public static CodegenExpression Codegen(
DTLocalDateTimeOpsIntervalForge forge,
CodegenExpression start,
CodegenExpression end,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
var methodNode = codegenMethodScope
.MakeChild(typeof(bool?), typeof(DTLocalDateTimeOpsIntervalEval), codegenClassScope)
.AddParam(typeof(DateTime), "start")
.AddParam(typeof(DateTime), "end");
var block = methodNode
.Block
.DebugStack()
.DeclareVar<long>(
"startMs",
StaticMethod(
typeof(DatetimeLongCoercerDateTime),
"CoerceToMillis",
Ref("start")))
.DeclareVar<long>(
"endMs",
StaticMethod(
typeof(DatetimeLongCoercerDateTime),
"CoerceToMillis",
Ref("end")))
.DeclareVar<long>(
"deltaMSec",
Op(Ref("endMs"), "-", Ref("startMs")))
.DeclareVar<DateTime>(
"result",
Ref("start"));
EvaluateCalOpsDateTimeCodegen(block, "result", forge.calendarForges, methodNode, exprSymbol, codegenClassScope);
block.DeclareVar<long>(
"startLong",
StaticMethod(
typeof(DatetimeLongCoercerDateTime),
"CoerceToMillis",
Ref("result")));
block.DeclareVar<long>(
"endTime", Op(Ref("startLong"), "+", Ref("deltaMSec")));
block.MethodReturn(
forge.intervalForge.Codegen(
Ref("startLong"),
Ref("endTime"),
methodNode,
exprSymbol,
codegenClassScope));
return LocalMethod(methodNode, start, end);
}
public static CodegenExpression Codegen(
DTLocalDateTimeOpsIntervalForge forge,
CodegenExpression inner,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
var methodNode = codegenMethodScope
.MakeChild(typeof(bool?), typeof(DTLocalDateTimeOpsIntervalEval), codegenClassScope)
.AddParam(typeof(DateTime), "target");
var block = methodNode.Block;
EvaluateCalOpsDateTimeCodegen(block, "target", forge.calendarForges, methodNode, exprSymbol, codegenClassScope);
block.DeclareVar<long>(
"time",
StaticMethod(
typeof(DatetimeLongCoercerDateTime),
"CoerceToMillis",
Ref("target")));
block.MethodReturn(
forge.intervalForge.Codegen(Ref("time"), Ref("time"), methodNode, exprSymbol, codegenClassScope));
return LocalMethod(methodNode, inner);
}
