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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 "cmMathCommand.h"
#include "cmExprParserHelper.h"
#include "cmMakefile.h"
#include "cm_kwiml.h"
#include <stdio.h>
class cmExecutionStatus;
bool cmMathCommand::InitialPass(std::vector<std::string> const& args,
cmExecutionStatus&)
{
if (args.empty()) {
this->SetError("must be called with at least one argument.");
return false;
}
const std::string& subCommand = args[0];
if (subCommand == "EXPR") {
return this->HandleExprCommand(args);
}
std::string e = "does not recognize sub-command " + subCommand;
this->SetError(e);
return false;
}
bool cmMathCommand::HandleExprCommand(std::vector<std::string> const& args)
{
if (args.size() != 3) {
this->SetError("EXPR called with incorrect arguments.");
return false;
}
const std::string& outputVariable = args[1];
const std::string& expression = args[2];
this->Makefile->AddDefinition(outputVariable, "ERROR");
cmExprParserHelper helper;
if (!helper.ParseString(expression.c_str(), 0)) {
this->SetError(helper.GetError());
return false;
}
char buffer[1024];
sprintf(buffer, "%" KWIML_INT_PRId64, helper.GetResult());
this->Makefile->AddDefinition(outputVariable, buffer);
return true;
}
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