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Current Path: /usr/src/contrib/llvm-project/lldb/source/Breakpoint

usr / src / contrib / llvm-project / lldb / source / Breakpoint /

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📄 Breakpoint.cpp(38.18 KB)
📄 BreakpointID.cpp(3.66 KB)
📄 BreakpointIDList.cpp(12.99 KB)
📄 BreakpointList.cpp(5.97 KB)
📄 BreakpointLocation.cpp(21.31 KB)
📄 BreakpointLocationCollection.cpp(6.14 KB)
📄 BreakpointLocationList.cpp(10.13 KB)
📄 BreakpointName.cpp(2.5 KB)
📄 BreakpointOptions.cpp(22.65 KB)
📄 BreakpointPrecondition.cpp(909 B)
📄 BreakpointResolver.cpp(13.07 KB)
📄 BreakpointResolverAddress.cpp(6.65 KB)
📄 BreakpointResolverFileLine.cpp(10.01 KB)
📄 BreakpointResolverFileRegex.cpp(5.83 KB)
📄 BreakpointResolverName.cpp(15.42 KB)
📄 BreakpointResolverScripted.cpp(5.25 KB)
📄 BreakpointSite.cpp(7.09 KB)
📄 BreakpointSiteList.cpp(6.83 KB)
📄 Stoppoint.cpp(730 B)
📄 StoppointCallbackContext.cpp(874 B)
📄 StoppointLocation.cpp(1.14 KB)
📄 Watchpoint.cpp(13.03 KB)
📄 WatchpointList.cpp(7.97 KB)
📄 WatchpointOptions.cpp(5.69 KB)

Editing: BreakpointID.cpp

//===-- BreakpointID.cpp --------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#include <stdio.h>

#include "lldb/Breakpoint/Breakpoint.h"
#include "lldb/Breakpoint/BreakpointID.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/Stream.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;

static llvm::StringRef g_range_specifiers[] = {"-", "to", "To", "TO"};

// 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(llvm::StringRef str) {
  for (auto spec : g_range_specifiers) {
    if (spec == str)
      return true;
  }

return false;
}

bool BreakpointID::IsValidIDExpression(llvm::StringRef str) {
  return BreakpointID::ParseCanonicalReference(str).hasValue();
}

llvm::ArrayRef<llvm::StringRef> BreakpointID::GetRangeSpecifiers() {
  return llvm::makeArrayRef(g_range_specifiers);
}

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);
}

llvm::Optional<BreakpointID>
BreakpointID::ParseCanonicalReference(llvm::StringRef input) {
  break_id_t bp_id;
  break_id_t loc_id = LLDB_INVALID_BREAK_ID;

if (input.empty())
    return llvm::None;

// If it doesn't start with an integer, it's not valid.
  if (input.consumeInteger(0, bp_id))
    return llvm::None;

// period is optional, but if it exists, it must be followed by a number.
  if (input.consume_front(".")) {
    if (input.consumeInteger(0, loc_id))
      return llvm::None;
  }

// And at the end, the entire string must have been consumed.
  if (!input.empty())
    return llvm::None;

return BreakpointID(bp_id, loc_id);
}

bool BreakpointID::StringIsBreakpointName(llvm::StringRef str, Status &error) {
  error.Clear();
  if (str.empty())
  {
    error.SetErrorStringWithFormat("Empty breakpoint names are not allowed");
    return false;
  }

// First character must be a letter or _
  if (!isalpha(str[0]) && str[0] != '_')
  {
    error.SetErrorStringWithFormat("Breakpoint names must start with a "
                                   "character or underscore: %s",
                                   str.str().c_str());
    return false;
  }

// Cannot contain ., -, or space.
  if (str.find_first_of(".- ") != llvm::StringRef::npos) {
    error.SetErrorStringWithFormat("Breakpoint names cannot contain "
                                   "'.' or '-' or spaces: \"%s\"",
                                   str.str().c_str());
    return false;
  }

return true;
}

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Editing: BreakpointID.cpp

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