@Override
public DfaInstructionState[] visitPush(
PushInstruction instruction, DataFlowRunner runner, DfaMemoryState memState) {
if (instruction.isReferenceRead()) {
DfaValue dfaValue = instruction.getValue();
if (dfaValue instanceof DfaVariableValue) {
DfaConstValue constValue = memState.getConstantValue((DfaVariableValue) dfaValue);
myPossibleVariableValues.putValue(
instruction,
constValue != null
&& (constValue.getValue() == null || constValue.getValue() instanceof Boolean)
? constValue
: ANY_VALUE);
}
}
return super.visitPush(instruction, runner, memState);
}
