{"id":16366865,"url":"https://github.com/lideming/sharprpn","last_synced_at":"2026-02-17T10:30:18.421Z","repository":{"id":117026862,"uuid":"355839142","full_name":"lideming/SharpRPN","owner":"lideming","description":"An RPN programming language","archived":false,"fork":false,"pushed_at":"2021-05-17T16:36:13.000Z","size":35,"stargazers_count":2,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"master","last_synced_at":"2024-12-31T01:42:12.947Z","etag":null,"topics":["csharp","interpreter","parser","rpn","rpn-calculator","rpn-expression"],"latest_commit_sha":null,"homepage":"","language":"C#","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":"mit","status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/lideming.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":"LICENSE","code_of_conduct":null,"threat_model":null,"audit":null,"citation":null,"codeowners":null,"security":null,"support":null,"governance":null,"roadmap":null,"authors":null,"dei":null,"publiccode":null,"codemeta":null}},"created_at":"2021-04-08T09:16:33.000Z","updated_at":"2024-05-18T18:40:37.000Z","dependencies_parsed_at":null,"dependency_job_id":"ff54905c-3d50-4514-abbb-bdb0101b73af","html_url":"https://github.com/lideming/SharpRPN","commit_stats":null,"previous_names":[],"tags_count":0,"template":false,"template_full_name":null,"repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lideming%2FSharpRPN","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lideming%2FSharpRPN/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lideming%2FSharpRPN/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/lideming%2FSharpRPN/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/lideming","download_url":"https://codeload.github.com/lideming/SharpRPN/tar.gz/refs/heads/master","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":239828596,"owners_count":19703902,"icon_url":"https://github.com/github.png","version":null,"created_at":"2022-05-30T11:31:42.601Z","updated_at":"2022-07-04T15:15:14.044Z","host_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub","repositories_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories","repository_names_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repository_names","owners_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners"}},"keywords":["csharp","interpreter","parser","rpn","rpn-calculator","rpn-expression"],"created_at":"2024-10-11T02:47:49.582Z","updated_at":"2026-02-17T10:30:18.346Z","avatar_url":"https://github.com/lideming.png","language":"C#","funding_links":[],"categories":[],"sub_categories":[],"readme":"# SharpRPN\n\nSharpRPN is a stack machine with an [RPN](https://en.wikipedia.org/wiki/Reverse_Polish_notation) programming language,\ninspired by [RPL](https://en.wikipedia.org/wiki/RPL_(programming_language)) on HP calculators.\n\n![SharpRPN image](assets/demo.svg)\n\nUse as a calculator:\n```\nInput: 1\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  1 │ 1     │ Int32  \n                     \nInput: 2\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  2 │ 1     │ Int32  \n  1 │ 2     │ Int32  \n                     \nInput: +\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  1 │ 3     │ Int32  \n                     \nInput: 3 4 + *\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  1 │ 21    │ Int32  \n                     \nInput: 1 2 3 * 4 + +\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  2 │ 21    │ Int32  \n  1 │ 11    │ Int32  \n```\n\nDrop an item from stack or clear all items:\n\n```\n  # │ Value │ Type   \n ───┼───────┼─────── \n  2 │ 21    │ Int32  \n  1 │ 11    │ Int32  \n                     \nInput: drop\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  1 │ 21    │ Int32  \n                     \nInput: clear\nStack empty\n```\n\nSet value to variable:\n```\nInput: 1 'foo' sto\nStack empty\nInput: foo\n                     \n  # │ Value │ Type   \n ───┼───────┼─────── \n  1 │ 1     │ Int32  \n```\n\nCodeblocks:\n```\nInput: { 'hello world!' 1 2 + }\n                                            \n  # │ Value                    │ Type       \n ───┼──────────────────────────┼─────────── \n  1 │ { 'hello world!' 1 2 + } │ CodeBlock  \n                                            \nInput: eval\n                             \n  # │ Value        │ Type    \n ───┼──────────────┼──────── \n  2 │ hello world! │ String  \n  1 │ 3            │ Int32   \n```\n\nInput and condition:\n```\nInput: { 'Correct\\n' print } { 'Wrong\\n' print } \"What's the answer? \" print input '42' == evalifelse\nWhat's the answer? 42                   \nCorrect\n```\n\n\n## Try it now\n\n### Build and run from source\n\n(.NET Core 3.1 SDK required)\n\n```shell\ngit clone https://github.com/lideming/SharpRPN.git\ncd SharpRPN\ndotnet run\n```\n\n### Run prebuilt binaries\n\n(.NET Core 3.1 Runtime required)\n\nDownload the latest build from [Github Actions](https://github.com/lideming/SharpRPN/actions).\n\n### Run in Docker [![Docker Image Size (tag)](https://img.shields.io/docker/image-size/yuuza/sharprpn/latest?label=yuuza%2Fsharprpn%3Alatest)](https://hub.docker.com/r/yuuza/sharprpn)\n\n```shell\ndocker run -it yuuza/sharprpn\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flideming%2Fsharprpn","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Flideming%2Fsharprpn","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Flideming%2Fsharprpn/lists"}