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Allow to narrow output of workspace to subset referenced by pattern.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,106 @@ | ||
| // bant - Bazel Navigation Tool | ||
| // Copyright (C) 2024 Henner Zeller <[email protected]> | ||
| // | ||
| // This program is free software; you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation; either version 2 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License along | ||
| // with this program; if not, write to the Free Software Foundation, Inc., | ||
| // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|
|
||
| #include "bant/tool/workspace.h" | ||
|
|
||
| #include <string_view> | ||
| #include <vector> | ||
|
|
||
| #include "absl/strings/str_cat.h" | ||
| #include "bant/explore/query-utils.h" | ||
| #include "bant/frontend/parsed-project.h" | ||
| #include "bant/session.h" | ||
| #include "bant/types-bazel.h" | ||
| #include "bant/types.h" | ||
| #include "bant/util/file-utils.h" | ||
| #include "bant/util/table-printer.h" | ||
| #include "bant/workspace.h" | ||
|
|
||
| // TODO: output that shows project dependencies, possibly as graphviz. | ||
| // (though maybe better as separate command) | ||
|
|
||
| namespace bant { | ||
| static void PrintExternalRepos( | ||
| Session &session, | ||
| const OneToOne<VersionedProject, FilesystemPath> &external_repos) { | ||
| auto printer = | ||
| TablePrinter::Create(session.out(), session.flags().output_format, | ||
| {"project", "version", "directory"}); | ||
| for (const auto &[project, file] : external_repos) { | ||
| printer->AddRow({project.project, | ||
| project.version.empty() ? "-" : project.version, | ||
| file.path()}); | ||
| } | ||
| printer->Finish(); | ||
| } | ||
|
|
||
| void PrintMatchingWorkspaceExternalRepos(Session &session, | ||
| const ParsedProject &project, | ||
| const BazelPattern &pattern) { | ||
| const BazelWorkspace &global_workspace = project.workspace(); | ||
| if (pattern.is_matchall()) { | ||
| // The whole workspace. | ||
| PrintExternalRepos(session, global_workspace.project_location); | ||
| return; | ||
| } | ||
|
|
||
| BazelWorkspace matching_workspace_subset; | ||
| // If we have a pattern, look through the project and fish out all the | ||
| // different projects we see. | ||
| for (const auto &[_, parsed_package] : project.ParsedFiles()) { | ||
| const BazelPackage ¤t_package = parsed_package->package; | ||
| if (!pattern.Match(current_package)) { | ||
| continue; | ||
| } | ||
| query::FindTargets( | ||
| parsed_package->ast, {}, [&](const query::Result &details) { | ||
| std::vector<std::string_view> potential_external_refs; | ||
| if (details.rule == "load") { // load() calls at package level. | ||
| // load() has positional arguments. | ||
| potential_external_refs = | ||
| query::ExtractStringList(details.node->argument()); | ||
| } else { | ||
| // Classical cc_library() etc that has dependencies. | ||
| auto target = BazelTarget::ParseFrom(absl::StrCat(":", details.name), | ||
| current_package); | ||
| if (!target.has_value() || !pattern.Match(*target)) { | ||
| return; | ||
| } | ||
| potential_external_refs = query::ExtractStringList(details.deps_list); | ||
| } | ||
|
|
||
| // Alright, now let's check these if they reference external projects. | ||
| for (const std::string_view ref : potential_external_refs) { | ||
| const auto ref_target = BazelTarget::ParseFrom(ref, current_package); | ||
| if (!ref_target.has_value()) continue; // could not parse. | ||
|
|
||
| // We're only interested in printing projects other than our own. | ||
| const std::string &project = ref_target->package.project; | ||
| if (project.empty() || project == current_package.project) continue; | ||
|
|
||
| // If in global workspace, transfer to our selected subset. | ||
| const auto found = global_workspace.FindEntryByProject(project); | ||
| if (found == global_workspace.project_location.end()) continue; | ||
|
|
||
| // TODO: maybe actually report where this was ? We have all the info. | ||
| matching_workspace_subset.project_location.insert(*found); | ||
| } | ||
| }); | ||
| } | ||
| PrintExternalRepos(session, matching_workspace_subset.project_location); | ||
| } | ||
| } // namespace bant |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,34 @@ | ||
| // bant - Bazel Navigation Tool | ||
| // Copyright (C) 2024 Henner Zeller <[email protected]> | ||
| // | ||
| // This program is free software; you can redistribute it and/or modify | ||
| // it under the terms of the GNU General Public License as published by | ||
| // the Free Software Foundation; either version 2 of the License, or | ||
| // (at your option) any later version. | ||
| // | ||
| // This program is distributed in the hope that it will be useful, | ||
| // but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| // GNU General Public License for more details. | ||
| // | ||
| // You should have received a copy of the GNU General Public License along | ||
| // with this program; if not, write to the Free Software Foundation, Inc., | ||
| // 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
|
|
||
| #ifndef BANT_TOOL_WORKSPACE_H | ||
| #define BANT_TOOL_WORKSPACE_H | ||
|
|
||
| #include "bant/frontend/parsed-project.h" | ||
| #include "bant/session.h" | ||
| #include "bant/types-bazel.h" | ||
|
|
||
| namespace bant { | ||
| // Print versions and paths for external projects mentioned in the workspace. | ||
| // If "pattern" is not matchall, it only prints external projects mentioned | ||
| // in dependencies that match. | ||
| void PrintMatchingWorkspaceExternalRepos(Session &session, | ||
| const ParsedProject &project, | ||
| const BazelPattern &pattern); | ||
|
|
||
| } // namespace bant | ||
| #endif // BANT_TOOL_WORKSPACE_H |
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