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author | DongHun Kwak <dh0128.kwak@samsung.com> | 2021-10-08 09:14:18 +0900 |
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committer | DongHun Kwak <dh0128.kwak@samsung.com> | 2021-10-08 09:14:18 +0900 |
commit | d40909a98298a97d879ceeb3b29dcdc858e85628 (patch) | |
tree | 0a9255654a9376c5e9f29aa53d15f0ae173751a0 /Source/cmWhileCommand.cxx | |
parent | c5223aaf98b2d10aee32aa614519ee7a23698998 (diff) | |
download | cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.tar.gz cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.tar.bz2 cmake-d40909a98298a97d879ceeb3b29dcdc858e85628.zip |
Imported Upstream version 3.16.0upstream/3.16.0
Diffstat (limited to 'Source/cmWhileCommand.cxx')
-rw-r--r-- | Source/cmWhileCommand.cxx | 207 |
1 files changed, 103 insertions, 104 deletions
diff --git a/Source/cmWhileCommand.cxx b/Source/cmWhileCommand.cxx index a01fa6f1c..26e7c7537 100644 --- a/Source/cmWhileCommand.cxx +++ b/Source/cmWhileCommand.cxx @@ -2,18 +2,46 @@ file Copyright.txt or https://cmake.org/licensing for details. */ #include "cmWhileCommand.h" +#include <string> +#include <utility> + +#include <cm/memory> +#include <cm/string_view> + +#include "cm_static_string_view.hxx" + #include "cmConditionEvaluator.h" #include "cmExecutionStatus.h" #include "cmExpandedCommandArgument.h" +#include "cmFunctionBlocker.h" +#include "cmListFileCache.h" #include "cmMakefile.h" #include "cmMessageType.h" #include "cmSystemTools.h" -#include <memory> // IWYU pragma: keep +class cmWhileFunctionBlocker : public cmFunctionBlocker +{ +public: + cmWhileFunctionBlocker(cmMakefile* mf); + ~cmWhileFunctionBlocker() override; + + cm::string_view StartCommandName() const override { return "while"_s; } + cm::string_view EndCommandName() const override { return "endwhile"_s; } + + bool ArgumentsMatch(cmListFileFunction const& lff, + cmMakefile& mf) const override; + + bool Replay(std::vector<cmListFileFunction> functions, + cmExecutionStatus& inStatus) override; + + std::vector<cmListFileArgument> Args; + +private: + cmMakefile* Makefile; +}; cmWhileFunctionBlocker::cmWhileFunctionBlocker(cmMakefile* mf) : Makefile(mf) - , Depth(0) { this->Makefile->PushLoopBlock(); } @@ -23,122 +51,93 @@ cmWhileFunctionBlocker::~cmWhileFunctionBlocker() this->Makefile->PopLoopBlock(); } -bool cmWhileFunctionBlocker::IsFunctionBlocked(const cmListFileFunction& lff, - cmMakefile& mf, - cmExecutionStatus& inStatus) +bool cmWhileFunctionBlocker::ArgumentsMatch(cmListFileFunction const& lff, + cmMakefile&) const { - // at end of for each execute recorded commands - if (lff.Name.Lower == "while") { - // record the number of while commands past this one - this->Depth++; - } else if (lff.Name.Lower == "endwhile") { - // if this is the endwhile for this while loop then execute - if (!this->Depth) { - // Remove the function blocker for this scope or bail. - std::unique_ptr<cmFunctionBlocker> fb( - mf.RemoveFunctionBlocker(this, lff)); - if (!fb) { - return false; - } + return lff.Arguments.empty() || lff.Arguments == this->Args; +} - std::string errorString; - - std::vector<cmExpandedCommandArgument> expandedArguments; - mf.ExpandArguments(this->Args, expandedArguments); - MessageType messageType; - - cmListFileContext execContext = this->GetStartingContext(); - - cmCommandContext commandContext; - commandContext.Line = execContext.Line; - commandContext.Name = execContext.Name; - - cmConditionEvaluator conditionEvaluator(mf, this->GetStartingContext(), - mf.GetBacktrace(commandContext)); - - bool isTrue = - conditionEvaluator.IsTrue(expandedArguments, errorString, messageType); - - while (isTrue) { - if (!errorString.empty()) { - std::string err = "had incorrect arguments: "; - for (cmListFileArgument const& arg : this->Args) { - err += (arg.Delim ? "\"" : ""); - err += arg.Value; - err += (arg.Delim ? "\"" : ""); - err += " "; - } - err += "("; - err += errorString; - err += ")."; - mf.IssueMessage(messageType, err); - if (messageType == MessageType::FATAL_ERROR) { - cmSystemTools::SetFatalErrorOccured(); - return true; - } - } - - // Invoke all the functions that were collected in the block. - for (cmListFileFunction const& fn : this->Functions) { - cmExecutionStatus status; - mf.ExecuteCommand(fn, status); - if (status.GetReturnInvoked()) { - inStatus.SetReturnInvoked(); - return true; - } - if (status.GetBreakInvoked()) { - return true; - } - if (status.GetContinueInvoked()) { - break; - } - if (cmSystemTools::GetFatalErrorOccured()) { - return true; - } - } - expandedArguments.clear(); - mf.ExpandArguments(this->Args, expandedArguments); - isTrue = conditionEvaluator.IsTrue(expandedArguments, errorString, - messageType); - } - return true; - } - // decrement for each nested while that ends - this->Depth--; - } +bool cmWhileFunctionBlocker::Replay(std::vector<cmListFileFunction> functions, + cmExecutionStatus& inStatus) +{ + cmMakefile& mf = inStatus.GetMakefile(); + std::string errorString; - // record the command - this->Functions.push_back(lff); + std::vector<cmExpandedCommandArgument> expandedArguments; + mf.ExpandArguments(this->Args, expandedArguments); + MessageType messageType; - // always return true - return true; -} + cmListFileContext execContext = this->GetStartingContext(); -bool cmWhileFunctionBlocker::ShouldRemove(const cmListFileFunction& lff, - cmMakefile&) -{ - if (lff.Name.Lower == "endwhile") { - // if the endwhile has arguments, then make sure - // they match the arguments of the matching while - if (lff.Arguments.empty() || lff.Arguments == this->Args) { - return true; + cmCommandContext commandContext; + commandContext.Line = execContext.Line; + commandContext.Name = execContext.Name; + + cmConditionEvaluator conditionEvaluator(mf, this->GetStartingContext(), + mf.GetBacktrace(commandContext)); + + bool isTrue = + conditionEvaluator.IsTrue(expandedArguments, errorString, messageType); + + while (isTrue) { + if (!errorString.empty()) { + std::string err = "had incorrect arguments: "; + for (cmListFileArgument const& arg : this->Args) { + err += (arg.Delim ? "\"" : ""); + err += arg.Value; + err += (arg.Delim ? "\"" : ""); + err += " "; + } + err += "("; + err += errorString; + err += ")."; + mf.IssueMessage(messageType, err); + if (messageType == MessageType::FATAL_ERROR) { + cmSystemTools::SetFatalErrorOccured(); + return true; + } + } + + // Invoke all the functions that were collected in the block. + for (cmListFileFunction const& fn : functions) { + cmExecutionStatus status(mf); + mf.ExecuteCommand(fn, status); + if (status.GetReturnInvoked()) { + inStatus.SetReturnInvoked(); + return true; + } + if (status.GetBreakInvoked()) { + return true; + } + if (status.GetContinueInvoked()) { + break; + } + if (cmSystemTools::GetFatalErrorOccured()) { + return true; + } } + expandedArguments.clear(); + mf.ExpandArguments(this->Args, expandedArguments); + isTrue = + conditionEvaluator.IsTrue(expandedArguments, errorString, messageType); } - return false; + return true; } -bool cmWhileCommand::InvokeInitialPass( - const std::vector<cmListFileArgument>& args, cmExecutionStatus&) +bool cmWhileCommand(std::vector<cmListFileArgument> const& args, + cmExecutionStatus& status) { if (args.empty()) { - this->SetError("called with incorrect number of arguments"); + status.SetError("called with incorrect number of arguments"); return false; } // create a function blocker - cmWhileFunctionBlocker* f = new cmWhileFunctionBlocker(this->Makefile); - f->Args = args; - this->Makefile->AddFunctionBlocker(f); - + { + cmMakefile& makefile = status.GetMakefile(); + auto fb = cm::make_unique<cmWhileFunctionBlocker>(&makefile); + fb->Args = args; + makefile.AddFunctionBlocker(std::move(fb)); + } return true; } |