Method invertValue

src/me/lpk/analysis/StackHelper.java:462–488

(AbstractInsnNode insn, InsnValue value)

	}

	public InsnValue invertValue(AbstractInsnNode insn, InsnValue value) {
		Object obj = value.getValue();
		switch (insn.getOpcode()) {
		case Opcodes.INEG:
			if (obj == null) {
				return InsnValue.INT_VALUE;
			}
			return InsnValue.intValue(-1 * (int) obj);
		case Opcodes.LNEG:
			if (obj == null) {
				return InsnValue.LONG_VALUE;
			}
			return InsnValue.longValue(-1L * (long) obj);
		case Opcodes.FNEG:
			if (obj == null) {
				return InsnValue.FLOAT_VALUE;
			}
			return InsnValue.floatValue(-1F * (float) obj);
		case Opcodes.DNEG:
			if (obj == null) {
				return InsnValue.DOUBLE_VALUE;
			}
			return InsnValue.doubleValue(-1D * (double) obj);
		}

		return null;
	}

	public InsnValue getStatic(FieldInsnNode fin) {
		return new InsnValue(Type.getType(fin.desc));