diff options
-rw-r--r-- | build2/functions-name.cxx | 83 |
1 files changed, 82 insertions, 1 deletions
diff --git a/build2/functions-name.cxx b/build2/functions-name.cxx index 1bdff11..37549b3 100644 --- a/build2/functions-name.cxx +++ b/build2/functions-name.cxx @@ -2,6 +2,7 @@ // copyright : Copyright (c) 2014-2018 Code Synthesis Ltd // license : MIT; see accompanying LICENSE file +#include <build2/scope.hxx> #include <build2/function.hxx> #include <build2/variable.hxx> @@ -9,10 +10,90 @@ using namespace std; namespace build2 { + // Convert name to target'ish name (see below for the 'ish part). Return + // raw/unprocessed data in case this is an unknown target type (or called + // out of scope). See scope::find_target_type() for details. + // + static pair<name, optional<string>> + to_target (const scope* s, name&& n) + { + optional<string> e; + + if (s != nullptr) + { + auto rp (s->find_target_type (n, location ())); + + if (rp.first != nullptr) + n.type = rp.first->name; + + e = move (rp.second); + } + + return make_pair (move (n), move (e)); + } + void name_functions () { - // function_family f ("name"); + function_family f ("name"); + + // These functions treat a name as a target/prerequisite name. + // + // While on one hand it feels like calling them target.name(), etc., would + // have been more appropriate, on the other hand they can also be called + // on prerequisite names. They also won't always return the same result as + // if we were interrogating an actual target (e.g., the directory may be + // relative). + // + f["name"] = [](const scope* s, name n) + { + return to_target (s, move (n)).first.value; + }; + f["name"] = [](const scope* s, names ns) + { + return to_target (s, convert<name> (move (ns))).first.value; + }; + + // Note: returns NULL if extension is unspecified (default) and empty if + // specified as no extension. + // + f["extension"] = [](const scope* s, name n) + { + return to_target (s, move (n)).second; + }; + f["extension"] = [](const scope* s, names ns) + { + return to_target (s, convert<name> (move (ns))).second; + }; + + f["directory"] = [](const scope* s, name n) + { + return to_target (s, move (n)).first.dir; + }; + f["directory"] = [](const scope* s, names ns) + { + return to_target (s, convert<name> (move (ns))).first.dir; + }; + + f["target_type"] = [](const scope* s, name n) + { + return to_target (s, move (n)).first.type; + }; + f["target_type"] = [](const scope* s, names ns) + { + return to_target (s, convert<name> (move (ns))).first.type; + }; + + // Note: returns NULL if no project specified. + // + f["project"] = [](const scope* s, name n) + { + return to_target (s, move (n)).first.proj; + }; + f["project"] = [](const scope* s, names ns) + { + return to_target (s, convert<name> (move (ns))).first.proj; + }; // Name-specific overloads from builtins. // |