diff options
Diffstat (limited to 'frontends/verilog/const2ast.cc')
| -rw-r--r-- | frontends/verilog/const2ast.cc | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/frontends/verilog/const2ast.cc b/frontends/verilog/const2ast.cc index a81e3010f..ca995915f 100644 --- a/frontends/verilog/const2ast.cc +++ b/frontends/verilog/const2ast.cc @@ -132,8 +132,16 @@ static void my_strtobin(std::vector<RTLIL::State> &data, const char *str, int le } // convert the verilog code for a constant to an AST node -AstNode *VERILOG_FRONTEND::const2ast(std::string code, char case_type) +AstNode *VERILOG_FRONTEND::const2ast(std::string code, char case_type, bool warn_z) { + if (warn_z) { + AstNode *ret = const2ast(code, case_type); + if (std::find(ret->bits.begin(), ret->bits.end(), RTLIL::State::Sz) != ret->bits.end()) + log_warning("Yosys does not support tri-state logic at the moment. (%s:%d)\n", + current_filename.c_str(), frontend_verilog_yyget_lineno()); + return ret; + } + const char *str = code.c_str(); // Strings |