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https://github.com/reactos/CMake.git
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96afb12087
This converts the CMake license to a pure 3-clause OSI-approved BSD License. We drop the previous license clause requiring modified versions to be plainly marked. We also update the CMake copyright to cover the full development time range.
332 lines
9.6 KiB
C++
332 lines
9.6 KiB
C++
/*============================================================================
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CMake - Cross Platform Makefile Generator
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Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
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Distributed under the OSI-approved BSD License (the "License");
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see accompanying file Copyright.txt for details.
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This software is distributed WITHOUT ANY WARRANTY; without even the
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implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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See the License for more information.
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============================================================================*/
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#include "cmMacroCommand.h"
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#include "cmake.h"
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// define the class for macro commands
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class cmMacroHelperCommand : public cmCommand
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{
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public:
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cmMacroHelperCommand() {}
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///! clean up any memory allocated by the macro
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~cmMacroHelperCommand() {};
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/**
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* This is a virtual constructor for the command.
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*/
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virtual cmCommand* Clone()
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{
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cmMacroHelperCommand *newC = new cmMacroHelperCommand;
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// we must copy when we clone
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newC->Args = this->Args;
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newC->Functions = this->Functions;
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newC->Policies = this->Policies;
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return newC;
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}
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/**
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* This determines if the command is invoked when in script mode.
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*/
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virtual bool IsScriptable() { return true; }
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/**
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* This is called when the command is first encountered in
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* the CMakeLists.txt file.
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*/
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virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
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cmExecutionStatus &);
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virtual bool InitialPass(std::vector<std::string> const&,
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cmExecutionStatus &) { return false; };
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/**
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* The name of the command as specified in CMakeList.txt.
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*/
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virtual const char* GetName() { return this->Args[0].c_str(); }
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/**
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* Succinct documentation.
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*/
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virtual const char* GetTerseDocumentation()
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{
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std::string docs = "Macro named: ";
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docs += this->GetName();
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return docs.c_str();
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}
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/**
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* More documentation.
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*/
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virtual const char* GetFullDocumentation()
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{
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return this->GetTerseDocumentation();
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}
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cmTypeMacro(cmMacroHelperCommand, cmCommand);
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std::vector<std::string> Args;
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std::vector<cmListFileFunction> Functions;
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cmPolicies::PolicyMap Policies;
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};
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bool cmMacroHelperCommand::InvokeInitialPass
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(const std::vector<cmListFileArgument>& args,
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cmExecutionStatus &inStatus)
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{
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// Expand the argument list to the macro.
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std::vector<std::string> expandedArgs;
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this->Makefile->ExpandArguments(args, expandedArgs);
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std::string tmps;
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cmListFileArgument arg;
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std::string variable;
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// make sure the number of arguments passed is at least the number
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// required by the signature
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if (expandedArgs.size() < this->Args.size() - 1)
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{
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std::string errorMsg =
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"Macro invoked with incorrect arguments for macro named: ";
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errorMsg += this->Args[0];
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this->SetError(errorMsg.c_str());
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return false;
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}
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// Enforce matching logical blocks inside the macro.
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cmMakefile::LexicalPushPop lexScope(this->Makefile);
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// Push a weak policy scope which restores the policies recorded at
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// macro creation.
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cmMakefile::PolicyPushPop polScope(this->Makefile, true, this->Policies);
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// set the value of argc
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cmOStringStream argcDefStream;
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argcDefStream << expandedArgs.size();
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std::string argcDef = argcDefStream.str();
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// declare varuiables for ARGV ARGN but do not compute until needed
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std::string argvDef;
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std::string argnDef;
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bool argnDefInitialized = false;
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bool argvDefInitialized = false;
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// Invoke all the functions that were collected in the block.
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cmListFileFunction newLFF;
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// for each function
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for(unsigned int c = 0; c < this->Functions.size(); ++c)
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{
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// Replace the formal arguments and then invoke the command.
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newLFF.Arguments.clear();
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newLFF.Arguments.reserve(this->Functions[c].Arguments.size());
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newLFF.Name = this->Functions[c].Name;
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newLFF.FilePath = this->Functions[c].FilePath;
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newLFF.Line = this->Functions[c].Line;
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// for each argument of the current function
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for (std::vector<cmListFileArgument>::const_iterator k =
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this->Functions[c].Arguments.begin();
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k != this->Functions[c].Arguments.end(); ++k)
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{
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tmps = k->Value;
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// replace formal arguments
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for (unsigned int j = 1; j < this->Args.size(); ++j)
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{
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variable = "${";
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variable += this->Args[j];
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variable += "}";
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cmSystemTools::ReplaceString(tmps, variable.c_str(),
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expandedArgs[j-1].c_str());
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}
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// replace argc
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cmSystemTools::ReplaceString(tmps, "${ARGC}",argcDef.c_str());
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// repleace ARGN
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if (tmps.find("${ARGN}") != std::string::npos)
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{
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if (!argnDefInitialized)
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{
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std::vector<std::string>::const_iterator eit;
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std::vector<std::string>::size_type cnt = 0;
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for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
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{
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if ( cnt >= this->Args.size()-1 )
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{
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if ( argnDef.size() > 0 )
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{
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argnDef += ";";
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}
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argnDef += *eit;
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}
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cnt ++;
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}
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argnDefInitialized = true;
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}
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cmSystemTools::ReplaceString(tmps, "${ARGN}", argnDef.c_str());
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}
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// if the current argument of the current function has ${ARGV in it
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// then try replacing ARGV values
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if (tmps.find("${ARGV") != std::string::npos)
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{
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char argvName[60];
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// repleace ARGV, compute it only once
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if (!argvDefInitialized)
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{
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std::vector<std::string>::const_iterator eit;
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for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
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{
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if ( argvDef.size() > 0 )
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{
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argvDef += ";";
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}
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argvDef += *eit;
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}
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argvDefInitialized = true;
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}
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cmSystemTools::ReplaceString(tmps, "${ARGV}", argvDef.c_str());
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// also replace the ARGV1 ARGV2 ... etc
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for (unsigned int t = 0; t < expandedArgs.size(); ++t)
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{
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sprintf(argvName,"${ARGV%i}",t);
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cmSystemTools::ReplaceString(tmps, argvName,
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expandedArgs[t].c_str());
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}
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}
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arg.Value = tmps;
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arg.Quoted = k->Quoted;
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arg.FilePath = k->FilePath;
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arg.Line = k->Line;
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newLFF.Arguments.push_back(arg);
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}
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cmExecutionStatus status;
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if(!this->Makefile->ExecuteCommand(newLFF, status) ||
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status.GetNestedError())
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{
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// The error message should have already included the call stack
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// so we do not need to report an error here.
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lexScope.Quiet();
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polScope.Quiet();
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inStatus.SetNestedError(true);
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return false;
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}
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if (status.GetReturnInvoked())
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{
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inStatus.SetReturnInvoked(true);
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return true;
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}
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if (status.GetBreakInvoked())
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{
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inStatus.SetBreakInvoked(true);
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return true;
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}
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}
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return true;
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}
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bool cmMacroFunctionBlocker::
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IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
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cmExecutionStatus &)
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{
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// record commands until we hit the ENDMACRO
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// at the ENDMACRO call we shift gears and start looking for invocations
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if(!cmSystemTools::Strucmp(lff.Name.c_str(),"macro"))
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{
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this->Depth++;
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}
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else if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endmacro"))
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{
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// if this is the endmacro for this macro then execute
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if (!this->Depth)
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{
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std::string name = this->Args[0];
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std::vector<std::string>::size_type cc;
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name += "(";
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for ( cc = 0; cc < this->Args.size(); cc ++ )
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{
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name += " " + this->Args[cc];
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}
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name += " )";
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mf.AddMacro(this->Args[0].c_str(), name.c_str());
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// create a new command and add it to cmake
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cmMacroHelperCommand *f = new cmMacroHelperCommand();
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f->Args = this->Args;
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f->Functions = this->Functions;
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mf.RecordPolicies(f->Policies);
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std::string newName = "_" + this->Args[0];
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mf.GetCMakeInstance()->RenameCommand(this->Args[0].c_str(),
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newName.c_str());
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mf.AddCommand(f);
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// remove the function blocker now that the macro is defined
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mf.RemoveFunctionBlocker(this, lff);
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return true;
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}
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else
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{
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// decrement for each nested macro that ends
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this->Depth--;
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}
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}
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// if it wasn't an endmacro and we are not executing then we must be
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// recording
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this->Functions.push_back(lff);
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return true;
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}
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bool cmMacroFunctionBlocker::
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ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf)
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{
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if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endmacro"))
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{
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std::vector<std::string> expandedArguments;
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mf.ExpandArguments(lff.Arguments, expandedArguments);
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// if the endmacro has arguments make sure they
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// match the arguments of the macro
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if ((expandedArguments.empty() ||
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(expandedArguments[0] == this->Args[0])))
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{
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return true;
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}
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}
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return false;
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}
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bool cmMacroCommand::InitialPass(std::vector<std::string> const& args,
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cmExecutionStatus &)
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{
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if(args.size() < 1)
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{
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this->SetError("called with incorrect number of arguments");
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return false;
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}
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// create a function blocker
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cmMacroFunctionBlocker *f = new cmMacroFunctionBlocker();
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for(std::vector<std::string>::const_iterator j = args.begin();
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j != args.end(); ++j)
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{
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f->Args.push_back(*j);
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}
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this->Makefile->AddFunctionBlocker(f);
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return true;
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}
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