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//===-- Breakpoint.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 "Breakpoint.h"
#include "DAP.h"
#include "JSONUtils.h"
#include "llvm/ADT/StringExtras.h"
using namespace lldb_dap;
void Breakpoint::SetCondition() { bp.SetCondition(condition.c_str()); }
void Breakpoint::SetHitCondition() {
uint64_t hitCount = 0;
if (llvm::to_integer(hitCondition, hitCount))
bp.SetIgnoreCount(hitCount - 1);
}
void Breakpoint::CreateJsonObject(llvm::json::Object &object) {
// Each breakpoint location is treated as a separate breakpoint for VS code.
// They don't have the notion of a single breakpoint with multiple locations.
if (!bp.IsValid())
return;
object.try_emplace("verified", bp.GetNumResolvedLocations() > 0);
object.try_emplace("id", bp.GetID());
// VS Code DAP doesn't currently allow one breakpoint to have multiple
// locations so we just report the first one. If we report all locations
// then the IDE starts showing the wrong line numbers and locations for
// other source file and line breakpoints in the same file.
// Below we search for the first resolved location in a breakpoint and report
// this as the breakpoint location since it will have a complete location
// that is at least loaded in the current process.
lldb::SBBreakpointLocation bp_loc;
const auto num_locs = bp.GetNumLocations();
for (size_t i = 0; i < num_locs; ++i) {
bp_loc = bp.GetLocationAtIndex(i);
if (bp_loc.IsResolved())
break;
}
// If not locations are resolved, use the first location.
if (!bp_loc.IsResolved())
bp_loc = bp.GetLocationAtIndex(0);
auto bp_addr = bp_loc.GetAddress();
if (bp_addr.IsValid()) {
std::string formatted_addr =
"0x" + llvm::utohexstr(bp_addr.GetLoadAddress(g_dap.target));
object.try_emplace("instructionReference", formatted_addr);
auto line_entry = bp_addr.GetLineEntry();
const auto line = line_entry.GetLine();
if (line != UINT32_MAX)
object.try_emplace("line", line);
const auto column = line_entry.GetColumn();
if (column != 0)
object.try_emplace("column", column);
object.try_emplace("source", CreateSource(line_entry));
}
}
bool Breakpoint::MatchesName(const char *name) { return bp.MatchesName(name); }
void Breakpoint::SetBreakpoint() {
// See comments in BreakpointBase::GetBreakpointLabel() for details of why
// we add a label to our breakpoints.
bp.AddName(GetBreakpointLabel());
if (!condition.empty())
SetCondition();
if (!hitCondition.empty())
SetHitCondition();
}
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