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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool.h"
#include <sstream>
#include <cmsys/RegularExpression.hxx>
#include "cmRuntimeDependencyArchive.h"
#include "cmUVProcessChain.h"
cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::
cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool(
cmRuntimeDependencyArchive* archive)
: cmBinUtilsMacOSMachOGetRuntimeDependenciesTool(archive)
{
}
bool cmBinUtilsMacOSMachOOToolGetRuntimeDependenciesTool::GetFileInfo(
std::string const& file, std::vector<std::string>& libs,
std::vector<std::string>& rpaths)
{
std::vector<std::string> command;
if (!this->Archive->GetGetRuntimeDependenciesCommand("otool", command)) {
this->SetError("Could not find otool");
return false;
}
command.emplace_back("-l");
command.emplace_back(file);
cmUVProcessChainBuilder builder;
builder.SetBuiltinStream(cmUVProcessChainBuilder::Stream_OUTPUT)
.AddCommand(command);
auto process = builder.Start();
if (!process.Valid()) {
std::ostringstream e;
e << "Failed to start otool process for:\n " << file;
this->SetError(e.str());
return false;
}
std::string line;
static const cmsys::RegularExpression rpathRegex("^ *cmd LC_RPATH$");
static const cmsys::RegularExpression loadDylibRegex(
"^ *cmd LC_LOAD(_WEAK)?_DYLIB$");
static const cmsys::RegularExpression pathRegex(
"^ *path (.*) \\(offset [0-9]+\\)$");
static const cmsys::RegularExpression nameRegex(
"^ *name (.*) \\(offset [0-9]+\\)$");
while (std::getline(*process.OutputStream(), line)) {
cmsys::RegularExpressionMatch cmdMatch;
if (rpathRegex.find(line.c_str(), cmdMatch)) {
if (!std::getline(*process.OutputStream(), line) ||
!std::getline(*process.OutputStream(), line)) {
this->SetError("Invalid output from otool");
return false;
}
cmsys::RegularExpressionMatch pathMatch;
if (pathRegex.find(line.c_str(), pathMatch)) {
rpaths.push_back(pathMatch.match(1));
} else {
this->SetError("Invalid output from otool");
return false;
}
} else if (loadDylibRegex.find(line.c_str(), cmdMatch)) {
if (!std::getline(*process.OutputStream(), line) ||
!std::getline(*process.OutputStream(), line)) {
this->SetError("Invalid output from otool");
return false;
}
cmsys::RegularExpressionMatch nameMatch;
if (nameRegex.find(line.c_str(), nameMatch)) {
libs.push_back(nameMatch.match(1));
} else {
this->SetError("Invalid output from otool");
return false;
}
}
}
if (!process.Wait()) {
std::ostringstream e;
e << "Failed to wait on otool process for:\n " << file;
this->SetError(e.str());
return false;
}
auto status = process.GetStatus();
if (!status[0] || status[0]->ExitStatus != 0) {
std::ostringstream e;
e << "Failed to run otool on:\n " << file;
this->SetError(e.str());
return false;
}
return true;
}
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