- else
- ptr->layout = var.layout;
- }
- remove_node = true;
- }
- else
- ptr = &var;
-}
-
-
-VariableResolver::VariableResolver():
- anonymous(false),
- record_target(false),
- assignment_target(0),
- self_referencing(false)
-{ }
-
-void VariableResolver::apply(Stage &s)
-{
- SetForScope<Stage *> set(stage, &s);
- Stage *builtins = get_builtins(stage->type);
- if(builtins)
- blocks.push_back(&builtins->content);
- stage->content.visit(*this);
- if(builtins)
- blocks.pop_back();
-}
-
-void VariableResolver::visit(Block &block)
-{
- blocks.push_back(&block);
- block.variables.clear();
- TraversingVisitor::visit(block);
- blocks.pop_back();
-}
-
-void VariableResolver::visit(VariableReference &var)
-{
- var.declaration = 0;
- type = 0;
- for(vector<Block *>::iterator i=blocks.end(); i!=blocks.begin(); )
- {
- --i;
- map<string, VariableDeclaration *>::iterator j = (*i)->variables.find(var.name);
- if(j!=(*i)->variables.end())
- {
- var.declaration = j->second;
- type = j->second->type_declaration;
- break;
- }
- }
-
- if(record_target)
- {
- if(assignment_target)
- {
- record_target = false;
- assignment_target = 0;
- }
- else
- assignment_target = var.declaration;
- }
- else if(var.declaration && var.declaration==assignment_target)
- self_referencing = true;
-}
-
-void VariableResolver::visit(MemberAccess &memacc)
-{
- type = 0;
- TraversingVisitor::visit(memacc);
- memacc.declaration = 0;
- if(type)
- {
- map<string, VariableDeclaration *>::iterator i = type->members.variables.find(memacc.member);
- if(i!=type->members.variables.end())
- {
- memacc.declaration = i->second;
- type = i->second->type_declaration;
- }
- else
- type = 0;
- }
-}
-
-void VariableResolver::visit(BinaryExpression &binary)
-{
- if(binary.oper=="[")
- {
- {
- SetForScope<bool> set(record_target, false);
- binary.right->visit(*this);
- }
- type = 0;
- binary.left->visit(*this);
- }
- else
- {
- TraversingVisitor::visit(binary);
- type = 0;
- }
-}
-
-void VariableResolver::visit(Assignment &assign)
-{
- {
- SetFlag set(record_target);
- assignment_target = 0;
- assign.left->visit(*this);
- }
-
- self_referencing = false;
- assign.right->visit(*this);
-
- assign.self_referencing = (self_referencing || assign.oper!="=");
- assign.target_declaration = assignment_target;
-}
-
-void VariableResolver::visit(StructDeclaration &strct)
-{
- TraversingVisitor::visit(strct);
- blocks.back()->types[strct.name] = &strct;
-}
-
-void VariableResolver::visit(VariableDeclaration &var)
-{
- for(vector<Block *>::iterator i=blocks.end(); i!=blocks.begin(); )
- {
- --i;
- map<string, StructDeclaration *>::iterator j = (*i)->types.find(var.type);
- if(j!=(*i)->types.end())
- var.type_declaration = j->second;