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
263
libraries/cppdap/include/dap/optional.h
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libraries/cppdap/include/dap/optional.h
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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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#ifndef dap_optional_h
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#define dap_optional_h
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#include <assert.h>
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#include <type_traits>
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#include <utility> // std::move, std::forward
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namespace dap {
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// optional holds an 'optional' contained value.
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// This is similar to C++17's std::optional.
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template <typename T>
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class optional {
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template <typename U>
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using IsConvertibleToT =
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typename std::enable_if<std::is_convertible<U, T>::value>::type;
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public:
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using value_type = T;
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// constructors
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inline optional() = default;
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inline optional(const optional& other);
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inline optional(optional&& other);
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template <typename U>
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inline optional(const optional<U>& other);
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template <typename U>
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inline optional(optional<U>&& other);
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template <typename U = value_type, typename = IsConvertibleToT<U>>
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inline optional(U&& value);
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// value() returns the contained value.
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// If the optional does not contain a value, then value() will assert.
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inline T& value();
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inline const T& value() const;
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// value() returns the contained value, or defaultValue if the optional does
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// not contain a value.
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inline const T& value(const T& defaultValue) const;
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// operator bool() returns true if the optional contains a value.
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inline explicit operator bool() const noexcept;
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// has_value() returns true if the optional contains a value.
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inline bool has_value() const;
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// assignment
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inline optional& operator=(const optional& other);
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inline optional& operator=(optional&& other) noexcept;
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template <typename U = T, typename = IsConvertibleToT<U>>
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inline optional& operator=(U&& value);
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template <typename U>
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inline optional& operator=(const optional<U>& other);
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template <typename U>
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inline optional& operator=(optional<U>&& other);
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// value access
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inline const T* operator->() const;
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inline T* operator->();
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inline const T& operator*() const;
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inline T& operator*();
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private:
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T val{};
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bool set = false;
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};
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template <typename T>
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optional<T>::optional(const optional& other) : val(other.val), set(other.set) {}
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template <typename T>
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optional<T>::optional(optional&& other)
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: val(std::move(other.val)), set(other.set) {}
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template <typename T>
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template <typename U>
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optional<T>::optional(const optional<U>& other) : set(other.has_value()) {
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if (set) {
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val = static_cast<T>(other.value());
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}
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}
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template <typename T>
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template <typename U>
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optional<T>::optional(optional<U>&& other) : set(other.has_value()) {
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if (set) {
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val = static_cast<T>(std::move(other.value()));
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}
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}
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template <typename T>
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template <typename U /*= T*/, typename>
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optional<T>::optional(U&& value) : val(std::forward<U>(value)), set(true) {}
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template <typename T>
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T& optional<T>::value() {
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assert(set);
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return val;
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}
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template <typename T>
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const T& optional<T>::value() const {
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assert(set);
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return val;
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}
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template <typename T>
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const T& optional<T>::value(const T& defaultValue) const {
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if (!has_value()) {
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return defaultValue;
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}
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return val;
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}
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template <typename T>
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optional<T>::operator bool() const noexcept {
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return set;
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}
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template <typename T>
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bool optional<T>::has_value() const {
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return set;
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}
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template <typename T>
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optional<T>& optional<T>::operator=(const optional& other) {
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val = other.val;
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set = other.set;
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return *this;
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}
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template <typename T>
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optional<T>& optional<T>::operator=(optional&& other) noexcept {
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val = std::move(other.val);
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set = other.set;
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return *this;
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}
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template <typename T>
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template <typename U /* = T */, typename>
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optional<T>& optional<T>::operator=(U&& value) {
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val = std::forward<U>(value);
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set = true;
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return *this;
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}
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template <typename T>
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template <typename U>
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optional<T>& optional<T>::operator=(const optional<U>& other) {
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val = other.val;
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set = other.set;
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return *this;
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}
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template <typename T>
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template <typename U>
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optional<T>& optional<T>::operator=(optional<U>&& other) {
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val = std::move(other.val);
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set = other.set;
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return *this;
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}
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template <typename T>
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const T* optional<T>::operator->() const {
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assert(set);
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return &val;
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}
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template <typename T>
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T* optional<T>::operator->() {
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assert(set);
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return &val;
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}
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template <typename T>
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const T& optional<T>::operator*() const {
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assert(set);
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return val;
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}
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template <typename T>
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T& optional<T>::operator*() {
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assert(set);
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return val;
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}
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template <class T, class U>
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inline bool operator==(const optional<T>& lhs, const optional<U>& rhs) {
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if (!lhs.has_value() && !rhs.has_value()) {
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return true;
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}
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if (!lhs.has_value() || !rhs.has_value()) {
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return false;
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}
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return lhs.value() == rhs.value();
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}
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template <class T, class U>
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inline bool operator!=(const optional<T>& lhs, const optional<U>& rhs) {
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return !(lhs == rhs);
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}
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template <class T, class U>
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inline bool operator<(const optional<T>& lhs, const optional<U>& rhs) {
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if (!rhs.has_value()) {
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return false;
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}
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if (!lhs.has_value()) {
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return true;
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}
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return lhs.value() < rhs.value();
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}
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template <class T, class U>
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inline bool operator<=(const optional<T>& lhs, const optional<U>& rhs) {
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if (!lhs.has_value()) {
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return true;
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}
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if (!rhs.has_value()) {
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return false;
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}
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return lhs.value() <= rhs.value();
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}
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template <class T, class U>
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inline bool operator>(const optional<T>& lhs, const optional<U>& rhs) {
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if (!lhs.has_value()) {
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return false;
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}
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if (!rhs.has_value()) {
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return true;
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}
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return lhs.value() > rhs.value();
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}
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template <class T, class U>
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inline bool operator>=(const optional<T>& lhs, const optional<U>& rhs) {
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if (!rhs.has_value()) {
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return true;
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}
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if (!lhs.has_value()) {
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return false;
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}
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return lhs.value() >= rhs.value();
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}
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} // namespace dap
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#endif // dap_optional_h
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