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@@ -14,8 +14,12 @@
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#include "cmMakefile.h"
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#include "cmSourceFile.h"
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+#include "cmSystemTools.h"
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+#include "cmGeneratorExpression.h"
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+#include "cmAlgorithms.h"
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#include <cmsys/RegularExpression.hxx>
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+#include <cmsys/FStream.hxx>
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/** \class cmDependInformation
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* \brief Store dependency information for a single source file.
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@@ -67,7 +71,13 @@ public:
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/**
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* This method adds the dependencies of another file to this one.
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*/
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- void AddDependencies(cmDependInformation*);
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+ void AddDependencies(cmDependInformation* info)
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+ {
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+ if(this != info)
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+ {
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+ this->DependencySet.insert(info);
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+ }
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+ }
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};
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@@ -79,59 +89,361 @@ public:
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/**
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* Construct the object with verbose turned off.
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*/
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- cmMakeDepend();
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+ cmMakeDepend()
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+ {
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+ this->Verbose = false;
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+ this->IncludeFileRegularExpression.compile("^.*$");
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+ this->ComplainFileRegularExpression.compile("^$");
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+ }
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/**
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* Destructor.
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*/
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- virtual ~cmMakeDepend();
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+ virtual ~cmMakeDepend()
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+ {
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+ cmDeleteAll(this->DependInformationMap);
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+ }
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/**
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* Set the makefile that is used as a source of classes.
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*/
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- virtual void SetMakefile(cmMakefile* makefile);
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+ virtual void SetMakefile(cmMakefile* makefile)
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+ {
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+ this->Makefile = makefile;
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+
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+ // Now extract the include file regular expression from the makefile.
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+ this->IncludeFileRegularExpression.compile(
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+ this->Makefile->GetIncludeRegularExpression());
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+ this->ComplainFileRegularExpression.compile(
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+ this->Makefile->GetComplainRegularExpression());
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+
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+ // Now extract any include paths from the targets
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+ std::set<std::string> uniqueIncludes;
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+ std::vector<std::string> orderedAndUniqueIncludes;
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+ cmTargets &targets = this->Makefile->GetTargets();
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+ for (cmTargets::iterator l = targets.begin();
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+ l != targets.end(); ++l)
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+ {
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+ const char *incDirProp = l->second.GetProperty("INCLUDE_DIRECTORIES");
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+ if (!incDirProp)
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+ {
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+ continue;
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+ }
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+
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+ std::string incDirs =
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+ cmGeneratorExpression::Preprocess(incDirProp,
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+ cmGeneratorExpression::StripAllGeneratorExpressions);
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+
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+ std::vector<std::string> includes;
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+ cmSystemTools::ExpandListArgument(incDirs, includes);
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+
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+ for(std::vector<std::string>::const_iterator j = includes.begin();
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+ j != includes.end(); ++j)
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+ {
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+ std::string path = *j;
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+ this->Makefile->ExpandVariablesInString(path);
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+ if(uniqueIncludes.insert(path).second)
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+ {
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+ orderedAndUniqueIncludes.push_back(path);
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+ }
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+ }
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+ }
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+
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+ for(std::vector<std::string>::const_iterator
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+ it = orderedAndUniqueIncludes.begin();
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+ it != orderedAndUniqueIncludes.end();
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+ ++it)
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+ {
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+ this->AddSearchPath(*it);
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+ }
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+ }
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/**
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* Add a directory to the search path for include files.
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*/
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- virtual void AddSearchPath(const std::string&);
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+ virtual void AddSearchPath(const std::string& path)
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+ {
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+ this->IncludeDirectories.push_back(path);
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+ }
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/**
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* Generate dependencies for the file given. Returns a pointer to
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* the cmDependInformation object for the file.
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*/
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- const cmDependInformation* FindDependencies(const char* file);
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+ const cmDependInformation* FindDependencies(const char* file)
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+ {
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+ cmDependInformation* info = this->GetDependInformation(file,0);
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+ this->GenerateDependInformation(info);
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+ return info;
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+ }
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protected:
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/**
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* Compute the depend information for this class.
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*/
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- virtual void DependWalk(cmDependInformation* info);
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+ virtual void DependWalk(cmDependInformation* info)
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+ {
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+ cmsys::RegularExpression includeLine
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+ ("^[ \t]*#[ \t]*include[ \t]*[<\"]([^\">]+)[\">]");
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+ cmsys::ifstream fin(info->FullPath.c_str());
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+ if(!fin)
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+ {
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+ cmSystemTools::Error("Cannot open ", info->FullPath.c_str());
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+ return;
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+ }
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+
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+ // TODO: Write real read loop (see cmSystemTools::CopyFile).
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+ std::string line;
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+ while( cmSystemTools::GetLineFromStream(fin, line) )
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+ {
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+ if(includeLine.find(line.c_str()))
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+ {
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+ // extract the file being included
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+ std::string includeFile = includeLine.match(1);
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+ // see if the include matches the regular expression
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+ if(!this->IncludeFileRegularExpression.find(includeFile))
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+ {
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+ if(this->Verbose)
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+ {
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+ std::string message = "Skipping ";
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+ message += includeFile;
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+ message += " for file ";
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+ message += info->FullPath.c_str();
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+ cmSystemTools::Error(message.c_str(), 0);
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+ }
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+ continue;
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+ }
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+ // Add this file and all its dependencies.
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+ this->AddDependency(info, includeFile.c_str());
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+ }
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+ }
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+ }
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/**
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* Add a dependency. Possibly walk it for more dependencies.
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*/
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- virtual void AddDependency(cmDependInformation* info, const char* file);
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+ virtual void AddDependency(cmDependInformation* info, const char* file)
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+ {
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+ cmDependInformation* dependInfo =
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+ this->GetDependInformation(file, info->PathOnly.c_str());
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+ this->GenerateDependInformation(dependInfo);
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+ info->AddDependencies(dependInfo);
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+ }
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/**
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* Fill in the given object with dependency information. If the
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* information is already complete, nothing is done.
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*/
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- void GenerateDependInformation(cmDependInformation* info);
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+ void GenerateDependInformation(cmDependInformation* info)
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+ {
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+ // If dependencies are already done, stop now.
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+ if(info->DependDone)
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+ {
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+ return;
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+ }
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+ else
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+ {
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+ // Make sure we don't visit the same file more than once.
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+ info->DependDone = true;
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+ }
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+ const char* path = info->FullPath.c_str();
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+ if(!path)
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+ {
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+ cmSystemTools::Error(
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+ "Attempt to find dependencies for file without path!");
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+ return;
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+ }
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+
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+ bool found = false;
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+
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+ // If the file exists, use it to find dependency information.
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+ if(cmSystemTools::FileExists(path, true))
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+ {
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+ // Use the real file to find its dependencies.
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+ this->DependWalk(info);
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+ found = true;
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+ }
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+
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+
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+ // See if the cmSourceFile for it has any files specified as
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+ // dependency hints.
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+ if(info->SourceFile != 0)
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+ {
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+
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+ // Get the cmSourceFile corresponding to this.
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+ const cmSourceFile& cFile = *(info->SourceFile);
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+ // See if there are any hints for finding dependencies for the missing
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+ // file.
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+ if(!cFile.GetDepends().empty())
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+ {
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+ // Dependency hints have been given. Use them to begin the
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+ // recursion.
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+ for(std::vector<std::string>::const_iterator file =
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+ cFile.GetDepends().begin(); file != cFile.GetDepends().end();
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+ ++file)
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+ {
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+ this->AddDependency(info, file->c_str());
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+ }
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+
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+ // Found dependency information. We are done.
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+ found = true;
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+ }
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+ }
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+
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+ if(!found)
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+ {
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+ // Try to find the file amongst the sources
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+ cmSourceFile *srcFile = this->Makefile->GetSource
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+ (cmSystemTools::GetFilenameWithoutExtension(path));
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+ if (srcFile)
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+ {
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+ if (srcFile->GetFullPath() == path)
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+ {
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+ found=true;
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+ }
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+ else
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+ {
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+ //try to guess which include path to use
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+ for(std::vector<std::string>::iterator t =
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+ this->IncludeDirectories.begin();
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+ t != this->IncludeDirectories.end(); ++t)
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+ {
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+ std::string incpath = *t;
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+ if (!incpath.empty() && incpath[incpath.size() - 1] != '/')
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+ {
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+ incpath = incpath + "/";
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+ }
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+ incpath = incpath + path;
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+ if (srcFile->GetFullPath() == incpath)
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+ {
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+ // set the path to the guessed path
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+ info->FullPath = incpath;
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+ found=true;
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+ }
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+ }
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+ }
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+ }
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+ }
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+
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+ if(!found)
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+ {
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+ // Couldn't find any dependency information.
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+ if(this->ComplainFileRegularExpression.find(info->IncludeName.c_str()))
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+ {
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+ cmSystemTools::Error("error cannot find dependencies for ", path);
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+ }
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+ else
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+ {
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+ // Destroy the name of the file so that it won't be output as a
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+ // dependency.
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+ info->FullPath = "";
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+ }
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+ }
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+ }
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/**
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* Get an instance of cmDependInformation corresponding to the given file
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* name.
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*/
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cmDependInformation* GetDependInformation(const char* file,
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- const char *extraPath);
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+ const char *extraPath)
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+ {
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+ // Get the full path for the file so that lookup is unambiguous.
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+ std::string fullPath = this->FullPath(file, extraPath);
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+
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+ // Try to find the file's instance of cmDependInformation.
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+ DependInformationMapType::const_iterator result =
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+ this->DependInformationMap.find(fullPath);
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+ if(result != this->DependInformationMap.end())
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+ {
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+ // Found an instance, return it.
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+ return result->second;
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+ }
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+ else
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+ {
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+ // Didn't find an instance. Create a new one and save it.
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+ cmDependInformation* info = new cmDependInformation;
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+ info->FullPath = fullPath;
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+ info->PathOnly = cmSystemTools::GetFilenamePath(fullPath);
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+ info->IncludeName = file;
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+ this->DependInformationMap[fullPath] = info;
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+ return info;
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+ }
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+ }
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/**
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* Find the full path name for the given file name.
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* This uses the include directories.
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* TODO: Cache path conversions to reduce FileExists calls.
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*/
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- std::string FullPath(const char *filename, const char *extraPath);
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+ std::string FullPath(const char *fname, const char *extraPath)
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+ {
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+ DirectoryToFileToPathMapType::iterator m;
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+ if(extraPath)
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+ {
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+ m = this->DirectoryToFileToPathMap.find(extraPath);
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+ }
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+ else
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+ {
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+ m = this->DirectoryToFileToPathMap.find("");
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+ }
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+
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+ if(m != this->DirectoryToFileToPathMap.end())
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+ {
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+ FileToPathMapType& map = m->second;
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+ FileToPathMapType::iterator p = map.find(fname);
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+ if(p != map.end())
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+ {
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+ return p->second;
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+ }
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+ }
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+
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+ if(cmSystemTools::FileExists(fname, true))
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+ {
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+ std::string fp = cmSystemTools::CollapseFullPath(fname);
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+ this->DirectoryToFileToPathMap[extraPath? extraPath: ""][fname] = fp;
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+ return fp;
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+ }
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+
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+ for(std::vector<std::string>::iterator i =
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+ this->IncludeDirectories.begin();
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+ i != this->IncludeDirectories.end(); ++i)
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+ {
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+ std::string path = *i;
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+ if (!path.empty() && path[path.size() - 1] != '/')
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+ {
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+ path = path + "/";
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+ }
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+ path = path + fname;
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+ if(cmSystemTools::FileExists(path.c_str(), true)
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+ && !cmSystemTools::FileIsDirectory(path))
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+ {
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+ std::string fp = cmSystemTools::CollapseFullPath(path);
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+ this->DirectoryToFileToPathMap[extraPath? extraPath: ""][fname] = fp;
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+ return fp;
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+ }
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+ }
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+
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+ if (extraPath)
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+ {
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+ std::string path = extraPath;
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+ if (!path.empty() && path[path.size() - 1] != '/')
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+ {
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+ path = path + "/";
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+ }
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+ path = path + fname;
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+ if(cmSystemTools::FileExists(path.c_str(), true)
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+ && !cmSystemTools::FileIsDirectory(path))
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+ {
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+ std::string fp = cmSystemTools::CollapseFullPath(path);
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+ this->DirectoryToFileToPathMap[extraPath][fname] = fp;
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+ return fp;
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+ }
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+ }
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+
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+ // Couldn't find the file.
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+ return std::string(fname);
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+ }
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cmMakefile* Makefile;
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bool Verbose;
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Stephen Kelly