public CodegenExpression Codegen(
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope,
CodegenExpressionRef left,
CodegenExpressionRef right,
Type ltype,
Type rtype)
{
var resultType = typeof(decimal);
if (ltype.IsNullable() || rtype.IsNullable() || _divisionByZeroReturnsNull)
{
resultType = typeof(decimal?);
}
var block = codegenMethodScope
.MakeChild(resultType, typeof(DivideDecimalConvComputerBase), codegenClassScope)
.AddParam(ltype, "d1")
.AddParam(rtype, "d2")
.Block
.DeclareVar <decimal>(
"s1",
_convOne.CoerceCodegen(CodegenExpressionBuilder.Ref("d1"), ltype))
.DeclareVar <decimal>(
"s2",
_convTwo.CoerceCodegen(CodegenExpressionBuilder.Ref("d2"), rtype));
var ifZeroDivisor =
block.IfCondition(
CodegenExpressionBuilder.EqualsIdentity(
CodegenExpressionBuilder.Ref("s2"),
CodegenExpressionBuilder.Constant(0.0m)));
if (_divisionByZeroReturnsNull)
{
ifZeroDivisor.BlockReturn(CodegenExpressionBuilder.ConstantNull());
}
else
{
ifZeroDivisor.DeclareVar <decimal>(
"result",
CodegenExpressionBuilder.Op(
CodegenExpressionBuilder.Ref("s1"),
"/",
CodegenExpressionBuilder.Constant(0.0m)))
.BlockReturn(CodegenExpressionBuilder.Ref("result"));
}
var method = block.MethodReturn(
DoDivideCodegen(
CodegenExpressionBuilder.Ref("s1"),
CodegenExpressionBuilder.Ref("s2"),
codegenClassScope));
return(CodegenExpressionBuilder
.LocalMethodBuild(method)
.Pass(left)
.Pass(right)
.Call());
}
public CodegenExpression Codegen(
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope,
CodegenExpressionRef left,
CodegenExpressionRef right,
Type ltype,
Type rtype)
{
var leftValue = _convOne.CoerceCodegen(left, ltype);
var rightValue = _convTwo.CoerceCodegen(right, rtype);
return(CodegenExpressionBuilder.Op(leftValue, "+", rightValue));
}
public CodegenExpression Codegen(
CodegenMethodScope codegenMethodScope,
CodegenClassScope codegenClassScope,
CodegenExpressionRef left,
CodegenExpressionRef right,
Type ltype,
Type rtype)
{
var method = codegenMethodScope
.MakeChild(typeof(decimal?), typeof(SubtractDecimalConvComputer), codegenClassScope)
.AddParam(ltype, "d1")
.AddParam(rtype, "d2")
.Block
.DeclareVar <decimal?>("s1", convOne.CoerceCodegen(Ref("d1"), ltype))
.DeclareVar <decimal?>("s2", convTwo.CoerceCodegen(Ref("d2"), rtype))
.MethodReturn(
Op(
ExprDotName(Ref("s1"), "Value"),
"-",
ExprDotName(Ref("s2"), "Value")));
return(LocalMethodBuild(method).Pass(left).Pass(right).Call());
}
