build.cxx

移植到WLIT项目的redboot源代码

    cdlbuildloadablebody_cookie = CdlBuildLoadableBody_Invalid;
    CYGDBG_MEMLEAK_DESTRUCTOR();
    
    CYG_REPORT_RETURN();
}

// ----------------------------------------------------------------------------

std::string
CdlBuildLoadableBody::get_class_name() const
{
    CYG_REPORT_FUNCNAME("CdlBuildLoadable::get_class_name");
    CYG_PRECONDITION_THISC();
    CYG_REPORT_RETURN();
    return "build_loadable";
}

// ----------------------------------------------------------------------------

bool
CdlBuildLoadableBody::check_this(cyg_assert_class_zeal zeal) const
{
    if (CdlBuildLoadableBody_Magic != cdlbuildloadablebody_cookie) {
        return false;
    }
    CYGDBG_MEMLEAK_CHECKTHIS();
    return CdlContainerBody::check_this(zeal) && CdlNodeBody::check_this(zeal);
}

//}}}
//{{{  Property parsers                         

// ----------------------------------------------------------------------------

void
CdlBuildLoadableBody::add_property_parsers(std::vector<CdlInterpreterCommandEntry>& parsers)
{
    CYG_REPORT_FUNCNAME("CdlBuildLoadable::add_property_parsers");

    static CdlInterpreterCommandEntry commands[] =
    {
        CdlInterpreterCommandEntry("library",            &CdlBuildLoadableBody::parse_library       ),
        CdlInterpreterCommandEntry("makefile",           &CdlBuildLoadableBody::parse_makefile      ),
        CdlInterpreterCommandEntry("include_dir",        &CdlBuildLoadableBody::parse_include_dir   ),
        CdlInterpreterCommandEntry("include_files",      &CdlBuildLoadableBody::parse_include_files ),
        CdlInterpreterCommandEntry("",                   0                                          )
    };

    for (int i = 0; commands[i].command != 0; i++) {
        std::vector<CdlInterpreterCommandEntry>::const_iterator j;
        for (j = parsers.begin(); j != parsers.end(); j++) {
            if (commands[i].name == j->name) {
                if (commands[i].command != j->command) {
                    CYG_FAIL("Property names are being re-used");
                }
                break;
            }
        }
        if (j == parsers.end()) {
            parsers.push_back(commands[i]);
        }
    }
    
    CYG_REPORT_RETURN();
}

void
CdlBuildLoadableBody::check_properties(CdlInterpreter interp)
{
    CYG_REPORT_FUNCNAME("CdlBuildLoadable::check_properties");
    CYG_REPORT_FUNCARG2XV(this, interp);
    CYG_PRECONDITION_THISC();
    CYG_PRECONDITION_CLASSC(interp);

    CdlNodeBody::check_properties(interp);
    
    CYG_REPORT_RETURN();
}

// ----------------------------------------------------------------------------
// syntax: library <filename>
//
// NOTE: there should probably be a check that the library name is in
// a valid format, i.e. libxxx.a

int
CdlBuildLoadableBody::parse_library(CdlInterpreter interp, int argc, char** argv)
{
    CYG_REPORT_FUNCNAMETYPE("parse_library", "result %d");

    int result = CdlParse::parse_string_property(interp, argc, argv, CdlPropertyId_Library, 0, 0);
    
    CYG_REPORT_RETVAL(result);
    return result;
}

// ----------------------------------------------------------------------------
// syntax: makefile <filename>
//
// NOTE: possibly there should be a check that the makefile exists.
// Do we want to allow build_proc's to generate makefiles?
int
CdlBuildLoadableBody::parse_makefile(CdlInterpreter interp, int argc, char** argv)
{
    CYG_REPORT_FUNCNAMETYPE("parse_makefile", "result %d");

    int result = CdlParse::parse_string_property(interp, argc, argv, CdlPropertyId_Makefile, 0, 0);
    
    CYG_REPORT_RETVAL(result);
    return result;
}

// ----------------------------------------------------------------------------
// syntax: include_dir <directory name>
int
CdlBuildLoadableBody::parse_include_dir(CdlInterpreter interp, int argc, char** argv)
{
    CYG_REPORT_FUNCNAMETYPE("parse_include_dir", "result %d");

    int result = CdlParse::parse_string_property(interp, argc, argv, CdlPropertyId_IncludeDir, 0, 0);
    
    CYG_REPORT_RETVAL(result);
    return result;
}

// ----------------------------------------------------------------------------
// Syntax: include_files <file1 file2 ...>
//
// This lists the header files that should be copied into the install tree
// as part of the build operation. In the absence of an include_files property
// there should be an include subdirectory, and all files in that subdirectory
// are assumed to be exportable headers.
//
// NOTE: add a finalizer to check that the files exist or get created.

int
CdlBuildLoadableBody::parse_include_files(CdlInterpreter interp, int argc, char** argv)
{
    CYG_REPORT_FUNCNAMETYPE("parse_include_files", "result %d");

    int result = CdlParse::parse_stringvector_property(interp, argc, argv, CdlPropertyId_IncludeFiles, 0, 0, true);
    
    CYG_REPORT_RETVAL(result);
    return result;
}

//}}}
//{{{  update_build_info()                      

// ----------------------------------------------------------------------------
// This utility routine takes care of filling in a Buildinfo_Loadable
// structure with the appropriate header file information. This involves
// the following:
//
// 1) there may be an include_dir property. This affects the destination
//     of any header files that are listed.
//
// 2) the loadable may or may not have an include subdirectory. For
//    non-trivial packages the include subdirectory provides a clean
//    way of separating interface and implementation. For simple
//    packages it is too heavyweight.
//
// 3) there may be one or more include_files property. If so then these
//    specify all the files that should be exported.
//
// 4) otherwise if there is an include subdirectory then we need to
//    know all the header files in that subdirectory. A Tcl script is
//    used for this.
//
// 5) otherwise all the header files below the package directory itself
//    are of interest.

static void
update_header_file_info(CdlConstBuildLoadable loadable, CdlBuildInfo_Loadable& build_info)
{
    CYG_REPORT_FUNCNAME("update_header_file_info");
    CYG_REPORT_FUNCARG2XV(loadable, &build_info);
    CYG_PRECONDITION_CLASSC(loadable);

    std::string dest_dir = "";
    CdlProperty include_dir_prop = loadable->get_property(CdlPropertyId_IncludeDir);
    if (0 != include_dir_prop) {
        CdlProperty_String strprop = dynamic_cast<CdlProperty_String>(include_dir_prop);
        CYG_ASSERT_CLASSC(strprop);
        dest_dir = strprop->get_string();
    }

    bool has_include_subdir = loadable->has_subdirectory("include");

    std::vector<CdlProperty> include_file_properties;
    loadable->get_properties(CdlPropertyId_IncludeFiles, include_file_properties);
    if (include_file_properties.size() > 0) {
        std::vector<CdlProperty>::const_iterator prop_i;
        for (prop_i = include_file_properties.begin(); prop_i != include_file_properties.end(); prop_i++) {
            
            CdlProperty_StringVector strvprop = dynamic_cast<CdlProperty_StringVector>(*prop_i);
            CYG_ASSERT_CLASSC(strvprop);

            const std::vector<std::string>& filenames = strvprop->get_strings();
            std::vector<std::string>::const_iterator file_i;
            for (file_i = filenames.begin(); file_i != filenames.end(); file_i++) {
                std::string path = loadable->find_relative_file(*file_i, "include");
                // Assume that the header file will be generated by a build_proc
                if ("" == path) {
                    if (has_include_subdir) {
                        path = "include/" + *file_i;
                    } else {
                        path = *file_i;
                    }
                }
                CdlBuildInfo_Header local_copy;
                local_copy.source       = path;
                local_copy.destination  = "";
                if ("" != dest_dir) {
                    local_copy.destination = dest_dir + "/";
                }
                // At this stage "path" may begin with "include/", which should not
                // be present in the destination.
                const char* tmp = path.c_str();
                if (0 == strncmp("include/", tmp, 8)) {
                    local_copy.destination += &(tmp[8]);
                } else {
                    local_copy.destination += path;
                }
                build_info.headers.push_back(local_copy);
            }
        }
        CYG_REPORT_RETURN();
        return;
    }

    // It is necessary to search for the appropriate files.
    CdlInterpreter interp = loadable->get_interpreter();
    std::string    path   = loadable->get_toplevel()->get_directory() + "/" + loadable->get_directory();
    if (has_include_subdir) {
        std::vector<std::string> files;
        std::vector<std::string>::const_iterator file_i;
        interp->locate_all_files(path + "/include", files);
        for (file_i = files.begin(); file_i != files.end(); file_i++) {
            // NOTE: for now discard any header files in the pkgconf subdirectory
            if (0 == strncmp("pkgconf/", file_i->c_str(), 8)) {
                continue;
            }
            CdlBuildInfo_Header local_copy;
            local_copy.source   = "include/" + *file_i;
            local_copy.destination      = "";
            if ("" != dest_dir) {
                local_copy.destination = dest_dir + "/";
            }
            local_copy.destination += *file_i;
            build_info.headers.push_back(local_copy);
        }
    } else {
        // Look for all header files, which for now means files with
        // a .h, .hxx, .inl or .inc extension.
        // FIXME: the definition of what constitutes a header file
        // should not be hard-wired here.
        std::vector<std::string> files;
        std::vector<std::string>::const_iterator file_i;
        interp->locate_all_files(path, files);
        for (file_i = files.begin(); file_i != files.end(); file_i++) {

            // Problems with libstdc++ versions, use C comparisons instead.
            const char* c_string = file_i->c_str();
            unsigned int len = strlen(c_string);
            if (((len >= 2) && (0 == strncmp(c_string + len - 2, ".h", 2)))        ||
                ((len >= 4) && (0 == strncmp(c_string + len - 4, ".hxx", 4)))      ||
                ((len >= 4) && (0 == strncmp(c_string + len - 4, ".inl", 4)))      ||
                ((len >= 4) && (0 == strncmp(c_string + len - 4, ".inc", 4)))) {
                
                CdlBuildInfo_Header local_copy;
                local_copy.source = *file_i;
                local_copy.destination = "";
                if ("" != dest_dir) {
                    local_copy.destination = dest_dir + "/";
                }
                local_copy.destination += *file_i;
                build_info.headers.push_back(local_copy);
            }
        }
    }

    CYG_REPORT_RETURN();
    return;
}

// ----------------------------------------------------------------------------
// Updating a loadable build's info involves two steps. First, there
// is some information associated with the loadable as a whole such as
// header files. Second, each buildable in the loadable (including itself)
// may contain properties such as compile etc. This is all handled via
// a CdlBuildable member function.

void
CdlBuildLoadableBody::update_build_info(CdlBuildInfo& build_info) const
{
    CYG_REPORT_FUNCNAME("CdlBuildLoadable::update_build_info");
    CYG_REPORT_FUNCARG2XV(this, &build_info);
    CYG_PRECONDITION_THISC();

    // It is not possible to disable a loadable itself: either the
    // loadable is present or it is not (although in some cases users
    // may be able to change versions). However, because of reparenting
    // it is possible for a loadable to be below a disabled container,
    // and hence it is still necessary to check whether or not the
    // loadable is active.
    if (!is_active()) {
        CYG_REPORT_RETURN();
        return;
    }

    // Time to add a new CdlBuildInfo_Loadable object to the current
    // vector. The name and directory can be filled in straightaway,
    // the vectors will all be initialized to empty.
    CdlBuildInfo_Loadable tmp_info;
    build_info.entries.push_back(tmp_info);
    CdlBuildInfo_Loadable& this_info = *(build_info.entries.rbegin());
    this_info.name      = get_name();
    this_info.directory = get_directory();

    // Take care of the header files
    update_header_file_info(this, this_info);
    
    // Work out the library name appropriate for this loadable.
    // There may be a library property, otherwise the global default
    // should be used.
    std::string loadable_library = default_library_name;
    if (has_property(CdlPropertyId_Library)) {
        CdlProperty_String strprop = dynamic_cast<CdlProperty_String>(get_property(CdlPropertyId_Library));
        loadable_library = strprop->get_string();
    }
    
    const std::vector<CdlNode>& contents = get_owned();
    std::vector<CdlNode>::const_iterator node_i;
    for (node_i = contents.begin(); node_i != contents.end(); node_i++) {
        CdlBuildable buildable = dynamic_cast<CdlBuildable>(*node_i);
        if (0 != buildable) {
            buildable->update_build_info(this_info, loadable_library);
        }
    }
    
    CYG_REPORT_RETURN();
}

// This is much the same as the above, but there is no test for
// active either at the loadable level or for the individual buildables.
void
CdlBuildLoadableBody::update_all_build_info(CdlBuildInfo& build_info) const
{
    CYG_REPORT_FUNCNAME("CdlBuildLoadable::update_all_build_info");
    CYG_REPORT_FUNCARG2XV(this, &build_info);
    CYG_PRECONDITION_THISC();

    CdlBuildInfo_Loadable tmp_info;
    build_info.entries.push_back(tmp_info);
    CdlBuildInfo_Loadable& this_info = *(build_info.entries.rbegin());
    this_info.name      = get_name();
    this_info.directory = get_directory();

    std::string loadable_library = default_library_name;
    if (has_property(CdlPropertyId_Library)) {
        CdlProperty_String strprop = dynamic_cast<CdlProperty_String>(get_property(CdlPropertyId_Library));
        loadable_library = strprop->get_string();
    }
    
    const std::vector<CdlNode>& contents = get_owned();