cpp-peglib VS scope_guard

Compare cpp-peglib vs scope_guard and see what are their differences.

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cpp-peglib scope_guard
5 3
933 185
1.2% -
6.2 3.7
3 months ago almost 2 years ago
C++ C++
MIT License The Unlicense
The number of mentions indicates the total number of mentions that we've tracked plus the number of user suggested alternatives.
Stars - the number of stars that a project has on GitHub. Growth - month over month growth in stars.
Activity is a relative number indicating how actively a project is being developed. Recent commits have higher weight than older ones.
For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.

cpp-peglib

Posts with mentions or reviews of cpp-peglib. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2025-02-02.
  • Fixing Left and Mutual Recursions in Grammars
    2 projects | news.ycombinator.com | 2 Feb 2025
    Debugging a complex PEG is a nightmarish task. I use various tools, but I couldn't find anything out there that will let you set a breakpoint in a file that's being parsed and let you explore the parsing state.

    The most useful tools I found were adjacent to the cpp-peglib library: https://github.com/yhirose/cpp-peglib

    This comes with a PEG playground: https://yhirose.github.io/cpp-peglib/

    I really liked pegdebug: https://mqnc.github.io/pegdebug/

    With sample output here: https://mqnc.github.io/pegdebug/example/output.html

    pegdebug is nice for small sets of data, but it rapidly gets swamped by anything over about 50 lines.

    If anyone has other suggestions for debugging PEGs, please reply and let me know,.

  • -🎄- 2022 Day 13 Solutions -🎄-
    149 projects | /r/adventofcode | 12 Dec 2022
    I used yhirose's PEG (parsing expression grammar) libraryfor parsing.
  • What are some cool modern libraries you enjoy using?
    32 projects | /r/cpp | 18 Sep 2022
    By the same author, https://github.com/yhirose/cpp-peglib is also very nice.
  • A Good Tool for Resuming Parsers?
    2 projects | /r/cpp_questions | 2 Jan 2022
    Most of the research into this sort of incremental and differential parsing unsurprisingly looks to be in the Haskell community, but I was hoping that someone here might know of some C++-friendly tools that might support generating parsers that support interruption and resuming. cpp-peglib looked really promising, but its parsers don't look like they can be engaged from any but the initial state.
  • yhirose/cpp-peglib - A single file C++ header-only PEG (Parsing Expression Grammars) library
    1 project | /r/programming | 20 Jan 2021

scope_guard

Posts with mentions or reviews of scope_guard. We have used some of these posts to build our list of alternatives and similar projects. The last one was on 2021-04-14.
  • Building a Cloud Database from Scratch: Why We Moved from C++ to Rust
    1 project | news.ycombinator.com | 28 May 2022
    E.g. see this implementation: https://ricab.github.io/scope_guard/

    But also I should make the point that you generally don't need to write defer-like statements at all when using RAII because it's implemented in the actual type. So it's only more code overall for types that are used only once or maybe twice.

  • Possible compiler error ?
    1 project | /r/cpp_questions | 28 Apr 2022
    Meanwhile I will check and use https://github.com/ricab/scope_guard
  • Is WebAssembly magic performance pixie dust?
    8 projects | news.ycombinator.com | 14 Apr 2021
    > low level details leak into your high level description of code, making the two coupled. You can’t make them invisible.

    It's your job to make it not to leak. You have to write Modern C++ wrappers around C libs.

    Similarity, The same can be said for Java. You can do low level in Java.

    C++ is not C. C++ has backward compatibility with C.

    Look at Boost folks, they wrote a Modern C++ wrapper around a C HTTP parser.

    > And as I said, I’m familiar with RAII, it’s really great when the given object is scope-based, but can’t do anything otherwise.

    Nothing is impossible.

    You can use Scope Exit Guard with QT Widget.

    https://github.com/ricab/scope_guard

    > And if the new subclass has some non-standard object life cycle you HAVE to handle that case somewhere else, modifying another aspect of the code. It is not invisible, unless you want leaking code/memory corruption.

    Again, Scope Exit Guards solve your problem!

What are some alternatives?

When comparing cpp-peglib and scope_guard you can also consider the following projects:

PEGTL - Parsing Expression Grammar Template Library

maddy - C++ Markdown to HTML header-only parser library

ctpg - Compile Time Parser Generator is a C++ single header library which takes a language description as a C++ code and turns it into a LR1 table parser with a deterministic finite automaton lexical analyzer, all in compile time.

expresscpp - Fast, unopinionated, minimalist web framework for C++ Perfect for building REST APIs

scnlib - scanf for modern C++

iswasmfast - Performance comparison of WebAssembly, C++ Addon, and native implementations of various algorithms in Node.js.

filter_spirit - Advanced item filter generator for Path of Exile that uses it's own DSL and online item price APIs

influxdb-cpp - 💜 C++ client for InfluxDB.

flex - The Fast Lexical Analyzer - scanner generator for lexing in C and C++

human-asmjs - Tips and tricks for writing asm.js as a human - Note: WebAssembly has replaced asm.js, so this is no longer maintained.

AdventOfCode

expected-lite - expected lite - Expected objects in C++11 and later in a single-file header-only library

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Other PDF SDKs promise a lot - then break. Laggy scrolling, poor mobile UX, tons of bugs, and lack of support cost you endless frustrations. Nutrient’s SDK handles billion-page workloads - so you don’t have to debug PDFs. Used by ~1 billion end users in more than 150 different countries.
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