* Copyright 2009-2011, Ingo Weinhold, ingo_weinhold@gmx.de.
* Copyright 2002-2010, Axel Dörfler, axeld@pinc-software.de.
* Copyright 2012-2016, Rene Gollent, rene@gollent.com.
* Distributed under the terms of the MIT License.
*
* Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
* Distributed under the terms of the NewOS License.
*/
#include "CliDumpStringCommand.h"
#include <ctype.h>
#include <stdio.h>
#include <AutoLocker.h>
#include "CliContext.h"
#include "CppLanguage.h"
#include "Team.h"
#include "TeamMemoryBlock.h"
#include "UiUtils.h"
#include "UserInterface.h"
#include "Value.h"
#include "Variable.h"
CliDumpStringCommand::CliDumpStringCommand()
:
CliCommand("dump contents of a string in the debugged team's memory",
"%s [\"]address|expression[\"]\n"
"Reads and displays the contents of a null-terminated string at the target address.")
{
fLanguage = new(std::nothrow) CppLanguage();
}
CliDumpStringCommand::~CliDumpStringCommand()
{
if (fLanguage != NULL)
fLanguage->ReleaseReference();
}
void
CliDumpStringCommand::Execute(int argc, const char* const* argv,
CliContext& context)
{
if (argc < 2) {
PrintUsage(argv[0]);
return;
}
if (fLanguage == NULL) {
printf("Unable to evaluate expression: %s\n", strerror(B_NO_MEMORY));
return;
}
target_addr_t address;
if (context.EvaluateExpression(argv[1], fLanguage, address) != B_OK)
return;
TeamMemoryBlock* block = NULL;
if (context.GetMemoryBlock(address, block) != B_OK)
return;
printf("%p \"", (char*)address);
target_addr_t offset = address;
char c;
while (block->Contains(offset)) {
c = *(block->Data() + offset - block->BaseAddress());
if (c == '\0')
break;
if (c == '\n')
printf("\\n");
else if (c == '\t')
printf("\\t");
else {
if (!isprint(c))
c = '.';
printf("%c", c);
}
++offset;
}
printf("\"\n");
}
