VariableResolver::VariableResolver():
stage(0),
- members(0),
+ r_members(0),
record_target(false),
- assignment_target(0),
- self_referencing(false)
+ r_assignment_target(0),
+ r_self_referencing(false)
{ }
void VariableResolver::apply(Stage &s)
void VariableResolver::visit(VariableReference &var)
{
var.declaration = 0;
- members = 0;
+ r_members = 0;
for(Block *block=current_block; (!var.declaration && block); block=block->parent)
{
map<string, VariableDeclaration *>::iterator i = block->variables.find(var.name);
if(var.declaration)
{
if(var.declaration->type_declaration)
- members = &var.declaration->type_declaration->members.variables;
+ r_members = &var.declaration->type_declaration->members.variables;
}
else
{
map<string, InterfaceBlock *>::const_iterator i = blocks.find(var.name);
if(i!=blocks.end() && i->second->instance_name==var.name)
{
- iface_ref = new InterfaceBlockReference;
- iface_ref->name = var.name;
- iface_ref->declaration = i->second;
- members = &i->second->members.variables;
+ r_iface_ref = new InterfaceBlockReference;
+ r_iface_ref->name = var.name;
+ r_iface_ref->declaration = i->second;
+ r_members = &i->second->members.variables;
}
else
{
if(record_target)
{
- if(assignment_target)
+ if(r_assignment_target)
{
record_target = false;
- assignment_target = 0;
+ r_assignment_target = 0;
}
else
- assignment_target = var.declaration;
+ r_assignment_target = var.declaration;
}
- else if(var.declaration && var.declaration==assignment_target)
- self_referencing = true;
+ else if(var.declaration && var.declaration==r_assignment_target)
+ r_self_referencing = true;
}
void VariableResolver::visit(InterfaceBlockReference &iface)
if(i!=stage->interface_blocks.end())
{
iface.declaration = i->second;
- members = &i->second->members.variables;
+ r_members = &i->second->members.variables;
break;
}
}
void VariableResolver::visit(MemberAccess &memacc)
{
- members = 0;
- iface_ref = 0;
+ r_members = 0;
+ r_iface_ref = 0;
memacc.left->visit(*this);
- if(iface_ref)
- memacc.left = iface_ref;
- iface_ref = 0;
+ if(r_iface_ref)
+ memacc.left = r_iface_ref;
+ r_iface_ref = 0;
memacc.declaration = 0;
- if(members)
+ if(r_members)
{
- map<string, VariableDeclaration *>::iterator i = members->find(memacc.member);
- if(i!=members->end())
+ map<string, VariableDeclaration *>::iterator i = r_members->find(memacc.member);
+ if(i!=r_members->end())
{
memacc.declaration = i->second;
if(i->second->type_declaration)
- members = &i->second->type_declaration->members.variables;
+ r_members = &i->second->type_declaration->members.variables;
}
else
- members = 0;
+ r_members = 0;
}
}
+void VariableResolver::visit(UnaryExpression &unary)
+{
+ TraversingVisitor::visit(unary);
+ r_members = 0;
+ r_iface_ref = 0;
+}
+
void VariableResolver::visit(BinaryExpression &binary)
{
if(binary.oper->token[0]=='[')
SetForScope<bool> set(record_target, false);
binary.right->visit(*this);
}
- members = 0;
- iface_ref = 0;
+ r_members = 0;
+ r_iface_ref = 0;
binary.left->visit(*this);
- if(iface_ref)
- binary.left = iface_ref;
- iface_ref = 0;
+ if(r_iface_ref)
+ binary.left = r_iface_ref;
}
else
{
TraversingVisitor::visit(binary);
- members = 0;
+ r_members = 0;
}
+
+ r_iface_ref = 0;
}
void VariableResolver::visit(Assignment &assign)
{
{
SetFlag set(record_target);
- assignment_target = 0;
+ r_assignment_target = 0;
assign.left->visit(*this);
}
- self_referencing = false;
+ r_self_referencing = false;
assign.right->visit(*this);
- assign.self_referencing = (self_referencing || assign.oper->token[0]!='=');
- assign.target_declaration = assignment_target;
+ assign.self_referencing = (r_self_referencing || assign.oper->token[0]!='=');
+ assign.target_declaration = r_assignment_target;
+ r_members = 0;
+ r_iface_ref = 0;
+}
+
+void VariableResolver::visit(FunctionCall &call)
+{
+ TraversingVisitor::visit(call);
+ r_members = 0;
+ r_iface_ref = 0;
}
void VariableResolver::visit(StructDeclaration &strct)
const map<string, VariableDeclaration *> &prev_vars = stage->previous->content.variables;
for(map<string, VariableDeclaration *>::const_iterator i=prev_vars.begin(); i!=prev_vars.end(); ++i)
{
- bool linked = false;
- for(vector<VariableDeclaration *>::const_iterator j=pass_vars.begin(); (!linked && j!=pass_vars.end()); ++j)
- linked = ((*j)->linked_declaration==i->second);
+ if(i->second->interface!="out")
+ continue;
- if(!linked && generate_interface(*i->second, "in", i->second->name))
+ if(!i->second->linked_declaration && generate_interface(*i->second, "in", i->second->name))
pass_vars.push_back(i->second);
}
}