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Added verilog frontend -ignore_redef option

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This commit is contained in:
Clifford Wolf 2013-11-24 19:57:42 +01:00
parent 20175afd29
commit 7d9a90396d
3 changed files with 19 additions and 5 deletions
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11
frontends/verilog/verilog_frontend.cc
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@ -96,6 +96,10 @@ struct VerilogFrontend : public Frontend {
log(" don't perform basic optimizations (such as const folding) in the\n");
log(" high-level front-end.\n");
log("\n");
log(" -ignore_redef\n");
log(" ignore re-definitions of modules. (the default behavior is to\n");
log(" create an error message.)\n");
log("\n");
log(" -Dname[=definition]\n");
log(" define the preprocessor symbol 'name' and set its optional value\n");
log(" 'definition'\n");
@ -117,6 +121,7 @@ struct VerilogFrontend : public Frontend {
bool flag_nopp = false;
bool flag_lib = false;
bool flag_noopt = false;
bool flag_ignore_redef = false;
std::map<std::string, std::string> defines_map;
std::list<std::string> include_dirs;
frontend_verilog_yydebug = false;
@ -170,6 +175,10 @@ struct VerilogFrontend : public Frontend {
flag_noopt = true;
continue;
}
if (arg == "-ignore_redef") {
flag_ignore_redef = true;
continue;
}
if (arg.compare(0,2,"-D") == 0) {
size_t equal = arg.find('=',2); // returns string::npos it not found
std::string name = arg.substr(2,equal-2);
@ -211,7 +220,7 @@ struct VerilogFrontend : public Frontend {
frontend_verilog_yyparse();
frontend_verilog_yylex_destroy();
AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt);
AST::process(design, current_ast, flag_dump_ast1, flag_dump_ast2, flag_dump_vlog, flag_nolatches, flag_nomem2reg, flag_mem2reg, flag_lib, flag_noopt, flag_ignore_redef);
if (!flag_nopp)
fclose(fp);