void Block__link(VM* vm)
{
Block* self = (Block*) circa_block(vm->input(0));
Block* source = (Block*) circa_block(vm->input(1));
block_link_missing_functions(self, source);
}
void bootstrap_kernel()
{
memset(&FUNCS, 0, sizeof(FUNCS));
memset(&TYPES, 0, sizeof(TYPES));
// Allocate a World object.
g_world = alloc_world();
g_world->bootstrapStatus = s_Bootstrapping;
World* world = g_world;
// Instanciate the types that are used by Type.
TYPES.table = create_type_unconstructed();
TYPES.nil = create_type_unconstructed();
TYPES.string = create_type_unconstructed();
TYPES.type = create_type_unconstructed();
// Now we can fully instanciate types.
type_finish_construction(TYPES.table);
type_finish_construction(TYPES.nil);
type_finish_construction(TYPES.string);
type_finish_construction(TYPES.type);
string_setup_type(TYPES.string);
// Initialize remaining global types.
TYPES.any = create_type();
TYPES.blob = create_type();
TYPES.block = create_type();
TYPES.bool_type = create_type();
TYPES.error = create_type();
TYPES.float_type = create_type();
TYPES.int_type = create_type();
TYPES.list = create_type();
TYPES.native_ptr = create_type();
TYPES.table = create_type();
TYPES.opaque_pointer = create_type();
TYPES.symbol = create_type();
TYPES.term = create_type();
TYPES.vm = create_type();
TYPES.void_type = create_type();
for_each_root_type(type_set_root);
any_setup_type(TYPES.any);
blob_setup_type(TYPES.blob);
block_setup_type(TYPES.block);
bool_setup_type(TYPES.bool_type);
hashtable_setup_type(TYPES.table);
int_setup_type(TYPES.int_type);
list_t::setup_type(TYPES.list);
symbol_setup_type(TYPES.symbol);
native_ptr_setup_type(TYPES.native_ptr);
null_setup_type(TYPES.nil);
number_setup_type(TYPES.float_type);
opaque_pointer_setup_type(TYPES.opaque_pointer);
term_setup_type(TYPES.term);
string_setup_type(TYPES.error); // errors are just stored as strings for now
type_t::setup_type(TYPES.type);
void_setup_type(TYPES.void_type);
vm_setup_type(TYPES.vm);
// Finish initializing World (this requires List and Hashtable types)
world_initialize(g_world);
// Create builtins block.
Value builtinsStr;
set_string(&builtinsStr, "builtins");
Block* builtins = create_module(g_world);
module_set_name(world, builtins, &builtinsStr);
g_world->builtins = builtins;
// Create function_decl function.
Term* functionDeclFunction = builtins->appendNew();
rename(functionDeclFunction, "function_decl");
FUNCS.function_decl = functionDeclFunction;
FUNCS.function_decl->function = FUNCS.function_decl;
make_nested_contents(FUNCS.function_decl);
block_set_function_has_nested(nested_contents(FUNCS.function_decl), true);
// Create value function
Term* valueFunc = builtins->appendNew();
rename(valueFunc, "value");
FUNCS.value = valueFunc;
// Create Type type
Term* typeType = builtins->appendNew();
typeType->function = FUNCS.value;
typeType->type = TYPES.type;
term_value(typeType)->value_type = TYPES.type;
term_value(typeType)->value_data.ptr = TYPES.type;
TYPES.type->declaringTerm = typeType;
rename(typeType, "Type");
// Create Any type
Term* anyType = builtins->appendNew();
anyType->function = valueFunc;
anyType->type = TYPES.type;
term_value(anyType)->value_type = TYPES.type;
term_value(anyType)->value_data.ptr = TYPES.any;
TYPES.any->declaringTerm = anyType;
rename(anyType, "any");
// Initialize value() func
valueFunc->type = TYPES.any;
valueFunc->function = FUNCS.function_decl;
make_nested_contents(valueFunc);
block_set_evaluation_empty(nested_contents(valueFunc), true);
// Initialize primitive types (this requires value() function)
create_type_value(builtins, TYPES.blob, "Blob");
create_type_value(builtins, TYPES.bool_type, "bool");
create_type_value(builtins, TYPES.block, "Block");
create_type_value(builtins, TYPES.float_type, "number");
create_type_value(builtins, TYPES.int_type, "int");
create_type_value(builtins, TYPES.list, "List");
create_type_value(builtins, TYPES.opaque_pointer, "opaque_pointer");
create_type_value(builtins, TYPES.native_ptr, "native_ptr");
create_type_value(builtins, TYPES.string, "String");
create_type_value(builtins, TYPES.symbol, "Symbol");
create_type_value(builtins, TYPES.term, "Term");
create_type_value(builtins, TYPES.table, "Table");
create_type_value(builtins, TYPES.void_type, "void");
create_type_value(builtins, TYPES.vm, "VM");
// Create global symbol table (requires Hashtable type)
symbol_initialize_global_table();
// Setup output_placeholder() function, needed to declare functions properly.
FUNCS.output = apply(builtins, FUNCS.function_decl, TermList(), "output_placeholder");
nested_contents(FUNCS.output)->overrides.specializeType = output_placeholder_specializeType;
ca_assert(get_output_type(nested_contents(FUNCS.output), 0) == TYPES.any);
// Now that output_placeholder is created, fix the value() function.
{
Term* output = append_output_placeholder(nested_contents(valueFunc), NULL);
set_declared_type(output, TYPES.any);
finish_building_function(nested_contents(valueFunc));
}
ca_assert(get_output_type(nested_contents(valueFunc), 0) == TYPES.any);
// input_placeholder() is needed before we can declare a function with inputs
FUNCS.input = apply(builtins, FUNCS.function_decl, TermList(), "input_placeholder");
block_set_evaluation_empty(nested_contents(FUNCS.input), true);
// Now that we have input_placeholder(), declare one input on output_placeholder()
apply(nested_contents(FUNCS.output),
FUNCS.input, TermList())->setBoolProp(s_Optional, true);
// Initialize a few more types
TYPES.selector = unbox_type(create_value(builtins, TYPES.type, "Selector"));
list_t::setup_type(TYPES.selector);
// Need the comment() function before parsing stdlib.ca
FUNCS.comment = apply(builtins, FUNCS.function_decl, TermList(), "comment");
// Parse stdlib.ca
parse(builtins, parse_statement_list, find_builtin_file("$builtins/stdlib.ca"));
set_string(block_insert_property(builtins, s_ModuleName), "stdlib");
blob_install_functions(world->builtinPatch);
selector_setup_funcs(world->builtinPatch);
closures_install_functions(world->builtinPatch);
reflection_install_functions(world->builtinPatch);
misc_builtins_setup_functions(world->builtinPatch);
type_install_functions(world->builtinPatch);
vm_install_functions(world->builtinPatch);
block_set_bool_prop(builtins, s_Builtins, true);
ca_assert(FUNCS.declared_state != NULL);
nested_contents(FUNCS.add)->overrides.specializeType = specializeType_add_sub_mult;
nested_contents(FUNCS.sub)->overrides.specializeType = specializeType_add_sub_mult;
nested_contents(FUNCS.mult)->overrides.specializeType = specializeType_add_sub_mult;
nested_contents(FUNCS.div)->overrides.specializeType = specializeType_div;
FUNCS.get_with_symbol = builtins->get("get_with_symbol");
FUNCS.length = builtins->get("length");
FUNCS.list_append = builtins->get("List.append");
FUNCS.native_patch = builtins->get("native_patch");
FUNCS.package = builtins->get("package");
nested_contents(builtins->get("Type.cast"))->overrides.specializeType = Type_cast_specializeType;
// Finish setting up types that are declared in stdlib.ca.
TYPES.color = as_type(builtins->get("Color"));
TYPES.func = as_type(builtins->get("Func"));
TYPES.module_ref = as_type(builtins->get("Module"));
TYPES.vec2 = as_type(builtins->get("Vec2"));
// Fix function_decl now that Func type is available.
{
set_declared_type(append_output_placeholder(nested_contents(FUNCS.function_decl), NULL),
TYPES.func);
set_declared_type(FUNCS.function_decl, TYPES.func);
finish_building_function(nested_contents(FUNCS.function_decl));
}
// Also, now that Func type is available, update all static closures.
for (BlockIterator it(builtins); it; ++it) {
Term* term = *it;
if (is_function(term)) {
set_declared_type(term, TYPES.func);
if (term->owningBlock == builtins)
// Functions at top level must be static closures
update_static_closure_force(term);
else
update_static_closure_if_possible(term);
}
}
nested_contents(FUNCS.list_append)->overrides.specializeType = List__append_specializeType;
#define set_evaluation_empty(name) block_set_evaluation_empty(nested_contents(FUNCS.name), true)
set_evaluation_empty(annotate);
set_evaluation_empty(annotate_block);
set_evaluation_empty(return_func);
set_evaluation_empty(discard);
set_evaluation_empty(break_func);
set_evaluation_empty(continue_func);
set_evaluation_empty(comment);
set_evaluation_empty(extra_output);
set_evaluation_empty(loop_iterator);
set_evaluation_empty(static_error);
#undef set_evaluation_empty
block_link_missing_functions(builtins, builtins);
}
