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make index operator just read 1 byte

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This commit is contained in:
Antoni Piasecki
2025-11-13 20:17:12 +01:00
parent c1bd84464c
commit 852c463532
9 changed files with 59 additions and 56 deletions
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24
examples/brainfuck.zr
View File

@@ -9,38 +9,38 @@ func main[] : I64
let p: I64 = 0
while i < src_len
let op: U8 = str.nth(src, i)
let op: U8 = src[i]
if op == '>'
p = p + 1
else if op == '<'
p = p - 1
else if op == '+'
str.set(memory, p, mem.read8(memory + p)+1)
str.set(memory, p, memory[p]+1)
else if op == '-'
str.set(memory, p, mem.read8(memory + p)-1)
str.set(memory, p, memory[p]-1)
else if op == '.'
c.printf("%c", mem.read8(memory + p))
c.printf("%c", memory[p])
else if op == ','
str.set(memory, p, c.getchar())
else if op == '['
if !mem.read8(memory + p)
if !memory[p]
i = i + 1
let opened: I64 = 0
while i < src_len & !(str.nth(src, i) == ']' & !opened)
if str.nth(src, i) == '['
while i < src_len & !(src[i] == ']' & !opened)
if src[i] == '['
opened = opened + 1
else if str.nth(src, i) == ']'
else if src[i] == ']'
opened = opened - 1
i = i + 1
else if op == ']'
if mem.read8(memory + p)
if memory[p]
i = i - 1
let closed: I64 = 0
while i >= 0 & !(str.nth(src, i) == '[' & !closed)
if str.nth(src, i) == ']'
while i >= 0 & !(src[i] == '[' & !closed)
if src[i] == ']'
closed = closed + 1
else if str.nth(src, i) == '['
else if src[i] == '['
closed = closed - 1
i = i - 1

4
examples/curl.zr
View File

@@ -14,7 +14,7 @@ func main[argc: I64, argv: Ptr] : I64
let host_start: I64 = 7
let i: I64 = host_start
while i < url_len
if str.nth(url, i) == '/'
if url[i] == '/'
break
i = i + 1
@@ -44,7 +44,7 @@ func main[argc: I64, argv: Ptr] : I64
let current_size: I64 = header_size + n
i = 0
while i <= current_size - 4
if str.nth(header_buf, i) == 13 & str.nth(header_buf, i+1) == 10 & str.nth(header_buf, i+2) == 13 & str.nth(header_buf, i+3) == 10
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

2
examples/euler8.zr
View File

@@ -7,7 +7,7 @@ func main[] : I64
let s: I64 = 1
let j: I64 = 0
while j < 13
s = s * (str.nth(n, i + j) - '0')
s = s * (n[i + j] - '0')
j = j + 1
if s > out
out = s

4
examples/quicksort.zr
View File

@@ -4,12 +4,12 @@ func main[] : I64
array.push(arr, math.abs(math.urandom() % 1000))
for i in 0..array.size(arr)
io.print_i64(arr[i])
io.print_i64(array.nth(arr, i))
io.print("------------")
alg.quicksort(arr)
for i in 0..array.size(arr)
io.print_i64(arr[i])
io.print_i64(array.nth(arr, i))
array.free(arr)

8
examples/rule110.zr
View File

@@ -5,11 +5,11 @@ func rule110_step[state: Array] : Array
for i in 0..state_len
let left: Bool = false
if i - 1 >= 0
left = state[i-1]
let center: Bool = state[i]
left = array.nth(state, i-1)
let center: Bool = array.nth(state, i)
let right: Bool = false
if i + 1 < state_len
right = state[i+1]
right = array.nth(state, i+1)
array.push(new_state, !((!left & !center & !right) | (left & !center & !right) | (left & center & right)))
@@ -17,7 +17,7 @@ func rule110_step[state: Array] : Array
func print_state[state: Array]: Void
for i in 0..array.size(state)
if state[i]
if array.nth(state, i)
c.putchar('#')
else
c.putchar(' ')