diff options
Diffstat (limited to 'libbuild2/operation.cxx')
| -rw-r--r-- | libbuild2/operation.cxx | 217 |
1 files changed, 211 insertions, 6 deletions
diff --git a/libbuild2/operation.cxx b/libbuild2/operation.cxx index 68666cb..72b73f9 100644 --- a/libbuild2/operation.cxx +++ b/libbuild2/operation.cxx @@ -6,6 +6,10 @@ #include <iostream> // cout #include <unordered_map> +#ifndef BUILD2_BOOTSTRAP +# include <libbutl/json/serializer.hxx> +#endif + #include <libbuild2/file.hxx> #include <libbuild2/scope.hxx> #include <libbuild2/target.hxx> @@ -594,6 +598,36 @@ namespace build2 // info // + + // Note: similar approach to forward() in configure. + // + static bool + info_json (const values& params, + const char* mo = nullptr, + const location& l = location ()) + { + if (params.size () == 1) + { + const names& ns (cast<names> (params[0])); + + if (ns.size () == 1 && ns[0].simple () && ns[0].value == "json") + return true; + else if (!ns.empty ()) + fail (l) << "unexpected parameter '" << ns << "' for " + << "meta-operation " << mo; + } + else if (!params.empty ()) + fail (l) << "unexpected parameters for meta-operation " << mo; + + return false; + } + + static void + info_pre (context&, const values& params, const location& l) + { + info_json (params, "info", l); // Validate. + } + static operation_id info_operation_pre (context&, const values&, operation_id o) { @@ -644,7 +678,7 @@ namespace build2 } static void - info_execute (const values&, action, action_targets& ts, uint16_t, bool) + info_execute_lines (action_targets& ts) { for (size_t i (0); i != ts.size (); ++i) { @@ -695,6 +729,20 @@ namespace build2 cout << ' ' << *p; }; + // Print a potentially null/empty directory path without trailing slash. + // + auto print_dir = [] (const dir_path& d) + { + if (!d.empty ()) + cout << ' ' << d.string (); + }; + + auto print_pdir = [&print_dir] (const dir_path* d) + { + if (d != nullptr) + print_dir (*d); + }; + // This could be a simple project that doesn't set project name. // cout @@ -702,9 +750,9 @@ namespace build2 << "version:" ; print_empty (cast_empty<string> (rs[ctx.var_version])); cout << endl << "summary:" ; print_empty (cast_empty<string> (rs[ctx.var_project_summary])); cout << endl << "url:" ; print_empty (cast_empty<string> (rs[ctx.var_project_url])); cout << endl - << "src_root: " << cast<dir_path> (rs[ctx.var_src_root]) << endl - << "out_root: " << cast<dir_path> (rs[ctx.var_out_root]) << endl - << "amalgamation:" ; print_null (*rs.root_extra->amalgamation); cout << endl + << "src_root:" ; print_dir (cast<dir_path> (rs[ctx.var_src_root])); cout << endl + << "out_root:" ; print_dir (cast<dir_path> (rs[ctx.var_out_root])); cout << endl + << "amalgamation:" ; print_pdir (*rs.root_extra->amalgamation); cout << endl << "subprojects:" ; print_null (*rs.root_extra->subprojects); cout << endl << "operations:" ; print_ops (rs.root_extra->operations, ctx.operation_table); cout << endl << "meta-operations:"; print_ops (rs.root_extra->meta_operations, ctx.meta_operation_table); cout << endl @@ -712,6 +760,163 @@ namespace build2 } } +#ifndef BUILD2_BOOTSTRAP + static void + info_execute_json (action_targets& ts) + { + json::stream_serializer s (cout); + s.begin_array (); + + for (size_t i (0); i != ts.size (); ++i) + { + const scope& rs (ts[i].as<scope> ()); + + context& ctx (rs.ctx); + + s.begin_object (); + + // Print a potentially empty string. + // + auto print_string = [&s] (const char* n, + const string& v, + bool check = false) + { + if (!v.empty ()) + s.member (n, v, check); + }; + + // Print a potentially null/empty directory path without trailing slash. + // + auto print_dir = [&s] (const char* n, const dir_path& v) + { + if (!v.empty ()) + s.member (n, v.string ()); + }; + + auto print_pdir = [&print_dir] (const char* n, const dir_path* v) + { + if (v != nullptr) + print_dir (n, *v); + }; + + // Print [meta_]operation names (see info_lines() for details). + // + auto print_ops = [&s] (const char* name, + const auto& ov, + const auto& ot, + const auto& printer) + { + s.member_name (name, false /* check */); + + s.begin_array (); + + for (uint8_t id (2); id < ov.size (); ++id) + { + if (ov[id] != nullptr) + printer (ot[id]); + } + + s.end_array (); + }; + + // Note that we won't check some values for being valid UTF-8, since + // their characters belong to even stricter character sets and/or are + // read from buildfile which is already verified to be valid UTF-8. + // + print_string ("project", project (rs).string ()); + print_string ("version", cast_empty<string> (rs[ctx.var_version])); + print_string ("summary", cast_empty<string> (rs[ctx.var_project_summary])); + print_string ("url", cast_empty<string> (rs[ctx.var_project_url])); + print_dir ("src_root", cast<dir_path> (rs[ctx.var_src_root])); + print_dir ("out_root", cast<dir_path> (rs[ctx.var_out_root])); + print_pdir ("amalgamation", *rs.root_extra->amalgamation); + + // Print subprojects. + // + { + const subprojects* sps (*rs.root_extra->subprojects); + + if (sps != nullptr && !sps->empty ()) + { + s.member_name ("subprojects", false /* check */); + s.begin_array (); + + for (const auto& sp: *sps) + { + s.begin_object (); + + print_dir ("path", sp.second); + + // See find_subprojects() for details. + // + const string& n (sp.first.string ()); + + if (!path::traits_type::is_separator (n.back ())) + print_string ("name", n); + + s.end_object (); + } + + s.end_array (); + } + } + + print_ops ("operations", + rs.root_extra->operations, + ctx.operation_table, + [&s] (const string& v) {s.value (v, false /* check */);}); + + print_ops ("meta-operations", + rs.root_extra->meta_operations, + ctx.meta_operation_table, + [&s] (const meta_operation_data& v) + { + s.value (v.name, false /* check */); + }); + + // Print modules. + // + if (!rs.root_extra->modules.empty ()) + { + s.member_name ("modules", false /* check */); + s.begin_array (); + + for (const module_state& ms: rs.root_extra->modules) + s.value (ms.name, false /* check */); + + s.end_array (); + } + + s.end_object (); + } + + s.end_array (); + cout << endl; + } +#else + static void + info_execute_json (action_targets&) + { + } +#endif //BUILD2_BOOTSTRAP + + static void + info_execute (const values& params, + action, + action_targets& ts, + uint16_t, + bool) + { + // Note that both outputs will not be "ideal" if the user does something + // like `b info(foo/) info(bar/)` instead of `b info(foo/ bar/)`. Oh, + // well. + // + if (info_json (params)) + info_execute_json (ts); + else + info_execute_lines (ts); + } + const meta_operation_info mo_info { info_id, "info", @@ -719,8 +924,8 @@ namespace build2 "", "", "", - false, // bootstrap_outer - nullptr, // meta-operation pre + false, // bootstrap_outer + &info_pre, // meta-operation pre &info_operation_pre, &info_load, &info_search, |