19 lines
1007 B
C#
19 lines
1007 B
C#
using Age.Engine.Model;
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namespace Age.Engine.Vm;
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/// <summary>One script activation: the running script, its instruction cursor, its local slots,
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/// its intra-script call/ret stack, and its per-script loop-guard map. Globals live on the VM and
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/// are shared across frames; everything here is per-call and discarded on return.</summary>
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internal sealed class ExecFrame
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{
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public readonly Script Script;
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public int Pc; // entry instruction index
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public readonly Frame Locals = new();
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public readonly List<int> CallStack = new(); // intra-script `call` (op 0x8f) returns
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public readonly Dictionary<int, int> EmitSeen = new();
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public int? CoroutineYieldHandlerA; // op 0x7b: native per-frame handler PCs
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public int? CoroutineYieldHandlerB;
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public readonly Dictionary<int, int> CoroutineYieldVisits = new(); // instruction index -> visits
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public ExecFrame(Script script, int pc) { Script = script; Pc = pc; }
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}
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