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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 "cmCustomCommandGenerator.h"
#include "cmCustomCommand.h"
#include "cmCustomCommandLines.h"
#include "cmGeneratorExpression.h"
#include "cmGeneratorTarget.h"
#include "cmLocalGenerator.h"
#include "cmMakefile.h"
#include "cmOutputConverter.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cm_auto_ptr.hxx"
#include <cmConfigure.h>
cmCustomCommandGenerator::cmCustomCommandGenerator(cmCustomCommand const& cc,
const std::string& config,
cmLocalGenerator* lg)
: CC(cc)
, Config(config)
, LG(lg)
, OldStyle(cc.GetEscapeOldStyle())
, MakeVars(cc.GetEscapeAllowMakeVars())
, GE(new cmGeneratorExpression(cc.GetBacktrace()))
, DependsDone(false)
{
}
cmCustomCommandGenerator::~cmCustomCommandGenerator()
{
delete this->GE;
}
unsigned int cmCustomCommandGenerator::GetNumberOfCommands() const
{
return static_cast<unsigned int>(this->CC.GetCommandLines().size());
}
const char* cmCustomCommandGenerator::GetCrossCompilingEmulator(
unsigned int c) const
{
if (!this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING")) {
return CM_NULLPTR;
}
std::string const& argv0 = this->CC.GetCommandLines()[c][0];
cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
!target->IsImported()) {
return target->GetProperty("CROSSCOMPILING_EMULATOR");
}
return CM_NULLPTR;
}
const char* cmCustomCommandGenerator::GetArgv0Location(unsigned int c) const
{
std::string const& argv0 = this->CC.GetCommandLines()[c][0];
cmGeneratorTarget* target = this->LG->FindGeneratorTargetToUse(argv0);
if (target && target->GetType() == cmStateEnums::EXECUTABLE &&
(target->IsImported() ||
target->GetProperty("CROSSCOMPILING_EMULATOR") ||
!this->LG->GetMakefile()->IsOn("CMAKE_CROSSCOMPILING"))) {
return target->GetLocation(this->Config);
}
return CM_NULLPTR;
}
std::string cmCustomCommandGenerator::GetCommand(unsigned int c) const
{
if (const char* emulator = this->GetCrossCompilingEmulator(c)) {
return std::string(emulator);
}
if (const char* location = this->GetArgv0Location(c)) {
return std::string(location);
}
std::string const& argv0 = this->CC.GetCommandLines()[c][0];
CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = this->GE->Parse(argv0);
std::string exe = cge->Evaluate(this->LG, this->Config);
return exe;
}
std::string escapeForShellOldStyle(const std::string& str)
{
std::string result;
#if defined(_WIN32) && !defined(__CYGWIN__)
// if there are spaces
std::string temp = str;
if (temp.find(" ") != std::string::npos &&
temp.find("\"") == std::string::npos) {
result = "\"";
result += str;
result += "\"";
return result;
}
return str;
#else
for (const char* ch = str.c_str(); *ch != '\0'; ++ch) {
if (*ch == ' ') {
result += '\\';
}
result += *ch;
}
return result;
#endif
}
void cmCustomCommandGenerator::AppendArguments(unsigned int c,
std::string& cmd) const
{
unsigned int offset = 1;
if (this->GetCrossCompilingEmulator(c) != CM_NULLPTR) {
offset = 0;
}
cmCustomCommandLine const& commandLine = this->CC.GetCommandLines()[c];
for (unsigned int j = offset; j < commandLine.size(); ++j) {
std::string arg;
if (const char* location =
j == 0 ? this->GetArgv0Location(c) : CM_NULLPTR) {
// GetCommand returned the emulator instead of the argv0 location,
// so transform the latter now.
arg = location;
} else {
arg = this->GE->Parse(commandLine[j])->Evaluate(this->LG, this->Config);
}
cmd += " ";
if (this->OldStyle) {
cmd += escapeForShellOldStyle(arg);
} else {
cmOutputConverter converter(this->LG->GetStateSnapshot());
cmd += converter.EscapeForShell(arg, this->MakeVars);
}
}
}
const char* cmCustomCommandGenerator::GetComment() const
{
return this->CC.GetComment();
}
std::string cmCustomCommandGenerator::GetWorkingDirectory() const
{
return this->CC.GetWorkingDirectory();
}
std::vector<std::string> const& cmCustomCommandGenerator::GetOutputs() const
{
return this->CC.GetOutputs();
}
std::vector<std::string> const& cmCustomCommandGenerator::GetByproducts() const
{
return this->CC.GetByproducts();
}
std::vector<std::string> const& cmCustomCommandGenerator::GetDepends() const
{
if (!this->DependsDone) {
this->DependsDone = true;
std::vector<std::string> depends = this->CC.GetDepends();
for (std::vector<std::string>::const_iterator i = depends.begin();
i != depends.end(); ++i) {
CM_AUTO_PTR<cmCompiledGeneratorExpression> cge = this->GE->Parse(*i);
std::vector<std::string> result;
cmSystemTools::ExpandListArgument(cge->Evaluate(this->LG, this->Config),
result);
for (std::vector<std::string>::iterator it = result.begin();
it != result.end(); ++it) {
if (cmSystemTools::FileIsFullPath(it->c_str())) {
*it = cmSystemTools::CollapseFullPath(*it);
}
}
this->Depends.insert(this->Depends.end(), result.begin(), result.end());
}
}
return this->Depends;
}
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