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//===-- CommandObjectSet.cpp ------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "CommandObjectSet.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Interpreter/CommandReturnObject.h"
using namespace lldb;
using namespace lldb_private;
//-------------------------------------------------------------------------
// CommandObjectSet
//-------------------------------------------------------------------------
CommandObjectSet::CommandObjectSet () :
CommandObject ("set",
"Allows the user to set or change the value of a single debugger setting variable.",
"set <setting_name> <value>")
{
}
CommandObjectSet::~CommandObjectSet()
{
}
bool
CommandObjectSet::Execute
(
Args& command,
CommandContext *context,
CommandInterpreter *interpreter,
CommandReturnObject &result
)
{
CommandInterpreter::VariableMap::iterator pos;
const int argc = command.GetArgumentCount();
if (argc < 1)
{
result.AppendError ("'set' takes at least two arguments");
result.SetStatus (eReturnStatusFailed);
return false;
}
const char *var_name = command.GetArgumentAtIndex(0);
const char *var_value = command.GetArgumentAtIndex(1);
if (var_name == NULL || var_name[0] == '\0')
{
result.AppendError ("'set' command requires a valid variable name; No value supplied");
result.SetStatus (eReturnStatusFailed);
}
else if (var_value == NULL || var_value[0] == '\0')
{
// No value given: Check to see if we're trying to clear an array.
StateVariable *var = interpreter->GetStateVariable (var_name);
if (var != NULL
&& var->GetType() == StateVariable::eTypeStringArray)
{
var->ArrayClearValues();
result.SetStatus (eReturnStatusSuccessFinishNoResult);
}
else
{
result.AppendError ("'set' command requires a valid variable value; No value supplied");
result.SetStatus (eReturnStatusFailed);
}
}
else
{
StateVariable *var = interpreter->GetStateVariable(var_name);
if (var == NULL)
{
result.AppendErrorWithFormat ("'%s' is not a settable internal variable.\n", var_name);
result.SetStatus (eReturnStatusFailed);
}
else
{
result.SetStatus (eReturnStatusSuccessFinishNoResult);
if (var->GetType() == StateVariable::eTypeBoolean)
{
bool success = false;
bool new_value = Args::StringToBoolean (var_value, false, &success);
if (success)
{
result.SetStatus(eReturnStatusSuccessFinishResult);
if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) &new_value, result))
var->SetBoolValue (new_value);
}
else
{
result.AppendErrorWithFormat ("Invalid boolean string '%s'.\n", var_value);
result.SetStatus (eReturnStatusFailed);
}
}
else if (var->GetType() == StateVariable::eTypeInteger)
{
bool success = false;
int new_value = Args::StringToSInt32(var_value, -1, 0, &success);
if (success)
{
result.SetStatus(eReturnStatusSuccessFinishResult);
if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) &new_value, result))
var->SetIntValue (new_value);
}
else
{
result.AppendErrorWithFormat ("Invalid boolean string '%s'.\n", var_value);
result.SetStatus (eReturnStatusFailed);
}
}
else if (var->GetType() == StateVariable::eTypeString)
{
if (!var->HasVerifyFunction() || var->VerifyValue (interpreter, (void *) var_value, result))
var->SetStringValue (var_value);
}
else if (var->GetType() == StateVariable::eTypeStringArray)
{
if (var_value == NULL || var_value[0] == '\0')
var->ArrayClearValues ();
else
{
command.Shift(); // shift off variable name
var->ArrayClearValues(); // clear the old values
var->GetArgs().AppendArguments (command); // set the new values.
}
}
else
{
result.AppendErrorWithFormat ("Variable '%s' has unrecognized type.\n",
var->GetName());
result.SetStatus (eReturnStatusFailed);
}
}
}
return result.Succeeded();
}
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