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typecheck if and while conditions, disallow ptr multiplication

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This commit is contained in:
Antoni Piasecki
2026-03-18 11:34:25 +01:00
parent 3efb3820bc
commit 2137d49abd
5 changed files with 73 additions and 28 deletions
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24
src/std/std.zr
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@@ -53,7 +53,7 @@ func mem._split_block[blk: mem.Block, needed: i64] : void
new_blk->next = blk->next
new_blk->prev = blk
if blk->next
if blk->next as ptr
let next: mem.Block = blk->next
next->prev = new_blk
else
@@ -83,7 +83,7 @@ func mem._request_space?[size: i64] : mem.Block
blk->prev = 0 as mem.Block
let tail: mem.Block = mem.read64(_builtin_heap_tail()) as mem.Block
if tail
if tail as ptr
tail->next = blk
blk->prev = tail
@@ -99,7 +99,7 @@ func mem.alloc?[size: i64] : any
size = mem._align(size)
let cur: mem.Block = mem.read64(_builtin_heap_head()) as mem.Block
while cur
while cur as ptr
if cur->free && cur->size >= size
mem._split_block(cur, size)
cur->free = false
@@ -133,7 +133,7 @@ func mem.free[x: any] : void
if expected_next as ptr == next as ptr
blk->size = blk->size + MEM_BLOCK_SIZE + next->size
blk->next = next->next
if next->next
if next->next as ptr
let b: mem.Block = next->next
b->prev = blk
if mem.read64(_builtin_heap_tail()) == next as ptr
@@ -145,7 +145,7 @@ func mem.free[x: any] : void
if expected_blk as ptr == blk as ptr
prev->size = prev->size + MEM_BLOCK_SIZE + blk->size
prev->next = blk->next
if blk->next
if blk->next as ptr
let b: mem.Block = blk->next
b->prev = prev
if mem.read64(_builtin_heap_tail()) == blk as ptr
@@ -154,12 +154,12 @@ func mem.free[x: any] : void
let block_total: i64 = blk->size + MEM_BLOCK_SIZE
if (blk as i64 & 4095) == 0 && (block_total & 4095) == 0
if blk->prev
if blk->prev as ptr
let b: mem.Block = blk->prev
b->next = blk->next
else
mem.write64(_builtin_heap_head(), blk->next)
if blk->next
if blk->next as ptr
let b: mem.Block = blk->next
b->prev = blk->prev
else
@@ -194,7 +194,7 @@ func mem.realloc?[x: ptr, new_size: i64] : ptr
if combined >= new_size
blk->size = combined
blk->next = next->next
if next->next
if next->next as ptr
let b: mem.Block = next->next
b->prev = blk
if mem.read64(_builtin_heap_tail()) == next as ptr
@@ -771,7 +771,7 @@ struct Array
func array.new[] : Array
return new Array
func array.new_with_size_zeroed[size: i64] : Array
func array.new_preallocated_and_zeroed[size: i64] : Array
let xs: Array = new Array
if size > 0
xs->data = must(mem.realloc?(xs->data, size * 8)) as ptr
@@ -817,13 +817,13 @@ 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")
let new_array: Array = array.new_with_size_zeroed(length)
let new_array: Array = array.new_preallocated_and_zeroed(length)
for i in 0..length
array.set(new_array, i, array.nth(xs, start + i))
return new_array
func array.concat[a: Array, b: Array] : Array
let new_array: Array = array.new_with_size_zeroed(a->size + b->size)
let new_array: Array = array.new_preallocated_and_zeroed(a->size + b->size)
for i in 0..a->size
array.set(new_array, i, array.nth(a, i))
for i in 0..b->size
@@ -861,7 +861,7 @@ func alg.count[arr: Array, item: any] : i64
return count
func alg.map[arr: Array, fn: fnptr] : Array
let out: Array = array.new_with_size_zeroed(arr->size)
let out: Array = array.new_preallocated_and_zeroed(arr->size)
for i in 0..arr->size
array.set(out, i, fn(array.nth(arr, i)))
return out