diff options
Diffstat (limited to 'libbuild2/install/rule.cxx')
| -rw-r--r-- | libbuild2/install/rule.cxx | 164 |
1 files changed, 103 insertions, 61 deletions
diff --git a/libbuild2/install/rule.cxx b/libbuild2/install/rule.cxx index 4dd11e8..7e086a8 100644 --- a/libbuild2/install/rule.cxx +++ b/libbuild2/install/rule.cxx @@ -71,24 +71,27 @@ namespace build2 return true; } - const target* alias_rule:: + pair<const target*, uint64_t> alias_rule:: filter (const scope* is, - action a, const target& t, prerequisite_iterator& i) const + action a, const target& t, prerequisite_iterator& i, + match_extra& me) const { assert (i->member == nullptr); - return filter (is, a, t, i->prerequisite); + return filter (is, a, t, i->prerequisite, me); } - const target* alias_rule:: + pair<const target*, uint64_t> alias_rule:: filter (const scope* is, - action, const target& t, const prerequisite& p) const + action, const target& t, const prerequisite& p, + match_extra&) const { const target& pt (search (t, p)); - return is == nullptr || pt.in (*is) ? &pt : nullptr; + return make_pair (is == nullptr || pt.in (*is) ? &pt : nullptr, + match_extra::all_options); } recipe alias_rule:: - apply (action a, target& t) const + apply (action a, target& t, match_extra& me) const { tracer trace ("install::alias_rule::apply"); @@ -125,7 +128,9 @@ namespace build2 if (!is) is = a.operation () != update_id ? install_scope (t) : nullptr; - const target* pt (filter (*is, a, t, i)); + pair<const target*, uint64_t> fr (filter (*is, a, t, i, me)); + + const target* pt (fr.first); if (pt == nullptr) { l5 ([&]{trace << "ignoring " << p << " (filtered out)";}); @@ -150,12 +155,14 @@ namespace build2 continue; } + uint64_t options (fr.second); + // If this is not a file-based target (e.g., a target group such as // libu{}) then ignore it if there is no rule to install. // if (pt->is_a<file> ()) - match_sync (a, *pt); - else if (!try_match_sync (a, *pt).first) + match_sync (a, *pt, options); + else if (!try_match_sync (a, *pt, options).first) { l5 ([&]{trace << "ignoring " << *pt << " (no rule)";}); pt = nullptr; @@ -168,39 +175,11 @@ namespace build2 return default_recipe; } - // fsdir_rule - // - const fsdir_rule fsdir_rule::instance; - - bool fsdir_rule:: - match (action, target&) const + recipe alias_rule:: + apply (action, target&) const { - // We always match. - // - // Note that we are called both as the outer part during the update-for- - // un/install pre-operation and as the inner part during the un/install - // operation itself. - // - return true; - } - - recipe fsdir_rule:: - apply (action a, target& t) const - { - // If this is outer part of the update-for-un/install, delegate to the - // default fsdir rule. Otherwise, this is a noop (we don't install - // fsdir{}). - // - // For now we also assume we don't need to do anything for prerequisites - // (the only sensible prerequisite of fsdir{} is another fsdir{}). - // - if (a.operation () == update_id) - { - match_inner (a, t); - return inner_recipe; - } - else - return noop_recipe; + assert (false); // Never called. + return nullptr; } // group_rule @@ -220,10 +199,13 @@ namespace build2 return &m; } - const target* group_rule:: + pair<const target*, uint64_t> group_rule:: filter (const scope* is, - action, const target& t, const prerequisite& p) const + action, const target& t, const prerequisite& p, + match_extra&) const { + pair<const target*, uint64_t> r (nullptr, match_extra::all_options); + // The same logic as in file_rule::filter() below. // if (p.is_a<exe> ()) @@ -232,15 +214,18 @@ namespace build2 if (p.vars.empty () || cast_empty<path> (p.vars[var_install (rs)]).string () != "true") - return nullptr; + return r; } const target& pt (search (t, p)); - return is == nullptr || pt.in (*is) ? &pt : nullptr; + if (is == nullptr || pt.in (*is)) + r.first = &pt; + + return r; } recipe group_rule:: - apply (action a, target& t) const + apply (action a, target& t, match_extra& me) const { tracer trace ("install::group_rule::apply"); @@ -298,7 +283,7 @@ namespace build2 // Delegate to the base rule. // - return alias_rule::apply (a, t); + return alias_rule::apply (a, t, me); } @@ -315,18 +300,22 @@ namespace build2 return true; } - const target* file_rule:: + pair<const target*, uint64_t> file_rule:: filter (const scope* is, - action a, const target& t, prerequisite_iterator& i) const + action a, const target& t, prerequisite_iterator& i, + match_extra& me) const { assert (i->member == nullptr); - return filter (is, a, t, i->prerequisite); + return filter (is, a, t, i->prerequisite, me); } - const target* file_rule:: + pair<const target*, uint64_t> file_rule:: filter (const scope* is, - action, const target& t, const prerequisite& p) const + action, const target& t, const prerequisite& p, + match_extra&) const { + pair<const target*, uint64_t> r (nullptr, match_extra::all_options); + // See also group_rule::filter() with identical semantics. // if (p.is_a<exe> ()) @@ -340,22 +329,32 @@ namespace build2 // if (p.vars.empty () || cast_empty<path> (p.vars[var_install (rs)]).string () != "true") - return nullptr; + return r; } const target& pt (search (t, p)); - return is == nullptr || pt.in (*is) ? &pt : nullptr; + if (is == nullptr || pt.in (*is)) + r.first = &pt; + + return r; } recipe file_rule:: - apply (action a, target& t) const + apply (action a, target& t, match_extra& me) const { - recipe r (apply_impl (a, t)); + recipe r (apply_impl (a, t, me)); return r != nullptr ? move (r) : noop_recipe; } recipe file_rule:: - apply_impl (action a, target& t) const + apply (action, target&) const + { + assert (false); // Never called. + return nullptr; + } + + recipe file_rule:: + apply_impl (action a, target& t, match_extra& me) const { tracer trace ("install::file_rule::apply"); @@ -438,8 +437,9 @@ namespace build2 if (!is) is = a.operation () != update_id ? install_scope (t) : nullptr; - const target* pt (filter (*is, a, t, i)); + pair<const target*, uint64_t> fr (filter (*is, a, t, i, me)); + const target* pt (fr.first); if (pt == nullptr) { l5 ([&]{trace << "ignoring " << p << " (filtered out)";}); @@ -458,6 +458,8 @@ namespace build2 continue; } + uint64_t options (fr.second); + if (pt->is_a<file> ()) { // If the matched rule returned noop_recipe, then the target state @@ -466,10 +468,15 @@ namespace build2 // when updating static installable content (headers, documentation, // etc). // - if (match_sync (a, *pt, unmatch::unchanged).first) + // Regarding options, the expectation here is that they are not used + // for the update operation. And for install/uninstall, if they are + // used, then they don't effect whether the target is unchanged. All + // feels reasonable. + // + if (match_sync (a, *pt, unmatch::unchanged, options).first) pt = nullptr; } - else if (!try_match_sync (a, *pt).first) + else if (!try_match_sync (a, *pt, options).first) { l5 ([&]{trace << "ignoring " << *pt << " (no rule)";}); pt = nullptr; @@ -1566,5 +1573,40 @@ namespace build2 return r; } + + // fsdir_rule + // + const fsdir_rule fsdir_rule::instance; + + bool fsdir_rule:: + match (action, target&) const + { + // We always match. + // + // Note that we are called both as the outer part during the update-for- + // un/install pre-operation and as the inner part during the un/install + // operation itself. + // + return true; + } + + recipe fsdir_rule:: + apply (action a, target& t) const + { + // If this is outer part of the update-for-un/install, delegate to the + // default fsdir rule. Otherwise, this is a noop (we don't install + // fsdir{}). + // + // For now we also assume we don't need to do anything for prerequisites + // (the only sensible prerequisite of fsdir{} is another fsdir{}). + // + if (a.operation () == update_id) + { + match_inner (a, t); + return inner_recipe; + } + else + return noop_recipe; + } } } |