|
private TryCatchAny ( System.Linq.Expressions tryBody, System.Linq.Expressions catchBody ) : |
||
| tryBody | System.Linq.Expressions | |
| catchBody | System.Linq.Expressions | |
| Результат | ||
private MSA.Expression /*!*/ TransformRead(AstGenerator /*!*/ gen, int /*!*/ opKind)
{
MSA.Expression transformedName = TransformName(gen);
MSA.Expression transformedQualifier;
switch (TransformQualifier(gen, out transformedQualifier))
{
case StaticScopeKind.Global:
return((opKind == OpGet ? Methods.GetGlobalConstant : Methods.IsDefinedGlobalConstant).
OpCall(gen.CurrentScopeVariable, transformedName));
case StaticScopeKind.EnclosingModule:
return((opKind == OpGet ? Methods.GetUnqualifiedConstant : Methods.IsDefinedUnqualifiedConstant).
OpCall(gen.CurrentScopeVariable, transformedName));
case StaticScopeKind.Explicit:
if (opKind == OpGet)
{
return(Methods.GetQualifiedConstant.OpCall(AstFactory.Box(transformedQualifier), gen.CurrentScopeVariable, transformedName));
}
else
{
return(gen.TryCatchAny(
Methods.IsDefinedQualifiedConstant.OpCall(AstFactory.Box(transformedQualifier), gen.CurrentScopeVariable, transformedName),
Ast.Constant(false)
));
}
}
throw Assert.Unreachable;
}
internal override MSA.Expression TransformDefinedCondition(AstGenerator /*!*/ gen)
{
// MRI doesn't evaluate the arguments
MSA.Expression result = AstUtils.LightDynamic(
RubyCallAction.Make(gen.Context, _methodName, RubyCallSignature.IsDefined(_target == null)),
typeof(bool),
gen.CurrentScopeVariable,
(_target != null) ? AstUtils.Box(_target.TransformRead(gen)) : gen.CurrentSelfVariable
);
return((_target != null) ? gen.TryCatchAny(result, AstFactory.False) : result);
}
internal override MSA.Expression TransformDefinedCondition(AstGenerator /*!*/ gen)
{
if (_target != null)
{
return(gen.TryCatchAny(
Methods.IsDefinedMethod.OpCall(
AstFactory.Box(_target.TransformRead(gen)), gen.CurrentScopeVariable, AstUtils.Constant(_methodName)
),
Ast.Constant(false)
));
}
else
{
return(Methods.IsDefinedMethod.OpCall(gen.CurrentSelfVariable, gen.CurrentScopeVariable, AstUtils.Constant(_methodName)));
}
}
internal override MSA.Expression TransformDefinedCondition(AstGenerator/*!*/ gen) {
// MRI doesn't evaluate the arguments
MSA.Expression result = AstUtils.LightDynamic(
RubyCallAction.Make(gen.Context, _methodName, RubyCallSignature.IsDefined(_target == null)),
typeof(bool),
gen.CurrentScopeVariable,
(_target != null) ? AstUtils.Box(_target.TransformRead(gen)) : gen.CurrentSelfVariable
);
return (_target != null) ? gen.TryCatchAny(result, AstFactory.False) : result;
}
internal override MSA.Expression TransformDefinedCondition(AstGenerator/*!*/ gen) {
if (_target != null) {
return gen.TryCatchAny(
Methods.IsDefinedMethod.OpCall(
AstFactory.Box(_target.TransformRead(gen)), gen.CurrentScopeVariable, AstUtils.Constant(_methodName)
),
AstUtils.Constant(false)
);
} else {
return Methods.IsDefinedMethod.OpCall(gen.CurrentSelfVariable, gen.CurrentScopeVariable, AstUtils.Constant(_methodName));
}
}
private MSA.Expression/*!*/ TransformRead(AstGenerator/*!*/ gen, int/*!*/ opKind) {
MSA.Expression transformedName = TransformName(gen);
MSA.Expression transformedQualifier;
switch (TransformQualifier(gen, out transformedQualifier)) {
case StaticScopeKind.Global:
return (opKind == OpGet ? Methods.GetGlobalConstant : Methods.IsDefinedGlobalConstant).
OpCall(gen.CurrentScopeVariable, transformedName);
case StaticScopeKind.EnclosingModule:
return (opKind == OpGet ? Methods.GetUnqualifiedConstant : Methods.IsDefinedUnqualifiedConstant).
OpCall(gen.CurrentScopeVariable, transformedName);
case StaticScopeKind.Explicit:
if (opKind == OpGet) {
return Methods.GetQualifiedConstant.OpCall(AstFactory.Box(transformedQualifier), gen.CurrentScopeVariable, transformedName);
} else {
return gen.TryCatchAny(
Methods.IsDefinedQualifiedConstant.OpCall(AstFactory.Box(transformedQualifier), gen.CurrentScopeVariable, transformedName),
AstUtils.Constant(false)
);
}
}
throw Assert.Unreachable;
}
