/* 70: */
/* 71: */ public static final Instruction readInstruction(ByteSequence bytes)
/* 72: */ throws IOException
/* 73: */ {
/* 74:167 */ boolean wide = false;
/* 75:168 */ short opcode = (short) bytes.readUnsignedByte();
/* 76:169 */ Instruction obj = null;
/* 77:171 */ if (opcode == 196)
/* 78: */ {
/* 79:172 */ wide = true;
/* 80:173 */ opcode = (short) bytes.readUnsignedByte();
/* 81: */ }
/* 82:176 */ if (InstructionConstants.INSTRUCTIONS[opcode] != null) {
/* 83:177 */ return InstructionConstants.INSTRUCTIONS[opcode];
/* 84: */ }
/* 85: */ Class clazz;
/* 86: */ try
/* 87: */ {
/* 88:184 */ clazz = Class.forName(className(opcode));
/* 89: */ }
/* 90: */ catch (ClassNotFoundException cnfe)
/* 91: */ {
/* 92:189 */ throw new ClassGenException("Illegal opcode detected.");
/* 93: */ }
/* 94: */ try
/* 95: */ {
/* 96:192 */ obj = (Instruction) clazz.newInstance();
/* 97:194 */ if ((wide)
&& (!(obj instanceof LocalVariableInstruction))
&& (!(obj instanceof IINC))
&& (!(obj instanceof RET))) {
/* 98:196 */ throw new Exception("Illegal opcode after wide: " + opcode);
/* 99: */ }
/* 100:198 */ obj.setOpcode(opcode);
/* 101:199 */ obj.initFromFile(bytes, wide);
/* 102: */ }
/* 103: */ catch (Exception e)
/* 104: */ {
/* 105:201 */ throw new ClassGenException(e.toString());
/* 106: */ }
/* 107:203 */ return obj;
/* 108: */ }
/** Read needed data (i.e., no. dimension) from file. */
protected void initFromFile(ByteSequence bytes, boolean wide) throws IOException {
super.initFromFile(bytes, wide);
dimensions = bytes.readByte();
length = 4;
}
