From fefe0657f29b8db782f7a722dd46b074b991cf08 Mon Sep 17 00:00:00 2001 From: Boris Kolpackov Date: Mon, 23 Feb 2015 15:56:03 +0200 Subject: Redo rule match/build logic Now the rule is fully responsible for searching, matching, and building of prerequisites. --- build/key-set | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) create mode 100644 build/key-set (limited to 'build/key-set') diff --git a/build/key-set b/build/key-set new file mode 100644 index 0000000..9cb7d6c --- /dev/null +++ b/build/key-set @@ -0,0 +1,41 @@ +// file : build/key_set -*- C++ -*- +// copyright : Copyright (c) 2014-2015 Code Synthesis Tools CC +// license : MIT; see accompanying LICENSE file + +#ifndef BUILD_KEY_SET +#define BUILD_KEY_SET + +namespace build +{ + // Google the "Emulating Boost.MultiIndex with Standard Containers" blog + // post for deatils. + // + + template + struct set_key + { + mutable const T* p; + + set_key (const T* v = 0): p (v) {} + bool operator< (const set_key& x) const {return *p < *x.p;} + }; + + template + struct map_iterator_adapter: I + { + typedef const typename I::value_type::second_type value_type; + typedef value_type* pointer; + typedef value_type& reference; + + map_iterator_adapter () {} + map_iterator_adapter (I i): I (i) {} + + map_iterator_adapter& + operator= (I i) {static_cast (*this) = i; return *this;} + + reference operator* () const {return I::operator* ().second;} + pointer operator-> () const {return &I::operator-> ()->second;} + }; +} + +#endif // BUILD_KEY_SET -- cgit v1.1