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1503 lines
43 KiB
1503 lines
43 KiB
/* 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 "cmListCommand.h"
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#include "cmsys/RegularExpression.hxx"
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#include <algorithm>
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#include <assert.h>
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#include <functional>
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#include <iterator>
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#include <set>
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#include <sstream>
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#include <stdexcept>
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#include <stdio.h>
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#include <stdlib.h> // required for atoi
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#include <utility>
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#include "cmAlgorithms.h"
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#include "cmGeneratorExpression.h"
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#include "cmMakefile.h"
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#include "cmMessageType.h"
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#include "cmPolicies.h"
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#include "cmRange.h"
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#include "cmStringReplaceHelper.h"
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#include "cmSystemTools.h"
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class cmExecutionStatus;
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bool cmListCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus&)
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{
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if (args.size() < 2) {
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this->SetError("must be called with at least two arguments.");
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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 == "LENGTH") {
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return this->HandleLengthCommand(args);
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}
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if (subCommand == "GET") {
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return this->HandleGetCommand(args);
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}
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if (subCommand == "APPEND") {
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return this->HandleAppendCommand(args);
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}
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if (subCommand == "PREPEND") {
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return this->HandlePrependCommand(args);
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}
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if (subCommand == "POP_BACK") {
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return this->HandlePopBackCommand(args);
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}
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if (subCommand == "POP_FRONT") {
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return this->HandlePopFrontCommand(args);
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}
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if (subCommand == "FIND") {
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return this->HandleFindCommand(args);
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}
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if (subCommand == "INSERT") {
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return this->HandleInsertCommand(args);
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}
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if (subCommand == "JOIN") {
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return this->HandleJoinCommand(args);
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}
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if (subCommand == "REMOVE_AT") {
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return this->HandleRemoveAtCommand(args);
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}
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if (subCommand == "REMOVE_ITEM") {
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return this->HandleRemoveItemCommand(args);
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}
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if (subCommand == "REMOVE_DUPLICATES") {
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return this->HandleRemoveDuplicatesCommand(args);
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}
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if (subCommand == "TRANSFORM") {
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return this->HandleTransformCommand(args);
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}
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if (subCommand == "SORT") {
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return this->HandleSortCommand(args);
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}
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if (subCommand == "SUBLIST") {
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return this->HandleSublistCommand(args);
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}
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if (subCommand == "REVERSE") {
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return this->HandleReverseCommand(args);
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}
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if (subCommand == "FILTER") {
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return this->HandleFilterCommand(args);
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}
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std::string e = "does not recognize sub-command " + subCommand;
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this->SetError(e);
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return false;
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}
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bool cmListCommand::GetListString(std::string& listString,
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const std::string& var)
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{
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// get the old value
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const char* cacheValue = this->Makefile->GetDefinition(var);
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if (!cacheValue) {
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return false;
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}
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listString = cacheValue;
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return true;
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}
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bool cmListCommand::GetList(std::vector<std::string>& list,
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const std::string& var)
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{
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std::string listString;
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if (!this->GetListString(listString, var)) {
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return false;
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}
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// if the size of the list
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if (listString.empty()) {
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return true;
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}
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// expand the variable into a list
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cmSystemTools::ExpandListArgument(listString, list, true);
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// if no empty elements then just return
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if (std::find(list.begin(), list.end(), std::string()) == list.end()) {
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return true;
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}
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// if we have empty elements we need to check policy CMP0007
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switch (this->Makefile->GetPolicyStatus(cmPolicies::CMP0007)) {
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case cmPolicies::WARN: {
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// Default is to warn and use old behavior
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// OLD behavior is to allow compatibility, so recall
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// ExpandListArgument without the true which will remove
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// empty values
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list.clear();
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cmSystemTools::ExpandListArgument(listString, list);
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std::string warn = cmPolicies::GetPolicyWarning(cmPolicies::CMP0007);
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warn += " List has value = [";
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warn += listString;
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warn += "].";
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this->Makefile->IssueMessage(MessageType::AUTHOR_WARNING, warn);
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return true;
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}
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case cmPolicies::OLD:
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// OLD behavior is to allow compatibility, so recall
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// ExpandListArgument without the true which will remove
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// empty values
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list.clear();
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cmSystemTools::ExpandListArgument(listString, list);
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return true;
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case cmPolicies::NEW:
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return true;
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case cmPolicies::REQUIRED_IF_USED:
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case cmPolicies::REQUIRED_ALWAYS:
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this->Makefile->IssueMessage(
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MessageType::FATAL_ERROR,
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cmPolicies::GetRequiredPolicyError(cmPolicies::CMP0007));
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return false;
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}
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return true;
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}
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bool cmListCommand::HandleLengthCommand(std::vector<std::string> const& args)
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{
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if (args.size() != 3) {
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this->SetError("sub-command LENGTH requires two arguments.");
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return false;
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}
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const std::string& listName = args[1];
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const std::string& variableName = args.back();
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std::vector<std::string> varArgsExpanded;
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// do not check the return value here
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// if the list var is not found varArgsExpanded will have size 0
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// and we will return 0
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this->GetList(varArgsExpanded, listName);
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size_t length = varArgsExpanded.size();
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char buffer[1024];
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sprintf(buffer, "%d", static_cast<int>(length));
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this->Makefile->AddDefinition(variableName, buffer);
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return true;
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}
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bool cmListCommand::HandleGetCommand(std::vector<std::string> const& args)
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{
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if (args.size() < 4) {
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this->SetError("sub-command GET requires at least three arguments.");
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return false;
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}
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const std::string& listName = args[1];
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const std::string& variableName = args.back();
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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this->Makefile->AddDefinition(variableName, "NOTFOUND");
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return true;
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}
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// FIXME: Add policy to make non-existing lists an error like empty lists.
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if (varArgsExpanded.empty()) {
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this->SetError("GET given empty list");
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return false;
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}
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std::string value;
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size_t cc;
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const char* sep = "";
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size_t nitem = varArgsExpanded.size();
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for (cc = 2; cc < args.size() - 1; cc++) {
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int item = atoi(args[cc].c_str());
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value += sep;
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sep = ";";
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if (item < 0) {
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item = static_cast<int>(nitem) + item;
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}
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if (item < 0 || nitem <= static_cast<size_t>(item)) {
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std::ostringstream str;
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str << "index: " << item << " out of range (-" << nitem << ", "
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<< nitem - 1 << ")";
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this->SetError(str.str());
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return false;
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}
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value += varArgsExpanded[item];
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}
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this->Makefile->AddDefinition(variableName, value.c_str());
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return true;
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}
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bool cmListCommand::HandleAppendCommand(std::vector<std::string> const& args)
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{
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assert(args.size() >= 2);
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// Skip if nothing to append.
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if (args.size() < 3) {
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return true;
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}
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std::string const& listName = args[1];
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// expand the variable
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std::string listString;
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this->GetListString(listString, listName);
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// If `listString` or `args` is empty, no need to append `;`,
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// then index is going to be `1` and points to the end-of-string ";"
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auto const offset =
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std::string::size_type(listString.empty() || args.empty());
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listString += &";"[offset] + cmJoin(cmMakeRange(args).advance(2), ";");
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this->Makefile->AddDefinition(listName, listString.c_str());
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return true;
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}
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bool cmListCommand::HandlePrependCommand(std::vector<std::string> const& args)
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{
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assert(args.size() >= 2);
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// Skip if nothing to prepend.
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if (args.size() < 3) {
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return true;
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}
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std::string const& listName = args[1];
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// expand the variable
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std::string listString;
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this->GetListString(listString, listName);
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// If `listString` or `args` is empty, no need to append `;`,
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// then `offset` is going to be `1` and points to the end-of-string ";"
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auto const offset =
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std::string::size_type(listString.empty() || args.empty());
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listString.insert(0,
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cmJoin(cmMakeRange(args).advance(2), ";") + &";"[offset]);
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this->Makefile->AddDefinition(listName, listString.c_str());
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return true;
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}
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bool cmListCommand::HandlePopBackCommand(std::vector<std::string> const& args)
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{
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assert(args.size() >= 2);
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auto ai = args.cbegin();
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++ai; // Skip subcommand name
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std::string const& listName = *ai++;
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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// Can't get the list definition... undefine any vars given after.
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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return true;
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}
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if (!varArgsExpanded.empty()) {
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if (ai == args.cend()) {
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// No variables are given... Just remove one element.
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varArgsExpanded.pop_back();
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} else {
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// Ok, assign elements to be removed to the given variables
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for (; !varArgsExpanded.empty() && ai != args.cend(); ++ai) {
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assert(!ai->empty());
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this->Makefile->AddDefinition(*ai, varArgsExpanded.back().c_str());
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varArgsExpanded.pop_back();
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}
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// Undefine the rest variables if the list gets empty earlier...
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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}
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this->Makefile->AddDefinition(listName,
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cmJoin(varArgsExpanded, ";").c_str());
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} else if (ai !=
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args.cend()) { // The list is empty, but some args were given
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// Need to *undefine* 'em all, cuz there are no items to assign...
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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}
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return true;
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}
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bool cmListCommand::HandlePopFrontCommand(std::vector<std::string> const& args)
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{
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assert(args.size() >= 2);
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auto ai = args.cbegin();
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++ai; // Skip subcommand name
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std::string const& listName = *ai++;
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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// Can't get the list definition... undefine any vars given after.
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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return true;
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}
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if (!varArgsExpanded.empty()) {
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if (ai == args.cend()) {
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// No variables are given... Just remove one element.
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varArgsExpanded.erase(varArgsExpanded.begin());
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} else {
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// Ok, assign elements to be removed to the given variables
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auto vi = varArgsExpanded.begin();
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for (; vi != varArgsExpanded.end() && ai != args.cend(); ++ai, ++vi) {
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assert(!ai->empty());
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this->Makefile->AddDefinition(*ai, vi->c_str());
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}
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varArgsExpanded.erase(varArgsExpanded.begin(), vi);
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// Undefine the rest variables if the list gets empty earlier...
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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}
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this->Makefile->AddDefinition(listName,
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cmJoin(varArgsExpanded, ";").c_str());
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} else if (ai !=
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args.cend()) { // The list is empty, but some args were given
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// Need to *undefine* 'em all, cuz there are no items to assign...
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for (; ai != args.cend(); ++ai) {
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this->Makefile->RemoveDefinition(*ai);
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}
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}
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return true;
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}
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bool cmListCommand::HandleFindCommand(std::vector<std::string> const& args)
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{
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if (args.size() != 4) {
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this->SetError("sub-command FIND requires three arguments.");
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return false;
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}
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const std::string& listName = args[1];
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const std::string& variableName = args.back();
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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this->Makefile->AddDefinition(variableName, "-1");
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return true;
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}
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std::vector<std::string>::iterator it =
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std::find(varArgsExpanded.begin(), varArgsExpanded.end(), args[2]);
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if (it != varArgsExpanded.end()) {
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std::ostringstream indexStream;
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indexStream << std::distance(varArgsExpanded.begin(), it);
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this->Makefile->AddDefinition(variableName, indexStream.str().c_str());
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return true;
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}
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this->Makefile->AddDefinition(variableName, "-1");
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return true;
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}
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bool cmListCommand::HandleInsertCommand(std::vector<std::string> const& args)
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{
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if (args.size() < 4) {
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this->SetError("sub-command INSERT requires at least three arguments.");
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return false;
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}
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const std::string& listName = args[1];
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// expand the variable
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int item = atoi(args[2].c_str());
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std::vector<std::string> varArgsExpanded;
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if ((!this->GetList(varArgsExpanded, listName) || varArgsExpanded.empty()) &&
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item != 0) {
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std::ostringstream str;
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str << "index: " << item << " out of range (0, 0)";
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this->SetError(str.str());
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return false;
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}
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if (!varArgsExpanded.empty()) {
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size_t nitem = varArgsExpanded.size();
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if (item < 0) {
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item = static_cast<int>(nitem) + item;
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}
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if (item < 0 || nitem < static_cast<size_t>(item)) {
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std::ostringstream str;
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str << "index: " << item << " out of range (-" << varArgsExpanded.size()
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<< ", " << varArgsExpanded.size() << ")";
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this->SetError(str.str());
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return false;
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}
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}
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varArgsExpanded.insert(varArgsExpanded.begin() + item, args.begin() + 3,
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args.end());
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std::string value = cmJoin(varArgsExpanded, ";");
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this->Makefile->AddDefinition(listName, value.c_str());
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return true;
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}
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bool cmListCommand::HandleJoinCommand(std::vector<std::string> const& args)
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{
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if (args.size() != 4) {
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std::ostringstream error;
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error << "sub-command JOIN requires three arguments (" << args.size() - 1
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<< " found).";
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this->SetError(error.str());
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return false;
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}
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const std::string& listName = args[1];
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const std::string& glue = args[2];
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const std::string& variableName = args[3];
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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this->Makefile->AddDefinition(variableName, "");
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return true;
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}
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std::string value =
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cmJoin(cmMakeRange(varArgsExpanded.begin(), varArgsExpanded.end()), glue);
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this->Makefile->AddDefinition(variableName, value.c_str());
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return true;
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}
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bool cmListCommand::HandleRemoveItemCommand(
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std::vector<std::string> const& args)
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{
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if (args.size() < 3) {
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this->SetError("sub-command REMOVE_ITEM requires two or more arguments.");
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return false;
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}
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const std::string& listName = args[1];
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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return true;
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}
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std::vector<std::string> remove(args.begin() + 2, args.end());
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std::sort(remove.begin(), remove.end());
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std::vector<std::string>::const_iterator remEnd =
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std::unique(remove.begin(), remove.end());
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std::vector<std::string>::const_iterator remBegin = remove.begin();
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std::vector<std::string>::const_iterator argsEnd =
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cmRemoveMatching(varArgsExpanded, cmMakeRange(remBegin, remEnd));
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std::vector<std::string>::const_iterator argsBegin = varArgsExpanded.begin();
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std::string value = cmJoin(cmMakeRange(argsBegin, argsEnd), ";");
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this->Makefile->AddDefinition(listName, value.c_str());
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return true;
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}
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bool cmListCommand::HandleReverseCommand(std::vector<std::string> const& args)
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{
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assert(args.size() >= 2);
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if (args.size() > 2) {
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this->SetError("sub-command REVERSE only takes one argument.");
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return false;
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}
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const std::string& listName = args[1];
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// expand the variable
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std::vector<std::string> varArgsExpanded;
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if (!this->GetList(varArgsExpanded, listName)) {
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return true;
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}
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std::string value = cmJoin(cmReverseRange(varArgsExpanded), ";");
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this->Makefile->AddDefinition(listName, value.c_str());
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return true;
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}
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bool cmListCommand::HandleRemoveDuplicatesCommand(
|
|
std::vector<std::string> const& args)
|
|
{
|
|
assert(args.size() >= 2);
|
|
if (args.size() > 2) {
|
|
this->SetError("sub-command REMOVE_DUPLICATES only takes one argument.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& listName = args[1];
|
|
// expand the variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, listName)) {
|
|
return true;
|
|
}
|
|
|
|
std::vector<std::string>::const_iterator argsEnd =
|
|
cmRemoveDuplicates(varArgsExpanded);
|
|
std::vector<std::string>::const_iterator argsBegin = varArgsExpanded.begin();
|
|
std::string value = cmJoin(cmMakeRange(argsBegin, argsEnd), ";");
|
|
|
|
this->Makefile->AddDefinition(listName, value.c_str());
|
|
return true;
|
|
}
|
|
|
|
// Helpers for list(TRANSFORM <list> ...)
|
|
namespace {
|
|
using transform_type = std::function<std::string(const std::string&)>;
|
|
|
|
class transform_error : public std::runtime_error
|
|
{
|
|
public:
|
|
transform_error(const std::string& error)
|
|
: std::runtime_error(error)
|
|
{
|
|
}
|
|
};
|
|
|
|
class TransformSelector
|
|
{
|
|
public:
|
|
virtual ~TransformSelector() = default;
|
|
|
|
std::string Tag;
|
|
|
|
virtual bool Validate(std::size_t count = 0) = 0;
|
|
|
|
virtual bool InSelection(const std::string&) = 0;
|
|
|
|
virtual void Transform(std::vector<std::string>& list,
|
|
const transform_type& transform)
|
|
{
|
|
std::transform(list.begin(), list.end(), list.begin(), transform);
|
|
}
|
|
|
|
protected:
|
|
TransformSelector(std::string&& tag)
|
|
: Tag(std::move(tag))
|
|
{
|
|
}
|
|
};
|
|
class TransformNoSelector : public TransformSelector
|
|
{
|
|
public:
|
|
TransformNoSelector()
|
|
: TransformSelector("NO SELECTOR")
|
|
{
|
|
}
|
|
|
|
bool Validate(std::size_t) override { return true; }
|
|
|
|
bool InSelection(const std::string&) override { return true; }
|
|
};
|
|
class TransformSelectorRegex : public TransformSelector
|
|
{
|
|
public:
|
|
TransformSelectorRegex(const std::string& regex)
|
|
: TransformSelector("REGEX")
|
|
, Regex(regex)
|
|
{
|
|
}
|
|
|
|
bool Validate(std::size_t) override { return this->Regex.is_valid(); }
|
|
|
|
bool InSelection(const std::string& value) override
|
|
{
|
|
return this->Regex.find(value);
|
|
}
|
|
|
|
cmsys::RegularExpression Regex;
|
|
};
|
|
class TransformSelectorIndexes : public TransformSelector
|
|
{
|
|
public:
|
|
std::vector<int> Indexes;
|
|
|
|
bool InSelection(const std::string&) override { return true; }
|
|
|
|
void Transform(std::vector<std::string>& list,
|
|
const transform_type& transform) override
|
|
{
|
|
this->Validate(list.size());
|
|
|
|
for (auto index : this->Indexes) {
|
|
list[index] = transform(list[index]);
|
|
}
|
|
}
|
|
|
|
protected:
|
|
TransformSelectorIndexes(std::string&& tag)
|
|
: TransformSelector(std::move(tag))
|
|
{
|
|
}
|
|
TransformSelectorIndexes(std::string&& tag, std::vector<int>&& indexes)
|
|
: TransformSelector(std::move(tag))
|
|
, Indexes(indexes)
|
|
{
|
|
}
|
|
|
|
int NormalizeIndex(int index, std::size_t count)
|
|
{
|
|
if (index < 0) {
|
|
index = static_cast<int>(count) + index;
|
|
}
|
|
if (index < 0 || count <= static_cast<std::size_t>(index)) {
|
|
std::ostringstream str;
|
|
str << "sub-command TRANSFORM, selector " << this->Tag
|
|
<< ", index: " << index << " out of range (-" << count << ", "
|
|
<< count - 1 << ").";
|
|
throw transform_error(str.str());
|
|
}
|
|
return index;
|
|
}
|
|
};
|
|
class TransformSelectorAt : public TransformSelectorIndexes
|
|
{
|
|
public:
|
|
TransformSelectorAt(std::vector<int>&& indexes)
|
|
: TransformSelectorIndexes("AT", std::move(indexes))
|
|
{
|
|
}
|
|
|
|
bool Validate(std::size_t count) override
|
|
{
|
|
decltype(Indexes) indexes;
|
|
|
|
for (auto index : Indexes) {
|
|
indexes.push_back(this->NormalizeIndex(index, count));
|
|
}
|
|
this->Indexes = std::move(indexes);
|
|
|
|
return true;
|
|
}
|
|
};
|
|
class TransformSelectorFor : public TransformSelectorIndexes
|
|
{
|
|
public:
|
|
TransformSelectorFor(int start, int stop, int step)
|
|
: TransformSelectorIndexes("FOR")
|
|
, Start(start)
|
|
, Stop(stop)
|
|
, Step(step)
|
|
{
|
|
}
|
|
|
|
bool Validate(std::size_t count) override
|
|
{
|
|
this->Start = this->NormalizeIndex(this->Start, count);
|
|
this->Stop = this->NormalizeIndex(this->Stop, count);
|
|
|
|
// compute indexes
|
|
auto size = (this->Stop - this->Start + 1) / this->Step;
|
|
if ((this->Stop - this->Start + 1) % this->Step != 0) {
|
|
size += 1;
|
|
}
|
|
|
|
this->Indexes.resize(size);
|
|
auto start = this->Start, step = this->Step;
|
|
std::generate(this->Indexes.begin(), this->Indexes.end(),
|
|
[&start, step]() -> int {
|
|
auto r = start;
|
|
start += step;
|
|
return r;
|
|
});
|
|
|
|
return true;
|
|
}
|
|
|
|
private:
|
|
int Start, Stop, Step;
|
|
};
|
|
|
|
class TransformAction
|
|
{
|
|
public:
|
|
virtual ~TransformAction() = default;
|
|
|
|
virtual std::string Transform(const std::string& input) = 0;
|
|
};
|
|
class TransformReplace : public TransformAction
|
|
{
|
|
public:
|
|
TransformReplace(const std::vector<std::string>& arguments,
|
|
cmMakefile* makefile)
|
|
: ReplaceHelper(arguments[0], arguments[1], makefile)
|
|
{
|
|
makefile->ClearMatches();
|
|
|
|
if (!this->ReplaceHelper.IsRegularExpressionValid()) {
|
|
std::ostringstream error;
|
|
error
|
|
<< "sub-command TRANSFORM, action REPLACE: Failed to compile regex \""
|
|
<< arguments[0] << "\".";
|
|
throw transform_error(error.str());
|
|
}
|
|
if (!this->ReplaceHelper.IsReplaceExpressionValid()) {
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, action REPLACE: "
|
|
<< this->ReplaceHelper.GetError() << ".";
|
|
throw transform_error(error.str());
|
|
}
|
|
}
|
|
|
|
std::string Transform(const std::string& input) override
|
|
{
|
|
// Scan through the input for all matches.
|
|
std::string output;
|
|
|
|
if (!this->ReplaceHelper.Replace(input, output)) {
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, action REPLACE: "
|
|
<< this->ReplaceHelper.GetError() << ".";
|
|
throw transform_error(error.str());
|
|
}
|
|
|
|
return output;
|
|
}
|
|
|
|
private:
|
|
cmStringReplaceHelper ReplaceHelper;
|
|
};
|
|
}
|
|
|
|
bool cmListCommand::HandleTransformCommand(
|
|
std::vector<std::string> const& args)
|
|
{
|
|
if (args.size() < 3) {
|
|
this->SetError(
|
|
"sub-command TRANSFORM requires an action to be specified.");
|
|
return false;
|
|
}
|
|
|
|
// Structure collecting all elements of the command
|
|
struct Command
|
|
{
|
|
Command(const std::string& listName)
|
|
: ListName(listName)
|
|
, OutputName(listName)
|
|
{
|
|
}
|
|
|
|
std::string Name;
|
|
std::string ListName;
|
|
std::vector<std::string> Arguments;
|
|
std::unique_ptr<TransformAction> Action;
|
|
std::unique_ptr<TransformSelector> Selector;
|
|
std::string OutputName;
|
|
} command(args[1]);
|
|
|
|
// Descriptor of action
|
|
// Arity: number of arguments required for the action
|
|
// Transform: lambda function implementing the action
|
|
struct ActionDescriptor
|
|
{
|
|
ActionDescriptor(std::string name)
|
|
: Name(std::move(name))
|
|
{
|
|
}
|
|
ActionDescriptor(std::string name, int arity, transform_type transform)
|
|
: Name(std::move(name))
|
|
, Arity(arity)
|
|
#if defined(__GNUC__) && __GNUC__ == 6 && defined(__aarch64__)
|
|
// std::function move constructor miscompiles on this architecture
|
|
, Transform(transform)
|
|
#else
|
|
, Transform(std::move(transform))
|
|
#endif
|
|
{
|
|
}
|
|
|
|
operator const std::string&() const { return Name; }
|
|
|
|
std::string Name;
|
|
int Arity = 0;
|
|
transform_type Transform;
|
|
};
|
|
|
|
// Build a set of supported actions.
|
|
std::set<ActionDescriptor,
|
|
std::function<bool(const std::string&, const std::string&)>>
|
|
descriptors(
|
|
[](const std::string& x, const std::string& y) { return x < y; });
|
|
descriptors = { { "APPEND", 1,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return s + command.Arguments[0];
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "PREPEND", 1,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return command.Arguments[0] + s;
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "TOUPPER", 0,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return cmSystemTools::UpperCase(s);
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "TOLOWER", 0,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return cmSystemTools::LowerCase(s);
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "STRIP", 0,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return cmSystemTools::TrimWhitespace(s);
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "GENEX_STRIP", 0,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return cmGeneratorExpression::Preprocess(
|
|
s,
|
|
cmGeneratorExpression::StripAllGeneratorExpressions);
|
|
}
|
|
|
|
return s;
|
|
} },
|
|
{ "REPLACE", 2,
|
|
[&command](const std::string& s) -> std::string {
|
|
if (command.Selector->InSelection(s)) {
|
|
return command.Action->Transform(s);
|
|
}
|
|
|
|
return s;
|
|
} } };
|
|
|
|
using size_type = std::vector<std::string>::size_type;
|
|
size_type index = 2;
|
|
|
|
// Parse all possible function parameters
|
|
auto descriptor = descriptors.find(args[index]);
|
|
|
|
if (descriptor == descriptors.end()) {
|
|
std::ostringstream error;
|
|
error << " sub-command TRANSFORM, " << args[index] << " invalid action.";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
// Action arguments
|
|
index += 1;
|
|
if (args.size() < index + descriptor->Arity) {
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, action " << descriptor->Name
|
|
<< " expects " << descriptor->Arity << " argument(s).";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
command.Name = descriptor->Name;
|
|
index += descriptor->Arity;
|
|
if (descriptor->Arity > 0) {
|
|
command.Arguments =
|
|
std::vector<std::string>(args.begin() + 3, args.begin() + index);
|
|
}
|
|
|
|
if (command.Name == "REPLACE") {
|
|
try {
|
|
command.Action =
|
|
cm::make_unique<TransformReplace>(command.Arguments, this->Makefile);
|
|
} catch (const transform_error& e) {
|
|
this->SetError(e.what());
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const std::string REGEX{ "REGEX" }, AT{ "AT" }, FOR{ "FOR" },
|
|
OUTPUT_VARIABLE{ "OUTPUT_VARIABLE" };
|
|
|
|
// handle optional arguments
|
|
while (args.size() > index) {
|
|
if ((args[index] == REGEX || args[index] == AT || args[index] == FOR) &&
|
|
command.Selector) {
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, selector already specified ("
|
|
<< command.Selector->Tag << ").";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
// REGEX selector
|
|
if (args[index] == REGEX) {
|
|
if (args.size() == ++index) {
|
|
this->SetError("sub-command TRANSFORM, selector REGEX expects "
|
|
"'regular expression' argument.");
|
|
return false;
|
|
}
|
|
|
|
command.Selector = cm::make_unique<TransformSelectorRegex>(args[index]);
|
|
if (!command.Selector->Validate()) {
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, selector REGEX failed to compile "
|
|
"regex \"";
|
|
error << args[index] << "\".";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
index += 1;
|
|
continue;
|
|
}
|
|
|
|
// AT selector
|
|
if (args[index] == AT) {
|
|
// get all specified indexes
|
|
std::vector<int> indexes;
|
|
while (args.size() > ++index) {
|
|
std::size_t pos;
|
|
int value;
|
|
|
|
try {
|
|
value = std::stoi(args[index], &pos);
|
|
if (pos != args[index].length()) {
|
|
// this is not a number, stop processing
|
|
break;
|
|
}
|
|
indexes.push_back(value);
|
|
} catch (const std::invalid_argument&) {
|
|
// this is not a number, stop processing
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (indexes.empty()) {
|
|
this->SetError(
|
|
"sub-command TRANSFORM, selector AT expects at least one "
|
|
"numeric value.");
|
|
return false;
|
|
}
|
|
|
|
command.Selector =
|
|
cm::make_unique<TransformSelectorAt>(std::move(indexes));
|
|
|
|
continue;
|
|
}
|
|
|
|
// FOR selector
|
|
if (args[index] == FOR) {
|
|
if (args.size() <= ++index + 1) {
|
|
this->SetError("sub-command TRANSFORM, selector FOR expects, at least,"
|
|
" two arguments.");
|
|
return false;
|
|
}
|
|
|
|
int start = 0, stop = 0, step = 1;
|
|
bool valid = true;
|
|
try {
|
|
std::size_t pos;
|
|
|
|
start = std::stoi(args[index], &pos);
|
|
if (pos != args[index].length()) {
|
|
// this is not a number
|
|
valid = false;
|
|
} else {
|
|
stop = std::stoi(args[++index], &pos);
|
|
if (pos != args[index].length()) {
|
|
// this is not a number
|
|
valid = false;
|
|
}
|
|
}
|
|
} catch (const std::invalid_argument&) {
|
|
// this is not numbers
|
|
valid = false;
|
|
}
|
|
if (!valid) {
|
|
this->SetError("sub-command TRANSFORM, selector FOR expects, "
|
|
"at least, two numeric values.");
|
|
return false;
|
|
}
|
|
// try to read a third numeric value for step
|
|
if (args.size() > ++index) {
|
|
try {
|
|
std::size_t pos;
|
|
|
|
step = std::stoi(args[index], &pos);
|
|
if (pos != args[index].length()) {
|
|
// this is not a number
|
|
step = 1;
|
|
} else {
|
|
index += 1;
|
|
}
|
|
} catch (const std::invalid_argument&) {
|
|
// this is not number, ignore exception
|
|
}
|
|
}
|
|
|
|
if (step < 0) {
|
|
this->SetError("sub-command TRANSFORM, selector FOR expects "
|
|
"non negative numeric value for <step>.");
|
|
}
|
|
|
|
command.Selector =
|
|
cm::make_unique<TransformSelectorFor>(start, stop, step);
|
|
|
|
continue;
|
|
}
|
|
|
|
// output variable
|
|
if (args[index] == OUTPUT_VARIABLE) {
|
|
if (args.size() == ++index) {
|
|
this->SetError("sub-command TRANSFORM, OUTPUT_VARIABLE "
|
|
"expects variable name argument.");
|
|
return false;
|
|
}
|
|
|
|
command.OutputName = args[index++];
|
|
continue;
|
|
}
|
|
|
|
std::ostringstream error;
|
|
error << "sub-command TRANSFORM, '"
|
|
<< cmJoin(cmMakeRange(args).advance(index), " ")
|
|
<< "': unexpected argument(s).";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
// expand the list variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, command.ListName)) {
|
|
this->Makefile->AddDefinition(command.OutputName, "");
|
|
return true;
|
|
}
|
|
|
|
if (!command.Selector) {
|
|
// no selector specified, apply transformation to all elements
|
|
command.Selector = cm::make_unique<TransformNoSelector>();
|
|
}
|
|
|
|
try {
|
|
command.Selector->Transform(varArgsExpanded, descriptor->Transform);
|
|
} catch (const transform_error& e) {
|
|
this->SetError(e.what());
|
|
return false;
|
|
}
|
|
|
|
this->Makefile->AddDefinition(command.OutputName,
|
|
cmJoin(varArgsExpanded, ";").c_str());
|
|
|
|
return true;
|
|
}
|
|
|
|
class cmStringSorter
|
|
{
|
|
public:
|
|
enum class Order
|
|
{
|
|
UNINITIALIZED,
|
|
ASCENDING,
|
|
DESCENDING,
|
|
};
|
|
|
|
enum class Compare
|
|
{
|
|
UNINITIALIZED,
|
|
STRING,
|
|
FILE_BASENAME,
|
|
};
|
|
enum class CaseSensitivity
|
|
{
|
|
UNINITIALIZED,
|
|
SENSITIVE,
|
|
INSENSITIVE,
|
|
};
|
|
|
|
protected:
|
|
typedef std::string (*StringFilter)(const std::string& in);
|
|
StringFilter GetCompareFilter(Compare compare)
|
|
{
|
|
return (compare == Compare::FILE_BASENAME) ? cmSystemTools::GetFilenameName
|
|
: nullptr;
|
|
}
|
|
|
|
StringFilter GetCaseFilter(CaseSensitivity sensitivity)
|
|
{
|
|
return (sensitivity == CaseSensitivity::INSENSITIVE)
|
|
? cmSystemTools::LowerCase
|
|
: nullptr;
|
|
}
|
|
|
|
public:
|
|
cmStringSorter(Compare compare, CaseSensitivity caseSensitivity,
|
|
Order desc = Order::ASCENDING)
|
|
: filters{ GetCompareFilter(compare), GetCaseFilter(caseSensitivity) }
|
|
, descending(desc == Order::DESCENDING)
|
|
{
|
|
}
|
|
|
|
std::string ApplyFilter(const std::string& argument)
|
|
{
|
|
std::string result = argument;
|
|
for (auto filter : filters) {
|
|
if (filter != nullptr) {
|
|
result = filter(result);
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
bool operator()(const std::string& a, const std::string& b)
|
|
{
|
|
std::string af = ApplyFilter(a);
|
|
std::string bf = ApplyFilter(b);
|
|
bool result;
|
|
if (descending) {
|
|
result = bf < af;
|
|
} else {
|
|
result = af < bf;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
protected:
|
|
StringFilter filters[2] = { nullptr, nullptr };
|
|
bool descending;
|
|
};
|
|
|
|
bool cmListCommand::HandleSortCommand(std::vector<std::string> const& args)
|
|
{
|
|
assert(args.size() >= 2);
|
|
if (args.size() > 8) {
|
|
this->SetError("sub-command SORT only takes up to six arguments.");
|
|
return false;
|
|
}
|
|
|
|
auto sortCompare = cmStringSorter::Compare::UNINITIALIZED;
|
|
auto sortCaseSensitivity = cmStringSorter::CaseSensitivity::UNINITIALIZED;
|
|
auto sortOrder = cmStringSorter::Order::UNINITIALIZED;
|
|
|
|
size_t argumentIndex = 2;
|
|
const std::string messageHint = "sub-command SORT ";
|
|
|
|
while (argumentIndex < args.size()) {
|
|
const std::string option = args[argumentIndex++];
|
|
if (option == "COMPARE") {
|
|
if (sortCompare != cmStringSorter::Compare::UNINITIALIZED) {
|
|
std::string error = messageHint + "option \"" + option +
|
|
"\" has been specified multiple times.";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
if (argumentIndex < args.size()) {
|
|
const std::string argument = args[argumentIndex++];
|
|
if (argument == "STRING") {
|
|
sortCompare = cmStringSorter::Compare::STRING;
|
|
} else if (argument == "FILE_BASENAME") {
|
|
sortCompare = cmStringSorter::Compare::FILE_BASENAME;
|
|
} 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 if (option == "CASE") {
|
|
if (sortCaseSensitivity !=
|
|
cmStringSorter::CaseSensitivity::UNINITIALIZED) {
|
|
std::string error = messageHint + "option \"" + option +
|
|
"\" has been specified multiple times.";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
if (argumentIndex < args.size()) {
|
|
const std::string argument = args[argumentIndex++];
|
|
if (argument == "SENSITIVE") {
|
|
sortCaseSensitivity = cmStringSorter::CaseSensitivity::SENSITIVE;
|
|
} else if (argument == "INSENSITIVE") {
|
|
sortCaseSensitivity = cmStringSorter::CaseSensitivity::INSENSITIVE;
|
|
} 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 if (option == "ORDER") {
|
|
|
|
if (sortOrder != cmStringSorter::Order::UNINITIALIZED) {
|
|
std::string error = messageHint + "option \"" + option +
|
|
"\" has been specified multiple times.";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
if (argumentIndex < args.size()) {
|
|
const std::string argument = args[argumentIndex++];
|
|
if (argument == "ASCENDING") {
|
|
sortOrder = cmStringSorter::Order::ASCENDING;
|
|
} else if (argument == "DESCENDING") {
|
|
sortOrder = cmStringSorter::Order::DESCENDING;
|
|
} 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;
|
|
}
|
|
}
|
|
// set Default Values if Option is not given
|
|
if (sortCompare == cmStringSorter::Compare::UNINITIALIZED) {
|
|
sortCompare = cmStringSorter::Compare::STRING;
|
|
}
|
|
if (sortCaseSensitivity == cmStringSorter::CaseSensitivity::UNINITIALIZED) {
|
|
sortCaseSensitivity = cmStringSorter::CaseSensitivity::SENSITIVE;
|
|
}
|
|
if (sortOrder == cmStringSorter::Order::UNINITIALIZED) {
|
|
sortOrder = cmStringSorter::Order::ASCENDING;
|
|
}
|
|
|
|
const std::string& listName = args[1];
|
|
// expand the variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, listName)) {
|
|
return true;
|
|
}
|
|
|
|
if ((sortCompare == cmStringSorter::Compare::STRING) &&
|
|
(sortCaseSensitivity == cmStringSorter::CaseSensitivity::SENSITIVE) &&
|
|
(sortOrder == cmStringSorter::Order::ASCENDING)) {
|
|
std::sort(varArgsExpanded.begin(), varArgsExpanded.end());
|
|
} else {
|
|
cmStringSorter sorter(sortCompare, sortCaseSensitivity, sortOrder);
|
|
std::sort(varArgsExpanded.begin(), varArgsExpanded.end(), sorter);
|
|
}
|
|
|
|
std::string value = cmJoin(varArgsExpanded, ";");
|
|
this->Makefile->AddDefinition(listName, value.c_str());
|
|
return true;
|
|
}
|
|
|
|
bool cmListCommand::HandleSublistCommand(std::vector<std::string> const& args)
|
|
{
|
|
if (args.size() != 5) {
|
|
std::ostringstream error;
|
|
error << "sub-command SUBLIST requires four arguments (" << args.size() - 1
|
|
<< " found).";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
const std::string& listName = args[1];
|
|
const std::string& variableName = args.back();
|
|
|
|
// expand the variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, listName) || varArgsExpanded.empty()) {
|
|
this->Makefile->AddDefinition(variableName, "");
|
|
return true;
|
|
}
|
|
|
|
const int start = atoi(args[2].c_str());
|
|
const int length = atoi(args[3].c_str());
|
|
|
|
using size_type = decltype(varArgsExpanded)::size_type;
|
|
|
|
if (start < 0 || size_type(start) >= varArgsExpanded.size()) {
|
|
std::ostringstream error;
|
|
error << "begin index: " << start << " is out of range 0 - "
|
|
<< varArgsExpanded.size() - 1;
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
if (length < -1) {
|
|
std::ostringstream error;
|
|
error << "length: " << length << " should be -1 or greater";
|
|
this->SetError(error.str());
|
|
return false;
|
|
}
|
|
|
|
const size_type end =
|
|
(length == -1 || size_type(start + length) > varArgsExpanded.size())
|
|
? varArgsExpanded.size()
|
|
: size_type(start + length);
|
|
std::vector<std::string> sublist(varArgsExpanded.begin() + start,
|
|
varArgsExpanded.begin() + end);
|
|
this->Makefile->AddDefinition(variableName, cmJoin(sublist, ";").c_str());
|
|
return true;
|
|
}
|
|
|
|
bool cmListCommand::HandleRemoveAtCommand(std::vector<std::string> const& args)
|
|
{
|
|
if (args.size() < 3) {
|
|
this->SetError("sub-command REMOVE_AT requires at least "
|
|
"two arguments.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& listName = args[1];
|
|
// expand the variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, listName) || varArgsExpanded.empty()) {
|
|
std::ostringstream str;
|
|
str << "index: ";
|
|
for (size_t i = 1; i < args.size(); ++i) {
|
|
str << args[i];
|
|
if (i != args.size() - 1) {
|
|
str << ", ";
|
|
}
|
|
}
|
|
str << " out of range (0, 0)";
|
|
this->SetError(str.str());
|
|
return false;
|
|
}
|
|
|
|
size_t cc;
|
|
std::vector<size_t> removed;
|
|
size_t nitem = varArgsExpanded.size();
|
|
for (cc = 2; cc < args.size(); ++cc) {
|
|
int item = atoi(args[cc].c_str());
|
|
if (item < 0) {
|
|
item = static_cast<int>(nitem) + item;
|
|
}
|
|
if (item < 0 || nitem <= static_cast<size_t>(item)) {
|
|
std::ostringstream str;
|
|
str << "index: " << item << " out of range (-" << nitem << ", "
|
|
<< nitem - 1 << ")";
|
|
this->SetError(str.str());
|
|
return false;
|
|
}
|
|
removed.push_back(static_cast<size_t>(item));
|
|
}
|
|
|
|
std::sort(removed.begin(), removed.end());
|
|
std::vector<size_t>::const_iterator remEnd =
|
|
std::unique(removed.begin(), removed.end());
|
|
std::vector<size_t>::const_iterator remBegin = removed.begin();
|
|
|
|
std::vector<std::string>::const_iterator argsEnd =
|
|
cmRemoveIndices(varArgsExpanded, cmMakeRange(remBegin, remEnd));
|
|
std::vector<std::string>::const_iterator argsBegin = varArgsExpanded.begin();
|
|
std::string value = cmJoin(cmMakeRange(argsBegin, argsEnd), ";");
|
|
|
|
this->Makefile->AddDefinition(listName, value.c_str());
|
|
return true;
|
|
}
|
|
|
|
bool cmListCommand::HandleFilterCommand(std::vector<std::string> const& args)
|
|
{
|
|
if (args.size() < 2) {
|
|
this->SetError("sub-command FILTER requires a list to be specified.");
|
|
return false;
|
|
}
|
|
|
|
if (args.size() < 3) {
|
|
this->SetError("sub-command FILTER requires an operator to be specified.");
|
|
return false;
|
|
}
|
|
|
|
if (args.size() < 4) {
|
|
this->SetError("sub-command FILTER requires a mode to be specified.");
|
|
return false;
|
|
}
|
|
|
|
const std::string& op = args[2];
|
|
bool includeMatches;
|
|
if (op == "INCLUDE") {
|
|
includeMatches = true;
|
|
} else if (op == "EXCLUDE") {
|
|
includeMatches = false;
|
|
} else {
|
|
this->SetError("sub-command FILTER does not recognize operator " + op);
|
|
return false;
|
|
}
|
|
|
|
const std::string& listName = args[1];
|
|
// expand the variable
|
|
std::vector<std::string> varArgsExpanded;
|
|
if (!this->GetList(varArgsExpanded, listName)) {
|
|
return true;
|
|
}
|
|
|
|
const std::string& mode = args[3];
|
|
if (mode == "REGEX") {
|
|
if (args.size() != 5) {
|
|
this->SetError("sub-command FILTER, mode REGEX "
|
|
"requires five arguments.");
|
|
return false;
|
|
}
|
|
return this->FilterRegex(args, includeMatches, listName, varArgsExpanded);
|
|
}
|
|
|
|
this->SetError("sub-command FILTER does not recognize mode " + mode);
|
|
return false;
|
|
}
|
|
|
|
class MatchesRegex
|
|
{
|
|
public:
|
|
MatchesRegex(cmsys::RegularExpression& in_regex, bool in_includeMatches)
|
|
: regex(in_regex)
|
|
, includeMatches(in_includeMatches)
|
|
{
|
|
}
|
|
|
|
bool operator()(const std::string& target)
|
|
{
|
|
return regex.find(target) ^ includeMatches;
|
|
}
|
|
|
|
private:
|
|
cmsys::RegularExpression& regex;
|
|
const bool includeMatches;
|
|
};
|
|
|
|
bool cmListCommand::FilterRegex(std::vector<std::string> const& args,
|
|
bool includeMatches,
|
|
std::string const& listName,
|
|
std::vector<std::string>& varArgsExpanded)
|
|
{
|
|
const std::string& pattern = args[4];
|
|
cmsys::RegularExpression regex(pattern);
|
|
if (!regex.is_valid()) {
|
|
std::string error = "sub-command FILTER, mode REGEX ";
|
|
error += "failed to compile regex \"";
|
|
error += pattern;
|
|
error += "\".";
|
|
this->SetError(error);
|
|
return false;
|
|
}
|
|
|
|
std::vector<std::string>::iterator argsBegin = varArgsExpanded.begin();
|
|
std::vector<std::string>::iterator argsEnd = varArgsExpanded.end();
|
|
std::vector<std::string>::iterator newArgsEnd =
|
|
std::remove_if(argsBegin, argsEnd, MatchesRegex(regex, includeMatches));
|
|
|
|
std::string value = cmJoin(cmMakeRange(argsBegin, newArgsEnd), ";");
|
|
this->Makefile->AddDefinition(listName, value.c_str());
|
|
return true;
|
|
}
|