def test_from_clang_fixit(self):
joined_file = 'struct { int f0; }\nx = { f0 :1 };\n'
file = joined_file.splitlines(True)
fixed_file = ['struct { int f0; }\n', 'x = { .f0 = 1 };\n']
tu = Index.create().parse('t.c', unsaved_files=[
('t.c'.encode(), joined_file.encode())])
fixit = tu.diagnostics[0].fixits[0]
clang_fixed_file = Diff.from_clang_fixit(fixit, file).modified
self.assertEqual(fixed_file, clang_fixed_file)
def run(self,
filename,
file):
"""
This bear is meant for debugging purposes relating to clang. It just
prints out the whole AST for a file to the DEBUG channel.
"""
root = Index.create().parse(
filename,
options=TranslationUnit.PARSE_DETAILED_PROCESSING_RECORD).cursor
self.print_node(root, filename)
def get_vectors_for_file(self, filename, include_paths=()):
"""
Creates a dictionary associating each function name within the given
file with another dictionary associating each variable name (local to
the function) with a CountVector object. Functions of included files
will not be analyzed.
:param filename: The path to the file to parse.
:return: The dictionary holding CountVectors for all variables
in all functions.
"""
args = ["-I"+path for path in include_paths]
root = Index.create().parse(filename, args=args).cursor
return self._get_vectors_for_cursor(root, filename)
def run(self, filename, file, clang_cli_options: typed_list(str)=None):
"""
Runs Clang over the given files and raises/fixes any upcoming issues.
:param clang_cli_options: Any options that will be passed through to
Clang.
"""
index = Index.create()
diagnostics = index.parse(
filename,
args=clang_cli_options,
unsaved_files=[(filename.encode(),
''.join(file).encode())]).diagnostics
for diag in diagnostics:
severity = {0: RESULT_SEVERITY.INFO,
1: RESULT_SEVERITY.INFO,
2: RESULT_SEVERITY.NORMAL,
3: RESULT_SEVERITY.MAJOR,
4: RESULT_SEVERITY.MAJOR}.get(diag.severity)
affected_code = tuple(SourceRange.from_clang_range(range)
for range in diag.ranges)
diffs = None
fixits = list(diag.fixits)
if len(fixits) > 0:
# FIXME: coala doesn't support choice of diffs, for now
# append first one only, often there's only one anyway
diffs = {filename: Diff.from_clang_fixit(fixits[0], file)}
# No affected code yet? Let's derive it from the fix!
if len(affected_code) == 0:
affected_code = diffs[filename].affected_code(filename)
# Still no affected code? Position is the best we can get...
if len(affected_code) == 0:
affected_code = (SourceRange.from_values(
diag.location.file.name.decode(),
diag.location.line,
diag.location.column),)
yield Result(
self,
diag.spelling.decode(),
severity=severity,
affected_code=affected_code,
diffs=diffs)
def skip_test():
try:
Index.create()
return False
except LibclangError as error:
return str(error)
