attributes.cs:
#   10| [Attribute] [AssemblyTitle(...)]
#   10|   -1: [TypeMention] AssemblyTitleAttribute
#   10|   0: [StringLiteral] "C# attributes test"
#   11| [Attribute] [AssemblyDescription(...)]
#   11|   -1: [TypeMention] AssemblyDescriptionAttribute
#   11|   0: [StringLiteral] "A test of C# attributes"
#   12| [Attribute] [AssemblyConfiguration(...)]
#   12|   -1: [TypeMention] AssemblyConfigurationAttribute
#   12|   0: [StringLiteral] ""
#   13| [Attribute] [AssemblyCompany(...)]
#   13|   -1: [TypeMention] AssemblyCompanyAttribute
#   13|   0: [StringLiteral] "Semmle Plc"
#   14| [Attribute] [AssemblyProduct(...)]
#   14|   -1: [TypeMention] AssemblyProductAttribute
#   14|   0: [StringLiteral] "Odasa"
#   15| [Attribute] [AssemblyCopyright(...)]
#   15|   -1: [TypeMention] AssemblyCopyrightAttribute
#   15|   0: [StringLiteral] "Copyright © Semmle 2018"
#   16| [Attribute] [AssemblyTrademark(...)]
#   16|   -1: [TypeMention] AssemblyTrademarkAttribute
#   16|   0: [StringLiteral] ""
#   17| [Attribute] [AssemblyCulture(...)]
#   17|   -1: [TypeMention] AssemblyCultureAttribute
#   17|   0: [StringLiteral] ""
#   22| [Attribute] [ComVisible(...)]
#   22|   -1: [TypeMention] ComVisibleAttribute
#   22|   0: [BoolLiteral] false
#   25| [Attribute] [Guid(...)]
#   25|   -1: [TypeMention] GuidAttribute
#   25|   0: [StringLiteral] "2f70fdd6-14aa-4850-b053-d547adb1f476"
#   37| [Attribute] [AssemblyVersion(...)]
#   37|   -1: [TypeMention] AssemblyVersionAttribute
#   37|   0: [StringLiteral] "1.0.0.0"
#   38| [Attribute] [AssemblyFileVersion(...)]
#   38|   -1: [TypeMention] AssemblyFileVersionAttribute
#   38|   0: [StringLiteral] "1.0.0.0"
#   40| [Attribute] [Args(...)]
#   40|   -1: [TypeMention] ArgsAttribute
#   40|   0: [IntLiteral] 0
#   40|   1: [ArrayCreation] array creation of type Object[]
#   40|     -2: [TypeMention] Object[]
#   40|       1: [TypeMention] object
#   40|     -1: [ArrayInitializer] { ..., ... }
#   40|       0: [CastExpr] (...) ...
#   40|         1: [IntLiteral] 1
#   40|       1: [CastExpr] (...) ...
#   40|         1: [IntLiteral] 2
#   40|       2: [NullLiteral] null
#   40|   2: [TypeofExpr] typeof(...)
#   40|     0: [TypeAccess] access to type ArgsAttribute
#   40|       0: [TypeMention] ArgsAttribute
#   40|   3: [CastExpr] (...) ...
#   40|     0: [TypeAccess] access to type E
#   40|       0: [TypeMention] E
#   40|     1: [IntLiteral] 12
#   40|   4: [NullLiteral] null
#   40|   5: [ArrayCreation] array creation of type Object[]
#   40|     -2: [TypeMention] Object[]
#   40|       1: [TypeMention] object
#   40|     -1: [ArrayInitializer] { ..., ... }
#   40|       0: [CastExpr] (...) ...
#   40|         1: [IntLiteral] 1
#   40|       1: [TypeofExpr] typeof(...)
#   40|         0: [TypeAccess] access to type Int32
#   40|           0: [TypeMention] int
#   41| [Attribute] [Args(...)]
#   41|   -1: [TypeMention] ArgsAttribute
#   41|   0: [IntLiteral] 0
#   41|   1: [ArrayCreation] array creation of type Object[]
#   41|     -2: [TypeMention] Object[]
#   41|       1: [TypeMention] object
#   41|     -1: [ArrayInitializer] { ..., ... }
#   41|       0: [CastExpr] (...) ...
#   41|         1: [IntLiteral] 1
#   41|       1: [CastExpr] (...) ...
#   41|         1: [IntLiteral] 2
#   41|       2: [NullLiteral] null
#   41|   2: [TypeofExpr] typeof(...)
#   41|     0: [TypeAccess] access to type ArgsAttribute
#   41|       0: [TypeMention] ArgsAttribute
#   41|   3: [CastExpr] (...) ...
#   41|     0: [TypeAccess] access to type E
#   41|       0: [TypeMention] E
#   41|     1: [IntLiteral] 12
#   41|   4: [NullLiteral] null
#   41|   5: [ArrayCreation] array creation of type Object[]
#   41|     -2: [TypeMention] Object[]
#   41|       1: [TypeMention] object
#   41|     -1: [ArrayInitializer] { ..., ... }
#   41|       0: [CastExpr] (...) ...
#   41|         1: [IntLiteral] 1
#   41|       1: [TypeofExpr] typeof(...)
#   41|         0: [TypeAccess] access to type Int32
#   41|           0: [TypeMention] int
#   44| [Class] Foo
#-----|   0: (Attributes)
#   43|     1: [Attribute] [AttributeUsage(...)]
#   43|       -1: [TypeMention] AttributeUsageAttribute
#   43|       0: [MemberConstantAccess] access to constant All
#   43|         -1: [TypeAccess] access to type AttributeTargets
#   43|           0: [TypeMention] AttributeTargets
#-----|   3: (Base types)
#   44|     0: [TypeMention] Attribute
#   47|   5: [Method] foo
#   47|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   46|       1: [Attribute] [Conditional(...)]
#   46|         -1: [TypeMention] ConditionalAttribute
#   46|         0: [StringLiteral] "DEBUG2"
#   47|     4: [BlockStmt] {...}
#   50| [Class] Bar
#   52|   5: [Method] inc
#   52|     -1: [TypeMention] int
#-----|     2: (Parameters)
#   52|       0: [Parameter] x
#   52|         -1: [TypeMention] int
#-----|         0: (Attributes)
#   52|           1: [Attribute] [Foo(...)]
#   52|             0: [TypeMention] Foo
#   52|     4: [BlockStmt] {...}
#   52|       0: [ReturnStmt] return ...;
#   52|         0: [AddExpr] ... + ...
#   52|           0: [ParameterAccess] access to parameter x
#   52|           1: [IntLiteral] 1
#   55|   6: [Method] M1
#   55|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   54|       1: [Attribute] [My(...)]
#   54|         -1: [TypeMention] MyAttribute
#   54|         0: [BoolLiteral] false
#   55|     4: [BlockStmt] {...}
#   59|   7: [Method] M2
#   59|     -1: [TypeMention] Void
#-----|     0: (Attributes)
#   57|       1: [Attribute] [My(...)]
#   57|         -1: [TypeMention] MyAttribute
#   57|         0: [BoolLiteral] true
#   57|         1: [StringLiteral] ""
#   57|         2: [IntLiteral] 0
#   58|       2: [Attribute] [My2(...)]
#   58|         -1: [TypeMention] My2Attribute
#   58|         0: [BoolLiteral] false
#   58|         1: [BoolLiteral] true
#   58|         3: [IntLiteral] 1
#   58|         4: [IntLiteral] 42
#   59|     4: [BlockStmt] {...}
#   62| [Class] MyAttribute
#-----|   3: (Base types)
#   62|     0: [TypeMention] Attribute
#   64|   4: [Field] x
#   64|     -1: [TypeMention] int
#   65|   5: [Property] y
#   65|     -1: [TypeMention] string
#   65|     3: [Getter] get_y
#   65|     4: [Setter] set_y
#-----|       2: (Parameters)
#   65|         0: [Parameter] value
#   66|   6: [InstanceConstructor] MyAttribute
#-----|     2: (Parameters)
#   66|       0: [Parameter] b
#   66|         -1: [TypeMention] bool
#   66|     4: [BlockStmt] {...}
#   69| [Enum] E
#   69|   5: [Field] A
#   69|     1: [AssignExpr] ... = ...
#   69|       0: [MemberConstantAccess] access to constant A
#   69|       1: [IntLiteral] 42
#   71| [Class] ArgsAttribute
#-----|   3: (Base types)
#   71|     0: [TypeMention] Attribute
#   73|   4: [Property] Prop
#   73|     -1: [TypeMention] Object[]
#   73|       1: [TypeMention] object
#   73|     3: [Getter] get_Prop
#   73|     4: [Setter] set_Prop
#-----|       2: (Parameters)
#   73|         0: [Parameter] value
#   74|   5: [InstanceConstructor] ArgsAttribute
#-----|     2: (Parameters)
#   74|       0: [Parameter] i
#   74|         -1: [TypeMention] int
#   74|       1: [Parameter] o
#   74|         -1: [TypeMention] object
#   74|       2: [Parameter] t
#   74|         -1: [TypeMention] Type
#   74|       3: [Parameter] e
#   74|         -1: [TypeMention] E
#   74|       4: [Parameter] arr
#   74|         -1: [TypeMention] Int32[]
#   74|           1: [TypeMention] int
#   74|     4: [BlockStmt] {...}
#   78| [Class] X
#-----|   0: (Attributes)
#   77|     1: [Attribute] [Args(...)]
#   77|       -1: [TypeMention] ArgsAttribute
#   77|       0: [IntLiteral] 42
#   77|       1: [NullLiteral] null
#   77|       2: [TypeofExpr] typeof(...)
#   77|         0: [TypeAccess] access to type X
#   77|           0: [TypeMention] X
#   77|       3: [MemberConstantAccess] access to constant A
#   77|         -1: [TypeAccess] access to type E
#   77|           0: [TypeMention] E
#   77|       4: [ArrayCreation] array creation of type Int32[]
#   77|         -2: [TypeMention] Int32[]
#   77|           1: [TypeMention] int
#   77|         -1: [ArrayInitializer] { ..., ... }
#   77|           0: [IntLiteral] 1
#   77|           1: [IntLiteral] 2
#   77|           2: [IntLiteral] 3
#   77|       5: [ArrayCreation] array creation of type Object[]
#   77|         -2: [TypeMention] Object[]
#   77|           1: [TypeMention] object
#   77|         -1: [ArrayInitializer] { ..., ... }
#   77|           0: [CastExpr] (...) ...
#   77|             1: [IntLiteral] 1
#   77|           1: [TypeofExpr] typeof(...)
#   77|             0: [TypeAccess] access to type Int32
#   77|               0: [TypeMention] int
#   82|   5: [Method] SomeMethod
#   82|     -1: [TypeMention] int
#-----|     0: (Attributes)
#   80|       1: [Attribute] [Args(...)]
#   80|         -1: [TypeMention] ArgsAttribute
#   80|         0: [AddExpr] ... + ...
#   80|           0: [IntLiteral] 42
#   80|           1: [IntLiteral] 0
#   80|         1: [ArrayCreation] array creation of type Int32[]
#   80|           -2: [TypeMention] Int32[]
#   80|             1: [TypeMention] int
#   80|           -1: [ArrayInitializer] { ..., ... }
#   80|             0: [IntLiteral] 1
#   80|             1: [IntLiteral] 2
#   80|             2: [IntLiteral] 3
#   80|         2: [NullLiteral] null
#   80|         3: [CastExpr] (...) ...
#   80|           0: [TypeAccess] access to type E
#   80|             0: [TypeMention] E
#   80|           1: [IntLiteral] 12
#   80|         4: [NullLiteral] null
#   80|         5: [ArrayCreation] array creation of type Object[]
#   80|           -2: [TypeMention] Object[]
#   80|             1: [TypeMention] object
#   80|           -1: [ArrayInitializer] { ..., ... }
#   80|             0: [CastExpr] (...) ...
#   80|               1: [IntLiteral] 1
#   80|             1: [TypeofExpr] typeof(...)
#   80|               0: [TypeAccess] access to type Int32
#   80|                 0: [TypeMention] int
#   82|     4: [BlockStmt] {...}
#   82|       0: [ReturnStmt] return ...;
#   82|         0: [IntLiteral] 1
#   85| [Class] My2Attribute
#-----|   3: (Base types)
#   85|     0: [TypeMention] Attribute
#   87|   4: [Property] X
#   87|     -1: [TypeMention] int
#   87|     3: [Getter] get_X
#   87|     4: [Setter] set_X
#-----|       2: (Parameters)
#   87|         0: [Parameter] value
#   88|   5: [InstanceConstructor] My2Attribute
#-----|     2: (Parameters)
#   88|       0: [Parameter] a
#   88|         -1: [TypeMention] bool
#   88|       1: [Parameter] b
#   88|         -1: [TypeMention] bool
#   88|       2: [Parameter] i
#   88|         -1: [TypeMention] int
#   88|         1: [IntLiteral] 12
#   88|       3: [Parameter] j
#   88|         -1: [TypeMention] int
#   88|         1: [IntLiteral] 13
#   88|     4: [BlockStmt] {...}