# Install cpp-peglib with Homebrew, MacPorts Header-only PEG (Parsing Expression Grammars) library for C++. Version 1.15.0 via Homebrew; verified 2026-07-03. ## Install ```sh sudo av install brew:cpp-peglib ``` Additional install commands: ### macOS - Homebrew (100%): ```sh brew install cpp-peglib ``` Evidence: local Homebrew formula metadata - MacPorts (94%): ```sh sudo port install cpp-peglib ``` Evidence: MacPorts ports tree: devel/cpp-peglib/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Package facts - **Package key:** brew:cpp-peglib - **Package manager:** Homebrew - **Package manager page:** - **Version:** 1.15.0 - **Source summary:** Header-only PEG (Parsing Expression Grammars) library for C++ - **Homepage:** - **Repository:** - **Upstream docs:** - **License:** MIT - **Source archive:** - **Last updated:** 2026-07-03T00:29:13Z - **Generated:** 2026-07-08T07:18:31+00:00 ## Executables - peglint (cli) - peglint (alias) ## Build dependencies - cmake ## Install behavior - Post-install hook: not defined - Bottle: available on arm64_linux, arm64_sequoia, arm64_sonoma, arm64_tahoe, sonoma, x86_64_linux ## Freshness - Page generated: 2026-07-08 - Package-manager version: 1.15.0 - Package-manager updated: 2026-07-03 - Local data: ok - Upstream repository: https://github.com/yhirose/cpp-peglib - Upstream latest detected: v1.15.0 (current) ## Project history and usage cpp-peglib is Yuji Hirose's single-header C++ PEG parser library. It packages Parsing Expression Grammar support as a C++17 header-only dependency, with peglint as the command-line tool exposed by the Homebrew formula. ### Project history The public GitHub repository was created in February 2015. Upstream describes the project as a C++17 header-only PEG library that can be used by including peglib.h directly in a project. The README documents support for packrat parsing, left-recursive grammars, semantic actions, grammar loading, and an online PEG Playground. That positioning makes the project attractive to users who want parser-combinator-like ergonomics without a generated parser build step. ### Adoption history The supplied package facts list Homebrew and MacPorts. Header-only C++ libraries are often consumed directly from source, so package-manager adoption mainly helps users install the header and peglint consistently. ### How it is used cpp-peglib is used to embed PEG grammars into C++ applications, build small DSL parsers, and lint grammar definitions. Upstream examples show calculator grammars, semantic actions, error logging, token boundaries, predicates, and packrat parsing. ### Why package nerds care For package maintainers, cpp-peglib is a tidy example of a header-only C++ library with a useful companion executable. Its C++17 requirement and pthread note for some Linux distributions are the main packaging details. ### Timeline - 2015: Public GitHub repository created. - 2015: Early upstream tags include v0.1.x releases. - 2026: Upstream releases include v1.12.0. ### Related projects - The README links cpp-peglib to Parsing Expression Grammars and packrat parsing literature. - PEG Playground is the upstream online demonstration for cpp-peglib. ### Sources - - - ## Security Notes library-like package without higher-risk signals. - **Geiger risk:** green / low - library-like package without higher-risk signals ## Source Database Details - **Source Database:** Homebrew formula API - **Tap:** homebrew/core - **Full Name:** cpp-peglib - **Version Scheme:** 0 - **Revision:** 0 - **Bottle Stable Root URL:** - **Deprecated:** no - **Disabled:** no - **Keg Only:** no - **URL Keys:** stable ## Other Package-Manager Records - MacPorts - cpp-peglib: normalized package name match | MacPorts ports tree: devel/cpp-peglib/Portfile from https://api.github.com/repos/macports/macports-ports/git/trees/master?recursive=1 ## Related links - [Source-control packages](https://www.automicvault.com/pkg/source-control-tools/) - Belongs to a source-control command family. - [Terminal utility packages](https://www.automicvault.com/pkg/terminal-utilities/) - Matched terminal and command-line workflow metadata. - [Text processing packages](https://www.automicvault.com/pkg/text-processing-tools/) - Matched text, document, or structured-data processing metadata. - [Developer build packages](https://www.automicvault.com/pkg/developer-build-tools/) - Matched build, compiler, generator, or developer workflow metadata. - [cmake](https://www.automicvault.com/pkg/brew/cmake/) - Build dependency declared by Homebrew. - [htmlcxx](https://www.automicvault.com/pkg/brew/htmlcxx/) - Shares av.db curated category or tags: c-plus-plus, cli, developer-tools, library, parser. - [btparse](https://www.automicvault.com/pkg/brew/btparse/) - Shares av.db curated category or tags: cli, developer-tools, library, parser, parsing. - [sqlparse](https://www.automicvault.com/pkg/brew/sqlparse/) - Shares av.db curated category or tags: cli, developer-tools, library, parser, parsing. - [urdfdom](https://www.automicvault.com/pkg/brew/urdfdom/) - Shares av.db curated category or tags: cli, developer-tools, library, parser, parsing. - [htmlcleaner](https://www.automicvault.com/pkg/brew/htmlcleaner/) - Shares av.db curated category or tags: cli, developer-tools, parser, parsing. - [libfyaml](https://www.automicvault.com/pkg/brew/libfyaml/) - Shares av.db curated category or tags: cli, developer-tools, parser, parsing. - [cctz](https://www.automicvault.com/pkg/brew/cctz/) - Shares av.db curated category or tags: c-plus-plus, cli, developer-tools, library. - [ctemplate](https://www.automicvault.com/pkg/brew/ctemplate/) - Shares av.db curated category or tags: c-plus-plus, cli, developer-tools, library. - [pybind11](https://www.automicvault.com/pkg/brew/pybind11/) - Local package facts share a topical domain. Shared terms: cli, cpp, developer, developer-tools, header. ## Combined YAML source View the package source record on GitHub. [combined/cpp-peglib.yml](https://github.com/automic-vault/db/blob/main/combined/cpp-peglib.yml) ## Sources - Nucleus package database - Geiger risk classifier - package-page enrichment - curated package history - package version freshness - av.db category and tag curation - package relationship graph - external package-manager database matches - cross-ecosystem install command graph