diff options
Diffstat (limited to 'frontends/verilog/parser.y')
| -rw-r--r-- | frontends/verilog/parser.y | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/frontends/verilog/parser.y b/frontends/verilog/parser.y index 010af4787..6e0b238e0 100644 --- a/frontends/verilog/parser.y +++ b/frontends/verilog/parser.y @@ -105,7 +105,7 @@ static void free_attr(std::map<std::string, AstNode*> *al) %token TOK_SYNOPSYS_FULL_CASE TOK_SYNOPSYS_PARALLEL_CASE %token TOK_SUPPLY0 TOK_SUPPLY1 TOK_TO_SIGNED TOK_TO_UNSIGNED -%type <ast> wire_type range expr basic_expr concat_list lvalue lvalue_concat_list +%type <ast> wire_type range expr basic_expr concat_list rvalue lvalue lvalue_concat_list %type <string> opt_label tok_prim_wrapper %type <boolean> opt_signed %type <al> attr @@ -802,13 +802,21 @@ case_expr_list: ast_stack.back()->children.push_back($3); }; -lvalue: +rvalue: + TOK_ID '[' expr ']' '.' rvalue { + $$ = new AstNode(AST_PREFIX, $3, $6); + $$->str = *$1; + delete $1; + } | TOK_ID range { - $$ = new AstNode(AST_IDENTIFIER); + $$ = new AstNode(AST_IDENTIFIER, $2); $$->str = *$1; - if ($2) - $$->children.push_back($2); delete $1; + }; + +lvalue: + rvalue { + $$ = $1; } | '{' lvalue_concat_list '}' { $$ = $2; @@ -894,6 +902,9 @@ expr: }; basic_expr: + rvalue { + $$ = $1; + } | TOK_CONST { $$ = const2ast(*$1, case_type_stack.size() == 0 ? 0 : case_type_stack.back()); delete $1; @@ -913,11 +924,6 @@ basic_expr: $$->str = str; delete $1; } | - TOK_ID range { - $$ = new AstNode(AST_IDENTIFIER, $2); - $$->str = *$1; - delete $1; - } | TOK_ID attr { AstNode *node = new AstNode(AST_FCALL); node->str = *$1; |