diff options
Diffstat (limited to 'frontends/verilog')
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 91b7afddf..e4b3258c2 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -163,12 +163,18 @@ static bool isInLocalScope(const std::string *name) static AstNode *getTypeDefinitionNode(std::string type_name) { - // return the definition nodes from the typedef statement - auto user_types = user_type_stack.back(); - log_assert(user_types->count(type_name) > 0); - auto typedef_node = (*user_types)[type_name]; - log_assert(typedef_node->type == AST_TYPEDEF); - return typedef_node->children[0]; + // check current scope then outer scopes for a name + for (auto it = user_type_stack.rbegin(); it != user_type_stack.rend(); ++it) { + if ((*it)->count(type_name) > 0) { + // return the definition nodes from the typedef statement + auto typedef_node = (**it)[type_name]; + log_assert(typedef_node->type == AST_TYPEDEF); + return typedef_node->children[0]; + } + } + + // The lexer recognized the name as a TOK_USER_TYPE, but now we can't find it anymore? + log_error("typedef for user type `%s' not found", type_name.c_str()); } static AstNode *copyTypeDefinition(std::string type_name) |