Title: Implement `str` to `int` conversion by kmr-srbh · Pull Request #2599 · lcompilers/lpython · GitHub
Open Graph Title: Implement `str` to `int` conversion by kmr-srbh · Pull Request #2599 · lcompilers/lpython
X Title: Implement `str` to `int` conversion by kmr-srbh · Pull Request #2599 · lcompilers/lpython
Description: Resolves #2554 Implement basic string to integer conversion using CharacterToInteger casting, which I believe is a part of LFortran, but was not implemented here in LPython. Working from lpython import i8, i16, i32, i64 int8: i8 = i8("100") int16: i16 = i16("100") int32: i32 = i32("100") int64: i64 = i64("100") print("int8:", int8) print("int16:", int16) print("int32:", int32) print("int64:", int64) print() print("int8 + i8(10):", int8 + i8(10)) print("int16 * i16(2):", int16 * i16(2)) print("int32 - 50:", int32 - 50) print("int64 / i64(2):", int64 / i64(2)) (base) saurabh-kumar@Awadh:~/Projects/System/lpython$ ./src/bin/lpython ./examples/example.py int8: 100 int16: 100 int32: 100 int64: 100 int8 + i8(10): 110 int16 * i16(2): 200 int32 - 50: 50 int64 / i64(2): 5.00000000000000000e+01 ASR int32: (Variable 2 int32 [] Local (Cast (StringConstant "100" (Character 1 3 ()) ) CharacterToInteger (Integer 4) (IntegerConstant 100 (Integer 4)) ) (IntegerConstant 100 (Integer 4)) Default (Integer 4) () Source Public Required .false. ), int64: (Variable 2 int64 [] Local (Cast (StringConstant "100" (Character 1 3 ()) ) CharacterToInteger (Integer 8) (IntegerConstant 100 (Integer 8)) ) (IntegerConstant 100 (Integer 8)) Default (Integer 8) () Source Public Required .false. ), Tasks Throw a semantic error when an invalid literal is passed. While this can be handled while casting, it is not very clean to do it there. I request guidance on where the error should be thrown. Throw an error when an integer larger or smaller than the upper and lower bounds is passed as a valid string. I request guidance on where it should be handled. Handle integers with other bases. I doubt whether the types i8, i16, etc even take a 2nd argument. Even when several arguments are passed, only the 1st is dealt with and errors related to the same are thrown.
Open Graph Description: Resolves #2554 Implement basic string to integer conversion using CharacterToInteger casting, which I believe is a part of LFortran, but was not implemented here in LPython. Working from lpython im...
X Description: Resolves #2554 Implement basic string to integer conversion using CharacterToInteger casting, which I believe is a part of LFortran, but was not implemented here in LPython. Working from lpython im...
Opengraph URL: https://github.com/lcompilers/lpython/pull/2599
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