mirror of
https://github.com/reactos/CMake.git
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332 lines
9.3 KiB
C++
332 lines
9.3 KiB
C++
/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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file Copyright.txt or https://cmake.org/licensing for details. */
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#include "cmSourceFile.h"
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#include <sstream>
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#include "cmCustomCommand.h"
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#include "cmGlobalGenerator.h"
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#include "cmMakefile.h"
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#include "cmProperty.h"
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#include "cmState.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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cmSourceFile::cmSourceFile(cmMakefile* mf, const std::string& name)
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: Location(mf, name)
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{
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this->CustomCommand = CM_NULLPTR;
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this->FindFullPathFailed = false;
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this->IsUiFile = (".ui" == cmSystemTools::GetFilenameLastExtension(
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this->Location.GetName()));
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}
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cmSourceFile::~cmSourceFile()
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{
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this->SetCustomCommand(CM_NULLPTR);
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}
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std::string const& cmSourceFile::GetExtension() const
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{
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return this->Extension;
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}
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const std::string cmSourceFile::propLANGUAGE = "LANGUAGE";
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void cmSourceFile::SetObjectLibrary(std::string const& objlib)
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{
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this->ObjectLibrary = objlib;
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}
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std::string cmSourceFile::GetObjectLibrary() const
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{
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return this->ObjectLibrary;
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}
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std::string cmSourceFile::GetLanguage()
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{
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// If the language was set explicitly by the user then use it.
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if (const char* lang = this->GetProperty(propLANGUAGE)) {
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return lang;
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}
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// Perform computation needed to get the language if necessary.
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if (this->FullPath.empty() && this->Language.empty()) {
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// If a known extension is given or a known full path is given
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// then trust that the current extension is sufficient to
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// determine the language. This will fail only if the user
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// specifies a full path to the source but leaves off the
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// extension, which is kind of weird.
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if (this->Location.ExtensionIsAmbiguous() &&
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this->Location.DirectoryIsAmbiguous()) {
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// Finalize the file location to get the extension and set the
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// language.
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this->GetFullPath();
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} else {
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// Use the known extension to get the language if possible.
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std::string ext =
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cmSystemTools::GetFilenameLastExtension(this->Location.GetName());
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this->CheckLanguage(ext);
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}
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}
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// Now try to determine the language.
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return static_cast<cmSourceFile const*>(this)->GetLanguage();
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}
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std::string cmSourceFile::GetLanguage() const
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{
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// If the language was set explicitly by the user then use it.
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if (const char* lang = this->GetProperty(propLANGUAGE)) {
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return lang;
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}
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// If the language was determined from the source file extension use it.
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if (!this->Language.empty()) {
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return this->Language;
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}
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// The language is not known.
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return "";
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}
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cmSourceFileLocation const& cmSourceFile::GetLocation() const
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{
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return this->Location;
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}
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std::string const& cmSourceFile::GetFullPath(std::string* error)
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{
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if (this->FullPath.empty()) {
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if (this->FindFullPath(error)) {
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this->CheckExtension();
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}
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}
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return this->FullPath;
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}
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std::string const& cmSourceFile::GetFullPath() const
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{
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return this->FullPath;
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}
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bool cmSourceFile::FindFullPath(std::string* error)
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{
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// If thie method has already failed once do not try again.
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if (this->FindFullPathFailed) {
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return false;
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}
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// If the file is generated compute the location without checking on
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// disk.
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if (this->GetPropertyAsBool("GENERATED")) {
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// The file is either already a full path or is relative to the
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// build directory for the target.
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this->Location.DirectoryUseBinary();
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this->FullPath = this->Location.GetDirectory();
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this->FullPath += "/";
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this->FullPath += this->Location.GetName();
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return true;
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}
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// The file is not generated. It must exist on disk.
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cmMakefile const* mf = this->Location.GetMakefile();
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const char* tryDirs[3] = { CM_NULLPTR, CM_NULLPTR, CM_NULLPTR };
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if (this->Location.DirectoryIsAmbiguous()) {
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tryDirs[0] = mf->GetCurrentSourceDirectory();
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tryDirs[1] = mf->GetCurrentBinaryDirectory();
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} else {
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tryDirs[0] = "";
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}
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const std::vector<std::string>& srcExts =
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mf->GetCMakeInstance()->GetSourceExtensions();
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std::vector<std::string> hdrExts =
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mf->GetCMakeInstance()->GetHeaderExtensions();
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for (const char* const* di = tryDirs; *di; ++di) {
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std::string tryPath = this->Location.GetDirectory();
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if (!tryPath.empty()) {
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tryPath += "/";
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}
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tryPath += this->Location.GetName();
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tryPath = cmSystemTools::CollapseFullPath(tryPath, *di);
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if (this->TryFullPath(tryPath, "")) {
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return true;
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}
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for (std::vector<std::string>::const_iterator ei = srcExts.begin();
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ei != srcExts.end(); ++ei) {
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if (this->TryFullPath(tryPath, *ei)) {
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return true;
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}
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}
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for (std::vector<std::string>::const_iterator ei = hdrExts.begin();
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ei != hdrExts.end(); ++ei) {
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if (this->TryFullPath(tryPath, *ei)) {
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return true;
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}
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}
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}
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std::ostringstream e;
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std::string missing = this->Location.GetDirectory();
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if (!missing.empty()) {
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missing += "/";
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}
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missing += this->Location.GetName();
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e << "Cannot find source file:\n " << missing << "\nTried extensions";
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for (std::vector<std::string>::const_iterator ext = srcExts.begin();
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ext != srcExts.end(); ++ext) {
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e << " ." << *ext;
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}
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for (std::vector<std::string>::const_iterator ext = hdrExts.begin();
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ext != hdrExts.end(); ++ext) {
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e << " ." << *ext;
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}
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if (error) {
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*error = e.str();
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} else {
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this->Location.GetMakefile()->IssueMessage(cmake::FATAL_ERROR, e.str());
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}
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this->FindFullPathFailed = true;
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return false;
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}
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bool cmSourceFile::TryFullPath(const std::string& path, const std::string& ext)
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{
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std::string tryPath = path;
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if (!ext.empty()) {
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tryPath += ".";
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tryPath += ext;
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}
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if (cmSystemTools::FileExists(tryPath.c_str())) {
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this->FullPath = tryPath;
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return true;
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}
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return false;
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}
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void cmSourceFile::CheckExtension()
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{
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// Compute the extension.
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std::string realExt =
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cmSystemTools::GetFilenameLastExtension(this->FullPath);
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if (!realExt.empty()) {
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// Store the extension without the leading '.'.
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this->Extension = realExt.substr(1);
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}
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// Look for object files.
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if (this->Extension == "obj" || this->Extension == "o" ||
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this->Extension == "lo") {
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this->SetProperty("EXTERNAL_OBJECT", "1");
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}
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// Try to identify the source file language from the extension.
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if (this->Language.empty()) {
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this->CheckLanguage(this->Extension);
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}
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}
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void cmSourceFile::CheckLanguage(std::string const& ext)
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{
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// Try to identify the source file language from the extension.
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cmMakefile const* mf = this->Location.GetMakefile();
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cmGlobalGenerator* gg = mf->GetGlobalGenerator();
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std::string l = gg->GetLanguageFromExtension(ext.c_str());
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if (!l.empty()) {
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this->Language = l;
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}
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}
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bool cmSourceFile::Matches(cmSourceFileLocation const& loc)
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{
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return this->Location.Matches(loc);
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}
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void cmSourceFile::SetProperty(const std::string& prop, const char* value)
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{
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this->Properties.SetProperty(prop, value);
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if (this->IsUiFile) {
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cmMakefile const* mf = this->Location.GetMakefile();
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if (prop == "AUTOUIC_OPTIONS") {
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const_cast<cmMakefile*>(mf)->AddQtUiFileWithOptions(this);
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}
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}
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}
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void cmSourceFile::AppendProperty(const std::string& prop, const char* value,
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bool asString)
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{
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this->Properties.AppendProperty(prop, value, asString);
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}
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const char* cmSourceFile::GetPropertyForUser(const std::string& prop)
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{
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// This method is a consequence of design history and backwards
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// compatibility. GetProperty is (and should be) a const method.
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// Computed properties should not be stored back in the property map
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// but instead reference information already known. If they need to
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// cache information in a mutable ivar to provide the return string
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// safely then so be it.
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//
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// The LOCATION property is particularly problematic. The CMake
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// language has very loose restrictions on the names that will match
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// a given source file (for historical reasons). Implementing
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// lookups correctly with such loose naming requires the
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// cmSourceFileLocation class to commit to a particular full path to
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// the source file as late as possible. If the users requests the
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// LOCATION property we must commit now.
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if (prop == "LOCATION") {
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// Commit to a location.
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this->GetFullPath();
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}
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// Perform the normal property lookup.
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return this->GetProperty(prop);
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}
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const char* cmSourceFile::GetProperty(const std::string& prop) const
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{
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// Check for computed properties.
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if (prop == "LOCATION") {
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if (this->FullPath.empty()) {
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return CM_NULLPTR;
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}
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return this->FullPath.c_str();
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}
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const char* retVal = this->Properties.GetPropertyValue(prop);
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if (!retVal) {
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cmMakefile const* mf = this->Location.GetMakefile();
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const bool chain =
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mf->GetState()->IsPropertyChained(prop, cmProperty::SOURCE_FILE);
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if (chain) {
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return mf->GetProperty(prop, chain);
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}
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}
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return retVal;
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}
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bool cmSourceFile::GetPropertyAsBool(const std::string& prop) const
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{
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return cmSystemTools::IsOn(this->GetProperty(prop));
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}
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cmCustomCommand* cmSourceFile::GetCustomCommand()
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{
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return this->CustomCommand;
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}
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cmCustomCommand const* cmSourceFile::GetCustomCommand() const
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{
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return this->CustomCommand;
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}
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void cmSourceFile::SetCustomCommand(cmCustomCommand* cc)
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{
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cmCustomCommand* old = this->CustomCommand;
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this->CustomCommand = cc;
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delete old;
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}
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