unsafe.cs:
#    1| [NamespaceDeclaration] namespace ... { ... }
#    3|   1: [Class] Test
#    5|     5: [Method] Main
#    5|       -1: [TypeMention] Void
#-----|       2: (Parameters)
#    5|         0: [Parameter] args
#    5|           -1: [TypeMention] String[]
#    5|             1: [TypeMention] string
#    6|       4: [BlockStmt] {...}
#    7|         0: [LocalVariableDeclStmt] ... ...;
#    7|           0: [LocalVariableDeclAndInitExpr] Int32 i = ...
#    7|             -1: [TypeMention] int
#    7|             0: [LocalVariableAccess] access to local variable i
#    7|             1: [IntLiteral] 42
#    8|         1: [LocalVariableDeclStmt] ... ...;
#    8|           0: [LocalVariableDeclAndInitExpr] Int32[] ia = ...
#    8|             -1: [TypeMention] Int32[]
#    8|               1: [TypeMention] int
#    8|             0: [LocalVariableAccess] access to local variable ia
#    8|             1: [ArrayCreation] array creation of type Int32[]
#    8|               -1: [TypeMention] Int32[]
#    8|                 1: [TypeMention] int
#    8|               0: [IntLiteral] 2
#    9|         2: [ExprStmt] ...;
#    9|           0: [AssignExpr] ... = ...
#    9|             0: [ArrayAccess] access to array element
#    9|               -1: [LocalVariableAccess] access to local variable ia
#    9|               0: [IntLiteral] 0
#    9|             1: [IntLiteral] 0
#   10|         3: [ExprStmt] ...;
#   10|           0: [AssignExpr] ... = ...
#   10|             0: [ArrayAccess] access to array element
#   10|               -1: [LocalVariableAccess] access to local variable ia
#   10|               0: [IntLiteral] 1
#   10|             1: [IntLiteral] 1
#   11|         4: [LocalVariableDeclStmt] ... ...;
#   11|           0: [LocalVariableDeclAndInitExpr] Int32* ip = ...
#   11|             -1: [TypeMention] int*
#   11|               1: [TypeMention] int
#   11|             0: [LocalVariableAccess] access to local variable ip
#   11|             1: [AddressOfExpr] &...
#   11|               0: [LocalVariableAccess] access to local variable i
#   12|         5: [ExprStmt] ...;
#   12|           0: [AssignExpr] ... = ...
#   12|             0: [LocalVariableAccess] access to local variable ip
#   12|             1: [AddExpr] ... + ...
#   12|               0: [LocalVariableAccess] access to local variable ip
#   12|               1: [IntLiteral] 1
#   13|         6: [ExprStmt] ...;
#   13|           0: [AssignExpr] ... = ...
#   13|             0: [LocalVariableAccess] access to local variable ip
#   13|             1: [AddExpr] ... + ...
#   13|               0: [PointerIndirectionExpr] *...
#   13|                 0: [LocalVariableAccess] access to local variable ip
#   13|               1: [LocalVariableAccess] access to local variable ip
#   14|         7: [ExprStmt] ...;
#   14|           0: [AssignExpr] ... = ...
#   14|             0: [LocalVariableAccess] access to local variable ip
#   14|             1: [AddExpr] ... + ...
#   14|               0: [PointerIndirectionExpr] *...
#   14|                 0: [LocalVariableAccess] access to local variable ip
#   14|               1: [AddressOfExpr] &...
#   14|                 0: [LocalVariableAccess] access to local variable i
#   15|         8: [LocalVariableDeclStmt] ... ...;
#   15|           0: [LocalVariableDeclAndInitExpr] Int32* ip42 = ...
#   15|             -1: [TypeMention] int*
#   15|               1: [TypeMention] int
#   15|             0: [LocalVariableAccess] access to local variable ip42
#   15|             1: [AddressOfExpr] &...
#   15|               0: [LocalVariableAccess] access to local variable i
#   16|         9: [ExprStmt] ...;
#   16|           0: [PostIncrExpr] ...++
#   16|             0: [LocalVariableAccess] access to local variable ip
#   17|         10: [ExprStmt] ...;
#   17|           0: [AssignExpr] ... = ...
#   17|             0: [LocalVariableAccess] access to local variable ip
#   17|             1: [SubExpr] ... - ...
#   17|               0: [LocalVariableAccess] access to local variable ip
#   17|               1: [IntLiteral] 1
#   18|         11: [ExprStmt] ...;
#   18|           0: [AssignExpr] ... = ...
#   18|             0: [PointerIndirectionExpr] *...
#   18|               0: [LocalVariableAccess] access to local variable ip42
#   18|             1: [SizeofExpr] sizeof(..)
#   18|               0: [TypeAccess] access to type Char*
#   18|                 0: [TypeMention] char*
#   18|                   1: [TypeMention] char
#   19|         12: [LocalVariableDeclStmt] ... ...;
#   19|           0: [LocalVariableDeclAndInitExpr] Int64 distance = ...
#   19|             -1: [TypeMention] long
#   19|             0: [LocalVariableAccess] access to local variable distance
#   19|             1: [SubExpr] ... - ...
#   19|               0: [LocalVariableAccess] access to local variable ip
#   19|               1: [LocalVariableAccess] access to local variable ip42
#   22|     6: [Method] f
#   22|       -1: [TypeMention] Void
#-----|       2: (Parameters)
#   22|         0: [Parameter] p
#   22|           -1: [TypeMention] char*
#   22|             1: [TypeMention] char
#   23|       4: [BlockStmt] {...}
#   24|         0: [ExprStmt] ...;
#   24|           0: [MethodCall] call to method ToString
#   24|             -1: [PointerIndirectionExpr] *...
#   24|               0: [ParameterAccess] access to parameter p
#   25|         1: [ExprStmt] ...;
#   25|           0: [MethodCall] call to method ToString
#   25|             -1: [PointerIndirectionExpr] *...
#   25|               0: [ParameterAccess] access to parameter p
#   26|         2: [ExprStmt] ...;
#   26|           0: [MethodCall] call to method ToString
#   26|             -1: [PointerIndirectionExpr] *...
#   26|               0: [AddExpr] ... + ...
#   26|                 0: [ParameterAccess] access to parameter p
#   26|               1: [IntLiteral] 0
#   30|     7: [Method] g
#   30|       -1: [TypeMention] Void
#   30|       4: [BlockStmt] {...}
#   32|     8: [Method] h
#   32|       -1: [TypeMention] Void
#   33|       4: [BlockStmt] {...}
#   34|         0: [UnsafeStmt] unsafe {...}
#   35|           0: [BlockStmt] {...}
#   36|             0: [LocalVariableDeclStmt] ... ...;
#   36|               0: [LocalVariableDeclAndInitExpr] Int32[] data = ...
#   36|                 -1: [TypeMention] Int32[]
#   36|                 0: [LocalVariableAccess] access to local variable data
#   36|                 1: [ArrayCreation] array creation of type Int32[]
#   36|                   -1: [TypeMention] Int32[]
#   36|                     1: [TypeMention] int
#   36|                   0: [IntLiteral] 10
#   37|             1: [FixedStmt] fixed(...) { ... }
#   37|               -1: [LocalVariableDeclAndInitExpr] Int32* p = ...
#   37|                 -1: [TypeMention] int*
#   37|                   1: [TypeMention] int
#   37|                 0: [LocalVariableAccess] access to local variable p
#   37|                 1: [CastExpr] (...) ...
#   37|                   1: [LocalVariableAccess] access to local variable data
#   38|               0: [BlockStmt] {...}
#   44|   2: [Class] SafeClass