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add subtract support and string concatenation

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This commit is contained in:
William Bell
2025-08-15 05:41:26 +01:00
parent c3c7f1597e
commit 2d577594fc
12 changed files with 156 additions and 21 deletions
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93
src/runtime/runtime.c
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@@ -35,6 +35,12 @@ ArgonObject *ARGON_METHOD_TYPE;
Stack *Global_Scope = NULL;
ArgonObject *ACCESS_FUNCTION;
ArgonObject *ADDITION_FUNCTION;
ArgonObject *SUBTRACTION_FUNCTION;
ArgonObject *MULTIPLY_FUNCTION;
ArgonObject *DIVIDE_FUNCTION;
ArgonObject *POWER_FUNCTION;
ArgonObject *MODULO_FUNCTION;
ArgonObject *FLOORDIV_FUNCTION;
ArgonObject *ARGON_ADDITION_FUNCTION(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
@@ -60,6 +66,31 @@ ArgonObject *ARGON_ADDITION_FUNCTION(size_t argc, ArgonObject **argv,
return output;
}
ArgonObject *ARGON_SUBTRACTION_FUNCTION(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
if (argc < 1) {
*err = create_err(0, 0, 0, "", "Runtime Error",
"add expects at least 1 argument, got %" PRIu64, argc);
return ARGON_NULL;
}
ArgonObject *output = argv[0];
for (size_t i = 1; i < argc; i++) {
ArgonObject *__subtract__ = get_field_for_class(
get_field(output, "__class__", false, false), "__subtract__", output);
if (!__subtract__) {
ArgonObject *cls___name__ = get_field(output, "__name__", true, false);
*err = create_err(0, 0, 0, "", "Runtime Error",
"Object '%.*s' is missing __subtract__ method",
(int)cls___name__->value.as_str.length,
cls___name__->value.as_str.data);
return ARGON_NULL;
}
output =
argon_call(__subtract__, 1, (ArgonObject *[]){argv[i]}, err, state);
}
return output;
}
ArgonObject *ARGON_TYPE_TYPE___call__(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
(void)state;
@@ -244,6 +275,53 @@ ArgonObject *ARGON_BOOL_TYPE___new__(size_t argc, ArgonObject **argv,
return ARGON_NULL;
}
ArgonObject *ARGON_STRING_TYPE___add__(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
(void)state;
if (argc != 2) {
*err = create_err(0, 0, 0, "", "Runtime Error",
"__add__ expects 2 arguments, got %" PRIu64, argc);
return ARGON_NULL;
}
if (argv[1]->type != TYPE_STRING) {
ArgonObject *type_name = get_field_for_class(
get_field(argv[1], "__class__", false, false), "__name__", argv[1]);
*err = create_err(0, 0, 0, "", "Runtime Error",
"__add__ cannot perform concatenation between a string and %.*s",
type_name->value.as_str.length,
type_name->value.as_str.data);
return ARGON_NULL;
}
size_t length = argv[0]->value.as_str.length+argv[1]->value.as_str.length;
char*concat = malloc(length);
memcpy(concat,argv[0]->value.as_str.data, argv[0]->value.as_str.length);
memcpy(concat+argv[0]->value.as_str.length,argv[1]->value.as_str.data, argv[1]->value.as_str.length);
ArgonObject* object = new_string_object(concat, length);
free(concat);
return object;
}
ArgonObject *ARGON_BOOL_TYPE___string__(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
if (argc != 1) {
*err = create_err(0, 0, 0, "", "Runtime Error",
"__string__ expects 1 arguments, got %" PRIu64, argc);
return ARGON_NULL;
}
return new_string_object_null_terminated(argv[0] == ARGON_TRUE ? "true"
: "false");
}
ArgonObject *ARGON_BOOL_TYPE___number__(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
if (argc != 1) {
*err = create_err(0, 0, 0, "", "Runtime Error",
"__number__ expects 1 arguments, got %" PRIu64, argc);
return ARGON_NULL;
}
return new_number_object_from_long(argv[0] == ARGON_TRUE, 1);
}
ArgonObject *ARGON_STRING_TYPE___string__(size_t argc, ArgonObject **argv,
ArErr *err, RuntimeState *state) {
(void)state;
@@ -388,6 +466,9 @@ void bootstrap_types() {
add_field(
ARGON_STRING_TYPE, "__init__",
create_argon_native_function("__init__", ARGON_STRING_TYPE___init__));
add_field(
ARGON_STRING_TYPE, "__add__",
create_argon_native_function("__add__", ARGON_STRING_TYPE___add__));
add_field(
ARGON_STRING_TYPE, "__number__",
create_argon_native_function("__number__", ARGON_STRING_TYPE___number__));
@@ -414,10 +495,18 @@ void bootstrap_types() {
add_field(
BASE_CLASS, "__boolean__",
create_argon_native_function("__boolean__", BASE_CLASS___boolean__));
add_field(
ARGON_BOOL_TYPE, "__string__",
create_argon_native_function("__string__", ARGON_BOOL_TYPE___string__));
add_field(
ARGON_BOOL_TYPE, "__number__",
create_argon_native_function("__number__", ARGON_BOOL_TYPE___number__));
ACCESS_FUNCTION = create_argon_native_function("__get_attr__",
ARGON_TYPE_TYPE___get_attr__);
ADDITION_FUNCTION =
create_argon_native_function("add", ARGON_ADDITION_FUNCTION);
SUBTRACTION_FUNCTION =
create_argon_native_function("subtract", ARGON_SUBTRACTION_FUNCTION);
add_field(BASE_CLASS, "__get_attr__", ACCESS_FUNCTION);
}
@@ -435,6 +524,7 @@ void bootstrap_globals() {
add_to_scope(Global_Scope, "boolean", ARGON_BOOL_TYPE);
add_to_scope(Global_Scope, "number", ARGON_NUMBER_TYPE);
add_to_scope(Global_Scope, "add", ADDITION_FUNCTION);
add_to_scope(Global_Scope, "subtract", SUBTRACTION_FUNCTION);
ArgonObject *argon_term = new_object();
add_field(argon_term, "__init__", ARGON_NULL);
@@ -627,6 +717,9 @@ ArErr run_instruction(Translated *translated, RuntimeState *state,
case OP_LOAD_ADDITION_FUNCTION:
state->registers[0] = ADDITION_FUNCTION;
break;
case OP_LOAD_SUBTRACTION_FUNCTION:
state->registers[0] = SUBTRACTION_FUNCTION;
break;
default:
return create_err(0, 0, 0, NULL, "Runtime Error", "Invalid Opcode %#x",
opcode);