- stage.content.visit(*this);
- NodeRemover().apply(stage, nodes_to_remove);
-}
-
-void DeclarationCombiner::visit(Block &block)
-{
- if(current_block)
- return;
-
- TraversingVisitor::visit(block);
-}
-
-void DeclarationCombiner::visit(FunctionDeclaration &func)
-{
- vector<FunctionDeclaration *> &decls = functions[func.name];
- if(func.definition)
- {
- for(vector<FunctionDeclaration *>::iterator i=decls.begin(); i!=decls.end(); ++i)
- {
- (*i)->definition = func.definition;
- (*i)->body.body.clear();
- }
- }
- decls.push_back(&func);
-}
-
-void DeclarationCombiner::visit(VariableDeclaration &var)
-{
- VariableDeclaration *&ptr = variables[var.name];
- if(ptr)
- {
- ptr->type = var.type;
- if(var.init_expression)
- ptr->init_expression = var.init_expression;
- if(var.layout)
- {
- if(ptr->layout)
- {
- for(vector<Layout::Qualifier>::iterator i=var.layout->qualifiers.begin(); i!=var.layout->qualifiers.end(); ++i)
- {
- bool found = false;
- for(vector<Layout::Qualifier>::iterator j=ptr->layout->qualifiers.begin(); (!found && j!=ptr->layout->qualifiers.end()); ++j)
- if(j->name==i->name)
- {
- j->has_value = i->value;
- j->value = i->value;
- found = true;
- }
-
- if(!found)
- ptr->layout->qualifiers.push_back(*i);
- }
- }
- else
- ptr->layout = var.layout;
- }
- nodes_to_remove.insert(&var);
- }
- else
- ptr = &var;
-}
-
-
-void BlockResolver::enter(Block &block)
-{
- block.parent = current_block;
-}
-
-void BlockResolver::visit(InterfaceBlock &iface)
-{
- /* Block names can't be used for any other identifiers so we can put them
- in the same map with instance names. */
- current_block->interfaces[iface.name] = &iface;
- if(!iface.instance_name.empty())
- current_block->interfaces[iface.instance_name] = &iface;
- TraversingVisitor::visit(iface);
-}
-
-
-VariableResolver::VariableResolver():
- builtins(0),
- members(0),
- record_target(false),
- assignment_target(0),
- self_referencing(false)
-{ }
-
-void VariableResolver::apply(Stage &stage)
-{
- Stage *builtin_stage = get_builtins(stage.type);
- builtins = (builtin_stage ? &builtin_stage->content : 0);
- stage.content.visit(*this);
-}
-
-Block *VariableResolver::next_block(Block &block)
-{
- return block.parent ? block.parent : &block!=builtins ? builtins : 0;
-}
-
-void VariableResolver::enter(Block &block)
-{
- block.variables.clear();
-}
-
-void VariableResolver::visit(VariableReference &var)
-{
- var.declaration = 0;
- members = 0;
- for(Block *block=current_block; block; block=next_block(*block))
- {
- map<string, VariableDeclaration *>::iterator i = block->variables.find(var.name);
- if(i!=block->variables.end())
- var.declaration = i->second;
- else
- {
- const map<string, InterfaceBlock *> &ifaces = block->interfaces;
- for(map<string, InterfaceBlock *>::const_iterator j=ifaces.begin(); (!var.declaration && j!=ifaces.end()); ++j)
- if(j->second->instance_name.empty())
- {
- i = j->second->members.variables.find(var.name);
- if(i!=j->second->members.variables.end())
- var.declaration = i->second;
- }
- }