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Implement compound operator patching.

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PopSlime
2022-11-14 16:03:35 +08:00
parent 1f57c299a2
commit d5d6465806
2 changed files with 15 additions and 3 deletions
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10
Assets/Cryville/Common/Pdt/PdtEvaluatorBase.cs
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@@ -34,6 +34,16 @@ namespace Cryville.Common.Pdt {
}
}
/// <summary>
/// Patches an expression with a lefthand variable and a compound operator.
/// </summary>
/// <param name="target">The name of the lefthand variable.</param>
/// <param name="op">The name of the compound operator.</param>
/// <param name="exp">The expression.</param>
public void PatchCompound(int target, int op, PdtExpression exp) {
exp.Instructions.AddFirst(new PdtInstruction.PushVariable(target));
exp.Instructions.AddLast(new PdtInstruction.Operate(op, 2));
}
/// <summary>
/// Optimizes an expression by merging its instructions.
/// </summary>
/// <param name="exp">The expression to optimize.</param>

8
Assets/Cryville/Common/Pdt/PdtExpression.cs
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@@ -51,9 +51,8 @@ namespace Cryville.Common.Pdt {
}
public class PushVariable : PdtInstruction {
public int Name { get; private set; }
public PushVariable(string name) {
Name = IdentifierManager.SharedInstance.Request(name);
}
public PushVariable(int name) { Name = name; }
public PushVariable(string name) : this(IdentifierManager.SharedInstance.Request(name)) { }
internal override void Execute(PdtEvaluatorBase etor) {
etor.PushVariable(Name);
}
@@ -63,6 +62,9 @@ namespace Cryville.Common.Pdt {
}
public class Operate : PdtInstruction {
public PdtOperatorSignature Signature { get; private set; }
public Operate(int name, int paramCount) {
Signature = new PdtOperatorSignature(name, paramCount);
}
public Operate(string name, int paramCount) {
Signature = new PdtOperatorSignature(name, paramCount);
}