@Nullable
public static GrExpression getRuntimeQualifier(GrReferenceExpression refExpr) {
GrExpression qualifier = refExpr.getQualifierExpression();
if (qualifier != null) return qualifier;
for (GrClosableBlock closure = PsiTreeUtil.getParentOfType(refExpr, GrClosableBlock.class);
closure != null;
closure = PsiTreeUtil.getParentOfType(closure, GrClosableBlock.class)) {
PsiElement parent = closure.getParent();
if (parent instanceof GrArgumentList) parent = parent.getParent();
if (!(parent instanceof GrMethodCall)) continue;
GrExpression funExpr = ((GrMethodCall) parent).getInvokedExpression();
if (!(funExpr instanceof GrReferenceExpression)) return funExpr;
final PsiElement resolved = ((GrReferenceExpression) funExpr).resolve();
if (!(resolved instanceof PsiMethod)) return funExpr;
if (resolved instanceof GrGdkMethod
&& isFromDGM((GrGdkMethod) resolved)
&& !GdkMethodUtil.isWithName(((GrGdkMethod) resolved).getStaticMethod().getName())) {
continue;
}
qualifier = ((GrReferenceExpression) funExpr).getQualifierExpression();
if (qualifier != null) return qualifier;
}
return null;
}
public static int getPrecendence(GrExpression expression) {
if (expression instanceof GrThisReferenceExpression
|| expression instanceof GrLiteral
|| expression instanceof GrSuperReferenceExpression) {
return LITERAL_PRECEDENCE;
}
if (expression instanceof GrReferenceExpression) {
final GrReferenceExpression referenceExpression = (GrReferenceExpression) expression;
if (referenceExpression.getQualifierExpression() != null) {
return METHOD_CALL_PRECEDENCE;
} else {
return LITERAL_PRECEDENCE;
}
}
if (expression instanceof GrMethodCallExpression) {
return METHOD_CALL_PRECEDENCE;
}
if (expression instanceof GrTypeCastExpression || expression instanceof GrNewExpression) {
return TYPE_CAST_PRECEDENCE;
}
if (expression instanceof GrPostfixExpression) {
return POSTFIX_PRECEDENCE;
}
if (expression instanceof GrUnaryExpression) {
return PREFIX_PRECEDENCE;
}
if (expression instanceof GrBinaryExpression) {
final GrBinaryExpression binaryExpression = (GrBinaryExpression) expression;
final IElementType sign = binaryExpression.getOperationTokenType();
if (sign != null) return precedenceForBinaryOperator(sign);
}
if (expression instanceof GrConditionalExpression) {
return CONDITIONAL_PRECEDENCE;
}
if (expression instanceof GrAssignmentExpression) {
return ASSIGNMENT_PRECEDENCE;
}
if (expression instanceof GrParenthesizedExpression) {
return PARENTHESIZED_PRECEDENCE;
}
return -1;
}
