llvm-project/lldb/tools/lldb-mi/MICmdArgValPrintValues.cpp

130 lines
4.4 KiB
C++

//===-- MICmdArgValPrintValues.cpp ------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// In-house headers:
#include "MICmdArgValPrintValues.h"
#include "MICmdArgContext.h"
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues constructor.
// Type: Method.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValPrintValues::CMICmdArgValPrintValues(void)
: m_nPrintValues(0)
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues constructor.
// Type: Method.
// Args: vrArgName - (R) Argument's name to search by.
// vbMandatory - (R) True = Yes must be present, false = optional argument.
// vbHandleByCmd - (R) True = Command processes *this option, false = not handled.
// Return: None.
// Throws: None.
//--
CMICmdArgValPrintValues::CMICmdArgValPrintValues(const CMIUtilString &vrArgName, const bool vbMandatory, const bool vbHandleByCmd)
: CMICmdArgValBaseTemplate(vrArgName, vbMandatory, vbHandleByCmd)
, m_nPrintValues(0)
{
}
//++ ------------------------------------------------------------------------------------
// Details: CMICmdArgValPrintValues destructor.
// Type: Overridden.
// Args: None.
// Return: None.
// Throws: None.
//--
CMICmdArgValPrintValues::~CMICmdArgValPrintValues(void)
{
}
//++ ------------------------------------------------------------------------------------
// Details: Parse the command's argument options string and try to extract the value *this
// argument is looking for.
// Type: Overridden.
// Args: vwArgContext - (RW) The command's argument options string.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdArgValPrintValues::Validate(CMICmdArgContext &vwArgContext)
{
if (vwArgContext.IsEmpty())
return m_bMandatory ? MIstatus::failure : MIstatus::success;
const CMIUtilString strArg(vwArgContext.GetArgs()[0]);
if (IsArgPrintValues(strArg) && ExtractPrintValues(strArg))
{
m_bFound = true;
m_bValid = true;
m_argValue = GetPrintValues();
vwArgContext.RemoveArg(strArg);
return MIstatus::success;
}
return MIstatus::failure;
}
//++ ------------------------------------------------------------------------------------
// Details: Examine the string and determine if it is a valid string type argument.
// Type: Method.
// Args: vrTxt - (R) Some text.
// Return: bool - True = yes valid arg, false = no.
// Throws: None.
//--
bool
CMICmdArgValPrintValues::IsArgPrintValues(const CMIUtilString &vrTxt) const
{
return (CMIUtilString::Compare(vrTxt, "0") || CMIUtilString::Compare(vrTxt, "--no-values") ||
CMIUtilString::Compare(vrTxt, "1") || CMIUtilString::Compare(vrTxt, "--all-values") ||
CMIUtilString::Compare(vrTxt, "2") || CMIUtilString::Compare(vrTxt, "--simple-values"));
}
//++ ------------------------------------------------------------------------------------
// Details: Extract the print-values from the print-values argument.
// Type: Method.
// Args: vrTxt - (R) Some text.
// Return: MIstatus::success - Functional succeeded.
// MIstatus::failure - Functional failed.
// Throws: None.
//--
bool
CMICmdArgValPrintValues::ExtractPrintValues(const CMIUtilString &vrTxt)
{
if (CMIUtilString::Compare(vrTxt, "0") || CMIUtilString::Compare(vrTxt, "--no-values"))
m_nPrintValues = 0;
else if (CMIUtilString::Compare(vrTxt, "1") || CMIUtilString::Compare(vrTxt, "--all-values"))
m_nPrintValues = 1;
else if (CMIUtilString::Compare(vrTxt, "2") || CMIUtilString::Compare(vrTxt, "--simple-values"))
m_nPrintValues = 2;
else
return MIstatus::failure;
return MIstatus::success;
}
//++ ------------------------------------------------------------------------------------
// Details: Retrieve the print-values found in the argument.
// Type: Method.
// Args: None.
// Return: MIuint - The print-values.
// Throws: None.
//--
MIuint
CMICmdArgValPrintValues::GetPrintValues(void) const
{
return m_nPrintValues;
}