uniform function call syntax

This commit is contained in:
2026-06-06 22:29:25 +02:00
parent 3a53cd4f32
commit 3098d0abf9
34 changed files with 488 additions and 398 deletions

View File

@@ -667,41 +667,10 @@ _builtin_environ:
}
let arg_count = args.len();
if arg_count <= 6 {
for i in (0..arg_count).rev() {
emit!(&mut self.output, " pop {}", REGISTERS[i]);
}
} else {
for (i, reg) in REGISTERS.iter().enumerate() {
let offset = 8 * (arg_count - 1 - i);
emit!(
&mut self.output,
" mov {}, QWORD [rsp + {}]",
reg,
offset
);
}
// TODO: since all zern values are 64bit large we currently cannot call
// external functions that expect a non-64bit value past the 6th argument
let num_stack = arg_count - 6;
for i in 0..num_stack {
let arg_idx = arg_count - 1 - i;
let offset = 8 * (arg_count - 1 - arg_idx);
emit!(
&mut self.output,
" mov rax, QWORD [rsp + {}]",
offset + 8 * i
);
emit!(&mut self.output, " push rax");
}
}
self.emit_call_setup(arg_count);
if let ExprKind::Variable(callee_name) = &callee.kind {
if self
.symbol_table
.functions
.contains_key(&callee_name.lexeme)
{
if self.symbol_table.functions.contains_key(&callee_name.lexeme) {
// its a function (defined/builtin/extern)
emit!(&mut self.output, " call {}", callee_name.lexeme);
} else {
@@ -715,11 +684,7 @@ _builtin_environ:
emit!(&mut self.output, " call rax");
}
if arg_count > 6 {
let num_stack = arg_count - 6;
emit!(&mut self.output, " add rsp, {}", 8 * num_stack);
emit!(&mut self.output, " add rsp, {}", 8 * arg_count);
}
self.emit_call_cleanup(arg_count);
}
ExprKind::ArrayLiteral(exprs) => {
emit!(&mut self.output, " mov rdi, 24");
@@ -736,7 +701,7 @@ _builtin_environ:
emit!(&mut self.output, " mov rsi, rax");
emit!(&mut self.output, " pop rdi");
emit!(&mut self.output, " push rdi");
emit!(&mut self.output, " call array.push");
emit!(&mut self.output, " call Array.push");
}
emit!(&mut self.output, " pop rax");
}
@@ -809,10 +774,64 @@ _builtin_environ:
ExprKind::Cast { expr, type_name: _ } => {
self.compile_expr(env, expr)?;
}
ExprKind::MethodCall { expr, method, args } => {
let receiver_type = &self.expr_types[&expr.id];
let func_name = format!("{}.{}", receiver_type, method.lexeme);
self.compile_expr(env, expr)?;
emit!(&mut self.output, " push rax");
for arg in args {
self.compile_expr(env, arg)?;
emit!(&mut self.output, " push rax");
}
let arg_count = 1 + args.len();
self.emit_call_setup(arg_count);
emit!(&mut self.output, " call {}", func_name);
self.emit_call_cleanup(arg_count);
}
}
Ok(())
}
fn emit_call_setup(&mut self, arg_count: usize) {
if arg_count <= 6 {
for i in (0..arg_count).rev() {
emit!(&mut self.output, " pop {}", REGISTERS[i]);
}
} else {
for (i, reg) in REGISTERS.iter().enumerate() {
let offset = 8 * (arg_count - 1 - i);
emit!(
&mut self.output,
" mov {}, QWORD [rsp + {}]",
reg,
offset
);
}
// TODO: since all zern values are 64bit large we currently cannot call
// external functions that expect a non-64bit value past the 6th argument
let num_stack = arg_count - 6;
for i in 0..num_stack {
let arg_idx = arg_count - 1 - i;
let offset = 8 * (arg_count - 1 - arg_idx);
emit!(
&mut self.output,
" mov rax, QWORD [rsp + {}]",
offset + 8 * i
);
emit!(&mut self.output, " push rax");
}
}
}
fn emit_call_cleanup(&mut self, arg_count: usize) {
if arg_count > 6 {
emit!(&mut self.output, " add rsp, {}", 8 * (arg_count - 6));
emit!(&mut self.output, " add rsp, {}", 8 * arg_count);
}
}
fn get_field_offset(&self, left: &Expr, field: &Token) -> Result<usize, ZernError> {
let struct_name = &self.expr_types[&left.id];

View File

@@ -143,6 +143,11 @@ pub enum ExprKind {
expr: Box<Expr>,
type_name: Token,
},
MethodCall {
expr: Box<Expr>,
method: Token,
args: Vec<Expr>,
},
}
pub struct Parser {
@@ -605,12 +610,32 @@ impl Parser {
index: Box::new(index),
})
} else if self.match_token(&[TokenType::Arrow]) {
let field =
self.consume(TokenType::Identifier, "expected field name after '->'")?;
expr = Expr::new(ExprKind::MemberAccess {
left: Box::new(expr),
field,
})
if self.check(&TokenType::Identifier) && self.check_ahead(&TokenType::LeftParen) {
let method = self.consume(TokenType::Identifier, "expected method name")?;
self.consume(TokenType::LeftParen, "expected '('")?;
let mut args = vec![];
if !self.check(&TokenType::RightParen) {
loop {
args.push(self.expression()?);
if !self.match_token(&[TokenType::Comma]) {
break;
}
}
}
self.consume(TokenType::RightParen, "expected ')'")?;
expr = Expr::new(ExprKind::MethodCall {
expr: Box::new(expr),
method,
args,
});
} else {
let field =
self.consume(TokenType::Identifier, "expected field name after '->'")?;
expr = Expr::new(ExprKind::MemberAccess {
left: Box::new(expr),
field,
});
}
} else {
break;
}

View File

@@ -95,7 +95,7 @@ func net.create_udp_server[packed_host: i64, port: i64] : net.UDPSocket, bool
return 0 as net.UDPSocket, false
if _builtin_syscall(SYS_bind, s->fd, s->addr, 16) < 0
net.UDPSocket.close_and_free(s)
s->close_and_free()
return 0 as net.UDPSocket, false
return s, true
@@ -129,7 +129,7 @@ func net.UDPSocket.close_and_free[s: net.UDPSocket] : void
mem.free(s)
func net.encode_dns_name[domain: str] : Blob
domain_len := str.len(domain)
domain_len := domain->len()
buf := Blob.alloc(domain_len + 2)
out_pos := 0
part_start := 0
@@ -152,7 +152,7 @@ func net.build_dns_query[domain_name: str, record_type: i64] : Blob
out := Blob.alloc(12 + name->size + 4)
// header
id := math.abs(os.urandom_i64() % 65536)
id := (os.urandom_i64() % 65536)->abs()
mem.write16be(out->data + 0, id)
mem.write16be(out->data + 2, DNS_RECURSION_DESIRED)
mem.write16be(out->data + 4, 1) // num_questions
@@ -165,7 +165,7 @@ func net.build_dns_query[domain_name: str, record_type: i64] : Blob
mem.write16be(out->data + 12 + name->size, record_type)
mem.write16be(out->data + 12 + name->size + 2, DNS_CLASS_IN)
Blob.free(name)
name->free()
return out
// TODO: dont resolve if its already an IP
@@ -175,13 +175,13 @@ func net.resolve[domain: str] : i64, bool
// TODO: this probably shouldnt be hardcoded
~s, ok := net.create_udp_client(net.pack_addr(1, 1, 1, 1), 53)
if !ok
Blob.free(query)
query->free()
return -1, false
net.udp_send_to(s, s->addr, query->data, query->size)
Blob.free(query)
query->free()
pkt := net.udp_receive(s, 1024)
net.UDPSocket.close_and_free(s)
s->close_and_free()
// TODO: do actual parsing
@@ -195,5 +195,5 @@ func net.resolve[domain: str] : i64, bool
pos += 12 // skip name(2), type(2), class(2), ttl(4), rdlength(2)
out := net.pack_addr(pkt->data[pos] as i64, pkt->data[pos+1] as i64, pkt->data[pos+2] as i64, pkt->data[pos+3] as i64)
net.UDPPacket.free(pkt)
pkt->free()
return out, true

View File

@@ -16,7 +16,7 @@ struct mem.Block
func mem.align[x: i64] : i64
return (x + 7) & -8
func mem._split_block[blk: mem.Block, needed: i64] : void
func mem.Block._split[blk: mem.Block, needed: i64] : void
if blk->size >= needed + MEM_BLOCK_SIZE + 8
new_blk := (blk as ptr + MEM_BLOCK_SIZE + needed) as mem.Block
new_blk->size = blk->size - needed - MEM_BLOCK_SIZE
@@ -62,7 +62,7 @@ func mem.alloc[size: i64] : ptr
cur := mem.read64(_builtin_heap_head()) as mem.Block
while cur as ptr
if cur->free && cur->size >= size
mem._split_block(cur, size)
cur->_split(size)
cur->free = false
return cur as ptr + MEM_BLOCK_SIZE
cur = cur->next
@@ -72,7 +72,7 @@ func mem.alloc[size: i64] : ptr
if !mem.read64(_builtin_heap_head())
mem.write64(_builtin_heap_head(), blk)
mem._split_block(blk, size)
blk->_split(size)
return blk as ptr + MEM_BLOCK_SIZE
@@ -136,7 +136,7 @@ func mem.realloc[x: ptr, new_size: i64] : ptr
blk := (x - MEM_BLOCK_SIZE) as mem.Block
if blk->size >= new_size
mem._split_block(blk, new_size)
blk->_split(new_size)
return x
next := blk->next
@@ -151,7 +151,7 @@ func mem.realloc[x: ptr, new_size: i64] : ptr
next->next->prev = blk
if mem.read64(_builtin_heap_tail()) == next as ptr
mem.write64(_builtin_heap_tail(), blk)
mem._split_block(blk, new_size)
blk->_split(new_size)
return x
new_ptr := mem.alloc(new_size)
@@ -270,7 +270,7 @@ func io.printf[..] : void
io.print_char(s[0])
s += 1
func io.snprintf[..] : i64
func str.format_into[..] : i64
buf := _var_arg(0) as ptr
size := _var_arg(1) as i64
if size <= 0
@@ -279,29 +279,29 @@ func io.snprintf[..] : i64
i := 3
n := 0
tmp := _stackalloc(21)
tmp := _stackalloc(21) as str
while s[0]
if s[0] == '%'
s += 1
if s[0] == 'd'
str.from_i64_buf(tmp, _var_arg(i) as i64)
tmp_len := str.len(tmp as str)
(_var_arg(i) as i64)->to_str_buf(tmp as ptr)
tmp_len := tmp->len()
remaining := size - n - 1
mem.copy(tmp, buf + n, math.min(tmp_len, remaining))
mem.copy(tmp as ptr, buf + n, math.min(tmp_len, remaining))
n += tmp_len
i += 1
else if s[0] == 'x'
str.hex_from_i64_buf(tmp, _var_arg(i) as i64)
tmp_len := str.len(tmp as str)
(_var_arg(i) as i64)->to_hex_str_buf(tmp as ptr)
tmp_len := tmp->len()
remaining := size - n - 1
mem.copy(tmp, buf + n, math.min(tmp_len, remaining))
mem.copy(tmp as ptr, buf + n, math.min(tmp_len, remaining))
n += tmp_len
i += 1
else if s[0] == 's'
tmp_str := _var_arg(i) as str
tmp_len := str.len(tmp_str)
tmp_len := tmp_str->len()
remaining := size - n - 1
mem.copy(tmp_str as ptr, buf + n, math.min(tmp_len, remaining))
n += tmp_len
@@ -318,7 +318,7 @@ func io.snprintf[..] : i64
else if s[0] == 0
break
else
panic("io.snprintf: unrecognized format")
panic("str.format_into: unrecognized format")
else
if n < size - 1
buf[n] = s[0]
@@ -335,7 +335,7 @@ func io.print_sized[x: ptr, size: i64] : void
_builtin_syscall(SYS_write, STDOUT, x, size)
func io.print[x: str] : void
io.print_sized(x as ptr, str.len(x))
io.print_sized(x as ptr, x->len())
func io.println[x: str] : void
io.print(x)
@@ -352,17 +352,17 @@ func io.print_bool[x: bool] : void
func io.print_i64[x: i64] : void
s := _stackalloc(21)
str.from_i64_buf(s, x)
x->to_str_buf(s)
io.print(s as str)
func io.print_i64_hex[x: i64] : void
s := _stackalloc(17)
str.hex_from_i64_buf(s, x)
x->to_hex_str_buf(s)
io.print(s as str)
func io.println_i64[x: i64] : void
s := _stackalloc(21)
str.from_i64_buf(s, x)
x->to_str_buf(s)
io.println(s as str)
func io.read_char[] : u8
@@ -376,8 +376,8 @@ func io.read_line[] : str
c := io.read_char()
if c == '\n'
break
str.Builder.append_char(b, c)
s := str.Builder.build(b)
b->append_char(c)
s := b->build()
mem.free(b->data)
return s
@@ -427,13 +427,13 @@ func io.read_binary_file[path: str] : Blob, bool
_builtin_syscall(SYS_close, fd)
if n != buf->size
Blob.free(buf)
buf->free()
return 0 as Blob, false
return buf, true
func io.write_file[path: str, content: str] : bool
return io.write_binary_file(path, content as ptr, str.len(content))
return io.write_binary_file(path, content as ptr, content->len())
func io.write_binary_file[path: str, content: ptr, size: i64] : bool
fd := _builtin_syscall(SYS_openat, AT_FDCWD, path, O_WRONLY|O_CREAT|O_TRUNC, 0o644)
@@ -453,7 +453,7 @@ func str.len[s: str] : i64
return i
func str.make_copy[s: str] : str
size := str.len(s) + 1
size := s->len() + 1
dup := mem.alloc(size) as str
mem.copy(s as ptr, dup as ptr, size)
return dup
@@ -488,8 +488,8 @@ func str.is_alphanumeric[x: u8] : bool
return str.is_letter(x) || str.is_digit(x)
func str.concat[a: str, b: str] : str
a_len := str.len(a)
b_len := str.len(b)
a_len := a->len()
b_len := b->len()
out := mem.alloc(a_len + b_len + 1) as str
mem.copy(a as ptr, out as ptr, a_len)
mem.copy(b as ptr, out as ptr + a_len, b_len)
@@ -497,11 +497,11 @@ func str.concat[a: str, b: str] : str
return out
func str.contains[haystack: str, needle: str] : bool
return str.find(haystack, needle) != -1
return haystack->find(needle) != -1
func str.find[haystack: str, needle: str] : i64
haystack_len := str.len(haystack)
needle_len := str.len(needle)
haystack_len := haystack->len()
needle_len := needle->len()
if needle_len == 0
return 0
@@ -533,7 +533,7 @@ func str.substr[s: str, start: i64, length: i64] : str
return out
func str.trim[s: str] : str
len := str.len(s)
len := s->len()
if len == 0
out := mem.alloc(1) as str
out[0] = 0
@@ -548,11 +548,11 @@ func str.trim[s: str] : str
while end >= start && str.is_whitespace(s[end])
end -= 1
return str.substr(s, start, end - start + 1)
return s->substr(start, end - start + 1)
func str.split[haystack: str, needle: str]: Array
haystack_len := str.len(haystack)
needle_len := str.len(needle)
haystack_len := haystack->len()
needle_len := needle->len()
result := []
if !needle_len
@@ -560,7 +560,7 @@ func str.split[haystack: str, needle: str]: Array
return result
else
for i in 0..haystack_len
array.push(result, str.substr(haystack, i, 1))
result->push(haystack->substr(i, 1))
return result
start := 0
@@ -573,17 +573,17 @@ func str.split[haystack: str, needle: str]: Array
match = false
break
if match
array.push(result, str.substr(haystack, start, i - start))
result->push(haystack->substr(start, i - start))
start = i + needle_len
i += needle_len
continue
i += 1
array.push(result, str.substr(haystack, start, haystack_len - start))
result->push(haystack->substr(start, haystack_len - start))
return result
func str.reverse[s: str] : str
len := str.len(s)
len := s->len()
out := mem.alloc(len + 1) as str
for i in 0..len
@@ -591,12 +591,12 @@ func str.reverse[s: str] : str
out[len] = 0
return out
func str.from_i64[n: i64] : str
func i64.to_str[n: i64] : str
out := mem.alloc(21)
str.from_i64_buf(out, n)
n->to_str_buf(out)
return out as str
func str.from_i64_buf[buf: ptr, n: i64] : void
func i64.to_str_buf[n: i64, buf: ptr] : void
if n == 0
buf[0] = '0'
buf[1] = 0
@@ -624,12 +624,12 @@ func str.from_i64_buf[buf: ptr, n: i64] : void
buf[i] = tmp[end + 1 + i]
buf[len] = 0
func str.hex_from_i64[n: i64] : str
func i64.to_hex_str[n: i64] : str
out := mem.alloc(17)
str.hex_from_i64_buf(out, n)
n->to_hex_str_buf(out)
return out as str
func str.hex_from_i64_buf[buf: ptr, n: i64] : void
func i64.to_hex_str_buf[n: i64, buf: ptr] : void
hex_chars := "0123456789abcdef"
if n == 0
@@ -653,14 +653,14 @@ func str.hex_from_i64_buf[buf: ptr, n: i64] : void
buf[len] = 0
func str.from_char[c: u8] : str
func u8.to_str[c: u8] : str
s := mem.alloc(2) as str
s[0] = c
s[1] = 0
return s
func str.parse_i64[s: str] : i64
len := str.len(s)
len := s->len()
i := 0
sign := 1
@@ -698,7 +698,7 @@ func str._hex_digit_to_int[d: u8] : u8
panic("invalid hex digit passed to str._hex_digit_to_int")
func str.hex_decode[s: str] : str
s_len := str.len(s)
s_len := s->len()
if s_len % 2 != 0
panic("invalid hex string passed to str.hex_decode")
@@ -729,13 +729,13 @@ func str.Builder._grow[b: str.Builder, needed: i64] : void
b->capacity = new_capacity
func str.Builder.append_char[b: str.Builder, c: u8] : void
str.Builder._grow(b, 1)
b->_grow(1)
b->data[b->size] = c
b->size += 1
func str.Builder.append[b: str.Builder, s: str] : void
len := str.len(s)
str.Builder._grow(b, len)
len := s->len()
b->_grow(len)
mem.copy(s as ptr, b->data + b->size, len)
b->size += len
@@ -746,8 +746,8 @@ func str.Builder.build[b: str.Builder] : str
return s
func math.gcd[a: i64, b: i64] : i64
a = math.abs(a)
b = math.abs(b)
a = a->abs()
b = b->abs()
while b != 0
tmp := b
b = a % b
@@ -764,14 +764,14 @@ func math.max[a: i64, b: i64] : i64
return a
return b
func math.abs[n: i64] : i64
func i64.abs[n: i64] : i64
if n == -9223372036854775808
panic("MIN_I64 passed to math.abs")
if n < 0
return -n
return n
func math.sign[n: i64] : i64
func i64.sign[n: i64] : i64
if n < 0
return -1
else if n > 0
@@ -793,7 +793,7 @@ func math.pow[b: i64, e: i64] : i64
func math.lcm[a: i64, b: i64] : i64
return (a / math.gcd(a, b)) * b
func math.isqrt[n: i64] : i64
func i64.isqrt[n: i64] : i64
if n < 0
panic("negative number passed to math.isqrt")
if n == 0 || n == 1
@@ -808,7 +808,7 @@ func math.isqrt[n: i64] : i64
return guess
func math.is_prime[n: i64]: bool
func i64.is_prime[n: i64]: bool
if n <= 1
return false
if n == 2 || n == 3
@@ -828,7 +828,7 @@ struct Array
size: i64
capacity: i64
func array.new_preallocated_and_zeroed[size: i64] : Array
func Array.new_preallocated_and_zeroed[size: i64] : Array
xs := new* Array
if size > 0
xs->data = mem.alloc(size * 8)
@@ -837,17 +837,17 @@ func array.new_preallocated_and_zeroed[size: i64] : Array
xs->capacity = size
return xs
func array.nth[xs: Array, n: i64] : any
func Array.nth[xs: Array, n: i64] : any
if n < 0 || n >= xs->size
panic("array.nth out of bounds")
return mem.read64(xs->data + n * 8)
func array.set[xs: Array, n: i64, x: any] : void
func Array.set[xs: Array, n: i64, x: any] : void
if n < 0 || n >= xs->size
panic("array.set out of bounds")
mem.write64(xs->data + n * 8, x)
func array.push[xs: Array, x: any] : void
func Array.push[xs: Array, x: any] : void
if xs->size == xs->capacity
new_capacity := 4
if xs->capacity != 0
@@ -858,35 +858,35 @@ func array.push[xs: Array, x: any] : void
mem.write64(xs->data + xs->size * 8, x)
xs->size += 1
func array.free[xs: Array] : void
func Array.free[xs: Array] : void
if xs->data != 0
mem.free(xs->data)
mem.free(xs)
func array.free_with_items[xs: Array] : void
func Array.free_with_items[xs: Array] : void
if xs->data != 0
for i in 0..xs->size
mem.free(array.nth(xs, i))
mem.free(xs->nth(i))
mem.free(xs->data)
mem.free(xs)
func array.pop[xs: Array] : any
func Array.pop[xs: Array] : any
if xs->size == 0
panic("array.pop on empty array")
x : any = array.nth(xs, xs->size - 1)
x : any = xs->nth(xs->size - 1)
xs->size = xs->size - 1
return x
func array.slice[xs: Array, start: i64, length: i64] : Array
func Array.slice[xs: Array, start: i64, length: i64] : Array
if start < 0 || length < 0 || start + length > xs->size
panic("array.slice out of bounds")
new_array := array.new_preallocated_and_zeroed(length)
new_array := Array.new_preallocated_and_zeroed(length)
mem.copy(xs->data + start * 8, new_array->data, length * 8)
return new_array
func array.concat[a: Array, b: Array] : Array
new_array := array.new_preallocated_and_zeroed(a->size + b->size)
func Array.concat[a: Array, b: Array] : Array
new_array := Array.new_preallocated_and_zeroed(a->size + b->size)
mem.copy(a->data, new_array->data, a->size * 8)
mem.copy(b->data, new_array->data + a->size * 8, b->size * 8)
return new_array
@@ -903,31 +903,31 @@ struct HashMap._Node
func HashMap.new[] : HashMap
map := new* HashMap
map->table = array.new_preallocated_and_zeroed(HashMap._TABLE_SIZE)
map->table = Array.new_preallocated_and_zeroed(HashMap._TABLE_SIZE)
return map
func HashMap.insert[map: HashMap, key: str, value: any] : void
index := HashMap._djb2(key)
current : HashMap._Node = array.nth(map->table, index)
current : HashMap._Node = map->table->nth(index)
while current as ptr
if str.equal(current->key, key)
if current->key->equal(key)
current->value = value
return 0
current = current->next
new_node := new* HashMap._Node
new_node->key = str.make_copy(key)
new_node->key = key->make_copy()
new_node->value = value
new_node->next = array.nth(map->table, index)
array.set(map->table, index, new_node)
new_node->next = map->table->nth(index)
map->table->set(index, new_node)
func HashMap.get[map: HashMap, key: str] : any, bool
index := HashMap._djb2(key)
current : HashMap._Node = array.nth(map->table, index)
current : HashMap._Node = map->table->nth(index)
while current as ptr
if str.equal(current->key, key)
if current->key->equal(key)
return current->value, true
current = current->next
@@ -935,15 +935,15 @@ func HashMap.get[map: HashMap, key: str] : any, bool
func HashMap.delete[map: HashMap, key: str] : void
index := HashMap._djb2(key)
current : HashMap._Node = array.nth(map->table, index)
current : HashMap._Node = map->table->nth(index)
prev := 0 as HashMap._Node
while current as ptr
if str.equal(current->key, key)
if current->key->equal(key)
if prev as ptr
prev->next = current->next
else
array.set(map->table, index, current->next)
map->table->set(index, current->next)
mem.free(current->key)
mem.free(current)
@@ -954,70 +954,69 @@ func HashMap.delete[map: HashMap, key: str] : void
func HashMap._djb2[key: str] : i64
hash := 5381
key_len := str.len(key)
for i in 0..key_len
for i in 0..key->len()
hash = ((hash << 5) + hash) + key[i]
hash = (hash & 0x7fffffffffffffff) // prevent negative
return hash % HashMap._TABLE_SIZE
func HashMap.free[map: HashMap] : void
for i in 0..HashMap._TABLE_SIZE
current : HashMap._Node = array.nth(map->table, i)
current : HashMap._Node = map->table->nth(i)
while current as ptr
tmp := current
current = current->next
mem.free(tmp->key)
mem.free(tmp)
array.free(map->table)
map->table->free()
mem.free(map)
func alg.quicksort[arr: Array] : void
alg._do_quicksort(arr, 0, arr->size - 1)
func Array.quicksort[arr: Array] : void
arr->_do_quicksort(0, arr->size - 1)
func alg._do_quicksort[arr: Array, low: i64, high: i64] : void
func Array._do_quicksort[arr: Array, low: i64, high: i64] : void
if low < high
i := alg._partition(arr, low, high)
alg._do_quicksort(arr, low, i - 1)
alg._do_quicksort(arr, i + 1, high)
i := arr->_partition(low, high)
arr->_do_quicksort(low, i - 1)
arr->_do_quicksort(i + 1, high)
func alg._partition[arr: Array, low: i64, high: i64] : i64
pivot : i64 = array.nth(arr, high)
func Array._partition[arr: Array, low: i64, high: i64] : i64
pivot : i64 = arr->nth(high)
i := low - 1
for j in (low)..high
if array.nth(arr, j) as i64 <= pivot
if arr->nth(j) as i64 <= pivot
i += 1
temp : i64 = array.nth(arr ,i)
array.set(arr, i, array.nth(arr, j))
array.set(arr, j, temp)
temp : i64 = array.nth(arr, i + 1)
array.set(arr, i + 1, array.nth(arr, high))
array.set(arr, high, temp)
temp : i64 = arr->nth(i)
arr->set(i, arr->nth(j))
arr->set(j, temp)
temp : i64 = arr->nth(i + 1)
arr->set(i + 1, arr->nth(high))
arr->set(high, temp)
return i + 1
func alg.count[arr: Array, item: any] : i64
func Array.count[arr: Array, item: any] : i64
count := 0
for i in 0..arr->size
if array.nth(arr, i) == item
if arr->nth(i) == item
count += 1
return count
func alg.map[arr: Array, fn: fnptr] : Array
out := array.new_preallocated_and_zeroed(arr->size)
func Array.map[arr: Array, fn: fnptr] : Array
out := Array.new_preallocated_and_zeroed(arr->size)
for i in 0..arr->size
array.set(out, i, fn(array.nth(arr, i)))
out->set(i, fn(arr->nth(i)))
return out
func alg.filter[arr: Array, fn: fnptr] : Array
func Array.filter[arr: Array, fn: fnptr] : Array
out := []
for i in 0..arr->size
if fn(array.nth(arr, i))
array.push(out, array.nth(arr, i))
if fn(arr->nth(i))
out->push(arr->nth(i))
return out
func alg.reduce[arr: Array, fn: fnptr, acc: any] : any
func Array.reduce[arr: Array, fn: fnptr, acc: any] : any
for i in 0..arr->size
acc = fn(acc, array.nth(arr, i))
acc = fn(acc, arr->nth(i))
return acc
func os.exit[code: i64] : void
@@ -1098,7 +1097,7 @@ func os.list_directory[path: str] : Array, bool
while true
n := _builtin_syscall(SYS_getdents64, fd, buf, 1024)
if n < 0
array.free_with_items(files)
files->free_with_items()
_builtin_syscall(SYS_close, fd)
return 0 as Array, false
else if n == 0
@@ -1118,7 +1117,7 @@ func os.list_directory[path: str] : Array, bool
if name[2] == 0
skip = true
if !skip
array.push(files, str.make_copy(name as str))
files->push((name as str)->make_copy())
pos += len
_builtin_syscall(SYS_close, fd)

View File

@@ -564,6 +564,54 @@ impl<'a> TypeChecker<'a> {
}
Ok(type_name.lexeme.clone())
}
ExprKind::MethodCall { expr, method, args } => {
let receiver_type = self.typecheck_expr(env, expr)?;
let func_name = format!("{}.{}", receiver_type, method.lexeme);
let func_type = match self.symbol_table.functions.get(&func_name) {
Some(f) => f,
None => {
return error!(
method.loc,
format!(
"method {} not found on on type {}",
method.lexeme, receiver_type
)
);
}
};
if let Some(params) = &func_type.params {
if params.len() != args.len() + 1 {
return error!(
method.loc,
format!(
"expected {} arguments, got {}",
params.len() - 1,
args.len()
)
);
}
if params[0] != receiver_type {
return error!(
method.loc,
format!(
"first parameter of the method must be of type {}",
receiver_type
)
);
}
for (i, arg) in args.iter().enumerate() {
expect_type!(self.typecheck_expr(env, arg)?, params[i + 1], method.loc);
}
Ok(func_type.return_type.clone())
} else {
for arg in args {
self.typecheck_expr(env, arg)?;
}
Ok(func_type.return_type.clone())
}
}
}?;
self.expr_types.insert(expr.id, expr_type.clone());