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YEngine: only generate code to init globals if there are any

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This commit is contained in:
UbitUmarov
2023-06-21 00:11:59 +01:00
parent 1606ce4138
commit 2bd89bd8da
1 changed files with 52 additions and 27 deletions
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79
OpenSim/Region/ScriptEngine/YEngine/MMRScriptCodeGen.cs
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@@ -1106,6 +1106,12 @@ namespace OpenSim.Region.ScriptEngine.Yengine
*/
private void GenerateMethodBody(TokenDeclVar declFunc)
{
if (declFunc.fullName == "$globalvarinit()")
{
if(declFunc.body?.statements == null)
return;
}
// Set up code generator for the function's contents.
_ilGen = declFunc.ilGen;
StartFunctionBody(declFunc);
@@ -1330,42 +1336,61 @@ namespace OpenSim.Region.ScriptEngine.Yengine
string methname = ilGen.methName;
if(methname == "default state_entry")
{
// if (!doGblInit) goto skipGblInit;
ScriptMyLabel skipGblInitLabel = ilGen.DefineLabel("__skipGblInit");
PushXMRInst(); // instance
ilGen.Emit(curDeclFunc, OpCodes.Ldfld, doGblInitFieldInfo); // instance.doGblInit
ilGen.Emit(curDeclFunc, OpCodes.Brfalse, skipGblInitLabel);
// $globalvarinit();
TokenDeclVar gviFunc = tokenScript.globalVarInit;
if(gviFunc.body.statements != null)
bool dogblinitcheck = gviFunc.body.statements != null;
if(!dogblinitcheck)
{
gviFunc.location.CallPre(this, gviFunc);
gviFunc.location.CallPost(this, gviFunc);
}
// various $staticfieldinit();
foreach(TokenDeclSDType sdType in tokenScript.sdSrcTypesValues)
{
if(sdType is TokenDeclSDTypeClass sdTypeClass)
foreach (TokenDeclSDType sdType in tokenScript.sdSrcTypesValues)
{
TokenDeclVar sfiFunc = sdTypeClass.staticFieldInit;
if((sfiFunc is not null) && (sfiFunc.body.statements is not null))
if (sdType is TokenDeclSDTypeClass sdTypeClass)
{
sfiFunc.location.CallPre(this, sfiFunc);
sfiFunc.location.CallPost(this, sfiFunc);
TokenDeclVar sfiFunc = sdTypeClass.staticFieldInit;
if ((sfiFunc is not null) && (sfiFunc.body.statements is not null))
{
dogblinitcheck = true;
break;
}
}
}
}
// doGblInit = 0;
PushXMRInst(); // instance
ilGen.Emit(curDeclFunc, OpCodes.Ldc_I4_0);
ilGen.Emit(curDeclFunc, OpCodes.Stfld, doGblInitFieldInfo); // instance.doGblInit
if (dogblinitcheck)
{
// generate if (!doGblInit) goto skipGblInit;
ScriptMyLabel skipGblInitLabel = ilGen.DefineLabel("__skipGblInit");
PushXMRInst(); // instance
ilGen.Emit(curDeclFunc, OpCodes.Ldfld, doGblInitFieldInfo); // instance.doGblInit
ilGen.Emit(curDeclFunc, OpCodes.Brfalse, skipGblInitLabel);
//skipGblInit:
ilGen.MarkLabel(skipGblInitLabel);
// $globalvarinit();
if(gviFunc.body.statements != null)
{
gviFunc.location.CallPre(this, gviFunc);
gviFunc.location.CallPost(this, gviFunc);
}
// various $staticfieldinit();
foreach(TokenDeclSDType sdType in tokenScript.sdSrcTypesValues)
{
if(sdType is TokenDeclSDTypeClass sdTypeClass)
{
TokenDeclVar sfiFunc = sdTypeClass.staticFieldInit;
if((sfiFunc is not null) && (sfiFunc.body.statements is not null))
{
sfiFunc.location.CallPre(this, sfiFunc);
sfiFunc.location.CallPost(this, sfiFunc);
}
}
}
// doGblInit = 0;
PushXMRInst(); // instance
ilGen.Emit(curDeclFunc, OpCodes.Ldc_I4_0);
ilGen.Emit(curDeclFunc, OpCodes.Stfld, doGblInitFieldInfo); // instance.doGblInit
//skipGblInit:
ilGen.MarkLabel(skipGblInitLabel);
}
}
// If this is a script-defined type constructor, call the base constructor and call