public static CodegenExpression Codegen(
IntervalComputerStartedByThresholdForge forge,
CodegenExpression leftStart,
CodegenExpression leftEnd,
CodegenExpression rightStart,
CodegenExpression rightEnd,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
var methodNode = codegenMethodScope.MakeChild(
typeof(bool?),
typeof(IntervalComputerStartedByThresholdEval),
codegenClassScope)
.AddParam(IntervalForgeCodegenNames.PARAMS);
methodNode.Block
.DeclareVar <long>(
"threshold",
forge.thresholdExpr.Codegen(
CodegenExpressionBuilder.StaticMethod(
typeof(Math),
"Min",
IntervalForgeCodegenNames.REF_LEFTSTART,
IntervalForgeCodegenNames.REF_RIGHTSTART),
methodNode,
exprSymbol,
codegenClassScope))
.IfCondition(
CodegenExpressionBuilder.Relational(
CodegenExpressionBuilder.Ref("threshold"),
CodegenExpressionRelational.CodegenRelational.LT,
CodegenExpressionBuilder.Constant(0)))
.StaticMethod(
typeof(IntervalComputerStartedByThresholdEval),
METHOD_LOGWARNINGINTERVALSTARTEDBYTHRESHOLD)
.BlockReturn(CodegenExpressionBuilder.ConstantNull())
.DeclareVar <long>(
"delta",
CodegenExpressionBuilder.StaticMethod(
typeof(Math),
"Abs",
CodegenExpressionBuilder.Op(
IntervalForgeCodegenNames.REF_LEFTSTART,
"-",
IntervalForgeCodegenNames.REF_RIGHTSTART)))
.MethodReturn(
CodegenExpressionBuilder.And(
CodegenExpressionBuilder.Relational(
CodegenExpressionBuilder.Ref("delta"),
CodegenExpressionRelational.CodegenRelational.LE,
CodegenExpressionBuilder.Ref("threshold")),
CodegenExpressionBuilder.Relational(
IntervalForgeCodegenNames.REF_LEFTEND,
CodegenExpressionRelational.CodegenRelational.GT,
IntervalForgeCodegenNames.REF_RIGHTEND)));
return(CodegenExpressionBuilder.LocalMethod(methodNode, leftStart, leftEnd, rightStart, rightEnd));
}
public CodegenExpression Codegen(
CodegenExpression leftStart,
CodegenExpression leftEnd,
CodegenExpression rightStart,
CodegenExpression rightEnd,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
return(CodegenExpressionBuilder.And(
CodegenExpressionBuilder.EqualsIdentity(leftStart, rightStart),
CodegenExpressionBuilder.EqualsIdentity(leftEnd, rightEnd)));
}
public CodegenExpression Codegen(
CodegenExpression leftStart,
CodegenExpression leftEnd,
CodegenExpression rightStart,
CodegenExpression rightEnd,
CodegenMethodScope codegenMethodScope,
ExprForgeCodegenSymbol exprSymbol,
CodegenClassScope codegenClassScope)
{
return(CodegenExpressionBuilder.And(
CodegenExpressionBuilder.Relational(
leftStart,
CodegenExpressionRelational.CodegenRelational.LT,
rightStart),
CodegenExpressionBuilder.Relational(
rightEnd,
CodegenExpressionRelational.CodegenRelational.LT,
leftEnd)));
}
