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3 Commits

Author SHA1 Message Date
1e7657ea2a implement our own malloc/free, finally drop libc 2026-03-12 10:02:51 +01:00
3fdf7bb99d io.Buffer, os.Timeval 2026-03-12 09:56:41 +01:00
3fcd82cc04 replace array with an actual struct now that we have them 2026-03-11 20:44:55 +01:00
23 changed files with 375 additions and 326 deletions

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@@ -5,9 +5,9 @@ A very cool language
## Features ## Features
* Clean indentation-based syntax * Clean indentation-based syntax
* Compiles to x86_64 Assembly * Compiles to x86_64 Assembly
* Pretty big [standard library](https://github.com/antpiasecki/zern/tree/main/src/std) * Growing [standard library](https://github.com/antpiasecki/zern/tree/main/src/std)
* Produces tiny static executables (~30KB with musl) * Produces tiny static executables (~30KB with musl)
* ~~No libc required~~ (SOON; still used for memory allocation and DNS resolution) * No libc required!
* Sometimes works * Sometimes works
* Has the pipe operator * Has the pipe operator

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@@ -11,15 +11,15 @@ extern IsKeyDown
struct CHIP8 struct CHIP8
memory: ptr memory: ptr
pc: i64 pc: i64
stack: array stack: Array
sp: i64 sp: i64
reg: ptr reg: ptr
I: i64 I: i64
delay_timer: i64 delay_timer: i64
sound_timer: i64 sound_timer: i64
keyboard: array keyboard: Array
display: ptr display: ptr
keyboard_map: array keyboard_map: Array
func chip8_create[] : CHIP8 func chip8_create[] : CHIP8
let c: CHIP8 = new CHIP8 let c: CHIP8 = new CHIP8
@@ -33,7 +33,7 @@ func chip8_create[] : CHIP8
c->stack = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] c->stack = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
c->keyboard = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0] c->keyboard = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0]
let fonts: array = [0xf0, 0x90, 0x90, 0x90, 0xf0, 0x20, 0x60, 0x20, 0x20, 0x70, 0xf0, 0x10, 0xf0, 0x80, 0xf0, 0xf0, 0x10, 0xf0, 0x10, 0xf0, 0x90, 0x90, 0xf0, 0x10, 0x10, 0xf0, 0x80, 0xf0, 0x10, 0xf0, 0xf0, 0x80, 0xf0, 0x90, 0xf0, 0xf0, 0x10, 0x20, 0x40, 0x40, 0xf0, 0x90, 0xf0, 0x90, 0xf0, 0xf0, 0x90, 0xf0, 0x10, 0xf0, 0xf0, 0x90, 0xf0, 0x90, 0x90, 0xe0, 0x90, 0xe0, 0x90, 0xe0, 0xf0, 0x80, 0x80, 0x80, 0xf0, 0xe0, 0x90, 0x90, 0x90, 0xe0, 0xf0, 0x80, 0xf0, 0x80, 0xf0, 0xf0, 0x80, 0xf0, 0x80, 0x80] let fonts: Array = [0xf0, 0x90, 0x90, 0x90, 0xf0, 0x20, 0x60, 0x20, 0x20, 0x70, 0xf0, 0x10, 0xf0, 0x80, 0xf0, 0xf0, 0x10, 0xf0, 0x10, 0xf0, 0x90, 0x90, 0xf0, 0x10, 0x10, 0xf0, 0x80, 0xf0, 0x10, 0xf0, 0xf0, 0x80, 0xf0, 0x90, 0xf0, 0xf0, 0x10, 0x20, 0x40, 0x40, 0xf0, 0x90, 0xf0, 0x90, 0xf0, 0xf0, 0x90, 0xf0, 0x10, 0xf0, 0xf0, 0x90, 0xf0, 0x90, 0x90, 0xe0, 0x90, 0xe0, 0x90, 0xe0, 0xf0, 0x80, 0x80, 0x80, 0xf0, 0xe0, 0x90, 0x90, 0x90, 0xe0, 0xf0, 0x80, 0xf0, 0x80, 0xf0, 0xf0, 0x80, 0xf0, 0x80, 0x80]
for i in 0..80 for i in 0..80
c->memory[i] = array.nth(fonts, i) c->memory[i] = array.nth(fonts, i)
mem.free(fonts) mem.free(fonts)
@@ -314,7 +314,7 @@ func chip8_step[c: CHIP8] : void
else if op == 0xb else if op == 0xb
c->pc = nnn + c->reg[0] c->pc = nnn + c->reg[0]
else if op == 0xc else if op == 0xc
c->reg[x] = (math.floor(os.urandom_i64()) % 256) & kk c->reg[x] = (math.abs(os.urandom_i64()) % 256) & kk
else if op == 0xd else if op == 0xd
c->reg[0xf] = 0 c->reg[0xf] = 0
for row in 0..n for row in 0..n
@@ -389,14 +389,13 @@ func main[argc: i64, argv: ptr] : i64
let c: CHIP8 = chip8_create() let c: CHIP8 = chip8_create()
let bytes_size: ptr = 0 let buffer: io.Buffer = io.read_binary_file(path)
let bytes: ptr = io.read_binary_file(path, ^bytes_size)
for i in 0..bytes_size for i in 0..buffer->size
c->memory[0x200 + i] = bytes[i] c->memory[0x200 + i] = buffer->data[i]
if disassemble if disassemble
chip8_disassemble(c, bytes_size / 2) chip8_disassemble(c, buffer->size / 2)
return 0 return 0
InitWindow(640, 320, "CHIP-8") InitWindow(640, 320, "CHIP-8")

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@@ -1,70 +0,0 @@
func main[argc: i64, argv: ptr] : i64
if argc < 2
dbg.panic("url missing")
let url: str = mem.read64(argv + 8)
if str.len(url) <= 7
dbg.panic("missing url scheme")
if !str.equal(str.substr(url, 0, 7), "http://")
dbg.panic("invalid url scheme")
let url_len: i64 = str.len(url)
let host_start = 7
let i: i64 = host_start
while i < url_len
if url[i] == '/'
break
i = i + 1
let host: str = str.substr(url, host_start, i - host_start)
let path: str = "/"
if i < url_len
path = str.substr(url, i, url_len - i)
let s: i64 = net.connect(host, 80)
if s < 0
dbg.panic("failed to connect")
// very leaky
let req: str = "GET "
req = str.concat(req, path)
req = str.concat(req, " HTTP/1.0\r\nHost: ")
req = str.concat(req, host)
req = str.concat(req, "\r\nConnection: close\r\n\r\n")
net.send(s, req, str.len(req))
mem.free(req)
let header_buf: str = mem.alloc(8192)
let header_size = 0
let found: bool = false
let end_index: i64 = -1
while !found && header_size < 8192
let n: i64 = net.read(s, header_buf + header_size, 8192 - header_size)
if n <= 0
break
let current_size: i64 = header_size + n
i = 0
while i <= current_size - 4
if header_buf[i] == 13 && header_buf[i + 1] == 10 && header_buf[i + 2] == 13 && header_buf[i + 3] == 10
found = true
end_index = i + 4
break
i = i + 1
header_size = current_size
if end_index < header_size
io.print_sized(header_buf + end_index, header_size - end_index)
mem.free(header_buf)
let buffer: ptr = mem.alloc(4096)
while true
let n: i64 = net.read(s, buffer, 4096)
if n <= 0
break
io.print_sized(buffer, n)
mem.free(buffer)
net.close(s)

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@@ -1,29 +1,29 @@
func part1[l1: array, l2: array] : void func part1[l1: Array, l2: Array] : void
let out = 0 let out = 0
for i in 0..array.size(l1) for i in 0..l1->size
out = out + math.abs(array.nth(l1, i) - array.nth(l2, i)) out = out + math.abs(array.nth(l1, i) - array.nth(l2, i))
io.println_i64(out) io.println_i64(out)
func part2[l1: array, l2: array] : void func part2[l1: Array, l2: Array] : void
let out = 0 let out = 0
for i in 0..array.size(l1) for i in 0..l1->size
out = out + array.nth(l1, i) * alg.count(l2, array.nth(l1, i)) out = out + array.nth(l1, i) * alg.count(l2, array.nth(l1, i))
io.println_i64(out) io.println_i64(out)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
let l1: array = [] let l1: Array = []
let l2: array = [] let l2: Array = []
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let parts: array = str.split(line, " ") let parts: Array = str.split(line, " ")
array.push(l1, str.parse_i64(array.nth(parts, 0))) array.push(l1, str.parse_i64(array.nth(parts, 0)))
array.push(l2, str.parse_i64(array.nth(parts, 1))) array.push(l2, str.parse_i64(array.nth(parts, 1)))

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@@ -1,7 +1,7 @@
func check[report: array] : bool func check[report: Array] : bool
let increasing: bool = array.nth(report, 0) < array.nth(report, 1) let increasing: bool = array.nth(report, 0) < array.nth(report, 1)
for i in 0..array.size(report)-1 for i in 0..report->size-1
if array.nth(report, i) > array.nth(report, i + 1) && increasing if array.nth(report, i) > array.nth(report, i + 1) && increasing
return false return false
if array.nth(report, i) < array.nth(report, i + 1) && !increasing if array.nth(report, i) < array.nth(report, i + 1) && !increasing
@@ -13,24 +13,25 @@ func check[report: array] : bool
return true return true
func part1[data: array] : void func part1[data: Array] : void
let out = 0 let out = 0
for i in 0..array.size(data) for i in 0..data->size
if check(array.nth(data, i)) if check(array.nth(data, i))
out = out + 1 out = out + 1
io.println_i64(out) io.println_i64(out)
func part2[data: array] : void func part2[data: Array] : void
let out = 0 let out = 0
for i in 0..array.size(data) for i in 0..data->size
if check(array.nth(data, i)) if check(array.nth(data, i))
out = out + 1 out = out + 1
else else
for j in 0..array.size(array.nth(data, i)) let arr: Array = array.nth(data, i)
let sliced: array = array.concat(array.slice(array.nth(data, i), 0, j), array.slice(array.nth(data, i), j + 1, array.size(array.nth(data, i)) - (j + 1))) for j in 0..arr->size
let sliced: Array = array.concat(array.slice(arr, 0, j), array.slice(arr, j + 1, arr->size - (j + 1)))
if check(sliced) if check(sliced)
out = out + 1 out = out + 1
@@ -39,14 +40,14 @@ func part2[data: array] : void
io.println_i64(out) io.println_i64(out)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
let data: array = [] let data: Array = []
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let report: array = str.split(line, " ") let report: Array = str.split(line, " ")
for i in 0..array.size(report) for i in 0..report->size
array.set(report, i, str.parse_i64(array.nth(report, i))) array.set(report, i, str.parse_i64(array.nth(report, i)))
array.push(data, report) array.push(data, report)

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@@ -1,5 +1,5 @@
func check[lines: array, x: i64, y: i64, dx: i64, dy: i64] : bool func check[lines: Array, x: i64, y: i64, dx: i64, dy: i64] : bool
if x + dx * 3 < 0 || x + dx * 3 >= array.size(lines) || y + dy * 3 < 0 || y + dy * 3 >= str.len(array.nth(lines, 0)) if x + dx * 3 < 0 || x + dx * 3 >= lines->size || y + dy * 3 < 0 || y + dy * 3 >= str.len(array.nth(lines, 0))
return false return false
if array.nth(lines, x)[y] != 'X' if array.nth(lines, x)[y] != 'X'
@@ -13,10 +13,10 @@ func check[lines: array, x: i64, y: i64, dx: i64, dy: i64] : bool
return true return true
func part1[lines: array] : void func part1[lines: Array] : void
let out = 0 let out = 0
for x in 0..array.size(lines) for x in 0..lines->size
for y in 0..str.len(array.nth(lines, x)) for y in 0..str.len(array.nth(lines, x))
if check(lines, x, y, 0, 1) if check(lines, x, y, 0, 1)
out = out + 1 out = out + 1
@@ -37,10 +37,10 @@ func part1[lines: array] : void
io.println_i64(out) io.println_i64(out)
func part2[lines: array] : void func part2[lines: Array] : void
let out = 0 let out = 0
for x in 1..array.size(lines)-1 for x in 1..lines->size-1
for y in 1..str.len(array.nth(lines, x))-1 for y in 1..str.len(array.nth(lines, x))-1
if array.nth(lines, x)[y] == 'A' if array.nth(lines, x)[y] == 'A'
let s: str = mem.alloc(5) let s: str = mem.alloc(5)
@@ -56,7 +56,7 @@ func part2[lines: array] : void
io.println_i64(out) io.println_i64(out)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
part1(lines) part1(lines)
part2(lines) part2(lines)

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@@ -1,22 +1,22 @@
func rule_exists[rules_left: array, rules_right: array, a: i64, b: i64] : bool func rule_exists[rules_left: Array, rules_right: Array, a: i64, b: i64] : bool
for k in 0..array.size(rules_left) for k in 0..rules_left->size
if array.nth(rules_left, k) == a && array.nth(rules_right, k) == b if array.nth(rules_left, k) == a && array.nth(rules_right, k) == b
return true return true
return false return false
func check[update: array, rules_left: array, rules_right: array] : bool func check[update: Array, rules_left: Array, rules_right: Array] : bool
for i in 0..array.size(update) for i in 0..update->size
for j in 0..i for j in 0..i
if rule_exists(rules_left, rules_right, array.nth(update, i), array.nth(update, j)) if rule_exists(rules_left, rules_right, array.nth(update, i), array.nth(update, j))
return false return false
return true return true
func sort_by_rules[update: array, rules_left: array, rules_right: array] : void func sort_by_rules[update: Array, rules_left: Array, rules_right: Array] : void
let swapped: bool = true let swapped: bool = true
while swapped while swapped
swapped = false swapped = false
for i in 0..array.size(update)-1 for i in 0..update->size-1
let a: i64 = array.nth(update, i) let a: i64 = array.nth(update, i)
let b: i64 = array.nth(update, i+1) let b: i64 = array.nth(update, i+1)
if rule_exists(rules_left, rules_right, b, a) if rule_exists(rules_left, rules_right, b, a)
@@ -25,47 +25,47 @@ func sort_by_rules[update: array, rules_left: array, rules_right: array] : void
array.set(update, i+1, tmp) array.set(update, i+1, tmp)
swapped = true swapped = true
func part1[updates: array, rules_left: array, rules_right: array] : void func part1[updates: Array, rules_left: Array, rules_right: Array] : void
let out = 0 let out = 0
for i in 0..array.size(updates) for i in 0..updates->size
let update: array = array.nth(updates, i) let update: Array = array.nth(updates, i)
if check(update, rules_left, rules_right) if check(update, rules_left, rules_right)
out = out + array.nth(update, array.size(update) / 2) out = out + array.nth(update, update->size / 2)
io.println_i64(out) io.println_i64(out)
func part2[updates: array, rules_left: array, rules_right: array] : void func part2[updates: Array, rules_left: Array, rules_right: Array] : void
let out = 0 let out = 0
for i in 0..array.size(updates) for i in 0..updates->size
let update: array = array.nth(updates, i) let update: Array = array.nth(updates, i)
if !check(update, rules_left, rules_right) if !check(update, rules_left, rules_right)
sort_by_rules(update, rules_left, rules_right) sort_by_rules(update, rules_left, rules_right)
out = out + array.nth(update, array.size(update) / 2) out = out + array.nth(update, update->size / 2)
io.println_i64(out) io.println_i64(out)
func main[] : i64 func main[] : i64
let data: array = io.read_file("input.txt") |> str.split("\n\n") let data: Array = io.read_file("input.txt") |> str.split("\n\n")
let rules_left: array = [] let rules_left: Array = []
let rules_right: array = [] let rules_right: Array = []
let rules_lines: array = str.split(array.nth(data, 0), "\n") let rules_lines: Array = str.split(array.nth(data, 0), "\n")
for i in 0..array.size(rules_lines) for i in 0..rules_lines->size
let line: str = array.nth(rules_lines, i) let line: str = array.nth(rules_lines, i)
let parts: array = str.split(line, "|") let parts: Array = str.split(line, "|")
array.push(rules_left, str.parse_i64(array.nth(parts, 0))) array.push(rules_left, str.parse_i64(array.nth(parts, 0)))
array.push(rules_right, str.parse_i64(array.nth(parts, 1))) array.push(rules_right, str.parse_i64(array.nth(parts, 1)))
let updates: array = [] let updates: Array = []
let updates_lines: array = str.split(array.nth(data, 1), "\n") let updates_lines: Array = str.split(array.nth(data, 1), "\n")
for i in 0..array.size(updates_lines) for i in 0..updates_lines->size
let line: str = array.nth(updates_lines, i) let line: str = array.nth(updates_lines, i)
let xs: array = str.split(line, ",") let xs: Array = str.split(line, ",")
for i in 0..array.size(xs) for i in 0..xs->size
array.set(xs, i, str.parse_i64(array.nth(xs, i))) array.set(xs, i, str.parse_i64(array.nth(xs, i)))
array.push(updates, xs) array.push(updates, xs)

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@@ -9,23 +9,24 @@ func concat[a: i64, b: i64] : i64
mem.free(ab_str) mem.free(ab_str)
return out return out
func solve[ops: array, e: array] : i64 func solve[ops: Array, e: Array] : i64
let n: i64 = array.size(array.nth(e, 1)) - 1 let e_1: Array = array.nth(e, 1)
let indices: array = [] let n: i64 = e_1->size - 1
let indices: Array = []
for i in 0..n for i in 0..n
array.push(indices, 0) array.push(indices, 0)
while true while true
let res: i64 = array.nth(array.nth(e, 1), 0) let res: i64 = array.nth(e_1, 0)
for i in 0..n for i in 0..n
let op: str = array.nth(ops, array.nth(indices, i)) let op: str = array.nth(ops, array.nth(indices, i))
if str.equal(op, "add") if str.equal(op, "add")
res = res + array.nth(array.nth(e, 1), i + 1) res = res + array.nth(e_1, i + 1)
else if str.equal(op, "mul") else if str.equal(op, "mul")
res = res * array.nth(array.nth(e, 1), i + 1) res = res * array.nth(e_1, i + 1)
else if str.equal(op, "concat") else if str.equal(op, "concat")
res = concat(res, array.nth(array.nth(e, 1), i + 1)) res = concat(res, array.nth(e_1, i + 1))
if res == array.nth(e, 0) if res == array.nth(e, 0)
return res return res
@@ -34,7 +35,7 @@ func solve[ops: array, e: array] : i64
while i >= 0 while i >= 0
array.set(indices, i, array.nth(indices, i) + 1) array.set(indices, i, array.nth(indices, i) + 1)
if array.nth(indices, i) < array.size(ops) if array.nth(indices, i) < ops->size
done = false done = false
break break
array.set(indices, i, 0) array.set(indices, i, 0)
@@ -43,32 +44,32 @@ func solve[ops: array, e: array] : i64
if done if done
return 0 return 0
func part1[equations: array] : void func part1[equations: Array] : void
let out = 0 let out = 0
for i in 0..array.size(equations) for i in 0..equations->size
out = out + solve(["add", "mul"], array.nth(equations, i)) out = out + solve(["add", "mul"], array.nth(equations, i))
io.println_i64(out) io.println_i64(out)
func part2[equations: array] : void func part2[equations: Array] : void
let out = 0 let out = 0
for i in 0..array.size(equations) for i in 0..equations->size
out = out + solve(["add", "mul", "concat"], array.nth(equations, i)) out = out + solve(["add", "mul", "concat"], array.nth(equations, i))
io.println_i64(out) io.println_i64(out)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
let equations: array = [] let equations: Array = []
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let parts: array = str.split(line, ": ") let parts: Array = str.split(line, ": ")
let xs: array = str.split(array.nth(parts, 1), " ") let xs: Array = str.split(array.nth(parts, 1), " ")
for j in 0..array.size(xs) for j in 0..xs->size
array.set(xs, j, str.parse_i64(array.nth(xs, j))) array.set(xs, j, str.parse_i64(array.nth(xs, j)))
array.push(equations, [str.parse_i64(array.nth(parts, 0)), xs]) array.push(equations, [str.parse_i64(array.nth(parts, 0)), xs])

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@@ -1,8 +1,8 @@
func part1[lines: array] : void func part1[lines: Array] : void
let password = 0 let password = 0
let dial = 50 let dial = 50
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let dir: u8 = line[0] let dir: u8 = line[0]
let n: i64 = str.substr(line, 1, str.len(line) - 1) |> str.parse_i64() let n: i64 = str.substr(line, 1, str.len(line) - 1) |> str.parse_i64()
@@ -21,11 +21,11 @@ func part1[lines: array] : void
io.println_i64(password) io.println_i64(password)
func part2[lines: array] : void func part2[lines: Array] : void
let password = 0 let password = 0
let dial = 50 let dial = 50
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let dir: u8 = line[0] let dir: u8 = line[0]
let n: i64 = str.substr(line, 1, str.len(line) - 1) |> str.parse_i64() let n: i64 = str.substr(line, 1, str.len(line) - 1) |> str.parse_i64()
@@ -47,7 +47,7 @@ func part2[lines: array] : void
io.println_i64(password) io.println_i64(password)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
part1(lines) part1(lines)
part2(lines) part2(lines)

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@@ -8,11 +8,11 @@ func part1_is_invalid_id[s: str] : bool
return str.equal(first, second) return str.equal(first, second)
func part1[ranges: array] : void func part1[ranges: Array] : void
let sum = 0 let sum = 0
for i in 0..array.size(ranges) for i in 0..ranges->size
let parts: array = array.nth(ranges, i) |> str.split("-") let parts: Array = array.nth(ranges, i) |> str.split("-")
let start: i64 = array.nth(parts, 0) |> str.parse_i64() let start: i64 = array.nth(parts, 0) |> str.parse_i64()
let end: i64 = array.nth(parts, 1) |> str.parse_i64() let end: i64 = array.nth(parts, 1) |> str.parse_i64()
@@ -39,11 +39,11 @@ func part2_is_invalid_id[s: str] : bool
return true return true
return false return false
func part2[ranges: array] : void func part2[ranges: Array] : void
let sum = 0 let sum = 0
for i in 0..array.size(ranges) for i in 0..ranges->size
let parts: array = array.nth(ranges, i) |> str.split("-") let parts: Array = array.nth(ranges, i) |> str.split("-")
let start: i64 = array.nth(parts, 0) |> str.parse_i64() let start: i64 = array.nth(parts, 0) |> str.parse_i64()
let end: i64 = array.nth(parts, 1) |> str.parse_i64() let end: i64 = array.nth(parts, 1) |> str.parse_i64()
@@ -54,7 +54,7 @@ func part2[ranges: array] : void
io.println_i64(sum) io.println_i64(sum)
func main[] : i64 func main[] : i64
let ranges: array = io.read_file("input.txt") |> str.split(",") let ranges: Array = io.read_file("input.txt") |> str.split(",")
part1(ranges) part1(ranges)
part2(ranges) part2(ranges)

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@@ -1,7 +1,7 @@
func part1[lines: array] : void func part1[lines: Array] : void
let sum = 0 let sum = 0
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
let largest = 0 let largest = 0
@@ -35,17 +35,17 @@ func part2_rec[bank: str, start: i64, remaining: i64] : i64
else else
return largest return largest
func part2[lines: array] : void func part2[lines: Array] : void
let sum = 0 let sum = 0
for i in 0..array.size(lines) for i in 0..lines->size
let line: str = array.nth(lines, i) let line: str = array.nth(lines, i)
sum = sum + part2_rec(line, 0, 12) sum = sum + part2_rec(line, 0, 12)
io.println_i64(sum) io.println_i64(sum)
func main[] : i64 func main[] : i64
let lines: array = io.read_file("input.txt") |> str.split("\n") let lines: Array = io.read_file("input.txt") |> str.split("\n")
part1(lines) part1(lines)
part2(lines) part2(lines)

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@@ -1,7 +1,7 @@
func main[] : i64 func main[] : i64
let N = 20 let N = 20
let grid: array = [] let grid: Array = []
array.push(grid, [8, 2, 22, 97, 38, 15, 0, 40, 0, 75, 4, 5, 7, 78, 52, 12, 50, 77, 91, 8]) array.push(grid, [8, 2, 22, 97, 38, 15, 0, 40, 0, 75, 4, 5, 7, 78, 52, 12, 50, 77, 91, 8])
array.push(grid, [49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 4, 56, 62, 0]) array.push(grid, [49, 49, 99, 40, 17, 81, 18, 57, 60, 87, 17, 40, 98, 43, 69, 48, 4, 56, 62, 0])
array.push(grid, [81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 3, 49, 13, 36, 65]) array.push(grid, [81, 49, 31, 73, 55, 79, 14, 29, 93, 71, 40, 67, 53, 88, 30, 3, 49, 13, 36, 65])

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@@ -1,10 +1,10 @@
func main[] : i64 func main[] : i64
let n: array = [] let n: Array = []
array.push(n, 1) array.push(n, 1)
for j in 0..1000 for j in 0..1000
let carry = 0 let carry = 0
for i in 0..array.size(n) for i in 0..n->size
let tmp: i64 = array.nth(n, i) * 2 + carry let tmp: i64 = array.nth(n, i) * 2 + carry
array.set(n, i, tmp % 10) array.set(n, i, tmp % 10)
carry = tmp / 10 carry = tmp / 10
@@ -13,7 +13,7 @@ func main[] : i64
carry = carry / 10 carry = carry / 10
let sum = 0 let sum = 0
for i in 0..array.size(n) for i in 0..n->size
sum = sum + array.nth(n, i) sum = sum + array.nth(n, i)
io.println_i64(sum) io.println_i64(sum)

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@@ -1,7 +1,7 @@
func main[] : i64 func main[] : i64
let s1: array = [0, 3, 3, 5, 4, 4, 3, 5, 5, 4] let s1: Array = [0, 3, 3, 5, 4, 4, 3, 5, 5, 4]
let s2: array = [3, 6, 6, 8, 8, 7, 7, 9, 8, 8] let s2: Array = [3, 6, 6, 8, 8, 7, 7, 9, 8, 8]
let s3: array = [0, 0, 6, 6, 5, 5, 5, 7, 6, 6] let s3: Array = [0, 0, 6, 6, 5, 5, 5, 7, 6, 6]
let sum = 0 let sum = 0

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@@ -1,4 +1,4 @@
func findmax[triangle: array, row: i64, col: i64] : i64 func findmax[triangle: Array, row: i64, col: i64] : i64
if row == 14 if row == 14
return array.nth(array.nth(triangle, row), col) return array.nth(array.nth(triangle, row), col)
@@ -8,7 +8,7 @@ func findmax[triangle: array, row: i64, col: i64] : i64
return array.nth(array.nth(triangle, row), col) + math.max(left, right) return array.nth(array.nth(triangle, row), col) + math.max(left, right)
func main[] : i64 func main[] : i64
let triangle: array = [] let triangle: Array = []
array.push(triangle, [75]) array.push(triangle, [75])
array.push(triangle, [95, 64]) array.push(triangle, [95, 64])
array.push(triangle, [17, 47, 82]) array.push(triangle, [17, 47, 82])

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@@ -1,6 +1,6 @@
func multiply[n: array, x: i64] : void func multiply[n: Array, x: i64] : void
let carry = 0 let carry = 0
for i in 0..array.size(n) for i in 0..n->size
let prod: i64 = array.nth(n, i) * x + carry let prod: i64 = array.nth(n, i) * x + carry
array.set(n, i, prod % 10) array.set(n, i, prod % 10)
carry = prod / 10 carry = prod / 10
@@ -9,13 +9,13 @@ func multiply[n: array, x: i64] : void
carry = carry / 10 carry = carry / 10
func main[] : i64 func main[] : i64
let n: array = [1] let n: Array = [1]
for i in 2..101 for i in 2..101
multiply(n, i) multiply(n, i)
let sum = 0 let sum = 0
for i in 0..array.size(n) for i in 0..n->size
sum = sum + array.nth(n, i) sum = sum + array.nth(n, i)
io.println_i64(sum) io.println_i64(sum)

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@@ -1,15 +1,15 @@
func main[] : i64 func main[] : i64
let arr: array = [] let arr: Array = []
for i in 0..10 for i in 0..10
array.push(arr, math.abs(os.urandom_i64()) % 1000) array.push(arr, math.abs(os.urandom_i64()) % 1000)
for i in 0..array.size(arr) for i in 0..arr->size
io.println_i64(array.nth(arr, i)) io.println_i64(array.nth(arr, i))
io.println("------------") io.println("------------")
alg.quicksort(arr) alg.quicksort(arr)
for i in 0..array.size(arr) for i in 0..arr->size
io.println_i64(array.nth(arr, i)) io.println_i64(array.nth(arr, i))
array.free(arr) array.free(arr)

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@@ -1,22 +1,21 @@
func rule110_step[state: array] : array func rule110_step[state: Array] : Array
let new_state: array = [] let new_state: Array = []
let state_len: i64 = array.size(state)
for i in 0..state_len for i in 0..state->size
let left: bool = false let left: bool = false
if i - 1 >= 0 if i - 1 >= 0
left = array.nth(state, i - 1) left = array.nth(state, i - 1)
let center: bool = array.nth(state, i) let center: bool = array.nth(state, i)
let right: bool = false let right: bool = false
if i + 1 < state_len if i + 1 < state->size
right = array.nth(state, i + 1) right = array.nth(state, i + 1)
array.push(new_state, !((!left && !center && !right) || (left && !center && !right) || (left && center && right))) array.push(new_state, !((!left && !center && !right) || (left && !center && !right) || (left && center && right)))
return new_state return new_state
func print_state[state: array]: void func print_state[state: Array]: void
for i in 0..array.size(state) for i in 0..state->size
if array.nth(state, i) if array.nth(state, i)
io.print_char('#') io.print_char('#')
else else
@@ -26,7 +25,7 @@ func print_state[state: array]: void
func main[] : i64 func main[] : i64
let SIZE = 60 let SIZE = 60
let state: array = [] let state: Array = []
for i in 0..SIZE for i in 0..SIZE
array.push(state, false) array.push(state, false)
array.push(state, true) array.push(state, true)

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@@ -17,11 +17,11 @@ func main[] : i64
rc = sqlite3_open("todo.db", ^db) rc = sqlite3_open("todo.db", ^db)
if rc if rc
dbg.panic("failed to open db") panic("failed to open db")
rc = sqlite3_exec(db, "CREATE TABLE IF NOT EXISTS todo(id INTEGER PRIMARY KEY AUTOINCREMENT, task TEXT NOT NULL);", 0, 0, 0) rc = sqlite3_exec(db, "CREATE TABLE IF NOT EXISTS todo(id INTEGER PRIMARY KEY AUTOINCREMENT, task TEXT NOT NULL);", 0, 0, 0)
if rc if rc
dbg.panic(sqlite3_errmsg(db)) panic(sqlite3_errmsg(db))
while true while true
io.println("1. List tasks") io.println("1. List tasks")
@@ -54,7 +54,7 @@ func main[] : i64
sqlite3_prepare_v2(db, "INSERT INTO todo(task) VALUES (?);", -1, ^stmt, 0) sqlite3_prepare_v2(db, "INSERT INTO todo(task) VALUES (?);", -1, ^stmt, 0)
sqlite3_bind_text(stmt, 1, task, -1, 0) sqlite3_bind_text(stmt, 1, task, -1, 0)
if sqlite3_step(stmt) != 101 if sqlite3_step(stmt) != 101
dbg.panic(sqlite3_errmsg(db)) panic(sqlite3_errmsg(db))
io.println("\nTask added\n") io.println("\nTask added\n")
else if choice == 3 else if choice == 3
@@ -64,7 +64,7 @@ func main[] : i64
sqlite3_prepare_v2(db, "DELETE FROM todo WHERE id = ?;", -1, ^stmt, 0) sqlite3_prepare_v2(db, "DELETE FROM todo WHERE id = ?;", -1, ^stmt, 0)
sqlite3_bind_int(stmt, 1, id, -1, 0) sqlite3_bind_int(stmt, 1, id, -1, 0)
if sqlite3_step(stmt) != 101 if sqlite3_step(stmt) != 101
dbg.panic(sqlite3_errmsg(db)) panic(sqlite3_errmsg(db))
io.println("\nTask deleted\n") io.println("\nTask deleted\n")

View File

@@ -70,7 +70,7 @@ macro_rules! emit {
static REGISTERS: [&str; 6] = ["rdi", "rsi", "rdx", "rcx", "r8", "r9"]; static REGISTERS: [&str; 6] = ["rdi", "rsi", "rdx", "rcx", "r8", "r9"];
// TODO: currently they are all just 64 bit values // TODO: currently they are all just 64 bit values
static BUILTIN_TYPES: [&str; 7] = ["void", "u8", "i64", "str", "bool", "ptr", "array"]; static BUILTIN_TYPES: [&str; 6] = ["void", "u8", "i64", "str", "bool", "ptr"];
pub struct CodegenX86_64<'a> { pub struct CodegenX86_64<'a> {
output: String, output: String,
@@ -106,6 +106,20 @@ impl<'a> CodegenX86_64<'a> {
"section .note.GNU-stack "section .note.GNU-stack
db 0 db 0
section .bss
_heap_head: resq 1
_heap_tail: resq 1
section .text._builtin_heap_head
_builtin_heap_head:
lea rax, [rel _heap_head]
ret
section .text._builtin_heap_tail
_builtin_heap_tail:
lea rax, [rel _heap_tail]
ret
section .text._builtin_read64 section .text._builtin_read64
_builtin_read64: _builtin_read64:
mov rax, qword [rdi] mov rax, qword [rdi]
@@ -226,7 +240,7 @@ _builtin_environ:
Stmt::Function { Stmt::Function {
name, name,
params, params,
return_type: _, return_type,
body, body,
exported, exported,
} => { } => {
@@ -239,10 +253,17 @@ _builtin_environ:
emit!(&mut self.output, " mov rbp, rsp"); emit!(&mut self.output, " mov rbp, rsp");
emit!(&mut self.output, " sub rsp, 256"); // TODO emit!(&mut self.output, " sub rsp, 256"); // TODO
if !self.is_valid_type_name(&return_type.lexeme) {
return error!(
&return_type.loc,
"unrecognized type: ".to_owned() + &return_type.lexeme
);
}
for (i, param) in params.iter().enumerate() { for (i, param) in params.iter().enumerate() {
if !self.is_valid_type_name(&param.var_type.lexeme) { if !self.is_valid_type_name(&param.var_type.lexeme) {
return error!( return error!(
&name.loc, &param.var_name.loc,
"unrecognized type: ".to_owned() + &param.var_type.lexeme "unrecognized type: ".to_owned() + &param.var_type.lexeme
); );
} }

View File

@@ -22,7 +22,7 @@ func crypto.blake2b._G[v: ptr, a: i64, b: i64, c: i64, d: i64, x: i64, y: i64] :
mem.write64(v + c * 8, mem.read64(v + c * 8) + mem.read64(v + d * 8)) mem.write64(v + c * 8, mem.read64(v + c * 8) + mem.read64(v + d * 8))
mem.write64(v + b * 8, crypto.rotr64(mem.read64(v + b * 8) ^ mem.read64(v + c * 8), 63)) mem.write64(v + b * 8, crypto.rotr64(mem.read64(v + b * 8) ^ mem.read64(v + c * 8), 63))
func crypto.blake2b._compress[h: ptr, block: ptr, t0: i64, t1: i64, last: i64, iv: array, sigma: array] : void func crypto.blake2b._compress[h: ptr, block: ptr, t0: i64, t1: i64, last: i64, iv: Array, sigma: Array] : void
let v: ptr = mem.alloc(16 * 8) let v: ptr = mem.alloc(16 * 8)
let m: ptr = mem.alloc(16 * 8) let m: ptr = mem.alloc(16 * 8)
@@ -60,17 +60,17 @@ func crypto.blake2b._compress[h: ptr, block: ptr, t0: i64, t1: i64, last: i64, i
func crypto.blake2b.hash[outlen: i64, key: ptr, keylen: i64, input: ptr, inputlen: i64] : ptr func crypto.blake2b.hash[outlen: i64, key: ptr, keylen: i64, input: ptr, inputlen: i64] : ptr
if outlen == 0 || outlen > 64 || keylen > 64 if outlen == 0 || outlen > 64 || keylen > 64
dbg.panic("invalid length passed to crypto.blake2b.hash") panic("invalid length passed to crypto.blake2b.hash")
let out: ptr = mem.alloc(outlen) let out: ptr = mem.alloc(outlen)
// IV[i] = floor(2**w * frac(sqrt(prime(i+1)))), where prime(i) // IV[i] = floor(2**w * frac(sqrt(prime(i+1)))), where prime(i)
// is the i:th prime number ( 2, 3, 5, 7, 11, 13, 17, 19 ) // is the i:th prime number ( 2, 3, 5, 7, 11, 13, 17, 19 )
// and sqrt(x) is the square root of x. // and sqrt(x) is the square root of x.
// https://www.ietf.org/rfc/rfc7693#section-2.6 // https://www.ietf.org/rfc/rfc7693#section-2.6
let iv: array = [0x6a09e667f3bcc908, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1, 0x510e527fade682d1, 0x9b05688c2b3e6c1f, 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179] let iv: Array = [0x6a09e667f3bcc908, 0xbb67ae8584caa73b, 0x3c6ef372fe94f82b, 0xa54ff53a5f1d36f1, 0x510e527fade682d1, 0x9b05688c2b3e6c1f, 0x1f83d9abfb41bd6b, 0x5be0cd19137e2179]
// https://crypto.stackexchange.com/questions/108987/rationale-for-blake2-message-schedule // https://crypto.stackexchange.com/questions/108987/rationale-for-blake2-message-schedule
let sigma: array = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,10,4,8,9,15,13,6,1,12,0,2,11,7,5,3,11,8,12,0,5,2,15,13,10,14,3,6,7,1,9,4,7,9,3,1,13,12,11,14,2,6,5,10,4,0,15,8,9,0,5,7,2,4,10,15,14,1,11,12,6,8,3,13,2,12,6,10,0,11,8,3,4,13,7,5,15,14,1,9,12,5,1,15,14,13,4,10,0,7,6,3,9,2,8,11,13,11,7,14,12,1,3,9,5,0,15,4,8,6,2,10,6,15,14,9,11,3,0,8,12,2,13,7,1,4,10,5,10,2,8,4,7,6,1,5,15,11,9,14,3,12,13,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,10,4,8,9,15,13,6,1,12,0,2,11,7,5,3] let sigma: Array = [0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,10,4,8,9,15,13,6,1,12,0,2,11,7,5,3,11,8,12,0,5,2,15,13,10,14,3,6,7,1,9,4,7,9,3,1,13,12,11,14,2,6,5,10,4,0,15,8,9,0,5,7,2,4,10,15,14,1,11,12,6,8,3,13,2,12,6,10,0,11,8,3,4,13,7,5,15,14,1,9,12,5,1,15,14,13,4,10,0,7,6,3,9,2,8,11,13,11,7,14,12,1,3,9,5,0,15,4,8,6,2,10,6,15,14,9,11,3,0,8,12,2,13,7,1,4,10,5,10,2,8,4,7,6,1,5,15,11,9,14,3,12,13,0,0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,14,10,4,8,9,15,13,6,1,12,0,2,11,7,5,3]
let h: ptr = mem.alloc(8 * 8) let h: ptr = mem.alloc(8 * 8)
let t0 = 0 let t0 = 0

View File

@@ -1,19 +1,128 @@
extern malloc func panic[msg: str] : void
extern realloc
extern free
extern gethostbyname
func dbg.panic[msg: str] : void
io.print("PANIC: ") io.print("PANIC: ")
io.println(msg) io.println(msg)
(0 / 0) // crashes program which is kinda better since you get a gdb backtrace (0 / 0) // crashes program which is kinda better since you get a gdb backtrace
os.exit(1) os.exit(1)
func mem.alloc[x: i64] : ptr const MEM_BLOCK_SIZE = 24
return malloc(x)
struct mem.Block
size: i64
free: bool
next: mem.Block
func mem._align[x: i64] : i64
return (x + 7) & -8
func mem._split_block[blk: mem.Block, needed: i64] : void
if blk->size >= needed + MEM_BLOCK_SIZE + 8
let new_blk: mem.Block = blk + MEM_BLOCK_SIZE + needed
new_blk->size = blk->size - needed - MEM_BLOCK_SIZE
new_blk->free = true
new_blk->next = blk->next
blk->size = needed
blk->next = new_blk
if mem.read64(_builtin_heap_tail()) == blk
mem.write64(_builtin_heap_tail(), new_blk)
func mem._request_space[size: i64] : mem.Block
let blk: mem.Block = _builtin_syscall(SYS_brk, 0)
let new_brk: ptr = blk + MEM_BLOCK_SIZE + size
let result: ptr = _builtin_syscall(SYS_brk, new_brk)
if result != new_brk
return 0
blk->size = size
blk->free = false
blk->next = 0
let tail: mem.Block = mem.read64(_builtin_heap_tail())
if tail
tail->next = blk
mem.write64(_builtin_heap_tail(), blk)
return blk
func mem._coalesce[] : void
let cur: mem.Block = mem.read64(_builtin_heap_head())
while cur && cur->next
let next: mem.Block = cur->next
if cur->free && next->free
cur->size = cur->size + MEM_BLOCK_SIZE + next->size
cur->next = next->next
if !cur->next
mem.write64(_builtin_heap_tail(), cur)
else
cur = cur->next
func mem.alloc[size: i64] : ptr
if size == 0
return 0
size = mem._align(size)
let cur: mem.Block = mem.read64(_builtin_heap_head())
while cur
if cur->free && cur->size >= size
mem._split_block(cur, size)
cur->free = false
return cur + MEM_BLOCK_SIZE
cur = cur->next
let blk: mem.Block = mem._request_space(size)
if !blk
return 0
if !mem.read64(_builtin_heap_head())
mem.write64(_builtin_heap_head(), blk)
return blk + MEM_BLOCK_SIZE
func mem.free[x: ptr] : void func mem.free[x: ptr] : void
free(x) if !x
return 0
let blk: mem.Block = x - MEM_BLOCK_SIZE
blk->free = true
mem._coalesce()
func mem.realloc[x: ptr, new_size: i64] : ptr
if !x
return mem.alloc(new_size)
if new_size == 0
mem.free(x)
return 0
new_size = mem._align(new_size)
let blk: mem.Block = x - MEM_BLOCK_SIZE
if blk->size >= new_size
mem._split_block(blk, new_size)
return x
let next: mem.Block = blk->next
if next && next->free
let combined: i64 = blk->size + MEM_BLOCK_SIZE + next->size
if combined >= new_size
blk->size = combined
blk->next = next->next
if !blk->next
mem.write64(_builtin_heap_tail(), blk)
mem._split_block(blk, new_size)
return x
let new_ptr: ptr = mem.alloc(new_size)
if !new_ptr
return 0
for i in 0..blk->size
new_ptr[i] = x[i]
mem.free(x)
return new_ptr
func mem.zero_and_free[x: ptr, size: i64] : void func mem.zero_and_free[x: ptr, size: i64] : void
mem.zero(x, size) mem.zero(x, size)
@@ -90,7 +199,7 @@ func io.read_line[]: str
func io.read_file[path: str] : str func io.read_file[path: str] : str
let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0) let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0)
if fd <= 0 if fd <= 0
dbg.panic("failed to open file") panic("failed to open file")
let size: i64 = _builtin_syscall(SYS_lseek, fd, 0, 2) let size: i64 = _builtin_syscall(SYS_lseek, fd, 0, 2)
_builtin_syscall(SYS_lseek, fd, 0, 0) _builtin_syscall(SYS_lseek, fd, 0, 0)
@@ -101,24 +210,28 @@ func io.read_file[path: str] : str
buffer[n] = 0 buffer[n] = 0
return buffer return buffer
func io.read_binary_file[path: str, len_ptr: ptr] : ptr struct io.Buffer
data: ptr
size: i64
func io.read_binary_file[path: str] : io.Buffer
let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0) let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0)
if fd < 0 if fd < 0
dbg.panic("failed to open file") panic("failed to open file")
let size: i64 = _builtin_syscall(SYS_lseek, fd, 0, 2) let buffer: io.Buffer = new io.Buffer
buffer->size = _builtin_syscall(SYS_lseek, fd, 0, 2)
_builtin_syscall(SYS_lseek, fd, 0, 0) _builtin_syscall(SYS_lseek, fd, 0, 0)
let buffer: ptr = mem.alloc(size) buffer->data = mem.alloc(buffer->size)
_builtin_syscall(SYS_read, fd, buffer, size) _builtin_syscall(SYS_read, fd, buffer->data, buffer->size)
_builtin_syscall(SYS_close, fd) _builtin_syscall(SYS_close, fd)
mem.write64(len_ptr, size)
return buffer return buffer
func io.write_file[path: str, content: str] : void func io.write_file[path: str, content: str] : void
let fd: ptr = _builtin_syscall(SYS_openat, -100, path, 0x241, 0o644) let fd: ptr = _builtin_syscall(SYS_openat, -100, path, 0x241, 0o644)
if fd < 0 if fd < 0
dbg.panic("failed to open file") panic("failed to open file")
_builtin_syscall(SYS_write, fd, content, str.len(content)) _builtin_syscall(SYS_write, fd, content, str.len(content))
_builtin_syscall(SYS_close, fd) _builtin_syscall(SYS_close, fd)
@@ -195,7 +308,7 @@ func str.find[haystack: str, needle: str] : i64
func str.substr[s: str, start: i64, length: i64] : str func str.substr[s: str, start: i64, length: i64] : str
if start < 0 || length < 0 || start + length > str.len(s) if start < 0 || length < 0 || start + length > str.len(s)
dbg.panic("str.substr out of bounds") panic("str.substr out of bounds")
let out: str = mem.alloc(length + 1) let out: str = mem.alloc(length + 1)
for i in 0..length for i in 0..length
@@ -219,10 +332,10 @@ func str.trim[s: str] : str
return str.substr(s, start, end - start + 1) return str.substr(s, start, end - start + 1)
func str.split[haystack: str, needle: str]: array func str.split[haystack: str, needle: str]: Array
let haystack_len: i64 = str.len(haystack) let haystack_len: i64 = str.len(haystack)
let needle_len: i64 = str.len(needle) let needle_len: i64 = str.len(needle)
let result: array = [] let result: Array = []
if !needle_len if !needle_len
if !haystack_len if !haystack_len
@@ -410,7 +523,7 @@ func math.lcm[a: i64, b: i64] : i64
func math.isqrt[n: i64] : i64 func math.isqrt[n: i64] : i64
if n < 0 if n < 0
dbg.panic("negative number passed to math.isqrt") panic("negative number passed to math.isqrt")
if n == 0 || n == 1 if n == 0 || n == 1
return n return n
@@ -438,85 +551,74 @@ func math.is_prime[n: i64]: bool
i = i + 6 i = i + 6
return true return true
func array.new[] : array struct Array
// [ 8 bytes - ptr to data ] [ 8 bytes - size ] [ 8 bytes - capacity ] data: ptr
let arr: ptr = mem.alloc(24) size: i64
mem.zero(arr, 24) capacity: i64
return arr
func array.nth[xs: array, n: i64] : i64 func array.new[] : Array
if n < 0 || n >= array.size(xs) return new Array
dbg.panic("array.nth out of bounds")
let data: ptr = mem.read64(xs)
return mem.read64(data + n * 8)
func array.set[xs: array, n: i64, x: i64] : void func array.nth[xs: Array, n: i64] : i64
if n < 0 || n >= array.size(xs) if n < 0 || n >= xs->size
dbg.panic("array.set out of bounds") panic("array.nth out of bounds")
let data: ptr = mem.read64(xs) return mem.read64(xs->data + n * 8)
mem.write64(data + n * 8, x)
func array.push[xs: array, x: i64] : void func array.set[xs: Array, n: i64, x: i64] : void
let data: ptr = mem.read64(xs) if n < 0 || n >= xs->size
let capacity: i64 = mem.read64(xs + 8) panic("array.set out of bounds")
let size: i64 = mem.read64(xs + 16) mem.write64(xs->data + n * 8, x)
if size == capacity func array.push[xs: Array, x: i64] : void
if xs->size == xs->capacity
let new_capacity = 4 let new_capacity = 4
if capacity != 0 if xs->capacity != 0
new_capacity = capacity * 2 new_capacity = xs->capacity * 2
let new_data: ptr = realloc(data, new_capacity * 8) xs->data = mem.realloc(xs->data, new_capacity * 8)
mem.write64(xs, new_data) xs->capacity = new_capacity
mem.write64(xs + 8, new_capacity)
data = new_data
mem.write64(data + size * 8, x) mem.write64(xs->data + xs->size * 8, x)
mem.write64(xs + 16, size + 1) xs->size = xs->size + 1
func array.size[xs: array] : i64 func array.free[xs: Array] : void
return mem.read64(xs + 16) if xs->data != 0
mem.free(xs->data)
func array.free[xs: array] : void
let data: ptr = mem.read64(xs)
if data != 0
mem.free(data)
mem.free(xs) mem.free(xs)
func array.pop[xs: array] : i64 func array.pop[xs: Array] : i64
let size: i64 = array.size(xs) if xs->size == 0
if size == 0 panic("array.pop on empty array")
dbg.panic("array.pop on empty array") let x: i64 = array.nth(xs, xs->size - 1)
let x: i64 = array.nth(xs, size - 1) xs->size = xs->size - 1
mem.write64(xs + 16, size - 1)
return x 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 > array.size(xs) if start < 0 || length < 0 || start + length > xs->size
dbg.panic("array.slice out of bounds") panic("array.slice out of bounds")
let new_array: array = [] let new_array: Array = []
for i in 0..length for i in 0..length
array.push(new_array, array.nth(xs, start + i)) array.push(new_array, array.nth(xs, start + i))
return new_array return new_array
func array.concat[a: array, b: array] : array func array.concat[a: Array, b: Array] : Array
let new_array: array = [] let new_array: Array = []
for i in 0..array.size(a) for i in 0..a->size
array.push(new_array, array.nth(a, i)) array.push(new_array, array.nth(a, i))
for i in 0..array.size(b) for i in 0..b->size
array.push(new_array, array.nth(b, i)) array.push(new_array, array.nth(b, i))
return new_array return new_array
func alg.quicksort[arr: array] : void func alg.quicksort[arr: Array] : void
alg._do_quicksort(arr, 0, array.size(arr) - 1) alg._do_quicksort(arr, 0, arr->size - 1)
func alg._do_quicksort[arr: array, low: i64, high: i64] : void func alg._do_quicksort[arr: Array, low: i64, high: i64] : void
if low < high if low < high
let i: i64 = alg._partition(arr, low, high) let i: i64 = alg._partition(arr, low, high)
alg._do_quicksort(arr, low, i - 1) alg._do_quicksort(arr, low, i - 1)
alg._do_quicksort(arr, i + 1, high) alg._do_quicksort(arr, i + 1, high)
func alg._partition[arr: array, low: i64, high: i64] : i64 func alg._partition[arr: Array, low: i64, high: i64] : i64
let pivot: i64 = array.nth(arr, high) let pivot: i64 = array.nth(arr, high)
let i: i64 = low - 1 let i: i64 = low - 1
for j in (low)..high for j in (low)..high
@@ -530,29 +632,28 @@ func alg._partition[arr: array, low: i64, high: i64] : i64
array.set(arr, high, temp) array.set(arr, high, temp)
return i + 1 return i + 1
func alg.count[arr: array, item: i64] : i64 func alg.count[arr: Array, item: i64] : i64
let count = 0 let count = 0
let size: i64 = array.size(arr) for i in 0..arr->size
for i in 0..size
if array.nth(arr, i) == item if array.nth(arr, i) == item
count = count + 1 count = count + 1
return count return count
func alg.map[arr: array, fn: ptr] : array func alg.map[arr: Array, fn: ptr] : Array
let out: array = [] let out: Array = []
for i in 0..array.size(arr) for i in 0..arr->size
array.push(out, fn(array.nth(arr, i))) array.push(out, fn(array.nth(arr, i)))
return out return out
func alg.filter[arr: array, fn: ptr] : array func alg.filter[arr: Array, fn: ptr] : Array
let out: array = [] let out: Array = []
for i in 0..array.size(arr) for i in 0..arr->size
if fn(array.nth(arr, i)) if fn(array.nth(arr, i))
array.push(out, array.nth(arr, i)) array.push(out, array.nth(arr, i))
return out return out
func alg.reduce[arr: array, fn: ptr, acc: i64] : i64 func alg.reduce[arr: Array, fn: ptr, acc: i64] : i64
for i in 0..array.size(arr) for i in 0..arr->size
acc = fn(acc, array.nth(arr, i)) acc = fn(acc, array.nth(arr, i))
return acc return acc
@@ -572,21 +673,23 @@ func os.urandom_i64[]: i64
mem.free(buffer) mem.free(buffer)
return n return n
struct os.Timeval
tv_sec: i64
tv_usec: i64
func os.time[] : i64 func os.time[] : i64
let tv: ptr = mem.alloc(16) let tv: os.Timeval = new os.Timeval
_builtin_syscall(SYS_gettimeofday, tv, 0) _builtin_syscall(SYS_gettimeofday, tv, 0)
let seconds: i64 = mem.read64(tv)
let microseconds: i64 = mem.read64(tv + 8)
mem.free(tv) mem.free(tv)
return seconds * 1000 + microseconds / 1000 return tv->tv_sec * 1000 + tv->tv_usec / 1000
// voodoo magic // voodoo magic
func os.shell[command: str] : i64 func os.shell[command: str] : i64
let pid: i64 = _builtin_syscall(SYS_fork) let pid: i64 = _builtin_syscall(SYS_fork)
if pid == 0 if pid == 0
// leaky but not sure where can i free it // leaky but not sure where can i free it
let argv: array = ["sh", "-c", command, 0] let argv: Array = ["sh", "-c", command, 0]
_builtin_syscall(SYS_execve, "/bin/sh", mem.read64(argv), _builtin_environ()) _builtin_syscall(SYS_execve, "/bin/sh", argv->data, _builtin_environ())
_builtin_syscall(SYS_exit, 1) _builtin_syscall(SYS_exit, 1)
else else
let status = 0 let status = 0
@@ -600,12 +703,12 @@ func os.shell[command: str] : i64
else else
return -(st & 0x7f) return -(st & 0x7f)
func os.listdir[path: str] : array func os.listdir[path: str] : Array
let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0) let fd: i64 = _builtin_syscall(SYS_openat, -100, path, 0, 0)
if fd < 0 if fd < 0
return [] return []
let files: array = [] let files: Array = []
let buf: ptr = mem.alloc(1024) let buf: ptr = mem.alloc(1024)
while true while true
let n: i64 = _builtin_syscall(SYS_getdents64, fd, buf, 1024) let n: i64 = _builtin_syscall(SYS_getdents64, fd, buf, 1024)
@@ -667,13 +770,7 @@ func net.listen[packed_host: i64, port: i64] : i64
return s return s
func net.connect[host: str, port: i64] : i64 func net.connect[packed_host: i64, port: i64] : i64
let he: ptr = gethostbyname(host)
if he == 0
return -1
let ip_ptr: ptr = mem.read64(mem.read64(he + 24))
let s: i64 = _builtin_syscall(SYS_socket, 2, 1, 0) let s: i64 = _builtin_syscall(SYS_socket, 2, 1, 0)
if s < 0 if s < 0
return -1 return -1
@@ -681,12 +778,13 @@ func net.connect[host: str, port: i64] : i64
let sa: ptr = mem.alloc(16) let sa: ptr = mem.alloc(16)
mem.zero(sa, 16) mem.zero(sa, 16)
sa[0] = 2 sa[0] = 2
sa[1] = 0
sa[2] = (port >> 8) & 255 sa[2] = (port >> 8) & 255
sa[3] = port & 255 sa[3] = port & 255
sa[4] = ip_ptr[0] sa[4] = (packed_host >> 24) & 255
sa[5] = ip_ptr[1] sa[5] = (packed_host >> 16) & 255
sa[6] = ip_ptr[2] sa[6] = (packed_host >> 8) & 255
sa[7] = ip_ptr[3] sa[7] = packed_host & 255
if _builtin_syscall(SYS_connect, s, sa, 16) < 0 if _builtin_syscall(SYS_connect, s, sa, 16) < 0
mem.free(sa) mem.free(sa)

32
test.zr
View File

@@ -1,17 +1,17 @@
func run_test[x: str] : void func run_test[x: str] : void
let build_blacklist: array = ["examples/puzzles", "examples/raylib.zr", "examples/x11.zr", "examples/sqlite_todo.zr"] let build_blacklist: Array = ["examples/puzzles", "examples/raylib.zr", "examples/chip8.zr", "examples/sqlite_todo.zr"]
let run_blacklist: array = ["/aoc", "guess_number.zr", "tcp_server.zr"] let run_blacklist: Array = ["/aoc", "guess_number.zr", "tcp_server.zr"]
for i in 0..array.size(build_blacklist) for i in 0..build_blacklist->size
if str.equal(x, array.nth(build_blacklist, i)) if str.equal(x, array.nth(build_blacklist, i))
io.print("\033[93mSkipping ") io.print("Skipping ")
io.print(x) io.print(x)
io.println("...\033[0m") io.println("...")
return 0 return 0
io.print("\033[94mBuilding ") io.print("Building ")
io.print(x) io.print(x)
io.print("...\033[0m ") io.print("... ")
let build_start_time: i64 = os.time() let build_start_time: i64 = os.time()
if os.shell(str.concat("./target/release/zern ", x)) != 0 if os.shell(str.concat("./target/release/zern ", x)) != 0
@@ -21,16 +21,16 @@ func run_test[x: str] : void
io.print_i64(build_end_time - build_start_time) io.print_i64(build_end_time - build_start_time)
io.println("ms") io.println("ms")
for i in 0..array.size(run_blacklist) for i in 0..run_blacklist->size
if str.find(x, array.nth(run_blacklist, i)) != -1 if str.find(x, array.nth(run_blacklist, i)) != -1
io.print("\033[93mSkipping ") io.print("Skipping ")
io.print(x) io.print(x)
io.println("...\033[0m") io.println("...")
return 0 return 0
io.print("\033[95mRunning ") io.print("Running ")
io.print(x) io.print(x)
io.println("...\033[0m") io.println("...")
let run_cmd: str = "./out" let run_cmd: str = "./out"
if str.equal(x, "examples/curl.zr") if str.equal(x, "examples/curl.zr")
@@ -43,15 +43,15 @@ func run_test[x: str] : void
os.exit(1) os.exit(1)
let run_end_time: i64 = os.time() let run_end_time: i64 = os.time()
io.print("\033[92mRunning ") io.print("Running ")
io.print(x) io.print(x)
io.print(" took\033[0m ") io.print(" took ")
io.print_i64(run_end_time - run_start_time) io.print_i64(run_end_time - run_start_time)
io.println("ms") io.println("ms")
func run_directory[dir: str] : void func run_directory[dir: str] : void
let files: array = os.listdir(dir) let files: Array = os.listdir(dir)
for i in 0..array.size(files) for i in 0..files->size
run_test(str.concat(dir, array.nth(files, i))) run_test(str.concat(dir, array.nth(files, i)))
array.free(files) array.free(files)