78 lines
2.5 KiB
C++
78 lines
2.5 KiB
C++
//===-- Trace.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/Target/Trace.h"
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#include <sstream>
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#include "llvm/Support/Format.h"
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#include "lldb/Core/PluginManager.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace llvm;
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llvm::Expected<lldb::TraceSP> Trace::FindPlugin(Debugger &debugger,
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const json::Value &settings,
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StringRef info_dir) {
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llvm::Expected<const json::Object &> settings_obj =
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json_helpers::ToObjectOrError(settings);
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if (!settings_obj)
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return settings_obj.takeError();
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llvm::Expected<const json::Object &> trace =
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json_helpers::GetObjectOrError(*settings_obj, "trace");
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if (!trace)
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return trace.takeError();
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llvm::Expected<StringRef> type =
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json_helpers::GetStringOrError(*trace, "type");
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if (!type)
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return type.takeError();
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ConstString plugin_name(*type);
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auto create_callback = PluginManager::GetTraceCreateCallback(plugin_name);
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if (create_callback) {
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TraceSP instance = create_callback();
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if (llvm::Error err =
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instance->ParseSettings(debugger, *settings_obj, info_dir))
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return std::move(err);
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return instance;
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}
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return createStringError(
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std::errc::invalid_argument,
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"no trace plug-in matches the specified type: \"%s\"",
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plugin_name.AsCString());
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}
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llvm::Expected<lldb::TraceSP> Trace::FindPlugin(StringRef name) {
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ConstString plugin_name(name);
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auto create_callback = PluginManager::GetTraceCreateCallback(plugin_name);
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if (create_callback)
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return create_callback();
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return createStringError(
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std::errc::invalid_argument,
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"no trace plug-in matches the specified type: \"%s\"",
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plugin_name.AsCString());
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}
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llvm::Error Trace::ParseSettings(Debugger &debugger,
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const llvm::json::Object &settings,
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llvm::StringRef settings_dir) {
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if (llvm::Error err =
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CreateParser()->ParseSettings(debugger, settings, settings_dir))
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return err;
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return llvm::Error::success();
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}
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llvm::StringRef Trace::GetSchema() { return CreateParser()->GetSchema(); }
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