2005-01-26 23:33:38 +03:00
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/*=========================================================================
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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 "cmDependsFortranParser.h" /* Interface to parser object. */
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2005-01-27 00:09:48 +03:00
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#include <assert.h>
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2005-01-26 23:33:38 +03:00
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#include <stack>
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2005-03-02 17:02:36 +03:00
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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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2005-01-26 23:33:38 +03:00
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//----------------------------------------------------------------------------
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// Parser methods not included in generated interface.
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2005-02-01 18:42:52 +03:00
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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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2005-01-26 23:33:38 +03:00
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2005-02-01 18:42:52 +03:00
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//----------------------------------------------------------------------------
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2005-01-26 23:33:38 +03:00
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// Define parser object internal structure.
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struct cmDependsFortranFile
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{
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2005-01-27 00:09:48 +03:00
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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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2005-01-26 23:33:38 +03:00
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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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~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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int InInterface;
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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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2005-05-11 21:16:45 +04:00
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cmDependsFortran::cmDependsFortran():
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2005-01-26 23:33:38 +03:00
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m_SourceFile(),
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m_IncludePath(0)
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{
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}
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//----------------------------------------------------------------------------
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2005-05-11 21:16:45 +04:00
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cmDependsFortran::cmDependsFortran(const char* sourceFile,
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std::vector<std::string> const& includes):
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m_SourceFile(sourceFile),
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m_IncludePath(&includes)
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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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}
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//----------------------------------------------------------------------------
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bool cmDependsFortran::WriteDependencies(std::ostream& os)
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{
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// Make sure this is a scanning instance.
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if(m_SourceFile == "")
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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(!m_IncludePath)
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{
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cmSystemTools::Error("Cannot scan dependencies without an include path.");
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return false;
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}
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// Create the parser object.
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cmDependsFortranParser parser(this);
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// Push on the starting file.
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cmDependsFortranParser_FilePush(&parser, m_SourceFile.c_str());
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// Parse the translation unit.
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2005-01-26 23:45:59 +03:00
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if(cmDependsFortran_yyparse(parser.Scanner) != 0)
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2005-01-26 23:33:38 +03:00
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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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2005-01-28 18:45:00 +03:00
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// Write the include dependencies to the output stream.
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for(std::set<cmStdString>::const_iterator i = parser.Includes.begin();
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i != parser.Includes.end(); ++i)
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2005-01-26 23:33:38 +03:00
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{
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os << m_TargetFile.c_str() << ": "
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<< cmSystemTools::ConvertToOutputPath(i->c_str()).c_str()
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<< std::endl;
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}
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os << std::endl;
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2005-01-28 18:45:00 +03:00
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// Write module requirements to the output stream.
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for(std::set<cmStdString>::const_iterator i = parser.Requires.begin();
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i != parser.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(parser.Provides.find(*i) == parser.Provides.end())
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{
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2005-03-04 00:53:33 +03:00
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// Always use lower case for the mod stamp file name.
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2005-03-01 21:36:07 +03:00
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std::string m = cmSystemTools::LowerCase(*i);
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os << m_TargetFile.c_str() << ": " << m.c_str() << ".mod.stamp"
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2005-01-28 18:45:00 +03:00
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<< std::endl;
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os << m_TargetFile.c_str() << ".requires: " << i->c_str() << ".mod.proxy"
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<< std::endl;
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os << i->c_str() << ".mod.proxy:" << std::endl;
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std::string stampName = m_Directory;
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stampName += "/";
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2005-03-01 21:36:07 +03:00
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stampName += m;
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2005-01-28 18:45:00 +03:00
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stampName += ".mod.stamp";
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if(!cmSystemTools::FileExists(stampName.c_str()))
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{
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std::ofstream stamp(stampName.c_str());
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stamp << "# Dummy stamp file in case nothing provides it."
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<< std::endl;
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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 = parser.Provides.begin();
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i != parser.Provides.end(); ++i)
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{
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os << i->c_str() << ".mod.proxy: " << m_TargetFile.c_str()
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<< ".requires" << std::endl;
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}
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// If any modules are provided then they must be converted to stamp files.
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if(!parser.Provides.empty())
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{
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os << m_TargetFile.c_str() << ".provides:\n";
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for(std::set<cmStdString>::const_iterator i = parser.Provides.begin();
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i != parser.Provides.end(); ++i)
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{
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2005-03-04 00:53:33 +03:00
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// Always use lower case for the mod stamp file name. The
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// cmake_copy_f90_mod will call back to this class, which will
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// try various cases for the real mod file name.
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2005-03-01 21:36:07 +03:00
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std::string m = cmSystemTools::LowerCase(*i);
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2005-03-04 00:53:33 +03:00
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os << "\t$(CMAKE_COMMAND) -E cmake_copy_f90_mod "
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<< i->c_str() << " " << m.c_str() << ".mod.stamp\n";
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2005-01-28 18:45:00 +03:00
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}
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os << "\t@touch " << m_TargetFile.c_str() << ".provides\n";
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}
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/*
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// TODO:
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What about .mod files provided in another directory and found with a
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-M search path? The stamp file will not be updated, so things might
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not rebuild. Possible solutions (not all thought through):
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Solution 1: Have all the .o.requires in a directory depend on a
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single .outside.requires that searches for .mod files in another
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directory of the build tree and uses copy-if-different to produce
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the local directory's stamp files. (won't work because the single
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rule cannot know about the modules)
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Solution 2: When the dependency is detected search the module
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include path for a mark file indicating the module is provided. If
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not found just write the dummy stamp file. If found, we need a rule
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to copy-if-different the module file. When a module is provided,
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write this mark file.
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Solution 3: Use a set of make rules like this:
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# When required:
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foo.mod.proxy: foo.mod.default
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foo.mod.default:: foo.mod.hack
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@echo foo.mod.default2 # Search for and copy-if-different the mod file.
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foo.mod.hack:
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# When provided:
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foo.mod.proxy: foo.o.requires
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@rm -f foo.mod.hack foo.mod.default
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foo.o.requires: foo.mod.hack
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@echo foo.o.requires
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foo.mod.hack:
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@touch foo.mod.hack
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@touch foo.mod.default
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2005-01-28 20:01:26 +03:00
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Solution 4:
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When scanning dependencies and providing a module:
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- Create a .mod.provided.
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- Add .mod.proxy rule depending on corresponding .o.requires.
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When scanning dependencies and requiring a module:
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- Search the module path for a .mod.provided or a .mod.
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- If a .mod.provided is found depend on the corresponding .mod.stamp
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(it is provided by CMake in another directory)
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- Else, if a .mod is found depend on it directly
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(it is provided in another directory by a non-CMake project)
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- Else:
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- Add the empty proxy rule (if it is provided locally this will hook it)
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- Depend on a local .mod.stamp (it might be provided locally)
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- Create the dummy local .mod.stamp (it might not be provided locally)
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2005-01-28 18:45:00 +03:00
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*/
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2005-01-26 23:33:38 +03:00
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return true;
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}
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//----------------------------------------------------------------------------
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bool cmDependsFortran::CheckDependencies(std::istream&)
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{
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2005-02-15 17:02:45 +03:00
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// TODO: Parse and check dependencies.
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2005-01-26 23:33:38 +03:00
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return true;
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}
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2005-03-04 00:53:33 +03:00
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//----------------------------------------------------------------------------
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bool cmDependsFortran::CopyModule(const std::vector<std::string>& args)
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{
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// Implements
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//
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// $(CMAKE_COMMAND) -E cmake_copy_f90_mod input.mod output.mod.stamp
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//
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// Note that the case of the .mod file depends on the compiler. In
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// the future this copy could also account for the fact that some
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// compilers include a timestamp in the .mod file so it changes even
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// when the interface described in the module does not.
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std::string mod = args[2];
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std::string stamp = args[3];
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std::string mod_upper = cmSystemTools::UpperCase(mod.c_str());
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std::string mod_lower = cmSystemTools::LowerCase(mod.c_str());
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2005-03-07 23:19:18 +03:00
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mod += ".mod";
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mod_upper += ".mod";
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mod_lower += ".mod";
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2005-03-04 00:53:33 +03:00
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if(cmSystemTools::FileExists(mod_upper.c_str()))
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{
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if(!cmSystemTools::CopyFileIfDifferent(mod_upper.c_str(), stamp.c_str()))
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{
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std::cerr << "Error copying Fortran module from \""
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<< mod_upper.c_str() << "\" to \"" << stamp.c_str()
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<< "\".\n";
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return false;
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}
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return true;
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}
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else if(cmSystemTools::FileExists(mod_lower.c_str()))
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{
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if(!cmSystemTools::CopyFileIfDifferent(mod_lower.c_str(), stamp.c_str()))
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{
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std::cerr << "Error copying Fortran module from \""
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<< mod_lower.c_str() << "\" to \"" << stamp.c_str()
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<< "\".\n";
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return false;
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}
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return true;
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}
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std::cerr << "Error copying Fortran module \"" << args[2].c_str()
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<< "\". Tried \"" << mod_upper.c_str()
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<< "\" and \"" << mod_lower.c_str() << "\".\n";
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return false;
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}
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2005-01-26 23:33:38 +03:00
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//----------------------------------------------------------------------------
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bool cmDependsFortran::FindIncludeFile(const char* dir,
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const char* includeName,
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std::string& fileName)
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{
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// If the file is a full path, include it directly.
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if(cmSystemTools::FileIsFullPath(includeName))
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{
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fileName = includeName;
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return cmSystemTools::FileExists(fileName.c_str());
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}
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else
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{
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// Check for the file in the directory containing the including
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// file.
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std::string fullName = dir;
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fullName += "/";
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fullName += includeName;
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if(cmSystemTools::FileExists(fullName.c_str()))
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{
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fileName = fullName;
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return true;
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}
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// Search the include path for the file.
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for(std::vector<std::string>::const_iterator i = m_IncludePath->begin();
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i != m_IncludePath->end(); ++i)
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{
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fullName = *i;
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fullName += "/";
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fullName += includeName;
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if(cmSystemTools::FileExists(fullName.c_str()))
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{
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fileName = fullName;
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return true;
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}
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}
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}
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return false;
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}
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//----------------------------------------------------------------------------
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cmDependsFortranParser_s::cmDependsFortranParser_s(cmDependsFortran* self):
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Self(self)
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{
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this->InInterface = 0;
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// Initialize the lexical scanner.
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2005-01-26 23:45:59 +03:00
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cmDependsFortran_yylex_init(&this->Scanner);
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cmDependsFortran_yyset_extra(this, this->Scanner);
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2005-01-26 23:33:38 +03:00
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// Create a dummy buffer that is never read but is the fallback
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|
|
|
// buffer when the last file is popped off the stack.
|
|
|
|
YY_BUFFER_STATE buffer =
|
2005-01-26 23:45:59 +03:00
|
|
|
cmDependsFortran_yy_create_buffer(0, 4, this->Scanner);
|
|
|
|
cmDependsFortran_yy_switch_to_buffer(buffer, this->Scanner);
|
2005-01-26 23:33:38 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
cmDependsFortranParser_s::~cmDependsFortranParser_s()
|
|
|
|
{
|
2005-01-26 23:45:59 +03:00
|
|
|
cmDependsFortran_yylex_destroy(this->Scanner);
|
2005-01-26 23:33:38 +03:00
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
int 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);
|
2005-01-27 00:09:48 +03:00
|
|
|
cmDependsFortranFile f(file, current, dir);
|
2005-01-26 23:33:38 +03:00
|
|
|
YY_BUFFER_STATE buffer =
|
2005-01-26 23:45:59 +03:00
|
|
|
cmDependsFortran_yy_create_buffer(0, 16384, parser->Scanner);
|
|
|
|
cmDependsFortran_yy_switch_to_buffer(buffer, parser->Scanner);
|
2005-01-26 23:33:38 +03:00
|
|
|
parser->FileStack.push(f);
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
else
|
|
|
|
{
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
int 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);
|
2005-01-26 23:45:59 +03:00
|
|
|
cmDependsFortran_yy_delete_buffer(current, parser->Scanner);
|
|
|
|
cmDependsFortran_yy_switch_to_buffer(f.Buffer, parser->Scanner);
|
2005-01-26 23:33:38 +03:00
|
|
|
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,
|
|
|
|
int in)
|
|
|
|
{
|
|
|
|
parser->InInterface = in;
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
int cmDependsFortranParser_GetInInterface(cmDependsFortranParser* parser)
|
|
|
|
{
|
|
|
|
return parser->InInterface;
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
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)
|
|
|
|
{
|
|
|
|
parser->Requires.insert(name);
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleInclude(cmDependsFortranParser* parser,
|
|
|
|
const char* name)
|
|
|
|
{
|
|
|
|
// 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->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)
|
|
|
|
{
|
|
|
|
parser->Provides.insert(name);
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleDefine(cmDependsFortranParser*, const char*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleUndef(cmDependsFortranParser*, const char*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleIfdef(cmDependsFortranParser*, const char*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleIfndef(cmDependsFortranParser*, const char*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleIf(cmDependsFortranParser*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleElif(cmDependsFortranParser*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleElse(cmDependsFortranParser*)
|
|
|
|
{
|
|
|
|
}
|
|
|
|
|
|
|
|
//----------------------------------------------------------------------------
|
|
|
|
void cmDependsFortranParser_RuleEndif(cmDependsFortranParser*)
|
|
|
|
{
|
|
|
|
}
|