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""" Module to handle errors in Pythran. """
class PythranInternalError(Exception):
""" Exception raise on Incorrect internal behavior in Pythran. """
class PythranCompileError(Exception):
""" Exception raise on when Pythran fails the compile to binary step. """
class PythranSyntaxError(SyntaxError):
def __init__(self, msg, node=None):
SyntaxError.__init__(self, msg)
if node:
self.filename = getattr(node, 'filename', None)
self.lineno = node.lineno
self.offset = node.col_offset
def __str__(self):
loc_info = self.lineno is not None and self.offset is not None
if self.filename and loc_info:
with open(self.filename) as f:
for i in range(self.lineno - 1):
f.readline() # and drop it
extra = '{}\n{}'.format(f.readline().rstrip(),
" " * (self.offset) + "^~~~ (o_0)")
else:
extra = None
if loc_info:
format_header = "{}:{}:{}"
format_args = self.lineno, self.offset, self.args[0],
else:
format_header = "{}:"
format_args = self.args[0],
r = (format_header + " error: {}").format(
self.filename or "<unknown>",
*format_args)
if extra is not None:
r += "\n----\n"
r += extra
r += "\n----\n"
return r
class PythranTypeError(PythranSyntaxError):
"A new type to distinguish general syntax errors from typing issues"
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