack.pop() > stack.pop()) { gt = 71; continue; } // 161 0 26
    2.94 -    case 48: stack.push(arg4); // 25 4
    2.95 -    case 50: stack.push(arg5); // 21 5
    2.96 -    case 52: { var indx = stack.pop(); stack.push(stack.pop()[indx]); } // 52
    2.97 -    case 53: stack.push(arg1); // 27
    2.98 -    case 54: if (stack.pop() != stack.pop()) { gt = 65; continue; } // 160 0 11
    2.99 -    case 57: stack.push(arg5); // 21 5
   2.100 -    case 59: stack.push(arg0); // 42
   2.101 -    case 60: stack.push(stack.pop().offset); // 180 1 99
   2.102 -    case 63: { var tmp = stack.pop(); stack.push(stack.pop() - tmp); } // 100
   2.103 -    case 64: return stack.pop(); // 172
   2.104 -    case 65: arg5 += 255; // 132 5 255
   2.105 -    case 68: gt = 42; continue; // 167 255 230
   2.106 -    case 71:  // 2
   2.107 -    case 72: return stack.pop(); // 172
   2.108 -    case 73: stack.push(arg0); // 42
   2.109 -    case 74: stack.push(stack.pop().offset); // 180 1 99
   2.110 -    case 77: stack.push(arg0); // 42
   2.111 -    case 78: stack.push(stack.pop().count); // 180 1 97
   2.112 -    case 81: stack.push(stack.pop() + stack.pop()); // 96
   2.113 -    case 82: arg6 = stack.pop() // 54 6
   2.114 -    case 84: stack.push(arg1); // 27
   2.115 -    case 85: stack.push(1114111); // 18 4
   2.116 -    case 87: if (stack.pop() < stack.pop()) { gt = 154; continue; } // 163 0 67
   2.117 -    case 90: stack.push(arg1); // 27
   2.118 -    case 91: { var v0 = stack.pop(); stack.push(java_lang_Character_toCharsACI(v0)); } // 184 1 109
   2.119 -    case 94: arg7 = stack.pop() // 58 7
   2.120 -    case 96: stack.push(arg5); // 21 5
   2.121 -    case 98: stack.push(arg3); // 29
   2.122 -    case 99: if (stack.pop() > stack.pop()) { gt = 154; continue; } // 161 0 55
   2.123 -    case 102: stack.push(arg4); // 25 4
   2.124 -    case 104: stack.push(arg5); // 21 5
   2.125 -    case 106: { var indx = stack.pop(); stack.push(stack.pop()[indx]); } // 52
   2.126 -    case 107: stack.push(arg7); // 25 7
   2.127 -    case 109: stack.push(0); // 3
   2.128 -    case 110: { var indx = stack.pop(); stack.push(stack.pop()[indx]); } // 52
   2.129 -    case 111: if (stack.pop() != stack.pop()) { gt = 148; continue; } // 160 0 37
   2.130 -    case 114: stack.push(arg5); // 21 5
   2.131 -    case 116: stack.push(1); // 4
   2.132 -    case 117: stack.push(stack.pop() + stack.pop()); // 96
   2.133 -    case 118: stack.push(arg6); // 21 6
   2.134 -    case 120: if (stack.pop() != stack.pop()) { gt = 126; continue; } // 160 0 6
   2.135 -    case 123: gt = 154; continue; // 167 0 31
   2.136 -    case 126: stack.push(arg4); // 25 4
   2.137 -    case 128: stack.push(arg5); // 21 5
   2.138 -    case 130: stack.push(1); // 4
   2.139 -    case 131: stack.push(stack.pop() + stack.pop()); // 96
   2.140 -    case 132: { var indx = stack.pop(); stack.push(stack.pop()[indx]); } // 52
   2.141 -    case 133: stack.push(arg7); // 25 7
   2.142 -    case 135: stack.push(1); // 4
   2.143 -    case 136: { var indx = stack.pop(); stack.push(stack.pop()[indx]); } // 52
   2.144 -    case 137: if (stack.pop() != stack.pop()) { gt = 148; continue; } // 160 0 11
   2.145 -    case 140: stack.push(arg5); // 21 5
   2.146 -    case 142: stack.push(arg0); // 42
   2.147 -    case 143: stack.push(stack.pop().offset); // 180 1 99
   2.148 -    case 146: { var tmp = stack.pop(); stack.push(stack.pop() - tmp); } // 100
   2.149 -    case 147: return stack.pop(); // 172
   2.150 -    case 148: arg5 += 255; // 132 5 255
   2.151 -    case 151: gt = 96; continue; // 167 255 201
   2.152 -    case 154:  // 2
   2.153 -    case 155: return stack.pop(); // 172
   2.154 -  }
   2.155 -}
   2.156  function java_lang_String_indexOfILjava_lang_String(arg0,arg1) {
   2.157    var arg2;
   2.158  ;
   2.159 @@ -2146,43 +2051,6 @@
   2.160      case 165: return stack.pop(); // 172
   2.161    }
   2.162  }
   2.163 -function java_lang_String_lastIndexOfILjava_lang_String(arg0,arg1) {
   2.164 -  var arg2;
   2.165 -;
   2.166 -  var stack = new Array(3);
   2.167 -  var gt = 0;
   2.168 -  for(;;) switch(gt) {
   2.169 -    case 0: stack.push(arg0); // 42
   2.170 -    case 1: stack.push(arg1); // 43
   2.171 -    case 2: stack.push(arg0); // 42
   2.172 -    case 3: stack.push(stack.pop().count); // 180 1 97
   2.173 -    case 6: { var v1 = stack.pop(); var v0 = stack.pop(); var self = stack.pop(); stack.push(self.lastIndexOfILjava_lang_StringI(self, v0, v1)); } // 182 1 151
   2.174 -    case 9: return stack.pop(); // 172
   2.175 -  }
   2.176 -}
   2.177 -function java_lang_String_lastIndexOfILjava_lang_StringI(arg0,arg1,arg2) {
   2.178 -  var arg3;
   2.179 -;
   2.180 -  var stack = new Array(7);
   2.181 -  var gt = 0;
   2.182 -  for(;;) switch(gt) {
   2.183 -    case 0: stack.push(arg0); // 42
   2.184 -    case 1: stack.push(stack.pop().value); // 180 1 100
   2.185 -    case 4: stack.push(arg0); // 42
   2.186 -    case 5: stack.push(stack.pop().offset); // 180 1 99
   2.187 -    case 8: stack.push(arg0); // 42
   2.188 -    case 9: stack.push(stack.pop().count); // 180 1 97
   2.189 -    case 12: stack.push(arg1); // 43
   2.190 -    case 13: stack.push(stack.pop().value); // 180 1 100
   2.191 -    case 16: stack.push(arg1); // 43
   2.192 -    case 17: stack.push(stack.pop().offset); // 180 1 99
   2.193 -    case 20: stack.push(arg1); // 43
   2.194 -    case 21: stack.push(stack.pop().count); // 180 1 97
   2.195 -    case 24: stack.push(arg2); // 28
   2.196 -    case 25: { var v6 = stack.pop(); var v5 = stack.pop(); var v4 = stack.pop(); var v3 = stack.pop(); var v2 = stack.pop(); var v1 = stack.pop(); var v0 = stack.pop(); stack.push(java_lang_String_lastIndexOfAIACAIAIACAIAIAI(v0, v1, v2, v3, v4, v5, v6)); } // 184 1 145
   2.197 -    case 28: return stack.pop(); // 172
   2.198 -  }
   2.199 -}
   2.200  function java_lang_String_lastIndexOfIACIIACIII(arg0,arg1,arg2,arg3,arg4,arg5,arg6) {
   2.201    var arg7;
   2.202    var arg8;