1259 lines
39 KiB
C++
1259 lines
39 KiB
C++
/*=========================================================================
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Program: CMake - Cross-Platform Makefile Generator
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Module: $RCSfile$
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Language: C++
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Date: $Date$
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Version: $Revision$
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Copyright (c) 2002 Kitware, Inc., Insight Consortium. All rights reserved.
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See Copyright.txt or http://www.cmake.org/HTML/Copyright.html for details.
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This software is distributed WITHOUT ANY WARRANTY; without even
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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PURPOSE. See the above copyright notices for more information.
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=========================================================================*/
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#include "cmDependsFortran.h"
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#include "cmSystemTools.h"
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#include "cmLocalGenerator.h"
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#include "cmMakefile.h"
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#include "cmGeneratedFileStream.h"
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#include "cmDependsFortranParser.h" /* Interface to parser object. */
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#include <assert.h>
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#include <stack>
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// TODO: Test compiler for the case of the mod file. Some always
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// use lower case and some always use upper case. I do not know if any
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// use the case from the source code.
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//----------------------------------------------------------------------------
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// Information about a single source file.
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class cmDependsFortranSourceInfo
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{
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public:
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// The name of the soruce file.
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std::string Source;
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// Set of provided and required modules.
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std::set<cmStdString> Provides;
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std::set<cmStdString> Requires;
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// Set of files included in the translation unit.
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std::set<cmStdString> Includes;
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};
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//----------------------------------------------------------------------------
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// Parser methods not included in generated interface.
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// Get the current buffer processed by the lexer.
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YY_BUFFER_STATE cmDependsFortranLexer_GetCurrentBuffer(yyscan_t yyscanner);
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// The parser entry point.
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int cmDependsFortran_yyparse(yyscan_t);
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//----------------------------------------------------------------------------
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// Define parser object internal structure.
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struct cmDependsFortranFile
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{
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cmDependsFortranFile(FILE* file, YY_BUFFER_STATE buffer,
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const std::string& dir):
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File(file), Buffer(buffer), Directory(dir) {}
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FILE* File;
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YY_BUFFER_STATE Buffer;
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std::string Directory;
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};
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struct cmDependsFortranParser_s
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{
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cmDependsFortranParser_s(cmDependsFortran* self,
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std::set<std::string>& ppDefines,
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cmDependsFortranSourceInfo& info);
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~cmDependsFortranParser_s();
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// Pointer back to the main class.
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cmDependsFortran* Self;
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// Lexical scanner instance.
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yyscan_t Scanner;
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// Stack of open files in the translation unit.
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std::stack<cmDependsFortranFile> FileStack;
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// Buffer for string literals.
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std::string TokenString;
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// Flag for whether lexer is reading from inside an interface.
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bool InInterface;
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int OldStartcond;
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std::set<std::string> PPDefinitions;
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size_t InPPFalseBranch;
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std::stack<bool> SkipToEnd;
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// Information about the parsed source.
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cmDependsFortranSourceInfo& Info;
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};
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//----------------------------------------------------------------------------
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class cmDependsFortranInternals
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{
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public:
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// The set of modules provided by this target.
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std::set<cmStdString> TargetProvides;
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// Map modules required by this target to locations.
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typedef std::map<cmStdString, cmStdString> TargetRequiresMap;
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TargetRequiresMap TargetRequires;
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// Information about each object file.
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typedef std::map<cmStdString, cmDependsFortranSourceInfo> ObjectInfoMap;
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ObjectInfoMap ObjectInfo;
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cmDependsFortranSourceInfo& CreateObjectInfo(const char* obj,
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const char* src)
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{
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std::map<cmStdString, cmDependsFortranSourceInfo>::iterator i =
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this->ObjectInfo.find(obj);
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if(i == this->ObjectInfo.end())
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{
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std::map<cmStdString, cmDependsFortranSourceInfo>::value_type
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entry(obj, cmDependsFortranSourceInfo());
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i = this->ObjectInfo.insert(entry).first;
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i->second.Source = src;
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}
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return i->second;
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}
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};
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//----------------------------------------------------------------------------
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cmDependsFortran::cmDependsFortran():
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PPDefinitions(0), Internal(0)
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{
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}
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//----------------------------------------------------------------------------
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cmDependsFortran
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::cmDependsFortran(cmLocalGenerator* lg):
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cmDepends(lg),
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Internal(new cmDependsFortranInternals)
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{
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// Get the list of definitions.
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std::vector<std::string> definitions;
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cmMakefile* mf = this->LocalGenerator->GetMakefile();
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if(const char* c_defines =
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mf->GetDefinition("CMAKE_TARGET_DEFINITIONS"))
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{
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cmSystemTools::ExpandListArgument(c_defines, definitions);
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}
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// translate i.e. FOO=BAR to FOO and add it to the list of defined
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// preprocessor symbols
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for(std::vector<std::string>::const_iterator
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it = definitions.begin(); it != definitions.end(); ++it)
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{
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std::string def = *it;
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std::string::size_type assignment = def.find("=");
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if(assignment != std::string::npos)
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{
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def = it->substr(0, assignment);
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}
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this->PPDefinitions.push_back(def);
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}
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}
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//----------------------------------------------------------------------------
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cmDependsFortran::~cmDependsFortran()
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{
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delete this->Internal;
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}
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//----------------------------------------------------------------------------
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bool cmDependsFortran::WriteDependencies(const char *src, const char *obj,
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std::ostream&, std::ostream&)
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{
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// Make sure this is a scanning instance.
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if(!src || src[0] == '\0')
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{
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cmSystemTools::Error("Cannot scan dependencies without an source file.");
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return false;
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}
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if(!obj || obj[0] == '\0')
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{
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cmSystemTools::Error("Cannot scan dependencies without an object file.");
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return false;
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}
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// Get the information object for this source.
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cmDependsFortranSourceInfo& info =
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this->Internal->CreateObjectInfo(obj, src);
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// Make a copy of the macros defined via ADD_DEFINITIONS
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std::set<std::string> ppDefines(this->PPDefinitions.begin(),
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this->PPDefinitions.end());
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// Create the parser object. The constructor takes ppMacro and info per
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// reference, so we may look into the resulting objects later.
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cmDependsFortranParser parser(this, ppDefines, info);
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// Push on the starting file.
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cmDependsFortranParser_FilePush(&parser, src);
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// Parse the translation unit.
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if(cmDependsFortran_yyparse(parser.Scanner) != 0)
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{
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// Failed to parse the file. Report failure to write dependencies.
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return false;
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}
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmDependsFortran::Finalize(std::ostream& makeDepends,
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std::ostream& internalDepends)
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{
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// Prepare the module search process.
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this->LocateModules();
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// Get the directory in which stamp files will be stored.
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const char* stamp_dir = this->TargetDirectory.c_str();
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// Get the directory in which module files will be created.
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const char* mod_dir;
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cmMakefile* mf = this->LocalGenerator->GetMakefile();
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if(const char* target_mod_dir =
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mf->GetDefinition("CMAKE_Fortran_TARGET_MODULE_DIR"))
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{
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mod_dir = target_mod_dir;
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}
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else
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{
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mod_dir =
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this->LocalGenerator->GetMakefile()->GetCurrentOutputDirectory();
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}
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// Actually write dependencies to the streams.
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typedef cmDependsFortranInternals::ObjectInfoMap ObjectInfoMap;
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ObjectInfoMap const& objInfo = this->Internal->ObjectInfo;
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for(ObjectInfoMap::const_iterator i = objInfo.begin();
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i != objInfo.end(); ++i)
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{
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if(!this->WriteDependenciesReal(i->first.c_str(), i->second,
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mod_dir, stamp_dir,
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makeDepends, internalDepends))
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{
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return false;
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}
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}
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// Store the list of modules provided by this target.
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std::string fiName = this->TargetDirectory;
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fiName += "/fortran.internal";
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cmGeneratedFileStream fiStream(fiName.c_str());
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fiStream << "# The fortran modules provided by this target.\n";
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fiStream << "provides\n";
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std::set<cmStdString> const& provides = this->Internal->TargetProvides;
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for(std::set<cmStdString>::const_iterator i = provides.begin();
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i != provides.end(); ++i)
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{
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fiStream << " " << *i << "\n";
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}
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// Create a script to clean the modules.
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if(!provides.empty())
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{
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std::string fcName = this->TargetDirectory;
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fcName += "/cmake_clean_Fortran.cmake";
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cmGeneratedFileStream fcStream(fcName.c_str());
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fcStream << "# Remove fortran modules provided by this target.\n";
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fcStream << "FILE(REMOVE";
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for(std::set<cmStdString>::const_iterator i = provides.begin();
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i != provides.end(); ++i)
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{
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std::string mod_upper = mod_dir;
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mod_upper += "/";
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mod_upper += cmSystemTools::UpperCase(*i);
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mod_upper += ".mod";
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std::string mod_lower = mod_dir;
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mod_lower += "/";
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mod_lower += *i;
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mod_lower += ".mod";
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std::string stamp = stamp_dir;
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stamp += "/";
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stamp += *i;
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stamp += ".mod.stamp";
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fcStream << "\n";
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fcStream << " \"" <<
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this->LocalGenerator->Convert(mod_lower.c_str(),
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cmLocalGenerator::START_OUTPUT)
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<< "\"\n";
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fcStream << " \"" <<
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this->LocalGenerator->Convert(mod_upper.c_str(),
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cmLocalGenerator::START_OUTPUT)
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<< "\"\n";
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fcStream << " \"" <<
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this->LocalGenerator->Convert(stamp.c_str(),
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cmLocalGenerator::START_OUTPUT)
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<< "\"\n";
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}
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fcStream << " )\n";
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}
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return true;
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}
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//----------------------------------------------------------------------------
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void cmDependsFortran::LocateModules()
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{
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// Collect the set of modules provided and required by all sources.
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typedef cmDependsFortranInternals::ObjectInfoMap ObjectInfoMap;
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ObjectInfoMap const& objInfo = this->Internal->ObjectInfo;
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for(ObjectInfoMap::const_iterator infoI = objInfo.begin();
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infoI != objInfo.end(); ++infoI)
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{
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cmDependsFortranSourceInfo const& info = infoI->second;
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for(std::set<cmStdString>::const_iterator i = info.Provides.begin();
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i != info.Provides.end(); ++i)
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{
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// Include this module in the set provided by this target.
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this->Internal->TargetProvides.insert(*i);
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}
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for(std::set<cmStdString>::const_iterator i = info.Requires.begin();
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i != info.Requires.end(); ++i)
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{
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// Include this module in the set required by this target.
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this->Internal->TargetRequires[*i] = "";
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}
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}
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// Short-circuit for simple targets.
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if(this->Internal->TargetRequires.empty())
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{
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return;
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}
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// Match modules provided by this target to those it requires.
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this->MatchLocalModules();
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// Load information about other targets.
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cmMakefile* mf = this->LocalGenerator->GetMakefile();
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std::vector<std::string> infoFiles;
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if(const char* infoFilesValue =
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mf->GetDefinition("CMAKE_TARGET_LINKED_INFO_FILES"))
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{
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cmSystemTools::ExpandListArgument(infoFilesValue, infoFiles);
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}
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for(std::vector<std::string>::const_iterator i = infoFiles.begin();
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i != infoFiles.end(); ++i)
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{
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std::string targetDir = cmSystemTools::GetFilenamePath(*i);
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std::string fname = targetDir + "/fortran.internal";
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std::ifstream fin(fname.c_str());
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if(fin)
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{
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this->MatchRemoteModules(fin, targetDir.c_str());
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmDependsFortran::MatchLocalModules()
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{
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const char* stampDir = this->TargetDirectory.c_str();
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std::set<cmStdString> const& provides = this->Internal->TargetProvides;
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for(std::set<cmStdString>::const_iterator i = provides.begin();
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i != provides.end(); ++i)
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{
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this->ConsiderModule(i->c_str(), stampDir);
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}
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}
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//----------------------------------------------------------------------------
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void cmDependsFortran::MatchRemoteModules(std::istream& fin,
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const char* stampDir)
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{
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std::string line;
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bool doing_provides = false;
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while(cmSystemTools::GetLineFromStream(fin, line))
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{
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// Ignore comments and empty lines.
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if(line.empty() || line[0] == '#' || line[0] == '\r')
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{
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continue;
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}
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if(line[0] == ' ')
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{
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if(doing_provides)
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{
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this->ConsiderModule(line.c_str()+1, stampDir);
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}
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}
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else if(line == "provides")
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{
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doing_provides = true;
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}
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else
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{
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doing_provides = false;
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}
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}
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}
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//----------------------------------------------------------------------------
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void cmDependsFortran::ConsiderModule(const char* name,
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const char* stampDir)
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{
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// Locate each required module.
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typedef cmDependsFortranInternals::TargetRequiresMap TargetRequiresMap;
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TargetRequiresMap::iterator required =
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this->Internal->TargetRequires.find(name);
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if(required != this->Internal->TargetRequires.end() &&
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required->second.empty())
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{
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// The module is provided by a CMake target. It will have a stamp file.
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std::string stampFile = stampDir;
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stampFile += "/";
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stampFile += name;
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stampFile += ".mod.stamp";
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required->second = stampFile;
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}
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}
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//----------------------------------------------------------------------------
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bool
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cmDependsFortran
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::WriteDependenciesReal(const char *obj,
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cmDependsFortranSourceInfo const& info,
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const char* mod_dir, const char* stamp_dir,
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std::ostream& makeDepends,
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std::ostream& internalDepends)
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{
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typedef cmDependsFortranInternals::TargetRequiresMap TargetRequiresMap;
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// Get the source file for this object.
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const char* src = info.Source.c_str();
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// Write the include dependencies to the output stream.
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internalDepends << obj << std::endl;
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internalDepends << " " << src << std::endl;
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for(std::set<cmStdString>::const_iterator i = info.Includes.begin();
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i != info.Includes.end(); ++i)
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{
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makeDepends << obj << ": "
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<< cmSystemTools::ConvertToOutputPath(i->c_str()).c_str()
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<< std::endl;
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internalDepends << " " << i->c_str() << std::endl;
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}
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makeDepends << std::endl;
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// Write module requirements to the output stream.
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for(std::set<cmStdString>::const_iterator i = info.Requires.begin();
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i != info.Requires.end(); ++i)
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{
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// Require only modules not provided in the same source.
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if(std::set<cmStdString>::const_iterator(info.Provides.find(*i)) !=
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info.Provides.end())
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{
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continue;
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}
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// If the module is provided in this target special handling is
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// needed.
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if(this->Internal->TargetProvides.find(*i) !=
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this->Internal->TargetProvides.end())
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{
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// The module is provided by a different source in the same
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// target. Add the proxy dependency to make sure the other
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// source builds first.
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std::string proxy = stamp_dir;
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proxy += "/";
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proxy += *i;
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proxy += ".mod.proxy";
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proxy = this->LocalGenerator->Convert(proxy.c_str(),
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cmLocalGenerator::HOME_OUTPUT,
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cmLocalGenerator::MAKEFILE);
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// since we require some things add them to our list of requirements
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makeDepends << obj << ".requires: " << proxy << std::endl;
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}
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|
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// The object file should depend on timestamped files for the
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// modules it uses.
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TargetRequiresMap::const_iterator required =
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this->Internal->TargetRequires.find(*i);
|
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if(required == this->Internal->TargetRequires.end()) { abort(); }
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if(!required->second.empty())
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{
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// This module is known. Depend on its timestamp file.
|
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std::string stampFile =
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this->LocalGenerator->Convert(required->second.c_str(),
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cmLocalGenerator::HOME_OUTPUT,
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cmLocalGenerator::SHELL);
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makeDepends << obj << ": " << stampFile << "\n";
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}
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else
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{
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// This module is not known to CMake. Try to locate it where
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// the compiler will and depend on that.
|
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std::string module;
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if(this->FindModule(*i, module))
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{
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module =
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this->LocalGenerator->Convert(module.c_str(),
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cmLocalGenerator::HOME_OUTPUT,
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cmLocalGenerator::SHELL);
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makeDepends << obj << ": " << module << "\n";
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}
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}
|
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}
|
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|
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// Write provided modules to the output stream.
|
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for(std::set<cmStdString>::const_iterator i = info.Provides.begin();
|
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i != info.Provides.end(); ++i)
|
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{
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std::string proxy = stamp_dir;
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proxy += "/";
|
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proxy += *i;
|
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proxy += ".mod.proxy";
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proxy = this->LocalGenerator->Convert(proxy.c_str(),
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cmLocalGenerator::HOME_OUTPUT,
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cmLocalGenerator::MAKEFILE);
|
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makeDepends << proxy << ": " << obj << ".provides" << std::endl;
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}
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|
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// If any modules are provided then they must be converted to stamp files.
|
|
if(!info.Provides.empty())
|
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{
|
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// Create a target to copy the module after the object file
|
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// changes.
|
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makeDepends << obj << ".provides.build:\n";
|
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for(std::set<cmStdString>::const_iterator i = info.Provides.begin();
|
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i != info.Provides.end(); ++i)
|
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{
|
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// Include this module in the set provided by this target.
|
|
this->Internal->TargetProvides.insert(*i);
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|
|
// Always use lower case for the mod stamp file name. The
|
|
// cmake_copy_f90_mod will call back to this class, which will
|
|
// try various cases for the real mod file name.
|
|
std::string m = cmSystemTools::LowerCase(*i);
|
|
std::string modFile = mod_dir;
|
|
modFile += "/";
|
|
modFile += *i;
|
|
modFile =
|
|
this->LocalGenerator->Convert(modFile.c_str(),
|
|
cmLocalGenerator::HOME_OUTPUT,
|
|
cmLocalGenerator::SHELL);
|
|
std::string stampFile = stamp_dir;
|
|
stampFile += "/";
|
|
stampFile += m;
|
|
stampFile += ".mod.stamp";
|
|
stampFile =
|
|
this->LocalGenerator->Convert(stampFile.c_str(),
|
|
cmLocalGenerator::HOME_OUTPUT,
|
|
cmLocalGenerator::SHELL);
|
|
makeDepends << "\t$(CMAKE_COMMAND) -E cmake_copy_f90_mod "
|
|
<< modFile << " " << stampFile;
|
|
cmMakefile* mf = this->LocalGenerator->GetMakefile();
|
|
const char* cid = mf->GetDefinition("CMAKE_Fortran_COMPILER_ID");
|
|
if(cid && *cid)
|
|
{
|
|
makeDepends << " " << cid;
|
|
}
|
|
makeDepends << "\n";
|
|
}
|
|
// After copying the modules update the timestamp file so that
|
|
// copying will not be done again until the source rebuilds.
|
|
makeDepends << "\t$(CMAKE_COMMAND) -E touch " << obj
|
|
<< ".provides.build\n";
|
|
|
|
// Make sure the module timestamp rule is evaluated by the time
|
|
// the target finishes building.
|
|
std::string driver = this->TargetDirectory;
|
|
driver += "/build";
|
|
driver = this->LocalGenerator->Convert(driver.c_str(),
|
|
cmLocalGenerator::HOME_OUTPUT,
|
|
cmLocalGenerator::MAKEFILE);
|
|
makeDepends << driver << ": " << obj << ".provides.build\n";
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortran::FindModule(std::string const& name,
|
|
std::string& module)
|
|
{
|
|
// Construct possible names for the module file.
|
|
std::string mod_upper = cmSystemTools::UpperCase(name);
|
|
std::string mod_lower = name;
|
|
mod_upper += ".mod";
|
|
mod_lower += ".mod";
|
|
|
|
// Search the include path for the module.
|
|
std::string fullName;
|
|
for(std::vector<std::string>::const_iterator i =
|
|
this->IncludePath.begin(); i != this->IncludePath.end(); ++i)
|
|
{
|
|
// Try the lower-case name.
|
|
fullName = *i;
|
|
fullName += "/";
|
|
fullName += mod_lower;
|
|
if(cmSystemTools::FileExists(fullName.c_str(), true))
|
|
{
|
|
module = fullName;
|
|
return true;
|
|
}
|
|
|
|
// Try the upper-case name.
|
|
fullName = *i;
|
|
fullName += "/";
|
|
fullName += mod_upper;
|
|
if(cmSystemTools::FileExists(fullName.c_str(), true))
|
|
{
|
|
module = fullName;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortran::CopyModule(const std::vector<std::string>& args)
|
|
{
|
|
// Implements
|
|
//
|
|
// $(CMAKE_COMMAND) -E cmake_copy_f90_mod input.mod output.mod.stamp
|
|
// [compiler-id]
|
|
//
|
|
// Note that the case of the .mod file depends on the compiler. In
|
|
// the future this copy could also account for the fact that some
|
|
// compilers include a timestamp in the .mod file so it changes even
|
|
// when the interface described in the module does not.
|
|
|
|
std::string mod = args[2];
|
|
std::string stamp = args[3];
|
|
std::string compilerId;
|
|
if(args.size() >= 5)
|
|
{
|
|
compilerId = args[4];
|
|
}
|
|
std::string mod_dir = cmSystemTools::GetFilenamePath(mod);
|
|
if(!mod_dir.empty()) { mod_dir += "/"; }
|
|
std::string mod_upper = mod_dir;
|
|
mod_upper += cmSystemTools::UpperCase(cmSystemTools::GetFilenameName(mod));
|
|
std::string mod_lower = mod_dir;
|
|
mod_lower += cmSystemTools::LowerCase(cmSystemTools::GetFilenameName(mod));
|
|
mod += ".mod";
|
|
mod_upper += ".mod";
|
|
mod_lower += ".mod";
|
|
if(cmSystemTools::FileExists(mod_upper.c_str(), true))
|
|
{
|
|
if(cmDependsFortran::ModulesDiffer(mod_upper.c_str(), stamp.c_str(),
|
|
compilerId.c_str()))
|
|
{
|
|
if(!cmSystemTools::CopyFileAlways(mod_upper.c_str(), stamp.c_str()))
|
|
{
|
|
std::cerr << "Error copying Fortran module from \""
|
|
<< mod_upper.c_str() << "\" to \"" << stamp.c_str()
|
|
<< "\".\n";
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
else if(cmSystemTools::FileExists(mod_lower.c_str(), true))
|
|
{
|
|
if(cmDependsFortran::ModulesDiffer(mod_lower.c_str(), stamp.c_str(),
|
|
compilerId.c_str()))
|
|
{
|
|
if(!cmSystemTools::CopyFileAlways(mod_lower.c_str(), stamp.c_str()))
|
|
{
|
|
std::cerr << "Error copying Fortran module from \""
|
|
<< mod_lower.c_str() << "\" to \"" << stamp.c_str()
|
|
<< "\".\n";
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
std::cerr << "Error copying Fortran module \"" << args[2].c_str()
|
|
<< "\". Tried \"" << mod_upper.c_str()
|
|
<< "\" and \"" << mod_lower.c_str() << "\".\n";
|
|
return false;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Helper function to look for a short sequence in a stream. If this
|
|
// is later used for longer sequences it should be re-written using an
|
|
// efficient string search algorithm such as Boyer-Moore.
|
|
static
|
|
bool cmDependsFortranStreamContainsSequence(std::ifstream& ifs,
|
|
const char* seq, int len)
|
|
{
|
|
assert(len > 0);
|
|
|
|
int cur = 0;
|
|
while(cur < len)
|
|
{
|
|
// Get the next character.
|
|
int token = ifs.get();
|
|
if(!ifs)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// Check the character.
|
|
if(token == static_cast<int>(seq[cur]))
|
|
{
|
|
++cur;
|
|
}
|
|
else
|
|
{
|
|
// Assume the sequence has no repeating subsequence.
|
|
cur = 0;
|
|
}
|
|
}
|
|
|
|
// The entire sequence was matched.
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
// Helper function to compare the remaining content in two streams.
|
|
static bool cmDependsFortranStreamsDiffer(std::ifstream& ifs1,
|
|
std::ifstream& ifs2)
|
|
{
|
|
// Compare the remaining content.
|
|
for(;;)
|
|
{
|
|
int ifs1_c = ifs1.get();
|
|
int ifs2_c = ifs2.get();
|
|
if(!ifs1 && !ifs2)
|
|
{
|
|
// We have reached the end of both streams simultaneously.
|
|
// The streams are identical.
|
|
return false;
|
|
}
|
|
|
|
if(!ifs1 || !ifs2 || ifs1_c != ifs2_c)
|
|
{
|
|
// We have reached the end of one stream before the other or
|
|
// found differing content. The streams are different.
|
|
break;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortran::ModulesDiffer(const char* modFile,
|
|
const char* stampFile,
|
|
const char* compilerId)
|
|
{
|
|
/*
|
|
gnu:
|
|
A mod file is an ascii file.
|
|
<bar.mod>
|
|
FORTRAN module created from /path/to/foo.f90 on Sun Dec 30 22:47:58 2007
|
|
If you edit this, you'll get what you deserve.
|
|
...
|
|
</bar.mod>
|
|
As you can see the first line contains the date.
|
|
|
|
intel:
|
|
A mod file is a binary file.
|
|
However, looking into both generated bar.mod files with a hex editor
|
|
shows that they differ only before a sequence linefeed-zero (0x0A 0x00)
|
|
which is located some bytes in front of the absoulte path to the source
|
|
file.
|
|
|
|
sun:
|
|
A mod file is a binary file. Compiling twice produces identical modules.
|
|
|
|
others:
|
|
TODO ...
|
|
*/
|
|
|
|
|
|
/* Compilers which do _not_ produce different mod content when the same
|
|
* source is compiled twice
|
|
* -SunPro
|
|
*/
|
|
if(strcmp(compilerId, "SunPro") == 0)
|
|
{
|
|
return cmSystemTools::FilesDiffer(modFile, stampFile);
|
|
}
|
|
|
|
#if defined(_WIN32) || defined(__CYGWIN__)
|
|
std::ifstream finModFile(modFile, std::ios::in | std::ios::binary);
|
|
std::ifstream finStampFile(stampFile, std::ios::in | std::ios::binary);
|
|
#else
|
|
std::ifstream finModFile(modFile, std::ios::in);
|
|
std::ifstream finStampFile(stampFile, std::ios::in);
|
|
#endif
|
|
if(!finModFile || !finStampFile)
|
|
{
|
|
// At least one of the files does not exist. The modules differ.
|
|
return true;
|
|
}
|
|
|
|
/* Compilers which _do_ produce different mod content when the same
|
|
* source is compiled twice
|
|
* -GNU
|
|
* -Intel
|
|
*
|
|
* Eat the stream content until all recompile only realated changes
|
|
* are left bedind.
|
|
*/
|
|
if (strcmp(compilerId, "GNU") == 0 )
|
|
{
|
|
const char seq[1] = {'\n'};
|
|
const int seqlen = 1;
|
|
|
|
if(!cmDependsFortranStreamContainsSequence(finModFile, seq, seqlen))
|
|
{
|
|
// The module is of unexpected format. Assume it is different.
|
|
std::cerr << compilerId << " fortran module " << modFile
|
|
<< " has unexpected format." << std::endl;
|
|
return true;
|
|
}
|
|
|
|
if(!cmDependsFortranStreamContainsSequence(finStampFile, seq, seqlen))
|
|
{
|
|
// The stamp must differ if the sequence is not contained.
|
|
return true;
|
|
}
|
|
}
|
|
else if(strcmp(compilerId, "Intel") == 0)
|
|
{
|
|
const char seq[2] = {'\n', '\0'};
|
|
const int seqlen = 2;
|
|
|
|
if(!cmDependsFortranStreamContainsSequence(finModFile, seq, seqlen))
|
|
{
|
|
// The module is of unexpected format. Assume it is different.
|
|
std::cerr << compilerId << " fortran module " << modFile
|
|
<< " has unexpected format." << std::endl;
|
|
return true;
|
|
}
|
|
|
|
if(!cmDependsFortranStreamContainsSequence(finStampFile, seq, seqlen))
|
|
{
|
|
// The stamp must differ if the sequence is not contained.
|
|
return true;
|
|
}
|
|
}
|
|
|
|
// Compare the remainng content. If no compiler id matched above,
|
|
// including the case none was given, this will compare the whole
|
|
// content.
|
|
if(!cmDependsFortranStreamsDiffer(finModFile, finStampFile))
|
|
{
|
|
return false;
|
|
}
|
|
|
|
// The modules are different.
|
|
return true;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortran::FindIncludeFile(const char* dir,
|
|
const char* includeName,
|
|
std::string& fileName)
|
|
{
|
|
// If the file is a full path, include it directly.
|
|
if(cmSystemTools::FileIsFullPath(includeName))
|
|
{
|
|
fileName = includeName;
|
|
return cmSystemTools::FileExists(fileName.c_str(), true);
|
|
}
|
|
else
|
|
{
|
|
// Check for the file in the directory containing the including
|
|
// file.
|
|
std::string fullName = dir;
|
|
fullName += "/";
|
|
fullName += includeName;
|
|
if(cmSystemTools::FileExists(fullName.c_str(), true))
|
|
{
|
|
fileName = fullName;
|
|
return true;
|
|
}
|
|
|
|
// Search the include path for the file.
|
|
for(std::vector<std::string>::const_iterator i =
|
|
this->IncludePath.begin(); i != this->IncludePath.end(); ++i)
|
|
{
|
|
fullName = *i;
|
|
fullName += "/";
|
|
fullName += includeName;
|
|
if(cmSystemTools::FileExists(fullName.c_str(), true))
|
|
{
|
|
fileName = fullName;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmDependsFortranParser_s
|
|
::cmDependsFortranParser_s(cmDependsFortran* self,
|
|
std::set<std::string>& ppDefines,
|
|
cmDependsFortranSourceInfo& info):
|
|
Self(self), PPDefinitions(ppDefines), Info(info)
|
|
{
|
|
this->InInterface = 0;
|
|
this->InPPFalseBranch = 0;
|
|
|
|
// Initialize the lexical scanner.
|
|
cmDependsFortran_yylex_init(&this->Scanner);
|
|
cmDependsFortran_yyset_extra(this, this->Scanner);
|
|
|
|
// Create a dummy buffer that is never read but is the fallback
|
|
// buffer when the last file is popped off the stack.
|
|
YY_BUFFER_STATE buffer =
|
|
cmDependsFortran_yy_create_buffer(0, 4, this->Scanner);
|
|
cmDependsFortran_yy_switch_to_buffer(buffer, this->Scanner);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
cmDependsFortranParser_s::~cmDependsFortranParser_s()
|
|
{
|
|
cmDependsFortran_yylex_destroy(this->Scanner);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortranParser_FilePush(cmDependsFortranParser* parser,
|
|
const char* fname)
|
|
{
|
|
// Open the new file and push it onto the stack. Save the old
|
|
// buffer with it on the stack.
|
|
if(FILE* file = fopen(fname, "rb"))
|
|
{
|
|
YY_BUFFER_STATE current =
|
|
cmDependsFortranLexer_GetCurrentBuffer(parser->Scanner);
|
|
std::string dir = cmSystemTools::GetParentDirectory(fname);
|
|
cmDependsFortranFile f(file, current, dir);
|
|
YY_BUFFER_STATE buffer =
|
|
cmDependsFortran_yy_create_buffer(0, 16384, parser->Scanner);
|
|
cmDependsFortran_yy_switch_to_buffer(buffer, parser->Scanner);
|
|
parser->FileStack.push(f);
|
|
return 1;
|
|
}
|
|
else
|
|
{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortranParser_FilePop(cmDependsFortranParser* parser)
|
|
{
|
|
// Pop one file off the stack and close it. Switch the lexer back
|
|
// to the next one on the stack.
|
|
if(parser->FileStack.empty())
|
|
{
|
|
return 0;
|
|
}
|
|
else
|
|
{
|
|
cmDependsFortranFile f = parser->FileStack.top(); parser->FileStack.pop();
|
|
fclose(f.File);
|
|
YY_BUFFER_STATE current =
|
|
cmDependsFortranLexer_GetCurrentBuffer(parser->Scanner);
|
|
cmDependsFortran_yy_delete_buffer(current, parser->Scanner);
|
|
cmDependsFortran_yy_switch_to_buffer(f.Buffer, parser->Scanner);
|
|
return 1;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
int cmDependsFortranParser_Input(cmDependsFortranParser* parser,
|
|
char* buffer, size_t bufferSize)
|
|
{
|
|
// Read from the file on top of the stack. If the stack is empty,
|
|
// the end of the translation unit has been reached.
|
|
if(!parser->FileStack.empty())
|
|
{
|
|
FILE* file = parser->FileStack.top().File;
|
|
return (int)fread(buffer, 1, bufferSize, file);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_StringStart(cmDependsFortranParser* parser)
|
|
{
|
|
parser->TokenString = "";
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
const char* cmDependsFortranParser_StringEnd(cmDependsFortranParser* parser)
|
|
{
|
|
return parser->TokenString.c_str();
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_StringAppend(cmDependsFortranParser* parser,
|
|
char c)
|
|
{
|
|
parser->TokenString += c;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_SetInInterface(cmDependsFortranParser* parser,
|
|
bool in)
|
|
{
|
|
if(parser->InPPFalseBranch)
|
|
{
|
|
return;
|
|
}
|
|
|
|
parser->InInterface = in;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
bool cmDependsFortranParser_GetInInterface(cmDependsFortranParser* parser)
|
|
{
|
|
return parser->InInterface;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_SetOldStartcond(cmDependsFortranParser* parser,
|
|
int arg)
|
|
{
|
|
parser->OldStartcond = arg;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
int cmDependsFortranParser_GetOldStartcond(cmDependsFortranParser* parser)
|
|
{
|
|
return parser->OldStartcond;
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_Error(cmDependsFortranParser*, const char*)
|
|
{
|
|
// If there is a parser error just ignore it. The source will not
|
|
// compile and the user will edit it. Then dependencies will have
|
|
// to be regenerated anyway.
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleUse(cmDependsFortranParser* parser,
|
|
const char* name)
|
|
{
|
|
if(!parser->InPPFalseBranch)
|
|
{
|
|
parser->Info.Requires.insert(cmSystemTools::LowerCase(name) );
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleInclude(cmDependsFortranParser* parser,
|
|
const char* name)
|
|
{
|
|
if(parser->InPPFalseBranch)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// If processing an include statement there must be an open file.
|
|
assert(!parser->FileStack.empty());
|
|
|
|
// Get the directory containing the source in which the include
|
|
// statement appears. This is always the first search location for
|
|
// Fortran include files.
|
|
std::string dir = parser->FileStack.top().Directory;
|
|
|
|
// Find the included file. If it cannot be found just ignore the
|
|
// problem because either the source will not compile or the user
|
|
// does not care about depending on this included source.
|
|
std::string fullName;
|
|
if(parser->Self->FindIncludeFile(dir.c_str(), name, fullName))
|
|
{
|
|
// Found the included file. Save it in the set of included files.
|
|
parser->Info.Includes.insert(fullName);
|
|
|
|
// Parse it immediately to translate the source inline.
|
|
cmDependsFortranParser_FilePush(parser, fullName.c_str());
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleModule(cmDependsFortranParser* parser,
|
|
const char* name)
|
|
{
|
|
if(!parser->InPPFalseBranch && !parser->InInterface)
|
|
{
|
|
parser->Info.Provides.insert(cmSystemTools::LowerCase(name));
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleDefine(cmDependsFortranParser* parser,
|
|
const char* macro)
|
|
{
|
|
if(!parser->InPPFalseBranch)
|
|
{
|
|
parser->PPDefinitions.insert(macro);
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleUndef(cmDependsFortranParser* parser,
|
|
const char* macro)
|
|
{
|
|
if(!parser->InPPFalseBranch)
|
|
{
|
|
std::set<std::string>::iterator match;
|
|
match = parser->PPDefinitions.find(macro);
|
|
if(match != parser->PPDefinitions.end())
|
|
{
|
|
parser->PPDefinitions.erase(match);
|
|
}
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleIfdef(cmDependsFortranParser* parser,
|
|
const char* macro)
|
|
{
|
|
// A new PP branch has been opened
|
|
parser->SkipToEnd.push(false);
|
|
|
|
if (parser->InPPFalseBranch)
|
|
{
|
|
parser->InPPFalseBranch++;
|
|
}
|
|
else if(parser->PPDefinitions.find(macro) == parser->PPDefinitions.end())
|
|
{
|
|
parser->InPPFalseBranch=1;
|
|
}
|
|
else
|
|
{
|
|
parser->SkipToEnd.top() = true;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleIfndef(cmDependsFortranParser* parser,
|
|
const char* macro)
|
|
{
|
|
// A new PP branch has been opened
|
|
parser->SkipToEnd.push(false);
|
|
|
|
if (parser->InPPFalseBranch)
|
|
{
|
|
parser->InPPFalseBranch++;
|
|
}
|
|
else if(parser->PPDefinitions.find(macro) != parser->PPDefinitions.end())
|
|
{
|
|
parser->InPPFalseBranch = 1;
|
|
}
|
|
else
|
|
{
|
|
// ignore other branches
|
|
parser->SkipToEnd.top() = true;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleIf(cmDependsFortranParser* parser)
|
|
{
|
|
/* Note: The current parser is _not_ able to get statements like
|
|
* #if 0
|
|
* #if 1
|
|
* #if MYSMBOL
|
|
* #if defined(MYSYMBOL)
|
|
* #if defined(MYSYMBOL) && ...
|
|
* right. The same for #elif. Thus in
|
|
* #if SYMBOL_1
|
|
* ..
|
|
* #elif SYMBOL_2
|
|
* ...
|
|
* ...
|
|
* #elif SYMBOL_N
|
|
* ..
|
|
* #else
|
|
* ..
|
|
* #endif
|
|
* _all_ N+1 branches are considered. If you got something like this
|
|
* #if defined(MYSYMBOL)
|
|
* #if !defined(MYSYMBOL)
|
|
* use
|
|
* #ifdef MYSYMBOL
|
|
* #ifndef MYSYMBOL
|
|
* instead.
|
|
*/
|
|
|
|
// A new PP branch has been opened
|
|
// Never skip! See note above.
|
|
parser->SkipToEnd.push(false);
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleElif(cmDependsFortranParser* parser)
|
|
{
|
|
/* Note: There are parser limitations. See the note at
|
|
* cmDependsFortranParser_RuleIf(..)
|
|
*/
|
|
|
|
// Allways taken unless an #ifdef or #ifndef-branch has been taken
|
|
// already. If the second condition isn't meet already
|
|
// (parser->InPPFalseBranch == 0) correct it.
|
|
if(!parser->SkipToEnd.empty() &&
|
|
parser->SkipToEnd.top() && !parser->InPPFalseBranch)
|
|
{
|
|
parser->InPPFalseBranch = 1;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleElse(cmDependsFortranParser* parser)
|
|
{
|
|
// if the parent branch is false do nothing!
|
|
if(parser->InPPFalseBranch > 1)
|
|
{
|
|
return;
|
|
}
|
|
|
|
// parser->InPPFalseBranch is either 0 or 1. We change it denpending on
|
|
// parser->SkipToEnd.top()
|
|
if(!parser->SkipToEnd.empty() &&
|
|
parser->SkipToEnd.top())
|
|
{
|
|
parser->InPPFalseBranch = 1;
|
|
}
|
|
else
|
|
{
|
|
parser->InPPFalseBranch = 0;
|
|
}
|
|
}
|
|
|
|
//----------------------------------------------------------------------------
|
|
void cmDependsFortranParser_RuleEndif(cmDependsFortranParser* parser)
|
|
{
|
|
if(!parser->SkipToEnd.empty())
|
|
{
|
|
parser->SkipToEnd.pop();
|
|
}
|
|
|
|
// #endif doesn't know if there was a "#else" in before, so it
|
|
// always decreases InPPFalseBranch
|
|
if(parser->InPPFalseBranch)
|
|
{
|
|
parser->InPPFalseBranch--;
|
|
}
|
|
}
|