ZScript DAP Debug server (#3009)
* Add STL-standard type traits and functions to TMap to enable for loop iteration * add third-party range-map library I have e-mailed the author for clarifcation on the license, will update this when they respond * vcpkg: Add cppdap and eventpp libraries, update baseline * DAP implementation * Add `FileSystem::FileHash()` to get the CRC32 hash * add `starting_offset` param to `VMDisasm()` for debugger disassembly view Defaults to `0`, should not change output if it's not set * Add `VMFrameStack::HasFrames()` to prevent assertions when inspecting in the debugger * Add `PC` field to VMFrame, ensure that it is updated whenever vm increments/decrements the pc Does not change alignment, the offsets used in VMFrame still work We need this for the debugger because we otherwise have no way to get the pc; it was a local in `ExecScriptFunc()` * `ZCCCompiler::CreateClassTypes()`: ensure SourceLumpName is set for classes derived from non-native classes * start debug server in d_main, add `vm_debug` cvars and `-debug` CLI arg * Add documentation for `vm_debug` cvars * vm_exec: Add debugger hooks for instruction execution events * c_console: Add debugger hooks for logging events in `PrintString` * add `.cache/` to gitignore * vendor cppdap on main @ 6464cd7 Patches: removed .gitmodules (submodules were thirdparty/json, thirdparty/googletest) removed thirdparty/googletest, not needed removed thirdparty/json/docs, thirdparty/json/test, thirdparty/json/benchmarks to prevent massive bloat * vendor eventpp on master @ 1224dd6 * build: use internal cppdap and eventpp by default * dap: fix Binary::GetFunctionLineRange() * fix bug in range_map::find_ranges * make Binary dap::Source dynamic * cache source code upon retrieval * refactor Binary into a class, cleanup PexCache * fix ending session gracefully * d_main: Stop debug server in D_Cleanup() * Fix connecting to debugger when session already started * cleanup unused stuff in ZScriptDebugger * always send TerminateEvents on disconnect if initialized * tweak color display * Don't cache disassembly lines when scanning scripts * Cache nodes when getting runtime state * WIP display locals * Fix display of static arrays * Ensure names display in proper order * dap: Fix struct locals display, add args display * Support `start` parameter * Support `filter` parameter * remove struct unbound native data display Practically useless for debugging zscript and didn't work properly anyway * d_main: fix vm_jit and vm_jit not being disabled soon enough * support breaking on abort exceptions * dap: refactor game event emitter functions into seperate header * dap: show native functions on stack * dap: Remove "Native" from exception handling, simplify exception event emit * dap: add instruction breakpoints * dap: fix display of locals not in scope yet * dap: Make disassembly view display invalid instructions for non-code addresses * dap: remove dot initializers * dap: fix local structs in scope * dap: don't parse the non-used options in the launch/attach requests * dap: fix local struct view * dap: Fix displaying objects that aren't their actual types * dap: Fix action and state handling * dap: stack display view * dap: fix object display view * d_dehacked: set qualified name in addition to the printable name * dap: fix displaying breakpoint errors when script isn't loaded * dap: remove debug print * dap: Display parameter names * dap: Turn down verbosity of logging * dap: fix disassembly view * dap: fix performance problems with arrays * c_console: emit event only if not PRINT_NODAPEVENT * dap: improve logging * dap: update upstream cppdap library to fix deadlocks on no bind * dap: Fix ending session on client socket closed * dap: prevent DebugServer.h from pulling in `dap` and `ZScriptDebugger.h` * dap: fix pause event not being emitted on pause * dap: remove eventpp emitters, way too slow * Remove eventpp dependency * dap: Display correct register names * dap: Show special inits in registers * dap: Add stack offset to VMLocalVariable * dap: fix display of static arrays and local variables on stack vs. registers * dap: fix displaying function pointers * dap: tweak color display * dap: fix scalar display < 4 * dap: add Globals display to debugger * dap: unify methods to get vmvalue * dap: rename free method to freeValue to avoid running afoul of macro defs * fix windows builds * fix compile on linux * cleanup * Fix display of function breakpoints * dap: Don't send back binary files * dap: include sbarinfo in script types (no debug support for anything but zscript yet, this is just for returning source info) * dap: don't show ending session message unless initialized * fix erroneous commit * dap: handle evaluate requests * Fix getting bitfield values * Add CVars Scope and evaluation * add running console commands from repl * dap: disable commands via repl for now * fix loading functions DECORATE scripts * Add source information to Dehacked VM functions, add debugging support * dap: cleanup * fix resolving archive paths * don't send source back on native stack frames * handle `modules` request * cleanup * allow evaluating cvars on hover * fix oob bpinfos * fix restarting the game blowing out the debug server * dap: process input events while paused to prevent deadlocks * fix getting local state * dap: fix LocalState alignment * dap: fix DumpStateHelper * update cppdap protocol version to 1.68.0 * remove cppdap from vcpkg deps We can't use the upstream version anyway because the maintainers are not merging our patches * dap: make named variable nodes derive from the same class * dap: make cvar scope available in native stack frames * handle local variables with conflicting names * add I_GetWindowEvent() to win32 to only process window events when debugging is paused * dap: fix evaluate * dap: fix display of `out` variables
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235 changed files with 83166 additions and 62 deletions
104
libraries/cppdap/src/socket_test.cpp
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libraries/cppdap/src/socket_test.cpp
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// Copyright 2019 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "socket.h"
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#include "gmock/gmock.h"
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#include "gtest/gtest.h"
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#include <chrono>
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#include <thread>
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#include <vector>
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// Basic socket send & receive test
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TEST(Socket, SendRecv) {
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const char* port = "19021";
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auto server = dap::Socket("localhost", port);
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auto client = dap::Socket::connect("localhost", port, 0);
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ASSERT_TRUE(client != nullptr);
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const std::string expect = "Hello World!";
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std::string read;
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auto thread = std::thread([&] {
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auto conn = server.accept();
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ASSERT_TRUE(conn != nullptr);
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char c;
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while (conn->read(&c, 1) != 0) {
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read += c;
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}
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});
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ASSERT_TRUE(client->write(expect.data(), expect.size()));
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client->close();
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thread.join();
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ASSERT_EQ(read, expect);
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}
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// See https://github.com/google/cppdap/issues/37
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TEST(Socket, CloseOnDifferentThread) {
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const char* port = "19021";
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auto server = dap::Socket("localhost", port);
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auto client = dap::Socket::connect("localhost", port, 0);
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ASSERT_TRUE(client != nullptr);
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auto conn = server.accept();
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auto thread = std::thread([&] {
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// Closing client on different thread should unblock client->read().
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client->close();
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});
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char c;
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while (client->read(&c, 1) != 0) {
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}
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thread.join();
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}
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TEST(Socket, ConnectTimeout) {
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const char* port = "19021";
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const int timeoutMillis = 200;
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const int maxAttempts = 1024;
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using namespace std::chrono;
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auto server = dap::Socket("localhost", port);
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std::vector<std::shared_ptr<dap::ReaderWriter>> connections;
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for (int i = 0; i < maxAttempts; i++) {
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auto start = system_clock::now();
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auto connection = dap::Socket::connect("localhost", port, timeoutMillis);
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auto end = system_clock::now();
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if (!connection) {
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auto timeTakenMillis = duration_cast<milliseconds>(end - start).count();
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ASSERT_GE(timeTakenMillis + 20, // +20ms for a bit of timing wiggle room
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timeoutMillis);
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return;
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}
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// Keep hold of the connections to saturate any incoming socket buffers.
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connections.emplace_back(std::move(connection));
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}
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FAIL() << "Failed to test timeout after " << maxAttempts << " attempts";
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}
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