}
+TypeResolver::TypeResolver():
+ stage(0)
+{ }
+
+void TypeResolver::apply(Stage &s)
+{
+ stage = &s;
+ s.types.clear();
+ s.content.visit(*this);
+}
+
+TypeDeclaration *TypeResolver::resolve_type(const string &name)
+{
+ map<string, TypeDeclaration *>::iterator i = stage->types.find(name);
+ if(i!=stage->types.end())
+ {
+ map<TypeDeclaration *, TypeDeclaration *>::iterator j = alias_map.find(i->second);
+ return (j!=alias_map.end() ? j->second : i->second);
+ }
+ else
+ return 0;
+}
+
+void TypeResolver::visit(BasicTypeDeclaration &type)
+{
+ type.base_type = resolve_type(type.base);
+
+ if(type.kind==BasicTypeDeclaration::VECTOR && type.base_type)
+ if(BasicTypeDeclaration *basic_base = dynamic_cast<BasicTypeDeclaration *>(type.base_type))
+ if(basic_base->kind==BasicTypeDeclaration::VECTOR)
+ {
+ type.kind = BasicTypeDeclaration::MATRIX;
+ type.size |= basic_base->size<<16;
+ }
+
+ if(type.kind==BasicTypeDeclaration::ALIAS && type.base_type)
+ alias_map[&type] = type.base_type;
+
+ stage->types.insert(make_pair(type.name, &type));
+}
+
+void TypeResolver::visit(ImageTypeDeclaration &type)
+{
+ type.base_type = resolve_type(type.base);
+ stage->types.insert(make_pair(type.name, &type));
+}
+
+void TypeResolver::visit(StructDeclaration &strct)
+{
+ stage->types.insert(make_pair(strct.name, &strct));
+ TraversingVisitor::visit(strct);
+}
+
+void TypeResolver::visit(VariableDeclaration &var)
+{
+ var.type_declaration = resolve_type(var.type);
+}
+
+void TypeResolver::visit(FunctionDeclaration &func)
+{
+ func.return_type_declaration = resolve_type(func.return_type);
+ TraversingVisitor::visit(func);
+}
+
+
VariableResolver::VariableResolver():
stage(0),
r_members(0),
void VariableResolver::apply(Stage &s)
{
stage = &s;
- s.types.clear();
s.interface_blocks.clear();
s.content.visit(*this);
}
var.declaration = i->second;
}
- if(var.declaration)
- {
- if(var.declaration->type_declaration)
- r_members = &var.declaration->type_declaration->members.variables;
- }
- else
+ if(!var.declaration)
{
const map<string, InterfaceBlock *> &blocks = stage->interface_blocks;
- map<string, InterfaceBlock *>::const_iterator i = blocks.find(var.name);
- if(i!=blocks.end() && i->second->instance_name==var.name)
+ 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->source = var.source;
+ r_iface_ref->line = var.line;
r_iface_ref->name = var.name;
r_iface_ref->declaration = i->second;
r_members = &i->second->members.variables;
}
}
+ if(var.declaration)
+ if(StructDeclaration *strct = dynamic_cast<StructDeclaration *>(var.declaration->type_declaration))
+ r_members = &strct->members.variables;
+
if(record_target)
{
if(r_assignment_target)
iface.declaration = 0;
for(Block *block=current_block; block; block=block->parent)
{
- map<string, InterfaceBlock *>::iterator i = stage->interface_blocks.find(iface.name);
+ map<string, InterfaceBlock *>::iterator i = stage->interface_blocks.find("_"+iface.name);
if(i!=stage->interface_blocks.end())
{
iface.declaration = i->second;
if(i!=r_members->end())
{
memacc.declaration = i->second;
- if(i->second->type_declaration)
- r_members = &i->second->type_declaration->members.variables;
+ if(StructDeclaration *strct = dynamic_cast<StructDeclaration *>(i->second->type_declaration))
+ r_members = &strct->members.variables;
}
else
r_members = 0;
r_iface_ref = 0;
}
-void VariableResolver::visit(StructDeclaration &strct)
-{
- TraversingVisitor::visit(strct);
- stage->types.insert(make_pair(strct.name, &strct));
-}
-
void VariableResolver::visit(VariableDeclaration &var)
{
- map<string, StructDeclaration *>::iterator i = stage->types.find(var.type);
- if(i!=stage->types.end())
- var.type_declaration = i->second;
-
if(!block_interface.empty() && var.interface.empty())
var.interface = block_interface;
void VariableResolver::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. */
- stage->interface_blocks.insert(make_pair(iface.name, &iface));
+ /* Block names can be reused in different interfaces. Prefix the name with
+ the first character of the interface to avoid conflicts. */
+ stage->interface_blocks.insert(make_pair(iface.interface+iface.name, &iface));
if(!iface.instance_name.empty())
- stage->interface_blocks.insert(make_pair(iface.instance_name, &iface));
+ stage->interface_blocks.insert(make_pair("_"+iface.instance_name, &iface));
SetForScope<string> set_iface(block_interface, iface.interface);
TraversingVisitor::visit(iface);
InterfaceBlock *InterfaceGenerator::generate_interface(InterfaceBlock &out_block)
{
- if(stage->interface_blocks.count(out_block.name))
+ if(stage->interface_blocks.count("in"+out_block.name))
return 0;
InterfaceBlock *in_block = new InterfaceBlock;
}
iface_target_block->body.insert(iface_insert_point, in_block);
- stage->interface_blocks.insert(make_pair(in_block->name, in_block));
+ stage->interface_blocks.insert(make_pair("in"+in_block->name, in_block));
if(!in_block->instance_name.empty())
- stage->interface_blocks.insert(make_pair(in_block->instance_name, in_block));
+ stage->interface_blocks.insert(make_pair("_"+in_block->instance_name, in_block));
SetFlag set_scope(function_scope, false);
SetForScope<Block *> set_block(current_block, &stage->content);
}
const map<string, InterfaceBlock *> &prev_blocks = stage->previous->interface_blocks;
- map<string, InterfaceBlock *>::const_iterator j = prev_blocks.find(var.name);
- if(j!=prev_blocks.end() && j->second->interface=="out" && j->second->instance_name==var.name)
+ map<string, InterfaceBlock *>::const_iterator j = prev_blocks.find("_"+var.name);
+ if(j!=prev_blocks.end() && j->second->interface=="out")
{
generate_interface(*j->second);
+ /* Let VariableResolver convert the variable reference into an interface
+ block reference. */
return;
}
const map<string, VariableDeclaration *> &linked_vars = iface_block->linked_block->members.variables;
map<string, VariableDeclaration *>::const_iterator i = linked_vars.find(var.name);
if(i!=linked_vars.end())
+ {
var.linked_declaration = i->second;
+ var.linked_declaration->linked_declaration = &var;
+ }
}
return;
}
if(!iface.linked_block && stage->previous)
{
const map<string, InterfaceBlock *> &prev_blocks = stage->previous->interface_blocks;
- map<string, InterfaceBlock *>::const_iterator i = prev_blocks.find(iface.name);
- if(i!=prev_blocks.end() && i->second->interface=="out" && i->second->name==iface.name)
+ map<string, InterfaceBlock *>::const_iterator i = prev_blocks.find("out"+iface.name);
+ if(i!=prev_blocks.end())
{
iface.linked_block = i->second;
i->second->linked_block = &iface;