114 lines
3.4 KiB
C++
114 lines
3.4 KiB
C++
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//===-- OptionGroupWatchpoint.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 "lldb/Interpreter/OptionGroupWatchpoint.h"
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#include "lldb/Host/OptionParser.h"
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#include "lldb/Interpreter/OptionArgParser.h"
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#include "lldb/Target/Language.h"
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#include "lldb/lldb-enumerations.h"
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using namespace lldb;
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using namespace lldb_private;
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static constexpr OptionEnumValueElement g_watch_type[] = {
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{
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OptionGroupWatchpoint::eWatchRead,
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"read",
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"Watch for read",
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},
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{
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OptionGroupWatchpoint::eWatchWrite,
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"write",
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"Watch for write",
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},
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{
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OptionGroupWatchpoint::eWatchModify,
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"modify",
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"Watch for modifications",
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},
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{
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OptionGroupWatchpoint::eWatchReadWrite,
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"read_write",
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"Watch for read/write",
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},
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};
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static constexpr OptionDefinition g_option_table[] = {
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{LLDB_OPT_SET_1, false, "watch", 'w', OptionParser::eRequiredArgument,
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nullptr, OptionEnumValues(g_watch_type), 0, eArgTypeWatchType,
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"Specify the type of watching to perform."},
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{LLDB_OPT_SET_1, false, "size", 's', OptionParser::eRequiredArgument,
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nullptr, {}, 0, eArgTypeByteSize,
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"Number of bytes to use to watch a region."},
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{LLDB_OPT_SET_2,
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false,
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"language",
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'l',
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OptionParser::eRequiredArgument,
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nullptr,
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{},
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0,
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eArgTypeLanguage,
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"Language of expression to run"}};
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Status
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OptionGroupWatchpoint::SetOptionValue(uint32_t option_idx,
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llvm::StringRef option_arg,
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ExecutionContext *execution_context) {
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Status error;
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const int short_option = g_option_table[option_idx].short_option;
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switch (short_option) {
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case 'l': {
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language_type = Language::GetLanguageTypeFromString(option_arg);
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if (language_type == eLanguageTypeUnknown) {
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StreamString sstr;
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sstr.Printf("Unknown language type: '%s' for expression. List of "
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"supported languages:\n",
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option_arg.str().c_str());
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Language::PrintSupportedLanguagesForExpressions(sstr, " ", "\n");
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error.SetErrorString(sstr.GetString());
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}
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break;
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}
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case 'w': {
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WatchType tmp_watch_type;
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tmp_watch_type = (WatchType)OptionArgParser::ToOptionEnum(
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option_arg, g_option_table[option_idx].enum_values, 0, error);
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if (error.Success()) {
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watch_type = tmp_watch_type;
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watch_type_specified = true;
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}
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break;
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}
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case 's':
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error = watch_size.SetValueFromString(option_arg);
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if (watch_size.GetCurrentValue() == 0)
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error.SetErrorStringWithFormat("invalid --size option value '%s'",
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option_arg.str().c_str());
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break;
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default:
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llvm_unreachable("Unimplemented option");
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}
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return error;
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}
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void OptionGroupWatchpoint::OptionParsingStarting(
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ExecutionContext *execution_context) {
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watch_type_specified = false;
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watch_type = eWatchInvalid;
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watch_size.Clear();
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language_type = eLanguageTypeUnknown;
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}
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llvm::ArrayRef<OptionDefinition> OptionGroupWatchpoint::GetDefinitions() {
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return llvm::ArrayRef(g_option_table);
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}
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