root/utils/abcasm/src/abcasm/Instruction.java

DEFINITIONS

1. toString

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package abcasm;


class Instruction
{
        /**
         * @see AbcConstants
         */
        int opcode;
        
        /**
         *  Immediate operands as specified by the program,
         *  symbolic references may still be present.
         */
        Object[] operands;

        /**
         *  Cooked immediate operands, symbolic references resolved.
         */
        int [] imm;
        
        /**
         *  Name reference for instructions that operate on a named entity.
         */
        Name n;
        
        /**
         *  Control-flow target for branch/jump instructions.
         */
        Label target;
        
        Instruction(int opcode, Object[] operands)
        {
                this.opcode = opcode;
                this.operands = operands;
        }
        
        Instruction(int opcode, Object v)
        {
                this(opcode, new Object[]{v});
        }
        
        public String toString()
        {
                StringBuffer result = new StringBuffer(MethodBodyInfo.decodeOp(opcode));
                
                if ( n != null )
                {
                        result.append(" ");
                        result.append(n);
                }
                
                if ( target != null )
                {
                        result.append(" ");
                        result.append(target);
                }
                
                for ( Object x: operands)
                {
                        result.append(" ");
                        result.append(x);
                }
                
                return result.toString();
        }
}