def _create_handler(record):
varobj = VariableObjectManager.create_var_obj(record.results)
if not varobj:
# Bad variable name.
return True
if not self.varobjs[rank].add_var_obj(varobj):
print "Could not add varobj."
if int(varobj.num_child) > 0 or varobj.is_dynamic:
# Set up our stack.
self.varprint_stacks[v_id] = [(varobj, 0)]
tokens = self.run_gdb_command(Command("var-list-children", args = ("1", record.results["name"])),
rank)
self.be.add_token_handler(tokens[rank], _list_handler)
else:
self.comm.send(GDBMessage(VARPRINT_RES_MSG, varobj = varobj, rank = rank, err = False), self.comm.frontend)
def _update_handler(record):
if "changelist" not in record.results:
print "Got a bad update record."
return True
for change in record.results["changelist"]:
varobj = self.varobjs[rank].get_var_obj(change["name"])
if varobj:
# Potentially, a variable object could be manually created that we're not tracking.
if "in_scope" in change:
if change["in_scope"] in ["false", "invalid"]:
self.varobjs[rank].del_var_obj(varobj)
del varobj # This probably isn't necessary.
return False
if "type_changed" in change and change[
"type_changed"] == "true":
self.varobjs[rank].del_var_obj(varobj)
del varobj
return False
if "value" in change:
varobj.value = change["value"]
if "dynamic" in change:
varobj.is_dynamic = change["dynamic"]
if "displayhint" in change:
varobj.display_hint = change["displayhint"]
if "num_new_children" in change:
new_num = int(change["new_num_children"])
if new_num < len(varobj.children):
# There has been a removal, so we no longer have child information.
varobj.children = []
varobj.listed = False
varobj.has_more = False
else:
if "new_children" in change:
for child in change["new_children"]:
varobj = VariableObjectManager.create_var_obj(
child)
if not varobj:
print "Could not create child varobj!"
return True
if not self.varobjs[rank].add_var_obj(
varobj):
print "Could not add child varobj!"
return True
self.varprint_handler2(name, rank)
def _create_handler(record):
varobj = VariableObjectManager.create_var_obj(record.results)
if not varobj:
# Bad variable name.
return True
if not self.varobjs[rank].add_var_obj(varobj):
print "Could not add varobj."
if int(varobj.num_child) > 0 or varobj.is_dynamic:
# Set up our stack.
self.varprint_stacks[v_id] = [(varobj, 0)]
tokens = self.run_gdb_command(
Command("var-list-children",
args=("1", record.results["name"])), rank)
self.be.add_token_handler(tokens[rank], _list_handler)
else:
self.comm.send(
GDBMessage(VARPRINT_RES_MSG,
varobj=varobj,
rank=rank,
err=False), self.comm.frontend)
def _update_handler(record):
if "changelist" not in record.results:
print "Got a bad update record."
return True
for change in record.results["changelist"]:
varobj = self.varobjs[rank].get_var_obj(change["name"])
if varobj:
# Potentially, a variable object could be manually created that we're not tracking.
if "in_scope" in change:
if change["in_scope"] in ["false", "invalid"]:
self.varobjs[rank].del_var_obj(varobj)
del varobj # This probably isn't necessary.
return False
if "type_changed" in change and change["type_changed"] == "true":
self.varobjs[rank].del_var_obj(varobj)
del varobj
return False
if "value" in change:
varobj.value = change["value"]
if "dynamic" in change:
varobj.is_dynamic = change["dynamic"]
if "displayhint" in change:
varobj.display_hint = change["displayhint"]
if "num_new_children" in change:
new_num = int(change["new_num_children"])
if new_num < len(varobj.children):
# There has been a removal, so we no longer have child information.
varobj.children = []
varobj.listed = False
varobj.has_more = False
else:
if "new_children" in change:
for child in change["new_children"]:
varobj = VariableObjectManager.create_var_obj(child)
if not varobj:
print "Could not create child varobj!"
return True
if not self.varobjs[rank].add_var_obj(varobj):
print "Could not add child varobj!"
return True
self.varprint_handler2(name, rank)
def varprint_dfs(self,
record,
rank,
v_id,
name,
max_depth=gdbconf.varprint_max_depth,
max_children=gdbconf.varprint_max_children,
reset_maxes=False,
branch_depth=None,
branch_name=None):
"""Do the depth-first search for expanding a variable object's children."""
cur_varobj, parent_depth = self.varprint_stacks[v_id].pop()
cur_varobj.listed = True
if "has_more" not in record.results:
self.comm.send(
GDBMessage(VARPRINT_RES_MSG,
rank=rank,
err=True,
msg="Got bad variable data."), self.comm.frontend)
elif "children" in record.results:
if len(record.results["children"]) > max_children:
cur_varobj.more_children = True
for child_tup in record.results["children"][:max_children]:
child = child_tup[1]
varobj = VariableObjectManager.create_var_obj(child)
if not varobj:
print "Could not create child varobj!"
return True
if not self.varobjs[rank].add_var_obj(varobj):
print "Could not add child varobj!"
return True
if int(varobj.num_child) > 0 or varobj.is_dynamic:
# Only potentially push if the varobj can have children.
do_listing = True
if parent_depth > max_depth:
# If the depth of the parent of this node is greater than five,
# we want to terminate the search of this branch, unless this
# node is a pseduo-child, or we want to go deeper on one branch.
if branch_name and VariableObjectManager.same_branch(
varobj.name, branch_name):
if parent_depth > branch_depth and not VariableObjectManager.is_pseudochild(
varobj):
do_listing = False
elif not VariableObjectManager.is_pseudochild(varobj):
do_listing = False
# Don't list null-pointers.
if varobj.vartype and varobj.value and varobj.vartype[
-1] == "*":
try:
if int(varobj.value, 0) == 0:
do_listing = False
except ValueError:
pass
# Do not evaluate children further when there's an excessive number.
if len(record.results["children"]) > 128:
do_listing = False
# Add to the stack to list if we meet the requirements.
if do_listing:
self.varprint_stacks[v_id].append(
(varobj, parent_depth + 1))
if not self.varprint_stacks[v_id]:
to_send = self.varobjs[rank].get_var_obj(name)
if to_send:
self.comm.send(
GDBMessage(VARPRINT_RES_MSG,
varobj=to_send,
rank=rank,
err=False), self.comm.frontend)
else:
self.comm.send(
GDBMessage(VARPRINT_RES_MSG,
rank=rank,
err=True,
msg="Variable does not exist."),
self.comm.frontend)
else:
to_list, depth = self.varprint_stacks[v_id][-1]
if reset_maxes:
def _list_handler(record):
return self.varprint_dfs(record,
rank,
v_id,
name,
branch_depth=branch_depth,
branch_name=branch_name)
else:
def _list_handler(record):
return self.varprint_dfs(record,
rank,
v_id,
name,
max_depth=max_depth,
max_children=max_children,
reset_maxes=reset_maxes,
branch_depth=branch_depth,
branch_name=branch_name)
tokens = self.run_gdb_command(
Command("var-list-children",
args=("1", '"' + to_list.name + '"')), rank)
self.be.add_token_handler(tokens[rank], _list_handler)
def varprint_dfs(self, record, rank, v_id, name, max_depth = gdbconf.varprint_max_depth,
max_children = gdbconf.varprint_max_children,
reset_maxes = False, branch_depth = None, branch_name = None):
"""Do the depth-first search for expanding a variable object's children."""
cur_varobj, parent_depth = self.varprint_stacks[v_id].pop()
cur_varobj.listed = True
if "has_more" not in record.results:
self.comm.send(GDBMessage(VARPRINT_RES_MSG, rank = rank, err = True, msg = "Got bad variable data."), self.comm.frontend)
elif "children" in record.results:
if len(record.results["children"]) > max_children:
cur_varobj.more_children = True
for child_tup in record.results["children"][:max_children]:
child = child_tup[1]
varobj = VariableObjectManager.create_var_obj(child)
if not varobj:
print "Could not create child varobj!"
return True
if not self.varobjs[rank].add_var_obj(varobj):
print "Could not add child varobj!"
return True
if int(varobj.num_child) > 0 or varobj.is_dynamic:
# Only potentially push if the varobj can have children.
do_listing = True
if parent_depth > max_depth:
# If the depth of the parent of this node is greater than five,
# we want to terminate the search of this branch, unless this
# node is a pseduo-child, or we want to go deeper on one branch.
if branch_name and VariableObjectManager.same_branch(varobj.name, branch_name):
if parent_depth > branch_depth and not VariableObjectManager.is_pseudochild(varobj):
do_listing = False
elif not VariableObjectManager.is_pseudochild(varobj):
do_listing = False
# Don't list null-pointers.
if varobj.vartype and varobj.value and varobj.vartype[-1] == "*":
try:
if int(varobj.value, 0) == 0:
do_listing = False
except ValueError: pass
# Do not evaluate children further when there's an excessive number.
if len(record.results["children"]) > 128:
do_listing = False
# Add to the stack to list if we meet the requirements.
if do_listing:
self.varprint_stacks[v_id].append((varobj, parent_depth + 1))
if not self.varprint_stacks[v_id]:
to_send = self.varobjs[rank].get_var_obj(name)
if to_send:
self.comm.send(GDBMessage(VARPRINT_RES_MSG, varobj = to_send, rank = rank, err = False), self.comm.frontend)
else:
self.comm.send(GDBMessage(VARPRINT_RES_MSG, rank = rank, err = True, msg = "Variable does not exist."), self.comm.frontend)
else:
to_list, depth = self.varprint_stacks[v_id][-1]
if reset_maxes:
def _list_handler(record):
return self.varprint_dfs(record, rank, v_id, name, branch_depth = branch_depth,
branch_name = branch_name)
else:
def _list_handler(record):
return self.varprint_dfs(record, rank, v_id, name, max_depth = max_depth,
max_children = max_children, reset_maxes = reset_maxes,
branch_depth = branch_depth, branch_name = branch_name)
tokens = self.run_gdb_command(Command("var-list-children", args = ("1", '"' + to_list.name + '"')), rank)
self.be.add_token_handler(tokens[rank], _list_handler)
