GetConstantPoolClass() private méthode

private GetConstantPoolClass ( int index ) : string
index int
Résultat string
Exemple #1
0
			internal Method(ClassFile classFile, ClassFileParseOptions options, BigEndianBinaryReader br) : base(classFile, br)
			{
				// vmspec 4.6 says that all flags, except ACC_STRICT are ignored on <clinit>
				if(ReferenceEquals(Name, StringConstants.CLINIT) && ReferenceEquals(Signature, StringConstants.SIG_VOID))
				{
					access_flags &= Modifiers.Strictfp;
					access_flags |= (Modifiers.Static | Modifiers.Private);
				}
				else
				{
					// LAMESPEC: vmspec 4.6 says that abstract methods can not be strictfp (and this makes sense), but
					// javac (pre 1.5) is broken and marks abstract methods as strictfp (if you put the strictfp on the class)
					if((ReferenceEquals(Name, StringConstants.INIT) && (IsStatic || IsSynchronized || IsFinal || IsAbstract || IsNative))
						|| (IsPrivate && IsPublic) || (IsPrivate && IsProtected) || (IsPublic && IsProtected)
						|| (IsAbstract && (IsFinal || IsNative || IsPrivate || IsStatic || IsSynchronized))
						|| (classFile.IsInterface && (!IsPublic || !IsAbstract)))
					{
						throw new ClassFormatError("{0} (Illegal method modifiers: 0x{1:X})", classFile.Name, access_flags);
					}
				}
				int attributes_count = br.ReadUInt16();
				for(int i = 0; i < attributes_count; i++)
				{
					switch(classFile.GetConstantPoolUtf8String(br.ReadUInt16()))
					{
						case "Deprecated":
							if(br.ReadUInt32() != 0)
							{
								throw new ClassFormatError("Invalid Deprecated attribute length");
							}
							flags |= FLAG_MASK_DEPRECATED;
							break;
						case "Code":
						{
							if(!code.IsEmpty)
							{
								throw new ClassFormatError("{0} (Duplicate Code attribute)", classFile.Name);
							}
							BigEndianBinaryReader rdr = br.Section(br.ReadUInt32());
							code.Read(classFile, this, rdr, options);
							if(!rdr.IsAtEnd)
							{
								throw new ClassFormatError("{0} (Code attribute has wrong length)", classFile.Name);
							}
							break;
						}
						case "Exceptions":
						{
							if(exceptions != null)
							{
								throw new ClassFormatError("{0} (Duplicate Exceptions attribute)", classFile.Name);
							}
							BigEndianBinaryReader rdr = br.Section(br.ReadUInt32());
							ushort count = rdr.ReadUInt16();
							exceptions = new string[count];
							for(int j = 0; j < count; j++)
							{
								exceptions[j] = classFile.GetConstantPoolClass(rdr.ReadUInt16());
							}
							if(!rdr.IsAtEnd)
							{
								throw new ClassFormatError("{0} (Exceptions attribute has wrong length)", classFile.Name);
							}
							break;
						}
						case "Signature":
							if(classFile.MajorVersion < 49)
							{
								goto default;
							}
							if(br.ReadUInt32() != 2)
							{
								throw new ClassFormatError("Signature attribute has incorrect length");
							}
							signature = classFile.GetConstantPoolUtf8String(br.ReadUInt16());
							break;
						case "RuntimeVisibleAnnotations":
							if(classFile.MajorVersion < 49)
							{
								goto default;
							}
							annotations = ReadAnnotations(br, classFile);
							break;
						case "RuntimeVisibleParameterAnnotations":
						{
							if(classFile.MajorVersion < 49)
							{
								goto default;
							}
							BigEndianBinaryReader rdr = br.Section(br.ReadUInt32());
							byte num_parameters = rdr.ReadByte();
							parameterAnnotations = new object[num_parameters][];
							for(int j = 0; j < num_parameters; j++)
							{
								ushort num_annotations = rdr.ReadUInt16();
								parameterAnnotations[j] = new object[num_annotations];
								for(int k = 0; k < num_annotations; k++)
								{
									parameterAnnotations[j][k] = ReadAnnotation(rdr, classFile);
								}
							}
							if(!rdr.IsAtEnd)
							{
								throw new ClassFormatError("{0} (RuntimeVisibleParameterAnnotations attribute has wrong length)", classFile.Name);
							}
							break;
						}
						case "AnnotationDefault":
						{
							if(classFile.MajorVersion < 49)
							{
								goto default;
							}
							BigEndianBinaryReader rdr = br.Section(br.ReadUInt32());
							annotationDefault = ReadAnnotationElementValue(rdr, classFile);
							if(!rdr.IsAtEnd)
							{
								throw new ClassFormatError("{0} (AnnotationDefault attribute has wrong length)", classFile.Name);
							}
							break;
						}
#if STATIC_COMPILER
						case "RuntimeInvisibleAnnotations":
							if(classFile.MajorVersion < 49)
							{
								goto default;
							}
							foreach(object[] annot in ReadAnnotations(br, classFile))
							{
								if(annot[1].Equals("Likvm/lang/Internal;"))
								{
									this.access_flags &= ~Modifiers.AccessMask;
									flags |= FLAG_MASK_INTERNAL;
								}
								if(annot[1].Equals("Likvm/internal/HasCallerID;"))
								{
									flags |= FLAG_HAS_CALLERID;
								}
							}
							break;
#endif
						default:
							br.Skip(br.ReadUInt32());
							break;
					}
				}
				if(IsAbstract || IsNative)
				{
					if(!code.IsEmpty)
					{
						throw new ClassFormatError("Abstract or native method cannot have a Code attribute");
					}
				}
				else
				{
					if(code.IsEmpty)
					{
						if(ReferenceEquals(this.Name, StringConstants.CLINIT))
						{
							code.verifyError = string.Format("Class {0}, method {1} signature {2}: No Code attribute", classFile.Name, this.Name, this.Signature);
							return;
						}
						throw new ClassFormatError("Method has no Code attribute");
					}
				}
			}