@Nullable
private static ValueConstraint getLiteralConstraint(@Nullable PsiExpression expr) {
if (expr instanceof PsiLiteralExpression) {
if (expr.textMatches(PsiKeyword.TRUE)) return TRUE_VALUE;
if (expr.textMatches(PsiKeyword.FALSE)) return FALSE_VALUE;
if (expr.textMatches(PsiKeyword.NULL)) return NULL_VALUE;
}
return null;
}
private int resolveParameter(@Nullable PsiExpression expr) {
if (expr instanceof PsiReferenceExpression && !((PsiReferenceExpression) expr).isQualified()) {
String name = expr.getText();
PsiParameter[] parameters = myMethod.getParameterList().getParameters();
for (int i = 0; i < parameters.length; i++) {
if (name.equals(parameters[i].getName())) {
return i;
}
}
}
return -1;
}