You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
113 lines
3.0 KiB
113 lines
3.0 KiB
/* 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 "cmake.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) && (args.size() != 5)) {
|
|
this->SetError("EXPR called with incorrect arguments.");
|
|
return false;
|
|
}
|
|
|
|
enum class NumericFormat
|
|
{
|
|
UNINITIALIZED,
|
|
DECIMAL,
|
|
HEXADECIMAL,
|
|
};
|
|
|
|
const std::string& outputVariable = args[1];
|
|
const std::string& expression = args[2];
|
|
size_t argumentIndex = 3;
|
|
NumericFormat outputFormat = NumericFormat::UNINITIALIZED;
|
|
|
|
this->Makefile->AddDefinition(outputVariable, "ERROR");
|
|
|
|
if (argumentIndex < args.size()) {
|
|
const std::string messageHint = "sub-command EXPR ";
|
|
const std::string option = args[argumentIndex++];
|
|
if (option == "OUTPUT_FORMAT") {
|
|
if (argumentIndex < args.size()) {
|
|
const std::string argument = args[argumentIndex++];
|
|
if (argument == "DECIMAL") {
|
|
outputFormat = NumericFormat::DECIMAL;
|
|
} else if (argument == "HEXADECIMAL") {
|
|
outputFormat = NumericFormat::HEXADECIMAL;
|
|
} else {
|
|
std::string error = messageHint + "value \"" + argument +
|
|
"\" for option \"" + option + "\" is invalid.";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
} else {
|
|
std::string error =
|
|
messageHint + "missing argument for option \"" + option + "\".";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
} else {
|
|
std::string error =
|
|
messageHint + "option \"" + option + "\" is unknown.";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
if (outputFormat == NumericFormat::UNINITIALIZED) {
|
|
outputFormat = NumericFormat::DECIMAL;
|
|
}
|
|
|
|
cmExprParserHelper helper;
|
|
if (!helper.ParseString(expression.c_str(), 0)) {
|
|
this->SetError(helper.GetError());
|
|
return false;
|
|
}
|
|
|
|
char buffer[1024];
|
|
const char* fmt;
|
|
switch (outputFormat) {
|
|
case NumericFormat::HEXADECIMAL:
|
|
fmt = "0x%" KWIML_INT_PRIx64;
|
|
break;
|
|
case NumericFormat::DECIMAL:
|
|
CM_FALLTHROUGH;
|
|
default:
|
|
fmt = "%" KWIML_INT_PRId64;
|
|
break;
|
|
}
|
|
sprintf(buffer, fmt, helper.GetResult());
|
|
|
|
std::string const& w = helper.GetWarning();
|
|
if (!w.empty()) {
|
|
this->Makefile->IssueMessage(cmake::AUTHOR_WARNING, w);
|
|
}
|
|
|
|
this->Makefile->AddDefinition(outputVariable, buffer);
|
|
return true;
|
|
}
|