diff options
Diffstat (limited to 'frontends/verilog/preproc.cc')
| -rw-r--r-- | frontends/verilog/preproc.cc | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/frontends/verilog/preproc.cc b/frontends/verilog/preproc.cc index c451c4c20..de707593f 100644 --- a/frontends/verilog/preproc.cc +++ b/frontends/verilog/preproc.cc @@ -477,7 +477,16 @@ static bool try_expand_macro(define_map_t &defines, std::string &tok) std::string name = tok.substr(1); std::string skipped_spaces = skip_spaces(); tok = next_token(false); - if (tok == "(" && body->has_args) { + if (body->has_args) { + if (tok != "(") { + if (tok.size() == 1 && iscntrl(tok[0])) { + char buf[5]; + snprintf(buf, sizeof(buf), "\\x%02x", tok[0]); + tok = buf; + } + log_error("Expected to find '(' to begin macro arguments for '%s', but instead found '%s'\n", + name.c_str(), tok.c_str()); + } std::vector<std::string> args; bool done = false; while (!done) { |