{"id":24834664,"url":"https://github.com/na-trium-144/nullp-checker","last_synced_at":"2025-07-01T12:03:46.007Z","repository":{"id":185023031,"uuid":"672864728","full_name":"na-trium-144/nullp-checker","owner":"na-trium-144","description":"nullptr checker for c++ smart pointer","archived":false,"fork":false,"pushed_at":"2023-08-03T14:17:13.000Z","size":9,"stargazers_count":0,"open_issues_count":0,"forks_count":0,"subscribers_count":1,"default_branch":"main","last_synced_at":"2025-07-01T12:03:05.323Z","etag":null,"topics":["cpp11","null-check","null-safety"],"latest_commit_sha":null,"homepage":"","language":"C++","has_issues":true,"has_wiki":null,"has_pages":null,"mirror_url":null,"source_name":null,"license":null,"status":null,"scm":"git","pull_requests_enabled":true,"icon_url":"https://github.com/na-trium-144.png","metadata":{"files":{"readme":"README.md","changelog":null,"contributing":null,"funding":null,"license":null,"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,"zenodo":null}},"created_at":"2023-07-31T10:43:33.000Z","updated_at":"2023-08-07T16:21:03.000Z","dependencies_parsed_at":"2023-07-31T11:37:49.435Z","dependency_job_id":"a1603366-81ba-4f98-a1d8-d1f9fdc04976","html_url":"https://github.com/na-trium-144/nullp-checker","commit_stats":null,"previous_names":["na-trium-144/nullp-checker"],"tags_count":0,"template":false,"template_full_name":null,"purl":"pkg:github/na-trium-144/nullp-checker","repository_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/na-trium-144%2Fnullp-checker","tags_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/na-trium-144%2Fnullp-checker/tags","releases_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/na-trium-144%2Fnullp-checker/releases","manifests_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/na-trium-144%2Fnullp-checker/manifests","owner_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/owners/na-trium-144","download_url":"https://codeload.github.com/na-trium-144/nullp-checker/tar.gz/refs/heads/main","sbom_url":"https://repos.ecosyste.ms/api/v1/hosts/GitHub/repositories/na-trium-144%2Fnullp-checker/sbom","host":{"name":"GitHub","url":"https://github.com","kind":"github","repositories_count":262959563,"owners_count":23391057,"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":["cpp11","null-check","null-safety"],"created_at":"2025-01-31T03:33:37.448Z","updated_at":"2025-07-01T12:03:45.977Z","avatar_url":"https://github.com/na-trium-144.png","language":"C++","funding_links":[],"categories":[],"sub_categories":[],"readme":"# ぬるぽチェッカー\n\nc++のスマートポインタ(や配列)を置き換え、nullptr(や範囲外)にアクセスしたときに変数名とともに例外を投げます\n\n## usage\n* STLの各種クラスをnpchkのクラスで置き換えて使います\n\t* `std::shared_ptr\u003cT\u003e` → `npchk::shared_ptr\u003cT\u003e`\n\t* `std::array\u003cT, N\u003e` → `npchk::array\u003cT, N\u003e`\n\t* `std::vector\u003cT\u003e` → `npchk::array\u003cT\u003e`\n\t* `std::deque\u003cT\u003e` → `npchk::deque\u003cT\u003e`\n* エラーメッセージの表示のために変数名を登録する必要があります\n\t* 変数の定義時に`NPCHK`マクロを使用すると自動で設定できます\n\t\t* `NPCHK`マクロはnpchkのクラスがネストしていても(例えば`npchk::array\u003cnpchk::shared_ptr\u003cint\u003e,3\u003e`とか)使えます\n\t\t* 型のテンプレートに`,`を含む場合は型名全体を`( )`で囲う\n\t\t* マクロ1つで変数8個まで同時に定義できます\n\t\t* inlineは`inline NPCHK(...);`\n\t\t* externは普通に宣言し定義時にのみ`NPCHK`を使う\n\t\t```c++\n\t\t// std::array\u003cint, 3\u003e var の代わりに\n\t\tNPCHK((npchk::array\u003cint, 3\u003e), var);\n\t\t```\n\t* または`var.setName(\"var\");`\n\t\t* これもnpchkのクラスがネストしている場合は再帰的に設定されます\n\n## example\n```c++\n#include \"npchk.hpp\"\n#include \u003cmemory\u003e\n#include \u003ciostream\u003e\n\nstruct Hoge {\n    int val;\n    Hoge(int val) : val(val) {}\n};\n\nNPCHK(npchk::shared_ptr\u003cHoge\u003e, hoge1, hoge2);\n\nint main() {\n    hoge1 = std::make_shared\u003cHoge\u003e(3);\n    std::cout \u003c\u003c hoge1-\u003eval \u003c\u003c std::endl;\n    std::cout \u003c\u003c hoge2-\u003eval \u003c\u003c std::endl;\n}\n```\n\n```\n3\nterminate called after throwing an instance of 'std::runtime_error'\n  what():  hoge2 is nullptr\n中止 (コアダンプ)\n```\n","project_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fna-trium-144%2Fnullp-checker","html_url":"https://awesome.ecosyste.ms/projects/github.com%2Fna-trium-144%2Fnullp-checker","lists_url":"https://awesome.ecosyste.ms/api/v1/projects/github.com%2Fna-trium-144%2Fnullp-checker/lists"}