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优化跳转

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This commit is contained in:
LiuBai095
2025-10-17 16:42:52 +08:00
parent dde9e6b82d
commit 7b48066aaf
1 changed files with 29 additions and 31 deletions
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60
DoRunner/JumpRuntimePointerRunner.cs
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@@ -1,4 +1,5 @@
using Convention.RScript.Parser; using Convention.RScript.Parser;
using System;
using System.Diagnostics.CodeAnalysis; using System.Diagnostics.CodeAnalysis;
namespace Convention.RScript.Runner namespace Convention.RScript.Runner
@@ -7,54 +8,51 @@ namespace Convention.RScript.Runner
{ {
protected static void DoJumpRuntimePointer(ExpressionParser parser, int target, RScriptContext context) protected static void DoJumpRuntimePointer(ExpressionParser parser, int target, RScriptContext context)
{ {
int currentPointer = context.CurrentRuntimePointer;
bool isForwardMove = target > context.CurrentRuntimePointer; bool isForwardMove = target > context.CurrentRuntimePointer;
int step = isForwardMove ? 1 : -1; int step = isForwardMove ? 1 : -1;
int insLayer = 0; int depth = 0;
int lastLayer = 0;
for (; context.CurrentRuntimePointer != target; context.CurrentRuntimePointer += step) for (; context.CurrentRuntimePointer != target; context.CurrentRuntimePointer += step)
{ {
if (context.CurrentSentence.mode == RScriptSentence.Mode.ExitNamespace) if (context.CurrentSentence.mode == RScriptSentence.Mode.ExitNamespace)
{ {
if (isForwardMove) if (isForwardMove)
{ lastLayer--;
if (insLayer > 0)
insLayer--;
else
{
for (int disLayer = -insLayer; disLayer > 0; disLayer--)
context.SentenceRunners[RScriptSentence.Mode.ExitNamespace].Run(parser, context.CurrentSentence, context);
}
}
else else
insLayer++; lastLayer++;
} }
else if (context.CurrentSentence.mode == RScriptSentence.Mode.EnterNamespace) else if (context.CurrentSentence.mode == RScriptSentence.Mode.EnterNamespace)
{ {
if (isForwardMove) if (isForwardMove)
insLayer++; lastLayer++;
else else
{ lastLayer--;
if (insLayer > 0)
insLayer--;
else
{
for (int disLayer = -insLayer; disLayer > 0; disLayer--)
context.SentenceRunners[RScriptSentence.Mode.ExitNamespace].Run(parser, context.CurrentSentence, context);
}
}
} }
if (insLayer > 0) depth = lastLayer < depth ? lastLayer : depth;
}
// 对上层的最深影响
for (; depth < 0; depth++)
{
try
{ {
for (; insLayer > 0; insLayer--) context.SentenceRunners[RScriptSentence.Mode.ExitNamespace].Run(parser, context.CurrentSentence, context);
{
context.SentenceRunners[RScriptSentence.Mode.EnterNamespace].Run(parser, context.CurrentSentence, context);
}
} }
else if (insLayer < 0) catch (Exception ex)
{ {
for (; insLayer < 0; insLayer++) throw new RScriptRuntimeException($"Jump pointer with error", currentPointer, ex);
{ }
context.SentenceRunners[RScriptSentence.Mode.ExitNamespace].Run(parser, context.CurrentSentence, context); }
} // 恢复正确的层数
for (int i = depth, e = lastLayer; i < e; i++)
{
try
{
context.SentenceRunners[RScriptSentence.Mode.EnterNamespace].Run(parser, context.CurrentSentence, context);
}
catch (Exception ex)
{
throw new RScriptRuntimeException($"Jump pointer with error", currentPointer, ex);
} }
} }
} }