forked from OSchip/llvm-project
134 lines
3.9 KiB
C++
134 lines
3.9 KiB
C++
//===-- BreakpointID.cpp ----------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
// C Includes
|
|
#include <stdio.h>
|
|
|
|
// C++ Includes
|
|
// Other libraries and framework includes
|
|
// Project includes
|
|
#include "lldb/Breakpoint/BreakpointID.h"
|
|
#include "lldb/Breakpoint/Breakpoint.h"
|
|
#include "lldb/Core/Stream.h"
|
|
#include "lldb/Core/Error.h"
|
|
|
|
using namespace lldb;
|
|
using namespace lldb_private;
|
|
|
|
BreakpointID::BreakpointID (break_id_t bp_id, break_id_t loc_id) :
|
|
m_break_id (bp_id),
|
|
m_location_id (loc_id)
|
|
{
|
|
}
|
|
|
|
BreakpointID::~BreakpointID() = default;
|
|
|
|
const char *BreakpointID::g_range_specifiers[] = { "-", "to", "To", "TO", nullptr };
|
|
|
|
// Tells whether or not STR is valid to use between two strings representing breakpoint IDs, to
|
|
// indicate a range of breakpoint IDs. This is broken out into a separate function so that we can
|
|
// easily change or add to the format for specifying ID ranges at a later date.
|
|
|
|
bool
|
|
BreakpointID::IsRangeIdentifier (const char *str)
|
|
{
|
|
int specifier_count = 0;
|
|
for (int i = 0; g_range_specifiers[i] != nullptr; ++i)
|
|
++specifier_count;
|
|
|
|
for (int i = 0; i < specifier_count; ++i)
|
|
{
|
|
if (strcmp (g_range_specifiers[i], str) == 0)
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
BreakpointID::IsValidIDExpression (const char *str)
|
|
{
|
|
break_id_t bp_id;
|
|
break_id_t loc_id;
|
|
BreakpointID::ParseCanonicalReference (str, &bp_id, &loc_id);
|
|
|
|
return (bp_id != LLDB_INVALID_BREAK_ID);
|
|
}
|
|
|
|
void
|
|
BreakpointID::GetDescription (Stream *s, lldb::DescriptionLevel level)
|
|
{
|
|
if (level == eDescriptionLevelVerbose)
|
|
s->Printf("%p BreakpointID:", static_cast<void*>(this));
|
|
|
|
if (m_break_id == LLDB_INVALID_BREAK_ID)
|
|
s->PutCString ("<invalid>");
|
|
else if (m_location_id == LLDB_INVALID_BREAK_ID)
|
|
s->Printf("%i", m_break_id);
|
|
else
|
|
s->Printf("%i.%i", m_break_id, m_location_id);
|
|
}
|
|
|
|
void
|
|
BreakpointID::GetCanonicalReference (Stream *s, break_id_t bp_id, break_id_t loc_id)
|
|
{
|
|
if (bp_id == LLDB_INVALID_BREAK_ID)
|
|
s->PutCString ("<invalid>");
|
|
else if (loc_id == LLDB_INVALID_BREAK_ID)
|
|
s->Printf("%i", bp_id);
|
|
else
|
|
s->Printf("%i.%i", bp_id, loc_id);
|
|
}
|
|
|
|
bool
|
|
BreakpointID::ParseCanonicalReference (const char *input, break_id_t *break_id_ptr, break_id_t *break_loc_id_ptr)
|
|
{
|
|
*break_id_ptr = LLDB_INVALID_BREAK_ID;
|
|
*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
|
|
|
|
if (input == nullptr || *input == '\0')
|
|
return false;
|
|
|
|
const char *format = "%i%n.%i%n";
|
|
int chars_consumed_1 = 0;
|
|
int chars_consumed_2 = 0;
|
|
int n_items_parsed = ::sscanf (input,
|
|
format,
|
|
break_id_ptr, // %i parse the breakpoint ID
|
|
&chars_consumed_1, // %n gets the number of characters parsed so far
|
|
break_loc_id_ptr, // %i parse the breakpoint location ID
|
|
&chars_consumed_2); // %n gets the number of characters parsed so far
|
|
|
|
if ((n_items_parsed == 1 && input[chars_consumed_1] == '\0') ||
|
|
(n_items_parsed == 2 && input[chars_consumed_2] == '\0'))
|
|
return true;
|
|
|
|
// Badly formatted canonical reference.
|
|
*break_id_ptr = LLDB_INVALID_BREAK_ID;
|
|
*break_loc_id_ptr = LLDB_INVALID_BREAK_ID;
|
|
return false;
|
|
}
|
|
|
|
bool
|
|
BreakpointID::StringIsBreakpointName(const char *name, Error &error)
|
|
{
|
|
error.Clear();
|
|
|
|
if (name && (name[0] >= 'A' && name[0] <= 'z'))
|
|
{
|
|
if (strcspn(name, ".- ") != strlen(name))
|
|
{
|
|
error.SetErrorStringWithFormat("invalid breakpoint name: \"%s\"", name);
|
|
}
|
|
return true;
|
|
}
|
|
else
|
|
return false;
|
|
}
|