llvm-project/lldb/source/Interpreter/OptionGroupVariable.cpp

145 lines
5.2 KiB
C++

//===-- OptionGroupVariable.cpp -----------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/lldb-python.h"
#include "lldb/Interpreter/OptionGroupVariable.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Core/Error.h"
#include "lldb/DataFormatters/DataVisualization.h"
#include "lldb/Interpreter/CommandInterpreter.h"
#include "lldb/Target/Target.h"
#include "lldb/Utility/Utils.h"
using namespace lldb;
using namespace lldb_private;
// if you add any options here, remember to update the counters in OptionGroupVariable::GetNumDefinitions()
static OptionDefinition
g_option_table[] =
{
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-args", 'a', no_argument, NULL, 0, eArgTypeNone, "Omit function arguments."},
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "no-locals", 'l', no_argument, NULL, 0, eArgTypeNone, "Omit local variables."},
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "show-globals", 'g', no_argument, NULL, 0, eArgTypeNone, "Show the current frame source file global and static variables."},
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "show-declaration",'c', no_argument, NULL, 0, eArgTypeNone, "Show variable declaration information (source file and line where the variable was declared)."},
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "regex", 'r', no_argument, NULL, 0, eArgTypeRegularExpression, "The <variable-name> argument for name lookups are regular expressions."},
{ LLDB_OPT_SET_1 | LLDB_OPT_SET_2, false, "scope", 's', no_argument, NULL, 0, eArgTypeNone, "Show variable scope (argument, local, global, static)."},
{ LLDB_OPT_SET_1, false, "summary", 'y', required_argument, NULL, 0, eArgTypeName, "Specify the summary that the variable output should use."},
{ LLDB_OPT_SET_2, false, "summary-string", 'z', required_argument, NULL, 0, eArgTypeName, "Specify a summary string to use to format the variable output."},
};
static Error
ValidateNamedSummary (const char* str, void*)
{
if (!str || !str[0])
return Error("must specify a valid named summary");
TypeSummaryImplSP summary_sp;
if (DataVisualization::NamedSummaryFormats::GetSummaryFormat(ConstString(str), summary_sp) == false)
return Error("must specify a valid named summary");
return Error();
}
static Error
ValidateSummaryString (const char* str, void*)
{
if (!str || !str[0])
return Error("must specify a non-empty summary string");
return Error();
}
OptionGroupVariable::OptionGroupVariable (bool show_frame_options) :
OptionGroup(),
include_frame_options (show_frame_options),
summary(ValidateNamedSummary),
summary_string(ValidateSummaryString)
{
}
OptionGroupVariable::~OptionGroupVariable ()
{
}
Error
OptionGroupVariable::SetOptionValue (CommandInterpreter &interpreter,
uint32_t option_idx,
const char *option_arg)
{
Error error;
if (!include_frame_options)
option_idx += 3;
const int short_option = g_option_table[option_idx].short_option;
switch (short_option)
{
case 'r': use_regex = true; break;
case 'a': show_args = false; break;
case 'l': show_locals = false; break;
case 'g': show_globals = true; break;
case 'c': show_decl = true; break;
case 's':
show_scope = true;
break;
case 'y':
error = summary.SetCurrentValue(option_arg);
break;
case 'z':
error = summary_string.SetCurrentValue(option_arg);
break;
default:
error.SetErrorStringWithFormat("unrecognized short option '%c'", short_option);
break;
}
return error;
}
void
OptionGroupVariable::OptionParsingStarting (CommandInterpreter &interpreter)
{
show_args = true; // Frame option only
show_locals = true; // Frame option only
show_globals = false; // Frame option only
show_decl = false;
use_regex = false;
show_scope = false;
summary.Clear();
summary_string.Clear();
}
#define NUM_FRAME_OPTS 3
const OptionDefinition*
OptionGroupVariable::GetDefinitions ()
{
// Show the "--no-args", "--no-locals" and "--show-globals"
// options if we are showing frame specific options
if (include_frame_options)
return g_option_table;
// Skip the "--no-args", "--no-locals" and "--show-globals"
// options if we are not showing frame specific options (globals only)
return &g_option_table[NUM_FRAME_OPTS];
}
uint32_t
OptionGroupVariable::GetNumDefinitions ()
{
// Count the "--no-args", "--no-locals" and "--show-globals"
// options if we are showing frame specific options.
if (include_frame_options)
return llvm::array_lengthof(g_option_table);
else
return llvm::array_lengthof(g_option_table) - NUM_FRAME_OPTS;
}