a0aa5f8933
This converts a number of json::Value's into well defined types that are used throughout lldb-dap and updates the 'launch' command to use the new well defined types. --------- Co-authored-by: Jonas Devlieghere <jonas@devlieghere.com>
297 lines
10 KiB
C++
297 lines
10 KiB
C++
//===-- ProtocolRequests.cpp ----------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "Protocol/ProtocolRequests.h"
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#include "llvm/ADT/DenseMap.h"
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#include "llvm/ADT/StringMap.h"
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#include "llvm/ADT/StringRef.h"
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#include "llvm/Support/JSON.h"
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#include <utility>
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using namespace llvm;
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// The 'env' field is either an object as a map of strings or as an array of
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// strings formatted like 'key=value'.
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static bool parseEnv(const json::Value &Params, StringMap<std::string> &env,
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json::Path P) {
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const json::Object *O = Params.getAsObject();
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if (!O) {
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P.report("expected object");
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return false;
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}
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const json::Value *value = O->get("env");
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if (!value)
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return true;
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if (const json::Object *env_obj = value->getAsObject()) {
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for (const auto &kv : *env_obj) {
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const std::optional<StringRef> value = kv.second.getAsString();
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if (!value) {
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P.field("env").field(kv.first).report("expected string value");
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return false;
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}
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env.insert({kv.first.str(), value->str()});
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}
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return true;
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}
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if (const json::Array *env_arr = value->getAsArray()) {
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for (size_t i = 0; i < env_arr->size(); ++i) {
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const std::optional<StringRef> value = (*env_arr)[i].getAsString();
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if (!value) {
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P.field("env").index(i).report("expected string");
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return false;
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}
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std::pair<StringRef, StringRef> kv = value->split("=");
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env.insert({kv.first, kv.second.str()});
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}
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return true;
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}
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P.field("env").report("invalid format, expected array or object");
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return false;
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}
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static bool parseTimeout(const json::Value &Params, std::chrono::seconds &S,
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json::Path P) {
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const json::Object *O = Params.getAsObject();
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if (!O) {
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P.report("expected object");
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return false;
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}
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const json::Value *value = O->get("timeout");
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if (!value)
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return true;
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std::optional<double> timeout = value->getAsNumber();
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if (!timeout) {
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P.field("timeout").report("expected number");
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return false;
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}
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S = std::chrono::duration_cast<std::chrono::seconds>(
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std::chrono::duration<double>(*value->getAsNumber()));
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return true;
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}
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static bool
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parseSourceMap(const json::Value &Params,
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std::vector<std::pair<std::string, std::string>> &sourceMap,
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json::Path P) {
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const json::Object *O = Params.getAsObject();
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if (!O) {
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P.report("expected object");
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return false;
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}
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const json::Value *value = O->get("sourceMap");
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if (!value)
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return true;
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if (const json::Object *map_obj = value->getAsObject()) {
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for (const auto &kv : *map_obj) {
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const std::optional<StringRef> value = kv.second.getAsString();
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if (!value) {
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P.field("sourceMap").field(kv.first).report("expected string value");
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return false;
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}
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sourceMap.emplace_back(std::make_pair(kv.first.str(), value->str()));
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}
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return true;
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}
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if (const json::Array *env_arr = value->getAsArray()) {
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for (size_t i = 0; i < env_arr->size(); ++i) {
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const json::Array *kv = (*env_arr)[i].getAsArray();
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if (!kv) {
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P.field("sourceMap").index(i).report("expected array");
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return false;
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}
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if (kv->size() != 2) {
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P.field("sourceMap").index(i).report("expected array of pairs");
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return false;
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}
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const std::optional<StringRef> first = (*kv)[0].getAsString();
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if (!first) {
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P.field("sourceMap").index(0).report("expected string");
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return false;
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}
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const std::optional<StringRef> second = (*kv)[1].getAsString();
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if (!second) {
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P.field("sourceMap").index(1).report("expected string");
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return false;
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}
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sourceMap.emplace_back(std::make_pair(*first, second->str()));
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}
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return true;
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}
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P.report("invalid format, expected array or object");
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return false;
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}
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namespace lldb_dap::protocol {
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bool fromJSON(const llvm::json::Value &Params, CancelArguments &CA,
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llvm::json::Path P) {
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llvm::json::ObjectMapper O(Params, P);
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return O && O.map("requestId", CA.requestId) &&
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O.map("progressId", CA.progressId);
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}
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bool fromJSON(const json::Value &Params, DisconnectArguments &DA,
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json::Path P) {
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json::ObjectMapper O(Params, P);
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return O && O.map("restart", DA.restart) &&
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O.map("terminateDebuggee", DA.terminateDebuggee) &&
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O.map("suspendDebuggee", DA.suspendDebuggee);
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}
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bool fromJSON(const json::Value &Params, PathFormat &PF, json::Path P) {
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auto rawPathFormat = Params.getAsString();
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if (!rawPathFormat) {
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P.report("expected a string");
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return false;
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}
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std::optional<PathFormat> pathFormat =
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StringSwitch<std::optional<PathFormat>>(*rawPathFormat)
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.Case("path", ePatFormatPath)
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.Case("uri", ePathFormatURI)
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.Default(std::nullopt);
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if (!pathFormat) {
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P.report("unexpected value, expected 'path' or 'uri'");
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return false;
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}
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PF = *pathFormat;
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return true;
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}
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static const StringMap<ClientFeature> ClientFeatureByKey{
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{"supportsVariableType", eClientFeatureVariableType},
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{"supportsVariablePaging", eClientFeatureVariablePaging},
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{"supportsRunInTerminalRequest", eClientFeatureRunInTerminalRequest},
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{"supportsMemoryReferences", eClientFeatureMemoryReferences},
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{"supportsProgressReporting", eClientFeatureProgressReporting},
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{"supportsInvalidatedEvent", eClientFeatureInvalidatedEvent},
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{"supportsMemoryEvent", eClientFeatureMemoryEvent},
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{"supportsArgsCanBeInterpretedByShell",
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eClientFeatureArgsCanBeInterpretedByShell},
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{"supportsStartDebuggingRequest", eClientFeatureStartDebuggingRequest},
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{"supportsANSIStyling", eClientFeatureANSIStyling}};
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bool fromJSON(const json::Value &Params, InitializeRequestArguments &IRA,
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json::Path P) {
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json::ObjectMapper OM(Params, P);
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if (!OM)
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return false;
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const json::Object *O = Params.getAsObject();
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for (auto &kv : ClientFeatureByKey) {
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const json::Value *value_ref = O->get(kv.first());
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if (!value_ref)
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continue;
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const std::optional<bool> value = value_ref->getAsBoolean();
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if (!value) {
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P.field(kv.first()).report("expected bool");
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return false;
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}
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if (*value)
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IRA.supportedFeatures.insert(kv.second);
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}
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return OM.map("adapterID", IRA.adapterID) &&
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OM.map("clientID", IRA.clientID) &&
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OM.map("clientName", IRA.clientName) && OM.map("locale", IRA.locale) &&
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OM.map("linesStartAt1", IRA.linesStartAt1) &&
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OM.map("columnsStartAt1", IRA.columnsStartAt1) &&
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OM.map("pathFormat", IRA.pathFormat) &&
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OM.map("$__lldb_sourceInitFile", IRA.lldbExtSourceInitFile);
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}
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bool fromJSON(const json::Value &Params, Configuration &C, json::Path P) {
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json::ObjectMapper O(Params, P);
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return O.map("debuggerRoot", C.debuggerRoot) &&
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O.mapOptional("enableAutoVariableSummaries",
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C.enableAutoVariableSummaries) &&
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O.mapOptional("enableSyntheticChildDebugging",
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C.enableSyntheticChildDebugging) &&
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O.mapOptional("displayExtendedBacktrace",
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C.displayExtendedBacktrace) &&
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O.mapOptional("commandEscapePrefix", C.commandEscapePrefix) &&
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O.map("customFrameFormat", C.customFrameFormat) &&
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O.map("customThreadFormat", C.customThreadFormat) &&
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O.map("sourcePath", C.sourcePath) &&
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O.mapOptional("initCommands", C.initCommands) &&
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O.mapOptional("preRunCommands", C.preRunCommands) &&
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O.mapOptional("postRunCommands", C.postRunCommands) &&
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O.mapOptional("stopCommands", C.stopCommands) &&
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O.mapOptional("exitCommands", C.exitCommands) &&
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O.mapOptional("terminateCommands", C.terminateCommands) &&
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O.map("program", C.program) && O.map("targetTriple", C.targetTriple) &&
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O.map("platformName", C.platformName) &&
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parseSourceMap(Params, C.sourceMap, P);
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}
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bool fromJSON(const json::Value &Params, LaunchRequestArguments &LRA,
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json::Path P) {
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json::ObjectMapper O(Params, P);
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return O && fromJSON(Params, LRA.configuration, P) &&
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O.mapOptional("noDebug", LRA.noDebug) &&
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O.mapOptional("launchCommands", LRA.launchCommands) &&
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O.map("cwd", LRA.cwd) && O.mapOptional("args", LRA.args) &&
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O.mapOptional("detachOnError", LRA.detachOnError) &&
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O.mapOptional("disableASLR", LRA.disableASLR) &&
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O.mapOptional("disableSTDIO", LRA.disableSTDIO) &&
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O.mapOptional("shellExpandArguments", LRA.shellExpandArguments) &&
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O.mapOptional("stopOnEntry", LRA.stopOnEntry) &&
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O.mapOptional("runInTerminal", LRA.runInTerminal) &&
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parseEnv(Params, LRA.env, P) && parseTimeout(Params, LRA.timeout, P);
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}
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bool fromJSON(const json::Value &Params, SourceArguments &SA, json::Path P) {
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json::ObjectMapper O(Params, P);
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return O && O.map("source", SA.source) &&
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O.map("sourceReference", SA.sourceReference);
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}
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json::Value toJSON(const SourceResponseBody &SA) {
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json::Object Result{{"content", SA.content}};
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if (SA.mimeType)
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Result.insert({"mimeType", SA.mimeType});
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return std::move(Result);
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}
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bool fromJSON(const llvm::json::Value &Params, NextArguments &NA,
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llvm::json::Path P) {
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json::ObjectMapper OM(Params, P);
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return OM && OM.map("threadId", NA.threadId) &&
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OM.mapOptional("singleThread", NA.singleThread) &&
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OM.mapOptional("granularity", NA.granularity);
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}
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bool fromJSON(const llvm::json::Value &Params, StepInArguments &SIA,
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llvm::json::Path P) {
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json::ObjectMapper OM(Params, P);
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return OM && OM.map("threadId", SIA.threadId) &&
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OM.map("targetId", SIA.targetId) &&
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OM.mapOptional("singleThread", SIA.singleThread) &&
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OM.mapOptional("granularity", SIA.granularity);
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}
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} // namespace lldb_dap::protocol
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