diff options
| -rw-r--r-- | gcc/rust/expand/rust-macro-expand.cc | 19 |
1 files changed, 16 insertions, 3 deletions
diff --git a/gcc/rust/expand/rust-macro-expand.cc b/gcc/rust/expand/rust-macro-expand.cc index 6b26f98..30f0f30 100644 --- a/gcc/rust/expand/rust-macro-expand.cc +++ b/gcc/rust/expand/rust-macro-expand.cc @@ -963,6 +963,20 @@ transcribe_context (MacroExpander::ContextType ctx, } } +static std::string +tokens_to_str (std::vector<std::unique_ptr<AST::Token>> &tokens) +{ + std::string str; + if (!tokens.empty ()) + { + str += tokens[0]->as_string (); + for (size_t i = 1; i < tokens.size (); i++) + str += " " + tokens[i]->as_string (); + } + + return str; +} + AST::ASTFragment MacroExpander::transcribe_rule ( AST::MacroRule &match_rule, AST::DelimTokenTree &invoc_token_tree, @@ -982,9 +996,8 @@ MacroExpander::transcribe_rule ( std::vector<std::unique_ptr<AST::Token>> substituted_tokens = substitute_context.substitute_tokens (); - // handy for debugging - // for (auto &tok : substituted_tokens) - // rust_debug ("[tok] %s", tok->as_string ().c_str ()); + rust_debug ("substituted tokens: %s", + tokens_to_str (substituted_tokens).c_str ()); // parse it to an ASTFragment MacroInvocLexer lex (std::move (substituted_tokens)); |