Coverage Report

Created: 2022-01-18 06:27

/Users/buildslave/jenkins/workspace/coverage/llvm-project/lldb/include/lldb/Interpreter/OptionValueString.h
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//===-- OptionValueString.h -------------------------------------*- C++ -*-===//
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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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#ifndef LLDB_INTERPRETER_OPTIONVALUESTRING_H
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#define LLDB_INTERPRETER_OPTIONVALUESTRING_H
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#include <string>
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#include "lldb/Utility/Flags.h"
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#include "lldb/Interpreter/OptionValue.h"
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namespace lldb_private {
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class OptionValueString : public Cloneable<OptionValueString, OptionValue> {
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public:
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  typedef Status (*ValidatorCallback)(const char *string, void *baton);
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  enum Options { eOptionEncodeCharacterEscapeSequences = (1u << 0) };
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  OptionValueString() = default;
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  OptionValueString(ValidatorCallback validator, void *baton = nullptr)
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      : m_validator(validator), m_validator_baton(baton) {}
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  OptionValueString(const char *value) {
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    if (value && value[0]) {
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      m_current_value.assign(value);
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      m_default_value.assign(value);
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    }
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  }
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  OptionValueString(const char *current_value, const char *default_value) {
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    if (current_value && current_value[0])
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      m_current_value.assign(current_value);
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    if (default_value && default_value[0])
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      m_default_value.assign(default_value);
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  }
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  OptionValueString(const char *value, ValidatorCallback validator,
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                    void *baton = nullptr)
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      : m_validator(validator), m_validator_baton(baton) {
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    if (value && value[0]) {
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      m_current_value.assign(value);
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      m_default_value.assign(value);
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    }
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  }
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  OptionValueString(const char *current_value, const char *default_value,
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                    ValidatorCallback validator, void *baton = nullptr)
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      : m_validator(validator), m_validator_baton(baton) {
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    if (current_value && current_value[0])
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      m_current_value.assign(current_value);
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    if (default_value && default_value[0])
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      m_default_value.assign(default_value);
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  }
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  ~OptionValueString() override = default;
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  // Virtual subclass pure virtual overrides
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  OptionValue::Type GetType() const override { return eTypeString; }
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  void DumpValue(const ExecutionContext *exe_ctx, Stream &strm,
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                 uint32_t dump_mask) override;
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  Status
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  SetValueFromString(llvm::StringRef value,
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                     VarSetOperationType op = eVarSetOperationAssign) override;
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  void Clear() override {
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    m_current_value = m_default_value;
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    m_value_was_set = false;
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  }
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  // Subclass specific functions
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  Flags &GetOptions() { return m_options; }
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  const Flags &GetOptions() const { return m_options; }
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  const char *operator=(const char *value) {
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    SetCurrentValue(value);
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    return m_current_value.c_str();
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  }
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  const char *GetCurrentValue() const { return m_current_value.c_str(); }
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  llvm::StringRef GetCurrentValueAsRef() const { return m_current_value; }
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  const char *GetDefaultValue() const { return m_default_value.c_str(); }
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  llvm::StringRef GetDefaultValueAsRef() const { return m_default_value; }
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  Status SetCurrentValue(llvm::StringRef value);
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  Status AppendToCurrentValue(const char *value);
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  void SetDefaultValue(const char *value) {
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    if (value && value[0])
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      m_default_value.assign(value);
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    else
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      m_default_value.clear();
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  }
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  bool IsCurrentValueEmpty() const { return m_current_value.empty(); }
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  bool IsDefaultValueEmpty() const { return m_default_value.empty(); }
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protected:
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  std::string m_current_value;
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  std::string m_default_value;
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  Flags m_options;
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  ValidatorCallback m_validator = nullptr;
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  void *m_validator_baton = nullptr;
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};
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} // namespace lldb_private
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#endif // LLDB_INTERPRETER_OPTIONVALUESTRING_H