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//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
//
// copyright : (C) 2014 Eran Ifrah
// file name : includepathlocator.cpp
//
// -------------------------------------------------------------------------
// A
// _____ _ _ _ _
// / __ \ | | | | (_) |
// | / \/ ___ __| | ___| | _| |_ ___
// | | / _ \ / _ |/ _ \ | | | __/ _ )
// | \__/\ (_) | (_| | __/ |___| | || __/
// \____/\___/ \__,_|\___\_____/_|\__\___|
//
// F i l e
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
//////////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////////
#include "GCCMetadata.hpp"
#include "CxxPreProcessor.h"
#include "clTempFile.hpp"
#include "environmentconfig.h"
#include "file_logger.h"
#include "fileutils.h"
#include "globals.h"
#include "procutils.h"
#include <wx/dir.h>
#include <wx/fileconf.h>
#include <wx/tokenzr.h>
#include <wx/utils.h>
// we keep a cache entries to avoid running processes
// since thread_local is broken under windows, we use
// real locks here (at least it is for MinGW 7.3)
static std::unordered_map<wxString, GCCMetadata> s_cache;
static wxCriticalSection s_cs;
void GCCMetadata::GetMetadataFromCache(const wxString& tool, const wxString& rootDir, bool is_cygwin, GCCMetadata* md)
{
wxCriticalSectionLocker locker(s_cs);
if(s_cache.count(tool) == 0) {
GCCMetadata tmp(md->m_basename);
tmp.DoLoad(tool, rootDir, is_cygwin);
s_cache.insert({ tool, tmp });
}
const auto& cachedEntry = s_cache[tool];
*md = cachedEntry;
}
GCCMetadata::GCCMetadata(const wxString& basename)
: m_basename(basename)
{
}
GCCMetadata::~GCCMetadata() {}
void GCCMetadata::Load(const wxString& tool, const wxString& rootDir, bool is_cygwin)
{
// find an entry in the cache
// if no such entry exist, update the cache
GetMetadataFromCache(tool, rootDir, is_cygwin, this);
}
void GCCMetadata::DoLoad(const wxString& tool, const wxString& rootDir, bool is_cygwin)
{
m_searchPaths.clear();
m_target.clear();
// Common compiler paths - should be placed at top of the include path!
wxString command;
// GCC prints parts of its output to stdout and some to stderr
// redirect all output to stdout
wxString working_directory;
clTempFile tmpfile;
tmpfile.Write(wxEmptyString);
wxFileName cxx(tool);
clEnvList_t envlist;
wxString pathenv;
::wxGetEnv("PATH", &pathenv);
pathenv.Prepend(cxx.GetPath() + clPATH_SEPARATOR);
envlist.push_back({ "PATH", pathenv });
#ifdef __WXMSW__
if(::clIsCygwinEnvironment()) {
command << cxx.GetFullName() << " -v -x c++ /dev/null -fsyntax-only";
} else {
// execute the command from the tool directory
working_directory = cxx.GetPath();
::WrapWithQuotes(working_directory);
command << cxx.GetFullName() << " -xc++ -E -v " << tmpfile.GetFullPath(true) << " -fsyntax-only";
}
#else
command << cxx.GetFullName() << " -v -x c++ /dev/null -fsyntax-only";
#endif
wxString outputStr = RunCommand(command, working_directory, &envlist);
wxArrayString outputArr = wxStringTokenize(outputStr, wxT("\n\r"), wxTOKEN_STRTOK);
// Analyze the output
bool collect(false);
for(wxString& line : outputArr) {
line.Trim().Trim(false);
// search the scan starting point
if(line.Contains(wxT("#include <...> search starts here:"))) {
collect = true;
continue;
}
if(line.Contains(wxT("End of search list."))) {
break;
}
if(collect) {
line.Replace("(framework directory)", wxEmptyString);
#ifdef __WXMSW__
if(is_cygwin && line.StartsWith("/usr/lib")) {
line.Replace("/usr/lib", "/lib");
}
if(line.StartsWith("/")) {
// probably MSYS2 or Cygwin
// replace the "/" with the root folder
line.Prepend(rootDir);
}
#endif
// on Mac, (framework directory) appears also,
// but it is harmless to use it under all OSs
wxFileName includePath(line, wxEmptyString);
includePath.Normalize();
m_searchPaths.Add(includePath.GetPath());
}
}
// get the target
m_target = RunCommand(cxx.GetFullName() + " -dumpmachine", wxFileName(tool).GetPath(), &envlist);
wxString versionString = RunCommand(cxx.GetFullName() + " -dumpversion", wxFileName(tool).GetPath(), &envlist);
m_name << m_basename << "-" << versionString;
// load macros
clTempFile macrosFile;
macrosFile.Write(wxEmptyString);
wxString macros_command;
macros_command << cxx.GetFullName() << " -dM -E -xc++ " << macrosFile.GetFullPath(true);
clDEBUG() << "Loading built-in macros for compiler '" << GetName() << "' :" << macros_command << clEndl;
wxString macros = RunCommand(macros_command, working_directory, &envlist);
macrosFile.Write(macros);
clDEBUG() << "Compiler builtin macros are written into:" << macrosFile.GetFullPath() << endl;
// we got our macro files
CxxPreProcessor pp;
wxFileName cmpMacrosFile(macrosFile.GetFullPath());
pp.Parse(cmpMacrosFile, kLexerOpt_CollectMacroValueNumbers);
m_macros = pp.GetDefinitions();
LOG_IF_TRACE { clDEBUG1() << "GCC Metadata loaded for tool" << tool << endl; }
LOG_IF_TRACE { clDEBUG1() << "Name:" << GetName() << endl; }
LOG_IF_TRACE { clDEBUG1() << "Search paths:" << GetSearchPaths() << endl; }
LOG_IF_TRACE { clDEBUG1() << "Macros:" << GetMacros() << endl; }
LOG_IF_TRACE { clDEBUG1() << "Target:" << GetTarget() << endl; }
}
wxString GCCMetadata::RunCommand(const wxString& command, const wxString& working_directory, clEnvList_t* env)
{
clDEBUG() << "Running command:" << command << endl;
wxString outputStr;
IProcess::Ptr_t proc(::CreateSyncProcess(command, IProcessCreateDefault, working_directory, env));
if(proc) {
proc->WaitForTerminate(outputStr);
}
LOG_IF_TRACE { clDEBUG1() << "Output is:" << outputStr << endl; }
outputStr.Trim().Trim(false);
return outputStr;
}
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