public static CodegenExpression CodegenPointInTime(
DTLocalDtxOpsIntervalForge forge,
CodegenExpression inner,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
var methodNode = codegenMethodScope
.MakeChild(typeof(bool?), typeof(DTLocalDtxOpsIntervalEval), codegenClassScope)
.AddParam(typeof(DateTimeEx), "target");
var block = methodNode.Block
.DeclareVar<DateTimeEx>("dtx", Cast(typeof(DateTimeEx), ExprDotMethod(Ref("target"), "Clone")));
EvaluateCalOpsDtxCodegen(
block,
forge.calendarForges,
Ref("dtx"),
methodNode,
exprSymbol,
codegenClassScope);
block.DeclareVar<long>("time", ExprDotName(Ref("dtx"), "UtcMillis"))
.MethodReturn(
forge.intervalForge.Codegen(Ref("time"), Ref("time"), methodNode, exprSymbol, codegenClassScope));
return LocalMethod(methodNode, inner);
}
public static CodegenExpression CodegenStartEnd(
DTLocalDtxOpsIntervalForge forge,
CodegenExpression start,
CodegenExpression end,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
CodegenExpression timeZoneField =
codegenClassScope.AddOrGetDefaultFieldSharable(RuntimeSettingsTimeZoneField.INSTANCE);
var methodNode = codegenMethodScope
.MakeChild(typeof(bool?), typeof(DTLocalDtxOpsIntervalEval), codegenClassScope)
.AddParam(typeof(DateTimeEx), "startTimestamp")
.AddParam(typeof(DateTimeEx), "endTimestamp");
var block = methodNode.Block
.DeclareVar<long>("startLong", ExprDotName(Ref("startTimestamp"), "UtcMillis"))
.DeclareVar<long>("endLong", ExprDotName(Ref("endTimestamp"), "UtcMillis"))
.DeclareVar<DateTimeEx>("dtx", StaticMethod(typeof(DateTimeEx), "GetInstance", timeZoneField))
.Expression(ExprDotMethod(Ref("dtx"), "SetUtcMillis", Ref("startLong")));
EvaluateCalOpsDtxCodegen(
block,
forge.calendarForges,
Ref("dtx"),
methodNode,
exprSymbol,
codegenClassScope);
block.DeclareVar<long>("startTime", ExprDotName(Ref("dtx"), "UtcMillis"))
.DeclareVar<long>(
"endTime",
Op(Ref("startTime"), "+", Op(Ref("endLong"), "-", Ref("startLong"))))
.MethodReturn(
forge.intervalForge.Codegen(
Ref("startTime"),
Ref("endTime"),
methodNode,
exprSymbol,
codegenClassScope));
return LocalMethod(methodNode, start, end);
}
