diff options
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 516fa4138..0024d4778 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -113,7 +113,8 @@ struct specify_rise_fall { %define api.prefix {frontend_verilog_yy} %glr-parser -%expect 22 +%expect 21 +%expect-rr 2 /* The union is defined in the header, so we need to provide all the * includes it requires @@ -157,7 +158,7 @@ struct specify_rise_fall { %token TOK_INCREMENT TOK_DECREMENT TOK_UNIQUE TOK_PRIORITY %type <ast> range range_or_multirange non_opt_range non_opt_multirange range_or_signed_int -%type <ast> wire_type expr basic_expr concat_list rvalue lvalue lvalue_concat_list +%type <ast> wire_type wire_type_io expr basic_expr concat_list rvalue lvalue lvalue_concat_list %type <string> opt_label opt_sva_label tok_prim_wrapper hierarchical_id %type <boolean> opt_signed opt_property unique_case_attr %type <al> attr case_attr @@ -395,7 +396,7 @@ module_arg: ast_stack.back()->children.push_back(astbuf2); delete astbuf1; // really only needed if multiple instances of same type. } module_arg_opt_assignment | - attr wire_type range TOK_ID { + attr wire_type_io range TOK_ID { AstNode *node = $2; node->str = *$4; node->port_id = ++port_counter; @@ -479,6 +480,15 @@ wire_type: $$ = astbuf3; }; +wire_type_io: + { + astbuf3 = new AstNode(AST_WIRE); + current_wire_rand = false; + current_wire_const = false; + } io_wire_type_token_list delay { + $$ = astbuf3; + }; + wire_type_token_list: wire_type_token | wire_type_token_list wire_type_token | wire_type_token_io ; @@ -541,6 +551,12 @@ wire_type_token: astbuf3->children.back()->str = *$1; }; +wire_type_token_list_without_io: + wire_type_token | wire_type_token_list wire_type_token; + +io_wire_type_token_list: + wire_type_token_io | wire_type_token_io wire_type_token_list_without_io; + non_opt_range: '[' expr ':' expr ']' { $$ = new AstNode(AST_RANGE); |