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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file LICENSE.rst or https://cmake.org/licensing for details. */
#include "cmIncludeCommand.h"
#include <map>
#include <utility>
#include "cmExecutionStatus.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmMessageType.h"
#include "cmPolicies.h"
#include "cmStringAlgorithms.h"
#include "cmSystemTools.h"
// cmIncludeCommand
bool cmIncludeCommand(std::vector<std::string> const& args,
cmExecutionStatus& status)
{
static std::map<std::string, cmPolicies::PolicyID> DeprecatedModules;
if (DeprecatedModules.empty()) {
DeprecatedModules["CMakeDetermineVSServicePack"] = cmPolicies::CMP0196;
DeprecatedModules["CMakeFindFrameworks"] = cmPolicies::CMP0173;
DeprecatedModules["Dart"] = cmPolicies::CMP0145;
DeprecatedModules["Documentation"] = cmPolicies::CMP0106;
DeprecatedModules["FindBoost"] = cmPolicies::CMP0167;
DeprecatedModules["FindCABLE"] = cmPolicies::CMP0191;
DeprecatedModules["FindCUDA"] = cmPolicies::CMP0146;
DeprecatedModules["FindDart"] = cmPolicies::CMP0145;
DeprecatedModules["FindGCCXML"] = cmPolicies::CMP0188;
DeprecatedModules["FindPythonInterp"] = cmPolicies::CMP0148;
DeprecatedModules["FindPythonLibs"] = cmPolicies::CMP0148;
DeprecatedModules["WriteCompilerDetectionHeader"] = cmPolicies::CMP0120;
}
if (args.empty() || args.size() > 4) {
status.SetError("called with wrong number of arguments. "
"include() only takes one file.");
return false;
}
bool optional = false;
bool noPolicyScope = false;
std::string fname = args[0];
std::string resultVarName;
for (unsigned int i = 1; i < args.size(); i++) {
if (args[i] == "OPTIONAL") {
if (optional) {
status.SetError("called with invalid arguments: OPTIONAL used twice");
return false;
}
optional = true;
} else if (args[i] == "RESULT_VARIABLE") {
if (!resultVarName.empty()) {
status.SetError("called with invalid arguments: "
"only one result variable allowed");
return false;
}
if (++i < args.size()) {
resultVarName = args[i];
} else {
status.SetError("called with no value for RESULT_VARIABLE.");
return false;
}
} else if (args[i] == "NO_POLICY_SCOPE") {
noPolicyScope = true;
} else if (i > 1) // compat.: in previous cmake versions the second
// parameter was ignored if it wasn't "OPTIONAL"
{
std::string errorText =
cmStrCat("called with invalid argument: ", args[i]);
status.SetError(errorText);
return false;
}
}
if (fname.empty()) {
status.GetMakefile().IssueMessage(
MessageType::AUTHOR_WARNING,
"include() given empty file name (ignored).");
return true;
}
if (!cmSystemTools::FileIsFullPath(fname)) {
bool system = false;
// Not a path. Maybe module.
std::string module = cmStrCat(fname, ".cmake");
std::string mfile = status.GetMakefile().GetModulesFile(module, system);
if (system) {
auto ModulePolicy = DeprecatedModules.find(fname);
if (ModulePolicy != DeprecatedModules.end()) {
cmPolicies::PolicyStatus PolicyStatus =
status.GetMakefile().GetPolicyStatus(ModulePolicy->second);
switch (PolicyStatus) {
case cmPolicies::WARN: {
status.GetMakefile().IssueMessage(
MessageType::AUTHOR_WARNING,
cmStrCat(cmPolicies::GetPolicyWarning(ModulePolicy->second),
'\n'));
CM_FALLTHROUGH;
}
case cmPolicies::OLD:
break;
case cmPolicies::NEW:
mfile = "";
break;
}
}
}
if (!mfile.empty()) {
fname = mfile;
}
}
std::string fname_abs = cmSystemTools::CollapseFullPath(
fname, status.GetMakefile().GetCurrentSourceDirectory());
cmGlobalGenerator* gg = status.GetMakefile().GetGlobalGenerator();
if (gg->IsExportedTargetsFile(fname_abs)) {
status.GetMakefile().IssueMessage(
MessageType::FATAL_ERROR,
cmStrCat(
"The file\n ", fname_abs,
"\nwas generated by the export() "
"command. It may not be used as the argument to the "
"include() command. Use ALIAS targets instead to refer to targets "
"by alternative names.\n"));
return false;
}
std::string listFile = cmSystemTools::CollapseFullPath(
fname, status.GetMakefile().GetCurrentSourceDirectory());
bool const fileDoesnotExist = !cmSystemTools::FileExists(listFile);
bool const fileIsDirectory = cmSystemTools::FileIsDirectory(listFile);
if (fileDoesnotExist || fileIsDirectory) {
if (!resultVarName.empty()) {
status.GetMakefile().AddDefinition(resultVarName, "NOTFOUND");
}
if (optional) {
return true;
}
if (fileDoesnotExist) {
status.SetError(cmStrCat("could not find requested file:\n ", fname));
return false;
}
if (fileIsDirectory) {
status.SetError(cmStrCat("requested file is a directory:\n ", fname));
return false;
}
}
bool readit =
status.GetMakefile().ReadDependentFile(listFile, noPolicyScope);
// add the location of the included file if a result variable was given
if (!resultVarName.empty()) {
status.GetMakefile().AddDefinition(
resultVarName, readit ? fname_abs.c_str() : "NOTFOUND");
}
if (!optional && !readit && !cmSystemTools::GetFatalErrorOccurred()) {
std::string m = cmStrCat("could not load requested file:\n ", fname);
status.SetError(m);
return false;
}
return true;
}
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