diff options
Diffstat (limited to 'frontends/verilog/preproc.cc')
| -rw-r--r-- | frontends/verilog/preproc.cc | 18 |
1 files changed, 15 insertions, 3 deletions
diff --git a/frontends/verilog/preproc.cc b/frontends/verilog/preproc.cc index 752f7a7a8..de707593f 100644 --- a/frontends/verilog/preproc.cc +++ b/frontends/verilog/preproc.cc @@ -390,13 +390,16 @@ static void input_file(std::istream &f, std::string filename) // the argument list); false if we finished with ','. static bool read_argument(std::string &dest) { + skip_spaces(); std::vector<char> openers; for (;;) { - skip_spaces(); std::string tok = next_token(true); if (tok == ")") { - if (openers.empty()) + if (openers.empty()) { + while (dest.size() && (dest.back() == ' ' || dest.back() == '\t')) + dest = dest.substr(0, dest.size() - 1); return true; + } if (openers.back() != '(') log_error("Mismatched brackets in macro argument: %c and %c.\n", openers.back(), tok[0]); @@ -474,7 +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) { |