forked from OSchip/llvm-project
100 lines
3.1 KiB
C++
100 lines
3.1 KiB
C++
//===-- OptionGroupWatchpoint.cpp -------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Interpreter/OptionGroupWatchpoint.h"
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// C Includes
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// C++ Includes
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// Other libraries and framework includes
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// Project includes
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#include "lldb/Host/OptionParser.h"
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#include "lldb/Interpreter/Args.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 OptionEnumValueElement g_watch_type[] = {
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{OptionGroupWatchpoint::eWatchRead, "read", "Watch for read"},
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{OptionGroupWatchpoint::eWatchWrite, "write", "Watch for write"},
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{OptionGroupWatchpoint::eWatchReadWrite, "read_write",
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"Watch for read/write"},
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{0, nullptr, nullptr}};
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static OptionEnumValueElement g_watch_size[] = {
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{1, "1", "Watch for byte size of 1"},
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{2, "2", "Watch for byte size of 2"},
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{4, "4", "Watch for byte size of 4"},
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{8, "8", "Watch for byte size of 8"},
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{0, nullptr, nullptr}};
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static OptionDefinition g_option_table[] = {
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{LLDB_OPT_SET_1, false, "watch", 'w', OptionParser::eRequiredArgument,
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nullptr, 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, g_watch_size, 0, eArgTypeByteSize,
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"Number of bytes to use to watch a region."}};
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bool OptionGroupWatchpoint::IsWatchSizeSupported(uint32_t watch_size) {
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for (uint32_t i = 0; i < llvm::array_lengthof(g_watch_size); ++i) {
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if (g_watch_size[i].value == 0)
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break;
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if (watch_size == g_watch_size[i].value)
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return true;
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}
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return false;
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}
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OptionGroupWatchpoint::OptionGroupWatchpoint() : OptionGroup() {}
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OptionGroupWatchpoint::~OptionGroupWatchpoint() {}
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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 'w': {
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WatchType tmp_watch_type;
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tmp_watch_type = (WatchType)Args::StringToOptionEnum(
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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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watch_size = (uint32_t)Args::StringToOptionEnum(
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option_arg, g_option_table[option_idx].enum_values, 0, error);
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break;
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default:
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error.SetErrorStringWithFormat("unrecognized short option '%c'",
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short_option);
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break;
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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 = 0;
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}
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llvm::ArrayRef<OptionDefinition> OptionGroupWatchpoint::GetDefinitions() {
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return llvm::makeArrayRef(g_option_table);
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}
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