-- of Old is set and Old has no yet been Frozen (i.e. Is_Frozen is false);
function Copy_Parameter_List (Subp_Id : Entity_Id) return List_Id;
- -- Utility to create a parameter profile for a new subprogram spec,
- -- when the subprogram has a body that acts as spec. This is done for
- -- some cases of inlining, and for private protected ops. Also used
- -- to create bodies for stubbed subprograms.
+ -- Utility to create a parameter profile for a new subprogram spec, when
+ -- the subprogram has a body that acts as spec. This is done for some cases
+ -- of inlining, and for private protected ops. Also used to create bodies
+ -- for stubbed subprograms.
function Current_Entity (N : Node_Id) return Entity_Id;
-- Find the currently visible definition for a given identifier, that is to
function Current_Subprogram return Entity_Id;
-- Returns current enclosing subprogram. If Current_Scope is a subprogram,
- -- then that is what is returned, otherwise the Enclosing_Subprogram of
- -- the Current_Scope is returned. The returned value is Empty if this
- -- is called from a library package which is not within any subprogram.
+ -- then that is what is returned, otherwise the Enclosing_Subprogram of the
+ -- Current_Scope is returned. The returned value is Empty if this is called
+ -- from a library package which is not within any subprogram.
function Defining_Entity (N : Node_Id) return Entity_Id;
-- Given a declaration N, returns the associated defining entity. If
-- corresponding private part must not.
procedure Insert_Explicit_Dereference (N : Node_Id);
- -- In a context that requires a composite or subprogram type and
- -- where a prefix is an access type, rewrite the access type node
- -- N (which is the prefix, e.g. of an indexed component) as an
- -- explicit dereference.
+ -- In a context that requires a composite or subprogram type and where a
+ -- prefix is an access type, rewrite the access type node N (which is the
+ -- prefix, e.g. of an indexed component) as an explicit dereference.
procedure Inspect_Deferred_Constant_Completion (Decls : List_Id);
-- Examine all deferred constants in the declaration list Decls and check
-- Import pragma. Emit the error message if that is not the case.
function Is_AAMP_Float (E : Entity_Id) return Boolean;
- -- Defined for all type entities. Returns True only for the base type
- -- of float types with AAMP format. The particular format is determined
- -- by the Digits_Value value which is 6 for the 32-bit floating point type,
- -- or 9 for the 48-bit type. This is not an attribute function (like
- -- VAX_Float) in order to not use up an extra flag and to prevent
- -- the dependency of Einfo on Targparm which would be required for a
- -- synthesized attribute.
+ -- Defined for all type entities. Returns True only for the base type of
+ -- float types with AAMP format. The particular format is determined by the
+ -- Digits_Value value which is 6 for the 32-bit floating point type, or 9
+ -- for the 48-bit type. This is not an attribute function (like VAX_Float)
+ -- in order to not use up an extra flag and to prevent the dependency of
+ -- Einfo on Targparm which would be required for a synthesized attribute.
function Is_Actual_Out_Parameter (N : Node_Id) return Boolean;
-- Determines if N is an actual parameter of out mode in a subprogram call
-- False. The nodes passed to this function are assumed to denote objects.
function Is_Dereferenced (N : Node_Id) return Boolean;
- -- N is a subexpression node of an access type. This function returns
- -- true if N appears as the prefix of a node that does a dereference
- -- of the access value (selected/indexed component, explicit dereference
- -- or a slice), and false otherwise.
+ -- N is a subexpression node of an access type. This function returns true
+ -- if N appears as the prefix of a node that does a dereference of the
+ -- access value (selected/indexed component, explicit dereference or a
+ -- slice), and false otherwise.
function Is_Descendent_Of (T1 : Entity_Id; T2 : Entity_Id) return Boolean;
-- Returns True if type T1 is a descendent of type T2, and false otherwise.
-- i.e. a library unit or an entity declared in a library package.
function Is_Local_Variable_Reference (Expr : Node_Id) return Boolean;
- -- Determines whether Expr is a reference to a variable or IN OUT
- -- mode parameter of the current enclosing subprogram.
+ -- Determines whether Expr is a reference to a variable or IN OUT mode
+ -- parameter of the current enclosing subprogram.
-- Why are OUT parameters not considered here ???
function Is_Object_Reference (N : Node_Id) return Boolean;
-- target are considered view conversions and hence variables.
function Is_Partially_Initialized_Type (Typ : Entity_Id) return Boolean;
- -- Typ is a type entity. This function returns true if this type is
- -- partly initialized, meaning that an object of the type is at least
- -- partly initialized (in particular in the record case, that at least
- -- one component has an initialization expression). Note that
- -- initialization resulting from the use of pragma Normalized_Scalars does
- -- not count.
+ -- Typ is a type entity. This function returns true if this type is partly
+ -- initialized, meaning that an object of the type is at least partly
+ -- initialized (in particular in the record case, that at least one
+ -- component has an initialization expression). Note that initialization
+ -- resulting from the use of pragma Normalized_Scalars does not count.
function Is_Potentially_Persistent_Type (T : Entity_Id) return Boolean;
-- Determines if type T is a potentially persistent type. A potentially
function Is_Value_Type (T : Entity_Id) return Boolean;
-- Returns true if type T represents a value type. This is only relevant to
- -- CIL, will always return false for other targets.
- -- What is a "value type", since this is not an Ada term, it should be
- -- defined here ???
+ -- CIL, will always return false for other targets. A value type is a CIL
+ -- object that is accessed directly, as opposed to the other CIL objects
+ -- that are accessed through managed pointers.
+
+ function Is_Delegate (T : Entity_Id) return Boolean;
+ -- Returns true if type T represents a delegate. A Delegate is the CIL
+ -- object used to represent access-to-subprogram types. This is only
+ -- relevant to CIL, will always return false for other targets.
function Is_Variable (N : Node_Id) return Boolean;
- -- Determines if the tree referenced by N represents a variable, i.e.
- -- can appear on the left side of an assignment. There is one situation,
- -- namely formal parameters, in which non-tagged type conversions are
- -- also considered variables, but Is_Variable returns False for such
- -- cases, since it has no knowledge of the context. Note that this is
- -- the point at which Assignment_OK is checked, and True is returned
- -- for any tree thus marked.
+ -- Determines if the tree referenced by N represents a variable, i.e. can
+ -- appear on the left side of an assignment. There is one situation (formal
+ -- parameters) in which non-tagged type conversions are also considered
+ -- variables, but Is_Variable returns False for such cases, since it has
+ -- no knowledge of the context. Note that this is the point at which
+ -- Assignment_OK is checked, and True is returned for any tree thus marked.
function Is_Visibly_Controlled (T : Entity_Id) return Boolean;
- -- Check whether T is derived from a visibly controlled type.
- -- This is true if the root type is declared in Ada.Finalization.
- -- If T is derived instead from a private type whose full view
- -- is controlled, an explicit Initialize/Adjust/Finalize subprogram
- -- does not override the inherited one.
+ -- Check whether T is derived from a visibly controlled type. This is true
+ -- if the root type is declared in Ada.Finalization. If T is derived
+ -- instead from a private type whose full view is controlled, an explicit
+ -- Initialize/Adjust/Finalize subprogram does not override the inherited
+ -- one.
function Is_Volatile_Object (N : Node_Id) return Boolean;
- -- Determines if the given node denotes an volatile object in the sense
- -- of the legality checks described in RM C.6(12). Note that the test
- -- here is for something actually declared as volatile, not for an object
- -- that gets treated as volatile (see Einfo.Treat_As_Volatile).
+ -- Determines if the given node denotes an volatile object in the sense of
+ -- the legality checks described in RM C.6(12). Note that the test here is
+ -- for something actually declared as volatile, not for an object that gets
+ -- treated as volatile (see Einfo.Treat_As_Volatile).
procedure Kill_Current_Values (Last_Assignment_Only : Boolean := False);
-- This procedure is called to clear all constant indications from all
procedure Kill_Size_Check_Code (E : Entity_Id);
-- Called when an address clause or pragma Import is applied to an entity.
-- If the entity is a variable or a constant, and size check code is
- -- present, this size check code is killed, since the object will not
- -- be allocated by the program.
+ -- present, this size check code is killed, since the object will not be
+ -- allocated by the program.
function Known_To_Be_Assigned (N : Node_Id) return Boolean;
-- The node N is an entity reference. This function determines whether the