mirror of https://github.com/icsharpcode/ILSpy.git
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
300 lines
12 KiB
300 lines
12 KiB
// Copyright (c) 2010-2013 AlphaSierraPapa for the SharpDevelop Team |
|
// |
|
// Permission is hereby granted, free of charge, to any person obtaining a copy of this |
|
// software and associated documentation files (the "Software"), to deal in the Software |
|
// without restriction, including without limitation the rights to use, copy, modify, merge, |
|
// publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons |
|
// to whom the Software is furnished to do so, subject to the following conditions: |
|
// |
|
// The above copyright notice and this permission notice shall be included in all copies or |
|
// substantial portions of the Software. |
|
// |
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, |
|
// INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
|
// PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE |
|
// FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR |
|
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
|
// DEALINGS IN THE SOFTWARE. |
|
|
|
using System; |
|
using System.IO; |
|
using ICSharpCode.Decompiler.CSharp.Syntax; |
|
using ICSharpCode.Decompiler.TypeSystem; |
|
|
|
namespace ICSharpCode.Decompiler.CSharp.OutputVisitor |
|
{ |
|
/// <summary> |
|
/// C# ambience. Used to convert type system symbols to text (usually for displaying the symbol to the user; e.g. in editor tooltips) |
|
/// </summary> |
|
public class CSharpAmbience : IAmbience |
|
{ |
|
public ConversionFlags ConversionFlags { get; set; } |
|
|
|
#region ConvertSymbol |
|
public string ConvertSymbol(ISymbol symbol) |
|
{ |
|
if (symbol == null) |
|
throw new ArgumentNullException("symbol"); |
|
|
|
StringWriter writer = new StringWriter(); |
|
ConvertSymbol(symbol, new TextWriterTokenWriter(writer), FormattingOptionsFactory.CreateMono ()); |
|
return writer.ToString(); |
|
} |
|
|
|
public void ConvertSymbol(ISymbol symbol, TokenWriter writer, CSharpFormattingOptions formattingPolicy) |
|
{ |
|
if (symbol == null) |
|
throw new ArgumentNullException("symbol"); |
|
if (writer == null) |
|
throw new ArgumentNullException("writer"); |
|
if (formattingPolicy == null) |
|
throw new ArgumentNullException("formattingPolicy"); |
|
|
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
AstNode node = astBuilder.ConvertSymbol(symbol); |
|
EntityDeclaration entityDecl = node as EntityDeclaration; |
|
if (entityDecl != null) |
|
PrintModifiers(entityDecl.Modifiers, writer); |
|
|
|
if ((ConversionFlags & ConversionFlags.ShowDefinitionKeyword) == ConversionFlags.ShowDefinitionKeyword) { |
|
if (node is TypeDeclaration) { |
|
switch (((TypeDeclaration)node).ClassType) { |
|
case ClassType.Class: |
|
writer.WriteKeyword(Roles.ClassKeyword, "class"); |
|
break; |
|
case ClassType.Struct: |
|
writer.WriteKeyword(Roles.StructKeyword, "struct"); |
|
break; |
|
case ClassType.Interface: |
|
writer.WriteKeyword(Roles.InterfaceKeyword, "interface"); |
|
break; |
|
case ClassType.Enum: |
|
writer.WriteKeyword(Roles.EnumKeyword, "enum"); |
|
break; |
|
default: |
|
throw new Exception("Invalid value for ClassType"); |
|
} |
|
writer.Space(); |
|
} else if (node is DelegateDeclaration) { |
|
writer.WriteKeyword(Roles.DelegateKeyword, "delegate"); |
|
writer.Space(); |
|
} else if (node is EventDeclaration) { |
|
writer.WriteKeyword(EventDeclaration.EventKeywordRole, "event"); |
|
writer.Space(); |
|
} else if (node is NamespaceDeclaration) { |
|
writer.WriteKeyword(Roles.NamespaceKeyword, "namespace"); |
|
writer.Space(); |
|
} |
|
} |
|
|
|
if ((ConversionFlags & ConversionFlags.ShowReturnType) == ConversionFlags.ShowReturnType) { |
|
var rt = node.GetChildByRole(Roles.Type); |
|
if (!rt.IsNull) { |
|
rt.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy)); |
|
writer.Space(); |
|
} |
|
} |
|
|
|
if (symbol is ITypeDefinition) |
|
WriteTypeDeclarationName((ITypeDefinition)symbol, writer, formattingPolicy); |
|
else if (symbol is IMember) |
|
WriteMemberDeclarationName((IMember)symbol, writer, formattingPolicy); |
|
else |
|
writer.WriteIdentifier(Identifier.Create(symbol.Name)); |
|
|
|
if ((ConversionFlags & ConversionFlags.ShowParameterList) == ConversionFlags.ShowParameterList && HasParameters(symbol)) { |
|
writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.LBracket : Roles.LPar, symbol.SymbolKind == SymbolKind.Indexer ? "[" : "("); |
|
bool first = true; |
|
foreach (var param in node.GetChildrenByRole(Roles.Parameter)) { |
|
if (first) { |
|
first = false; |
|
} else { |
|
writer.WriteToken(Roles.Comma, ","); |
|
writer.Space(); |
|
} |
|
param.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy)); |
|
} |
|
writer.WriteToken(symbol.SymbolKind == SymbolKind.Indexer ? Roles.RBracket : Roles.RPar, symbol.SymbolKind == SymbolKind.Indexer ? "]" : ")"); |
|
} |
|
|
|
if ((ConversionFlags & ConversionFlags.ShowBody) == ConversionFlags.ShowBody && !(node is TypeDeclaration)) { |
|
IProperty property = symbol as IProperty; |
|
if (property != null) { |
|
writer.Space(); |
|
writer.WriteToken(Roles.LBrace, "{"); |
|
writer.Space(); |
|
if (property.CanGet) { |
|
writer.WriteKeyword(PropertyDeclaration.GetKeywordRole, "get"); |
|
writer.WriteToken(Roles.Semicolon, ";"); |
|
writer.Space(); |
|
} |
|
if (property.CanSet) { |
|
writer.WriteKeyword(PropertyDeclaration.SetKeywordRole, "set"); |
|
writer.WriteToken(Roles.Semicolon, ";"); |
|
writer.Space(); |
|
} |
|
writer.WriteToken(Roles.RBrace, "}"); |
|
} else { |
|
writer.WriteToken(Roles.Semicolon, ";"); |
|
} |
|
} |
|
} |
|
|
|
static bool HasParameters(ISymbol e) |
|
{ |
|
switch (e.SymbolKind) { |
|
case SymbolKind.TypeDefinition: |
|
return ((ITypeDefinition)e).Kind == TypeKind.Delegate; |
|
case SymbolKind.Indexer: |
|
case SymbolKind.Method: |
|
case SymbolKind.Operator: |
|
case SymbolKind.Constructor: |
|
case SymbolKind.Destructor: |
|
return true; |
|
default: |
|
return false; |
|
} |
|
} |
|
|
|
TypeSystemAstBuilder CreateAstBuilder() |
|
{ |
|
TypeSystemAstBuilder astBuilder = new TypeSystemAstBuilder(); |
|
astBuilder.AddTypeReferenceAnnotations = true; |
|
astBuilder.ShowModifiers = (ConversionFlags & ConversionFlags.ShowModifiers) == ConversionFlags.ShowModifiers; |
|
astBuilder.ShowAccessibility = (ConversionFlags & ConversionFlags.ShowAccessibility) == ConversionFlags.ShowAccessibility; |
|
astBuilder.AlwaysUseShortTypeNames = (ConversionFlags & ConversionFlags.UseFullyQualifiedTypeNames) != ConversionFlags.UseFullyQualifiedTypeNames; |
|
astBuilder.ShowParameterNames = (ConversionFlags & ConversionFlags.ShowParameterNames) == ConversionFlags.ShowParameterNames; |
|
return astBuilder; |
|
} |
|
|
|
void WriteTypeDeclarationName(ITypeDefinition typeDef, TokenWriter writer, CSharpFormattingOptions formattingPolicy) |
|
{ |
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
EntityDeclaration node = astBuilder.ConvertEntity(typeDef); |
|
if (typeDef.DeclaringTypeDefinition != null) { |
|
WriteTypeDeclarationName(typeDef.DeclaringTypeDefinition, writer, formattingPolicy); |
|
writer.WriteToken(Roles.Dot, "."); |
|
} else if ((ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) == ConversionFlags.UseFullyQualifiedEntityNames) { |
|
if (!string.IsNullOrEmpty(typeDef.Namespace)) { |
|
WriteQualifiedName(typeDef.Namespace, writer, formattingPolicy); |
|
writer.WriteToken(Roles.Dot, "."); |
|
} |
|
} |
|
writer.WriteIdentifier(node.NameToken); |
|
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList) { |
|
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy); |
|
outputVisitor.WriteTypeParameters(node.GetChildrenByRole(Roles.TypeParameter)); |
|
} |
|
} |
|
|
|
void WriteMemberDeclarationName(IMember member, TokenWriter writer, CSharpFormattingOptions formattingPolicy) |
|
{ |
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
EntityDeclaration node = astBuilder.ConvertEntity(member); |
|
if ((ConversionFlags & ConversionFlags.ShowDeclaringType) == ConversionFlags.ShowDeclaringType && member.DeclaringType != null) { |
|
ConvertType(member.DeclaringType, writer, formattingPolicy); |
|
writer.WriteToken(Roles.Dot, "."); |
|
} |
|
switch (member.SymbolKind) { |
|
case SymbolKind.Indexer: |
|
writer.WriteKeyword(Roles.Identifier, "this"); |
|
break; |
|
case SymbolKind.Constructor: |
|
WriteQualifiedName(member.DeclaringType.Name, writer, formattingPolicy); |
|
break; |
|
case SymbolKind.Destructor: |
|
writer.WriteToken(DestructorDeclaration.TildeRole, "~"); |
|
WriteQualifiedName(member.DeclaringType.Name, writer, formattingPolicy); |
|
break; |
|
case SymbolKind.Operator: |
|
switch (member.Name) { |
|
case "op_Implicit": |
|
writer.WriteKeyword(OperatorDeclaration.ImplicitRole, "implicit"); |
|
writer.Space(); |
|
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator"); |
|
writer.Space(); |
|
ConvertType(member.ReturnType, writer, formattingPolicy); |
|
break; |
|
case "op_Explicit": |
|
writer.WriteKeyword(OperatorDeclaration.ExplicitRole, "explicit"); |
|
writer.Space(); |
|
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator"); |
|
writer.Space(); |
|
ConvertType(member.ReturnType, writer, formattingPolicy); |
|
break; |
|
default: |
|
writer.WriteKeyword(OperatorDeclaration.OperatorKeywordRole, "operator"); |
|
writer.Space(); |
|
var operatorType = OperatorDeclaration.GetOperatorType(member.Name); |
|
if (operatorType.HasValue) |
|
writer.WriteToken(OperatorDeclaration.GetRole(operatorType.Value), OperatorDeclaration.GetToken(operatorType.Value)); |
|
else |
|
writer.WriteIdentifier(node.NameToken); |
|
break; |
|
} |
|
break; |
|
default: |
|
writer.WriteIdentifier(Identifier.Create(member.Name)); |
|
break; |
|
} |
|
if ((ConversionFlags & ConversionFlags.ShowTypeParameterList) == ConversionFlags.ShowTypeParameterList && member.SymbolKind == SymbolKind.Method) { |
|
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy); |
|
outputVisitor.WriteTypeParameters(node.GetChildrenByRole(Roles.TypeParameter)); |
|
} |
|
} |
|
|
|
void PrintModifiers(Modifiers modifiers, TokenWriter writer) |
|
{ |
|
foreach (var m in CSharpModifierToken.AllModifiers) { |
|
if ((modifiers & m) == m) { |
|
writer.WriteKeyword(EntityDeclaration.ModifierRole, CSharpModifierToken.GetModifierName(m)); |
|
writer.Space(); |
|
} |
|
} |
|
} |
|
|
|
void WriteQualifiedName(string name, TokenWriter writer, CSharpFormattingOptions formattingPolicy) |
|
{ |
|
var node = AstType.Create(name); |
|
var outputVisitor = new CSharpOutputVisitor(writer, formattingPolicy); |
|
node.AcceptVisitor(outputVisitor); |
|
} |
|
#endregion |
|
|
|
public string ConvertVariable(IVariable v) |
|
{ |
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
AstNode astNode = astBuilder.ConvertVariable(v); |
|
return astNode.ToString().TrimEnd(';', '\r', '\n', (char)8232); |
|
} |
|
|
|
public string ConvertType(IType type) |
|
{ |
|
if (type == null) |
|
throw new ArgumentNullException("type"); |
|
|
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
astBuilder.AlwaysUseShortTypeNames = (ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) != ConversionFlags.UseFullyQualifiedEntityNames; |
|
AstType astType = astBuilder.ConvertType(type); |
|
return astType.ToString(); |
|
} |
|
|
|
public void ConvertType(IType type, TokenWriter writer, CSharpFormattingOptions formattingPolicy) |
|
{ |
|
TypeSystemAstBuilder astBuilder = CreateAstBuilder(); |
|
astBuilder.AlwaysUseShortTypeNames = (ConversionFlags & ConversionFlags.UseFullyQualifiedEntityNames) != ConversionFlags.UseFullyQualifiedEntityNames; |
|
AstType astType = astBuilder.ConvertType(type); |
|
astType.AcceptVisitor(new CSharpOutputVisitor(writer, formattingPolicy)); |
|
} |
|
|
|
public string ConvertConstantValue(object constantValue) |
|
{ |
|
return TextWriterTokenWriter.PrintPrimitiveValue(constantValue); |
|
} |
|
|
|
public string WrapComment(string comment) |
|
{ |
|
return "// " + comment; |
|
} |
|
} |
|
}
|
|
|