diff options
Diffstat (limited to 'libbuild2/functions-builtin.cxx')
| -rw-r--r-- | libbuild2/functions-builtin.cxx | 70 |
1 files changed, 69 insertions, 1 deletions
diff --git a/libbuild2/functions-builtin.cxx b/libbuild2/functions-builtin.cxx index 2adff38..d040ba8 100644 --- a/libbuild2/functions-builtin.cxx +++ b/libbuild2/functions-builtin.cxx @@ -11,6 +11,27 @@ using namespace std; namespace build2 { + // Note: not static since used by type-specific sort() implementations. + // + bool + functions_sort_flags (optional<names> fs) + { + bool r (false); + if (fs) + { + for (name& f: *fs) + { + string s (convert<string> (move (f))); + + if (s == "dedup") + r = true; + else + throw invalid_argument ("invalid flag '" + s + "'"); + } + } + return r; + }; + void builtin_functions (function_map& m) { @@ -57,7 +78,6 @@ namespace build2 f["string"] += [](bool b) {return b ? "true" : "false";}; f["string"] += [](int64_t i) {return to_string (i);}; f["string"] += [](uint64_t i) {return to_string (i);}; - f["string"] += [](name n) {return to_string (n);}; // Quote a value returning its string representation. If escape is true, // then also escape (with a backslash) the quote characters being added @@ -80,6 +100,54 @@ namespace build2 return os.str (); }; + // $sort(<names> [, <flags>]) + // + // Sort names in ascending order. + // + // See also type-specific overloads. + // + // The following flags are supported: + // + // dedup - in addition to sorting also remove duplicates + // + f["sort"] += [] (names v, optional<names> fs) + { + sort (v.begin (), v.end ()); + + if (functions_sort_flags (move (fs))) + v.erase (unique (v.begin(), v.end()), v.end ()); + + return v; + }; + + // $sort(<ints> [, <flags>]) + // + // Sort integers in ascending order. + // + // The following flags are supported: + // + // dedup - in addition to sorting also remove duplicates + // + f["sort"] += [](int64s v, optional<names> fs) + { + sort (v.begin (), v.end ()); + + if (functions_sort_flags (move (fs))) + v.erase (unique (v.begin(), v.end()), v.end ()); + + return v; + }; + + f["sort"] += [](uint64s v, optional<names> fs) + { + sort (v.begin (), v.end ()); + + if (functions_sort_flags (move (fs))) + v.erase (unique (v.begin(), v.end()), v.end ()); + + return v; + }; + // getenv // // Return NULL if the environment variable is not set, untyped value |