search for: rf_newenviron

Dear developers, is it possible to create environments in C code of packages? Simply using SEXP env; PROTECT (env = allocSExp(ENVSXP)); and assigning the enclosing environment with SET_ENCLOS seems to be insufficient. Best wishes, Martin -- Dr. Martin Becker Statistics and Econometrics Saarland University Campus C3 1, Room 206 66123 Saarbruecken Germany

Hi, I would like to be able to create new environments from package C code. AFAICT, this isn't allowed since both NewEnvironment and R_NewHashedEnv are declared in Defn.R. If exposing this isn't controvertial, I would submit a patch. However, I'm not sure where the declarations should go (Rdefines.h?) and whether they need to change to Rf_*. + seth

...elevant part of the log is below. Any ideas? gcc -shared -o methods.so do_substitute_direct.o methods_list_dispatch.o method_meta_data.o slot.o -L/usr/local/lib /usr/ucb/ld: Warning: Unresolved: TYPEOF Rf_error Rf_protect Rf_substitute Rf_unprotect Rf_duplicate Rf_VectorToPairList R_NilValue Rf_NewEnvironment R_set_standardGeneric_ptr R_GlobalEnv R_set_quick_method_check Rf_install Rf_allocVector LOGICAL R_PreserveObject Rf_mkChar SET_STRING_ELT Rf_findVar R_UnboundValue VECTOR_ELT R_NamesSymbol Rf_getAttrib Rf_length STRING_ELT R_CHAR R_do_slot Rf_asChar PRINTNAME Rf_isNull CAR CDR R_data_class Rf_...

.../v4.2.1/include -c slot.c -o slot.o /usr/bin/cc -shared -L/soft/readline/v4.2.1/lib -o methods.so do_substitute_direct.o methods_list_dispatch.o method_meta_data.o slot.o ld: Warning: Unresolved: Rf_error R_NilValue Rf_VectorToPairList Rf_duplicate Rf_protect Rf_substitute Rf_unprotect TYPEOF Rf_NewEnvironment R_GlobalEnv R_UnboundValue R_MissingArg R_DotsSymbol R_NamesSymbol Rf_allocVector Rf_asChar Rf_asLogical Rf_defineVar Rf_eval Rf_findVar Rf_findVarInFrame Rf_findFun Rf_getAttrib Rf_install Rf_isEnvironment Rf_isFunction Rf_isNull Rf_isObject Rf_isPrimitive Rf_isSymbol Rf_length Rf_mkChar ATTRI...