36 lines
900 B
Plaintext
36 lines
900 B
Plaintext
// Demonstrate JIT mutating opt-in via JitPolicyBox whitelist
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// 1) Enable read_only → mutating hostcalls fallback (policy_denied_mutating)
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// 2) Whitelist nyash.array.push_h → allow + execute
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// Run:
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// NYASH_JIT_EXEC=1 NYASH_JIT_THRESHOLD=1 NYASH_JIT_HOSTCALL=1 NYASH_JIT_EVENTS=1 \
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// ./target/release/nyash --backend vm examples/jit_policy_optin_mutating.hako
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box Helper {
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birth() {}
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add(a) {
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a.push(1)
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return a.length()
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}
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}
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static box Main {
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main() {
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local P, H, A
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P = new JitPolicyBox()
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// Enable read-only first (deny mutating)
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P.set("read_only", true)
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H = new Helper()
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A = new ArrayBox()
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// This call will fallback by policy (observe events)
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H.add(A)
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// Opt-in: allow array.push_h through whitelist
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P.setWhitelistCsv("nyash.array.push_h")
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// This call will be allowed (observe allow event)
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return H.add(A)
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}
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}
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