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133 lines
3.6 KiB
133 lines
3.6 KiB
/* 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 <cmext/algorithm>
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#include "cmExecutionStatus.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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static void GetIncludes(cmMakefile& mf, const std::string& arg,
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std::vector<std::string>& incs);
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static void NormalizeInclude(cmMakefile& mf, std::string& inc);
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bool cmIncludeDirectoryCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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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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cmMakefile& mf = status.GetMakefile();
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auto i = args.begin();
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bool before = mf.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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status.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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GetIncludes(mf, *i, includes);
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if (before) {
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cm::append(beforeIncludes, includes);
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} else {
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cm::append(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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mf.AddIncludeDirectories(afterIncludes);
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mf.AddIncludeDirectories(beforeIncludes, before);
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mf.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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static void GetIncludes(cmMakefile& mf, 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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NormalizeInclude(mf, 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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NormalizeInclude(mf, 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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static void NormalizeInclude(cmMakefile& mf, 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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!cmGeneratorExpression::StartsWithGeneratorExpression(inc)) {
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inc = cmStrCat(mf.GetCurrentSourceDirectory(), '/', inc);
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}
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}
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}
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