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ed98209ddc
Run the `clang-format.bash` script to update our C and C++ code to a new include order `.clang-format`. Use `clang-format` version 6.0.
121 lines
3.2 KiB
C++
121 lines
3.2 KiB
C++
/* 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 "cmMathCommand.h"
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#include <cstdio>
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#include "cm_kwiml.h"
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#include "cmExecutionStatus.h"
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#include "cmExprParserHelper.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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namespace {
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bool HandleExprCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status);
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}
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bool cmMathCommand(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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status.SetError("must be called with at least one argument.");
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return false;
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}
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const std::string& subCommand = args[0];
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if (subCommand == "EXPR") {
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return HandleExprCommand(args, status);
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}
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std::string e = "does not recognize sub-command " + subCommand;
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status.SetError(e);
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return false;
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}
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namespace {
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bool HandleExprCommand(std::vector<std::string> const& args,
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cmExecutionStatus& status)
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{
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if ((args.size() != 3) && (args.size() != 5)) {
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status.SetError("EXPR called with incorrect arguments.");
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return false;
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}
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enum class NumericFormat
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{
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UNINITIALIZED,
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DECIMAL,
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HEXADECIMAL,
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};
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const std::string& outputVariable = args[1];
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const std::string& expression = args[2];
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size_t argumentIndex = 3;
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NumericFormat outputFormat = NumericFormat::UNINITIALIZED;
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status.GetMakefile().AddDefinition(outputVariable, "ERROR");
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if (argumentIndex < args.size()) {
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const std::string messageHint = "sub-command EXPR ";
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const std::string option = args[argumentIndex++];
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if (option == "OUTPUT_FORMAT") {
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if (argumentIndex < args.size()) {
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const std::string argument = args[argumentIndex++];
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if (argument == "DECIMAL") {
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outputFormat = NumericFormat::DECIMAL;
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} else if (argument == "HEXADECIMAL") {
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outputFormat = NumericFormat::HEXADECIMAL;
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} else {
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std::string error = messageHint + "value \"" + argument +
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"\" for option \"" + option + "\" is invalid.";
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status.SetError(error);
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return false;
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}
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} else {
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std::string error =
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messageHint + "missing argument for option \"" + option + "\".";
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status.SetError(error);
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return false;
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}
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} else {
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std::string error =
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messageHint + "option \"" + option + "\" is unknown.";
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status.SetError(error);
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return false;
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}
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}
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if (outputFormat == NumericFormat::UNINITIALIZED) {
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outputFormat = NumericFormat::DECIMAL;
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}
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cmExprParserHelper helper;
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if (!helper.ParseString(expression.c_str(), 0)) {
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status.SetError(helper.GetError());
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return false;
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}
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char buffer[1024];
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const char* fmt;
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switch (outputFormat) {
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case NumericFormat::HEXADECIMAL:
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fmt = "0x%" KWIML_INT_PRIx64;
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break;
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case NumericFormat::DECIMAL:
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CM_FALLTHROUGH;
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default:
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fmt = "%" KWIML_INT_PRId64;
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break;
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}
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sprintf(buffer, fmt, helper.GetResult());
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std::string const& w = helper.GetWarning();
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if (!w.empty()) {
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status.GetMakefile().IssueMessage(MessageType::AUTHOR_WARNING, w);
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}
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status.GetMakefile().AddDefinition(outputVariable, buffer);
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return true;
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}
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}
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