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Three small changes to compile (again) under C++98 (closes #1192) #1193

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Merged
eddelbuettel merged 1 commit into from
Jan 21, 2022
Merged

Three small changes to compile (again) under C++98 (closes #1192) #1193

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5 changes: 5 additions & 0 deletions ChangeLog
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Original file line number Diff line number Diff line change
@@ -1,3 +1,8 @@
2022-01-20 Dirk Eddelbuettel <edd@debian.org>

* src/attributes.cpp: Make three small changes to permit compilation
under C++98 now (while we consider just turning to C++11 overall)

2022-01-14 Dirk Eddelbuettel <edd@debian.org>

* inst/tinytest/test_packageversion.R: Comparison to 'dev' revision
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20 changes: 14 additions & 6 deletions src/attributes.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -2,7 +2,7 @@
// attributes.cpp: Rcpp R/C++ interface class library -- Rcpp attributes
//
// Copyright (C) 2012 - 2020 JJ Allaire, Dirk Eddelbuettel and Romain Francois
// Copyright (C) 2021 JJ Allaire, Dirk Eddelbuettel, Romain Francois, Iñaki Ucar and Travers Ching
// Copyright (C) 2021 - 2022 JJ Allaire, Dirk Eddelbuettel, Romain Francois, Iñaki Ucar and Travers Ching
//
// This file is part of Rcpp.
//
Expand Down Expand Up @@ -400,12 +400,20 @@ namespace attributes {
Param sigParam = paramNamed(kExportSignature);
std::string sig = sigParam.value();
trimWhitespace(&sig);
if(sig.empty()) return sig;
if(sig.back() == '}')
if (sig.empty()) return sig;
#if __cplusplus < 201103L
if (sig[sig.size() - 1] == '}')
#else
if (sig.back() == '}')
#endif
sig = sig.substr(0, sig.size()-1);
// check sig.empty again since we deleted an element
if(sig.empty()) return sig;
if(sig.front() == '{')
if (sig.empty()) return sig;
#if __cplusplus < 201103L
if (sig[0] == '{')
#else
if (sig.front() == '{')
#endif
sig.erase(0,1);
return sig;
}
Expand Down Expand Up @@ -2810,7 +2818,7 @@ namespace attributes {
// as the error message is generally more descriptive
CharacterVector pargs_cv = formalArgs(eval(parse(_["text"] = args)));
std::vector<std::string> parsed_args =
Rcpp::as<std::vector<std::string>>(pargs_cv);
Rcpp::as<std::vector<std::string> >(pargs_cv);

for(size_t i=0; i<required_args.size(); ++i) {
if(std::find(parsed_args.begin(), parsed_args.end(),
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