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authorAnas Nashif <anas.nashif@intel.com>2012-10-30 22:39:57 (GMT)
committerAnas Nashif <anas.nashif@intel.com>2012-10-30 22:39:57 (GMT)
commit035c7fabc3b82cbc9a346c11abe2e9462b4c0379 (patch)
tree7e40f5a790eae329a8c5d3e59f046451767956ff /Source/cmMacroCommand.cxx
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Imported Upstream version 2.8.9upstream/2.8.9
Diffstat (limited to 'Source/cmMacroCommand.cxx')
-rw-r--r--Source/cmMacroCommand.cxx350
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diff --git a/Source/cmMacroCommand.cxx b/Source/cmMacroCommand.cxx
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+/*============================================================================
+ CMake - Cross Platform Makefile Generator
+ Copyright 2000-2009 Kitware, Inc., Insight Software Consortium
+
+ Distributed under the OSI-approved BSD License (the "License");
+ see accompanying file Copyright.txt for details.
+
+ This software is distributed WITHOUT ANY WARRANTY; without even the
+ implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ See the License for more information.
+============================================================================*/
+#include "cmMacroCommand.h"
+
+#include "cmake.h"
+
+// define the class for macro commands
+class cmMacroHelperCommand : public cmCommand
+{
+public:
+ cmMacroHelperCommand() {}
+
+ ///! clean up any memory allocated by the macro
+ ~cmMacroHelperCommand() {};
+
+ /**
+ * This is used to avoid including this command
+ * in documentation. This is mainly used by
+ * cmMacroHelperCommand and cmFunctionHelperCommand
+ * which cannot provide appropriate documentation.
+ */
+ virtual bool ShouldAppearInDocumentation() const
+ {
+ return false;
+ }
+
+ /**
+ * This is a virtual constructor for the command.
+ */
+ virtual cmCommand* Clone()
+ {
+ cmMacroHelperCommand *newC = new cmMacroHelperCommand;
+ // we must copy when we clone
+ newC->Args = this->Args;
+ newC->Functions = this->Functions;
+ newC->FilePath = this->FilePath;
+ newC->Policies = this->Policies;
+ return newC;
+ }
+
+ /**
+ * This determines if the command is invoked when in script mode.
+ */
+ virtual bool IsScriptable() const { return true; }
+
+ /**
+ * This is called when the command is first encountered in
+ * the CMakeLists.txt file.
+ */
+ virtual bool InvokeInitialPass(const std::vector<cmListFileArgument>& args,
+ cmExecutionStatus &);
+
+ virtual bool InitialPass(std::vector<std::string> const&,
+ cmExecutionStatus &) { return false; };
+
+ /**
+ * The name of the command as specified in CMakeList.txt.
+ */
+ virtual const char* GetName() const { return this->Args[0].c_str(); }
+
+ /**
+ * Succinct documentation.
+ */
+ virtual const char* GetTerseDocumentation() const
+ {
+ std::string docs = "Macro named: ";
+ docs += this->GetName();
+ return docs.c_str();
+ }
+
+ /**
+ * More documentation.
+ */
+ virtual const char* GetFullDocumentation() const
+ {
+ return this->GetTerseDocumentation();
+ }
+
+ cmTypeMacro(cmMacroHelperCommand, cmCommand);
+
+ std::vector<std::string> Args;
+ std::vector<cmListFileFunction> Functions;
+ cmPolicies::PolicyMap Policies;
+ std::string FilePath;
+};
+
+
+bool cmMacroHelperCommand::InvokeInitialPass
+(const std::vector<cmListFileArgument>& args,
+ cmExecutionStatus &inStatus)
+{
+ // Expand the argument list to the macro.
+ std::vector<std::string> expandedArgs;
+ this->Makefile->ExpandArguments(args, expandedArgs);
+
+ std::string tmps;
+ cmListFileArgument arg;
+ std::string variable;
+
+ // make sure the number of arguments passed is at least the number
+ // required by the signature
+ if (expandedArgs.size() < this->Args.size() - 1)
+ {
+ std::string errorMsg =
+ "Macro invoked with incorrect arguments for macro named: ";
+ errorMsg += this->Args[0];
+ this->SetError(errorMsg.c_str());
+ return false;
+ }
+
+ // Enforce matching logical blocks inside the macro.
+ cmMakefile::LexicalPushPop lexScope(this->Makefile);
+
+ // Push a weak policy scope which restores the policies recorded at
+ // macro creation.
+ cmMakefile::PolicyPushPop polScope(this->Makefile, true, this->Policies);
+
+ // set the value of argc
+ cmOStringStream argcDefStream;
+ argcDefStream << expandedArgs.size();
+ std::string argcDef = argcDefStream.str();
+
+ // declare varuiables for ARGV ARGN but do not compute until needed
+ std::string argvDef;
+ std::string argnDef;
+ bool argnDefInitialized = false;
+ bool argvDefInitialized = false;
+ if( this->Functions.size())
+ {
+ this->FilePath = this->Functions[0].FilePath;
+ }
+ // Invoke all the functions that were collected in the block.
+ cmListFileFunction newLFF;
+ // for each function
+ for(unsigned int c = 0; c < this->Functions.size(); ++c)
+ {
+ // Replace the formal arguments and then invoke the command.
+ newLFF.Arguments.clear();
+ newLFF.Arguments.reserve(this->Functions[c].Arguments.size());
+ newLFF.Name = this->Functions[c].Name;
+ newLFF.FilePath = this->Functions[c].FilePath;
+ newLFF.Line = this->Functions[c].Line;
+
+ // for each argument of the current function
+ for (std::vector<cmListFileArgument>::iterator k =
+ this->Functions[c].Arguments.begin();
+ k != this->Functions[c].Arguments.end(); ++k)
+ {
+ // Set the FilePath on the arguments to match the function since it is
+ // not stored and the original values may be freed
+ k->FilePath = this->FilePath.c_str();
+ tmps = k->Value;
+ // replace formal arguments
+ for (unsigned int j = 1; j < this->Args.size(); ++j)
+ {
+ variable = "${";
+ variable += this->Args[j];
+ variable += "}";
+ cmSystemTools::ReplaceString(tmps, variable.c_str(),
+ expandedArgs[j-1].c_str());
+ }
+ // replace argc
+ cmSystemTools::ReplaceString(tmps, "${ARGC}",argcDef.c_str());
+
+ // repleace ARGN
+ if (tmps.find("${ARGN}") != std::string::npos)
+ {
+ if (!argnDefInitialized)
+ {
+ std::vector<std::string>::const_iterator eit;
+ std::vector<std::string>::size_type cnt = 0;
+ for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
+ {
+ if ( cnt >= this->Args.size()-1 )
+ {
+ if ( argnDef.size() > 0 )
+ {
+ argnDef += ";";
+ }
+ argnDef += *eit;
+ }
+ cnt ++;
+ }
+ argnDefInitialized = true;
+ }
+ cmSystemTools::ReplaceString(tmps, "${ARGN}", argnDef.c_str());
+ }
+
+ // if the current argument of the current function has ${ARGV in it
+ // then try replacing ARGV values
+ if (tmps.find("${ARGV") != std::string::npos)
+ {
+ char argvName[60];
+
+ // repleace ARGV, compute it only once
+ if (!argvDefInitialized)
+ {
+ std::vector<std::string>::const_iterator eit;
+ for ( eit = expandedArgs.begin(); eit != expandedArgs.end(); ++eit )
+ {
+ if ( argvDef.size() > 0 )
+ {
+ argvDef += ";";
+ }
+ argvDef += *eit;
+ }
+ argvDefInitialized = true;
+ }
+ cmSystemTools::ReplaceString(tmps, "${ARGV}", argvDef.c_str());
+
+ // also replace the ARGV1 ARGV2 ... etc
+ for (unsigned int t = 0; t < expandedArgs.size(); ++t)
+ {
+ sprintf(argvName,"${ARGV%i}",t);
+ cmSystemTools::ReplaceString(tmps, argvName,
+ expandedArgs[t].c_str());
+ }
+ }
+
+ arg.Value = tmps;
+ arg.Quoted = k->Quoted;
+ arg.FilePath = k->FilePath;
+ arg.Line = k->Line;
+ newLFF.Arguments.push_back(arg);
+ }
+ cmExecutionStatus status;
+ if(!this->Makefile->ExecuteCommand(newLFF, status) ||
+ status.GetNestedError())
+ {
+ // The error message should have already included the call stack
+ // so we do not need to report an error here.
+ lexScope.Quiet();
+ polScope.Quiet();
+ inStatus.SetNestedError(true);
+ return false;
+ }
+ if (status.GetReturnInvoked())
+ {
+ inStatus.SetReturnInvoked(true);
+ return true;
+ }
+ if (status.GetBreakInvoked())
+ {
+ inStatus.SetBreakInvoked(true);
+ return true;
+ }
+ }
+ return true;
+}
+
+bool cmMacroFunctionBlocker::
+IsFunctionBlocked(const cmListFileFunction& lff, cmMakefile &mf,
+ cmExecutionStatus &)
+{
+ // record commands until we hit the ENDMACRO
+ // at the ENDMACRO call we shift gears and start looking for invocations
+ if(!cmSystemTools::Strucmp(lff.Name.c_str(),"macro"))
+ {
+ this->Depth++;
+ }
+ else if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endmacro"))
+ {
+ // if this is the endmacro for this macro then execute
+ if (!this->Depth)
+ {
+ std::string name = this->Args[0];
+ std::vector<std::string>::size_type cc;
+ name += "(";
+ for ( cc = 0; cc < this->Args.size(); cc ++ )
+ {
+ name += " " + this->Args[cc];
+ }
+ name += " )";
+ mf.AddMacro(this->Args[0].c_str(), name.c_str());
+ // create a new command and add it to cmake
+ cmMacroHelperCommand *f = new cmMacroHelperCommand();
+ f->Args = this->Args;
+ f->Functions = this->Functions;
+ mf.RecordPolicies(f->Policies);
+ std::string newName = "_" + this->Args[0];
+ mf.GetCMakeInstance()->RenameCommand(this->Args[0].c_str(),
+ newName.c_str());
+ mf.AddCommand(f);
+
+ // remove the function blocker now that the macro is defined
+ mf.RemoveFunctionBlocker(this, lff);
+ return true;
+ }
+ else
+ {
+ // decrement for each nested macro that ends
+ this->Depth--;
+ }
+ }
+
+ // if it wasn't an endmacro and we are not executing then we must be
+ // recording
+ this->Functions.push_back(lff);
+ return true;
+}
+
+
+bool cmMacroFunctionBlocker::
+ShouldRemove(const cmListFileFunction& lff, cmMakefile &mf)
+{
+ if(!cmSystemTools::Strucmp(lff.Name.c_str(),"endmacro"))
+ {
+ std::vector<std::string> expandedArguments;
+ mf.ExpandArguments(lff.Arguments, expandedArguments);
+ // if the endmacro has arguments make sure they
+ // match the arguments of the macro
+ if ((expandedArguments.empty() ||
+ (expandedArguments[0] == this->Args[0])))
+ {
+ return true;
+ }
+ }
+
+ return false;
+}
+
+bool cmMacroCommand::InitialPass(std::vector<std::string> const& args,
+ cmExecutionStatus &)
+{
+ if(args.size() < 1)
+ {
+ this->SetError("called with incorrect number of arguments");
+ return false;
+ }
+
+ // create a function blocker
+ cmMacroFunctionBlocker *f = new cmMacroFunctionBlocker();
+ for(std::vector<std::string>::const_iterator j = args.begin();
+ j != args.end(); ++j)
+ {
+ f->Args.push_back(*j);
+ }
+ this->Makefile->AddFunctionBlocker(f);
+ return true;
+}
+