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Add AST_SELFSZ and improve handling of bit slices

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Signed-off-by: Claire Wolf <claire@symbioticeda.com>
This commit is contained in:
Claire Wolf 2020-04-29 14:28:04 +02:00
parent bbbce0d1c5
commit 589ed2d970
5 changed files with 22 additions and 7 deletions
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4
frontends/verilog/verilog_parser.y
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@ -645,13 +645,13 @@ non_opt_range:
} |
'[' expr TOK_POS_INDEXED expr ']' {
$$ = new AstNode(AST_RANGE);
AstNode *expr = new AstNode(AST_CONCAT, $2);
AstNode *expr = new AstNode(AST_SELFSZ, $2);
$$->children.push_back(new AstNode(AST_SUB, new AstNode(AST_ADD, expr->clone(), $4), AstNode::mkconst_int(1, true)));
$$->children.push_back(new AstNode(AST_ADD, expr, AstNode::mkconst_int(0, true)));
} |
'[' expr TOK_NEG_INDEXED expr ']' {
$$ = new AstNode(AST_RANGE);
AstNode *expr = new AstNode(AST_CONCAT, $2);
AstNode *expr = new AstNode(AST_SELFSZ, $2);
$$->children.push_back(new AstNode(AST_ADD, expr, AstNode::mkconst_int(0, true)));
$$->children.push_back(new AstNode(AST_SUB, new AstNode(AST_ADD, expr->clone(), AstNode::mkconst_int(1, true)), $4));
} |