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//===-- 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/Log.h"
#include "lldb/Core/SourceManager.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 ®ex,
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);
}
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