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4a6348dbbd
This reintroduces the change from commit v3.10.0-rc1~69^2 (Performance: Improve efficiency of source file lookup in cmMakefile, 2017-08-17) with some corrections. The original was rolled back by commit v3.10.0-rc1~52^2~1 (Revert "Performance: ...", 2017-09-25) due to incompatibilities found. The rollback was followed-up by addition of a test for the offending case, and this revision passes the test.
79 lines
2.4 KiB
C++
79 lines
2.4 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 "cmAuxSourceDirectoryCommand.h"
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#include "cmsys/Directory.hxx"
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#include <algorithm>
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#include <stddef.h>
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#include "cmAlgorithms.h"
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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#include "cmSystemTools.h"
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#include "cmake.h"
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class cmExecutionStatus;
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// cmAuxSourceDirectoryCommand
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bool cmAuxSourceDirectoryCommand::InitialPass(
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std::vector<std::string> const& args, cmExecutionStatus&)
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{
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if (args.size() != 2) {
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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std::string sourceListValue;
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std::string const& templateDirectory = args[0];
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std::string tdir;
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if (!cmSystemTools::FileIsFullPath(templateDirectory.c_str())) {
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tdir = this->Makefile->GetCurrentSourceDirectory();
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tdir += "/";
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tdir += templateDirectory;
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} else {
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tdir = templateDirectory;
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}
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// was the list already populated
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const char* def = this->Makefile->GetDefinition(args[1]);
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if (def) {
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sourceListValue = def;
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}
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std::vector<std::string> files;
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// Load all the files in the directory
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cmsys::Directory dir;
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if (dir.Load(tdir)) {
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size_t numfiles = dir.GetNumberOfFiles();
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for (size_t i = 0; i < numfiles; ++i) {
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std::string file = dir.GetFile(static_cast<unsigned long>(i));
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// Split the filename into base and extension
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std::string::size_type dotpos = file.rfind('.');
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if (dotpos != std::string::npos) {
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std::string ext = file.substr(dotpos + 1);
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std::string base = file.substr(0, dotpos);
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// Process only source files
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auto cm = this->Makefile->GetCMakeInstance();
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if (!base.empty() && cm->IsSourceExtension(ext)) {
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std::string fullname = templateDirectory;
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fullname += "/";
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fullname += file;
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// add the file as a class file so
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// depends can be done
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cmSourceFile* sf = this->Makefile->GetOrCreateSource(fullname);
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sf->SetProperty("ABSTRACT", "0");
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files.push_back(fullname);
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}
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}
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}
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}
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std::sort(files.begin(), files.end());
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if (!sourceListValue.empty()) {
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sourceListValue += ";";
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}
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sourceListValue += cmJoin(files, ";");
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this->Makefile->AddDefinition(args[1], sourceListValue.c_str());
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return true;
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}
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