Recognize integer multicharacter constants like 'ABCD' (#350)
Recognize integer multicharacter constants like 'ABCD'
The feature I am adding is defined here - 5th case.
https://en.cppreference.com/w/c/language/character_constant
Also here: 6.4.4.4.10 of C99.
Put simply, pycparser thought a statement like this is an error:
int a = 'ABCD';
However it is not.
It is likely possible to just modify char_const regular expression in c_lexer.py:240 to allow longer characters, but the way it is done in this PR - multicharacter constants are clearly separated. I am also limiting the length of multicharacter const integers to 4 characters - this matches VS compiler behavior (gcc allows any length with a warning) and lets pycparser NOT consider lengthy single-quoted strings as integers - these would be nonsensical anyway.
3 files changed