Change to globals are PascalCase, locals are snake_case

This commit is contained in:
Krzosa Karol
2022-09-27 10:51:12 +02:00
parent 3dd9fae080
commit b8ab388bfc
11 changed files with 123 additions and 148 deletions

View File

@@ -1,74 +1,31 @@
Os :: #import "os_windows.kl"
OS :: #import "os_windows.kl"
#import "arena.kl"
SizeU :: U64
arena_di: U64
ADDITIONAL_COMMIT_SIZE :: 1024*1024
DEFAULT_RESERVE_SIZE :: 1024*1024*1024
DEFAULT_ALIGNMENT :: 8
Arena :: struct
di: U64 // @debug_id
memory: Os.Memory
alignment: U64
len: U64
clamp_top_sizeu :: (val: SizeU, max: SizeU): SizeU
ClampTopSizeU :: (val: SizeU, max: SizeU): SizeU
if val > max
return max
return val
get_align_offset :: (size: SizeU, align: SizeU): SizeU
GetAlignOffset :: (size: SizeU, align: SizeU): SizeU
mask := align - 1
val := size & mask
if val != 0
val = align - val
return val
align_up :: (size: SizeU, align: SizeU): SizeU
result := size + get_align_offset(size, align)
AlignUp :: (size: SizeU, align: SizeU): SizeU
result := size + GetAlignOffset(size, align)
return result
arena_init :: (a: *Arena)
a.memory = Os.reserve(DEFAULT_RESERVE_SIZE)
a.alignment = DEFAULT_ALIGNMENT
a.di = arena_di++
// a.allocator.proc = arena_allocator_proc
arena_push_size :: (a: *Arena, size: SizeU): *void
generous_size := size + a.alignment
if a.len + generous_size > a.memory.commit
if a.memory.reserve == 0
arena_init(a)
result := Os.commit(&a.memory, generous_size + ADDITIONAL_COMMIT_SIZE)
assert(result == true)
a.len = align_up(a.len, a.alignment)
assert(a.memory.reserve > a.len + a.memory.commit)
result: *void = a.memory.data + a.len
a.len += size
return result
// @todo: Make this compile time thing!!!
// This probably will wait till polymorphism stuff
// something like this:
// arena_push_type :: (a: *Arena, type: $T): *T
//
arena_push_type :: (a: *Arena, type: Type): *void
type_info := get_type_info(type)
assert(type_info != 0)
return arena_push_size(a, type_info.size->SizeU)
arena_release :: (a: *Arena)
Os.release(&a.memory)
//
// Unicode
//
question_mark16 :: 0x003f
QuestionMark16 :: 0x003f
String32 :: struct;; str: *U32; len: S64
String16 :: struct;; str: *U16; len: S64
utf8_to_utf32 :: (c: *U8, max_advance: S64): U32, S64
Utf8ToUtf32 :: (c: *U8, max_advance: S64): U32, S64
out_str: U32
advance: S64
if (c[0] & 0b10000000) == 0
@@ -100,7 +57,7 @@ utf8_to_utf32 :: (c: *U8, max_advance: S64): U32, S64
return out_str, advance
utf32_to_utf16 :: (codepoint: U32): [2]U16, S64
Utf32ToUtf16 :: (codepoint: U32): [2]U16, S64
str: [2]U16
len := 0
if codepoint < 0x10000
@@ -114,24 +71,24 @@ utf32_to_utf16 :: (codepoint: U32): [2]U16, S64
return str, len
string_to_string16 :: (arena: *Arena, in: String): String16
StringToString16 :: (arena: *Arena, in: String): String16
in_str := &in[0]
// @Note(Krzosa): Should be more then enough space
alloc_size := (length_of(in)*2)+1
result := String16{str = arena_push_size(arena, alloc_size->U64)}
result := String16{str = PushSize(arena, alloc_size->U64)}
for i := 0, i < length_of(in)
s32, s32_len := utf8_to_utf32(in_str + i, length_of(in) - i)
s32, s32_len := Utf8ToUtf32(in_str + i, length_of(in) - i)
if s32_len != 0
i += s32_len
s16, s16_len := utf32_to_utf16(s32)
s16, s16_len := Utf32ToUtf16(s32)
if s16_len != 0
for j := 0, j < s16_len, j++
result.str[result.len++] = s16[j]
else
result.str[result.len++] = question_mark16
result.str[result.len++] = QuestionMark16
break
else
result.str[result.len++] = question_mark16
result.str[result.len++] = QuestionMark16
break
result.str[result.len] = 0
@@ -139,14 +96,14 @@ string_to_string16 :: (arena: *Arena, in: String): String16
test_unicode :: (arena: *Arena)
string := " 豈 更 車 賈 滑 串 句 龜 龜 契 金 喇 奈 懶 癩 羅 蘿 螺 裸 邏 樂 洛 烙 珞 落 酪 駱 亂 卵 欄 爛 蘭 鸞 嵐 濫 藍 襤 拉 臘 蠟 廊 朗 浪 狼 郎 來 冷 勞 擄 櫓 爐 盧 老 蘆 虜 路 露 魯 鷺 碌 祿 綠 菉 錄 鹿 論 壟 弄 籠 聾 牢 磊 賂 雷 壘 屢 樓 淚 漏 累 縷 陋 勒 肋 凜 凌 稜 綾 菱 陵 讀 拏 樂 諾 丹 寧 怒 率 異 北 磻 便 復 不 泌 數 索 參 塞 省 葉 說 殺 辰 沈 拾 若 掠 略 亮 兩 凉 梁 糧 良 諒 量 勵 ..."
string_result := string_to_string16(arena, string)
string_result := StringToString16(arena, string)
print(string_result)
s32, s32_len := utf8_to_utf32('A', 1)
s32, s32_len := Utf8ToUtf32('A', 1)
assert(s32 == 'A', "Invalid decode")
s32_2, s32_len_2 := utf8_to_utf32('ć', 2)
s32_2, s32_len_2 := Utf8ToUtf32('ć', 2)
assert(s32_2 == 0x107, "Invalid decode")
s32_3, s32_len_3 := utf8_to_utf32('ó', 2)
s32_3, s32_len_3 := Utf8ToUtf32('ó', 2)
assert(s32_3 == 0xF3, "Invalid decode")

View File

@@ -7,14 +7,14 @@ Memory :: struct
reserve: SizeU
data : *U8
process_heap: HANDLE
allocate :: (size: U64): *void
if process_heap == 0
process_heap = GetProcessHeap()
return HeapAlloc(process_heap, 0, size)
ProcessHeap: HANDLE
Allocate :: (size: U64): *void
if ProcessHeap == 0
ProcessHeap = GetProcessHeap()
return HeapAlloc(ProcessHeap, 0, size)
reserve :: (size: SizeU): Memory
result := Memory{reserve=align_up(size, PAGE_SIZE)}
Reserve :: (size: SizeU): Memory
result := Memory{reserve=AlignUp(size, PAGE_SIZE)}
result.data = VirtualAlloc(
flProtect = PAGE_READWRITE,
dwSize = result.reserve,
@@ -22,10 +22,10 @@ reserve :: (size: SizeU): Memory
lpAddress = 0)->*U8
return result
commit :: (m: *Memory, size: SizeU): Bool
commit_size := align_up(size, PAGE_SIZE)
Commit :: (m: *Memory, size: SizeU): Bool
commit_size := AlignUp(size, PAGE_SIZE)
total_commit := m.commit + commit_size
clamped_commit := clamp_top_sizeu(total_commit, m.reserve)
clamped_commit := ClampTopSizeU(total_commit, m.reserve)
adjusted_commit := clamped_commit - m.commit
if adjusted_commit != 0
result := VirtualAlloc(
@@ -38,28 +38,28 @@ commit :: (m: *Memory, size: SizeU): Bool
return true
return false
release :: (m: *Memory)
Release :: (m: *Memory)
result := VirtualFree(m.data->*void, 0, MEM_RELEASE)
if result != 0
m.data = 0
m.commit = 0
m.reserve = 0
write_console :: (string: String16)
WriteConsole :: (string: String16)
handle := GetStdHandle(STD_OUTPUT_HANDLE)
WriteConsoleW(handle, string.str->*void, string.len->DWORD, 0, 0)
performance_frequency: F64
time :: (): F64
PerformanceFrequency: F64
Time :: (): F64
query: LARGE_INTEGER
if !performance_frequency
if !PerformanceFrequency
err := QueryPerformanceFrequency(&query)
assert(err != 0)
performance_frequency = query->F64
Assert(err != 0)
PerformanceFrequency = query->F64
err := QueryPerformanceCounter(&query)
assert(err != 0)
result := query->F64 / performance_frequency
Assert(err != 0)
result := query->F64 / PerformanceFrequency
return result
/**
@@ -67,7 +67,7 @@ time :: (): F64
* Written by Lukás Chmela
* Released under GPLv3.
*/
itoa :: (value: S64, result: *U8, base: S64): *U8
Itoa :: (value: S64, result: *U8, base: S64): *U8
// check that the base if valid
if (base < 2) || (base > 36)
*result = 0 // '
@@ -94,14 +94,14 @@ itoa :: (value: S64, result: *U8, base: S64): *U8
return result
print :: (string: String, args: ..)
Print :: (string: String, args: ..)
buffer: [1024]U8
buffer_len: S64
arg_counter := 0
for i := 0, i < length_of(string), i+=1
if string[i] == '%'
assert(arg_counter < length_of(args), "Passing too many [%] to a print lambda")
Assert(arg_counter < length_of(args), "Passing too many [%] to a print lambda")
arg := args[arg_counter++]
if arg.type == S64
@@ -110,6 +110,6 @@ print :: (string: String, args: ..)
p := itoa(value, &itoa_buff[0], 10)
for *p != 0
buffer[buffer_len++] = *p++
else;; assert(false)
else;; Assert(false)
else
buffer[buffer_len++] = string[i]