diff options
| -rw-r--r-- | lldb/examples/python/shadow.py | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/lldb/examples/python/shadow.py b/lldb/examples/python/shadow.py new file mode 100644 index 00000000000..6da2bcec9a7 --- /dev/null +++ b/lldb/examples/python/shadow.py @@ -0,0 +1,59 @@ +#!/usr/bin/python + +import lldb +import shlex + +@lldb.command("shadow") +def check_shadow_command(debugger, command, result, dict): + target = debugger.GetSelectedTarget() + if not target: + print >>result, "invalid target" + return + process = target.GetProcess() + if not process: + print >>result, "invalid process" + return + thread = process.GetSelectedThread() + if not thread: + print >>result, "invalid thread" + return + frame = thread.GetSelectedFrame() + if not frame: + print >>result, "invalid frame" + return + # Parse command line args + command_args = shlex.split(command) + # TODO: add support for using arguments that are passed to this command... + + # Make a dictionary of variable name to "SBBlock and SBValue" + var_dict = {} + + # Get the deepest most block from the current frame + block = frame.GetBlock() + # Iterate through the block and all of its parents + while block.IsValid(): + # Get block variables from the current block only + block_vars = block.GetVariables(frame, True, True, True, 0) + # Iterate through all variables in the current block + for block_var in block_vars: + # Get the variable name and see if we already have a variable by this name? + block_var_name = block_var.GetName() + if block_var_name in var_dict: + # We already have seen a variable with this name, so it is shadowed + shadow_block_and_vars = var_dict[block_var_name] + for shadow_block_and_var in shadow_block_and_vars: + print shadow_block_and_var[0], shadow_block_and_var[1] + print 'is shadowed by:' + print block, block_var + # Since we can have multiple shadowed variables, we our variable + # name dictionary to have an array or "block + variable" pairs so + # We can correctly print out all shadowed variables and whow which + # blocks they come from + if block_var_name in var_dict: + var_dict[block_var_name].append([block, block_var]) + else: + var_dict[block_var_name] = [[block, block_var]] + # Get the parent block and continue + block = block.GetParent() + + |
