namespace GL {
namespace SL {
-DeclarationCombiner::DeclarationCombiner():
- toplevel(true)
-{ }
-
void DeclarationCombiner::apply(Stage &stage)
{
- visit(stage.content);
+ stage.content.visit(*this);
NodeRemover().apply(stage, nodes_to_remove);
}
void DeclarationCombiner::visit(Block &block)
{
- if(!toplevel)
+ if(current_block)
return;
- SetForScope<bool> set(toplevel, false);
TraversingVisitor::visit(block);
}
{
bool found = false;
for(vector<Layout::Qualifier>::iterator j=ptr->layout->qualifiers.begin(); (!found && j!=ptr->layout->qualifiers.end()); ++j)
- if(j->identifier==i->identifier)
+ if(j->name==i->name)
{
+ j->has_value = i->value;
j->value = i->value;
found = true;
}
}
+void BlockResolver::enter(Block &block)
+{
+ block.parent = current_block;
+}
+
+void BlockResolver::visit(InterfaceBlock &iface)
+{
+ current_block->interfaces.insert(&iface);
+ TraversingVisitor::visit(iface);
+}
+
+
VariableResolver::VariableResolver():
- anonymous(false),
record_target(false),
assignment_target(0),
self_referencing(false)
void VariableResolver::apply(Stage &stage)
{
- Stage *builtins = get_builtins(stage.type);
- if(builtins)
- blocks.push_back(&builtins->content);
- visit(stage.content);
- if(builtins)
- blocks.pop_back();
+ Stage *builtin_stage = get_builtins(stage.type);
+ builtins = (builtin_stage ? &builtin_stage->content : 0);
+ stage.content.visit(*this);
}
-void VariableResolver::visit(Block &block)
+Block *VariableResolver::next_block(Block &block)
+{
+ return block.parent ? block.parent : &block!=builtins ? builtins : 0;
+}
+
+void VariableResolver::enter(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(); )
+ for(Block *block=current_block; block; block=next_block(*block))
{
- --i;
- map<string, VariableDeclaration *>::iterator j = (*i)->variables.find(var.name);
- if(j!=(*i)->variables.end())
+ map<string, VariableDeclaration *>::iterator i = block->variables.find(var.name);
+ if(i!=block->variables.end())
+ var.declaration = i->second;
+ else
{
- var.declaration = j->second;
- type = j->second->type_declaration;
+ const set<InterfaceBlock *> &ifaces = block->interfaces;
+ for(set<InterfaceBlock *>::const_iterator j=ifaces.begin(); (!var.declaration && j!=ifaces.end()); ++j)
+ {
+ i = (*j)->members.variables.find(var.name);
+ if(i!=(*j)->members.variables.end())
+ var.declaration = i->second;
+ }
+ }
+
+ if(var.declaration)
+ {
+ type = var.declaration->type_declaration;
break;
}
}
void VariableResolver::visit(StructDeclaration &strct)
{
TraversingVisitor::visit(strct);
- blocks.back()->types[strct.name] = &strct;
+ current_block->types[strct.name] = &strct;
}
void VariableResolver::visit(VariableDeclaration &var)
{
- for(vector<Block *>::iterator i=blocks.end(); i!=blocks.begin(); )
+ for(Block *block=current_block; block; block=next_block(*block))
{
- --i;
- map<string, StructDeclaration *>::iterator j = (*i)->types.find(var.type);
- if(j!=(*i)->types.end())
+ map<string, StructDeclaration *>::iterator j = block->types.find(var.type);
+ if(j!=block->types.end())
var.type_declaration = j->second;
}
var.interface = block_interface;
TraversingVisitor::visit(var);
- blocks.back()->variables[var.name] = &var;
- if(anonymous && blocks.size()>1)
- blocks[blocks.size()-2]->variables[var.name] = &var;
+ current_block->variables[var.name] = &var;
}
void VariableResolver::visit(InterfaceBlock &iface)
{
- SetFlag set(anonymous);
- SetForScope<string> set2(block_interface, iface.interface);
+ SetForScope<string> set_iface(block_interface, iface.interface);
TraversingVisitor::visit(iface);
}
InterfaceGenerator::InterfaceGenerator():
- stage(0),
- scope_level(0),
- current_block(0)
+ stage(0)
{ }
string InterfaceGenerator::get_out_prefix(Stage::Type type)
if(stage->previous)
in_prefix = get_out_prefix(stage->previous->type);
out_prefix = get_out_prefix(stage->type);
- visit(s.content);
+ s.content.visit(*this);
NodeRemover().apply(s, nodes_to_remove);
}
void InterfaceGenerator::visit(Block &block)
{
- SetForScope<unsigned> set(scope_level, scope_level+1);
SetForScope<Block *> set_block(current_block, &block);
for(NodeList<Statement>::iterator i=block.body.begin(); i!=block.body.end(); ++i)
{
assignment_insert_point = i;
- if(scope_level==1)
+ if(&block==&stage->content)
iface_insert_point = i;
(*i)->visit(*this);
bool InterfaceGenerator::generate_interface(VariableDeclaration &var, const string &iface, const string &name)
{
- const map<string, VariableDeclaration *> &stage_vars = (iface=="in" ? stage->in_variables : stage->out_variables);
- if(stage_vars.count(name))
+ if(stage->content.variables.count(name))
return false;
VariableDeclaration* iface_var = new VariableDeclaration;
if(iface_var->array)
iface_var->array_size = var.array_size;
if(iface=="in")
- iface_var->linked_declaration = &var;
- stage->content.body.insert(iface_insert_point, iface_var);
{
- SetForScope<unsigned> set_level(scope_level, 1);
- SetForScope<Block *> set_block(current_block, &stage->content);
- iface_var->visit(*this);
+ iface_var->linked_declaration = &var;
+ var.linked_declaration = iface_var;
}
+ stage->content.body.insert(iface_insert_point, iface_var);
+ stage->content.variables[name] = iface_var;
return true;
}
{
if(var.declaration || !stage->previous)
return;
+ /* Don't pull a variable from previous stage if we just generated an out
+ interface in this stage */
+ if(stage->content.variables.count(var.name))
+ return;
- const map<string, VariableDeclaration *> &prev_out = stage->previous->out_variables;
- map<string, VariableDeclaration *>::const_iterator i = prev_out.find(var.name);
- if(i==prev_out.end())
- i = prev_out.find(in_prefix+var.name);
- if(i!=prev_out.end())
+ const map<string, VariableDeclaration *> &prev_vars = stage->previous->content.variables;
+ map<string, VariableDeclaration *>::const_iterator i = prev_vars.find(var.name);
+ if(i==prev_vars.end() || i->second->interface!="out")
+ i = prev_vars.find(in_prefix+var.name);
+ if(i!=prev_vars.end() && i->second->interface=="out")
{
generate_interface(*i->second, "in", i->second->name);
var.name = i->second->name;
{
if(var.interface=="out")
{
- if(scope_level==1)
- stage->out_variables[var.name] = &var;
- else if(generate_interface(var, "out", change_prefix(var.name, string())))
+ if(current_block!=&stage->content && generate_interface(var, "out", change_prefix(var.name, string())))
{
nodes_to_remove.insert(&var);
if(var.init_expression)
}
else if(var.interface=="in")
{
- stage->in_variables[var.name] = &var;
- if(var.linked_declaration)
- var.linked_declaration->linked_declaration = &var;
- else if(stage->previous)
+ if(!var.linked_declaration && stage->previous)
{
- const map<string, VariableDeclaration *> &prev_out = stage->previous->out_variables;
- map<string, VariableDeclaration *>::const_iterator i = prev_out.find(var.name);
- if(i!=prev_out.end())
+ const map<string, VariableDeclaration *> &prev_vars = stage->previous->content.variables;
+ map<string, VariableDeclaration *>::const_iterator i = prev_vars.find(var.name);
+ if(i!=prev_vars.end() && i->second->interface=="out")
{
var.linked_declaration = i->second;
i->second->linked_declaration = &var;
TraversingVisitor::visit(var);
}
+void InterfaceGenerator::visit(FunctionDeclaration &func)
+{
+ // Skip parameters because they're not useful here
+ func.body.visit(*this);
+}
+
void InterfaceGenerator::visit(Passthrough &pass)
{
vector<VariableDeclaration *> pass_vars;
- for(map<string, VariableDeclaration *>::const_iterator i=stage->in_variables.begin(); i!=stage->in_variables.end(); ++i)
- pass_vars.push_back(i->second);
+ for(map<string, VariableDeclaration *>::const_iterator i=stage->content.variables.begin(); i!=stage->content.variables.end(); ++i)
+ if(i->second->interface=="in")
+ pass_vars.push_back(i->second);
if(stage->previous)
{
- const map<string, VariableDeclaration *> &prev_out = stage->previous->out_variables;
- for(map<string, VariableDeclaration *>::const_iterator i=prev_out.begin(); i!=prev_out.end(); ++i)
+ 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)
DeclarationReorderer::DeclarationReorderer():
- scope_level(0),
kind(NO_DECLARATION)
{ }
void DeclarationReorderer::visit(Block &block)
{
- SetForScope<unsigned> set(scope_level, scope_level+1);
- if(scope_level>1)
+ if(block.parent)
return TraversingVisitor::visit(block);
NodeList<Statement>::iterator struct_insert_point = block.body.end();
projects / libs / gl.git / blobdiff