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| author | Zachary Snow <zach@zachjs.com> | 2021-03-16 11:06:40 -0400 |
|---|---|---|
| committer | Zachary Snow <zachary.j.snow@gmail.com> | 2021-03-17 15:53:52 -0400 |
| commit | f71c2dcca6b63ad3cbd3d5b6f51f67f9cd85f03e (patch) | |
| tree | 4edd598b167d6422f64743b30587ead247346e46 /frontends/verilog | |
| parent | 092e923330ce23adffa7843a27bdba8a0b139e58 (diff) | |
| download | yosys-f71c2dcca6b63ad3cbd3d5b6f51f67f9cd85f03e.tar.gz yosys-f71c2dcca6b63ad3cbd3d5b6f51f67f9cd85f03e.tar.bz2 yosys-f71c2dcca6b63ad3cbd3d5b6f51f67f9cd85f03e.zip | |
sv: carry over global typedefs from previous files
This breaks the ability to use a global typename as a standard
identifier in a subsequent input file. This is otherwise backwards
compatible, including for sources which previously included conflicting
typedefs in each input file.
Diffstat (limited to 'frontends/verilog')
| -rw-r--r-- | frontends/verilog/verilog_frontend.cc | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_frontend.cc b/frontends/verilog/verilog_frontend.cc index e2aecd99b..5907707c8 100644 --- a/frontends/verilog/verilog_frontend.cc +++ b/frontends/verilog/verilog_frontend.cc @@ -61,8 +61,11 @@ static void add_package_types(dict<std::string, AST::AstNode *> &user_types, std } } } - user_type_stack.clear(); - user_type_stack.push_back(new UserTypeMap()); + + // carry over typedefs from previous files, but allow them to be overridden + // note that these type maps are currently never reclaimed + if (user_type_stack.empty() || !user_type_stack.back()->empty()) + user_type_stack.push_back(new UserTypeMap()); } struct VerilogFrontend : public Frontend { |