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//===-- OptionGroupWatchpoint.cpp -------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Interpreter/OptionGroupWatchpoint.h"
#include "lldb/Host/OptionParser.h"
#include "lldb/Interpreter/OptionArgParser.h"
#include "lldb/lldb-enumerations.h"
using namespace lldb;
using namespace lldb_private;
static constexpr OptionEnumValueElement g_watch_type[] = {
{OptionGroupWatchpoint::eWatchRead, "read", "Watch for read"},
{OptionGroupWatchpoint::eWatchWrite, "write", "Watch for write"},
{OptionGroupWatchpoint::eWatchReadWrite, "read_write",
"Watch for read/write"} };
static constexpr OptionEnumValueElement g_watch_size[] = {
{1, "1", "Watch for byte size of 1"},
{2, "2", "Watch for byte size of 2"},
{4, "4", "Watch for byte size of 4"},
{8, "8", "Watch for byte size of 8"} };
static constexpr OptionDefinition g_option_table[] = {
{LLDB_OPT_SET_1, false, "watch", 'w', OptionParser::eRequiredArgument,
nullptr, OptionEnumValues(g_watch_type), 0, eArgTypeWatchType,
"Specify the type of watching to perform."},
{LLDB_OPT_SET_1, false, "size", 's', OptionParser::eRequiredArgument,
nullptr, OptionEnumValues(g_watch_size), 0, eArgTypeByteSize,
"Number of bytes to use to watch a region."}};
bool OptionGroupWatchpoint::IsWatchSizeSupported(uint32_t watch_size) {
for (const auto& size : g_watch_size) {
if (0 == size.value)
break;
if (watch_size == size.value)
return true;
}
return false;
}
OptionGroupWatchpoint::OptionGroupWatchpoint() : OptionGroup() {}
OptionGroupWatchpoint::~OptionGroupWatchpoint() {}
Status
OptionGroupWatchpoint::SetOptionValue(uint32_t option_idx,
llvm::StringRef option_arg,
ExecutionContext *execution_context) {
Status error;
const int short_option = g_option_table[option_idx].short_option;
switch (short_option) {
case 'w': {
WatchType tmp_watch_type;
tmp_watch_type = (WatchType)OptionArgParser::ToOptionEnum(
option_arg, g_option_table[option_idx].enum_values, 0, error);
if (error.Success()) {
watch_type = tmp_watch_type;
watch_type_specified = true;
}
break;
}
case 's':
watch_size = (uint32_t)OptionArgParser::ToOptionEnum(
option_arg, g_option_table[option_idx].enum_values, 0, error);
break;
default:
error.SetErrorStringWithFormat("unrecognized short option '%c'",
short_option);
break;
}
return error;
}
void OptionGroupWatchpoint::OptionParsingStarting(
ExecutionContext *execution_context) {
watch_type_specified = false;
watch_type = eWatchInvalid;
watch_size = 0;
}
llvm::ArrayRef<OptionDefinition> OptionGroupWatchpoint::GetDefinitions() {
return llvm::makeArrayRef(g_option_table);
}
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