llvm-project/lldb/tools/lldb-mi/MICmdArgValNumber.h

71 lines
2.2 KiB
C++

//===-- MICmdArgValNumber.h -------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#pragma once
// In-house headers:
#include "MICmdArgValBase.h"
// Declarations:
class CMICmdArgContext;
//++
//============================================================================
// Details: MI common code class. Command argument class. Arguments object
// needing specialization derived from the CMICmdArgValBase class.
// An argument knows what type of argument it is and how it is to
// interpret the options (context) string to find and validate a
// matching
// argument and so extract a value from it .
// Based on the Interpreter pattern.
//--
class CMICmdArgValNumber : public CMICmdArgValBaseTemplate<MIint64> {
// Enums:
public:
//++
//---------------------------------------------------------------------------------
// Details: CMICmdArgValNumber needs to know what format of argument to look
// for in
// the command options text.
//--
enum ArgValNumberFormat_e {
eArgValNumberFormat_Decimal = (1u << 0),
eArgValNumberFormat_Hexadecimal = (1u << 1),
eArgValNumberFormat_Auto =
((eArgValNumberFormat_Hexadecimal << 1) -
1u) ///< Indicates to try and lookup everything up during a query.
};
// Methods:
public:
/* ctor */ CMICmdArgValNumber();
/* ctor */ CMICmdArgValNumber(
const CMIUtilString &vrArgName, const bool vbMandatory,
const bool vbHandleByCmd,
const MIuint vnNumberFormatMask = eArgValNumberFormat_Decimal);
//
bool IsArgNumber(const CMIUtilString &vrTxt) const;
// Overridden:
public:
// From CMICmdArgValBase
/* dtor */ ~CMICmdArgValNumber() override;
// From CMICmdArgSet::IArg
bool Validate(CMICmdArgContext &vwArgContext) override;
// Methods:
private:
bool ExtractNumber(const CMIUtilString &vrTxt);
MIint64 GetNumber() const;
// Attributes:
private:
MIuint m_nNumberFormatMask;
MIint64 m_nNumber;
};