| 1 | //===-- SetExceptionBreakpointsRequestHandler.cpp -------------------------===// |
|---|---|
| 2 | // |
| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
| 4 | // See https://llvm.org/LICENSE.txt for license information. |
| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
| 6 | // |
| 7 | //===----------------------------------------------------------------------===// |
| 8 | |
| 9 | #include "DAP.h" |
| 10 | #include "EventHelper.h" |
| 11 | #include "Protocol/ProtocolRequests.h" |
| 12 | #include "RequestHandler.h" |
| 13 | #include <set> |
| 14 | |
| 15 | using namespace llvm; |
| 16 | using namespace lldb_dap::protocol; |
| 17 | |
| 18 | namespace lldb_dap { |
| 19 | |
| 20 | /// The request configures the debugger’s response to thrown exceptions. Each of |
| 21 | /// the `filters`, `filterOptions`, and `exceptionOptions` in the request are |
| 22 | /// independent configurations to a debug adapter indicating a kind of exception |
| 23 | /// to catch. An exception thrown in a program should result in a `stopped` |
| 24 | /// event from the debug adapter (with reason `exception`) if any of the |
| 25 | /// configured filters match. |
| 26 | /// |
| 27 | /// Clients should only call this request if the corresponding capability |
| 28 | /// `exceptionBreakpointFilters` returns one or more filters. |
| 29 | Expected<SetExceptionBreakpointsResponseBody> |
| 30 | SetExceptionBreakpointsRequestHandler::Run( |
| 31 | const SetExceptionBreakpointsArguments &arguments) const { |
| 32 | // Keep a list of any exception breakpoint filter names that weren't set |
| 33 | // so we can clear any exception breakpoints if needed. |
| 34 | std::set<StringRef> unset_filters; |
| 35 | for (const auto &bp : dap.exception_breakpoints) |
| 36 | unset_filters.insert(x: bp.GetFilter()); |
| 37 | |
| 38 | SetExceptionBreakpointsResponseBody body; |
| 39 | for (const auto &filter : arguments.filters) { |
| 40 | auto *exc_bp = dap.GetExceptionBreakpoint(filter); |
| 41 | if (!exc_bp) |
| 42 | continue; |
| 43 | |
| 44 | body.breakpoints.push_back(x: exc_bp->SetBreakpoint()); |
| 45 | unset_filters.erase(x: filter); |
| 46 | } |
| 47 | for (const auto &filterOptions : arguments.filterOptions) { |
| 48 | auto *exc_bp = dap.GetExceptionBreakpoint(filter: filterOptions.filterId); |
| 49 | if (!exc_bp) |
| 50 | continue; |
| 51 | |
| 52 | body.breakpoints.push_back(x: exc_bp->SetBreakpoint(filterOptions.condition)); |
| 53 | unset_filters.erase(x: filterOptions.filterId); |
| 54 | } |
| 55 | |
| 56 | // Clear any unset filters. |
| 57 | for (const auto &filter : unset_filters) { |
| 58 | auto *exc_bp = dap.GetExceptionBreakpoint(filter); |
| 59 | if (!exc_bp) |
| 60 | continue; |
| 61 | |
| 62 | exc_bp->ClearBreakpoint(); |
| 63 | } |
| 64 | |
| 65 | return body; |
| 66 | } |
| 67 | |
| 68 | } // namespace lldb_dap |
| 69 |