- map<string, VariableDeclaration *>::iterator i = block->variables.find(var.name);
- if(i!=block->variables.end())
- var.declaration = i->second;
- }
-
- if(var.declaration)
- {
- if(var.declaration->type_declaration)
- r_members = &var.declaration->type_declaration->members.variables;
- }
- else
- {
- const map<string, InterfaceBlock *> &blocks = stage->interface_blocks;
- map<string, InterfaceBlock *>::const_iterator i = blocks.find("_"+var.name);
- if(i!=blocks.end())
- {
- /* The name refers to an interface block with an instance name rather
- than a variable. Prepare a new syntax tree node accordingly. */
- r_iface_ref = new InterfaceBlockReference;
- r_iface_ref->name = var.name;
- r_iface_ref->declaration = i->second;
- r_members = &i->second->members.variables;
- }
- else
- {
- // Look for the variable in anonymous interface blocks.
- for(i=blocks.begin(); (!var.declaration && i!=blocks.end()); ++i)
- if(i->second->instance_name.empty())
- {
- map<string, VariableDeclaration *>::iterator j = i->second->members.variables.find(var.name);
- if(j!=i->second->members.variables.end())
- var.declaration = j->second;
- }
- }
- }
-
- if(record_target)
- {
- if(r_assignment_target)
- {
- /* More than one variable reference found in assignment target.
- Unable to determine what the primary target is. */
- record_target = false;
- r_assignment_target = 0;
- }
- else
- r_assignment_target = var.declaration;
- }
- else if(var.declaration && var.declaration==r_assignment_target)
- r_self_referencing = true;
-}
-
-void VariableResolver::visit(InterfaceBlockReference &iface)
-{
- iface.declaration = 0;
- for(Block *block=current_block; block; block=block->parent)
- {
- map<string, InterfaceBlock *>::iterator i = stage->interface_blocks.find("_"+iface.name);
- if(i!=stage->interface_blocks.end())
- {
- iface.declaration = i->second;
- r_members = &i->second->members.variables;
- break;
- }
- }
-}
-
-void VariableResolver::visit(MemberAccess &memacc)
-{
- r_members = 0;
- r_iface_ref = 0;
- memacc.left->visit(*this);
-
- if(r_iface_ref)
- memacc.left = r_iface_ref;
- r_iface_ref = 0;
-
- memacc.declaration = 0;
- if(r_members)
- {
- map<string, VariableDeclaration *>::iterator i = r_members->find(memacc.member);
- if(i!=r_members->end())
- {
- memacc.declaration = i->second;
- if(i->second->type_declaration)
- r_members = &i->second->type_declaration->members.variables;
- }