def describe_trace(trace, report, annotator):
"""
Buffer up more details about the path through the function that
leads to the error, using report.add_inform()
"""
awaiting_target = None
for t in trace.transitions:
log('transition: %s', t)
srcloc = t.src.get_gcc_loc_or_none()
if t.desc:
if srcloc:
report.add_inform(t.src.get_gcc_loc(report.fun),
('%s at: %s' %
(t.desc, get_src_for_loc(srcloc))))
else:
report.add_inform(t.src.get_gcc_loc(report.fun), '%s' % t.desc)
if t.src.stmtnode.bb != t.dest.stmtnode.bb:
# Tell the user where conditionals reach:
destloc = t.dest.get_gcc_loc_or_none()
if destloc:
report.add_inform(
destloc, 'reaching: %s' % get_src_for_loc(destloc))
if annotator:
notes = annotator.get_notes(t)
for note in notes:
if note.loc and note.loc == srcloc:
report.add_inform(note.loc, note.msg)
def describe_trace(trace, report, annotator):
"""
Buffer up more details about the path through the function that
leads to the error, using report.add_inform()
"""
awaiting_target = None
for t in trace.transitions:
log('transition: %s', t)
srcloc = t.src.get_gcc_loc_or_none()
if t.desc:
if srcloc:
report.add_inform(t.src.get_gcc_loc(report.fun),
('%s at: %s'
% (t.desc, get_src_for_loc(srcloc))))
else:
report.add_inform(t.src.get_gcc_loc(report.fun),
'%s' % t.desc)
if t.src.loc.bb != t.dest.loc.bb:
# Tell the user where conditionals reach:
destloc = t.dest.get_gcc_loc_or_none()
if destloc:
report.add_inform(destloc,
'reaching: %s' % get_src_for_loc(destloc))
if annotator:
notes = annotator.get_notes(t)
for note in notes:
if note.loc and note.loc == srcloc:
report.add_inform(note.loc, note.msg)
def check_callsite(stmt, parser, funcname, format_idx, varargs_idx,
with_size_t):
log('got call at %s', stmt.loc)
log(get_src_for_loc(stmt.loc))
# log('stmt: %r %s', (stmt, stmt))
# log('args: %r', stmt.args)
# for arg in stmt.args:
# # log(' arg: %s %r', (arg, arg))
# We expect the following args:
# args[0]: PyObject *input_tuple
# args[1]: char * format
# args[2...]: output pointers
if len(stmt.args) >= format_idx:
fmt_string = get_format_string(stmt, format_idx)
if fmt_string:
log('fmt_string: %r', fmt_string)
loc = stmt.loc
# Figure out expected types, based on the format string...
try:
fmt = parser.from_string(fmt_string, with_size_t)
except FormatStringWarning:
err = sys.exc_info()[1]
err.emit_as_warning(stmt.loc)
return
log('fmt: %r', fmt.args)
exp_types = list(fmt.iter_exp_types())
log('exp_types: %r', exp_types)
# ...then compare them against the actual types:
varargs = stmt.args[varargs_idx:]
# log('varargs: %r', varargs)
if len(varargs) < len(exp_types):
NotEnoughVars(funcname, fmt, varargs).emit_as_warning(loc)
return
if len(varargs) > len(exp_types):
TooManyVars(funcname, fmt, varargs).emit_as_warning(loc)
return
for index, ((exp_arg, exp_type),
vararg) in enumerate(zip(exp_types, varargs)):
if not compatible_type(
exp_type, vararg.type, actualarg=vararg):
err = MismatchingType(funcname, fmt,
index + varargs_idx + 1,
exp_arg.code, exp_type, vararg)
if hasattr(vararg, 'location'):
loc = vararg.location
else:
loc = stmt.loc
err.emit_as_warning(loc)
def check_callsite(stmt, parser, funcname, format_idx, varargs_idx, with_size_t):
log('got call at %s', stmt.loc)
log(get_src_for_loc(stmt.loc))
# log('stmt: %r %s', (stmt, stmt))
# log('args: %r', stmt.args)
# for arg in stmt.args:
# # log(' arg: %s %r', (arg, arg))
# We expect the following args:
# args[0]: PyObject *input_tuple
# args[1]: char * format
# args[2...]: output pointers
if len(stmt.args) >= format_idx:
fmt_string = get_format_string(stmt, format_idx)
if fmt_string:
log('fmt_string: %r', fmt_string)
loc = stmt.loc
# Figure out expected types, based on the format string...
try:
fmt = parser.from_string(fmt_string, with_size_t)
except FormatStringWarning:
err = sys.exc_info()[1]
err.emit_as_warning(stmt.loc)
return
log('fmt: %r', fmt.args)
exp_types = list(fmt.iter_exp_types())
log('exp_types: %r', exp_types)
# ...then compare them against the actual types:
varargs = stmt.args[varargs_idx:]
# log('varargs: %r', varargs)
if len(varargs) < len(exp_types):
NotEnoughVars(funcname, fmt, varargs).emit_as_warning(loc)
return
if len(varargs) > len(exp_types):
TooManyVars(funcname, fmt, varargs).emit_as_warning(loc)
return
for index, ((exp_arg, exp_type), vararg) in enumerate(zip(exp_types, varargs)):
if not compatible_type(exp_type, vararg.type, actualarg=vararg):
err = MismatchingType(funcname, fmt,
index + varargs_idx + 1,
exp_arg.code, exp_type, vararg)
if hasattr(vararg, 'location'):
loc = vararg.location
else:
loc = stmt.loc
err.emit_as_warning(loc)
def to_dot_html(self, ctxt):
from gccutils.dot import Table, Tr, Td, Text, Br, Font
from gccutils import get_src_for_loc
loc = self.get_gcc_loc()
if loc:
table = Table()
code = get_src_for_loc(loc).rstrip()
tr = table.add_child(Tr())
td = tr.add_child(Td(align='left'))
td.add_child(Text('%4i %s' % (self.stmt.loc.line, code)))
td.add_child(Br())
td.add_child(Text(' ' * (5 + self.stmt.loc.column-1) + '^'))
td.add_child(Br())
td.add_child(Text(str(self)))
return table
# return Font([table], face="monospace")
else:
return Text(str(self))
def to_dot_html(self, ctxt):
from gccutils.dot import Table, Tr, Td, Text, Br, Font
from gccutils import get_src_for_loc
loc = self.get_gcc_loc()
if loc:
table = Table()
code = get_src_for_loc(loc).rstrip()
tr = table.add_child(Tr())
td = tr.add_child(Td(align='left'))
td.add_child(Text('%4i %s' % (self.stmt.loc.line, code)))
td.add_child(Br())
td.add_child(Text(' ' * (5 + self.stmt.loc.column - 1) + '^'))
td.add_child(Br())
td.add_child(Text(str(self)))
return table
# return Font([table], face="monospace")
else:
return Text(str(self))
def state_to_dot_label(self, state, prevstate):
result = '<table cellborder="0" border="0" cellspacing="0">\n'
# Show data:
result += '<tr><td colspan="2"><table border="0" cellborder="1">'
result += ('<tr> %s %s %s</tr>\n'
% (self._dot_td('Expression'),
self._dot_td('lvalue'),
self._dot_td('rvalue')))
for key in state.region_for_var:
region = state.region_for_var[key]
value = state.value_for_region.get(region, None)
# Highlight new and changing values:
is_new_key = True
is_different_value = False
if prevstate:
if key in prevstate.region_for_var:
is_new_key = False
prevregion = prevstate.region_for_var[key]
prevvalue = prevstate.value_for_region.get(prevregion, None)
if value != prevvalue:
is_different_value = True
if is_new_key:
bgcolor = 'green'
value_bgcolor = 'green'
else:
bgcolor = None
if is_different_value:
value_bgcolor = 'green'
else:
value_bgcolor = None
result += ('<tr> %s %s %s</tr>\n'
% (self._dot_td(key, bgcolor=bgcolor),
self._dot_td(region, bgcolor=bgcolor),
self._dot_td(value, bgcolor=value_bgcolor)))
# Show any return value:
if state.return_rvalue:
result += ('<tr> %s %s %s</tr>\n'
% (self._dot_td(''),
self._dot_td('Return Value', bgcolor='green'),
self._dot_td(state.return_rvalue, bgcolor='green')))
result += '</table></td></tr>'
# Show location:
stmt = state.loc.get_stmt()
if stmt:
if stmt.loc:
result += ('<tr><td>'
+ self.to_html('%4i ' % stmt.loc.line)
+ self.code_to_html(get_src_for_loc(stmt.loc))
+ '<br/>'
+ (' ' * (5 + stmt.loc.column-1)) + '^'
+ '</td></tr>\n')
result += '<tr><td></td>' + self.stmt_to_html(stmt, state.loc.idx) + '</tr>\n'
result += '</table>\n'
return result