本文整理汇总了C#中Mono.CSharp.DefaultValueExpression类的典型用法代码示例。如果您正苦于以下问题:C# DefaultValueExpression类的具体用法?C# DefaultValueExpression怎么用?C# DefaultValueExpression使用的例子?那么恭喜您, 这里精选的类代码示例或许可以为您提供帮助。
DefaultValueExpression类属于Mono.CSharp命名空间,在下文中一共展示了DefaultValueExpression类的13个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的C#代码示例。
示例1: Inflate
public AParametersCollection Inflate (TypeParameterInflator inflator)
{
TypeSpec[] inflated_types = null;
bool default_value = false;
for (int i = 0; i < Count; ++i) {
var inflated_param = inflator.Inflate (types[i]);
if (inflated_types == null) {
if (inflated_param == types[i])
continue;
default_value |= FixedParameters[i].HasDefaultValue;
inflated_types = new TypeSpec[types.Length];
Array.Copy (types, inflated_types, types.Length);
} else {
if (inflated_param == types[i])
continue;
default_value |= FixedParameters[i].HasDefaultValue;
}
inflated_types[i] = inflated_param;
}
if (inflated_types == null)
return this;
var clone = (AParametersCollection) MemberwiseClone ();
clone.types = inflated_types;
//
// Default expression is original expression from the parameter
// declaration context which can be of nested enum in generic class type.
// In such case we end up with expression type of G<T>.E and e.g. parameter
// type of G<int>.E and conversion would fail without inflate in this
// context.
//
if (default_value) {
clone.parameters = new IParameterData[Count];
for (int i = 0; i < Count; ++i) {
var fp = FixedParameters[i];
clone.FixedParameters[i] = fp;
if (!fp.HasDefaultValue)
continue;
var expr = fp.DefaultValue;
if (inflated_types[i] == expr.Type)
continue;
var c = expr as Constant;
if (c != null) {
//
// It may fail we are inflating before type validation is done
//
c = Constant.ExtractConstantFromValue (inflated_types[i], c.GetValue (), expr.Location);
if (c == null)
expr = new DefaultValueExpression (new TypeExpression (inflated_types[i], expr.Location), expr.Location);
else
expr = c;
} else if (expr is DefaultValueExpression)
expr = new DefaultValueExpression (new TypeExpression (inflated_types[i], expr.Location), expr.Location);
clone.FixedParameters[i] = new ParameterData (fp.Name, fp.ModFlags, expr);
}
}
return clone;
}
开发者ID:bl8,项目名称:mono,代码行数:70,代码来源:parameter.cs
示例2: Visit
public override object Visit(Mono.CSharp.DefaultValueExpression defaultValueExpression)
{
var result = new DefaultValueExpression();
result.AddChild(new CSharpTokenNode(Convert(defaultValueExpression.Location), DefaultValueExpression.DefaultKeywordRole), DefaultValueExpression.DefaultKeywordRole);
var location = LocationsBag.GetLocations(defaultValueExpression);
if (location != null)
result.AddChild(new CSharpTokenNode(Convert(location [0]), Roles.LPar), Roles.LPar);
result.AddChild(ConvertToType(defaultValueExpression.Expr), Roles.Type);
if (location != null && location.Count > 1)
result.AddChild(new CSharpTokenNode(Convert(location [1]), Roles.RPar), Roles.RPar);
return result;
}
开发者ID:0xb1dd1e,项目名称:NRefactory,代码行数:12,代码来源:CSharpParser.cs
示例3: case_556
void case_556()
#line 4028 "cs-parser.jay"
{
if (lang_version < LanguageVersion.ISO_2)
FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
开发者ID:segaman,项目名称:NRefactory,代码行数:9,代码来源:cs-parser.cs
示例4: CreateParameters
//
// Imports System.Reflection parameters
//
AParametersCollection CreateParameters (TypeSpec parent, ParameterInfo[] pi, MethodBase method)
{
int varargs = method != null && (method.CallingConvention & CallingConventions.VarArgs) != 0 ? 1 : 0;
if (pi.Length == 0 && varargs == 0)
return ParametersCompiled.EmptyReadOnlyParameters;
TypeSpec[] types = new TypeSpec[pi.Length + varargs];
IParameterData[] par = new IParameterData[pi.Length + varargs];
bool is_params = false;
for (int i = 0; i < pi.Length; i++) {
ParameterInfo p = pi[i];
Parameter.Modifier mod = 0;
Expression default_value = null;
if (p.ParameterType.IsByRef) {
if ((p.Attributes & (ParameterAttributes.Out | ParameterAttributes.In)) == ParameterAttributes.Out)
mod = Parameter.Modifier.OUT;
else
mod = Parameter.Modifier.REF;
//
// Strip reference wrapping
//
var el = p.ParameterType.GetElementType ();
types[i] = ImportType (el, new DynamicTypeReader (p)); // TODO: 1-based positio to be csc compatible
} else if (i == 0 && method.IsStatic && parent.IsStatic && parent.MemberDefinition.DeclaringAssembly.HasExtensionMethod &&
HasAttribute (CustomAttributeData.GetCustomAttributes (method), "ExtensionAttribute", CompilerServicesNamespace)) {
mod = Parameter.Modifier.This;
types[i] = ImportType (p.ParameterType);
} else {
types[i] = ImportType (p.ParameterType, new DynamicTypeReader (p));
if (i >= pi.Length - 2 && types[i] is ArrayContainer) {
if (HasAttribute (CustomAttributeData.GetCustomAttributes (p), "ParamArrayAttribute", "System")) {
mod = Parameter.Modifier.PARAMS;
is_params = true;
}
}
if (!is_params && p.IsOptional) {
object value = p.RawDefaultValue;
var ptype = types[i];
if ((p.Attributes & ParameterAttributes.HasDefault) != 0 && ptype.Kind != MemberKind.TypeParameter && (value != null || TypeSpec.IsReferenceType (ptype))) {
if (value == null) {
default_value = Constant.CreateConstant (ptype, null, Location.Null);
} else {
default_value = ImportParameterConstant (value);
if (ptype.IsEnum) {
default_value = new EnumConstant ((Constant) default_value, ptype);
}
}
} else if (value == Missing.Value) {
default_value = EmptyExpression.MissingValue;
} else if (value == null) {
default_value = new DefaultValueExpression (new TypeExpression (ptype, Location.Null), Location.Null);
} else if (ptype.BuiltinType == BuiltinTypeSpec.Type.Decimal) {
default_value = ImportParameterConstant (value);
}
}
}
par[i] = new ParameterData (p.Name, mod, default_value);
}
if (varargs != 0) {
par[par.Length - 1] = new ArglistParameter (Location.Null);
types[types.Length - 1] = InternalType.Arglist;
}
return method != null ?
new ParametersImported (par, types, varargs != 0, is_params) :
new ParametersImported (par, types, is_params);
}
开发者ID:Gobiner,项目名称:ILSpy,代码行数:77,代码来源:import.cs
示例5: case_551
void case_551()
#line 3780 "cs-parser.jay"
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
开发者ID:Ein,项目名称:monodevelop,代码行数:9,代码来源:cs-parser.cs
示例6: Visit
public virtual object Visit (DefaultValueExpression defaultValueExpression)
{
return null;
}
开发者ID:KAW0,项目名称:Alter-Native,代码行数:4,代码来源:visit.cs
示例7: IsApplicable
//.........这里部分代码省略.........
// When using parameters which should not be available to the user
if (index >= param_count)
break;
if (!arg_moved) {
arguments.MarkReorderedArgument (na);
arg_moved = true;
}
Argument temp = arguments[index];
arguments[index] = arguments[i];
arguments[i] = temp;
if (temp == null)
break;
}
}
} else {
arg_count = arguments.Count;
}
} else if (arguments != null) {
arg_count = arguments.Count;
}
//
// 1. Handle generic method using type arguments when specified or type inference
//
if (candidate.IsGeneric) {
if (type_arguments != null) {
var g_args_count = candidate.Arity;
if (g_args_count != type_arguments.Count)
return int.MaxValue - 20000 + System.Math.Abs (type_arguments.Count - g_args_count);
method = candidate.MakeGenericMethod (type_arguments.Arguments);
candidate = method;
pd = candidate.Parameters;
} else {
int score = TypeManager.InferTypeArguments (ec, arguments, ref candidate);
if (score != 0)
return score - 20000;
pd = candidate.Parameters;
}
} else {
if (type_arguments != null)
return int.MaxValue - 15000;
}
//
// 2. Each argument has to be implicitly convertible to method parameter
//
method = candidate;
Parameter.Modifier p_mod = 0;
TypeSpec pt = null;
for (int i = 0; i < arg_count; i++) {
Argument a = arguments [i];
if (a == null) {
if (!pd.FixedParameters [i].HasDefaultValue)
throw new InternalErrorException ();
Expression e = pd.FixedParameters [i].DefaultValue as Constant;
if (e == null)
e = new DefaultValueExpression (new TypeExpression (pd.Types [i], loc), loc).Resolve (ec);
arguments [i] = new Argument (e, Argument.AType.Default);
continue;
}
if (p_mod != Parameter.Modifier.PARAMS) {
p_mod = pd.FixedParameters [i].ModFlags & ~(Parameter.Modifier.OUTMASK | Parameter.Modifier.REFMASK);
pt = pd.Types [i];
} else {
params_expanded_form = true;
}
Parameter.Modifier a_mod = a.Modifier & ~(Parameter.Modifier.OUTMASK | Parameter.Modifier.REFMASK);
int score = 1;
if (!params_expanded_form)
score = IsArgumentCompatible (ec, a_mod, a, p_mod & ~Parameter.Modifier.PARAMS, pt);
if (score != 0 && (p_mod & Parameter.Modifier.PARAMS) != 0 && delegate_type == null) {
// It can be applicable in expanded form
score = IsArgumentCompatible (ec, a_mod, a, 0, TypeManager.GetElementType (pt));
if (score == 0)
params_expanded_form = true;
}
if (score != 0) {
if (params_expanded_form)
++score;
return (arg_count - i) * 2 + score;
}
}
if (arg_count != param_count)
params_expanded_form = true;
return 0;
}
开发者ID:speier,项目名称:shake,代码行数:101,代码来源:ecore.cs
示例8: yyparse
//.........这里部分代码省略.........
}
break;
case 543:
#line 3762 "cs-parser.jay"
{
yyVal = end_anonymous ((ToplevelBlock) yyVals[0+yyTop]);
}
break;
case 544:
#line 3769 "cs-parser.jay"
{
yyVal = ParametersCompiled.Undefined;
}
break;
case 546:
#line 3777 "cs-parser.jay"
{
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out;
}
break;
case 547:
#line 3781 "cs-parser.jay"
{
valid_param_mod = 0;
yyVal = yyVals[-1+yyTop];
}
break;
case 548:
#line 3789 "cs-parser.jay"
{
if (RootContext.Version < LanguageVersion.ISO_2)
Report.FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 550:
#line 3800 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.LogicalNot, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 551:
#line 3804 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.OnesComplement, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 553:
#line 3812 "cs-parser.jay"
{
yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 554:
#line 3816 "cs-parser.jay"
{
yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
}
break;
case 556:
#line 3828 "cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.UnaryPlus, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
开发者ID:speier,项目名称:shake,代码行数:67,代码来源:cs-parser.cs
示例9: DefaultValueNullLiteral
public DefaultValueNullLiteral (DefaultValueExpression expr)
: base (expr.type, expr.loc)
{
}
开发者ID:calumjiao,项目名称:Mono-Class-Libraries,代码行数:4,代码来源:expression.cs
示例10: Visit
public override object Visit(Mono.CSharp.DefaultValueExpression defaultValueExpression)
{
var result = new DefaultValueExpression ();
result.AddChild (new CSharpTokenNode (Convert (defaultValueExpression.Location), "default".Length), CastExpression.Roles.Keyword);
var location = LocationsBag.GetLocations (defaultValueExpression);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[0]), 1), CastExpression.Roles.LPar);
result.AddChild ((DomNode)defaultValueExpression.Expr.Accept (this), CastExpression.Roles.ReturnType);
if (location != null)
result.AddChild (new CSharpTokenNode (Convert (location[1]), 1), CastExpression.Roles.RPar);
return result;
}
开发者ID:infodoc,项目名称:NRefactory,代码行数:12,代码来源:CSharpParser.cs
示例11: yyparse
//.........这里部分代码省略.........
}
break;
case 562:
#line 4111 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
yyVal = end_anonymous ((ParametersBlock) yyVals[0+yyTop]);
}
break;
case 563:
#line 4118 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
yyVal = ParametersCompiled.Undefined;
}
break;
case 565:
#line 4126 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
valid_param_mod = ParameterModifierType.Ref | ParameterModifierType.Out;
}
break;
case 566:
#line 4130 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
valid_param_mod = 0;
yyVal = yyVals[-1+yyTop];
}
break;
case 567:
#line 4138 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
if (lang_version < LanguageVersion.ISO_2)
FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
break;
case 569:
#line 4150 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.LogicalNot, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 570:
#line 4154 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
yyVal = new Unary (Unary.Operator.OnesComplement, (Expression) yyVals[0+yyTop], GetLocation (yyVals[-1+yyTop]));
}
break;
case 571:
#line 4158 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
yyVal = new Cast ((FullNamedExpression) yyVals[-2+yyTop], (Expression) yyVals[0+yyTop], GetLocation (yyVals[-3+yyTop]));
lbag.AddLocation (yyVal, GetLocation (yyVals[-1+yyTop]));
}
break;
case 572:
#line 4163 "D:\GitHub\M\Marvin\mcs\cs-parser.jay"
{
if (!async_block) {
report.Error (1992, GetLocation (yyVals[-1+yyTop]),
"The `await' operator can only be used when its containing method or lambda expression is marked with the `async' modifier");
} else {
current_block.ParametersBlock.IsAsync = true;
}
开发者ID:runefs,项目名称:Marvin,代码行数:66,代码来源:cs-parser.cs
示例12: CreateParameters
//
// Imports System.Reflection parameters
//
AParametersCollection CreateParameters (TypeSpec parent, ParameterInfo[] pi, MethodBase method)
{
int varargs = method != null && (method.CallingConvention & CallingConventions.VarArgs) != 0 ? 1 : 0;
if (pi.Length == 0 && varargs == 0)
return ParametersCompiled.EmptyReadOnlyParameters;
TypeSpec[] types = new TypeSpec[pi.Length + varargs];
IParameterData[] par = new IParameterData[pi.Length + varargs];
bool is_params = false;
for (int i = 0; i < pi.Length; i++) {
ParameterInfo p = pi[i];
Parameter.Modifier mod = 0;
Expression default_value = null;
if (p.ParameterType.IsByRef) {
if ((p.Attributes & (ParameterAttributes.Out | ParameterAttributes.In)) == ParameterAttributes.Out)
mod = Parameter.Modifier.OUT;
else
mod = Parameter.Modifier.REF;
//
// Strip reference wrapping
//
var el = p.ParameterType.GetElementType ();
types[i] = ImportType (el, p, 0); // TODO: 1 to be csc compatible
} else if (i == 0 && method.IsStatic && parent.IsStatic && parent.MemberDefinition.DeclaringAssembly.HasExtensionMethod &&
HasExtensionAttribute (CustomAttributeData.GetCustomAttributes (method)) != null) {
mod = Parameter.Modifier.This;
types[i] = ImportType (p.ParameterType);
} else {
types[i] = ImportType (p.ParameterType, p, 0);
if (i >= pi.Length - 2 && types[i] is ArrayContainer) {
if (HasAttribute (CustomAttributeData.GetCustomAttributes (p), typeof (ParamArrayAttribute))) {
mod = Parameter.Modifier.PARAMS;
is_params = true;
}
}
if (!is_params && p.IsOptional) {
object value = p.RawDefaultValue;
var ptype = types[i];
if (((p.Attributes & ParameterAttributes.HasDefault) != 0 && ptype.Kind != MemberKind.TypeParameter)) {
//
// Use value type as int constant can be used for object parameter type
//
var dtype = value == null ? ptype : ImportType (value.GetType ());
default_value = Constant.CreateConstant (null, dtype, value, Location.Null);
} else if (value == Missing.Value) {
default_value = EmptyExpression.MissingValue;
} else {
if (ptype == TypeManager.decimal_type)
default_value = ReadDecimalConstant (CustomAttributeData.GetCustomAttributes (p));
if (default_value == null)
default_value = new DefaultValueExpression (new TypeExpression (ptype, Location.Null), Location.Null);
}
}
}
par[i] = new ParameterData (p.Name, mod, default_value);
}
if (varargs != 0) {
par[par.Length - 1] = new ArglistParameter (Location.Null);
types[types.Length - 1] = InternalType.Arglist;
}
return method != null ?
new ParametersImported (par, types, varargs != 0, is_params) :
new ParametersImported (par, types, is_params);
}
开发者ID:davidwaters,项目名称:mono,代码行数:75,代码来源:import.cs
示例13: case_549
void case_549()
#line 3747 "C:\Projects\Junk\mono\mcs\class\Mono.CSharp\..\..\mcs\cs-parser.jay"
{
if (lang_version < LanguageVersion.ISO_2)
FeatureIsNotAvailable (GetLocation (yyVals[-3+yyTop]), "default value expression");
yyVal = new DefaultValueExpression ((Expression) yyVals[-1+yyTop], GetLocation (yyVals[-3+yyTop]));
lbag.AddLocation (yyVal, GetLocation (yyVals[-2+yyTop]), GetLocation (yyVals[0+yyTop]));
}
开发者ID:RainsSoft,项目名称:MonoCompilerAsAService,代码行数:9,代码来源:cs-parser.cs
注:本文中的Mono.CSharp.DefaultValueExpression类示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。 |
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