llvm-project/lldb/source/Breakpoint/BreakpointResolverFileRegex...

139 lines
4.0 KiB
C++

//===-- BreakpointResolverFileRegex.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/Breakpoint/BreakpointResolverFileRegex.h"
// C Includes
// C++ Includes
// Other libraries and framework includes
// Project includes
#include "lldb/Breakpoint/BreakpointLocation.h"
#include "lldb/Core/SourceManager.h"
#include "lldb/Core/Log.h"
#include "lldb/Core/StreamString.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Target/Target.h"
using namespace lldb;
using namespace lldb_private;
//----------------------------------------------------------------------
// BreakpointResolverFileRegex:
//----------------------------------------------------------------------
BreakpointResolverFileRegex::BreakpointResolverFileRegex
(
Breakpoint *bkpt,
RegularExpression &regex,
const std::unordered_set<std::string> &func_names,
bool exact_match
) :
BreakpointResolver (bkpt, BreakpointResolver::FileLineResolver),
m_regex (regex),
m_exact_match (exact_match),
m_function_names(func_names)
{
}
BreakpointResolverFileRegex::~BreakpointResolverFileRegex ()
{
}
Searcher::CallbackReturn
BreakpointResolverFileRegex::SearchCallback
(
SearchFilter &filter,
SymbolContext &context,
Address *addr,
bool containing
)
{
assert (m_breakpoint != NULL);
if (!context.target_sp)
return eCallbackReturnContinue;
CompileUnit *cu = context.comp_unit;
FileSpec cu_file_spec = *(static_cast<FileSpec *>(cu));
std::vector<uint32_t> line_matches;
context.target_sp->GetSourceManager().FindLinesMatchingRegex(cu_file_spec, m_regex, 1, UINT32_MAX, line_matches);
uint32_t num_matches = line_matches.size();
for (uint32_t i = 0; i < num_matches; i++)
{
SymbolContextList sc_list;
const bool search_inlines = false;
cu->ResolveSymbolContext (cu_file_spec, line_matches[i], search_inlines, m_exact_match, eSymbolContextEverything, sc_list);
// Find all the function names:
if (!m_function_names.empty())
{
std::vector<size_t> sc_to_remove;
for (size_t i = 0; i < sc_list.GetSize(); i++)
{
SymbolContext sc_ctx;
sc_list.GetContextAtIndex(i, sc_ctx);
std::string name(sc_ctx.GetFunctionName(Mangled::NamePreference::ePreferDemangledWithoutArguments).AsCString());
if (!m_function_names.count(name))
{
sc_to_remove.push_back(i);
}
}
if (!sc_to_remove.empty())
{
std::vector<size_t>::reverse_iterator iter;
std::vector<size_t>::reverse_iterator rend = sc_to_remove.rend();
for (iter = sc_to_remove.rbegin(); iter != rend; iter++)
{
sc_list.RemoveContextAtIndex(*iter);
}
}
}
const bool skip_prologue = true;
BreakpointResolver::SetSCMatchesByLine (filter, sc_list, skip_prologue, m_regex.GetText());
}
assert (m_breakpoint != NULL);
return Searcher::eCallbackReturnContinue;
}
Searcher::Depth
BreakpointResolverFileRegex::GetDepth()
{
return Searcher::eDepthCompUnit;
}
void
BreakpointResolverFileRegex::GetDescription (Stream *s)
{
s->Printf ("source regex = \"%s\", exact_match = %d", m_regex.GetText(), m_exact_match);
}
void
BreakpointResolverFileRegex::Dump (Stream *s) const
{
}
lldb::BreakpointResolverSP
BreakpointResolverFileRegex::CopyForBreakpoint (Breakpoint &breakpoint)
{
lldb::BreakpointResolverSP ret_sp(new BreakpointResolverFileRegex(&breakpoint, m_regex, m_function_names, m_exact_match));
return ret_sp;
}
void
BreakpointResolverFileRegex::AddFunctionName(const char *func_name)
{
m_function_names.insert(func_name);
}