objective c - How to remove 100s of warnings "implicit conversion loses integer precision: 'NSInteger' (aka 'long') to 'int'" I got after updating to arm64? -


problem:

yesterday converted large project of mine support arm64 , after got 500+ warnings @ once. 70% of them nsinteger being assigned int or vice versa, , remaining nsuinteger formatted in nsstring this:

nsinteger = 123; nsstring *str = [nsstring stringwithformat:@"int:%d", a]; //warning: value of 'nsinteger' should not used formate argument; add explicit cast 'unsigned long' instead.

now know how adress them manually, that's huge task , laborious. i'm aware can silence type mismatch warnings together, don't want that. of course, they're helpful.

what i've tried:

  1. i've converted [nsnumber numberwithint:abc]; [nsnumber numberwithint:(int)abc]; using find-n-replace. fixed some.

  2. i've tried change int properties nsinteger properties doubled number of warnings (reached 900+ count). reverted.

  3. i've tried find regular expression couldn't find suitable needs.

question:

i'm looking regular expression or other workaround has tried can reduce amount of work needed fix them manually.

thanks in advance.

nsinteger = 123; nsstring *str = [nsstring stringwithformat:@"int:%ld", (long)a];

after updating 64 bit need typecast this((long)a). %d 32 bit range %ld long integer. better understanding got through apple documentation.

https://developer.apple.com/library/mac/documentation/cocoa/conceptual/cocoa64bitguide/convertingexistingapp/convertingexistingapp.html


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