LLDB | LLDB aliases/regexes and Python scripts | Code Inspection library

 by   DerekSelander Python Version: 3.3 License: GPL-2.0

kandi X-RAY | LLDB Summary

kandi X-RAY | LLDB Summary

LLDB is a Python library typically used in Code Quality, Code Inspection, Xcode applications. LLDB has no bugs, it has no vulnerabilities, it has a Strong Copyleft License and it has medium support. However LLDB build file is not available. You can download it from GitHub.

A collection of LLDB aliases/regexes and Python scripts to aid in my debugging sessions. These scripts are built only for my own amusement, but some of them might be helpful in your own work. If you want to gain a better understanding of how to build these LLDB scripts, or gain a better understanding of LLDB in general, check out Advanced Apple Debugging and Reverse Engineering.

            kandi-support Support

              LLDB has a medium active ecosystem.
              It has 1616 star(s) with 179 fork(s). There are 56 watchers for this library.
              It had no major release in the last 6 months.
              There are 12 open issues and 15 have been closed. On average issues are closed in 78 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of LLDB is 3.3

            kandi-Quality Quality

              LLDB has 0 bugs and 0 code smells.

            kandi-Security Security

              LLDB has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              LLDB code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              LLDB is licensed under the GPL-2.0 License. This license is Strong Copyleft.
              Strong Copyleft licenses enforce sharing, and you can use them when creating open source projects.

            kandi-Reuse Reuse

              LLDB releases are not available. You will need to build from source code and install.
              LLDB has no build file. You will be need to create the build yourself to build the component from source.
              Installation instructions, examples and code snippets are available.
              LLDB saves you 2624 person hours of effort in developing the same functionality from scratch.
              It has 5694 lines of code, 169 functions and 29 files.
              It has high code complexity. Code complexity directly impacts maintainability of the code.

            Top functions reviewed by kandi - BETA

            kandi has reviewed LLDB and discovered the below as its top functions. This is intended to give you an instant insight into LLDB implemented functionality, and help decide if they suit your requirements.
            • Dclass entry point
            • Generate class info
            • Generates a string to search for modules
            • Generates the class dump for the given target
            • Process a module
            • Get the bounds of a module
            • Generate conditional conditional statement
            • Generate a dtrace script
            • Look up the given command
            • Generate a dictionary containing the cstring
            • Checks if the process is stopped
            • Get a section by name or name
            • Process a command
            • Returns a list of security groups
            • Executes the given command
            • Generate the option parser
            • Run iAP command
            • Get IAP receipt
            • Sends a receipt of the app store
            • Sclass subclasses
            • Generate a SWL block
            • Generate a script
            • Generate class file
            • Runs the given command
            • Run a breakpoint on the debugger
            • Process a Python module
            Get all kandi verified functions for this library.

            LLDB Key Features

            No Key Features are available at this moment for LLDB.

            LLDB Examples and Code Snippets

            No Code Snippets are available at this moment for LLDB.

            Community Discussions


            Why global variable in swift file doesn't look like initialized correctly at debugging?
            Asked 2022-Mar-24 at 17:14

            my code is very simple, in ContentView.swift file:



            Answered 2022-Mar-24 at 17:14

            Note that global variables and static properties are computed lazily (see the Language Guide on this):

            Global constants and variables are always computed lazily, in a similar manner to Lazy Stored Properties. Unlike lazy stored properties, global constants and variables don’t need to be marked with the lazy modifier.

            Local constants and variables are never computed lazily.

            When the breakpoint is hit, "Line 1" is not run yet, so the global constant tab0 is no yet computed, and so its value is all zeros. When interpreted as a String, that represents the empty string.

            You can verify this by adding an initialiser that prints something:

            Source https://stackoverflow.com/questions/71605238


            How do I see a user-friendly format when debugging chrono::DateTime in vscode-lldb?
            Asked 2022-Feb-23 at 10:12

            The debugger shows this for DateTime structs:

            After looking at the docs for lldb to see how to format it, I see I can format integers as hex:



            Answered 2021-Jul-28 at 18:08

            lldb has three stages of customization for printing values of a given type. The simplest is "type format" which specifies the format to use (hex, chars, etc) to display scalar entities. The second is "type summary" which allows you to print a one-line string summary of the value. The third is "type synthetic" which allows you to present a value as some kind of structured object (e.g. making std::vector look like an vector of values rather than its internal form.)

            You want to add a "type summary" for this type that parses the data and prints it as a human-readable string.

            Source https://stackoverflow.com/questions/68553738


            BAD_ACCESS_ERR in a simple string copy function in c
            Asked 2022-Jan-26 at 23:34

            I'm implementing a basic string copy function in c like so:



            Answered 2022-Jan-26 at 23:34
            char* dst = "AAAAAAAAAAAA";

            Source https://stackoverflow.com/questions/70871419


            How to install llvm@13 with Homerew on macOS High Sierra 10.13.6? Got "Built target lldELF" error
            Asked 2022-Jan-10 at 17:20

            Although High Sierra is no longer supported by Homebrew, but I need to install llvm@13 formula as a dependency for other formulas. So I tried to install it this way:



            Answered 2021-Nov-26 at 08:27

            Install llvm with debug mode enabled:

            Source https://stackoverflow.com/questions/69906053


            Why the breakpoints set in STL are "skipped/ignored" while using LLDB?
            Asked 2022-Jan-04 at 04:29

            My goal is: I want to step into the some line of code of STL istream. So I used custom built "LIBC++13" with "Debug" build type(the command I used are shown at the bottom), so that (I think) I can get a fully debuggable version of STL, and be able to step into everything I want. But I got a problem.

            Here are my breakpoints settings for istream, BREAKPOINT A(Line 1447) and want to step into Line 310:



            Answered 2022-Jan-03 at 00:35

            By default, lldb treats functions in the std::: namespace the same way as functions without debug information, and auto-steps back out instead of stopping in the function.

            For most users, the fact that you have source information for inlined stl functions is more an accident of the implementation than an indication of interest in those functions; and stepping into STL function bodies is disruptive and not helpful.

            This behavior is controlled by the lldb setting target.process.thread.step-avoid-regex - if lldb steps into a function that matches this regex, lldb will auto-step out again. The default value is:

            Source https://stackoverflow.com/questions/70554765


            Can't create a conditional breakpoint in VSCode-LLDB with Rust
            Asked 2021-Dec-02 at 19:39

            I'm debugging a Rust program in VS-Code with LLDB.

            The documentation on expressions says there's a Python projection of program's vars and structures.

            So I check what it is like in the debugger, and set a breakpoint, but the expression does not work.

            In Variables section, there's ooo, which is a list, with 0th element that has id and it's 0th element has a value I'm looking for. However expression /se ooo[0]['id'][0] == 135654667 raises IndexError in the Python debugger: IndexError: Index '0' is out of range.

            The irony is that when you type that in the debug console, it works and suggests an expression!

            I've tried a native Rust expression:



            Answered 2021-Dec-02 at 19:39

            The support for Rust in the main-line lldb is incomplete. In particular, the expression parser is just the clang expression parser (which doesn't know about Rust). So it will only work on expressions that also parse as C expressions (and use the same calling conventions). And breakpoint conditions are just expressions evaluated when you stop.

            There was an lldb fork with more full Rust support, but it doesn't seem to be actively maintained at present. There's a little more info here:


            Source https://stackoverflow.com/questions/70147773


            Swift NumberFormatter just for thousand
            Asked 2021-Nov-05 at 15:22

            I want to separator in 1000 after 1, but I'm getting separator for numbers >=10000 How I'm doing it:



            Answered 2021-Nov-04 at 18:39

            It sounds like there is possibly a bug with the pl_PL locale in NumberFormatter. I recommend reporting the issue to Apple. You can use the Feedback Assistant app on macOS.

            You could technically implement workarounds, ie hardcoding a locale or trying to do your own formatting, but it's generally not good practice to force a specific format on all users. And implementing formatting on your own can become a rabbit hole of edges cases and be prone to errors.

            Source https://stackoverflow.com/questions/69843103


            FileManager .removeItem(at:) takes long – how do I know when it's done?
            Asked 2021-Sep-21 at 11:39

            My users are able to store files locally in the Documents/ folder. Later, they can delete those files from a list. I delete the files like this:



            Answered 2021-Sep-21 at 11:39

            The solution matt referenced from the question I linked in my original post turns out to work fine – just not in the simulator. It is:

            Source https://stackoverflow.com/questions/69257947


            When do you need to explicitly call std::move and when not in cpp?
            Asked 2021-Sep-09 at 14:20

            I'm working through Stroustrup's "Tour of C++ v2". It's certainly not a C++ beginner's book, but enjoyable.

            I've had a google and look through SO but no joy on this one.

            Now, I thought I understood when the compiler can utilise a move constructor, but clearly I don't. Here I show the move constructor and the function that I thought would use it. It doesn't. Only if I explicitly use std::move. Why is this? My understanding was that the local r would be "moved" implicitly on return.



            Answered 2021-Sep-09 at 14:20

            When do you need to explicitly call std::move and when not in cpp?

            In short, and technically precise words: Use std::move when you have an lvalue that you want to be an rvalue. More practically: You would want to do that when there is a copy that you want instead to be a move. Hence the name std::move.

            In the example, you return an automatic variable. There is no copy that can be avoided by using std::move because in the special case of returning an automatic variable, there will be a move even from an lvalue.

            Here I show the move constructor and the function that I thought would use it. It doesn't.

            Just because there is a move in the abstract machine, doesn't necessarily mean that there would be a call to the move constructor. This is a good thing because doing nothing can potentially be faster than calling the move constructor.

            This is known as (Named) Return Value Optimization. Or more generally copy elision. Using std::move inhibits this optimization, so not only is it unnecessary in this case, but it is also counter productive.

            Source https://stackoverflow.com/questions/69114044


            Unix domain socket bind failed in windows
            Asked 2021-Aug-15 at 19:27

            I'm running the following code in order to create listener to unix domain socket. Under macOS this code is working fine, but in Windows it produces the following error from the tcp_acceptor command : WSAEOPNOTSUPP

            Here's a minimal reproducible example :



            Answered 2021-Aug-15 at 19:27

            The issue seems to be the SO_REUSEADDR socket option, which ASIO by default sets. Setting this option itself succeeds, but causes the subsequent bind to fail.

            Construct the acceptor with reuse_addr = false, then the binding should succeed:

            Source https://stackoverflow.com/questions/68791319

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network


            No vulnerabilities reported

            Install LLDB

            Boom! You're good to go!. You can test to make sure everything worked successfully by just trying one of the commands in the debugger... i.e. (lldb) help methods. I'd recommend cloning. That way when I announce some new script/fix, you can just git pull instead of repeating this whole process.
            To Install, copy/clone the lldb_commands folder to a dir of your choosing.
            Open up (or create) ~/.lldbinit
            Add the following command to your ~/.lldbinit file: command script import /path/to/lldb_commands/dslldb.py


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