mirror of
https://github.com/odin-lang/Odin.git
synced 2025-12-30 01:44:36 +00:00
Fix push_* with better defer system
This commit is contained in:
331
code/demo.odin
331
code/demo.odin
@@ -1,10 +1,6 @@
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#import "fmt.odin"
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#import "os.odin"
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#import "mem.odin"
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// #import "http_test.odin" as ht
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// #import "game.odin" as game
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// #import "punity.odin" as pn
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main :: proc() {
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@@ -17,331 +13,4 @@ main :: proc() {
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x^ = 1337
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fmt.println(x^)
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}
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// struct_padding()
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// bounds_checking()
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// type_introspection()
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// any_type()
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// crazy_introspection()
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// namespaces_and_files()
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// miscellany()
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// ht.run()
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// game.run()
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// {
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// init :: proc(c: ^pn.Core) {}
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// step :: proc(c: ^pn.Core) {}
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// pn.run(init, step)
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// }
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}
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struct_padding :: proc() {
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{
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A :: struct {
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a: u8
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b: u32
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c: u16
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}
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B :: struct {
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a: [7]u8
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b: [3]u16
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c: u8
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d: u16
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}
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fmt.println("size_of(A):", size_of(A))
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fmt.println("size_of(B):", size_of(B))
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// n.b. http://cbloomrants.blogspot.co.uk/2012/07/07-23-12-structs-are-not-what-you-want.html
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}
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{
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A :: struct #ordered {
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a: u8
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b: u32
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c: u16
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}
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B :: struct #ordered {
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a: [7]u8
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b: [3]u16
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c: u8
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d: u16
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}
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fmt.println("size_of(A):", size_of(A))
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fmt.println("size_of(B):", size_of(B))
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// C-style structure layout
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}
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{
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A :: struct #packed {
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a: u8
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b: u32
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c: u16
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}
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B :: struct #packed {
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a: [7]u8
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b: [3]u16
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c: u8
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d: u16
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}
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fmt.println("size_of(A):", size_of(A))
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fmt.println("size_of(B):", size_of(B))
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// Useful for explicit layout
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}
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// Member sorting by priority
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// Alignment desc.
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// Size desc.
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// source order asc.
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/*
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A :: struct {
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a: u8
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b: u32
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c: u16
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}
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B :: struct {
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a: [7]u8
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b: [3]u16
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c: u8
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d: u16
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}
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Equivalent too
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A :: struct #ordered {
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b: u32
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c: u16
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a: u8
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}
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B :: struct #ordered {
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b: [3]u16
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d: u16
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a: [7]u8
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c: u8
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}
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*/
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}
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bounds_checking :: proc() {
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x: [4]int
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// x[-1] = 0; // Compile Time
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// x[4] = 0; // Compile Time
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{
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a, b := -1, 4;
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// x[a] = 0; // Runtime Time
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// x[b] = 0; // Runtime Time
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}
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// Works for arrays, strings, slices, and related procedures & operations
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{
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base: [10]int
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s := base[2:6]
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a, b := -1, 6
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#no_bounds_check {
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s[a] = 0;
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// #bounds_check s[b] = 0;
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}
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#no_bounds_check
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if s[a] == 0 {
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// Do whatever
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}
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// Bounds checking can be toggled explicit
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// on a per statement basis.
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// _any statement_
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}
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}
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type_introspection :: proc() {
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{
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info: ^Type_Info
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x: int
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info = type_info(int) // by type
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info = type_info_of_val(x) // by value
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// See: runtime.odin
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match type i : info {
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case Type_Info.Integer:
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fmt.println("integer!")
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case Type_Info.Float:
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fmt.println("float!")
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default:
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fmt.println("potato!")
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}
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// Unsafe cast
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integer_info := info as ^Type_Info.Integer
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}
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{
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Vector2 :: struct { x, y: f32 }
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Vector3 :: struct { x, y, z: f32 }
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v1: Vector2
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v2: Vector3
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v3: Vector3
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t1 := type_info_of_val(v1)
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t2 := type_info_of_val(v2)
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t3 := type_info_of_val(v3)
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fmt.println()
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fmt.print("Type of v1 is:\n\t", t1)
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fmt.println()
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fmt.print("Type of v2 is:\n\t", t2)
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fmt.println("\n")
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fmt.println("t1 == t2:", t1 == t2)
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fmt.println("t2 == t3:", t2 == t3)
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}
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}
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any_type :: proc() {
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a: any
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x: int = 123
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y: f64 = 6.28
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z: string = "Yo-Yo Ma"
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// All types can be implicit cast to `any`
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a = x
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a = y
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a = z
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a = a // This the "identity" type, it doesn't get converted
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a = 123 // Literals are copied onto the stack first
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// any has two members
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// data - rawptr to the data
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// type_info - pointer to the type info
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fmt.println(x, y, z)
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// See: fmt.odin
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// For variadic any procedures in action
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}
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crazy_introspection :: proc() {
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{
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Fruit :: enum {
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APPLE,
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BANANA,
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GRAPE,
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MELON,
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PEACH,
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TOMATO,
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}
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s: string
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s = enum_to_string(Fruit.PEACH)
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fmt.println(s)
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f := Fruit.GRAPE
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s = enum_to_string(f)
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fmt.println(s)
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fmt.println(f)
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// See: runtime.odin
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}
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{
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// NOTE(bill): This is not safe code and I would not recommend this at all
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// I'd recommend you use `match type` to get the subtype rather than
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// casting pointers
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Fruit :: enum {
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APPLE,
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BANANA,
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GRAPE,
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MELON,
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PEACH,
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TOMATO,
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}
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fruit_ti := type_info(Fruit)
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name := (fruit_ti as ^Type_Info.Named).name // Unsafe casts
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info := type_info_base(fruit_ti) as ^Type_Info.Enum // Unsafe casts
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fmt.printf("% :: enum % {\n", name, info.base);
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for i := 0; i < info.values.count; i++ {
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fmt.printf("\t%\t= %,\n", info.names[i], info.values[i])
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}
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fmt.printf("}\n")
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// NOTE(bill): look at that type-safe printf!
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}
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{
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Vector3 :: struct {x, y, z: f32}
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a := Vector3{x = 1, y = 4, z = 9}
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fmt.println(a)
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b := Vector3{x = 9, y = 3, z = 1}
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fmt.println(b)
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// NOTE(bill): See fmt.odin
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}
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// n.b. This pretty much "solves" serialization (to strings)
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}
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// #import "test.odin"
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namespaces_and_files :: proc() {
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// test.thing()
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// test.format.println()
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// test.println()
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/*
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// Non-exporting import
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#import "file.odin"
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#import "file.odin" as file
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#import "file.odin" as .
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#import "file.odin" as _
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// Exporting import
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#load "file.odin"
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*/
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// Talk about scope rules and diagram
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}
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miscellany :: proc() {
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/*
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win32 `__imp__` prefix
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#dll_import
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#dll_export
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Change exported name/symbol for linking
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#link_name
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Custom calling conventions
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#stdcall
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#fastcall
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Runtime stuff
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#shared_global_scope
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*/
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// assert(false)
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// compile_assert(false)
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// panic("Panic message goes here")
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}
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334
code/old_demos/demo001.odin
Normal file
334
code/old_demos/demo001.odin
Normal file
@@ -0,0 +1,334 @@
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#import "fmt.odin"
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#import "os.odin"
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#import "mem.odin"
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// #import "http_test.odin" as ht
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// #import "game.odin" as game
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// #import "punity.odin" as pn
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main :: proc() {
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// struct_padding()
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// bounds_checking()
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// type_introspection()
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// any_type()
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// crazy_introspection()
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// namespaces_and_files()
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// miscellany()
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// ht.run()
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// game.run()
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// {
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// init :: proc(c: ^pn.Core) {}
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// step :: proc(c: ^pn.Core) {}
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// pn.run(init, step)
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// }
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}
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struct_padding :: proc() {
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{
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A :: struct {
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a: u8
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b: u32
|
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c: u16
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}
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|
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B :: struct {
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a: [7]u8
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b: [3]u16
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c: u8
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d: u16
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}
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fmt.println("size_of(A):", size_of(A))
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fmt.println("size_of(B):", size_of(B))
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// n.b. http://cbloomrants.blogspot.co.uk/2012/07/07-23-12-structs-are-not-what-you-want.html
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}
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{
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A :: struct #ordered {
|
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a: u8
|
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b: u32
|
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c: u16
|
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}
|
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|
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B :: struct #ordered {
|
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a: [7]u8
|
||||
b: [3]u16
|
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c: u8
|
||||
d: u16
|
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}
|
||||
|
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fmt.println("size_of(A):", size_of(A))
|
||||
fmt.println("size_of(B):", size_of(B))
|
||||
|
||||
// C-style structure layout
|
||||
}
|
||||
{
|
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A :: struct #packed {
|
||||
a: u8
|
||||
b: u32
|
||||
c: u16
|
||||
}
|
||||
|
||||
B :: struct #packed {
|
||||
a: [7]u8
|
||||
b: [3]u16
|
||||
c: u8
|
||||
d: u16
|
||||
}
|
||||
|
||||
fmt.println("size_of(A):", size_of(A))
|
||||
fmt.println("size_of(B):", size_of(B))
|
||||
|
||||
// Useful for explicit layout
|
||||
}
|
||||
|
||||
// Member sorting by priority
|
||||
// Alignment desc.
|
||||
// Size desc.
|
||||
// source order asc.
|
||||
|
||||
/*
|
||||
A :: struct {
|
||||
a: u8
|
||||
b: u32
|
||||
c: u16
|
||||
}
|
||||
|
||||
B :: struct {
|
||||
a: [7]u8
|
||||
b: [3]u16
|
||||
c: u8
|
||||
d: u16
|
||||
}
|
||||
|
||||
Equivalent too
|
||||
|
||||
A :: struct #ordered {
|
||||
b: u32
|
||||
c: u16
|
||||
a: u8
|
||||
}
|
||||
|
||||
B :: struct #ordered {
|
||||
b: [3]u16
|
||||
d: u16
|
||||
a: [7]u8
|
||||
c: u8
|
||||
}
|
||||
*/
|
||||
}
|
||||
|
||||
bounds_checking :: proc() {
|
||||
x: [4]int
|
||||
// x[-1] = 0; // Compile Time
|
||||
// x[4] = 0; // Compile Time
|
||||
|
||||
{
|
||||
a, b := -1, 4;
|
||||
// x[a] = 0; // Runtime Time
|
||||
// x[b] = 0; // Runtime Time
|
||||
}
|
||||
|
||||
// Works for arrays, strings, slices, and related procedures & operations
|
||||
|
||||
{
|
||||
base: [10]int
|
||||
s := base[2:6]
|
||||
a, b := -1, 6
|
||||
|
||||
#no_bounds_check {
|
||||
s[a] = 0;
|
||||
// #bounds_check s[b] = 0;
|
||||
}
|
||||
|
||||
#no_bounds_check
|
||||
if s[a] == 0 {
|
||||
// Do whatever
|
||||
}
|
||||
|
||||
// Bounds checking can be toggled explicit
|
||||
// on a per statement basis.
|
||||
// _any statement_
|
||||
}
|
||||
}
|
||||
|
||||
type_introspection :: proc() {
|
||||
{
|
||||
info: ^Type_Info
|
||||
x: int
|
||||
|
||||
info = type_info(int) // by type
|
||||
info = type_info_of_val(x) // by value
|
||||
// See: runtime.odin
|
||||
|
||||
match type i : info {
|
||||
case Type_Info.Integer:
|
||||
fmt.println("integer!")
|
||||
case Type_Info.Float:
|
||||
fmt.println("float!")
|
||||
default:
|
||||
fmt.println("potato!")
|
||||
}
|
||||
|
||||
// Unsafe cast
|
||||
integer_info := info as ^Type_Info.Integer
|
||||
}
|
||||
|
||||
{
|
||||
Vector2 :: struct { x, y: f32 }
|
||||
Vector3 :: struct { x, y, z: f32 }
|
||||
|
||||
v1: Vector2
|
||||
v2: Vector3
|
||||
v3: Vector3
|
||||
|
||||
t1 := type_info_of_val(v1)
|
||||
t2 := type_info_of_val(v2)
|
||||
t3 := type_info_of_val(v3)
|
||||
|
||||
fmt.println()
|
||||
fmt.print("Type of v1 is:\n\t", t1)
|
||||
|
||||
fmt.println()
|
||||
fmt.print("Type of v2 is:\n\t", t2)
|
||||
|
||||
fmt.println("\n")
|
||||
fmt.println("t1 == t2:", t1 == t2)
|
||||
fmt.println("t2 == t3:", t2 == t3)
|
||||
}
|
||||
}
|
||||
|
||||
any_type :: proc() {
|
||||
a: any
|
||||
|
||||
x: int = 123
|
||||
y: f64 = 6.28
|
||||
z: string = "Yo-Yo Ma"
|
||||
// All types can be implicit cast to `any`
|
||||
a = x
|
||||
a = y
|
||||
a = z
|
||||
a = a // This the "identity" type, it doesn't get converted
|
||||
|
||||
a = 123 // Literals are copied onto the stack first
|
||||
|
||||
// any has two members
|
||||
// data - rawptr to the data
|
||||
// type_info - pointer to the type info
|
||||
|
||||
fmt.println(x, y, z)
|
||||
// See: fmt.odin
|
||||
// For variadic any procedures in action
|
||||
}
|
||||
|
||||
crazy_introspection :: proc() {
|
||||
{
|
||||
Fruit :: enum {
|
||||
APPLE,
|
||||
BANANA,
|
||||
GRAPE,
|
||||
MELON,
|
||||
PEACH,
|
||||
TOMATO,
|
||||
}
|
||||
|
||||
s: string
|
||||
s = enum_to_string(Fruit.PEACH)
|
||||
fmt.println(s)
|
||||
|
||||
f := Fruit.GRAPE
|
||||
s = enum_to_string(f)
|
||||
fmt.println(s)
|
||||
|
||||
fmt.println(f)
|
||||
// See: runtime.odin
|
||||
}
|
||||
|
||||
|
||||
{
|
||||
// NOTE(bill): This is not safe code and I would not recommend this at all
|
||||
// I'd recommend you use `match type` to get the subtype rather than
|
||||
// casting pointers
|
||||
|
||||
Fruit :: enum {
|
||||
APPLE,
|
||||
BANANA,
|
||||
GRAPE,
|
||||
MELON,
|
||||
PEACH,
|
||||
TOMATO,
|
||||
}
|
||||
|
||||
fruit_ti := type_info(Fruit)
|
||||
name := (fruit_ti as ^Type_Info.Named).name // Unsafe casts
|
||||
info := type_info_base(fruit_ti) as ^Type_Info.Enum // Unsafe casts
|
||||
|
||||
fmt.printf("% :: enum % {\n", name, info.base);
|
||||
for i := 0; i < info.values.count; i++ {
|
||||
fmt.printf("\t%\t= %,\n", info.names[i], info.values[i])
|
||||
}
|
||||
fmt.printf("}\n")
|
||||
|
||||
// NOTE(bill): look at that type-safe printf!
|
||||
}
|
||||
|
||||
{
|
||||
Vector3 :: struct {x, y, z: f32}
|
||||
|
||||
a := Vector3{x = 1, y = 4, z = 9}
|
||||
fmt.println(a)
|
||||
b := Vector3{x = 9, y = 3, z = 1}
|
||||
fmt.println(b)
|
||||
|
||||
// NOTE(bill): See fmt.odin
|
||||
}
|
||||
|
||||
// n.b. This pretty much "solves" serialization (to strings)
|
||||
}
|
||||
|
||||
// #import "test.odin"
|
||||
|
||||
namespaces_and_files :: proc() {
|
||||
|
||||
// test.thing()
|
||||
// test.format.println()
|
||||
// test.println()
|
||||
/*
|
||||
// Non-exporting import
|
||||
#import "file.odin"
|
||||
#import "file.odin" as file
|
||||
#import "file.odin" as .
|
||||
#import "file.odin" as _
|
||||
|
||||
// Exporting import
|
||||
#load "file.odin"
|
||||
*/
|
||||
|
||||
// Talk about scope rules and diagram
|
||||
}
|
||||
|
||||
miscellany :: proc() {
|
||||
/*
|
||||
win32 `__imp__` prefix
|
||||
#dll_import
|
||||
#dll_export
|
||||
|
||||
Change exported name/symbol for linking
|
||||
#link_name
|
||||
|
||||
Custom calling conventions
|
||||
#stdcall
|
||||
#fastcall
|
||||
|
||||
Runtime stuff
|
||||
#shared_global_scope
|
||||
*/
|
||||
|
||||
// assert(false)
|
||||
// compile_assert(false)
|
||||
// panic("Panic message goes here")
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
412
code/old_demos/old_runtime.odin
Normal file
412
code/old_demos/old_runtime.odin
Normal file
@@ -0,0 +1,412 @@
|
||||
#load "win32.odin"
|
||||
|
||||
assume :: proc(cond: bool) #foreign "llvm.assume"
|
||||
|
||||
__debug_trap :: proc() #foreign "llvm.debugtrap"
|
||||
__trap :: proc() #foreign "llvm.trap"
|
||||
read_cycle_counter :: proc() -> u64 #foreign "llvm.readcyclecounter"
|
||||
|
||||
bit_reverse16 :: proc(b: u16) -> u16 #foreign "llvm.bitreverse.i16"
|
||||
bit_reverse32 :: proc(b: u32) -> u32 #foreign "llvm.bitreverse.i32"
|
||||
bit_reverse64 :: proc(b: u64) -> u64 #foreign "llvm.bitreverse.i64"
|
||||
|
||||
byte_swap16 :: proc(b: u16) -> u16 #foreign "llvm.bswap.i16"
|
||||
byte_swap32 :: proc(b: u32) -> u32 #foreign "llvm.bswap.i32"
|
||||
byte_swap64 :: proc(b: u64) -> u64 #foreign "llvm.bswap.i64"
|
||||
|
||||
fmuladd_f32 :: proc(a, b, c: f32) -> f32 #foreign "llvm.fmuladd.f32"
|
||||
fmuladd_f64 :: proc(a, b, c: f64) -> f64 #foreign "llvm.fmuladd.f64"
|
||||
|
||||
// TODO(bill): make custom heap procedures
|
||||
heap_alloc :: proc(len: int) -> rawptr #foreign "malloc"
|
||||
heap_dealloc :: proc(ptr: rawptr) #foreign "free"
|
||||
|
||||
memory_zero :: proc(data: rawptr, len: int) {
|
||||
d := slice_ptr(data as ^byte, len)
|
||||
for i := 0; i < len; i++ {
|
||||
d[i] = 0
|
||||
}
|
||||
}
|
||||
|
||||
memory_compare :: proc(dst, src: rawptr, len: int) -> int {
|
||||
s1, s2: ^byte = dst, src
|
||||
for i := 0; i < len; i++ {
|
||||
a := ptr_offset(s1, i)^
|
||||
b := ptr_offset(s2, i)^
|
||||
if a != b {
|
||||
return (a - b) as int
|
||||
}
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
memory_copy :: proc(dst, src: rawptr, n: int) #inline {
|
||||
if dst == src {
|
||||
return
|
||||
}
|
||||
|
||||
v128b :: type {4}u32
|
||||
compile_assert(align_of(v128b) == 16)
|
||||
|
||||
d, s: ^byte = dst, src
|
||||
|
||||
for ; s as uint % 16 != 0 && n != 0; n-- {
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
|
||||
if d as uint % 16 == 0 {
|
||||
for ; n >= 16; d, s, n = ptr_offset(d, 16), ptr_offset(s, 16), n-16 {
|
||||
(d as ^v128b)^ = (s as ^v128b)^
|
||||
}
|
||||
|
||||
if n&8 != 0 {
|
||||
(d as ^u64)^ = (s as ^u64)^
|
||||
d, s = ptr_offset(d, 8), ptr_offset(s, 8)
|
||||
}
|
||||
if n&4 != 0 {
|
||||
(d as ^u32)^ = (s as ^u32)^;
|
||||
d, s = ptr_offset(d, 4), ptr_offset(s, 4)
|
||||
}
|
||||
if n&2 != 0 {
|
||||
(d as ^u16)^ = (s as ^u16)^
|
||||
d, s = ptr_offset(d, 2), ptr_offset(s, 2)
|
||||
}
|
||||
if n&1 != 0 {
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
return;
|
||||
}
|
||||
|
||||
// IMPORTANT NOTE(bill): Little endian only
|
||||
LS :: proc(a, b: u32) -> u32 #inline { return a << b }
|
||||
RS :: proc(a, b: u32) -> u32 #inline { return a >> b }
|
||||
/* NOTE(bill): Big endian version
|
||||
LS :: proc(a, b: u32) -> u32 #inline { return a >> b; }
|
||||
RS :: proc(a, b: u32) -> u32 #inline { return a << b; }
|
||||
*/
|
||||
|
||||
w, x: u32
|
||||
|
||||
if d as uint % 4 == 1 {
|
||||
w = (s as ^u32)^
|
||||
d^ = s^; d = ptr_offset(d, 1); s = ptr_offset(s, 1)
|
||||
d^ = s^; d = ptr_offset(d, 1); s = ptr_offset(s, 1)
|
||||
d^ = s^; d = ptr_offset(d, 1); s = ptr_offset(s, 1)
|
||||
n -= 3
|
||||
|
||||
for n > 16 {
|
||||
d32 := d as ^u32
|
||||
s32 := ptr_offset(s, 1) as ^u32
|
||||
x = s32^; d32^ = LS(w, 24) | RS(x, 8)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 24) | RS(w, 8)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
x = s32^; d32^ = LS(w, 24) | RS(x, 8)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 24) | RS(w, 8)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
|
||||
d, s, n = ptr_offset(d, 16), ptr_offset(s, 16), n-16
|
||||
}
|
||||
|
||||
} else if d as uint % 4 == 2 {
|
||||
w = (s as ^u32)^
|
||||
d^ = s^; d = ptr_offset(d, 1); s = ptr_offset(s, 1)
|
||||
d^ = s^; d = ptr_offset(d, 1); s = ptr_offset(s, 1)
|
||||
n -= 2
|
||||
|
||||
for n > 17 {
|
||||
d32 := d as ^u32
|
||||
s32 := ptr_offset(s, 2) as ^u32
|
||||
x = s32^; d32^ = LS(w, 16) | RS(x, 16)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 16) | RS(w, 16)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
x = s32^; d32^ = LS(w, 16) | RS(x, 16)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 16) | RS(w, 16)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
|
||||
d, s, n = ptr_offset(d, 16), ptr_offset(s, 16), n-16
|
||||
}
|
||||
|
||||
} else if d as uint % 4 == 3 {
|
||||
w = (s as ^u32)^
|
||||
d^ = s^
|
||||
n -= 1
|
||||
|
||||
for n > 18 {
|
||||
d32 := d as ^u32
|
||||
s32 := ptr_offset(s, 3) as ^u32
|
||||
x = s32^; d32^ = LS(w, 8) | RS(x, 24)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 8) | RS(w, 24)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
x = s32^; d32^ = LS(w, 8) | RS(x, 24)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
w = s32^; d32^ = LS(x, 8) | RS(w, 24)
|
||||
d32, s32 = ptr_offset(d32, 1), ptr_offset(s32, 1)
|
||||
|
||||
d, s, n = ptr_offset(d, 16), ptr_offset(s, 16), n-16
|
||||
}
|
||||
}
|
||||
|
||||
if n&16 != 0 {
|
||||
(d as ^v128b)^ = (s as ^v128b)^
|
||||
d, s = ptr_offset(d, 16), ptr_offset(s, 16)
|
||||
}
|
||||
if n&8 != 0 {
|
||||
(d as ^u64)^ = (s as ^u64)^
|
||||
d, s = ptr_offset(d, 8), ptr_offset(s, 8)
|
||||
}
|
||||
if n&4 != 0 {
|
||||
(d as ^u32)^ = (s as ^u32)^;
|
||||
d, s = ptr_offset(d, 4), ptr_offset(s, 4)
|
||||
}
|
||||
if n&2 != 0 {
|
||||
(d as ^u16)^ = (s as ^u16)^
|
||||
d, s = ptr_offset(d, 2), ptr_offset(s, 2)
|
||||
}
|
||||
if n&1 != 0 {
|
||||
d^ = s^
|
||||
}
|
||||
}
|
||||
|
||||
memory_move :: proc(dst, src: rawptr, n: int) #inline {
|
||||
d, s: ^byte = dst, src
|
||||
if d == s {
|
||||
return
|
||||
}
|
||||
if d >= ptr_offset(s, n) || ptr_offset(d, n) <= s {
|
||||
memory_copy(d, s, n)
|
||||
return
|
||||
}
|
||||
|
||||
// TODO(bill): Vectorize the shit out of this
|
||||
if d < s {
|
||||
if s as int % size_of(int) == d as int % size_of(int) {
|
||||
for d as int % size_of(int) != 0 {
|
||||
if n == 0 {
|
||||
return
|
||||
}
|
||||
n--
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
di, si := d as ^int, s as ^int
|
||||
for n >= size_of(int) {
|
||||
di^ = si^
|
||||
di, si = ptr_offset(di, 1), ptr_offset(si, 1)
|
||||
n -= size_of(int)
|
||||
}
|
||||
}
|
||||
for ; n > 0; n-- {
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
} else {
|
||||
if s as int % size_of(int) == d as int % size_of(int) {
|
||||
for ptr_offset(d, n) as int % size_of(int) != 0 {
|
||||
if n == 0 {
|
||||
return
|
||||
}
|
||||
n--
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
for n >= size_of(int) {
|
||||
n -= size_of(int)
|
||||
di := ptr_offset(d, n) as ^int
|
||||
si := ptr_offset(s, n) as ^int
|
||||
di^ = si^
|
||||
}
|
||||
for ; n > 0; n-- {
|
||||
d^ = s^
|
||||
d, s = ptr_offset(d, 1), ptr_offset(s, 1)
|
||||
}
|
||||
}
|
||||
for n > 0 {
|
||||
n--
|
||||
dn := ptr_offset(d, n)
|
||||
sn := ptr_offset(s, n)
|
||||
dn^ = sn^
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
__string_eq :: proc(a, b: string) -> bool {
|
||||
if len(a) != len(b) {
|
||||
return false
|
||||
}
|
||||
if ^a[0] == ^b[0] {
|
||||
return true
|
||||
}
|
||||
return memory_compare(^a[0], ^b[0], len(a)) == 0
|
||||
}
|
||||
|
||||
__string_cmp :: proc(a, b : string) -> int {
|
||||
min_len := len(a)
|
||||
if len(b) < min_len {
|
||||
min_len = len(b)
|
||||
}
|
||||
for i := 0; i < min_len; i++ {
|
||||
x := a[i]
|
||||
y := b[i]
|
||||
if x < y {
|
||||
return -1
|
||||
} else if x > y {
|
||||
return +1
|
||||
}
|
||||
}
|
||||
|
||||
if len(a) < len(b) {
|
||||
return -1
|
||||
} else if len(a) > len(b) {
|
||||
return +1
|
||||
}
|
||||
return 0
|
||||
}
|
||||
|
||||
__string_ne :: proc(a, b : string) -> bool #inline { return !__string_eq(a, b) }
|
||||
__string_lt :: proc(a, b : string) -> bool #inline { return __string_cmp(a, b) < 0 }
|
||||
__string_gt :: proc(a, b : string) -> bool #inline { return __string_cmp(a, b) > 0 }
|
||||
__string_le :: proc(a, b : string) -> bool #inline { return __string_cmp(a, b) <= 0 }
|
||||
__string_ge :: proc(a, b : string) -> bool #inline { return __string_cmp(a, b) >= 0 }
|
||||
|
||||
|
||||
|
||||
|
||||
Allocation_Mode :: type enum {
|
||||
ALLOC,
|
||||
DEALLOC,
|
||||
DEALLOC_ALL,
|
||||
RESIZE,
|
||||
}
|
||||
|
||||
|
||||
|
||||
Allocator_Proc :: type proc(allocator_data: rawptr, mode: Allocation_Mode,
|
||||
size, alignment: int,
|
||||
old_memory: rawptr, old_size: int, flags: u64) -> rawptr
|
||||
|
||||
Allocator :: type struct {
|
||||
procedure: Allocator_Proc;
|
||||
data: rawptr
|
||||
}
|
||||
|
||||
|
||||
Context :: type struct {
|
||||
thread_ptr: rawptr
|
||||
|
||||
user_data: rawptr
|
||||
user_index: int
|
||||
|
||||
allocator: Allocator
|
||||
}
|
||||
|
||||
#thread_local context: Context
|
||||
|
||||
DEFAULT_ALIGNMENT :: 2*size_of(int)
|
||||
|
||||
|
||||
__check_context :: proc() {
|
||||
if context.allocator.procedure == null {
|
||||
context.allocator = __default_allocator()
|
||||
}
|
||||
if context.thread_ptr == null {
|
||||
// TODO(bill):
|
||||
// context.thread_ptr = current_thread_pointer()
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
alloc :: proc(size: int) -> rawptr #inline { return alloc_align(size, DEFAULT_ALIGNMENT) }
|
||||
|
||||
alloc_align :: proc(size, alignment: int) -> rawptr #inline {
|
||||
__check_context()
|
||||
a := context.allocator
|
||||
return a.procedure(a.data, Allocation_Mode.ALLOC, size, alignment, null, 0, 0)
|
||||
}
|
||||
|
||||
dealloc :: proc(ptr: rawptr) #inline {
|
||||
__check_context()
|
||||
a := context.allocator
|
||||
_ = a.procedure(a.data, Allocation_Mode.DEALLOC, 0, 0, ptr, 0, 0)
|
||||
}
|
||||
dealloc_all :: proc(ptr: rawptr) #inline {
|
||||
__check_context()
|
||||
a := context.allocator
|
||||
_ = a.procedure(a.data, Allocation_Mode.DEALLOC_ALL, 0, 0, ptr, 0, 0)
|
||||
}
|
||||
|
||||
|
||||
resize :: proc(ptr: rawptr, old_size, new_size: int) -> rawptr #inline { return resize_align(ptr, old_size, new_size, DEFAULT_ALIGNMENT) }
|
||||
resize_align :: proc(ptr: rawptr, old_size, new_size, alignment: int) -> rawptr #inline {
|
||||
__check_context()
|
||||
a := context.allocator
|
||||
return a.procedure(a.data, Allocation_Mode.RESIZE, new_size, alignment, ptr, old_size, 0)
|
||||
}
|
||||
|
||||
|
||||
|
||||
default_resize_align :: proc(old_memory: rawptr, old_size, new_size, alignment: int) -> rawptr {
|
||||
if old_memory == null {
|
||||
return alloc_align(new_size, alignment)
|
||||
}
|
||||
|
||||
if new_size == 0 {
|
||||
dealloc(old_memory)
|
||||
return null
|
||||
}
|
||||
|
||||
if new_size == old_size {
|
||||
return old_memory
|
||||
}
|
||||
|
||||
new_memory := alloc_align(new_size, alignment)
|
||||
if new_memory == null {
|
||||
return null
|
||||
}
|
||||
|
||||
memory_copy(new_memory, old_memory, min(old_size, new_size));
|
||||
dealloc(old_memory)
|
||||
return new_memory
|
||||
}
|
||||
|
||||
|
||||
__default_allocator_proc :: proc(allocator_data: rawptr, mode: Allocation_Mode,
|
||||
size, alignment: int,
|
||||
old_memory: rawptr, old_size: int, flags: u64) -> rawptr {
|
||||
using Allocation_Mode
|
||||
match mode {
|
||||
case ALLOC:
|
||||
return heap_alloc(size)
|
||||
case RESIZE:
|
||||
return default_resize_align(old_memory, old_size, size, alignment)
|
||||
case DEALLOC:
|
||||
heap_dealloc(old_memory)
|
||||
case DEALLOC_ALL:
|
||||
// NOTE(bill): Does nothing
|
||||
}
|
||||
|
||||
return null
|
||||
}
|
||||
|
||||
__default_allocator :: proc() -> Allocator {
|
||||
return Allocator{
|
||||
__default_allocator_proc,
|
||||
null,
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
|
||||
|
||||
__assert :: proc(msg: string) {
|
||||
file_write(file_get_standard(File_Standard.ERROR), msg as []byte)
|
||||
// TODO(bill): Which is better?
|
||||
// __trap()
|
||||
__debug_trap()
|
||||
}
|
||||
Reference in New Issue
Block a user