diff options
Diffstat (limited to 'libbuild2/dump.cxx')
| -rw-r--r-- | libbuild2/dump.cxx | 199 |
1 files changed, 137 insertions, 62 deletions
diff --git a/libbuild2/dump.cxx b/libbuild2/dump.cxx index 8ee68b7..9f60900 100644 --- a/libbuild2/dump.cxx +++ b/libbuild2/dump.cxx @@ -3,6 +3,7 @@ #include <libbuild2/dump.hxx> +#include <libbuild2/rule.hxx> #include <libbuild2/scope.hxx> #include <libbuild2/target.hxx> #include <libbuild2/context.hxx> @@ -213,7 +214,90 @@ namespace build2 os << ind << t << ':'; - // First print target/rule-specific variables, if any. + // First check if this is the simple case where we can print everything + // as a single declaration. + // + const prerequisites& ps (t.prerequisites ()); + bool simple (true); + for (const prerequisite& p: ps) + { + if (!p.vars.empty ()) // Has prerequisite-specific vars. + { + simple = false; + break; + } + } + + // If the target has been matched to a rule, we also print resolved + // prerequisite targets. + // + // Note: running serial and task_count is 0 before any operation has + // started. + // + const prerequisite_targets* pts (nullptr); + { + action inner; // @@ Only for the inner part of the action currently. + + if (size_t c = t[inner].task_count.load (memory_order_relaxed)) + { + if (c == t.ctx.count_applied () || c == t.ctx.count_executed ()) + { + pts = &t.prerequisite_targets[inner]; + + bool f (false); + for (const target* pt: *pts) + { + if (pt != nullptr) + { + f = true; + break; + } + } + + if (!f) + pts = nullptr; + } + } + } + + auto print_pts = [&os, &ps, pts] () + { + for (const target* pt: *pts) + { + if (pt != nullptr) + os << ' ' << *pt; + } + + // Only omit '|' if we have no prerequisites nor targets. + // + if (!ps.empty ()) + { + os << " |"; + return true; + } + + return false; + }; + + if (simple) + { + if (pts != nullptr) + print_pts (); + + for (const prerequisite& p: ps) + { + // Print it as a target if one has been cached. + // + if (const target* t = p.target.load (memory_order_relaxed)) // Serial. + os << ' ' << *t; + else + os << ' ' << p; + } + } + + bool used (false); // Target header has been used. + + // Print target/rule-specific variables, if any. // { bool tv (!t.vars.empty ()); @@ -258,87 +342,78 @@ namespace build2 if (rel) stream_verb (os, nsv); - os << endl - << ind << t << ':'; + used = true; } } - bool used (false); // Target header has been used to display prerequisites. - - // If the target has been matched to a rule, first print resolved - // prerequisite targets. + // Then ad hoc recipes, if any. // - // Note: running serial and task_count is 0 before any operation has - // started. - // - action inner; // @@ Only for the inner part of the action currently. - - if (size_t c = t[inner].task_count.load (memory_order_relaxed)) + if (!t.adhoc_recipes.empty ()) { - if (c == t.ctx.count_applied () || c == t.ctx.count_executed ()) + for (const adhoc_recipe r: t.adhoc_recipes) { - bool f (false); - for (const target* pt: t.prerequisite_targets[inner]) - { - if (pt == nullptr) // Skipped. - continue; - - os << ' ' << *pt; - f = true; - } - - // Only omit '|' if we have no prerequisites nor targets. - // - if (f || !t.prerequisites ().empty ()) - { - os << " |"; - used = true; - } + os << endl; + r.rule->dump (os, ind); // @@ TODO: pass action(s). } + + used = true; } - // Print prerequisites. Those that have prerequisite-specific variables - // have to be printed as a separate dependency. - // - const prerequisites& ps (t.prerequisites ()); - for (auto i (ps.begin ()), e (ps.end ()); i != e; ) + if (!simple) { - const prerequisite& p (*i++); - bool ps (!p.vars.empty ()); // Has prerequisite-specific vars. - - if (ps && used) // If it has been used, get a new header. + if (used) + { os << endl << ind << t << ':'; - // Print it as a target if one has been cached. - // - if (const target* t = p.target.load (memory_order_relaxed)) // Serial. - os << ' ' << *t; - else - os << ' ' << p; + used = false; + } + + if (pts != nullptr) + used = print_pts () || used; - if (ps) + // Print prerequisites. Those that have prerequisite-specific variables + // have to be printed as a separate dependency. + // + for (auto i (ps.begin ()), e (ps.end ()); i != e; ) { - if (rel) - stream_verb (os, osv); // We want variable values in full. + const prerequisite& p (*i++); + bool ps (!p.vars.empty ()); // Has prerequisite-specific vars. - os << ':' << endl - << ind << '{'; - ind += " "; - dump_variables (os, ind, p.vars, s, variable_kind::prerequisite); - ind.resize (ind.size () - 2); - os << endl - << ind << '}'; + if (ps && used) // If it has been used, get a new header. + os << endl + << ind << t << ':'; - if (rel) - stream_verb (os, nsv); + // Print it as a target if one has been cached. + // + if (const target* t = p.target.load (memory_order_relaxed)) // Serial. + os << ' ' << *t; + else + os << ' ' << p; - if (i != e) // If we have another, get a new header. + if (ps) + { + if (rel) + stream_verb (os, osv); // We want variable values in full. + + os << ':' << endl + << ind << '{'; + ind += " "; + dump_variables (os, ind, p.vars, s, variable_kind::prerequisite); + ind.resize (ind.size () - 2); os << endl - << ind << t << ':'; - } + << ind << '}'; + + if (rel) + stream_verb (os, nsv); - used = !ps; + if (i != e) // If we have another, get a new header. + os << endl + << ind << t << ':'; + } + + used = !ps; + } } if (rel) |