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Added AST_MULTIRANGE (arrays with more than 1 dimension)

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This commit is contained in:
Clifford Wolf 2014-08-06 15:43:46 +02:00
parent b4f10e342c
commit d259abbda2
5 changed files with 80 additions and 6 deletions
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22
frontends/verilog/parser.y
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@ -112,7 +112,8 @@ static void free_attr(std::map<std::string, AstNode*> *al)
%token TOK_SUPPLY0 TOK_SUPPLY1 TOK_TO_SIGNED TOK_TO_UNSIGNED
%token TOK_POS_INDEXED TOK_NEG_INDEXED TOK_ASSERT TOK_PROPERTY
%type <ast> wire_type range non_opt_range range_or_signed_int expr basic_expr concat_list rvalue lvalue lvalue_concat_list
%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 <string> opt_label tok_prim_wrapper hierarchical_id
%type <boolean> opt_signed
%type <al> attr
@ -361,6 +362,15 @@ non_opt_range:
$$->children.push_back($2);
};
non_opt_multirange:
non_opt_range non_opt_range {
$$ = new AstNode(AST_MULTIRANGE, $1, $2);
} |
non_opt_multirange non_opt_range {
$$ = $1;
$$->children.push_back($2);
};
range:
non_opt_range {
$$ = $1;
@ -369,6 +379,10 @@ range:
$$ = NULL;
};
range_or_multirange:
range { $$ = $1; } |
non_opt_multirange { $$ = $1; };
range_or_signed_int:
range {
$$ = $1;
@ -566,7 +580,7 @@ wire_name_and_opt_assign:
};
wire_name:
TOK_ID range {
TOK_ID range_or_multirange {
AstNode *node = astbuf1->clone();
node->str = *$1;
append_attr_clone(node, albuf);
@ -1007,8 +1021,8 @@ rvalue:
$$->str = *$1;
delete $1;
} |
hierarchical_id non_opt_range non_opt_range {
$$ = new AstNode(AST_IDENTIFIER, $2, $3);
hierarchical_id non_opt_multirange {
$$ = new AstNode(AST_IDENTIFIER, $2);
$$->str = *$1;
delete $1;
};