mirror of
https://github.com/reactos/CMake.git
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9b334397f5
This patch is generated by a python script that uses regular expressions to search for string concatenation patterns of the kind ``` std::string str = <ARG0>; str += <ARG1>; str += <ARG2>; ... ``` and replaces them with a single `cmStrCat` call ``` std::string str = cmStrCat(<ARG0>, <ARG1>, <ARG2>, ...); ``` If any `<ARGX>` is itself a concatenated string of the kind ``` a + b + c + ...; ``` then `<ARGX>` is split into multiple arguments for the `cmStrCat` call. If there's a sequence of literals in the `<ARGX>`, then all literals in the sequence are concatenated and merged into a single literal argument for the `cmStrCat` call. Single character strings are converted to single char arguments for the `cmStrCat` call. `std::to_string(...)` wrappings are removed from `cmStrCat` arguments, because it supports numeric types as well as string types. `arg.substr(x)` arguments to `cmStrCat` are replaced with `cm::string_view(arg).substr(x)`
132 lines
3.5 KiB
C++
132 lines
3.5 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 "cmIncludeDirectoryCommand.h"
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#include <algorithm>
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#include <set>
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#include <utility>
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#include "cmAlgorithms.h"
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#include "cmGeneratorExpression.h"
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#include "cmMakefile.h"
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#include "cmStringAlgorithms.h"
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#include "cmSystemTools.h"
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class cmExecutionStatus;
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// cmIncludeDirectoryCommand
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bool cmIncludeDirectoryCommand::InitialPass(
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std::vector<std::string> const& args, cmExecutionStatus&)
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{
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if (args.empty()) {
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return true;
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}
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std::vector<std::string>::const_iterator i = args.begin();
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bool before = this->Makefile->IsOn("CMAKE_INCLUDE_DIRECTORIES_BEFORE");
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bool system = false;
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if ((*i) == "BEFORE") {
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before = true;
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++i;
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} else if ((*i) == "AFTER") {
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before = false;
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++i;
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}
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std::vector<std::string> beforeIncludes;
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std::vector<std::string> afterIncludes;
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std::set<std::string> systemIncludes;
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for (; i != args.end(); ++i) {
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if (*i == "SYSTEM") {
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system = true;
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continue;
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}
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if (i->empty()) {
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this->SetError("given empty-string as include directory.");
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return false;
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}
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std::vector<std::string> includes;
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this->GetIncludes(*i, includes);
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if (before) {
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cmAppend(beforeIncludes, includes);
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} else {
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cmAppend(afterIncludes, includes);
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}
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if (system) {
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systemIncludes.insert(includes.begin(), includes.end());
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}
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}
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std::reverse(beforeIncludes.begin(), beforeIncludes.end());
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this->Makefile->AddIncludeDirectories(afterIncludes);
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this->Makefile->AddIncludeDirectories(beforeIncludes, before);
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this->Makefile->AddSystemIncludeDirectories(systemIncludes);
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return true;
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}
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// do a lot of cleanup on the arguments because this is one place where folks
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// sometimes take the output of a program and pass it directly into this
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// command not thinking that a single argument could be filled with spaces
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// and newlines etc like below:
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//
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// " /foo/bar
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// /boo/hoo /dingle/berry "
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//
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// ideally that should be three separate arguments but when sucking the
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// output from a program and passing it into a command the cleanup doesn't
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// always happen
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//
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void cmIncludeDirectoryCommand::GetIncludes(const std::string& arg,
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std::vector<std::string>& incs)
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{
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// break apart any line feed arguments
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std::string::size_type pos = 0;
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std::string::size_type lastPos = 0;
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while ((pos = arg.find('\n', lastPos)) != std::string::npos) {
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if (pos) {
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std::string inc = arg.substr(lastPos, pos);
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this->NormalizeInclude(inc);
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if (!inc.empty()) {
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incs.push_back(std::move(inc));
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}
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}
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lastPos = pos + 1;
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}
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std::string inc = arg.substr(lastPos);
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this->NormalizeInclude(inc);
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if (!inc.empty()) {
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incs.push_back(std::move(inc));
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}
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}
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void cmIncludeDirectoryCommand::NormalizeInclude(std::string& inc)
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{
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std::string::size_type b = inc.find_first_not_of(" \r");
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std::string::size_type e = inc.find_last_not_of(" \r");
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if ((b != std::string::npos) && (e != std::string::npos)) {
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inc.assign(inc, b, 1 + e - b); // copy the remaining substring
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} else {
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inc.clear();
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return;
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}
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if (!cmIsOff(inc)) {
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cmSystemTools::ConvertToUnixSlashes(inc);
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if (!cmSystemTools::FileIsFullPath(inc)) {
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if (!cmGeneratorExpression::StartsWithGeneratorExpression(inc)) {
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std::string tmp =
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cmStrCat(this->Makefile->GetCurrentSourceDirectory(), '/', inc);
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inc = tmp;
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}
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}
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}
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}
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