Add support for fuzzing cppdap

Add build rules, scripts, basic corpus, and dictionary.
Currently requires recent clang toolchain.

fuzz/dictionary.txt

@@ -0,0 +1,225 @@
+"accessType"
+"adapterData"
+"adapterID"
+"additionalModuleColumns"
+"address"
+"addressRange"
+"algorithm"
+"allThreadsContinued"
+"allThreadsStopped"
+"args"
+"arguments"
+"attach"
+"attributeName"
+"attributes"
+"breakMode"
+"breakpoint"
+"breakpointLocations"
+"breakpoints"
+"cancel"
+"cancellable"
+"capabilities"
+"category"
+"checksum"
+"checksums"
+"clientID"
+"clientName"
+"column"
+"columnsStartAt1"
+"command"
+"completions"
+"completionTriggerCharacters"
+"condition"
+"configurationDone"
+"context"
+"continue"
+"continued"
+"count"
+"cwd"
+"data"
+"dataBreakpointInfo"
+"dataId"
+"dateTimeStamp"
+"default"
+"description"
+"disassemble"
+"disconnect"
+"endColumn"
+"endLine"
+"env"
+"evaluate"
+"evaluateName"
+"exceptionBreakpointFilters"
+"exceptionInfo"
+"exceptionOptions"
+"exitCode"
+"exited"
+"expensive"
+"expression"
+"expression"
+"filter"
+"filter"
+"filters"
+"format"
+"frameId"
+"fullTypeName"
+"goto"
+"gotoTargets"
+"group"
+"hex"
+"hitCondition"
+"id"
+"includeAll"
+"indexedVariables"
+"indexedVariables"
+"initialized"
+"innerException"
+"instruction"
+"instructionBytes"
+"instructionCount"
+"instructionOffset"
+"instructionPointerReference"
+"isLocalProcess"
+"isOptimized"
+"isUserCode"
+"kind"
+"label"
+"launch"
+"length"
+"levels"
+"line"
+"lines"
+"linesStartAt1"
+"loadedSource"
+"loadedSources"
+"locale"
+"location"
+"logMessage"
+"memoryReference"
+"message"
+"module"
+"moduleCount"
+"moduleId"
+"modules"
+"name"
+"namedVariables"
+"names"
+"negate"
+"next"
+"noDebug"
+"offset"
+"origin"
+"output"
+"parameterNames"
+"parameters"
+"parameterTypes"
+"parameterValues"
+"path"
+"pathFormat"
+"pause"
+"percentage"
+"pointerSize"
+"presentationHint"
+"preserveFocusHint"
+"process"
+"progressEnd"
+"progressId"
+"progressStart"
+"progressUpdate"
+"readMemory"
+"reason"
+"requestId"
+"resolveSymbols"
+"restart"
+"restartFrame"
+"reverseContinue"
+"runInTerminal"
+"scopes"
+"selectionLength"
+"selectionStart"
+"sendTelemetry"
+"seq"
+"setBreakpoints"
+"setDataBreakpoints"
+"setExceptionBreakpoints"
+"setExpression"
+"setFunctionBreakpoints"
+"setVariable"
+"showUser"
+"sortText"
+"source"
+"sourceModified"
+"sourceReference"
+"sources"
+"stackTrace"
+"start"
+"startFrame"
+"startMethod"
+"startModule"
+"stepBack"
+"stepIn"
+"stepInTargets"
+"stepOut"
+"stopped"
+"supportedChecksumAlgorithms"
+"supportsBreakpointLocationsRequest"
+"supportsCancelRequest"
+"supportsClipboardContext"
+"supportsCompletionsRequest"
+"supportsConditionalBreakpoints"
+"supportsConfigurationDoneRequest"
+"supportsDataBreakpoints"
+"supportsDelayedStackTraceLoading"
+"supportsDisassembleRequest"
+"supportsEvaluateForHovers"
+"supportsExceptionInfoRequest"
+"supportsExceptionOptions"
+"supportsFunctionBreakpoints"
+"supportsGotoTargetsRequest"
+"supportsHitConditionalBreakpoints"
+"supportsLoadedSourcesRequest"
+"supportsLogPoints"
+"supportsMemoryReferences"
+"supportsModulesRequest"
+"supportsProgressReporting"
+"supportsReadMemoryRequest"
+"supportsRestartFrame"
+"supportsRestartRequest"
+"supportsRunInTerminalRequest"
+"supportsSetExpression"
+"supportsSetVariable"
+"supportsStepBack"
+"supportsStepInTargetsRequest"
+"supportsTerminateRequest"
+"supportsTerminateThreadsRequest"
+"supportsValueFormattingOptions"
+"supportsVariablePaging"
+"supportsVariableType"
+"supportTerminateDebuggee"
+"symbol"
+"symbolFilePath"
+"symbolStatus"
+"systemProcessId"
+"targetId"
+"terminate"
+"terminated"
+"terminateDebuggee"
+"terminateThreads"
+"text"
+"thread"
+"threadId"
+"threadIds"
+"threads"
+"title"
+"title"
+"type"
+"typeName"
+"url"
+"urlLabel"
+"value"
+"variables"
+"variablesReference"
+"verified"
+"version"
+"visibility"
+"width"