diff options
Diffstat (limited to 'frontends/verilog/verilog_parser.y')
| -rw-r--r-- | frontends/verilog/verilog_parser.y | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/frontends/verilog/verilog_parser.y b/frontends/verilog/verilog_parser.y index 15c231f3b..bbf1a436b 100644 --- a/frontends/verilog/verilog_parser.y +++ b/frontends/verilog/verilog_parser.y @@ -298,6 +298,7 @@ static void rewriteAsMemoryNode(AstNode *node, AstNode *rangeNode) %left '+' '-' %left '*' '/' '%' %left OP_POW +%left OP_CAST %right UNARY_OPS %define parse.error verbose @@ -3001,6 +3002,24 @@ basic_expr: $$ = new AstNode(AST_LOGIC_NOT, $3); SET_AST_NODE_LOC($$, @1, @3); append_attr($$, $2); + } | + TOK_SIGNED OP_CAST '(' expr ')' { + if (!sv_mode) + frontend_verilog_yyerror("Static cast is only supported in SystemVerilog mode."); + $$ = new AstNode(AST_TO_SIGNED, $4); + SET_AST_NODE_LOC($$, @1, @4); + } | + TOK_UNSIGNED OP_CAST '(' expr ')' { + if (!sv_mode) + frontend_verilog_yyerror("Static cast is only supported in SystemVerilog mode."); + $$ = new AstNode(AST_TO_UNSIGNED, $4); + SET_AST_NODE_LOC($$, @1, @4); + } | + basic_expr OP_CAST '(' expr ')' { + if (!sv_mode) + frontend_verilog_yyerror("Static cast is only supported in SystemVerilog mode."); + $$ = new AstNode(AST_CAST_SIZE, $1, $4); + SET_AST_NODE_LOC($$, @1, @4); }; concat_list: |