Examples with ConstantFieldInfo com.jopdesign.common.type.ConstantFieldInfo used on opensource projects

Example 1 with ConstantFieldInfo

use of com.jopdesign.common.type.ConstantFieldInfo in project jop by jop-devel.

the class ValueMapAnalysis method transfer.

public void transfer(Instruction instruction) {
    switch(instruction.getOpcode()) {
        case Constants.NOP:
            break;
        case Constants.ACONST_NULL:
            values.push(new ValueInfo(Type.NULL));
            break;
        case Constants.ICONST_M1:
        case Constants.ICONST_0:
        case Constants.ICONST_1:
        case Constants.ICONST_2:
        case Constants.ICONST_3:
        case Constants.ICONST_4:
        case Constants.ICONST_5:
        case Constants.BIPUSH:
        case Constants.SIPUSH:
            {
                ConstantPushInstruction instr = (ConstantPushInstruction) instruction;
                int value = instr.getValue().intValue();
                values.push(new ValueInfo(instr.getType(cpg), new ConstantIntegerInfo(value)));
                break;
            }
        case Constants.LCONST_0:
        case Constants.LCONST_1:
            {
                ConstantPushInstruction instr = (ConstantPushInstruction) instruction;
                long value = instr.getValue().longValue();
                values.push(new ValueInfo(instr.getType(cpg), new ConstantLongInfo(value)));
                break;
            }
        case Constants.FCONST_0:
        case Constants.FCONST_1:
        case Constants.FCONST_2:
            {
                ConstantPushInstruction instr = (ConstantPushInstruction) instruction;
                float value = instr.getValue().floatValue();
                values.push(new ValueInfo(instr.getType(cpg), new ConstantFloatInfo(value)));
                break;
            }
        case Constants.DCONST_0:
        case Constants.DCONST_1:
            {
                ConstantPushInstruction instr = (ConstantPushInstruction) instruction;
                double value = instr.getValue().doubleValue();
                values.push(new ValueInfo(instr.getType(cpg), new ConstantDoubleInfo(value)));
                break;
            }
        case Constants.LDC:
        case Constants.LDC_W:
        case Constants.LDC2_W:
            {
                CPInstruction instr = (CPInstruction) instruction;
                values.push(new ValueInfo(methodInfo.getClassInfo().getConstantInfo(instr.getIndex())));
                break;
            }
        case Constants.ISTORE_0:
        case Constants.ISTORE_1:
        case Constants.ISTORE_2:
        case Constants.ISTORE_3:
        case Constants.ISTORE:
        case Constants.ASTORE_0:
        case Constants.ASTORE_1:
        case Constants.ASTORE_2:
        case Constants.ASTORE_3:
        case Constants.ASTORE:
        case Constants.LSTORE_0:
        case Constants.LSTORE_1:
        case Constants.LSTORE_2:
        case Constants.LSTORE_3:
        case Constants.LSTORE:
        case Constants.DSTORE_0:
        case Constants.DSTORE_1:
        case Constants.DSTORE_2:
        case Constants.DSTORE_3:
        case Constants.DSTORE:
        case Constants.FSTORE_0:
        case Constants.FSTORE_1:
        case Constants.FSTORE_2:
        case Constants.FSTORE_3:
        case Constants.FSTORE:
            {
                StoreInstruction instr = (StoreInstruction) instruction;
                int index = instr.getIndex();
                values.setLocalValue(index, values.popValue());
                break;
            }
        case Constants.ILOAD_0:
        case Constants.ILOAD_1:
        case Constants.ILOAD_2:
        case Constants.ILOAD_3:
        case Constants.ILOAD:
        case Constants.LLOAD_0:
        case Constants.LLOAD_1:
        case Constants.LLOAD_2:
        case Constants.LLOAD_3:
        case Constants.LLOAD:
        case Constants.FLOAD_0:
        case Constants.FLOAD_1:
        case Constants.FLOAD_2:
        case Constants.FLOAD_3:
        case Constants.FLOAD:
        case Constants.DLOAD_0:
        case Constants.DLOAD_1:
        case Constants.DLOAD_2:
        case Constants.DLOAD_3:
        case Constants.DLOAD:
        case Constants.ALOAD_0:
        case Constants.ALOAD_1:
        case Constants.ALOAD_2:
        case Constants.ALOAD_3:
        case Constants.ALOAD:
            {
                LoadInstruction instr = (LoadInstruction) instruction;
                int index = instr.getIndex();
                values.push(values.getLocalValue(index));
                break;
            }
        case Constants.DUP:
            values.push(values.top());
            break;
        case Constants.DUP_X1:
            values.insert(2, values.top());
            break;
        case Constants.DUP_X2:
            values.insert(3, values.top());
        case Constants.DUP2:
            values.push(values.top(1), false);
            values.push(values.top(1), false);
            break;
        case Constants.DUP2_X1:
            values.insert(3, values.top(1));
            values.insert(3, values.top(0));
            break;
        case Constants.DUP2_X2:
            values.insert(4, values.top(1));
            values.insert(4, values.top(0));
            break;
        case Constants.POP:
            values.pop();
            break;
        case Constants.POP2:
            values.pop();
            values.pop();
            break;
        case Constants.SWAP:
            values.insert(1, values.pop());
            break;
        case Constants.IASTORE:
        case Constants.LASTORE:
        case Constants.FASTORE:
        case Constants.DASTORE:
        case Constants.CASTORE:
        case Constants.SASTORE:
        case Constants.BASTORE:
        case Constants.AASTORE:
            values.popValue();
            values.pop();
            values.pop();
            break;
        case Constants.IALOAD:
        case Constants.LALOAD:
        case Constants.FALOAD:
        case Constants.DALOAD:
        case Constants.CALOAD:
        case Constants.SALOAD:
        case Constants.BALOAD:
        case Constants.AALOAD:
            {
                values.pop();
                values.pop();
                Type t = ((ArrayInstruction) instruction).getType(cpg);
                values.push(new ValueInfo(t));
                break;
            }
        case Constants.IINC:
            {
                int i = ((IINC) instruction).getIndex();
                ValueInfo old = values.getLocalValue(i);
                if (old.isConstantValue() && old.getConstantValue() instanceof ConstantIntegerInfo) {
                    ConstantIntegerInfo value = (ConstantIntegerInfo) old.getConstantValue();
                    int newval = value.getValue() + ((IINC) instruction).getIncrement();
                    values.setLocalValue(i, new ValueInfo(new ConstantIntegerInfo(newval)));
                } else {
                    values.setLocalValue(i, new ValueInfo(Type.INT));
                }
                break;
            }
        case Constants.IADD:
        case Constants.ISUB:
        case Constants.IMUL:
        case Constants.IDIV:
        case Constants.IREM:
        case Constants.IAND:
        case Constants.IOR:
        case Constants.IXOR:
        case Constants.ISHL:
        case Constants.ISHR:
        case Constants.IUSHR:
            values.pop();
        case Constants.INEG:
            values.pop();
            values.push(new ValueInfo(Type.INT));
            break;
        case Constants.FADD:
        case Constants.FSUB:
        case Constants.FMUL:
        case Constants.FDIV:
        case Constants.FREM:
            values.pop();
        case Constants.FNEG:
            values.pop();
            values.push(new ValueInfo(Type.FLOAT));
            break;
        case Constants.LADD:
        case Constants.LSUB:
        case Constants.LMUL:
        case Constants.LDIV:
        case Constants.LREM:
        case Constants.LAND:
        case Constants.LOR:
        case Constants.LXOR:
            values.pop();
            values.pop();
        case Constants.LNEG:
            values.pop();
            values.pop();
            values.push(new ValueInfo(Type.LONG));
            break;
        case Constants.DADD:
        case Constants.DSUB:
        case Constants.DMUL:
        case Constants.DDIV:
        case Constants.DREM:
            values.pop();
            values.pop();
        case Constants.DNEG:
            values.pop();
            values.pop();
            values.push(new ValueInfo(Type.DOUBLE));
            break;
        case Constants.LSHL:
        case Constants.LSHR:
        case Constants.LUSHR:
            values.pop();
            values.pop();
            values.pop();
            values.push(new ValueInfo(Type.LONG));
            break;
        case Constants.I2B:
        case Constants.I2C:
        case Constants.I2S:
        case Constants.I2L:
        case Constants.I2F:
        case Constants.I2D:
        case Constants.L2I:
        case Constants.L2F:
        case Constants.L2D:
        case Constants.F2I:
        case Constants.F2L:
        case Constants.F2D:
        case Constants.D2I:
        case Constants.D2L:
        case Constants.D2F:
            {
                values.popValue();
                values.push(new ValueInfo(((ConversionInstruction) instruction).getType(cpg)));
                break;
            }
        case Constants.LCMP:
        case Constants.DCMPL:
        case Constants.DCMPG:
            values.pop();
            values.pop();
        case Constants.FCMPL:
        case Constants.FCMPG:
            values.pop();
            values.pop();
            values.push(new ValueInfo(Type.INT));
            break;
        case Constants.IF_ICMPEQ:
        case Constants.IF_ICMPNE:
        case Constants.IF_ICMPLT:
        case Constants.IF_ICMPGE:
        case Constants.IF_ICMPGT:
        case Constants.IF_ICMPLE:
        case Constants.IF_ACMPEQ:
        case Constants.IF_ACMPNE:
            values.pop();
        case Constants.IFEQ:
        case Constants.IFNE:
        case Constants.IFLT:
        case Constants.IFGE:
        case Constants.IFLE:
        case Constants.IFGT:
        case Constants.IFNULL:
        case Constants.IFNONNULL:
            values.pop();
            break;
        case Constants.GOTO:
        case Constants.RET:
            break;
        case Constants.JSR:
            // This is of type 'returnAddress'
            values.push(new ValueInfo(Type.INT));
            break;
        case Constants.ARETURN:
        case Constants.IRETURN:
        case Constants.LRETURN:
        case Constants.FRETURN:
        case Constants.DRETURN:
        case Constants.RETURN:
            values.clearStack();
            break;
        case Constants.LOOKUPSWITCH:
        case Constants.TABLESWITCH:
            values.pop();
            break;
        case Constants.GETFIELD:
            values.pop();
        case Constants.GETSTATIC:
            {
                FieldInstruction f = (FieldInstruction) instruction;
                ConstantFieldInfo field = (ConstantFieldInfo) methodInfo.getClassInfo().getConstantInfo(f.getIndex());
                values.push(new ValueInfo(f.getFieldType(cpg), field.getValue()));
                break;
            }
        case Constants.PUTFIELD:
            values.pop();
        case Constants.PUTSTATIC:
            {
                FieldInstruction f = (FieldInstruction) instruction;
                values.pop(f.getFieldType(cpg).getSize());
                break;
            }
        case Constants.INVOKEVIRTUAL:
        case Constants.INVOKEINTERFACE:
        case Constants.INVOKESPECIAL:
            values.pop();
        case Constants.INVOKESTATIC:
            {
                InvokeInstruction invoke = (InvokeInstruction) instruction;
                values.pop(TypeHelper.getNumSlots(invoke.getArgumentTypes(cpg)));
                values.push(new ValueInfo(invoke.getReturnType(cpg)));
                break;
            }
        case Constants.MONITORENTER:
        case Constants.MONITOREXIT:
            values.pop();
            break;
        case Constants.ATHROW:
            ValueInfo ref = values.pop();
            values.clearStack();
            values.push(ref);
            break;
        case Constants.CHECKCAST:
            break;
        case Constants.INSTANCEOF:
            values.pop();
            values.push(new ValueInfo(Type.INT));
            break;
        case Constants.NEW:
            values.push(new ValueInfo(((NEW) instruction).getType(cpg)));
            break;
        case Constants.NEWARRAY:
            {
                Type t = ((NEWARRAY) instruction).getType();
                values.push(new ValueInfo(new ArrayType(t, 1)));
                break;
            }
        case Constants.ANEWARRAY:
            {
                Type t = ((ANEWARRAY) instruction).getType(cpg);
                values.push(new ValueInfo(new ArrayType(t, 1)));
                break;
            }
        case Constants.MULTIANEWARRAY:
            {
                MULTIANEWARRAY instr = (MULTIANEWARRAY) instruction;
                values.pop(instr.getDimensions());
                values.push(new ValueInfo(new ArrayType(instr.getType(cpg), instr.getDimensions())));
                break;
            }
        case Constants.ARRAYLENGTH:
            values.pop();
            values.push(new ValueInfo(Type.INT));
            break;
        default:
            throw new AppInfoError("Instruction not supported: " + instruction);
    }
}