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Add support for packed multidimensional arrays

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* Generalization of dimensions metadata (also simplifies $size et al.)
* Parsing and elaboration of multidimensional packed ranges
This commit is contained in:
Dag Lem 2024-01-25 07:28:15 +01:00 • committed by Zachary Snow
parent ac0fb2e301
commit 39fea32c6e
7 changed files with 247 additions and 267 deletions
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28
frontends/ast/ast.cc
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@ -224,6 +224,7 @@ AstNode::AstNode(AstNodeType type, AstNode *child1, AstNode *child2, AstNode *ch
port_id = 0;
range_left = -1;
range_right = 0;
unpacked_dimensions = 0;
integer = 0;
realvalue = 0;
id2ast = NULL;
@ -349,17 +350,15 @@ void AstNode::dumpAst(FILE *f, std::string indent) const
fprintf(f, " int=%u", (int)integer);
if (realvalue != 0)
fprintf(f, " real=%e", realvalue);
if (!multirange_dimensions.empty()) {
fprintf(f, " multirange=[");
for (int v : multirange_dimensions)
fprintf(f, " %d", v);
fprintf(f, " ]");
}
if (!multirange_swapped.empty()) {
fprintf(f, " multirange_swapped=[");
for (bool v : multirange_swapped)
fprintf(f, " %d", v);
fprintf(f, " ]");
if (!dimensions.empty()) {
fprintf(f, " dimensions=");
for (auto &dim : dimensions) {
int left = dim.range_right + dim.range_width - 1;
int right = dim.range_right;
if (dim.range_swapped)
std::swap(left, right);
fprintf(f, "[%d:%d]", left, right);
}
}
if (is_enum) {
fprintf(f, " type=enum");
@ -505,6 +504,11 @@ void AstNode::dumpVlog(FILE *f, std::string indent) const
}
break;
case AST_MULTIRANGE:
for (auto child : children)
child->dumpVlog(f, "");
break;
case AST_ALWAYS:
fprintf(f, "%s" "always @", indent.c_str());
for (auto child : children) {
@ -542,7 +546,7 @@ void AstNode::dumpVlog(FILE *f, std::string indent) const
case AST_IDENTIFIER:
{
AST::AstNode *member_node = AST::get_struct_member(this);
AstNode *member_node = get_struct_member();
if (member_node)
fprintf(f, "%s[%d:%d]", id2vl(str).c_str(), member_node->range_left, member_node->range_right);
else