diff options
Diffstat (limited to 'frontends/verilog/verilog_parser.y')
-rw-r--r-- | frontends/verilog/verilog_parser.y | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 63f0341d9..678ce6c87 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -210,14 +210,23 @@ static AstNode *checkRange(AstNode *type_node, AstNode *range_node) return range_node; } -static void rewriteAsMemoryNode(AstNode *node, AstNode *rangeNode) +static void rewriteRange(AstNode *rangeNode) { - node->type = AST_MEMORY; if (rangeNode->type == AST_RANGE && rangeNode->children.size() == 1) { // SV array size [n], rewrite as [n-1:0] rangeNode->children[0] = new AstNode(AST_SUB, rangeNode->children[0], AstNode::mkconst_int(1, true)); rangeNode->children.push_back(AstNode::mkconst_int(0, false)); } +} + +static void rewriteAsMemoryNode(AstNode *node, AstNode *rangeNode) +{ + node->type = AST_MEMORY; + if (rangeNode->type == AST_MULTIRANGE) { + for (auto *itr : rangeNode->children) + rewriteRange(itr); + } else + rewriteRange(rangeNode); node->children.push_back(rangeNode); } @@ -1882,6 +1891,9 @@ cell_parameter: astbuf1->children.push_back(node); node->children.push_back($1); } | + '.' TOK_ID '(' ')' { + // just ignore empty parameters + } | '.' TOK_ID '(' expr ')' { AstNode *node = new AstNode(AST_PARASET); node->str = *$2; |