diff options
Diffstat (limited to 'build2/b.cxx')
| -rw-r--r-- | build2/b.cxx | 52 |
1 files changed, 28 insertions, 24 deletions
diff --git a/build2/b.cxx b/build2/b.cxx index f359dbc..6a49cb7 100644 --- a/build2/b.cxx +++ b/build2/b.cxx @@ -590,6 +590,8 @@ main (int argc, char* argv[]) ? optional<size_t> (ops.max_stack () * 1024) : nullopt)); + // @@ CTX: should these be per-context? + // variable_cache_mutex_shard_size = sched.shard_size (); variable_cache_mutex_shard.reset ( new shared_mutex[variable_cache_mutex_shard_size]); @@ -606,10 +608,11 @@ main (int argc, char* argv[]) trace << "jobs: " << jobs; } - // Set the build state before parsing the buildspec since it relies on - // global scope being setup. + // Set the build context before parsing the buildspec since it relies on + // the global scope being setup. We reset it for every meta-operation (see + // below). // - variable_overrides var_ovs (reset (cmd_vars)); + unique_ptr<context> ctx (new context (sched, cmd_vars)); // Parse the buildspec. // @@ -619,7 +622,7 @@ main (int argc, char* argv[]) istringstream is (args); is.exceptions (istringstream::failbit | istringstream::badbit); - parser p; + parser p (*ctx); bspec = p.parse_buildspec (is, path ("<buildspec>")); } catch (const io_error&) @@ -745,13 +748,14 @@ main (int argc, char* argv[]) else opspecs.assign (lifted, 1); - // Reset the build state for each meta-operation since there is no + // Reset the build context for each meta-operation since there is no // guarantee their assumptions (e.g., in the load callback) are // compatible. // if (dirty) { - var_ovs = reset (cmd_vars); + ctx = nullptr; + ctx.reset (new context (sched, cmd_vars)); dirty = false; } @@ -778,15 +782,16 @@ main (int argc, char* argv[]) // Can modify params, opspec, change meta-operation name. // if (auto f = meta_operation_table[m].process) - mname = current_mname = - f (var_ovs, mparams, opspecs, lifted != nullptr, l); + mname = current_mname = f ( + *ctx, mparams, opspecs, lifted != nullptr, l); } } // Expose early so can be used during bootstrap (with the same // limitations as for pre-processing). // - global_scope->rw ().assign (var_build_meta_operation) = mname; + scope& gs (ctx->global_scope.rw ()); + gs.assign (var_build_meta_operation) = mname; for (auto oit (opspecs.begin ()); oit != opspecs.end (); ++oit) { @@ -978,7 +983,7 @@ main (int argc, char* argv[]) // Handle a forwarded configuration. Note that if we've changed // out_root then we also have to remap out_base. // - out_root = bootstrap_fwd (src_root, altn); + out_root = bootstrap_fwd (*ctx, src_root, altn); if (src_root != out_root) { out_base = out_root / out_base.leaf (src_root); @@ -1023,8 +1028,7 @@ main (int argc, char* argv[]) // use to the bootstrap files (other than src-root.build, which, // BTW, doesn't need to exist if src_root == out_root). // - scope& rs ( - create_root (*scope::global_, out_root, src_root)->second); + scope& rs (create_root (gs, out_root, src_root)->second); bool bstrapped (bootstrapped (rs)); @@ -1238,7 +1242,7 @@ main (int argc, char* argv[]) fail (l) << "unexpected parameters for meta-operation " << mif->name; - set_current_mif (*mif); + ctx->current_mif (*mif); dirty = true; } @@ -1427,9 +1431,9 @@ main (int argc, char* argv[]) // So we split it into two passes. // { - auto& sm (scope_map::instance); + auto& sm (ctx->scopes.rw ()); - for (const variable_override& o: var_ovs) + for (const variable_override& o: ctx->var_overrides) { if (o.ovr.visibility != variable_visibility::normal) continue; @@ -1450,7 +1454,7 @@ main (int argc, char* argv[]) v = o.val; } - for (const variable_override& o: var_ovs) + for (const variable_override& o: ctx->var_overrides) { // Ours is either project (%foo) or scope (/foo). // @@ -1504,7 +1508,7 @@ main (int argc, char* argv[]) // building before we know how to for all the targets in this // operation batch. // - const scope& bs (scopes.find (ts.out_base)); + const scope& bs (ctx->scopes.find (ts.out_base)); // Find the target type and extract the extension. // @@ -1546,7 +1550,7 @@ main (int argc, char* argv[]) } // target if (dump_load) - dump (); + dump (*ctx); // Finally, match the rules and perform the operation. // @@ -1558,7 +1562,7 @@ main (int argc, char* argv[]) if (mif->operation_pre != nullptr) mif->operation_pre (mparams, pre_oid); // Cannot be translated. - set_current_oif (*pre_oif, oif); + ctx->current_oif (*pre_oif, oif); action a (mid, pre_oid, oid); @@ -1570,7 +1574,7 @@ main (int argc, char* argv[]) mif->match (mparams, a, tgs, diag, true /* progress */); if (dump_match) - dump (a); + dump (*ctx, a); if (mif->execute != nullptr && !ops.match_only ()) mif->execute (mparams, a, tgs, diag, true /* progress */); @@ -1585,7 +1589,7 @@ main (int argc, char* argv[]) tgs.reset (); } - set_current_oif (*oif, outer_oif); + ctx->current_oif (*oif, outer_oif); action a (mid, oid, oif->outer_id); @@ -1597,7 +1601,7 @@ main (int argc, char* argv[]) mif->match (mparams, a, tgs, diag, true /* progress */); if (dump_match) - dump (a); + dump (*ctx, a); if (mif->execute != nullptr && !ops.match_only ()) mif->execute (mparams, a, tgs, diag, true /* progress */); @@ -1613,7 +1617,7 @@ main (int argc, char* argv[]) if (mif->operation_pre != nullptr) mif->operation_pre (mparams, post_oid); // Cannot be translated. - set_current_oif (*post_oif, oif); + ctx->current_oif (*post_oif, oif); action a (mid, post_oid, oid); @@ -1625,7 +1629,7 @@ main (int argc, char* argv[]) mif->match (mparams, a, tgs, diag, true /* progress */); if (dump_match) - dump (a); + dump (*ctx, a); if (mif->execute != nullptr && !ops.match_only ()) mif->execute (mparams, a, tgs, diag, true /* progress */); |