-- --
-- S p e c --
-- --
--- Copyright (C) 1992-2009, Free Software Foundation, Inc. --
+-- Copyright (C) 1992-2010, Free Software Foundation, Inc. --
-- --
-- GNAT is free software; you can redistribute it and/or modify it under --
-- terms of the GNU General Public License as published by the Free Soft- --
-- If changes are made to this file, a number of related steps must be
-- carried out to ensure consistency. First, if a field access function is
- -- added, it appears in seven places:
-
- -- The documentation associated with the node
- -- The spec of the access function in sinfo.ads
- -- The body of the access function in sinfo.adb
- -- The pragma Inline at the end of sinfo.ads for the access function
- -- The spec of the set procedure in sinfo.ads
- -- The body of the set procedure in sinfo.adb
- -- The pragma Inline at the end of sinfo.ads for the set procedure
+ -- added, it appears in these places:
+
+ -- In sinfo.ads:
+ -- The documentation associated with the field (if semantic)
+ -- The documentation associated with the node
+ -- The spec of the access function
+ -- The spec of the set procedure
+ -- The entries in Is_Syntactic_Field
+ -- The pragma Inline for the access function
+ -- The pragma Inline for the set procedure
+ -- In sinfo.adb:
+ -- The body of the access function
+ -- The body of the set procedure
-- The field chosen must be consistent in all places, and, for a node that
-- is a subexpression, must not overlap any of the standard expression
-- Finally, four utility programs must be run:
- -- Run CSinfo to check that you have made the changes consistently. It
- -- checks most of the rules given above, with clear error messages. This
- -- utility reads sinfo.ads and sinfo.adb and generates a report to
- -- standard output.
+ -- (Optional.) Run CSinfo to check that you have made the changes
+ -- consistently. It checks most of the rules given above. This utility
+ -- reads sinfo.ads and sinfo.adb and generates a report to standard
+ -- output. This step is optional because XSinfo runs CSinfo.
-- Run XSinfo to create sinfo.h, the corresponding C header. This
-- utility reads sinfo.ads and generates sinfo.h. Note that it does
-- spec of the Nmake package which contains functions for constructing
-- nodes.
- -- All of the above steps except CSinfo are done automatically by the
- -- build scripts when you do a full bootstrap.
+ -- The above steps are done automatically by the build scripts when you do
+ -- a full bootstrap.
-- Note: sometime we could write a utility that actually generated the body
-- of sinfo from the spec instead of simply checking it, since, as noted
-- The following flag fields appear in all nodes
- -- Analyzed (Flag1)
+ -- Analyzed
-- This flag is used to indicate that a node (and all its children have
-- been analyzed. It is used to avoid reanalysis of a node that has
-- already been analyzed, both for efficiency and functional correctness
-- reasons.
- -- Comes_From_Source (Flag2)
- -- This flag is on for any nodes built by the scanner or parser from the
- -- source program, and off for any nodes built by the analyzer or
- -- expander. It indicates that a node comes from the original source.
- -- This flag is defined in Atree.
+ -- Comes_From_Source
+ -- This flag is set if the node comes directly from an explicit construct
+ -- in the source. It is normally on for any nodes built by the scanner or
+ -- parser from the source program, with the exception that in a few cases
+ -- the parser adds nodes to normalize the representation (in particular
+ -- a null statement is added to a package body if there is no begin/end
+ -- initialization section.
+ --
+ -- Most nodes inserted by the analyzer or expander are not considered
+ -- as coming from source, so the flag is off for such nodes. In a few
+ -- cases, the expander constructs nodes closely equivalent to nodes
+ -- from the source program (e.g. the allocator built for build-in-place
+ -- case), and the Comes_From_Source flag is deliberately set.
- -- Error_Posted (Flag3)
+ -- Error_Posted
-- This flag is used to avoid multiple error messages being posted on or
-- referring to the same node. This flag is set if an error message
-- refers to a node or is posted on its source location, and has the
-- has been inserted at the flagged node. This is used to avoid the
-- generation of duplicate checks.
- -- Has_Local_Raise (Flag8-Sem)
- -- Present in exception handler nodes. Set if the handler can be entered
- -- via a local raise that gets transformed to a goto statement. This will
- -- always be set if Local_Raise_Statements is non-empty, but can also be
- -- set as a result of generation of N_Raise_xxx nodes, or flags set in
- -- nodes requiring generation of back end checks.
-
------------------------------------
-- Description of Semantic Fields --
------------------------------------
-- issues. Used to inhibit multiple redundant messages.
-- Aggregate_Bounds (Node3-Sem)
- -- Present in array N_Aggregate nodes. If the aggregate contains
- -- component associations this field points to an N_Range node whose
- -- bounds give the lowest and highest discrete choice values. If the
- -- named aggregate contains a dynamic or null choice this field is empty.
- -- If the aggregate contains positional elements this field points to an
- -- N_Integer_Literal node giving the number of positional elements. Note
- -- that if the aggregate contains positional elements and an other choice
- -- the N_Integer_Literal only accounts for the number of positional
- -- elements.
+ -- Present in array N_Aggregate nodes. If the bounds of the aggregate are
+ -- known at compile time, this field points to an N_Range node with those
+ -- bounds. Otherwise Empty.
-- All_Others (Flag11-Sem)
-- Present in an N_Others_Choice node. This flag is set for an others
-- is used for translation of the at end handler into a normal exception
-- handler.
+ -- Aspect_Rep_Item (Node2-Sem)
+ -- Present in N_Aspect_Specification nodes. Points to the corresponding
+ -- pragma/attribute definition node used to process the aspect.
+
-- Assignment_OK (Flag15-Sem)
-- This flag is set in a subexpression node for an object, indicating
-- that the associated object can be modified, even if this would not
-- for the default expression). Default_Expression is used for
-- conformance checking.
+ -- Default_Storage_Pool (Node3-Sem)
+ -- This field is present in N_Compilation_Unit_Aux nodes. It is set to a
+ -- copy of Opt.Default_Pool at the end of the compilation unit. See
+ -- package Opt for details. This is used for inheriting the
+ -- Default_Storage_Pool in child units.
+
-- Discr_Check_Funcs_Built (Flag11-Sem)
-- This flag is present in N_Full_Type_Declaration nodes. It is set when
-- discriminant checking functions are constructed. The purpose is to
-- cannot figure it out. If both flags Forwards_OK and Backwards_OK are
-- set, it means that the front end can assure no overlap of operands.
+ -- From_Aspect_Specification (Flag13-Sem)
+ -- Processing of aspect specifications typically results in insertion in
+ -- the tree of corresponding pragma or attribute definition clause nodes.
+ -- These generated nodes have the From_Aspect_Specification flag set to
+ -- indicate that they came from aspect specifications originally.
+
-- From_At_End (Flag4-Sem)
-- This flag is set on an N_Raise_Statement node if it corresponds to
-- the reraise statement generated as the last statement of an AT END
-- declaration is treated as an implicit reference to the formal in the
-- ali file.
+ -- From_Dynamic_Predicate (Flag7-Sem)
+ -- Set for generated pragma Predicate node if this is generated by a
+ -- Dynamic_Predicate aspect.
+
+ -- From_Static_Predicate (Flag8-Sem)
+ -- Set for generated pragma Predicate node if this is generated by a
+ -- Static_Predicate aspect.
+
-- Generic_Parent (Node5-Sem)
-- Generic_Parent is defined on declaration nodes that are instances. The
-- value of Generic_Parent is the generic entity from which the instance
-- handler is deleted during optimization. For further details on why
-- this is required, see Exp_Ch11.Remove_Handler_Entries.
+ -- Has_Local_Raise (Flag8-Sem)
+ -- Present in exception handler nodes. Set if the handler can be entered
+ -- via a local raise that gets transformed to a goto statement. This will
+ -- always be set if Local_Raise_Statements is non-empty, but can also be
+ -- set as a result of generation of N_Raise_xxx nodes, or flags set in
+ -- nodes requiring generation of back end checks.
+
-- Has_No_Elaboration_Code (Flag17-Sem)
-- A flag that appears in the N_Compilation_Unit node to indicate whether
-- or not elaboration code is present for this unit. It is initially set
-- generate elaboration code, and non-preelaborated packages which do
-- not generate elaboration code.
- -- Has_Priority_Pragma (Flag6-Sem)
+ -- Has_Pragma_CPU (Flag14-Sem)
+ -- A flag present in N_Subprogram_Body and N_Task_Definition nodes to
+ -- flag the presence of a CPU pragma in the declaration sequence (public
+ -- or private in the task case).
+
+ -- Has_Pragma_Suppress_All (Flag14-Sem)
+ -- This flag is set in an N_Compilation_Unit node if the Suppress_All
+ -- pragma appears anywhere in the unit. This accommodates the rather
+ -- strange placement rules of other compilers (DEC permits it at the
+ -- end of a unit, and Rational allows it as a program unit pragma). We
+ -- allow it anywhere at all, and consider it equivalent to a pragma
+ -- Suppress (All_Checks) appearing at the start of the configuration
+ -- pragmas for the unit.
+
+ -- Has_Pragma_Priority (Flag6-Sem)
-- A flag present in N_Subprogram_Body, N_Task_Definition and
-- N_Protected_Definition nodes to flag the presence of either a Priority
-- or Interrupt_Priority pragma in the declaration sequence (public or
-- Has_Wide_Character (Flag11-Sem)
-- Present in string literals, set if any wide character (i.e. character
- -- code outside the Character range) appears in the string.
+ -- code outside the Character range but within Wide_Character range)
+ -- appears in the string. Used to implement pragma preference rules.
+
+ -- Has_Wide_Wide_Character (Flag13-Sem)
+ -- Present in string literals, set if any wide character (i.e. character
+ -- code outside the Wide_Character range) appears in the string. Used to
+ -- implement pragma preference rules.
-- Hidden_By_Use_Clause (Elist4-Sem)
-- An entity list present in use clauses that appear within
-- 'Address or 'Tag attribute. ???There are other implicit with clauses
-- as well.
+ -- Import_Interface_Present (Flag16-Sem)
+ -- This flag is set in an Interface or Import pragma if a matching
+ -- pragma of the other kind is also present. This is used to avoid
+ -- generating some unwanted error messages.
+
-- Includes_Infinities (Flag11-Sem)
-- This flag is present in N_Range nodes. It is set for the range of
-- unconstrained float types defined in Standard, which include not only
-- range is given by the programmer, even if that range is identical to
-- the range for Float.
+ -- Inherited_Discriminant (Flag13-Sem)
+ -- This flag is present in N_Component_Association nodes. It indicates
+ -- that a given component association in an extension aggregate is the
+ -- value obtained from a constraint on an ancestor. Used to prevent
+ -- double expansion when the aggregate has expansion delayed.
+
-- Instance_Spec (Node5-Sem)
-- This field is present in generic instantiation nodes, and also in
-- formal package declaration nodes (formal package declarations are
-- to the node for the spec of the instance, inserted as part of the
-- semantic processing for instantiations in Sem_Ch12.
- -- Is_Accessibility_Actual (Flag13-Sem)
+ -- Is_Accessibility_Actual (Flag12-Sem)
-- Present in N_Parameter_Association nodes. True if the parameter is
-- an extra actual that carries the accessibility level of the actual
-- for an access parameter, in a function that dispatches on result and
-- expansion of an asynchronous entry call. Such a block needs cleanup
-- handler to assure that the call is cancelled.
+ -- Is_Boolean_Aspect (Flag16-Sem)
+ -- Present in N_Aspect_Specification node. Set if the aspect is for a
+ -- boolean aspect (i.e. Aspect_Id is in Boolean_Aspect subtype).
+
-- Is_Component_Left_Opnd (Flag13-Sem)
-- Is_Component_Right_Opnd (Flag14-Sem)
-- Present in concatenation nodes, to indicate that the corresponding
-- operand is of the component type of the result. Used in resolving
-- concatenation nodes in instances.
+ -- Is_Delayed_Aspect (Flag14-Sem)
+ -- Present in N_Pragma and N_Attribute_Definition_Clause nodes which
+ -- come from aspect specifications, where the evaluation of the aspect
+ -- must be delayed to the freeze point. This flag is also set True in
+ -- the corresponding N_Aspect_Specification node.
+
-- Is_Controlling_Actual (Flag16-Sem)
-- This flag is set on in an expression that is a controlling argument in
-- a dispatching call. It is off in all other cases. See Sem_Disp for
-- scope are chained, and this field is used as the forward pointer for
-- this list. See Einfo for further details.
+ -- Next_Exit_Statement (Node3-Sem)
+ -- Present in N_Exit_Statement nodes. The exit statements for a loop are
+ -- chained (in reverse order of appearance) from the First_Exit_Statement
+ -- field of the E_Loop entity for the loop. Next_Exit_Statement points to
+ -- the next entry on this chain (Empty = end of list).
+
-- Next_Implicit_With (Node3-Sem)
-- Present in N_With_Clause. Part of a chain of with_clauses generated
-- in rtsfind to indicate implicit dependencies on predefined units. Used
-- A postorder traversal of the tree whose nodes are units and whose
-- links are with_clauses defines the order in which Inspector must
-- examine a compiled unit and its full context. This ordering ensures
- -- that any subprogram call is examined after the subprogram declartion
+ -- that any subprogram call is examined after the subprogram declaration
-- has been seen.
-- Next_Named_Actual (Node4-Sem)
-- details).
-- Next_Rep_Item (Node5-Sem)
- -- Present in pragma nodes and attribute definition nodes. Used to link
- -- representation items that apply to an entity. See description of
- -- First_Rep_Item field in Einfo for full details.
+ -- Present in pragma nodes, attribute definition nodes, enumeration rep
+ -- clauses, record rep clauses, aspect specification nodes. Used to link
+ -- representation items that apply to an entity. See full description of
+ -- First_Rep_Item field in Einfo for further details.
-- Next_Use_Clause (Node3-Sem)
-- While use clauses are active during semantic processing, they are
-- package specification. This field is Empty for library bodies (the
-- parent spec in this case can be found from the corresponding spec).
- -- PPC_Enabled (Flag5-Sem)
- -- Present in N_Pragma nodes. This flag is relevant only for precondition
- -- and postcondition nodes. It is true if the check corresponding to the
- -- pragma type is enabled at the point where the pragma appears.
+ -- Pragma_Enabled (Flag5-Sem)
+ -- Present in N_Pragma nodes. This flag is relevant only for pragmas
+ -- Assert, Check, Precondition, and Postcondition. It is true if the
+ -- check corresponding to the pragma type is enabled at the point where
+ -- the pragma appears.
-- Present_Expr (Uint3-Sem)
-- Present in an N_Variant node. This has a meaningful value only after
-- Present in SCIL nodes. Used to reference the tagged type associated
-- with the SCIL node.
- -- SCIL_Related_Node (Node1-Sem)
- -- Present in SCIL nodes. Used to reference a tree node that requires
- -- special processing in the CodePeer backend.
-
-- SCIL_Controlling_Tag (Node5-Sem)
-- Present in N_SCIL_Dispatching_Call nodes. Used to reference the
-- controlling tag of a dispatching call.
-- source type entity for the unchecked conversion instantiation
-- which gigi must do size validation for.
+ -- Split_PPC (Flag17)
+ -- When a Pre or Postaspect specification is processed, it is broken
+ -- into AND THEN sections. The left most section has Split_PPC set to
+ -- False, indicating that it is the original specification (e.g. for
+ -- posting errors). For other sections, Split_PPC is set to True.
+ -- This flag is set in both the N_Aspect_Specification node itself,
+ -- and in the pragma which is generated from this node.
+
-- Static_Processing_OK (Flag4-Sem)
-- Present in N_Aggregate nodes. When the Compile_Time_Known_Aggregate
-- flag is set, the full value of the aggregate can be determined at
-- value of a type whose size is not known at compile time on the
-- secondary stack.
+ -- Suppress_Assignment_Checks (Flag18-Sem)
+ -- Used in generated N_Assignment_Statement nodes to suppress predicate
+ -- and range checks in cases where the generated code knows that the
+ -- value being assigned is in range and satisfies any predicate. Also
+ -- can be set in N_Object_Declaration nodes, to similarly suppress any
+ -- checks on the initializing value.
+
-- Suppress_Loop_Warnings (Flag17-Sem)
-- Used in N_Loop_Statement node to indicate that warnings within the
-- body of the loop should be suppressed. This is set when the range
-- the body, so this flag is used to generate the proper message (see
-- Sem_Util.Check_Unused_Withs for details)
+ -- Used_Operations (Elist5-Sem)
+ -- Present in N_Use_Type_Clause nodes. Holds the list of operations that
+ -- are made potentially use-visible by the clause. Simplifies processing
+ -- on exit from the scope of the use_type_clause, in particular in the
+ -- case of Use_All_Type, when those operations several scopes.
+
-- Was_Originally_Stub (Flag13-Sem)
-- This flag is set in the node for a proper body that replaces stub.
-- During the analysis procedure, stubs in some situations get rewritten
-- Original_Node here because of the case of nested instantiations where
-- the substituted node can be copied.
+ -- Withed_Body (Node1-Sem)
+ -- Present in N_With_Clause nodes. Set if the unit in whose context
+ -- the with_clause appears instantiates a generic contained in the
+ -- library unit of the with_clause and as a result loads its body.
+ -- Used for a more precise unit traversal for CodePeer.
+
-- Zero_Cost_Handling (Flag5-Sem)
-- This flag is set in all handled sequence of statement and exception
-- handler nodes if exceptions are to be handled using the zero-cost
-- Note: the value of an integer literal node created by the front end
-- is never outside the range of values of the base type. However, it
- -- can be the case that the value is outside the range of the
+ -- can be the case that the created value is outside the range of the
-- particular subtype. This happens in the case of integer overflows
-- with checks suppressed.
-- Sloc points to literal
-- Strval (Str3) contains Id of string value
-- Has_Wide_Character (Flag11-Sem)
+ -- Has_Wide_Wide_Character (Flag13-Sem)
-- Is_Folded_In_Parser (Flag4)
-- plus fields for expression
-- which are explicitly documented.
-- N_Pragma
- -- Sloc points to pragma identifier
+ -- Sloc points to PRAGMA
-- Next_Pragma (Node1-Sem)
-- Pragma_Argument_Associations (List2) (set to No_List if none)
- -- Debug_Statement (Node3) (set to Empty if not Debug, Assert)
+ -- Debug_Statement (Node3) (set to Empty if not Debug)
-- Pragma_Identifier (Node4)
-- Next_Rep_Item (Node5-Sem)
- -- PPC_Enabled (Flag5-Sem)
+ -- Pragma_Enabled (Flag5-Sem)
+ -- From_Aspect_Specification (Flag13-Sem)
+ -- Is_Delayed_Aspect (Flag14-Sem)
+ -- Import_Interface_Present (Flag16-Sem)
+ -- Split_PPC (Flag17) set if corresponding aspect had Split_PPC set
+ -- Class_Present (Flag6) set if from Aspect with 'Class
+ -- From_Dynamic_Predicate (Flag7-Sem) Set if Dynamic_Predicate aspect
+ -- From_Static_Predicate (Flag8-Sem) Set if Static_Predicate aspect
-- Note: we should have a section on what pragmas are passed on to
-- the back end to be processed. This section should note that pragma
-- Note: a utility function Pragma_Name may be applied to pragma nodes
-- to conveniently obtain the Chars field of the Pragma_Identifier.
- --------------------------------------
+ -- Note: if From_Aspect_Specification is set, then Sloc points to the
+ -- aspect name, as does the Pragma_Identifier. In this case if the
+ -- pragma has a local name argument (such as pragma Inline), it is
+ -- resolved to point to the specific entity affected by the pragma.
+
+ --------------------------------------
-- 2.8 Pragma Argument Association --
--------------------------------------
-- FULL_TYPE_DECLARATION ::=
-- type DEFINING_IDENTIFIER [KNOWN_DISCRIMINANT_PART]
- -- is TYPE_DEFINITION;
+ -- is TYPE_DEFINITION
+ -- [ASPECT_SPECIFICATIONS];
+
-- | TASK_TYPE_DECLARATION
-- | PROTECTED_TYPE_DECLARATION
-- OBJECT_DECLARATION ::=
-- DEFINING_IDENTIFIER_LIST : [aliased] [constant]
- -- [NULL_EXCLUSION] SUBTYPE_INDICATION [:= EXPRESSION];
+ -- [NULL_EXCLUSION] SUBTYPE_INDICATION [:= EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- | DEFINING_IDENTIFIER_LIST : [aliased] [constant]
- -- ACCESS_DEFINITION [:= EXPRESSION];
+ -- ACCESS_DEFINITION [:= EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- | DEFINING_IDENTIFIER_LIST : [aliased] [constant]
- -- ARRAY_TYPE_DEFINITION [:= EXPRESSION];
+ -- ARRAY_TYPE_DEFINITION [:= EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- | SINGLE_TASK_DECLARATION
-- | SINGLE_PROTECTED_DECLARATION
-- Exception_Junk (Flag8-Sem)
-- Is_Subprogram_Descriptor (Flag16-Sem)
-- Has_Init_Expression (Flag14)
+ -- Suppress_Assignment_Checks (Flag18-Sem)
-------------------------------------
-- 3.3.1 Defining Identifier List --
-- COMPONENT_DECLARATION ::=
-- DEFINING_IDENTIFIER_LIST : COMPONENT_DEFINITION
-- [:= DEFAULT_EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- Note: although the syntax does not permit a component definition to
-- be an anonymous array (and the parser will diagnose such an attempt
-- are not met, then the front end must translate the aggregate into
-- an appropriate set of assignments into a temporary.
- -- Note: for the record aggregate case, gigi/gcc can handle all cases
- -- of record aggregates, including those for packed, and rep-claused
+ -- Note: for the record aggregate case, gigi/gcc can handle all cases of
+ -- record aggregates, including those for packed, and rep-claused
-- records, and also variant records, providing that there are no
- -- variable length fields whose size is not known at runtime, and
+ -- variable length fields whose size is not known at compile time, and
-- providing that the aggregate is presented in fully named form.
----------------------------------------------
-- Loop_Actions (List2-Sem)
-- Expression (Node3)
-- Box_Present (Flag15)
+ -- Inherited_Discriminant (Flag13)
-- Note: this structure is used for both record component associations
-- and array component associations, since the two cases aren't always
--------------------------------------------------
-- EXPRESSION ::=
- -- RELATION {and RELATION} | RELATION {and then RELATION}
- -- | RELATION {or RELATION} | RELATION {or else RELATION}
- -- | RELATION {xor RELATION}
+ -- RELATION {LOGICAL_OPERATOR RELATION}
- -- RELATION ::=
+ -- CHOICE_EXPRESSION ::=
+ -- CHOICE_RELATION {LOGICAL_OPERATOR CHOICE_RELATION}
+
+ -- CHOICE_RELATION ::=
-- SIMPLE_EXPRESSION [RELATIONAL_OPERATOR SIMPLE_EXPRESSION]
- -- | SIMPLE_EXPRESSION [not] in RANGE
- -- | SIMPLE_EXPRESSION [not] in SUBTYPE_MARK
+
+ -- RELATION ::=
+ -- SIMPLE_EXPRESSION [not] in MEMBERSHIP_CHOICE_LIST
+
+ -- MEMBERSHIP_CHOICE_LIST ::=
+ -- MEMBERSHIP_CHOICE {'|' MEMBERSHIP CHOICE}
+
+ -- MEMBERSHIP_CHOICE ::=
+ -- CHOICE_EXPRESSION | RANGE | SUBTYPE_MARK
+
+ -- LOGICAL_OPERATOR ::= and | and then | or | or else | xor
-- SIMPLE_EXPRESSION ::=
-- [UNARY_ADDING_OPERATOR] TERM {BINARY_ADDING_OPERATOR TERM}
-- constituent components of an expression (e.g. identifier is
-- an example of an expression).
+ -- Note: the above syntax is that Ada 2012 syntax which restricts
+ -- choice relations to simple expressions to avoid ambiguities in
+ -- some contexts with set membership notation. It has been decided
+ -- that in retrospect, the Ada 95 change allowing general expressions
+ -- in this context was a mistake, so we have reverted to the above
+ -- syntax in Ada 95 and Ada 2005 modes (the restriction to simple
+ -- expressions was there in Ada 83 from the start).
+
------------------
-- 4.4 Primary --
------------------
---------------------------
-- RELATION ::=
- -- SIMPLE_EXPRESSION [not] in RANGE
- -- | SIMPLE_EXPRESSION [not] in SUBTYPE_MARK
+ -- SIMPLE_EXPRESSION [not] in MEMBERSHIP_CHOICE_LIST
+
+ -- MEMBERSHIP_CHOICE_LIST ::=
+ -- MEMBERSHIP_CHOICE {'|' MEMBERSHIP CHOICE}
+
+ -- MEMBERSHIP_CHOICE ::=
+ -- CHOICE_EXPRESSION | RANGE | SUBTYPE_MARK
-- Note: although the grammar above allows only a range or a subtype
-- mark, the parser in fact will accept any simple expression in place
-- to deal with, and diagnose a simple expression other than a name for
-- the right operand. This simplifies error recovery in the parser.
- -- If extensions are enabled, the grammar is as follows:
+ -- The Alternatives field below is present only if there is more
+ -- than one Membership_Choice present (which is legitimate only in
+ -- Ada 2012 mode) in which case Right_Opnd is Empty, and Alternatives
+ -- contains the list of choices. In the tree passed to the back end,
+ -- Alternatives is always No_List, and Right_Opnd is set (i.e. the
+ -- expansion circuitry expands out the complex set membership case
+ -- using simple membership operations).
- -- RELATION ::=
- -- SIMPLE_EXPRESSION [not] in SET_ALTERNATIVE {| SET_ALTERNATIVE}
-
- -- SET_ALTERNATIVE ::= RANGE | SUBTYPE_MARK
-
- -- The Alternatives field below is present only if there is more than
- -- one Set_Alternative present, in which case Right_Opnd is set to
- -- Empty, and Alternatives contains the list of alternatives. In the
- -- tree passed to the back end, Alternatives is always No_List, and
- -- Right_Opnd is set (i.e. the expansion circuitry expands out the
- -- complex set membership case using simple membership operations).
+ -- Should we rename Alternatives here to Membership_Choices ???
-- N_In
-- Sloc points to IN
-- point operands if the Treat_Fixed_As_Integer flag is set and will
-- thus treat these nodes in identical manner, ignoring small values.
+ ---------------------------------
+ -- 4.5.9 Quantified Expression --
+ ---------------------------------
+
+ -- QUANTIFIED_EXPRESSION ::=
+ -- for QUANTIFIER LOOP_PARAMETER_SPECIFICATION => PREDICATE
+ -- | for QUANTIFIER ITERATOR_SPECIFICATION => PREDICATE
+ --
+ -- QUANTIFIER ::= all | some
+
+ -- At most one of (Iterator_Specification, Loop_Parameter_Specification)
+ -- is present at a time, in which case the other one is empty.
+
+ -- N_Quantified_Expression
+ -- Sloc points to FOR
+ -- Iterator_Specification (Node2)
+ -- Loop_Parameter_Specification (Node4)
+ -- Condition (Node1)
+ -- All_Present (Flag15)
+
--------------------------
-- 4.6 Type Conversion --
--------------------------
-- Identifier (Node1) direct name of statement identifier
-- Exception_Junk (Flag8-Sem)
+ -- Note: Before Ada 2012, a label is always followed by a statement,
+ -- and this is true in the tree even in Ada 2012 mode (the parser
+ -- inserts a null statement marked with Comes_From_Source False).
+
-------------------------------
-- 5.1 Statement Identifier --
-------------------------------
-- Backwards_OK (Flag6-Sem)
-- No_Ctrl_Actions (Flag7-Sem)
-- Componentwise_Assignment (Flag14-Sem)
+ -- Suppress_Assignment_Checks (Flag18-Sem)
-- Note: if a range check is required, then the Do_Range_Check flag
-- is set in the Expression (right hand side), with the check being
-- Alternatives (List4)
-- End_Span (Uint5) (set to No_Uint if expander generated)
+ -- Note: Before Ada 2012, a pragma in a statement sequence is always
+ -- followed by a statement, and this is true in the tree even in Ada
+ -- 2012 mode (the parser inserts a null statement marked with the flag
+ -- Comes_From_Source False).
+
-------------------------------------
-- 5.4 Case Statement Alternative --
-------------------------------------
-- Is_Null_Loop (Flag16)
-- Suppress_Loop_Warnings (Flag17)
+ -- Note: the parser fills in the Identifier field if there is an
+ -- explicit loop identifier. Otherwise the parser leaves this field
+ -- set to Empty, and then the semantic processing for a loop statement
+ -- creates an identifier, setting the Has_Created_Identifier flag to
+ -- True. So after semantic analysis, the Identifier is always set,
+ -- referencing an identifier whose entity has an Ekind of E_Loop.
+
--------------------------
-- 5.5 Iteration Scheme --
--------------------------
-- ITERATION_SCHEME ::=
- -- while CONDITION | for LOOP_PARAMETER_SPECIFICATION
+ -- while CONDITION
+ -- | for LOOP_PARAMETER_SPECIFICATION
+ -- | for ITERATOR_SPECIFICATION
+
+ -- At most one of (Iterator_Specification, Loop_Parameter_Specification)
+ -- is present at a time, in which case the other one is empty. Both are
+ -- empty in the case of a WHILE loop.
-- Gigi restriction: This expander ensures that the type of the
-- Condition field is always Standard.Boolean, even if the type
-- Sloc points to WHILE or FOR
-- Condition (Node1) (set to Empty if FOR case)
-- Condition_Actions (List3-Sem)
+ -- Iterator_Specification (Node2) (set to Empty if WHILE case)
-- Loop_Parameter_Specification (Node4) (set to Empty if WHILE case)
---------------------------------------
-- Reverse_Present (Flag15)
-- Discrete_Subtype_Definition (Node4)
+ ----------------------------------
+ -- 5.5.1 Iterator specification --
+ ----------------------------------
+
+ -- ITERATOR_SPECIFICATION ::=
+ -- DEFINING_IDENTIFIER in [reverse] NAME
+ -- | DEFINING_IDENTIFIER [: SUBTYPE_INDICATION] of [reverse] NAME
+
+ -- N_Iterator_Specification
+ -- Sloc points to defining identifier
+ -- Defining_Identifier (Node1)
+ -- Name (Node2)
+ -- Reverse_Present (Flag15)
+ -- Of_Present (Flag16)
+ -- Subtype_Indication (Node5)
+
+ -- Note: The Of_Present flag distinguishes the two forms
+
--------------------------
-- 5.6 Block Statement --
--------------------------
-- N_Exit_Statement
-- Sloc points to EXIT
-- Name (Node2) (set to Empty if no loop name present)
- -- Condition (Node1) (set to Empty if no when part present)
+ -- Condition (Node1) (set to Empty if no WHEN part present)
+ -- Next_Exit_Statement (Node3-Sem): Next exit on chain
-------------------------
-- 5.9 Goto Statement --
-- 6.1 Subprogram Declaration --
---------------------------------
- -- SUBPROGRAM_DECLARATION ::= SUBPROGRAM_SPECIFICATION;
+ -- SUBPROGRAM_DECLARATION ::=
+ -- SUBPROGRAM_SPECIFICATION
+ -- [ASPECT_SPECIFICATIONS];
-- N_Subprogram_Declaration
-- Sloc points to FUNCTION or PROCEDURE
------------------------------------------
-- ABSTRACT_SUBPROGRAM_DECLARATION ::=
- -- SUBPROGRAM_SPECIFICATION is abstract;
+ -- SUBPROGRAM_SPECIFICATION is abstract
+ -- [ASPECT_SPECIFICATIONS];
-- N_Abstract_Subprogram_Declaration
-- Sloc points to ABSTRACT
-- Acts_As_Spec (Flag4-Sem)
-- Bad_Is_Detected (Flag15) used only by parser
-- Do_Storage_Check (Flag17-Sem)
- -- Has_Priority_Pragma (Flag6-Sem)
+ -- Has_Pragma_Priority (Flag6-Sem)
-- Is_Protected_Subprogram_Body (Flag7-Sem)
-- Is_Entry_Barrier_Function (Flag8-Sem)
-- Is_Task_Master (Flag5-Sem)
-- Was_Originally_Stub (Flag13-Sem)
-- Has_Relative_Deadline_Pragma (Flag9-Sem)
+ -- Has_Pragma_CPU (Flag14-Sem)
+
+ -------------------------
+ -- Expression Function --
+ -------------------------
+
+ -- This is an Ada 2012 extension, we put it here for now, to be labeled
+ -- and put in its proper section when we know exactly where that is!
+
+ -- EXPRESSION_FUNCTION ::=
+ -- FUNCTION SPECIFICATION IS (EXPRESSION);
+
+ -- N_Expression_Function
+ -- Sloc points to FUNCTION
+ -- Specification (Node1)
+ -- Expression (Node3)
-----------------------------------
-- 6.4 Procedure Call Statement --
-- By_Ref (Flag5-Sem)
-- Note: Return_Statement_Entity points to an E_Return_Statement.
+
-- Note that Return_Object_Declarations is a list containing the
-- N_Object_Declaration -- see comment on this field above.
+
-- The declared object will have Is_Return_Object = True.
+
-- There is no such syntactic category as return_object_declaration
-- in the RM. Return_Object_Declarations represents this portion of
-- the syntax for EXTENDED_RETURN_STATEMENT:
-- 7.1 Package Declaration --
------------------------------
- -- PACKAGE_DECLARATION ::= PACKAGE_SPECIFICATION;
+ -- PACKAGE_DECLARATION ::=
+ -- PACKAGE_SPECIFICATION;
-- Note: the activation chain entity for a package spec is used for
-- all tasks declared in the package spec, or in the package body.
--------------------------------
-- PACKAGE_SPECIFICATION ::=
- -- package DEFINING_PROGRAM_UNIT_NAME is
+ -- package DEFINING_PROGRAM_UNIT_NAME
+ -- [ASPECT_SPECIFICATIONS]
+ -- is
-- {BASIC_DECLARATIVE_ITEM}
-- [private
-- {BASIC_DECLARATIVE_ITEM}]
-----------------------
-- PACKAGE_BODY ::=
- -- package body DEFINING_PROGRAM_UNIT_NAME is
+ -- package body DEFINING_PROGRAM_UNIT_NAME
+ -- [ASPECT_SPECIFICATIONS]
+ -- is
-- DECLARATIVE_PART
-- [begin
-- HANDLED_SEQUENCE_OF_STATEMENTS]
-- 8.4 Use Type Clause --
--------------------------
- -- USE_TYPE_CLAUSE ::= use type SUBTYPE_MARK {, SUBTYPE_MARK};
+ -- USE_TYPE_CLAUSE ::= use [ALL] type SUBTYPE_MARK {, SUBTYPE_MARK};
-- Note: use type clause is not permitted in Ada 83 mode
+ -- Note: the ALL keyword can appear only in Ada 2012 mode
+
-- N_Use_Type_Clause
-- Sloc points to USE
-- Subtype_Marks (List2)
-- Next_Use_Clause (Node3-Sem)
-- Hidden_By_Use_Clause (Elist4-Sem)
+ -- Used_Operations (Elist5-Sem)
+ -- All_Present (Flag15)
-------------------------------
-- 8.5 Renaming Declaration --
-- TASK_TYPE_DECLARATION ::=
-- task type DEFINING_IDENTIFIER [KNOWN_DISCRIMINANT_PART]
- -- [is [new INTERFACE_LIST with] TASK_DEFINITION];
+ -- [ASPECT_SPECIFICATIONS]
+ -- [is [new INTERFACE_LIST with] TASK_DEFINITION];
-- N_Task_Type_Declaration
-- Sloc points to TASK
-- SINGLE_TASK_DECLARATION ::=
-- task DEFINING_IDENTIFIER
- -- [is [new INTERFACE_LIST with] TASK_DEFINITION];
+ -- [ASPECT_SPECIFICATIONS]
+ -- [is [new INTERFACE_LIST with] TASK_DEFINITION];
-- N_Single_Task_Declaration
-- Sloc points to TASK
-- Visible_Declarations (List2)
-- Private_Declarations (List3) (set to No_List if no private part)
-- End_Label (Node4)
- -- Has_Priority_Pragma (Flag6-Sem)
+ -- Has_Pragma_Priority (Flag6-Sem)
-- Has_Storage_Size_Pragma (Flag5-Sem)
-- Has_Task_Info_Pragma (Flag7-Sem)
-- Has_Task_Name_Pragma (Flag8-Sem)
-- Has_Relative_Deadline_Pragma (Flag9-Sem)
+ -- Has_Pragma_CPU (Flag14-Sem)
--------------------
-- 9.1 Task Item --
--------------------
-- TASK_BODY ::=
- -- task body task_DEFINING_IDENTIFIER is
+ -- task body task_DEFINING_IDENTIFIER
+ -- [ASPECT_SPECIFICATIONS]
+ -- is
-- DECLARATIVE_PART
-- begin
-- HANDLED_SEQUENCE_OF_STATEMENTS
-- PROTECTED_TYPE_DECLARATION ::=
-- protected type DEFINING_IDENTIFIER [KNOWN_DISCRIMINANT_PART]
- -- is [new INTERFACE_LIST with] PROTECTED_DEFINITION;
+ -- [ASPECT_SPECIFICATIONS]
+ -- is [new INTERFACE_LIST with] PROTECTED_DEFINITION;
-- Note: protected type declarations are not permitted in Ada 83 mode
-- SINGLE_PROTECTED_DECLARATION ::=
-- protected DEFINING_IDENTIFIER
- -- is [new INTERFACE_LIST with] PROTECTED_DEFINITION;
+ -- [ASPECT_SPECIFICATIONS]
+ -- is [new INTERFACE_LIST with] PROTECTED_DEFINITION;
-- Note: single protected declarations are not allowed in Ada 83 mode
-- Visible_Declarations (List2)
-- Private_Declarations (List3) (set to No_List if no private part)
-- End_Label (Node4)
- -- Has_Priority_Pragma (Flag6-Sem)
+ -- Has_Pragma_Priority (Flag6-Sem)
------------------------------------------
-- 9.4 Protected Operation Declaration --
-------------------------
-- PROTECTED_BODY ::=
- -- protected body DEFINING_IDENTIFIER is
+ -- protected body DEFINING_IDENTIFIER
+ -- [ASPECT_SPECIFICATIONS];
+ -- is
-- {PROTECTED_OPERATION_ITEM}
-- end [protected_IDENTIFIER];
-- the library item.
-- To deal with all these problems, we create an auxiliary node for
- -- a compilation unit, referenced from the N_Compilation_Unit node
- -- that contains these three items.
+ -- a compilation unit, referenced from the N_Compilation_Unit node,
+ -- that contains these items.
-- N_Compilation_Unit
-- Sloc points to first token of defining unit name
-- Acts_As_Spec (Flag4-Sem) flag for subprogram body with no spec
-- Context_Pending (Flag16-Sem)
-- First_Inlined_Subprogram (Node3-Sem)
+ -- Has_Pragma_Suppress_All (Flag14-Sem)
-- N_Compilation_Unit_Aux
-- Sloc is a copy of the Sloc from the N_Compilation_Unit node
-- Actions (List1) (set to No_List if no actions)
-- Pragmas_After (List5) pragmas after unit (set to No_List if none)
-- Config_Pragmas (List4) config pragmas (set to Empty_List if none)
+ -- Default_Storage_Pool (Node3-Sem)
--------------------------
-- 10.1.1 Library Item --
-- N_With_Clause
-- Sloc points to first token of library unit name
+ -- Withed_Body (Node1-Sem)
-- Name (Node2)
-- Next_Implicit_With (Node3-Sem)
-- Library_Unit (Node4-Sem)
-- Elaborate_Desirable (Flag11-Sem)
-- Private_Present (Flag15) set if with_clause has private keyword
-- Implicit_With (Flag16-Sem)
- -- Limited_Present (Flag17) set if LIMITED is present
+ -- Limited_Present (Flag17) set if LIMITED is present
-- Limited_View_Installed (Flag18-Sem)
-- Unreferenced_In_Spec (Flag7-Sem)
-- No_Entities_Ref_In_Spec (Flag8-Sem)
-- 11.1 Exception Declaration --
---------------------------------
- -- EXCEPTION_DECLARATION ::= DEFINING_IDENTIFIER_LIST : exception;
+ -- EXCEPTION_DECLARATION ::= DEFINING_IDENTIFIER_LIST : exception
+ -- [ASPECT_SPECIFICATIONS];
-- For consistency with object declarations etc., the parser converts
-- the case of multiple identifiers being declared to a series of
---------------------------------------
-- GENERIC_PACKAGE_DECLARATION ::=
- -- GENERIC_FORMAL_PART PACKAGE_SPECIFICATION;
+ -- GENERIC_FORMAL_PART PACKAGE_SPECIFICATION
+ -- [ASPECT_SPECIFICATIONS];
-- Note: when we do generics right, the Activation_Chain_Entity entry
-- for this node can be removed (since the expander won't see generic
-- GENERIC_INSTANTIATION ::=
-- package DEFINING_PROGRAM_UNIT_NAME is
- -- new generic_package_NAME [GENERIC_ACTUAL_PART];
+ -- new generic_package_NAME [GENERIC_ACTUAL_PART]
+ -- [ASPECT_SPECIFICATIONS];
-- | [[not] overriding]
-- procedure DEFINING_PROGRAM_UNIT_NAME is
- -- new generic_procedure_NAME [GENERIC_ACTUAL_PART];
+ -- new generic_procedure_NAME [GENERIC_ACTUAL_PART]
+ -- [ASPECT_SPECIFICATIONS];
-- | [[not] overriding]
-- function DEFINING_DESIGNATOR is
- -- new generic_function_NAME [GENERIC_ACTUAL_PART];
+ -- new generic_function_NAME [GENERIC_ACTUAL_PART]
+ -- [ASPECT_SPECIFICATIONS];
-- N_Package_Instantiation
-- Sloc points to PACKAGE
-- FORMAL_OBJECT_DECLARATION ::=
-- DEFINING_IDENTIFIER_LIST :
- -- MODE [NULL_EXCLUSION] SUBTYPE_MARK [:= DEFAULT_EXPRESSION];
+ -- MODE [NULL_EXCLUSION] SUBTYPE_MARK [:= DEFAULT_EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- | DEFINING_IDENTIFIER_LIST :
- -- MODE ACCESS_DEFINITION [:= DEFAULT_EXPRESSION];
+ -- MODE ACCESS_DEFINITION [:= DEFAULT_EXPRESSION]
+ -- [ASPECT_SPECIFICATIONS];
-- Although the syntax allows multiple identifiers in the list, the
-- semantics is as though successive declarations were given with
-- FORMAL_TYPE_DECLARATION ::=
-- type DEFINING_IDENTIFIER [DISCRIMINANT_PART]
- -- is FORMAL_TYPE_DEFINITION;
+ -- is FORMAL_TYPE_DEFINITION
+ -- [ASPECT_SPECIFICATIONS];
-- N_Formal_Type_Declaration
-- Sloc points to TYPE
--------------------------------------------------
-- FORMAL_CONCRETE_SUBPROGRAM_DECLARATION ::=
- -- with SUBPROGRAM_SPECIFICATION [is SUBPROGRAM_DEFAULT];
+ -- with SUBPROGRAM_SPECIFICATION [is SUBPROGRAM_DEFAULT]
+ -- [ASPECT_SPECIFICATIONS];
-- N_Formal_Concrete_Subprogram_Declaration
-- Sloc points to WITH
--------------------------------------------------
-- FORMAL_ABSTRACT_SUBPROGRAM_DECLARATION ::=
- -- with SUBPROGRAM_SPECIFICATION is abstract [SUBPROGRAM_DEFAULT];
+ -- with SUBPROGRAM_SPECIFICATION is abstract [SUBPROGRAM_DEFAULT]
+ -- [ASPECT_SPECIFICATIONS];
-- N_Formal_Abstract_Subprogram_Declaration
-- Sloc points to WITH
-- FORMAL_PACKAGE_DECLARATION ::=
-- with package DEFINING_IDENTIFIER
- -- is new generic_package_NAME FORMAL_PACKAGE_ACTUAL_PART;
+ -- is new generic_package_NAME FORMAL_PACKAGE_ACTUAL_PART
+ -- [ASPECT_SPECIFICATIONS];
-- Note: formal package declarations not allowed in Ada 83 mode
-- Next_Rep_Item (Node5-Sem)
-- From_At_Mod (Flag4-Sem)
-- Check_Address_Alignment (Flag11-Sem)
+ -- From_Aspect_Specification (Flag13-Sem)
+ -- Is_Delayed_Aspect (Flag14-Sem)
-- Address_Warning_Posted (Flag18-Sem)
+ -- Note: if From_Aspect_Specification is set, then Sloc points to the
+ -- aspect name, and Entity is resolved already to reference the entity
+ -- to which the aspect applies.
+
+ -----------------------------------
+ -- 13.3.1 Aspect Specifications --
+ -----------------------------------
+
+ -- We modify the RM grammar here, the RM grammar is:
+
+ -- ASPECT_SPECIFICATION ::=
+ -- with ASPECT_MARK [=> ASPECT_DEFINITION] {.
+ -- ASPECT_MARK [=> ASPECT_DEFINITION] }
+
+ -- ASPECT_MARK ::= aspect_IDENTIFIER['Class]
+
+ -- ASPECT_DEFINITION ::= NAME | EXPRESSION
+
+ -- That's inconvenient, since there is no non-terminal name for a single
+ -- entry in the list of aspects. So we use this grammar instead:
+
+ -- ASPECT_SPECIFICATIONS ::=
+ -- with ASPECT_SPECIFICATION {, ASPECT_SPECIFICATION}
+
+ -- ASPECT_SPECIFICATION =>
+ -- ASPECT_MARK [=> ASPECT_DEFINITION]
+
+ -- ASPECT_MARK ::= aspect_IDENTIFIER['Class]
+
+ -- ASPECT_DEFINITION ::= NAME | EXPRESSION
+
+ -- See separate package Aspects for details on the incorporation of
+ -- these nodes into the tree, and how aspect specifications for a given
+ -- declaration node are associated with that node.
+
+ -- N_Aspect_Specification
+ -- Sloc points to aspect identifier
+ -- Identifier (Node1) aspect identifier
+ -- Aspect_Rep_Item (Node2-Sem)
+ -- Expression (Node3) Aspect_Definition (set to Empty if none)
+ -- Entity (Node4-Sem) entity to which the aspect applies
+ -- Class_Present (Flag6) Set if 'Class present
+ -- Next_Rep_Item (Node5-Sem)
+ -- Split_PPC (Flag17) Set if split pre/post attribute
+ -- Is_Boolean_Aspect (Flag16-Sem)
+ -- Is_Delayed_Aspect (Flag14-Sem)
+
+ -- Note: Aspect_Specification is an Ada 2012 feature
+
+ -- Note: The Identifier serves to identify the aspect involved (it
+ -- is the aspect whose name corresponds to the Chars field). This
+ -- means that the other fields of this identifier are unused, and
+ -- in particular we use the Entity field of this identifier to save
+ -- a copy of the expression for visibility analysis, see spec of
+ -- Sem_Ch13 for full details of this usage.
+
+ -- Note: When a Pre or Post aspect specification is processed, it is
+ -- broken into AND THEN sections. The left most section has Split_PPC
+ -- set to False, indicating that it is the original specification (e.g.
+ -- for posting errors). For the other sections, Split_PPC is set True.
+
---------------------------------------------
-- 13.4 Enumeration representation clause --
---------------------------------------------
-- reconstructed tree printed by Sprint, and the node descriptions here
-- show this syntax.
- -- Note: Conditional_Expression is in this section for historical reasons.
- -- We will move it to its appropriate place when it is officially approved
- -- as an extension (and then we will know what the exact grammar and place
- -- in the Reference Manual is!)
+ -- Note: Case_Expression and Conditional_Expression is in this section for
+ -- now, since they are extensions. We will move them to their appropriate
+ -- places when they are officially approved as extensions (and then we will
+ -- know what the exact grammar and place in the Reference Manual is!)
+
+ ---------------------
+ -- Case Expression --
+ ---------------------
+
+ -- CASE_EXPRESSION ::=
+ -- case EXPRESSION is
+ -- CASE_EXPRESSION_ALTERNATIVE
+ -- {CASE_EXPRESSION_ALTERNATIVE}
+
+ -- Note that the Alternatives cannot include pragmas (this contrasts
+ -- with the situation of case statements where pragmas are allowed).
+
+ -- N_Case_Expression
+ -- Sloc points to CASE
+ -- Expression (Node3)
+ -- Alternatives (List4)
+
+ ---------------------------------
+ -- Case Expression Alternative --
+ ---------------------------------
+
+ -- CASE_STATEMENT_ALTERNATIVE ::=
+ -- when DISCRETE_CHOICE_LIST =>
+ -- EXPRESSION
+
+ -- N_Case_Expression_Alternative
+ -- Sloc points to WHEN
+ -- Actions (List1)
+ -- Discrete_Choices (List4)
+ -- Expression (Node3)
+
+ -- Note: The Actions field temporarily holds any actions associated with
+ -- evaluation of the Expression. During expansion of the case expression
+ -- these actions are wrapped into an N_Expressions_With_Actions node
+ -- replacing the original expression.
----------------------------
-- Conditional Expression --
-- And we add the additional constructs
- -- PRIMARY ::= ( CONDITIONAL_EXPRESION )
+ -- PRIMARY ::= ( CONDITIONAL_EXPRESSION )
-- PRAGMA_ARGUMENT_ASSOCIATION ::= CONDITIONAL_EXPRESSION
-- Note: if we have (IF x1 THEN x2 ELSIF x3 THEN x4 ELSE x5) then it
-- Has_Private_View (Flag11-Sem) set in generic units.
-- plus fields for expression
+ -----------------------------
+ -- Expression with Actions --
+ -----------------------------
+
+ -- This node is created by the analyzer/expander to handle some
+ -- expansion cases, notably short circuit forms where there are
+ -- actions associated with the right-hand side operand.
+
+ -- The N_Expression_With_Actions node represents an expression with
+ -- an associated set of actions (which are executable statements and
+ -- declarations, as might occur in a handled statement sequence).
+
+ -- The required semantics is that the set of actions is executed in
+ -- the order in which it appears just before the expression is
+ -- evaluated (and these actions must only be executed if the value
+ -- of the expression is evaluated). The node is considered to be
+ -- a subexpression, whose value is the value of the Expression after
+ -- executing all the actions.
+
+ -- Note: if the actions contain declarations, then these declarations
+ -- may be referenced within the expression. It is thus appropriate for
+ -- the back-end to create a scope that encompasses the construct (any
+ -- declarations within the actions will definitely not be referenced
+ -- once elaboration of the construct is completed).
+
+ -- Sprint syntax: do
+ -- action;
+ -- action;
+ -- ...
+ -- action;
+ -- in expression end
+
+ -- N_Expression_With_Actions
+ -- Actions (List1)
+ -- Expression (Node3)
+ -- plus fields for expression
+
+ -- Note: the actions list is always non-null, since we would
+ -- never have created this node if there weren't some actions.
+
--------------------
-- Free Statement --
--------------------
-- Meanwhile these nodes should be considered in experimental form, and
-- should be ignored by all code generating back ends. ???
- -- N_SCIL_Dispatch_Table_Object_Init
- -- Sloc references a declaration node containing a dispatch table
- -- SCIL_Related_Node (Node1-Sem)
- -- SCIL_Entity (Node4-Sem)
-
-- N_SCIL_Dispatch_Table_Tag_Init
-- Sloc references a node for a tag initialization
- -- SCIL_Related_Node (Node1-Sem)
-- SCIL_Entity (Node4-Sem)
-- N_SCIL_Dispatching_Call
-- Sloc references the node of a dispatching call
- -- SCIL_Related_Node (Node1-Sem)
-- SCIL_Target_Prim (Node2-Sem)
-- SCIL_Entity (Node4-Sem)
-- SCIL_Controlling_Tag (Node5-Sem)
-- N_SCIL_Membership_Test
-- Sloc references the node of a membership test
- -- SCIL_Related_Node (Node1-Sem)
-- SCIL_Tag_Value (Node5-Sem)
-- SCIL_Entity (Node4-Sem)
- -- N_SCIL_Tag_Init
- -- Sloc references the node of a tag component initialization
- -- SCIL_Related_Node (Node1-Sem)
- -- SCIL_Entity (Node4-Sem)
-
---------------------
-- Subprogram_Info --
---------------------
--------------------------
-- The following is the definition of the Node_Kind type. As previously
- -- discussed, this is separated off to allow rearrangement of the order
- -- to facilitate definition of subtype ranges. The comments show the
- -- subtype classes which apply to each set of node kinds. The first
- -- entry in the comment characterizes the following list of nodes.
+ -- discussed, this is separated off to allow rearrangement of the order to
+ -- facilitate definition of subtype ranges. The comments show the subtype
+ -- classes which apply to each set of node kinds. The first entry in the
+ -- comment characterizes the following list of nodes.
type Node_Kind is (
N_Unused_At_Start,
N_Empty,
N_Pragma_Argument_Association,
- -- N_Has_Etype
+ -- N_Has_Etype, N_Has_Chars
+
+ -- Note: of course N_Error does not really have Etype or Chars fields,
+ -- and any attempt to access these fields in N_Error will cause an
+ -- error, but historically this always has been positioned so that an
+ -- "in N_Has_Chars" or "in N_Has_Etype" test yields true for N_Error.
+ -- Most likely this makes coding easier somewhere but still seems
+ -- undesirable. To be investigated some time ???
N_Error,
N_Conditional_Expression,
N_Explicit_Dereference,
+ N_Expression_With_Actions,
N_Function_Call,
N_Indexed_Component,
N_Integer_Literal,
N_Null,
N_Procedure_Call_Statement,
N_Qualified_Expression,
+ N_Quantified_Expression,
-- N_Raise_xxx_Error, N_Subexpr, N_Has_Etype
N_Aggregate,
N_Allocator,
+ N_Case_Expression,
N_Extension_Aggregate,
N_Range,
N_Real_Literal,
N_Component_Declaration,
N_Entry_Declaration,
+ N_Expression_Function,
N_Formal_Object_Declaration,
N_Formal_Type_Declaration,
N_Full_Type_Declaration,
N_Incomplete_Type_Declaration,
+ N_Iterator_Specification,
N_Loop_Parameter_Specification,
N_Object_Declaration,
N_Protected_Type_Declaration,
N_Code_Statement,
N_Conditional_Entry_Call,
- -- N_Statement_Other_Than_Procedure_Call. N_Delay_Statement
+ -- N_Statement_Other_Than_Procedure_Call, N_Delay_Statement
N_Delay_Relative_Statement,
N_Delay_Until_Statement,
-- SCIL nodes
- N_SCIL_Dispatch_Table_Object_Init,
N_SCIL_Dispatch_Table_Tag_Init,
N_SCIL_Dispatching_Call,
N_SCIL_Membership_Test,
- N_SCIL_Tag_Init,
-- Other nodes (not part of any subtype class)
N_Abstract_Subprogram_Declaration,
N_Access_Definition,
N_Access_To_Object_Definition,
+ N_Aspect_Specification,
+ N_Case_Expression_Alternative,
N_Case_Statement_Alternative,
N_Compilation_Unit,
N_Compilation_Unit_Aux,
N_Expanded_Name ..
N_Attribute_Reference;
-- Nodes that have Entity fields
- -- Warning: DOES NOT INCLUDE N_Freeze_Entity!
+ -- Warning: DOES NOT INCLUDE N_Freeze_Entity, N_Aspect_Specification,
+ -- or N_Attribute_Definition_Clause.
subtype N_Has_Etype is Node_Kind range
N_Error ..
N_Or_Else;
subtype N_SCIL_Node is Node_Kind range
- N_SCIL_Dispatch_Table_Object_Init ..
- N_SCIL_Tag_Init;
+ N_SCIL_Dispatch_Table_Tag_Init ..
+ N_SCIL_Membership_Test;
subtype N_Statement_Other_Than_Procedure_Call is Node_Kind range
N_Abort_Statement ..
function Array_Aggregate
(N : Node_Id) return Node_Id; -- Node3
+ function Aspect_Rep_Item
+ (N : Node_Id) return Node_Id; -- Node2
+
function Assignment_OK
(N : Node_Id) return Boolean; -- Flag15
function Choices
(N : Node_Id) return List_Id; -- List1
+ function Class_Present
+ (N : Node_Id) return Boolean; -- Flag6
+
function Coextensions
(N : Node_Id) return Elist_Id; -- Elist4
function Default_Expression
(N : Node_Id) return Node_Id; -- Node5
+ function Default_Storage_Pool
+ (N : Node_Id) return Node_Id; -- Node3
+
function Default_Name
(N : Node_Id) return Node_Id; -- Node2
function Forwards_OK
(N : Node_Id) return Boolean; -- Flag5
+ function From_Aspect_Specification
+ (N : Node_Id) return Boolean; -- Flag13
+
function From_At_End
(N : Node_Id) return Boolean; -- Flag4
function From_Default
(N : Node_Id) return Boolean; -- Flag6
+ function From_Dynamic_Predicate
+ (N : Node_Id) return Boolean; -- Flag7
+
+ function From_Static_Predicate
+ (N : Node_Id) return Boolean; -- Flag8
+
function Generic_Associations
(N : Node_Id) return List_Id; -- List3
function Has_No_Elaboration_Code
(N : Node_Id) return Boolean; -- Flag17
- function Has_Priority_Pragma
+ function Has_Pragma_CPU
+ (N : Node_Id) return Boolean; -- Flag14
+
+ function Has_Pragma_Priority
(N : Node_Id) return Boolean; -- Flag6
+ function Has_Pragma_Suppress_All
+ (N : Node_Id) return Boolean; -- Flag14
+
function Has_Private_View
(N : Node_Id) return Boolean; -- Flag11
function Has_Wide_Character
(N : Node_Id) return Boolean; -- Flag11
+ function Has_Wide_Wide_Character
+ (N : Node_Id) return Boolean; -- Flag13
+
function Hidden_By_Use_Clause
(N : Node_Id) return Elist_Id; -- Elist4
function Implicit_With
(N : Node_Id) return Boolean; -- Flag16
+ function Import_Interface_Present
+ (N : Node_Id) return Boolean; -- Flag16
+
function In_Present
(N : Node_Id) return Boolean; -- Flag15
function Includes_Infinities
(N : Node_Id) return Boolean; -- Flag11
+ function Inherited_Discriminant
+ (N : Node_Id) return Boolean; -- Flag13
+
function Instance_Spec
(N : Node_Id) return Node_Id; -- Node5
function Is_Asynchronous_Call_Block
(N : Node_Id) return Boolean; -- Flag7
+ function Is_Boolean_Aspect
+ (N : Node_Id) return Boolean; -- Flag16
+
function Is_Component_Left_Opnd
(N : Node_Id) return Boolean; -- Flag13
function Is_Controlling_Actual
(N : Node_Id) return Boolean; -- Flag16
+ function Is_Delayed_Aspect
+ (N : Node_Id) return Boolean; -- Flag14
+
function Is_Dynamic_Coextension
(N : Node_Id) return Boolean; -- Flag18
function Iteration_Scheme
(N : Node_Id) return Node_Id; -- Node2
+ function Iterator_Specification
+ (N : Node_Id) return Node_Id; -- Node2
+
function Itype
(N : Node_Id) return Entity_Id; -- Node1
function Next_Entity
(N : Node_Id) return Node_Id; -- Node2
+ function Next_Exit_Statement
+ (N : Node_Id) return Node_Id; -- Node3
+
function Next_Implicit_With
(N : Node_Id) return Node_Id; -- Node3
function Object_Definition
(N : Node_Id) return Node_Id; -- Node4
+ function Of_Present
+ (N : Node_Id) return Boolean; -- Flag16
+
function Original_Discriminant
(N : Node_Id) return Node_Id; -- Node2
function Parent_Spec
(N : Node_Id) return Node_Id; -- Node4
- function PPC_Enabled
- (N : Node_Id) return Boolean; -- Flag5
-
function Position
(N : Node_Id) return Node_Id; -- Node2
function Pragma_Argument_Associations
(N : Node_Id) return List_Id; -- List2
+ function Pragma_Enabled
+ (N : Node_Id) return Boolean; -- Flag5
+
function Pragma_Identifier
(N : Node_Id) return Node_Id; -- Node4
function SCIL_Entity
(N : Node_Id) return Node_Id; -- Node4
- function SCIL_Related_Node
- (N : Node_Id) return Node_Id; -- Node1
-
function SCIL_Tag_Value
(N : Node_Id) return Node_Id; -- Node5
function Specification
(N : Node_Id) return Node_Id; -- Node1
+ function Split_PPC
+ (N : Node_Id) return Boolean; -- Flag17
+
function Statements
(N : Node_Id) return List_Id; -- List3
function Subtype_Marks
(N : Node_Id) return List_Id; -- List2
+ function Suppress_Assignment_Checks
+ (N : Node_Id) return Boolean; -- Flag18
+
function Suppress_Loop_Warnings
(N : Node_Id) return Boolean; -- Flag17
function Visible_Declarations
(N : Node_Id) return List_Id; -- List2
+ function Used_Operations
+ (N : Node_Id) return Elist_Id; -- Elist5
+
function Was_Originally_Stub
(N : Node_Id) return Boolean; -- Flag13
+ function Withed_Body
+ (N : Node_Id) return Node_Id; -- Node1
+
function Zero_Cost_Handling
(N : Node_Id) return Boolean; -- Flag5
procedure Set_Array_Aggregate
(N : Node_Id; Val : Node_Id); -- Node3
+ procedure Set_Aspect_Rep_Item
+ (N : Node_Id; Val : Node_Id); -- Node2
+
procedure Set_Assignment_OK
(N : Node_Id; Val : Boolean := True); -- Flag15
procedure Set_Choice_Parameter
(N : Node_Id; Val : Node_Id); -- Node2
- procedure Set_Coextensions
- (N : Node_Id; Val : Elist_Id); -- Elist4
-
procedure Set_Choices
(N : Node_Id; Val : List_Id); -- List1
+ procedure Set_Class_Present
+ (N : Node_Id; Val : Boolean := True); -- Flag6
+
+ procedure Set_Coextensions
+ (N : Node_Id; Val : Elist_Id); -- Elist4
+
procedure Set_Comes_From_Extended_Return_Statement
(N : Node_Id; Val : Boolean := True); -- Flag18
procedure Set_Default_Expression
(N : Node_Id; Val : Node_Id); -- Node5
+ procedure Set_Default_Storage_Pool
+ (N : Node_Id; Val : Node_Id); -- Node3
+
procedure Set_Default_Name
(N : Node_Id; Val : Node_Id); -- Node2
procedure Set_From_At_Mod
(N : Node_Id; Val : Boolean := True); -- Flag4
+ procedure Set_From_Aspect_Specification
+ (N : Node_Id; Val : Boolean := True); -- Flag13
+
procedure Set_From_At_End
(N : Node_Id; Val : Boolean := True); -- Flag4
procedure Set_From_Default
(N : Node_Id; Val : Boolean := True); -- Flag6
+ procedure Set_From_Dynamic_Predicate
+ (N : Node_Id; Val : Boolean := True); -- Flag7
+
+ procedure Set_From_Static_Predicate
+ (N : Node_Id; Val : Boolean := True); -- Flag8
+
procedure Set_Generic_Associations
(N : Node_Id; Val : List_Id); -- List3
procedure Set_Has_No_Elaboration_Code
(N : Node_Id; Val : Boolean := True); -- Flag17
- procedure Set_Has_Priority_Pragma
+ procedure Set_Has_Pragma_CPU
+ (N : Node_Id; Val : Boolean := True); -- Flag14
+
+ procedure Set_Has_Pragma_Priority
(N : Node_Id; Val : Boolean := True); -- Flag6
+ procedure Set_Has_Pragma_Suppress_All
+ (N : Node_Id; Val : Boolean := True); -- Flag14
+
procedure Set_Has_Private_View
(N : Node_Id; Val : Boolean := True); -- Flag11
procedure Set_Has_Wide_Character
(N : Node_Id; Val : Boolean := True); -- Flag11
+ procedure Set_Has_Wide_Wide_Character
+ (N : Node_Id; Val : Boolean := True); -- Flag13
+
procedure Set_Hidden_By_Use_Clause
(N : Node_Id; Val : Elist_Id); -- Elist4
procedure Set_Implicit_With
(N : Node_Id; Val : Boolean := True); -- Flag16
+ procedure Set_Import_Interface_Present
+ (N : Node_Id; Val : Boolean := True); -- Flag16
+
procedure Set_In_Present
(N : Node_Id; Val : Boolean := True); -- Flag15
procedure Set_Includes_Infinities
(N : Node_Id; Val : Boolean := True); -- Flag11
+ procedure Set_Inherited_Discriminant
+ (N : Node_Id; Val : Boolean := True); -- Flag13
+
procedure Set_Instance_Spec
(N : Node_Id; Val : Node_Id); -- Node5
procedure Set_Is_Asynchronous_Call_Block
(N : Node_Id; Val : Boolean := True); -- Flag7
+ procedure Set_Is_Boolean_Aspect
+ (N : Node_Id; Val : Boolean := True); -- Flag16
+
procedure Set_Is_Component_Left_Opnd
(N : Node_Id; Val : Boolean := True); -- Flag13
procedure Set_Is_Controlling_Actual
(N : Node_Id; Val : Boolean := True); -- Flag16
+ procedure Set_Is_Delayed_Aspect
+ (N : Node_Id; Val : Boolean := True); -- Flag14
+
procedure Set_Is_Dynamic_Coextension
(N : Node_Id; Val : Boolean := True); -- Flag18
procedure Set_Iteration_Scheme
(N : Node_Id; Val : Node_Id); -- Node2
+ procedure Set_Iterator_Specification
+ (N : Node_Id; Val : Node_Id); -- Node2
+
procedure Set_Itype
(N : Node_Id; Val : Entity_Id); -- Node1
procedure Set_Next_Entity
(N : Node_Id; Val : Node_Id); -- Node2
+ procedure Set_Next_Exit_Statement
+ (N : Node_Id; Val : Node_Id); -- Node3
+
procedure Set_Next_Implicit_With
(N : Node_Id; Val : Node_Id); -- Node3
procedure Set_Object_Definition
(N : Node_Id; Val : Node_Id); -- Node4
+ procedure Set_Of_Present
+ (N : Node_Id; Val : Boolean := True); -- Flag16
+
procedure Set_Original_Discriminant
(N : Node_Id; Val : Node_Id); -- Node2
procedure Set_Parent_Spec
(N : Node_Id; Val : Node_Id); -- Node4
- procedure Set_PPC_Enabled
- (N : Node_Id; Val : Boolean := True); -- Flag5
-
procedure Set_Position
(N : Node_Id; Val : Node_Id); -- Node2
procedure Set_Pragma_Argument_Associations
(N : Node_Id; Val : List_Id); -- List2
+ procedure Set_Pragma_Enabled
+ (N : Node_Id; Val : Boolean := True); -- Flag5
+
procedure Set_Pragma_Identifier
(N : Node_Id; Val : Node_Id); -- Node4
procedure Set_SCIL_Entity
(N : Node_Id; Val : Node_Id); -- Node4
- procedure Set_SCIL_Related_Node
- (N : Node_Id; Val : Node_Id); -- Node1
-
procedure Set_SCIL_Tag_Value
(N : Node_Id; Val : Node_Id); -- Node5
procedure Set_Specification
(N : Node_Id; Val : Node_Id); -- Node1
+ procedure Set_Split_PPC
+ (N : Node_Id; Val : Boolean); -- Flag17
+
procedure Set_Statements
(N : Node_Id; Val : List_Id); -- List3
procedure Set_Subtype_Marks
(N : Node_Id; Val : List_Id); -- List2
+ procedure Set_Suppress_Assignment_Checks
+ (N : Node_Id; Val : Boolean := True); -- Flag18
+
procedure Set_Suppress_Loop_Warnings
(N : Node_Id; Val : Boolean := True); -- Flag17
procedure Set_Visible_Declarations
(N : Node_Id; Val : List_Id); -- List2
+ procedure Set_Used_Operations
+ (N : Node_Id; Val : Elist_Id); -- Elist5
+
procedure Set_Was_Originally_Stub
(N : Node_Id; Val : Boolean := True); -- Flag13
+ procedure Set_Withed_Body
+ (N : Node_Id; Val : Node_Id); -- Node1
+
procedure Set_Zero_Cost_Handling
(N : Node_Id; Val : Boolean := True); -- Flag5
procedure Next_Rep_Item (N : in out Node_Id);
procedure Next_Use_Clause (N : in out Node_Id);
- --------------------------------------
- -- Logical Access to End_Span Field --
- --------------------------------------
+ -------------------------------------------
+ -- Miscellaneous Tree Access Subprograms --
+ -------------------------------------------
function End_Location (N : Node_Id) return Source_Ptr;
- -- N is an N_If_Statement or N_Case_Statement node, and this
- -- function returns the location of the IF token in the END IF
- -- sequence by translating the value of the End_Span field.
+ -- N is an N_If_Statement or N_Case_Statement node, and this function
+ -- returns the location of the IF token in the END IF sequence by
+ -- translating the value of the End_Span field.
procedure Set_End_Location (N : Node_Id; S : Source_Ptr);
- -- N is an N_If_Statement or N_Case_Statement node. This procedure
- -- sets the End_Span field to correspond to the given value S. In
- -- other words, End_Span is set to the difference between S and
- -- Sloc (N), the starting location.
+ -- N is an N_If_Statement or N_Case_Statement node. This procedure sets
+ -- the End_Span field to correspond to the given value S. In other words,
+ -- End_Span is set to the difference between S and Sloc (N), the starting
+ -- location.
+
+ function Get_Pragma_Arg (Arg : Node_Id) return Node_Id;
+ -- Given an argument to a pragma Arg, this function returns the expression
+ -- for the argument. This is Arg itself, or, in the case where Arg is a
+ -- pragma argument association node, the expression from this node.
--------------------------------
-- Node_Kind Membership Tests --
4 => True, -- Subtype_Mark (Node4)
5 => False), -- Etype (Node5-Sem)
+ N_Quantified_Expression =>
+ (1 => True, -- Condition (Node1)
+ 2 => True, -- Iterator_Specification
+ 3 => False, -- unused
+ 4 => True, -- Loop_Parameter_Specification (Node4)
+ 5 => False), -- Etype (Node5-Sem)
+
N_Allocator =>
(1 => False, -- Storage_Pool (Node1-Sem)
2 => False, -- Procedure_To_Call (Node2-Sem)
4 => False, -- unused
5 => False), -- unused
+ N_Case_Expression =>
+ (1 => False, -- unused
+ 2 => False, -- unused
+ 3 => True, -- Expression (Node3)
+ 4 => True, -- Alternatives (List4)
+ 5 => False), -- unused
+
+ N_Case_Expression_Alternative =>
+ (1 => False, -- Actions (List1-Sem)
+ 2 => False, -- unused
+ 3 => True, -- Statements (List3)
+ 4 => True, -- Expression (Node4)
+ 5 => False), -- unused
+
N_Case_Statement =>
(1 => False, -- unused
2 => False, -- unused
N_Iteration_Scheme =>
(1 => True, -- Condition (Node1)
- 2 => False, -- unused
+ 2 => True, -- Iterator_Specification (Node2)
3 => False, -- Condition_Actions (List3-Sem)
4 => True, -- Loop_Parameter_Specification (Node4)
5 => False), -- unused
4 => True, -- Discrete_Subtype_Definition (Node4)
5 => False), -- unused
+ N_Iterator_Specification =>
+ (1 => True, -- Defining_Identifier (Node1)
+ 2 => True, -- Name (Node2)
+ 3 => False, -- Unused
+ 4 => False, -- Unused
+ 5 => True), -- Subtype_Indication (Node5)
+
N_Block_Statement =>
(1 => True, -- Identifier (Node1)
2 => True, -- Declarations (List2)
4 => True, -- Handled_Statement_Sequence (Node4)
5 => False), -- Corresponding_Spec (Node5-Sem)
+ N_Expression_Function =>
+ (1 => True, -- Specification (Node1)
+ 2 => False, -- unused
+ 3 => True, -- Expression (Node3)
+ 4 => False, -- unused
+ 5 => False), -- unused
+
N_Procedure_Call_Statement =>
(1 => False, -- Controlling_Argument (Node1-Sem)
2 => True, -- Name (Node2)
N_Compilation_Unit_Aux =>
(1 => True, -- Actions (List1)
2 => True, -- Declarations (List2)
- 3 => False, -- unused
+ 3 => False, -- Default_Storage_Pool (Node3)
4 => True, -- Config_Pragmas (List4)
5 => True), -- Pragmas_After (List5)
4 => False, -- unused
5 => False), -- Next_Rep_Item (Node5-Sem)
+ N_Aspect_Specification =>
+ (1 => True, -- Identifier (Node1)
+ 2 => False, -- Aspect_Rep_Item (Node2-Sem)
+ 3 => True, -- Expression (Node3)
+ 4 => False, -- Entity (Node4-Sem)
+ 5 => False), -- Next_Rep_Item (Node5-Sem)
+
N_Enumeration_Representation_Clause =>
(1 => True, -- Identifier (Node1)
2 => False, -- unused
4 => False, -- Entity (Node4-Sem)
5 => False), -- Etype (Node5-Sem)
+ N_Expression_With_Actions =>
+ (1 => True, -- Actions (List1)
+ 2 => False, -- unused
+ 3 => True, -- Expression (Node3)
+ 4 => False, -- unused
+ 5 => False), -- unused
+
N_Free_Statement =>
(1 => False, -- Storage_Pool (Node1-Sem)
2 => False, -- Procedure_To_Call (Node2-Sem)
4 => False, -- unused
5 => False), -- unused
- -- End of inserted output from makeisf program
-
-- Entries for SCIL nodes
- N_SCIL_Dispatch_Table_Object_Init =>
- (1 => False, -- SCIL_Related_Node (Node1-Sem)
- 2 => False, -- unused
- 3 => False, -- unused
- 4 => False, -- SCIL_Entity (Node4-Sem)
- 5 => False), -- unused
-
N_SCIL_Dispatch_Table_Tag_Init =>
- (1 => False, -- SCIL_Related_Node (Node1-Sem)
+ (1 => False, -- unused
2 => False, -- unused
3 => False, -- unused
4 => False, -- SCIL_Entity (Node4-Sem)
5 => False), -- unused
N_SCIL_Dispatching_Call =>
- (1 => False, -- SCIL_Related_Node (Node1-Sem)
+ (1 => False, -- unused
2 => False, -- SCIL_Target_Prim (Node2-Sem)
3 => False, -- unused
4 => False, -- SCIL_Entity (Node4-Sem)
5 => False), -- SCIL_Controlling_Tag (Node5-Sem)
N_SCIL_Membership_Test =>
- (1 => False, -- SCIL_Related_Node (Node1-Sem)
+ (1 => False, -- unused
2 => False, -- unused
3 => False, -- unused
4 => False, -- SCIL_Entity (Node4-Sem)
5 => False), -- SCIL_Tag_Value (Node5-Sem)
- N_SCIL_Tag_Init =>
- (1 => False, -- SCIL_Related_Node (Node1-Sem)
- 2 => False, -- unused
- 3 => False, -- unused
- 4 => False, -- SCIL_Entity (Node4-Sem)
- 5 => False), -- unused
-
-- Entries for Empty, Error and Unused. Even thought these have a Chars
-- field for debugging purposes, they are not really syntactic fields, so
-- we mark all fields as unused.
pragma Inline (Alternatives);
pragma Inline (Ancestor_Part);
pragma Inline (Array_Aggregate);
+ pragma Inline (Aspect_Rep_Item);
pragma Inline (Assignment_OK);
pragma Inline (Associated_Node);
pragma Inline (At_End_Proc);
pragma Inline (Check_Address_Alignment);
pragma Inline (Choice_Parameter);
pragma Inline (Choices);
+ pragma Inline (Class_Present);
pragma Inline (Coextensions);
pragma Inline (Comes_From_Extended_Return_Statement);
pragma Inline (Compile_Time_Known_Aggregate);
pragma Inline (Debug_Statement);
pragma Inline (Declarations);
pragma Inline (Default_Expression);
+ pragma Inline (Default_Storage_Pool);
pragma Inline (Default_Name);
pragma Inline (Defining_Identifier);
pragma Inline (Defining_Unit_Name);
pragma Inline (Float_Truncate);
pragma Inline (Formal_Type_Definition);
pragma Inline (Forwards_OK);
+ pragma Inline (From_Aspect_Specification);
pragma Inline (From_At_End);
pragma Inline (From_At_Mod);
pragma Inline (From_Default);
+ pragma Inline (From_Dynamic_Predicate);
+ pragma Inline (From_Static_Predicate);
pragma Inline (Generic_Associations);
pragma Inline (Generic_Formal_Declarations);
pragma Inline (Generic_Parent);
pragma Inline (Has_Local_Raise);
pragma Inline (Has_Self_Reference);
pragma Inline (Has_No_Elaboration_Code);
- pragma Inline (Has_Priority_Pragma);
+ pragma Inline (Has_Pragma_CPU);
+ pragma Inline (Has_Pragma_Priority);
+ pragma Inline (Has_Pragma_Suppress_All);
pragma Inline (Has_Private_View);
pragma Inline (Has_Relative_Deadline_Pragma);
pragma Inline (Has_Storage_Size_Pragma);
pragma Inline (Has_Task_Info_Pragma);
pragma Inline (Has_Task_Name_Pragma);
pragma Inline (Has_Wide_Character);
+ pragma Inline (Has_Wide_Wide_Character);
pragma Inline (Hidden_By_Use_Clause);
pragma Inline (High_Bound);
pragma Inline (Identifier);
pragma Inline (Interface_List);
pragma Inline (Interface_Present);
pragma Inline (Includes_Infinities);
+ pragma Inline (Import_Interface_Present);
pragma Inline (In_Present);
+ pragma Inline (Inherited_Discriminant);
pragma Inline (Instance_Spec);
pragma Inline (Intval);
+ pragma Inline (Iterator_Specification);
pragma Inline (Is_Accessibility_Actual);
pragma Inline (Is_Asynchronous_Call_Block);
+ pragma Inline (Is_Boolean_Aspect);
pragma Inline (Is_Component_Left_Opnd);
pragma Inline (Is_Component_Right_Opnd);
pragma Inline (Is_Controlling_Actual);
+ pragma Inline (Is_Delayed_Aspect);
pragma Inline (Is_Dynamic_Coextension);
pragma Inline (Is_Elsif);
pragma Inline (Is_Entry_Barrier_Function);
pragma Inline (Name);
pragma Inline (Names);
pragma Inline (Next_Entity);
+ pragma Inline (Next_Exit_Statement);
pragma Inline (Next_Implicit_With);
pragma Inline (Next_Named_Actual);
pragma Inline (Next_Pragma);
pragma Inline (Null_Exclusion_In_Return_Present);
pragma Inline (Null_Record_Present);
pragma Inline (Object_Definition);
+ pragma Inline (Of_Present);
pragma Inline (Original_Discriminant);
pragma Inline (Original_Entity);
pragma Inline (Others_Discrete_Choices);
pragma Inline (Parameter_List_Truncated);
pragma Inline (Parameter_Type);
pragma Inline (Parent_Spec);
- pragma Inline (PPC_Enabled);
pragma Inline (Position);
pragma Inline (Pragma_Argument_Associations);
+ pragma Inline (Pragma_Enabled);
pragma Inline (Pragma_Identifier);
pragma Inline (Pragmas_After);
pragma Inline (Pragmas_Before);
pragma Inline (Rounded_Result);
pragma Inline (SCIL_Controlling_Tag);
pragma Inline (SCIL_Entity);
- pragma Inline (SCIL_Related_Node);
pragma Inline (SCIL_Tag_Value);
pragma Inline (SCIL_Target_Prim);
pragma Inline (Scope);
pragma Inline (Shift_Count_OK);
pragma Inline (Source_Type);
pragma Inline (Specification);
+ pragma Inline (Split_PPC);
pragma Inline (Statements);
pragma Inline (Static_Processing_OK);
pragma Inline (Storage_Pool);
pragma Inline (Subtype_Indication);
pragma Inline (Subtype_Mark);
pragma Inline (Subtype_Marks);
+ pragma Inline (Suppress_Assignment_Checks);
pragma Inline (Suppress_Loop_Warnings);
pragma Inline (Synchronized_Present);
pragma Inline (Tagged_Present);
pragma Inline (Variant_Part);
pragma Inline (Variants);
pragma Inline (Visible_Declarations);
+ pragma Inline (Used_Operations);
pragma Inline (Was_Originally_Stub);
+ pragma Inline (Withed_Body);
pragma Inline (Zero_Cost_Handling);
pragma Inline (Set_ABE_Is_Certain);
pragma Inline (Set_Alternatives);
pragma Inline (Set_Ancestor_Part);
pragma Inline (Set_Array_Aggregate);
+ pragma Inline (Set_Aspect_Rep_Item);
pragma Inline (Set_Assignment_OK);
pragma Inline (Set_Associated_Node);
pragma Inline (Set_At_End_Proc);
pragma Inline (Set_Check_Address_Alignment);
pragma Inline (Set_Choice_Parameter);
pragma Inline (Set_Choices);
+ pragma Inline (Set_Class_Present);
pragma Inline (Set_Coextensions);
pragma Inline (Set_Comes_From_Extended_Return_Statement);
pragma Inline (Set_Compile_Time_Known_Aggregate);
pragma Inline (Set_Debug_Statement);
pragma Inline (Set_Declarations);
pragma Inline (Set_Default_Expression);
+ pragma Inline (Set_Default_Storage_Pool);
pragma Inline (Set_Default_Name);
pragma Inline (Set_Defining_Identifier);
pragma Inline (Set_Defining_Unit_Name);
pragma Inline (Set_Float_Truncate);
pragma Inline (Set_Formal_Type_Definition);
pragma Inline (Set_Forwards_OK);
+ pragma Inline (Set_From_Aspect_Specification);
pragma Inline (Set_From_At_End);
pragma Inline (Set_From_At_Mod);
pragma Inline (Set_From_Default);
+ pragma Inline (Set_From_Dynamic_Predicate);
+ pragma Inline (Set_From_Static_Predicate);
pragma Inline (Set_Generic_Associations);
pragma Inline (Set_Generic_Formal_Declarations);
pragma Inline (Set_Generic_Parent);
pragma Inline (Set_Has_Local_Raise);
pragma Inline (Set_Has_Dynamic_Range_Check);
pragma Inline (Set_Has_No_Elaboration_Code);
- pragma Inline (Set_Has_Priority_Pragma);
+ pragma Inline (Set_Has_Pragma_CPU);
+ pragma Inline (Set_Has_Pragma_Priority);
+ pragma Inline (Set_Has_Pragma_Suppress_All);
pragma Inline (Set_Has_Private_View);
pragma Inline (Set_Has_Relative_Deadline_Pragma);
pragma Inline (Set_Has_Storage_Size_Pragma);
pragma Inline (Set_Has_Task_Info_Pragma);
pragma Inline (Set_Has_Task_Name_Pragma);
pragma Inline (Set_Has_Wide_Character);
+ pragma Inline (Set_Has_Wide_Wide_Character);
pragma Inline (Set_Hidden_By_Use_Clause);
pragma Inline (Set_High_Bound);
pragma Inline (Set_Identifier);
pragma Inline (Set_Includes_Infinities);
pragma Inline (Set_Interface_List);
pragma Inline (Set_Interface_Present);
+ pragma Inline (Set_Import_Interface_Present);
pragma Inline (Set_In_Present);
+ pragma Inline (Set_Inherited_Discriminant);
pragma Inline (Set_Instance_Spec);
pragma Inline (Set_Intval);
+ pragma Inline (Set_Iterator_Specification);
pragma Inline (Set_Is_Accessibility_Actual);
pragma Inline (Set_Is_Asynchronous_Call_Block);
+ pragma Inline (Set_Is_Boolean_Aspect);
pragma Inline (Set_Is_Component_Left_Opnd);
pragma Inline (Set_Is_Component_Right_Opnd);
pragma Inline (Set_Is_Controlling_Actual);
+ pragma Inline (Set_Is_Delayed_Aspect);
pragma Inline (Set_Is_Dynamic_Coextension);
pragma Inline (Set_Is_Elsif);
pragma Inline (Set_Is_Entry_Barrier_Function);
pragma Inline (Set_Name);
pragma Inline (Set_Names);
pragma Inline (Set_Next_Entity);
+ pragma Inline (Set_Next_Exit_Statement);
pragma Inline (Set_Next_Implicit_With);
pragma Inline (Set_Next_Named_Actual);
pragma Inline (Set_Next_Pragma);
pragma Inline (Set_Null_Exclusion_In_Return_Present);
pragma Inline (Set_Null_Record_Present);
pragma Inline (Set_Object_Definition);
+ pragma Inline (Set_Of_Present);
pragma Inline (Set_Original_Discriminant);
pragma Inline (Set_Original_Entity);
pragma Inline (Set_Others_Discrete_Choices);
pragma Inline (Set_Parameter_List_Truncated);
pragma Inline (Set_Parameter_Type);
pragma Inline (Set_Parent_Spec);
- pragma Inline (Set_PPC_Enabled);
pragma Inline (Set_Position);
pragma Inline (Set_Pragma_Argument_Associations);
+ pragma Inline (Set_Pragma_Enabled);
pragma Inline (Set_Pragma_Identifier);
pragma Inline (Set_Pragmas_After);
pragma Inline (Set_Pragmas_Before);
pragma Inline (Set_Rounded_Result);
pragma Inline (Set_SCIL_Controlling_Tag);
pragma Inline (Set_SCIL_Entity);
- pragma Inline (Set_SCIL_Related_Node);
pragma Inline (Set_SCIL_Tag_Value);
pragma Inline (Set_SCIL_Target_Prim);
pragma Inline (Set_Scope);
pragma Inline (Set_Shift_Count_OK);
pragma Inline (Set_Source_Type);
pragma Inline (Set_Specification);
+ pragma Inline (Set_Split_PPC);
pragma Inline (Set_Statements);
pragma Inline (Set_Static_Processing_OK);
pragma Inline (Set_Storage_Pool);
pragma Inline (Set_Subtype_Indication);
pragma Inline (Set_Subtype_Mark);
pragma Inline (Set_Subtype_Marks);
+ pragma Inline (Set_Suppress_Assignment_Checks);
pragma Inline (Set_Suppress_Loop_Warnings);
pragma Inline (Set_Synchronized_Present);
pragma Inline (Set_Tagged_Present);
pragma Inline (Set_Variant_Part);
pragma Inline (Set_Variants);
pragma Inline (Set_Visible_Declarations);
+ pragma Inline (Set_Used_Operations);
pragma Inline (Set_Was_Originally_Stub);
+ pragma Inline (Set_Withed_Body);
pragma Inline (Set_Zero_Cost_Handling);
+ --------------
+ -- Synonyms --
+ --------------
+
+ -- These synonyms are to aid in transition, they should eventually be
+ -- removed when all remaining references to the obsolete name are gone.
+
N_Simple_Return_Statement : constant Node_Kind := N_Return_Statement;
-- Rename N_Return_Statement to be N_Simple_Return_Statement. Clients
-- should refer to N_Simple_Return_Statement.
+ N_Parameterized_Expression : constant Node_Kind := N_Expression_Function;
+ -- Old name for expression functions (used during Ada 2012 transition)
+
end Sinfo;
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