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/* Distributed under the OSI-approved BSD 3-Clause License. See accompanying
file Copyright.txt or https://cmake.org/licensing for details. */
#include "cmAddCustomTargetCommand.h"
#include <sstream>
#include <utility>
#include "cmCustomCommandLines.h"
#include "cmGeneratorExpression.h"
#include "cmGlobalGenerator.h"
#include "cmMakefile.h"
#include "cmStateTypes.h"
#include "cmSystemTools.h"
#include "cmTarget.h"
#include "cmake.h"
class cmExecutionStatus;
// cmAddCustomTargetCommand
bool cmAddCustomTargetCommand::InitialPass(
std::vector<std::string> const& args, cmExecutionStatus&)
{
if (args.empty()) {
this->SetError("called with incorrect number of arguments");
return false;
}
std::string const& targetName = args[0];
// Check the target name.
if (targetName.find_first_of("/\\") != std::string::npos) {
std::ostringstream e;
e << "called with invalid target name \"" << targetName
<< "\". Target names may not contain a slash. "
<< "Use ADD_CUSTOM_COMMAND to generate files.";
this->SetError(e.str());
return false;
}
// Accumulate one command line at a time.
cmCustomCommandLine currentLine;
// Save all command lines.
cmCustomCommandLines commandLines;
// Accumulate dependencies.
std::vector<std::string> depends, byproducts;
std::string working_directory;
bool verbatim = false;
bool uses_terminal = false;
bool command_expand_lists = false;
std::string comment_buffer;
const char* comment = nullptr;
std::vector<std::string> sources;
// Keep track of parser state.
enum tdoing
{
doing_command,
doing_depends,
doing_byproducts,
doing_working_directory,
doing_comment,
doing_source,
doing_nothing
};
tdoing doing = doing_command;
// Look for the ALL option.
bool excludeFromAll = true;
unsigned int start = 1;
if (args.size() > 1) {
if (args[1] == "ALL") {
excludeFromAll = false;
start = 2;
}
}
// Parse the rest of the arguments.
for (unsigned int j = start; j < args.size(); ++j) {
std::string const& copy = args[j];
if (copy == "DEPENDS") {
doing = doing_depends;
} else if (copy == "BYPRODUCTS") {
doing = doing_byproducts;
} else if (copy == "WORKING_DIRECTORY") {
doing = doing_working_directory;
} else if (copy == "VERBATIM") {
doing = doing_nothing;
verbatim = true;
} else if (copy == "USES_TERMINAL") {
doing = doing_nothing;
uses_terminal = true;
} else if (copy == "COMMAND_EXPAND_LISTS") {
doing = doing_nothing;
command_expand_lists = true;
} else if (copy == "COMMENT") {
doing = doing_comment;
} else if (copy == "COMMAND") {
doing = doing_command;
// Save the current command before starting the next command.
if (!currentLine.empty()) {
commandLines.push_back(currentLine);
currentLine.clear();
}
} else if (copy == "SOURCES") {
doing = doing_source;
} else {
switch (doing) {
case doing_working_directory:
working_directory = copy;
break;
case doing_command:
currentLine.push_back(copy);
break;
case doing_byproducts: {
std::string filename;
if (!cmSystemTools::FileIsFullPath(copy)) {
filename = this->Makefile->GetCurrentBinaryDirectory();
filename += "/";
}
filename += copy;
cmSystemTools::ConvertToUnixSlashes(filename);
byproducts.push_back(filename);
} break;
case doing_depends: {
std::string dep = copy;
cmSystemTools::ConvertToUnixSlashes(dep);
depends.push_back(std::move(dep));
} break;
case doing_comment:
comment_buffer = copy;
comment = comment_buffer.c_str();
break;
case doing_source:
sources.push_back(copy);
break;
default:
this->SetError("Wrong syntax. Unknown type of argument.");
return false;
}
}
}
std::string::size_type pos = targetName.find_first_of("#<>");
if (pos != std::string::npos) {
std::ostringstream msg;
msg << "called with target name containing a \"" << targetName[pos]
<< "\". This character is not allowed.";
this->SetError(msg.str());
return false;
}
// Some requirements on custom target names already exist
// and have been checked at this point.
// The following restrictions overlap but depend on policy CMP0037.
bool nameOk = cmGeneratorExpression::IsValidTargetName(targetName) &&
!cmGlobalGenerator::IsReservedTarget(targetName);
if (nameOk) {
nameOk = targetName.find(':') == std::string::npos;
}
if (!nameOk &&
!this->Makefile->CheckCMP0037(targetName, cmStateEnums::UTILITY)) {
return false;
}
// Store the last command line finished.
if (!currentLine.empty()) {
commandLines.push_back(currentLine);
currentLine.clear();
}
// Enforce name uniqueness.
{
std::string msg;
if (!this->Makefile->EnforceUniqueName(targetName, msg, true)) {
this->SetError(msg);
return false;
}
}
if (commandLines.empty() && !byproducts.empty()) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"BYPRODUCTS may not be specified without any COMMAND");
return true;
}
if (commandLines.empty() && uses_terminal) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"USES_TERMINAL may not be specified without any COMMAND");
return true;
}
if (commandLines.empty() && command_expand_lists) {
this->Makefile->IssueMessage(
cmake::FATAL_ERROR,
"COMMAND_EXPAND_LISTS may not be specified without any COMMAND");
return true;
}
// Add the utility target to the makefile.
bool escapeOldStyle = !verbatim;
cmTarget* target = this->Makefile->AddUtilityCommand(
targetName, cmMakefile::TargetOrigin::Project, excludeFromAll,
working_directory.c_str(), byproducts, depends, commandLines,
escapeOldStyle, comment, uses_terminal, command_expand_lists);
// Add additional user-specified source files to the target.
target->AddSources(sources);
return true;
}
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