Ejemplo n.º 1
0
void run_all()
{
    // Check every hosted function, see if it has 'unit_tests' inside it.
    for (BranchIterator it(KERNEL); !it.finished(); ++it) {
        Term* term = *it;
        if (!is_function(term))
            continue;

        Term* unit_tests = function_contents(term)->get("unit_tests");
        if (unit_tests && is_function(unit_tests)) {
            std::string context = "while running " + get_relative_name_at(NULL, unit_tests);
            test_branch_as_assertions_list(function_contents(unit_tests), context);
        }
    }
}
Ejemplo n.º 2
0
void dynamic_method_call(caStack* stack)
{
    INCREMENT_STAT(DynamicMethodCall);

    caValue* args = circa_input(stack, 0);
    caValue* object = circa_index(args, 0);

    // Lookup method
    Term* term = (Term*) circa_caller_term(stack);
    std::string functionName = term->stringProp("syntax:functionName", "");

    // Find and dispatch method
    Term* method = find_method((Block*) circa_caller_block(stack),
        (Type*) circa_type_of(object), functionName.c_str());

    // copy(object, circa_output(stack, 1));

    if (method != NULL) {
        // Grab inputs before pop
        Value inputs;
        swap(args, &inputs);

        pop_frame(stack);
        push_frame_with_inputs(stack, function_contents(method), &inputs);
        return;
    }

    // Method not found. Raise error.
    std::string msg;
    msg += "Method ";
    msg += functionName;
    msg += " not found on type ";
    msg += as_cstring(&circa_type_of(object)->name);
    circa_output_error(stack, msg.c_str());
}
Ejemplo n.º 3
0
void Term__function(caStack* stack)
{
    Term* t = as_term_ref(circa_input(stack, 0));
    if (t == NULL)
        return circa_output_error(stack, "NULL reference");
    set_branch(circa_output(stack, 0), function_contents(as_function(t->function)));
}
Ejemplo n.º 4
0
void write_function(SourceWriter* writer, Term* term)
{
    Function* func = as_function(term);
    write_type_name(writer, function_get_output_type(func, 0));

    writer->write(term->name.c_str());

    int inputCount = count_input_placeholders(function_contents(term));

    writer->write("(");

    for (int i=0; i < inputCount; i++) {
        if (i > 0)
            writer->write(", ");

        Term* placeholder = function_get_input_placeholder(func, i);
        write_type_name(writer, placeholder->type);
        writer->write(" ");
        writer->write(get_unique_name(placeholder));
    }

    writer->write(")");
    writer->newline();
    writer->write("{");
    writer->indent();
    writer->unindent();
    writer->write("}");
    writer->newline();
}
Ejemplo n.º 5
0
void handle_release(caValue* value)
{
    HandleData* container = as_handle(value);
    ca_assert(container != NULL);

    container->refcount--;

    // Release data, if this is the last reference.
    if (container->refcount <= 0) {

        // Find the type's release function (if any), and call it.
        Term* releaseMethod = find_method(NULL, value->value_type, "release");
        if (releaseMethod != NULL) {
            Stack stack;
            push_frame(&stack, function_contents(releaseMethod));
            caValue* inputSlot = get_input(&stack, 0);

            // Don't copy this value, otherwise we'll get in trouble when the copy
            // needs to be released.
            swap(value, inputSlot);

            run_interpreter(&stack);

            swap(value, inputSlot);
        }

        free(container);
    }
}
Ejemplo n.º 6
0
bool is_function_stateful(Term* func)
{
    if (!is_function(func))
        return false;
    Function* attrs = as_function(func);
    if (attrs == NULL)
        return false;

    Branch* branch = function_contents(func);
    return has_state_input(branch);
}
Ejemplo n.º 7
0
bool is_function_stateful(Term* func)
{
    if (!is_function(func))
        return false;
    Function* attrs = as_function(func);
    if (attrs == NULL)
        return false;

    Block* block = function_contents(func);
    return has_state_input(block);
}
Ejemplo n.º 8
0
void Branch__functions(caStack* stack)
{
    Branch* branch = as_branch(circa_input(stack, 0));
    if (branch == NULL)
        return circa_output_error(stack, "NULL branch");

    caValue* output = circa_output(stack, 0);
    set_list(output, 0);

    for (BranchIteratorFlat it(branch); it.unfinished(); it.advance()) {
        Term* term = *it;
        if (is_function(term)) {
            set_branch(list_append(output), function_contents(as_function(term)));
        }
    }
}
Ejemplo n.º 9
0
void test_cast_first_inputs()
{
    // Pass an input of [1] to a branch that expects a compound type.
    // The function will need to cast the [1] to T in order for it to work.

    Branch branch;
    branch.compile("type T { int i }");
    Term* f = branch.compile("def f(T t) -> int { return t.i }");

    Stack context;
    push_frame(&context, function_contents(f));

    caValue* in = circa_input((caStack*) &context, 0);
    circa_set_list(in, 1);
    circa_set_int(circa_index(in, 0), 5);

    run_interpreter(&context);

    test_assert(circa_int(circa_output((caStack*) &context, 0)) == 5);
}
Ejemplo n.º 10
0
void bootstrap_kernel()
{
    // First, instanciate the types that are used by Type.
    TYPES.dict = create_type_uninitialized();
    TYPES.null = create_type_uninitialized();
    TYPES.string = create_type_uninitialized();
    TYPES.type = create_type_uninitialized();

    initialize_type(TYPES.dict);
    initialize_type(TYPES.null);
    initialize_type(TYPES.string);
    initialize_type(TYPES.type);
    string_setup_type(TYPES.string);

    // Initialize remaining global types.
    TYPES.any = create_type();
    TYPES.block = create_type();
    TYPES.bool_type = create_type();
    TYPES.error = create_type();
    TYPES.eval_context = create_type();
    TYPES.float_type = create_type();
    TYPES.function = create_type();
    TYPES.int_type = create_type();
    TYPES.list = create_type();
    TYPES.map = create_type();
    TYPES.opaque_pointer = create_type();
    TYPES.symbol = create_type();
    TYPES.term = create_type();
    TYPES.void_type = create_type();

    any_t::setup_type(TYPES.any);
    block_setup_type(TYPES.block);
    bool_t::setup_type(TYPES.bool_type);
    dict_t::setup_type(TYPES.dict);
    eval_context_t::setup_type(TYPES.eval_context);
    function_t::setup_type(TYPES.function);
    hashtable_setup_type(TYPES.map);
    int_t::setup_type(TYPES.int_type);
    list_t::setup_type(TYPES.list);
    symbol_setup_type(TYPES.symbol);
    null_t::setup_type(TYPES.null);
    number_t::setup_type(TYPES.float_type);
    opaque_pointer_t::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_t::setup_type(TYPES.void_type);

    // Start building World
    g_world = alloc_world();
    g_world->bootstrapStatus = sym_Bootstrapping;

    // Create root Block.
    g_world->root = new Block();
    Block* kernel = g_world->root;

    // Create value function
    Term* valueFunc = kernel->appendNew();
    rename(valueFunc, "value");
    FUNCS.value = valueFunc;

    // Create Type type
    Term* typeType = kernel->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 = kernel->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");

    // Create Function type
    Term* functionType = kernel->appendNew();
    functionType->function = valueFunc;
    functionType->type = TYPES.type;
    TYPES.function->declaringTerm = functionType;
    term_value(functionType)->value_type = TYPES.type;
    term_value(functionType)->value_data.ptr = TYPES.function;
    rename(functionType, "Function");

    // Initialize value() func
    valueFunc->type = TYPES.function;
    valueFunc->function = valueFunc;
    make(TYPES.function, term_value(valueFunc));

    function_t::initialize(TYPES.function, term_value(valueFunc));
    initialize_function(valueFunc);
    as_function(valueFunc)->name = "value";
    block_set_evaluation_empty(function_contents(valueFunc), true);

    // Initialize primitive types (this requires value() function)
    create_type_value(kernel, TYPES.bool_type, "bool");
    create_type_value(kernel, TYPES.block, "Block");
    create_type_value(kernel, TYPES.dict, "Dict");
    create_type_value(kernel, TYPES.float_type, "number");
    create_type_value(kernel, TYPES.int_type, "int");
    create_type_value(kernel, TYPES.list, "List");
    create_type_value(kernel, TYPES.opaque_pointer, "opaque_pointer");
    create_type_value(kernel, TYPES.string, "String");
    create_type_value(kernel, TYPES.symbol, "Symbol");
    create_type_value(kernel, TYPES.term, "Term");
    create_type_value(kernel, TYPES.void_type, "void");
    create_type_value(kernel, TYPES.map, "Map");

    // Finish initializing World (this requires List and Hashtable types)
    world_initialize(g_world);

    // Create global symbol table (requires Hashtable type)
    symbol_initialize_global_table();

    // Setup output_placeholder() function, needed to declare functions properly.
    FUNCS.output = create_value(kernel, TYPES.function, "output_placeholder");
    function_t::initialize(TYPES.function, term_value(FUNCS.output));
    initialize_function(FUNCS.output);
    as_function(FUNCS.output)->name = "output_placeholder";
    as_function(FUNCS.output)->evaluate = NULL;
    as_function(FUNCS.output)->specializeType = output_placeholder_specializeType;
    ca_assert(function_get_output_type(FUNCS.output, 0) == TYPES.any);

    // Fix some holes in value() function
    {
        Function* attrs = as_function(valueFunc);
        Term* output = append_output_placeholder(function_contents(attrs), NULL);
        change_declared_type(output, TYPES.any);
        finish_building_function(function_contents(attrs));
    }

    ca_assert(function_get_output_type(valueFunc, 0) == TYPES.any);

    // input_placeholder() is needed before we can declare a function with inputs
    FUNCS.input = import_function(kernel, NULL, "input_placeholder() -> any");
    block_set_evaluation_empty(function_contents(FUNCS.input), true);

    // Now that we have input_placeholder() let's declare one input on output_placeholder()
    apply(function_contents(as_function(FUNCS.output)),
        FUNCS.input, TermList())->setBoolProp("optional", true);

    namespace_function::early_setup(kernel);

    // Setup declare_field() function, needed to represent compound types.
    FUNCS.declare_field = import_function(kernel, NULL, "declare_field() -> any");

    // Initialize a few more types
    Term* set_type = create_value(kernel, TYPES.type, "Set");
    set_t::setup_type(unbox_type(set_type));

    Term* indexableType = create_value(kernel, TYPES.type, "Indexable");
    indexable_t::setup_type(unbox_type(indexableType));

    TYPES.selector = unbox_type(create_value(kernel, TYPES.type, "Selector"));
    list_t::setup_type(TYPES.selector);

    control_flow_setup_funcs(kernel);
    selector_setup_funcs(kernel);
    loop_setup_functions(kernel);

    // Setup all the builtin functions defined in src/functions
    setup_builtin_functions(kernel);

    FUNCS.section_block = import_function(kernel, NULL, "def section_block() -> any");
    as_function(FUNCS.section_block)->formatSource = section_block_formatSource;

    // Create IMPLICIT_TYPES (deprecated)
    type_initialize_kernel(kernel);

    // Now we can build derived functions

    // Create overloaded functions
    FUNCS.add = create_overloaded_function(kernel, "add(any a,any b) -> any");
    append_to_overloaded_function(FUNCS.add, FUNCS.add_i);
    append_to_overloaded_function(FUNCS.add, FUNCS.add_f);

    Term* less_than = create_overloaded_function(kernel, "less_than(any a,any b) -> bool");
    append_to_overloaded_function(less_than, kernel->get("less_than_i"));
    append_to_overloaded_function(less_than, kernel->get("less_than_f"));

    Term* less_than_eq = create_overloaded_function(kernel, "less_than_eq(any a,any b) -> bool");
    append_to_overloaded_function(less_than_eq, kernel->get("less_than_eq_i"));
    append_to_overloaded_function(less_than_eq, kernel->get("less_than_eq_f"));

    Term* greater_than = create_overloaded_function(kernel, "greater_than(any a,any b) -> bool");
    append_to_overloaded_function(greater_than, kernel->get("greater_than_i"));
    append_to_overloaded_function(greater_than, kernel->get("greater_than_f"));

    Term* greater_than_eq = create_overloaded_function(kernel, "greater_than_eq(any a,any b) -> bool");
    append_to_overloaded_function(greater_than_eq, kernel->get("greater_than_eq_i"));
    append_to_overloaded_function(greater_than_eq, kernel->get("greater_than_eq_f"));

    Term* max_func = create_overloaded_function(kernel, "max(any a,any b) -> any");
    append_to_overloaded_function(max_func, kernel->get("max_i"));
    append_to_overloaded_function(max_func, kernel->get("max_f"));

    Term* min_func = create_overloaded_function(kernel, "min(any a,any b) -> any");
    append_to_overloaded_function(min_func, kernel->get("min_i"));
    append_to_overloaded_function(min_func, kernel->get("min_f"));

    Term* remainder_func = create_overloaded_function(kernel, "remainder(any a,any b) -> any");
    append_to_overloaded_function(remainder_func, kernel->get("remainder_i"));
    append_to_overloaded_function(remainder_func, kernel->get("remainder_f"));

    Term* mod_func = create_overloaded_function(kernel, "mod(any a,any b) -> any");
    append_to_overloaded_function(mod_func, kernel->get("mod_i"));
    append_to_overloaded_function(mod_func, kernel->get("mod_f"));

    FUNCS.mult = create_overloaded_function(kernel, "mult(any a,any b) -> any");
    append_to_overloaded_function(FUNCS.mult, kernel->get("mult_i"));
    append_to_overloaded_function(FUNCS.mult, kernel->get("mult_f"));

    FUNCS.neg = create_overloaded_function(kernel, "neg(any n) -> any");
    append_to_overloaded_function(FUNCS.neg, kernel->get("neg_i"));
    append_to_overloaded_function(FUNCS.neg, kernel->get("neg_f"));
    as_function(FUNCS.neg)->formatSource = neg_function::formatSource;

    FUNCS.sub = create_overloaded_function(kernel, "sub(any a,any b) -> any");
    append_to_overloaded_function(FUNCS.sub, kernel->get("sub_i"));
    append_to_overloaded_function(FUNCS.sub, kernel->get("sub_f"));

    // Create vectorized functions
    Term* add_v = create_function(kernel, "add_v");
    create_function_vectorized_vv(function_contents(add_v), FUNCS.add, TYPES.list, TYPES.list);
    Term* add_s = create_function(kernel, "add_s");
    create_function_vectorized_vs(function_contents(add_s), FUNCS.add, TYPES.list, TYPES.any);

    append_to_overloaded_function(FUNCS.add, add_v);
    append_to_overloaded_function(FUNCS.add, add_s);

    Term* sub_v = create_function(kernel, "sub_v");
    create_function_vectorized_vv(function_contents(sub_v), FUNCS.sub, TYPES.list, TYPES.list);
    Term* sub_s = create_function(kernel, "sub_s");
    create_function_vectorized_vs(function_contents(sub_s), FUNCS.sub, TYPES.list, TYPES.any);
    
    append_to_overloaded_function(FUNCS.sub, sub_v);
    append_to_overloaded_function(FUNCS.sub, sub_s);

    // Create vectorized mult() functions
    Term* mult_v = create_function(kernel, "mult_v");
    create_function_vectorized_vv(function_contents(mult_v), FUNCS.mult, TYPES.list, TYPES.list);
    Term* mult_s = create_function(kernel, "mult_s");
    create_function_vectorized_vs(function_contents(mult_s), FUNCS.mult, TYPES.list, TYPES.any);

    append_to_overloaded_function(FUNCS.mult, mult_v);
    append_to_overloaded_function(FUNCS.mult, mult_s);

    Term* div_s = create_function(kernel, "div_s");
    create_function_vectorized_vs(function_contents(div_s), FUNCS.div, TYPES.list, TYPES.any);

    // Need dynamic_method before any hosted functions
    FUNCS.dynamic_method = import_function(kernel, dynamic_method_call,
            "def dynamic_method(any inputs :multiple) -> any");

    // Load the standard library from stdlib.ca
    parser::compile(kernel, parser::statement_list, STDLIB_CA_TEXT);

    // Install C functions
    static const ImportRecord records[] = {
        {"assert", hosted_assert},
        {"cppbuild:build_module", cppbuild_function::build_module},
        {"file:version", file__version},
        {"file:exists", file__exists},
        {"file:read_text", file__read_text},
        {"length", length},
        {"from_string", from_string},
        {"to_string_repr", to_string_repr},
        {"call_actor", call_actor_func},
        {"send", send_func},
        {"test_spy", test_spy},
        {"test_oracle", test_oracle},
        {"refactor:rename", refactor__rename},
        {"refactor:change_function", refactor__change_function},
        {"reflect:this_block", reflect__this_block},
        {"reflect:kernel", reflect__kernel},
        {"sys:module_search_paths", sys__module_search_paths},
        {"sys:perf_stats_reset", sys__perf_stats_reset},
        {"sys:perf_stats_dump", sys__perf_stats_dump},

        {"Dict.count", Dict__count},
        {"Dict.get", Dict__get},
        {"Dict.set", Dict__set},

        {"Function.block", Function__block},

        {"empty_list", empty_list},
        {"List.append", List__append},
        {"List.concat", List__concat},
        {"List.resize", List__resize},
        {"List.count", List__count},
        {"List.insert", List__insert},
        {"List.length", List__length},
        {"List.join", List__join},
        {"List.slice", List__slice},
        {"List.get", List__get},
        {"List.set", List__set},

        {"Map.contains", Map__contains},
        {"Map.remove", Map__remove},
        {"Map.get", Map__get},
        {"Map.set", Map__set},
        {"Map.insertPairs", Map__insertPairs},

        {"Mutable.get", Mutable__get},
        {"Mutable.set", Mutable__set},

        {"String.char_at", String__char_at},
        {"String.ends_with", String__ends_with},
        {"String.length", String__length},
        {"String.substr", String__substr},
        {"String.slice", String__slice},
        {"String.starts_with", String__starts_with},
        {"String.split", String__split},
        {"String.to_camel_case", String__to_camel_case},
        {"String.to_upper", String__to_upper},
        {"String.to_lower", String__to_lower},
        
        {"Type.name", Type__name},
        {"Type.property", Type__property},
        {"Type.declaringTerm", Type__declaringTerm},
        {"type", typeof_func},
        {"static_type", static_type_func},

        {NULL, NULL}
    };

    install_function_list(kernel, records);

    closures_install_functions(kernel);
    modules_install_functions(kernel);
    reflection_install_functions(kernel);
    interpreter_install_functions(kernel);

    // Fetch refereneces to certain builtin funcs.
    FUNCS.block_dynamic_call = kernel->get("Block.call");
    FUNCS.dll_patch = kernel->get("sys:dll_patch");
    FUNCS.dynamic_call = kernel->get("dynamic_call");
    FUNCS.has_effects = kernel->get("has_effects");
    FUNCS.length = kernel->get("length");
    FUNCS.list_append = kernel->get("List.append");
    FUNCS.native_patch = kernel->get("native_patch");
    FUNCS.not_func = kernel->get("not");
    FUNCS.output_explicit = kernel->get("output");
    FUNCS.type = kernel->get("type");

    block_set_has_effects(nested_contents(FUNCS.has_effects), true);

    // Finish setting up some hosted types
    TYPES.actor = as_type(kernel->get("Actor"));
    TYPES.color = as_type(kernel->get("Color"));
    TYPES.closure = as_type(kernel->get("Closure"));
    callable_t::setup_type(as_type(kernel->get("Callable")));
    TYPES.frame = as_type(kernel->get("Frame"));
    TYPES.point = as_type(kernel->get("Point"));
    TYPES.file_signature = as_type(kernel->get("FileSignature"));

    Type* mutableType = as_type(kernel->get("Mutable"));
    circa_setup_object_type(mutableType, sizeof(Value), MutableRelease);
    mutableType->initialize = MutableInitialize;

    color_t::setup_type(TYPES.color);

    as_function(FUNCS.list_append)->specializeType = List__append_specializeType;
}