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Fix behaviour on parameter overflow.

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PopSlime
2023-02-17 21:11:38 +08:00
parent f91aacd78e
commit 2d4087dc89
2 changed files with 6 additions and 6 deletions
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2
Assets/Cryville/Common/Pdt/PdtEvaluatorBase.cs
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@@ -186,7 +186,7 @@ namespace Cryville.Common.Pdt {
protected abstract PdtOperator GetOperator(PdtOperatorSignature sig); protected abstract PdtOperator GetOperator(PdtOperatorSignature sig);
unsafe void Operate(PdtOperator op, int pc, bool noset = false) { unsafe void Operate(PdtOperator op, int pc, bool noset = false) {
fixed (byte* pmem = _mem) { fixed (byte* pmem = _mem) {
op.Begin(this); op.Begin(this, pc);
for (int i = 0; i < pc; i++) { for (int i = 0; i < pc; i++) {
var frame = _stack[--_framecount]; var frame = _stack[--_framecount];
op.LoadOperand(new PdtVariableMemory(frame.Type, pmem + frame.Offset, frame.Length)); op.LoadOperand(new PdtVariableMemory(frame.Type, pmem + frame.Offset, frame.Length));

10
Assets/Cryville/Common/Pdt/PdtOperator.cs
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@@ -11,7 +11,7 @@ namespace Cryville.Common.Pdt {
/// <summary> /// <summary>
/// The count of the operands loaded. /// The count of the operands loaded.
/// </summary> /// </summary>
protected int LoadedOperandCount { get { return _pc - _loadindex; } } protected int LoadedOperandCount { get; private set; }
/// <summary> /// <summary>
/// Gets the operand at the specified index. /// Gets the operand at the specified index.
/// </summary> /// </summary>
@@ -35,13 +35,13 @@ namespace Cryville.Common.Pdt {
} }
PdtEvaluatorBase _etor; PdtEvaluatorBase _etor;
bool _rfreq = true; bool _rfreq = true;
internal void Begin(PdtEvaluatorBase etor) { internal void Begin(PdtEvaluatorBase etor, int pc) {
_etor = etor; _etor = etor;
_loadindex = _pc; _loadindex = LoadedOperandCount = pc;
} }
internal void LoadOperand(PdtVariableMemory mem) { internal void LoadOperand(PdtVariableMemory mem) {
if (_loadindex == 0) return; if (--_loadindex >= _pc) return;
_operands[--_loadindex] = mem; _operands[_loadindex] = mem;
} }
internal void Call(byte* prmem, bool noset) { internal void Call(byte* prmem, bool noset) {
_prmem = prmem; _prmem = prmem;