Open Mesyanzhin opened 4 months ago
Can you provide a minimal, complete reproducer?
Can you provide a minimal, complete reproducer?
pycparser version:
__version__ = '2.22'
Input:
from pycparser import c_parser, c_generator
src1 = '''
float f1( float __K1, float __K2 ) {
float __left_0 = ( {
float __x1_1 = __K1;
float __x2_1 = __K2;
( __x1_1 < __x2_1 ) ? __x1_1 : __x2_1;
} );
return __left_0;
}
'''
src2 = '''
float f2( float __iz_3, float __T1, float __T2 ) {
float __df_3 = __iz_3 / ( {
float __x1_4 = __T1;
float __x2_4 = __T2;
( __x1_4 > __x2_4 ) ? __x1_4 : __x2_4;
} );
return __df_3;
}
'''
def c2c(src):
parser = c_parser.CParser()
ast = parser.parse(src)
generator = c_generator.CGenerator()
return generator.visit(ast)
print(c2c(src1))
print(c2c(src2))
Output:
/home/artem/PycharmProjects/TestPy3/envs/bin/python /home/artem/PycharmProjects/TestPy3/c2c.py
float f1(float __K1, float __K2)
{
float __left_0 = {
float __x1_1 = __K1;
float __x2_1 = __K2;
(__x1_1 < __x2_1) ? (__x1_1) : (__x2_1);
}
;
return __left_0;
}
Traceback (most recent call last):
File "/home/artem/PycharmProjects/TestPy3/c2c.py", line 32, in <module>
print(c2c(src2))
File "/home/artem/PycharmProjects/TestPy3/c2c.py", line 27, in c2c
ast = parser.parse(src)
File "/home/artem/PycharmProjects/TestPy3/pycparser/c_parser.py", line 147, in parse
return self.cparser.parse(
File "/home/artem/PycharmProjects/TestPy3/pycparser/ply/yacc.py", line 331, in parse
return self.parseopt_notrack(input, lexer, debug, tracking, tokenfunc)
File "/home/artem/PycharmProjects/TestPy3/pycparser/ply/yacc.py", line 1199, in parseopt_notrack
tok = call_errorfunc(self.errorfunc, errtoken, self)
File "/home/artem/PycharmProjects/TestPy3/pycparser/ply/yacc.py", line 193, in call_errorfunc
r = errorfunc(token)
File "/home/artem/PycharmProjects/TestPy3/pycparser/c_parser.py", line 1945, in p_error
self._parse_error(
File "/home/artem/PycharmProjects/TestPy3/pycparser/plyparser.py", line 67, in _parse_error
raise ParseError("%s: %s" % (coord, msg))
pycparser.plyparser.ParseError: :3:32: before: {
Process finished with exit code 1
Thanks. This is probably not too hard to fix for someone motivated enough to dig into the code. PRs welcome :)
This expression are processed correctly:
But this valid expression
causes a traceback with parsing error: