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wip(0.S2): migrate - a var nothing writes becomes a let; a state is keyed by its module, directory or program, so every program's plan agrees; paths normalized; program states named SceneDemoState / scene_demo_st; the LSP reads state, mut and entry/handler parameters

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Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-25 15:31:34 +03:00
parent 3eda72e8c2
commit 5ffe50ed02
463 changed files with 72045 additions and 67421 deletions
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70
packages/ludic.wallet/tests/wallet_test.ludic
View file

@ -5,56 +5,56 @@ import "ludic.base"
program WalletTest {
numbers float
function changes(base_st: mut BaseState, wallet_st: mut WalletState) -> []MoneyChanged { return q_drain(base_st, wallet_changes(base_st, wallet_st)) }
function waiting(base_st: mut BaseState, wallet_st: mut WalletState) -> int { return q_len(wallet_changes(base_st, wallet_st)) }
function changes() -> []MoneyChanged { return q_drain(wallet_changes()) }
function waiting() -> int { return q_len(wallet_changes()) }
test "earning and spending move the purse, and each says so" (base_st: mut BaseState, wallet_st: mut WalletState) {
wallet_reset(base_st, wallet_st)
wallet_earn(base_st, wallet_st, 40)
expect(wallet_spend(base_st, wallet_st, 15))
expect_eq(wallet_money(wallet_st), 25)
let cs = changes(base_st, wallet_st)
test "earning and spending move the purse, and each says so" {
wallet_reset()
wallet_earn(40)
expect(wallet_spend(15))
expect_eq(wallet_money(), 25)
let cs = changes()
expect_eq(len(cs), 2)
expect_eq(cs[0].after, 40)
expect_eq(cs[1].before, 40)
expect_eq(cs[1].after, 25)
}
test "a spend past what is there is refused and changes nothing" (base_st: mut BaseState, wallet_st: mut WalletState) {
wallet_reset(base_st, wallet_st)
wallet_set(base_st, wallet_st, 10)
changes(base_st, wallet_st)
expect(not wallet_spend(base_st, wallet_st, 11))
expect_eq(wallet_money(wallet_st), 10)
expect_eq(waiting(base_st, wallet_st), 0)
expect(wallet_can(wallet_st, 10))
expect(not wallet_can(wallet_st, 11))
test "a spend past what is there is refused and changes nothing" {
wallet_reset()
wallet_set(10)
changes()
expect(not wallet_spend(11))
expect_eq(wallet_money(), 10)
expect_eq(waiting(), 0)
expect(wallet_can(10))
expect(not wallet_can(11))
}
test "a loss happens anyway, but never below zero" (base_st: mut BaseState, wallet_st: mut WalletState) {
wallet_reset(base_st, wallet_st)
wallet_set(base_st, wallet_st, 7)
wallet_lose(base_st, wallet_st, 20)
expect_eq(wallet_money(wallet_st), 0)
test "a loss happens anyway, but never below zero" {
wallet_reset()
wallet_set(7)
wallet_lose(20)
expect_eq(wallet_money(), 0)
}
test "setting what is already there is no change" (base_st: mut BaseState, wallet_st: mut WalletState) {
wallet_reset(base_st, wallet_st)
wallet_set(base_st, wallet_st, 5)
changes(base_st, wallet_st)
wallet_set(base_st, wallet_st, 5)
expect_eq(waiting(base_st, wallet_st), 0)
test "setting what is already there is no change" {
wallet_reset()
wallet_set(5)
changes()
wallet_set(5)
expect_eq(waiting(), 0)
}
test "a save section reads back the same purse" (base_st: mut BaseState, wallet_st: mut WalletState) {
wallet_reset(base_st, wallet_st)
wallet_set(base_st, wallet_st, 123)
test "a save section reads back the same purse" {
wallet_reset()
wallet_set(123)
let root = save_tree()
save_section(root, "wallet", 1, wallet_save(wallet_st))
save_section(root, "wallet", 1, wallet_save())
let text = save_encode(root)
wallet_reset(base_st, wallet_st)
wallet_reset()
let n = load_section(save_decode(text), "wallet")
wallet_load(base_st, wallet_st, n.data, n.version)
expect_eq(wallet_money(wallet_st), 123)
wallet_load(n.data, n.version)
expect_eq(wallet_money(), 123)
}
}

54
packages/ludic.wallet/wallet.ludic
View file

@ -4,55 +4,53 @@ export property MoneyChanged {
after: int = 0
}
export state WalletState {
wl_money: int = 0
wl_changes: Queue<MoneyChanged> = null
var wl_money: int = 0
var wl_changes: Queue<MoneyChanged> = null
export function wallet_changes() -> Queue<MoneyChanged> {
if wl_changes == null { wl_changes = queue_new("wallet.changes") }
return wl_changes
}
export function wallet_changes(base_st: mut BaseState, wallet_st: mut WalletState) -> Queue<MoneyChanged> {
if wallet_st.wl_changes == null { wallet_st.wl_changes = queue_new(base_st, "wallet.changes") }
return wallet_st.wl_changes
}
export function wallet_money(wallet_st: WalletState) -> int { return wallet_st.wl_money }
export function wallet_can(wallet_st: WalletState, n: int) -> bool { return wallet_st.wl_money >= n }
export function wallet_money() -> int { return wl_money }
export function wallet_can(n: int) -> bool { return wl_money >= n }
# the purse holds exactly n (a starting purse, a correction, the network's word)
export function wallet_set(base_st: mut BaseState, wallet_st: mut WalletState, n: int) -> void {
if n == wallet_st.wl_money { return }
export function wallet_set(n: int) -> void {
if n == wl_money { return }
let c = new MoneyChanged
c.before = wallet_st.wl_money
c.before = wl_money
c.after = n
wallet_st.wl_money = n
q_push(base_st, wallet_changes(base_st, wallet_st), c)
wl_money = n
q_push(wallet_changes(), c)
}
export function wallet_earn(base_st: mut BaseState, wallet_st: mut WalletState, n: int) -> void { wallet_set(base_st, wallet_st, wallet_st.wl_money + n) }
export function wallet_earn(n: int) -> void { wallet_set(wl_money + n) }
# only what is there: false, and nothing spent, when it is not
export function wallet_spend(base_st: mut BaseState, wallet_st: mut WalletState, n: int) -> bool {
if n > wallet_st.wl_money { return false }
wallet_set(base_st, wallet_st, wallet_st.wl_money - n)
export function wallet_spend(n: int) -> bool {
if n > wl_money { return false }
wallet_set(wl_money - n)
return true
}
# a cost that happens whether or not it can be paid (a rescue, a fine); never below zero
export function wallet_lose(base_st: mut BaseState, wallet_st: mut WalletState, n: int) -> void { wallet_set(base_st, wallet_st, Math.max(wallet_st.wl_money - n, 0)) }
export function wallet_lose(n: int) -> void { wallet_set(Math.max(wl_money - n, 0)) }
export function wallet_reset(base_st: mut BaseState, wallet_st: mut WalletState) -> void {
wallet_st.wl_money = 0
q_clear(base_st, wallet_changes(base_st, wallet_st))
export function wallet_reset() -> void {
wl_money = 0
q_clear(wallet_changes())
}
export function wallet_save(wallet_st: WalletState) -> Val {
export function wallet_save() -> Val {
let v = Value.object()
sv_put_int(v, "money", wallet_st.wl_money)
sv_put_int(v, "money", wl_money)
return v
}
export function wallet_load(base_st: mut BaseState, wallet_st: mut WalletState, v: Val, version: int) -> void {
wallet_st.wl_money = sv_int(v, "money", 0)
q_clear(base_st, wallet_changes(base_st, wallet_st))
export function wallet_load(v: Val, version: int) -> void {
wl_money = sv_int(v, "money", 0)
q_clear(wallet_changes())
}
export function wallet_system() -> System {