From c7c6203e61cb6bb85051b96eabd6deae7995a787 Mon Sep 17 00:00:00 2001 From: Ryan Dahl Date: Thu, 2 Aug 2018 13:13:32 -0400 Subject: Source map support (#429) This change increases size: out/debug/obj/libdeno/from_snapshot.o 19M -> 34M out/release/deno 32M -> 47M --- src/snapshot_creator.cc | 17 +++++++++++++---- 1 file changed, 13 insertions(+), 4 deletions(-) (limited to 'src/snapshot_creator.cc') diff --git a/src/snapshot_creator.cc b/src/snapshot_creator.cc index f821565e5..8038c9b13 100644 --- a/src/snapshot_creator.cc +++ b/src/snapshot_creator.cc @@ -22,14 +22,16 @@ v8::StartupData SerializeInternalFields(v8::Local holder, int index, return {payload, size}; } -v8::StartupData MakeSnapshot(const char* js_filename, const char* js_source) { +v8::StartupData MakeSnapshot(const char* js_filename, + const std::string& js_source, + const std::string* source_map) { auto* creator = new v8::SnapshotCreator(external_references); auto* isolate = creator->GetIsolate(); v8::Isolate::Scope isolate_scope(isolate); { v8::HandleScope handle_scope(isolate); auto context = v8::Context::New(isolate); - InitializeContext(isolate, context, js_filename, js_source); + InitializeContext(isolate, context, js_filename, js_source, source_map); creator->SetDefaultContext(context, v8::SerializeInternalFieldsCallback( SerializeInternalFields, nullptr)); } @@ -45,18 +47,25 @@ v8::StartupData MakeSnapshot(const char* js_filename, const char* js_source) { int main(int argc, char** argv) { const char* snapshot_out_bin = argv[1]; const char* js_fn = argv[2]; + const char* source_map_fn = argv[3]; // Optional. v8::V8::SetFlagsFromCommandLine(&argc, argv, true); - CHECK_EQ(argc, 3); CHECK_NE(js_fn, nullptr); CHECK_NE(snapshot_out_bin, nullptr); std::string js_source; CHECK(deno::ReadFileToString(js_fn, &js_source)); + std::string source_map; + if (source_map_fn != nullptr) { + CHECK_EQ(argc, 4); + CHECK(deno::ReadFileToString(source_map_fn, &source_map)); + } + deno_init(); - auto snapshot_blob = deno::MakeSnapshot(js_fn, js_source.c_str()); + auto snapshot_blob = deno::MakeSnapshot( + js_fn, js_source, source_map_fn != nullptr ? &source_map : nullptr); std::string snapshot_str(snapshot_blob.data, snapshot_blob.raw_size); std::ofstream file_(snapshot_out_bin, std::ios::binary); -- cgit v1.2.3