make objects initialisation through type.__call__

This commit is contained in:
William Bell
2025-08-09 17:00:57 +01:00
parent 0635ba8517
commit 345c4ce841
7 changed files with 124 additions and 59 deletions

View File

@@ -13,10 +13,12 @@
#include <gmp.h>
typedef struct ArErr ArErr;
typedef struct RuntimeState RuntimeState;
typedef struct ArgonObject ArgonObject; // forward declaration
typedef ArgonObject* (*native_fn)(size_t argc, ArgonObject**argv, ArErr*err);
typedef ArgonObject *(*native_fn)(size_t argc, ArgonObject **argv, ArErr *err,
RuntimeState *state);
typedef enum ArgonType {
TYPE_NULL,
@@ -29,7 +31,6 @@ typedef enum ArgonType {
TYPE_OBJECT,
} ArgonType;
typedef struct {
void *data;
size_t capacity;
@@ -66,11 +67,10 @@ struct argon_function_struct {
uint64_t column;
};
// full definition of ArgonObject (no typedef again!)
struct ArgonObject {
ArgonType type;
ArgonType child_type;
struct hashmap_GC *dict;
union {
mpq_t as_number;

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@@ -70,41 +70,50 @@ double get_memory_usage_mb() {
}
#endif
ArErr run_call(Translated *translated, RuntimeState *state) {
ArgonObject *original_object = state->call_instance->to_call;
ArgonObject *argon_call(ArgonObject *original_object, size_t argc,
ArgonObject **argv, ArErr *err, RuntimeState *state) {
*err = run_call(original_object, argc, argv, state);
return state->registers[0];
}
ArErr run_call(ArgonObject *original_object, size_t argc, ArgonObject **argv,
RuntimeState *state) {
ArgonObject *object = original_object;
if (object->type != TYPE_FUNCTION && object->type != TYPE_NATIVE_FUNCTION &&
object->type != TYPE_METHOD) {
ArgonObject *call_method = get_field_for_class(
get_field(object, "__class__", false), "__call__", original_object);
ArgonObject *call_method =
get_field_for_class(get_field(object, "__class__", false, false),
"__call__", original_object);
if (call_method) {
object = call_method;
}
}
bool to_free_args = false;
if (object->type == TYPE_METHOD) {
ArgonObject *binding_object = get_field(object, "__binding__", false);
ArgonObject *binding_object =
get_field(object, "__binding__", false, false);
if (binding_object) {
ArgonObject **new_call_args = malloc(
sizeof(ArgonObject *) * (state->call_instance->args_length + 1));
ArgonObject **new_call_args = malloc(sizeof(ArgonObject *) * (argc + 1));
new_call_args[0] = binding_object;
if (state->call_instance->args_length > 0) {
memcpy(new_call_args + 1, state->call_instance->args,
state->call_instance->args_length);
if (argc > 0) {
memcpy(new_call_args + 1, argv, argc * sizeof(ArgonObject *));
}
free(state->call_instance->args);
state->call_instance->args = new_call_args;
state->call_instance->args_length++;
argv = new_call_args;
argc++;
to_free_args = true;
}
ArgonObject *function_object = get_field(object, "__function__", false);
ArgonObject *function_object =
get_field(object, "__function__", false, false);
if (function_object)
object = function_object;
}
if (object->type == TYPE_FUNCTION) {
if (state->call_instance->args_length !=
object->value.argon_fn.number_of_parameters) {
ArgonObject *type_object_name = get_field_for_class(
get_field(object, "__class__", false), "__name__", original_object);
ArgonObject *object_name = get_field_for_class(object, "__name__", original_object);
if (argc != object->value.argon_fn.number_of_parameters) {
ArgonObject *type_object_name =
get_field_for_class(get_field(object, "__class__", false, false),
"__name__", original_object);
ArgonObject *object_name =
get_field_for_class(object, "__name__", original_object);
return create_err(
state->source_location.line, state->source_location.column,
state->source_location.length, state->path, "Type Error",
@@ -112,19 +121,20 @@ ArErr run_call(Translated *translated, RuntimeState *state) {
(int)type_object_name->value.as_str.length,
type_object_name->value.as_str.data,
(int)object_name->value.as_str.length, object_name->value.as_str.data,
object->value.argon_fn.number_of_parameters,
state->call_instance->args_length);
object->value.argon_fn.number_of_parameters, argc);
}
Stack *scope = create_scope(object->value.argon_fn.stack);
for (size_t i = 0; i < state->call_instance->args_length; i++) {
for (size_t i = 0; i < argc; i++) {
struct string_struct key = object->value.argon_fn.parameters[i];
ArgonObject *value = (state->call_instance->args)[i];
ArgonObject *value = argv[i];
uint64_t hash = siphash64_bytes(key.data, key.length, siphash_key);
hashmap_insert_GC(scope->scope, hash,
new_string_object(key.data, key.length), value, 0);
}
if (to_free_args)
free(argv);
StackFrame new_stackFrame = {
{translated->registerCount,
{object->value.argon_fn.translated.registerCount,
NULL,
{object->value.argon_fn.bytecode, sizeof(uint8_t),
object->value.argon_fn.bytecode_length,
@@ -169,8 +179,9 @@ ArErr run_call(Translated *translated, RuntimeState *state) {
return no_err;
} else if (object->type == TYPE_NATIVE_FUNCTION) {
ArErr err = no_err;
state->registers[0] = object->value.native_fn(
state->call_instance->args_length, state->call_instance->args, &err);
state->registers[0] = object->value.native_fn(argc, argv, &err, state);
if (to_free_args)
free(argv);
if (err.exists) {
err.line = state->source_location.line;
err.column = state->source_location.column;
@@ -179,8 +190,11 @@ ArErr run_call(Translated *translated, RuntimeState *state) {
}
return err;
}
ArgonObject *type_object_name = get_field_for_class(
get_field(original_object, "__class__", false), "__name__", original_object);
if (to_free_args)
free(argv);
ArgonObject *type_object_name =
get_field_for_class(get_field(original_object, "__class__", false, false),
"__name__", original_object);
return create_err(state->source_location.line, state->source_location.column,
state->source_location.length, state->path, "Type Error",
"'%.*s' object is not callable",

View File

@@ -8,6 +8,10 @@
#define runtime_call_H
#include "../runtime.h"
ArErr run_call(Translated *translated, RuntimeState *state);
ArgonObject *argon_call(ArgonObject *original_object, size_t argc,
ArgonObject **argv, ArErr *err, RuntimeState *state);
ArErr run_call(ArgonObject *original_object, size_t argc, ArgonObject **argv,
RuntimeState *state);
#endif // runtime_call_H

View File

@@ -34,21 +34,22 @@ ArgonObject *bind_object_to_function(ArgonObject *object,
add_field(bound_method_wrapper, "__class__", ARGON_METHOD_TYPE);
add_field(bound_method_wrapper, "__binding__", object);
add_field(bound_method_wrapper, "__function__", function);
ArgonObject *function_name = get_field(function, "__name__", false);
ArgonObject *function_name = get_field(function, "__name__", false, false);
if (function_name)
add_field(bound_method_wrapper, "__name__", function_name);
return bound_method_wrapper;
}
ArgonObject *get_field_for_class(ArgonObject *target, char *name, ArgonObject *binding_object) {
ArgonObject *get_field_for_class(ArgonObject *target, char *name,
ArgonObject *binding_object) {
char *field = "__base__";
while (target) {
uint64_t hash = siphash64_bytes(name, strlen(name), siphash_key);
ArgonObject *object = hashmap_lookup_GC(target->dict, hash);
if (object) {
if (object->type == TYPE_FUNCTION ||
object->type == TYPE_NATIVE_FUNCTION) {
if ((object->type == TYPE_FUNCTION ||
object->type == TYPE_NATIVE_FUNCTION) && binding_object) {
object = bind_object_to_function(binding_object, object);
}
return object;
@@ -59,10 +60,18 @@ ArgonObject *get_field_for_class(ArgonObject *target, char *name, ArgonObject *b
return NULL;
}
ArgonObject *get_field(ArgonObject *target, char *name, bool recursive) {
ArgonObject *get_field(ArgonObject *target, char *name, bool recursive,
bool disable_method_wrapper) {
char *field = "__class__";
ArgonObject *object = hashmap_lookup_GC(target->dict, siphash64_bytes(name, strlen(name), siphash_key));
ArgonObject *object = hashmap_lookup_GC(
target->dict, siphash64_bytes(name, strlen(name), siphash_key));
if (!recursive || object)
return object;
return get_field_for_class(hashmap_lookup_GC(target->dict, siphash64_bytes(field, strlen(field), siphash_key)), name, target);
ArgonObject *binding = target;
if (disable_method_wrapper)
binding = NULL;
return get_field_for_class(
hashmap_lookup_GC(target->dict,
siphash64_bytes(field, strlen(field), siphash_key)),
name, binding);
}

View File

@@ -17,8 +17,10 @@ ArgonObject *new_object();
void add_field(ArgonObject *target, char *name, ArgonObject *object);
ArgonObject *get_field_for_class(ArgonObject *target, char *name, ArgonObject *binding_object);
ArgonObject *get_field_for_class(ArgonObject *target, char *name,
ArgonObject *binding_object);
ArgonObject *get_field(ArgonObject *target, char *name, bool recursive);
ArgonObject *get_field(ArgonObject *target, char *name, bool recursive,
bool disable_method_wrapper);
#endif // OBJECT_H

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@@ -29,17 +29,53 @@ ArgonObject *ARGON_METHOD_TYPE;
Stack *Global_Scope = NULL;
ArgonObject *ARGON_TYPE_TYPE___call__(size_t argc, ArgonObject **argv,
ArErr *err) {
ArErr *err, RuntimeState *state) {
if (argc < 1) {
*err = create_err(0, 0, 0, "", "Runtime Error", "call missing self object.");
*err = create_err(0, 0, 0, "", "Runtime Error",
"__call__ expects at least 1 argument, got 0");
return ARGON_NULL;
}
ArgonObject *self = argv[0];
ArgonObject *self_name = get_field(argv[0], "__name__", true);
printf("type: %.*s\n", (int)self_name->value.as_str.length, self_name->value.as_str.data);
ArgonObject *cls = argv[0];
if (cls == ARGON_TYPE_TYPE && argc == 2) {
ArgonObject *cls_class = get_field(argv[1], "__class__", true, false);
if (cls_class)
return cls_class;
return ARGON_NULL;
}
ArgonObject *cls___new__ = get_field_for_class(argv[0], "__new__", NULL);
if (!cls___new__) {
ArgonObject *cls___name__ = get_field(argv[0], "__name__", true, false);
*err = create_err(
0, 0, 0, "", "Runtime Error",
"Object '%.*s' is missing __new__ method, so cannot be initialised",
(int)cls___name__->value.as_str.length,
cls___name__->value.as_str.data);
return ARGON_NULL;
}
ArgonObject *new_object = argon_call(cls___new__, argc, argv, err, state);
if (err->exists)
return ARGON_NULL;
ArgonObject *args[] = {ARGON_TYPE_TYPE, new_object};
ArgonObject *new_object_class = ARGON_TYPE_TYPE___call__(2, args, err, state);
if (new_object_class != ARGON_NULL && new_object_class == cls) {
ArgonObject *cls___init__ =
get_field_for_class(argv[0], "__init__", new_object);
if (!cls___init__) {
ArgonObject *cls___name__ = get_field(argv[0], "__name__", true, false);
*err = create_err(
0, 0, 0, "", "Runtime Error",
"Object '%.*s' is missing __init__ method, so cannot be initialised",
(int)cls___name__->value.as_str.length,
cls___name__->value.as_str.data);
}
argon_call(cls___init__, argc - 1, argv + 1, err, state);
if (err->exists)
return ARGON_NULL;
}
return new_object;
}
void bootstrap_types() {
BASE_CLASS = new_object();
@@ -47,8 +83,7 @@ void bootstrap_types() {
add_field(ARGON_TYPE_TYPE, "__base__", BASE_CLASS);
add_field(ARGON_TYPE_TYPE, "__class__", ARGON_TYPE_TYPE);
add_field(ARGON_TYPE_TYPE, "__call__",
create_argon_native_function(
"__call__", ARGON_TYPE_TYPE___call__));
create_argon_native_function("__call__", ARGON_TYPE_TYPE___call__));
ARGON_NULL_TYPE = new_object();
add_field(ARGON_NULL_TYPE, "__base__", BASE_CLASS);
@@ -91,8 +126,7 @@ void bootstrap_types() {
void add_to_scope(Stack *stack, char *name, ArgonObject *value) {
size_t length = strlen(name);
uint64_t hash =
siphash64_bytes(name, length, siphash_key);
uint64_t hash = siphash64_bytes(name, length, siphash_key);
ArgonObject *key = new_string_object(name, length);
hashmap_insert_GC(stack->scope, hash, key, value, 0);
}
@@ -249,7 +283,9 @@ ArErr run_instruction(Translated *translated, RuntimeState *state,
(state->call_instance->args)[index] = state->registers[0];
break;
case OP_CALL:;
ArErr err = run_call(translated, state);
ArErr err = run_call(state->call_instance->to_call,
state->call_instance->args_length,
state->call_instance->args, state);
free(state->call_instance->args);
call_instance = *state->call_instance;
free(state->call_instance);

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@@ -1,4 +1,4 @@
# SPDX-FileCopyrightText: 2025 William Bell
# SPDX-License-Identifier: GPL-3.0-or-later
type()
type.__call__()