| 1 | //===-- SetExceptionBreakpointsRequestHandler.cpp -------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "DAP.h" |
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| 10 | #include "EventHelper.h" |
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| 11 | #include "JSONUtils.h" |
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| 12 | #include "RequestHandler.h" |
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| 13 | #include <set> |
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| 14 | |
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| 15 | namespace lldb_dap { |
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| 16 | |
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| 17 | // "SetExceptionBreakpointsRequest": { |
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| 18 | // "allOf": [ { "$ref": "#/definitions/Request" }, { |
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| 19 | // "type": "object", |
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| 20 | // "description": "SetExceptionBreakpoints request; value of command field |
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| 21 | // is 'setExceptionBreakpoints'. The request configures the debuggers |
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| 22 | // response to thrown exceptions. If an exception is configured to break, a |
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| 23 | // StoppedEvent is fired (event type 'exception').", "properties": { |
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| 24 | // "command": { |
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| 25 | // "type": "string", |
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| 26 | // "enum": [ "setExceptionBreakpoints" ] |
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| 27 | // }, |
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| 28 | // "arguments": { |
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| 29 | // "$ref": "#/definitions/SetExceptionBreakpointsArguments" |
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| 30 | // } |
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| 31 | // }, |
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| 32 | // "required": [ "command", "arguments" ] |
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| 33 | // }] |
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| 34 | // }, |
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| 35 | // "SetExceptionBreakpointsArguments": { |
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| 36 | // "type": "object", |
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| 37 | // "description": "Arguments for 'setExceptionBreakpoints' request.", |
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| 38 | // "properties": { |
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| 39 | // "filters": { |
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| 40 | // "type": "array", |
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| 41 | // "items": { |
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| 42 | // "type": "string" |
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| 43 | // }, |
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| 44 | // "description": "IDs of checked exception options. The set of IDs is |
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| 45 | // returned via the 'exceptionBreakpointFilters' capability." |
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| 46 | // }, |
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| 47 | // "exceptionOptions": { |
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| 48 | // "type": "array", |
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| 49 | // "items": { |
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| 50 | // "$ref": "#/definitions/ExceptionOptions" |
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| 51 | // }, |
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| 52 | // "description": "Configuration options for selected exceptions." |
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| 53 | // } |
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| 54 | // }, |
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| 55 | // "required": [ "filters" ] |
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| 56 | // }, |
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| 57 | // "SetExceptionBreakpointsResponse": { |
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| 58 | // "allOf": [ { "$ref": "#/definitions/Response" }, { |
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| 59 | // "type": "object", |
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| 60 | // "description": "Response to 'setExceptionBreakpoints' request. This is |
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| 61 | // just an acknowledgement, so no body field is required." |
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| 62 | // }] |
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| 63 | // } |
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| 64 | void SetExceptionBreakpointsRequestHandler::operator()( |
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| 65 | const llvm::json::Object &request) const { |
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| 66 | llvm::json::Object response; |
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| 67 | lldb::SBError error; |
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| 68 | FillResponse(request, response); |
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| 69 | const auto *arguments = request.getObject(K: "arguments" ); |
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| 70 | const auto *filters = arguments->getArray(K: "filters" ); |
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| 71 | // Keep a list of any exception breakpoint filter names that weren't set |
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| 72 | // so we can clear any exception breakpoints if needed. |
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| 73 | std::set<llvm::StringRef> unset_filters; |
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| 74 | for (const auto &bp : *dap.exception_breakpoints) |
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| 75 | unset_filters.insert(x: bp.GetFilter()); |
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| 76 | |
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| 77 | for (const auto &value : *filters) { |
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| 78 | const auto filter = GetAsString(value); |
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| 79 | auto *exc_bp = dap.GetExceptionBreakpoint(filter); |
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| 80 | if (exc_bp) { |
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| 81 | exc_bp->SetBreakpoint(); |
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| 82 | unset_filters.erase(x: std::string(filter)); |
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| 83 | } |
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| 84 | } |
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| 85 | for (const auto &filter : unset_filters) { |
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| 86 | auto *exc_bp = dap.GetExceptionBreakpoint(filter); |
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| 87 | if (exc_bp) |
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| 88 | exc_bp->ClearBreakpoint(); |
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| 89 | } |
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| 90 | dap.SendJSON(json: llvm::json::Value(std::move(response))); |
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| 91 | } |
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| 92 | |
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| 93 | } // namespace lldb_dap |
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| 94 | |
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