diff options
Diffstat (limited to 'libbuild2/functions-builtin.cxx')
| -rw-r--r-- | libbuild2/functions-builtin.cxx | 158 |
1 files changed, 0 insertions, 158 deletions
diff --git a/libbuild2/functions-builtin.cxx b/libbuild2/functions-builtin.cxx index de79538..9785f3a 100644 --- a/libbuild2/functions-builtin.cxx +++ b/libbuild2/functions-builtin.cxx @@ -32,56 +32,6 @@ namespace build2 return r; }; - static const char hex_digits[] = "0123456789abcdef"; - - static string - to_string (uint64_t i, optional<value> base, optional<value> width) - { - uint64_t b (base ? convert<uint64_t> (move (*base)) : 10); - size_t w (width - ? static_cast<size_t> (convert<uint64_t> (move (*width))) - : 0); - - // One day we can switch to C++17 std::to_chars(). - // - string r; - switch (b) - { - case 10: - { - r = to_string (i); - if (w > r.size ()) - r.insert (0, w - r.size (), '0'); - break; - } - case 16: - { - r.reserve (18); - r += "0x"; - - for (size_t j (64); j != 0; ) - { - j -= 4; - size_t d ((i >> j) & 0x0f); - - // Omit leading zeros but watch out for the i==0 corner case. - // - if (d != 0 || r.size () != 2 || j == 0) - r += hex_digits[d]; - } - - if (w > r.size () - 2) - r.insert (2, w - (r.size () - 2), '0'); - - break; - } - default: - throw invalid_argument ("unsupported base"); - } - - return r; - } - void builtin_functions (function_map& m) { @@ -123,46 +73,6 @@ namespace build2 f["identity"] += [](value* v) {return move (*v);}; - // $integer_sequence(<begin>, <end>[, <step>]) - // - // Return the list of uint64 integers starting from <begin> (including) to - // <end> (excluding) with the specified <step> or 1 if unspecified. If - // <begin> is greater than <end>, empty list is returned. - // - // Note that currently negative numbers are not supported but this could - // be handled if required (e.g., by returning int64s in this case). - // - // Note also that we could improve this by adding a shortcut to get the - // indexes of a list (for example, $indexes(<list>) plus potentially a - // similar $keys() function for maps). - // - f["integer_sequence"] += [](value begin, value end, optional<value> step) - { - uint64_t b (convert<uint64_t> (move (begin))); - uint64_t e (convert<uint64_t> (move (end))); - uint64_t s (step ? convert<uint64_t> (move (*step)) : 1); - - uint64s r; - if (b < e) - { - r.reserve (static_cast<size_t> ((e - b) / s + 1)); - - for (; b < e; b += s) - r.push_back (static_cast<size_t> (b)); - } - - return r; - }; - - // string - // - f["string"] += [](bool b) {return b ? "true" : "false";}; - f["string"] += [](int64_t i) {return to_string (i);}; - f["string"] += [](uint64_t i, optional<value> base, optional<value> width) - { - return to_string (i, move (base), move (width)); - }; - // Quote a value returning its string representation. If escape is true, // then also escape (with a backslash) the quote characters being added // (this is useful if the result will be re-parsed, for example as a @@ -184,74 +94,6 @@ namespace build2 return os.str (); }; - // $size(<ints>) - // - // Return the number of elements in the sequence. - // - f["size"] += [] (int64s v) {return v.size ();}; - f["size"] += [] (uint64s v) {return v.size ();}; - - // $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; - }; - - // $find(<ints>, <int>) - // - // Return true if the integer sequence contains the specified integer. - // - f["find"] += [](int64s vs, value v) - { - return find (vs.begin (), vs.end (), - convert<int64_t> (move (v))) != vs.end (); - }; - - f["find"] += [](uint64s vs, value v) - { - return find (vs.begin (), vs.end (), - convert<uint64_t> (move (v))) != vs.end (); - }; - - // $find_index(<ints>, <int>) - // - // Return the index of the first element in the integer sequence that is - // equal to the specified integer or $size(<ints>) if none is found. - // - f["find_index"] += [](int64s vs, value v) - { - auto i (find (vs.begin (), vs.end (), convert<int64_t> (move (v)))); - return i != vs.end () ? i - vs.begin () : vs.size (); - }; - - f["find_index"] += [](uint64s vs, value v) - { - auto i (find (vs.begin (), vs.end (), convert<uint64_t> (move (v)))); - return i != vs.end () ? i - vs.begin () : vs.size (); - }; - // getenv // // Return NULL if the environment variable is not set, untyped value |