911e94c651
Completes the work started in #128262. This PR removes the old way of register request handlers with callbacks and makes the operator const.
115 lines
3.9 KiB
C++
115 lines
3.9 KiB
C++
//===-- SetDataBreakpointsRequestHandler.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 "DAP.h"
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#include "EventHelper.h"
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#include "JSONUtils.h"
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#include "RequestHandler.h"
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#include "Watchpoint.h"
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#include <set>
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namespace lldb_dap {
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// "SetDataBreakpointsRequest": {
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// "allOf": [ { "$ref": "#/definitions/Request" }, {
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// "type": "object",
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// "description": "Replaces all existing data breakpoints with new data
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// breakpoints.\nTo clear all data breakpoints, specify an empty
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// array.\nWhen a data breakpoint is hit, a `stopped` event (with reason
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// `data breakpoint`) is generated.\nClients should only call this request
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// if the corresponding capability `supportsDataBreakpoints` is true.",
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// "properties": {
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// "command": {
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// "type": "string",
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// "enum": [ "setDataBreakpoints" ]
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// },
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// "arguments": {
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// "$ref": "#/definitions/SetDataBreakpointsArguments"
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// }
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// },
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// "required": [ "command", "arguments" ]
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// }]
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// },
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// "SetDataBreakpointsArguments": {
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// "type": "object",
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// "description": "Arguments for `setDataBreakpoints` request.",
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// "properties": {
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// "breakpoints": {
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// "type": "array",
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// "items": {
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// "$ref": "#/definitions/DataBreakpoint"
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// },
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// "description": "The contents of this array replaces all existing data
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// breakpoints. An empty array clears all data breakpoints."
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// }
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// },
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// "required": [ "breakpoints" ]
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// },
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// "SetDataBreakpointsResponse": {
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// "allOf": [ { "$ref": "#/definitions/Response" }, {
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// "type": "object",
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// "description": "Response to `setDataBreakpoints` request.\nReturned is
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// information about each breakpoint created by this request.",
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// "properties": {
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// "body": {
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// "type": "object",
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// "properties": {
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// "breakpoints": {
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// "type": "array",
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// "items": {
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// "$ref": "#/definitions/Breakpoint"
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// },
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// "description": "Information about the data breakpoints. The array
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// elements correspond to the elements of the input argument
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// `breakpoints` array."
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// }
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// },
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// "required": [ "breakpoints" ]
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// }
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// },
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// "required": [ "body" ]
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// }]
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// }
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void SetDataBreakpointsRequestHandler::operator()(
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const llvm::json::Object &request) const {
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llvm::json::Object response;
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lldb::SBError error;
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FillResponse(request, response);
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const auto *arguments = request.getObject("arguments");
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const auto *breakpoints = arguments->getArray("breakpoints");
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llvm::json::Array response_breakpoints;
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dap.target.DeleteAllWatchpoints();
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std::vector<Watchpoint> watchpoints;
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if (breakpoints) {
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for (const auto &bp : *breakpoints) {
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const auto *bp_obj = bp.getAsObject();
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if (bp_obj)
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watchpoints.emplace_back(dap, *bp_obj);
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}
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}
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// If two watchpoints start at the same address, the latter overwrite the
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// former. So, we only enable those at first-seen addresses when iterating
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// backward.
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std::set<lldb::addr_t> addresses;
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for (auto iter = watchpoints.rbegin(); iter != watchpoints.rend(); ++iter) {
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if (addresses.count(iter->addr) == 0) {
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iter->SetWatchpoint();
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addresses.insert(iter->addr);
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}
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}
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for (auto wp : watchpoints)
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AppendBreakpoint(&wp, response_breakpoints);
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llvm::json::Object body;
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body.try_emplace("breakpoints", std::move(response_breakpoints));
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response.try_emplace("body", std::move(body));
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dap.SendJSON(llvm::json::Value(std::move(response)));
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}
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} // namespace lldb_dap
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