Mercurial > hg > CbC > CbC_gcc
diff gcc/ada/sinfo.ads @ 131:84e7813d76e9
gcc-8.2
| author | mir3636 |
|---|---|
| date | Thu, 25 Oct 2018 07:37:49 +0900 |
| parents | 04ced10e8804 |
| children | 1830386684a0 |
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--- a/gcc/ada/sinfo.ads Fri Oct 27 22:46:09 2017 +0900 +++ b/gcc/ada/sinfo.ads Thu Oct 25 07:37:49 2018 +0900 @@ -6,7 +6,7 @@ -- -- -- S p e c -- -- -- --- Copyright (C) 1992-2017, Free Software Foundation, Inc. -- +-- Copyright (C) 1992-2018, 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- -- @@ -38,7 +38,7 @@ -- The tree contains not only the full syntactic representation of the -- program, but also the results of semantic analysis. In particular, the --- nodes for defining identifiers, defining character literals and defining +-- nodes for defining identifiers, defining character literals, and defining -- operator symbols, collectively referred to as entities, represent what -- would normally be regarded as the symbol table information. In addition a -- number of the tree nodes contain semantic information. @@ -213,7 +213,7 @@ -- The Present function tests for Empty, which in this case signals the end -- of the list. First returns Empty immediately if the list is empty. - -- Present is defined in Atree, First and Next are defined in Nlists. + -- Present is defined in Atree; First and Next are defined in Nlists. -- The exceptions to this rule occur with {DEFINING_IDENTIFIERS} in all -- contexts, which is handled as described in the previous section, and @@ -389,7 +389,7 @@ -- In the following node definitions, all fields, both syntactic and -- semantic, are documented. The one exception is in the case of entities - -- (defining identifiers, character literals and operator symbols), where + -- (defining identifiers, character literals, and operator symbols), where -- the usage of the fields depends on the entity kind. Entity fields are -- fully documented in the separate package Einfo. @@ -531,75 +531,89 @@ -- The SPARK RM 6.9 defines two classes of constructs - Ghost entities and -- Ghost statements. The intent of the feature is to treat Ghost constructs -- as non-existent when Ghost assertion policy Ignore is in effect. - + -- -- The corresponding nodes which map to Ghost constructs are: - + -- -- Ghost entities -- Declaration nodes -- N_Package_Body -- N_Subprogram_Body - + -- -- Ghost statements -- N_Assignment_Statement -- N_Procedure_Call_Statement -- N_Pragma - + -- -- In addition, the compiler treats instantiations as Ghost entities - + -- -- To achieve the removal of ignored Ghost constructs, the compiler relies - -- on global variable Ghost_Mode and a mechanism called "Ghost regions". - -- The values of the global variable are as follows: - + -- on global variables Ghost_Mode and Ignored_Ghost_Region, which comprise + -- a mechanism called "Ghost regions". + -- + -- The values of Ghost_Mode are as follows: + -- -- 1. Check - All static semantics as defined in SPARK RM 6.9 are in -- effect. The Ghost region has mode Check. - + -- -- 2. Ignore - Same as Check, ignored Ghost code is not present in ALI -- files, object files, and the final executable. The Ghost region -- has mode Ignore. - + -- -- 3. None - No Ghost region is in effect - + -- + -- The value of Ignored_Ghost_Region captures the node which initiates an + -- ignored Ghost region. + -- -- A Ghost region is a compiler operating mode, similar to Check_Syntax, -- however a region is much more finely grained and depends on the policy -- in effect. The region starts prior to the analysis of a Ghost construct -- and ends immediately after its expansion. The region is established as -- follows: - + -- -- 1. Declarations - Prior to analysis, if the declaration is subject to -- pragma Ghost. - + -- -- 2. Renaming declarations - Same as 1) or when the renamed entity is -- Ghost. - + -- -- 3. Completing declarations - Same as 1) or when the declaration is -- partially analyzed and the declaration completes a Ghost entity. - + -- -- 4. N_Package_Body, N_Subprogram_Body - Same as 1) or when the body is -- partially analyzed and completes a Ghost entity. - + -- -- 5. N_Assignment_Statement - After the left hand side is analyzed and -- references a Ghost entity. - + -- -- 6. N_Procedure_Call_Statement - After the name is analyzed and denotes -- a Ghost procedure. - + -- -- 7. N_Pragma - During analysis, when the related entity is Ghost or the -- pragma encloses a Ghost entity. - + -- -- 8. Instantiations - Save as 1) or when the instantiation is partially -- analyzed and the generic template is Ghost. - - -- Routines Mark_And_Set_Ghost_xxx and Set_Ghost_Mode install a new Ghost - -- region and routine Restore_Ghost_Mode ends a Ghost region. A region may - -- be reinstalled similarly to scopes for decoupled expansion such as the - -- generation of dispatch tables or the creation of a predicate function. - + -- + -- The following routines install a new Ghost region: + -- + -- Install_Ghost_Region + -- Mark_And_Set_Ghost_xxx + -- Set_Ghost_Mode + -- + -- The following routine ends a Ghost region: + -- + -- Restore_Ghost_Region + -- + -- A region may be reinstalled similarly to scopes for decoupled expansion + -- such as the generation of dispatch tables or the creation of a predicate + -- function. + -- -- If the mode of a Ghost region is Ignore, any newly created nodes as well -- as source entities are marked as ignored Ghost. In additon, the marking -- process signals all enclosing scopes that an ignored Ghost node resides -- within. The compilation unit where the node resides is also added to an -- auxiliary table for post processing. - + -- -- After the analysis and expansion of all compilation units takes place -- as well as the instantiation of all inlined [generic] bodies, the GNAT -- driver initiates a separate pass which removes all ignored Ghost nodes @@ -626,7 +640,7 @@ -- The tree after this light expansion should be fully analyzed -- semantically, which sometimes requires the insertion of semantic - -- pre-analysis, for example for subprogram contracts and pragma + -- preanalysis, for example for subprogram contracts and pragma -- check/assert. In particular, all expression must have their proper type, -- and semantic links should be set between tree nodes (partial to full -- view, etc.) Some kinds of nodes should be either absent, or can be @@ -1116,7 +1130,7 @@ -- complete a subprogram declaration. -- Corresponding_Spec_Of_Stub (Node2-Sem) - -- This field is present in subprogram, package, task and protected body + -- This field is present in subprogram, package, task, and protected body -- stubs where it points to the corresponding spec of the stub. Due to -- clashes in the structure of nodes, we cannot use Corresponding_Spec. @@ -1589,25 +1603,32 @@ -- expansion of the same attribute in the said context. -- Hidden_By_Use_Clause (Elist5-Sem) - -- An entity list present in use clauses that appear within - -- instantiations. For the resolution of local entities, entities - -- introduced by these use clauses have priority over global ones, and - -- outer entities must be explicitly hidden/restored on exit. + -- An entity list present in use clauses that appear within + -- instantiations. For the resolution of local entities, entities + -- introduced by these use clauses have priority over global ones, + -- and outer entities must be explicitly hidden/restored on exit. -- Implicit_With (Flag16-Sem) - -- This flag is set in the N_With_Clause node that is implicitly - -- generated for runtime units that are loaded by the expander or in - -- GNATprove mode, and also for package System, if it is loaded - -- implicitly by a use of the 'Address or 'Tag attribute. - -- ??? There are other implicit with clauses as well. - - -- Implicit_With_From_Instantiation (Flag12-Sem) - -- Set in N_With_Clause nodes from generic instantiations. + -- Present in N_With_Clause nodes. The flag indicates that the clause + -- does not comes from source and introduces an implicit dependency on + -- a particular unit. Such implicit with clauses are generated by: + -- + -- * ABE mechanism - The static elaboration model of both the default + -- and the legacy ABE mechanism use with clauses to encode implicit + -- Elaborate[_All] pragmas. + -- + -- * Analysis - A with clause for child unit A.B.C is equivalent to + -- a series of clauses that with A, A.B, and A.B.C. Manipulation of + -- contexts utilizes implicit with clauses to emulate the visibility + -- of a particular unit. + -- + -- * RTSfind - The compiler generates code which references entities + -- from the runtime. -- 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. + -- 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 @@ -1709,7 +1730,7 @@ -- If this flag is set, the aspect or policy is not analyzed for semantic -- correctness, so any expressions etc will not be marked as analyzed. - -- Is_Dispatching_Call (Flag3-Sem) + -- Is_Dispatching_Call (Flag6-Sem) -- Present in call marker nodes. Set when the related call which prompted -- the creation of the marker is dispatching. @@ -1717,21 +1738,55 @@ -- Present in allocator nodes, to indicate that this is an allocator -- for an access discriminant of a dynamically allocated object. The -- coextension must be deallocated and finalized at the same time as - -- the enclosing object. + -- the enclosing object. The partner flag Is_Static_Coextension must + -- be cleared before setting this flag to True. -- Is_Effective_Use_Clause (Flag1-Sem) -- Present in both N_Use_Type_Clause and N_Use_Package_Clause to indicate -- a use clause is "used" in the current source. -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) - -- Present in nodes which represent an elaboration scenario. Those are - -- assignment statement, attribute reference, call marker, entry call - -- statement, expanded name, function call, identifier, instantiation, - -- procedure call statement, and requeue statement nodes. Set when the - -- node appears within a context which allows for the generation of - -- run-time ABE checks. This flag detemines whether the ABE Processing + -- Present in the following nodes: + -- + -- assignment statement + -- attribute reference + -- call marker + -- entry call statement + -- expanded name + -- function call + -- function instantiation + -- identifier + -- package instantiation + -- procedure call statement + -- procedure instantiation + -- requeue statement + -- + -- Set when the node appears within a context which allows the generation + -- of run-time ABE checks. This flag detemines whether the ABE Processing -- phase generates conditional ABE checks and guaranteed ABE failures. + -- Is_Elaboration_Code (Flag9-Sem) + -- Present in assignment statements. Set for an assignment which updates + -- the elaboration flag of a package or subprogram when the corresponding + -- body is successfully elaborated. + + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) + -- Present in the following nodes: + -- + -- attribute reference + -- call marker + -- entry call statement + -- function call + -- function instantiation + -- package instantiation + -- procedure call statement + -- procedure instantiation + -- requeue statement + -- + -- Set when the node appears within a context where elaboration warnings + -- are enabled. This flag determines whether the ABE processing phase + -- generates diagnostics on various elaboration issues. + -- Is_Entry_Barrier_Function (Flag8-Sem) -- This flag is set on N_Subprogram_Declaration and N_Subprogram_Body -- nodes which emulate the barrier function of a protected entry body. @@ -1754,7 +1809,7 @@ -- Is_Generic_Contract_Pragma (Flag2-Sem) -- This flag is present in N_Pragma nodes. It is set when the pragma is - -- a source construct, applies to a generic unit or its body and denotes + -- a source construct, applies to a generic unit or its body, and denotes -- one of the following contract-related annotations: -- Abstract_State -- Contract_Cases @@ -1812,11 +1867,24 @@ -- finalization actions in initialization contexts. -- Is_Known_Guaranteed_ABE (Flag18-Sem) - -- Present in call markers and instantiations. Set when the elaboration - -- or evaluation of the scenario results in a guaranteed ABE. The flag - -- is used to suppress the instantiation of generic bodies because gigi - -- cannot handle certain forms of premature instantiation, as well as to - -- prevent the reexamination of the node by the ABE Processing phase. + -- NOTE: this flag is shared between the legacy ABE mechanism and the + -- default ABE mechanism. + -- + -- Present in the following nodes: + -- + -- call marker + -- formal package declaration + -- function call + -- function instantiation + -- package instantiation + -- procedure call statement + -- procedure instantiation + -- + -- Set when the elaboration or evaluation of the scenario results in + -- a guaranteed ABE. The flag is used to suppress the instantiation of + -- generic bodies because gigi cannot handle certain forms of premature + -- instantiation, as well as to prevent the reexamination of the node by + -- the ABE Processing phase. -- Is_Machine_Number (Flag11-Sem) -- This flag is set in an N_Real_Literal node to indicate that the value @@ -1828,6 +1896,14 @@ -- can be determined to be null at compile time. This is used to remove -- the loop entirely at expansion time. + -- Is_OpenAcc_Environment (Flag13-Sem) + -- This flag is set in an N_Loop_Statement node if it contains an + -- Acc_Data, Acc_Parallel or Add_Kernels pragma. + + -- Is_OpenAcc_Loop (Flag14-Sem) + -- This flag is set in an N_Loop_Statement node if it contains an + -- OpenAcc_Loop pragma. + -- Is_Overloaded (Flag5-Sem) -- A flag present in all expression nodes. Used temporarily during -- overloading determination. The setting of this flag is not relevant @@ -1863,11 +1939,9 @@ -- the resolution of accidental overloading of binary or unary operators -- which may occur in instances. - -- Is_Recorded_Scenario (Flag6-Sem) - -- Present in call marker and instantiation nodes. Set when the scenario - -- was saved by the ABE Recording phase. This flag aids the ABE machinery - -- to keep its internal data up-to-date in case the node is transformed - -- by Atree.Rewrite. + -- Is_Read (Flag1-Sem) + -- Present in variable reference markers. Set when the original variable + -- reference constitues a read of the variable. -- Is_Source_Call (Flag4-Sem) -- Present in call marker nodes. Set when the related call came from @@ -1884,7 +1958,9 @@ -- Is_Static_Coextension (Flag14-Sem) -- Present in N_Allocator nodes. Set if the allocator is a coextension - -- of an object allocated on the stack rather than the heap. + -- of an object allocated on the stack rather than the heap. The partner + -- flag Is_Dynamic_Coextension must be cleared before setting this flag + -- to True. -- Is_Static_Expression (Flag6-Sem) -- Indicates that an expression is a static expression according to the @@ -1912,10 +1988,14 @@ -- nodes which emulate the body of a task unit. -- Is_Task_Master (Flag5-Sem) - -- A flag set in a Subprogram_Body, Block_Statement or Task_Body node to + -- A flag set in a Subprogram_Body, Block_Statement, or Task_Body node to -- indicate that the construct is a task master (i.e. has declared tasks -- or declares an access to a task type). + -- Is_Write (Flag2-Sem) + -- Present in variable reference markers. Set when the original variable + -- reference constitues a write of the variable. + -- Itype (Node1-Sem) -- Used in N_Itype_Reference node to reference an itype for which it is -- important to ensure that it is defined. See description of this node @@ -2017,7 +2097,7 @@ -- calls to Freeze_Expression. -- Next_Entity (Node2-Sem) - -- Present in defining identifiers, defining character literals and + -- Present in defining identifiers, defining character literals, and -- defining operator symbols (i.e. in all entities). The entities of a -- scope are chained, and this field is used as the forward pointer for -- this list. See Einfo for further details. @@ -2083,6 +2163,16 @@ -- expansions where the generated assignments are initializations, not -- real assignments. + -- No_Elaboration_Check (Flag4-Sem) + -- NOTE: this flag is relevant only for the legacy ABE mechanism and + -- should not be used outside of that context. + -- + -- Present in N_Function_Call and N_Procedure_Call_Statement. Indicates + -- that no elaboration check is needed on the call, because it appears in + -- the context of a local Suppress pragma. This is used on calls within + -- task bodies, where the actual elaboration checks are applied after + -- analysis, when the local scope stack is not present + -- No_Entities_Ref_In_Spec (Flag8-Sem) -- Present in N_With_Clause nodes. Set if the with clause is on the -- package or subprogram spec where the main unit is the corresponding @@ -2160,6 +2250,12 @@ -- package specification. This field is Empty for library bodies (the -- parent spec in this case can be found from the corresponding spec). + -- Parent_With (Flag1-Sem) + -- Present in N_With_Clause nodes. The flag indicates that the clause + -- was generated for an ancestor unit to provide proper visibility. A + -- with clause for child unit A.B.C produces two implicit parent with + -- clauses for A and A.B. + -- Premature_Use (Node5-Sem) -- Present in N_Incomplete_Type_Declaration node. Used for improved -- error diagnostics: if there is a premature usage of an incomplete @@ -2234,7 +2330,7 @@ -- because Analyze wants to insert extra actions on this list. -- Rounded_Result (Flag18-Sem) - -- Present in N_Type_Conversion, N_Op_Divide and N_Op_Multiply nodes. + -- Present in N_Type_Conversion, N_Op_Divide, and N_Op_Multiply nodes. -- Used in the fixed-point cases to indicate that the result must be -- rounded as a result of the use of the 'Round attribute. Also used for -- integer N_Op_Divide nodes to indicate that the result should be @@ -2267,7 +2363,7 @@ -- operation named (statically) in a dispatching call. -- Scope (Node3-Sem) - -- Present in defining identifiers, defining character literals and + -- Present in defining identifiers, defining character literals, and -- defining operator symbols (i.e. in all entities). The entities of a -- scope all use this field to reference the corresponding scope entity. -- See Einfo for further details. @@ -2286,7 +2382,7 @@ -- Split_PPC (Flag17) -- 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 + -- into AND THEN sections. The leftmost 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, @@ -2318,8 +2414,9 @@ -- only execute if invalid values are present). -- Target (Node1-Sem) - -- Present in call marker nodes. References the entity of the entry, - -- operator, or subprogram invoked by the related call or requeue. + -- Present in call and variable reference marker nodes. References the + -- entity of the original entity, operator, or subprogram being invoked, + -- or the original variable being read or written. -- Target_Type (Node2-Sem) -- Used in an N_Validate_Unchecked_Conversion node to point to the target @@ -2338,7 +2435,7 @@ -- always set to No_List. -- Treat_Fixed_As_Integer (Flag14-Sem) - -- This flag appears in operator nodes for divide, multiply, mod and rem + -- This flag appears in operator nodes for divide, multiply, mod, and rem -- on fixed-point operands. It indicates that the operands are to be -- treated as integer values, ignoring small values. This flag is only -- set as a result of expansion of fixed-point operations. Typically a @@ -2415,12 +2512,6 @@ -- 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. - -------------------------------------------------- -- Note on Use of End_Label and End_Span Fields -- -------------------------------------------------- @@ -2728,7 +2819,7 @@ -- pain to allow these aspects to pervade the pragma syntax, and the -- representation of pragma nodes internally. So what we do is to -- replace these ASPECT_MARK forms with identifiers whose name is one - -- of the special internal names _Pre, _Post or _Type_Invariant. + -- of the special internal names _Pre, _Post, or _Type_Invariant. -- We do a similar replacement of these Aspect_Mark forms in the -- Expression of a pragma argument association for the cases of @@ -2777,7 +2868,7 @@ -- Einfo. -- Note: N_Defining_Identifier is an extended node whose fields are - -- deliberate layed out to match the layout of fields in an ordinary + -- deliberately layed out to match the layout of fields in an ordinary -- N_Identifier node allowing for easy alteration of an identifier -- node into a defining identifier node. For details, see procedure -- Sinfo.CN.Change_Identifier_To_Defining_Identifier. @@ -3025,8 +3116,8 @@ -- [abstract] [limited] new [NULL_EXCLUSION] parent_SUBTYPE_INDICATION -- [[and INTERFACE_LIST] RECORD_EXTENSION_PART] - -- Note: ABSTRACT, LIMITED and record extension part are not permitted - -- in Ada 83 mode + -- Note: ABSTRACT, LIMITED, and record extension part are not permitted + -- in Ada 83 mode. -- Note: a record extension part is required if ABSTRACT is present @@ -3337,7 +3428,7 @@ -- Subtype_Indication field or else the Access_Definition field. -- N_Component_Definition - -- Sloc points to ALIASED, ACCESS or to first token of subtype mark + -- Sloc points to ALIASED, ACCESS, or to first token of subtype mark -- Aliased_Present (Flag4) -- Null_Exclusion_Present (Flag11) -- Subtype_Indication (Node5) (set to Empty if not present) @@ -3485,7 +3576,7 @@ -- end record -- | null record - -- Note: the Abstract_Present, Tagged_Present and Limited_Present + -- Note: the Abstract_Present, Tagged_Present, and Limited_Present -- flags appear only for a record definition appearing in a record -- type definition. @@ -3993,6 +4084,7 @@ -- Associated_Node (Node4-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -- Header_Size_Added (Flag11-Sem) -- Redundant_Use (Flag13-Sem) -- Must_Be_Byte_Aligned (Flag14-Sem) @@ -4013,7 +4105,7 @@ -- Instead the Attribute_Name and Expressions fields of the parent -- node (N_Attribute_Reference node) hold the information. - -- Note: if ACCESS, DELTA or DIGITS appears in an attribute + -- Note: if ACCESS, DELTA, or DIGITS appears in an attribute -- designator, then they are treated as identifiers internally -- rather than the keywords of the same name. @@ -4065,7 +4157,7 @@ -- makes no attempt to enforce consistency here, so it is up to the -- semantic phase to make sure that the aggregate is consistent (i.e. -- that it is not a "half-and-half" case that mixes record and array - -- syntax. In particular, for a record aggregate, the expressions + -- syntax). In particular, for a record aggregate, the expressions -- field will be set if there are positional associations. -- Note: N_Aggregate is not used for all aggregates; in particular, @@ -4590,7 +4682,7 @@ -------------------------- -- 4.5.7 If Expression -- - ---------------------------- + -------------------------- -- IF_EXPRESSION ::= -- if CONDITION then DEPENDENT_EXPRESSION @@ -4672,7 +4764,7 @@ -- since the expander converts case expressions into case statements. --------------------------------- - -- 4.5.9 Quantified Expression -- + -- 4.5.8 Quantified Expression -- --------------------------------- -- QUANTIFIED_EXPRESSION ::= @@ -4897,6 +4989,7 @@ -- Backwards_OK (Flag6-Sem) -- No_Ctrl_Actions (Flag7-Sem) -- Has_Target_Names (Flag8-Sem) + -- Is_Elaboration_Code (Flag9-Sem) -- Do_Tag_Check (Flag13-Sem) -- Componentwise_Assignment (Flag14-Sem) -- Suppress_Assignment_Checks (Flag18-Sem) @@ -5041,6 +5134,8 @@ -- Iteration_Scheme (Node2) (set to Empty if no iteration scheme) -- Statements (List3) -- End_Label (Node4) + -- Is_OpenAcc_Environment (Flag13-Sem) + -- Is_OpenAcc_Loop (Flag14-Sem) -- Has_Created_Identifier (Flag15) -- Is_Null_Loop (Flag16) -- Suppress_Loop_Warnings (Flag17) @@ -5478,7 +5573,10 @@ -- Controlling_Argument (Node1-Sem) (set to Empty if not dispatching) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) + -- No_Elaboration_Check (Flag4-Sem) -- Do_Tag_Check (Flag13-Sem) + -- Is_Known_Guaranteed_ABE (Flag18-Sem) -- plus fields for expression -- If any IN parameter requires a range check, then the corresponding @@ -5508,9 +5606,12 @@ -- Controlling_Argument (Node1-Sem) (set to Empty if not dispatching) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) + -- No_Elaboration_Check (Flag4-Sem) -- Is_Expanded_Build_In_Place_Call (Flag11-Sem) -- Do_Tag_Check (Flag13-Sem) -- No_Side_Effect_Removal (Flag17-Sem) + -- Is_Known_Guaranteed_ABE (Flag18-Sem) -- plus fields for expression -------------------------------- @@ -5543,7 +5644,8 @@ -- 6.4 Actual Parameter -- --------------------------- - -- EXPLICIT_ACTUAL_PARAMETER ::= EXPRESSION | variable_NAME + -- EXPLICIT_ACTUAL_PARAMETER ::= + -- EXPRESSION | variable_NAME | REDUCTION_EXPRESSION_PARAMETER --------------------------- -- 6.5 Return Statement -- @@ -6221,6 +6323,7 @@ -- First_Named_Actual (Node4-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) ------------------------------ -- 9.5.4 Requeue Statement -- @@ -6238,6 +6341,7 @@ -- Abort_Present (Flag15) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -------------------------- -- 9.6 Delay Statement -- @@ -6643,8 +6747,9 @@ -- N_With_Clause -- Sloc points to first token of library unit name - -- Withed_Body (Node1-Sem) -- Name (Node2) + -- Private_Present (Flag15) set if with_clause has private keyword + -- Limited_Present (Flag17) set if LIMITED is present -- Next_Implicit_With (Node3-Sem) -- Library_Unit (Node4-Sem) -- Corresponding_Spec (Node5-Sem) @@ -6655,11 +6760,9 @@ -- Elaborate_All_Present (Flag14-Sem) -- Elaborate_All_Desirable (Flag9-Sem) -- Elaborate_Desirable (Flag11-Sem) - -- Private_Present (Flag15) set if with_clause has private keyword -- Implicit_With (Flag16-Sem) - -- Implicit_With_From_Instantiation (Flag12-Sem) - -- Limited_Present (Flag17) set if LIMITED is present -- Limited_View_Installed (Flag18-Sem) + -- Parent_With (Flag1-Sem) -- Unreferenced_In_Spec (Flag7-Sem) -- No_Entities_Ref_In_Spec (Flag8-Sem) @@ -7035,8 +7138,8 @@ -- Instance_Spec (Node5-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -- Is_Declaration_Level_Node (Flag5-Sem) - -- Is_Recorded_Scenario (Flag6-Sem) -- Is_Known_Guaranteed_ABE (Flag18-Sem) -- N_Procedure_Instantiation @@ -7049,8 +7152,8 @@ -- Instance_Spec (Node5-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -- Is_Declaration_Level_Node (Flag5-Sem) - -- Is_Recorded_Scenario (Flag6-Sem) -- Must_Override (Flag14) set if overriding indicator present -- Must_Not_Override (Flag15) set if not_overriding indicator present -- Is_Known_Guaranteed_ABE (Flag18-Sem) @@ -7065,8 +7168,8 @@ -- Instance_Spec (Node5-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -- Is_Declaration_Level_Node (Flag5-Sem) - -- Is_Recorded_Scenario (Flag6-Sem) -- Must_Override (Flag14) set if overriding indicator present -- Must_Not_Override (Flag15) set if not_overriding indicator present -- Is_Known_Guaranteed_ABE (Flag18-Sem) @@ -7382,6 +7485,7 @@ -- empty generic actual part) -- Box_Present (Flag15) -- Instance_Spec (Node5-Sem) + -- Is_Known_Guaranteed_ABE (Flag18-Sem) -------------------------------------- -- 12.7 Formal Package Actual Part -- @@ -7821,10 +7925,10 @@ -- Target (Node1-Sem) -- Is_Elaboration_Checks_OK_Node (Flag1-Sem) -- Is_SPARK_Mode_On_Node (Flag2-Sem) - -- Is_Dispatching_Call (Flag3-Sem) + -- Is_Elaboration_Warnings_OK_Node (Flag3-Sem) -- Is_Source_Call (Flag4-Sem) -- Is_Declaration_Level_Node (Flag5-Sem) - -- Is_Recorded_Scenario (Flag6-Sem) + -- Is_Dispatching_Call (Flag6-Sem) -- Is_Known_Guaranteed_ABE (Flag18-Sem) ------------------------ @@ -7911,7 +8015,7 @@ -- to aspects/pragmas Contract_Cases and Test_Case. The ordering in the -- list is in LIFO fashion. - -- Classifications contains pragmas that either declare, categorize or + -- Classifications contains pragmas that either declare, categorize, or -- establish dependencies between subprogram or package inputs and -- outputs. Currently the following pragmas appear in this list: -- Abstract_States @@ -8455,6 +8559,37 @@ -- Note: in the case where a debug source file is generated, the Sloc -- for this node points to the VALIDATE keyword in the file output. + ------------------------------- + -- Variable_Reference_Marker -- + ------------------------------- + + -- This node is created during the analysis of direct or expanded names, + -- and the resolution of entry and subprogram calls. It performs several + -- functions: + + -- * Variable reference markers provide a uniform model for handling + -- variable references by the ABE mechanism, regardless of whether + -- expansion took place. + + -- * The variable reference marker captures the entity of the variable + -- being read or written. + + -- * The variable reference markers aid the ABE Processing phase by + -- signaling the presence of a call in case the original variable + -- reference was transformed by expansion. + + -- Sprint syntax: r#target# -- for a read + -- rw#target# -- for a read/write + -- w#target# -- for a write + + -- The Sprint syntax shown above is not enabled by default + + -- N_Variable_Reference_Marker + -- Sloc points to Sloc of original variable reference + -- Target (Node1-Sem) + -- Is_Read (Flag1-Sem) + -- Is_Write (Flag2-Sem) + ----------- -- Empty -- ----------- @@ -8877,6 +9012,7 @@ N_Triggering_Alternative, N_Use_Type_Clause, N_Validate_Unchecked_Conversion, + N_Variable_Reference_Marker, N_Variant, N_Variant_Part, N_With_Clause, @@ -9598,9 +9734,6 @@ function Implicit_With (N : Node_Id) return Boolean; -- Flag16 - function Implicit_With_From_Instantiation - (N : Node_Id) return Boolean; -- Flag12 - function Import_Interface_Present (N : Node_Id) return Boolean; -- Flag16 @@ -9662,7 +9795,7 @@ (N : Node_Id) return Boolean; -- Flag15 function Is_Dispatching_Call - (N : Node_Id) return Boolean; -- Flag3 + (N : Node_Id) return Boolean; -- Flag6 function Is_Dynamic_Coextension (N : Node_Id) return Boolean; -- Flag18 @@ -9673,6 +9806,12 @@ function Is_Elaboration_Checks_OK_Node (N : Node_Id) return Boolean; -- Flag1 + function Is_Elaboration_Code + (N : Node_Id) return Boolean; -- Flag9 + + function Is_Elaboration_Warnings_OK_Node + (N : Node_Id) return Boolean; -- Flag3 + function Is_Elsif (N : Node_Id) return Boolean; -- Flag13 @@ -9718,6 +9857,12 @@ function Is_Null_Loop (N : Node_Id) return Boolean; -- Flag16 + function Is_OpenAcc_Environment + (N : Node_Id) return Boolean; -- Flag13 + + function Is_OpenAcc_Loop + (N : Node_Id) return Boolean; -- Flag14 + function Is_Overloaded (N : Node_Id) return Boolean; -- Flag5 @@ -9733,8 +9878,8 @@ function Is_Qualified_Universal_Literal (N : Node_Id) return Boolean; -- Flag4 - function Is_Recorded_Scenario - (N : Node_Id) return Boolean; -- Flag6 + function Is_Read + (N : Node_Id) return Boolean; -- Flag1 function Is_Source_Call (N : Node_Id) return Boolean; -- Flag4 @@ -9760,6 +9905,9 @@ function Is_Task_Master (N : Node_Id) return Boolean; -- Flag5 + function Is_Write + (N : Node_Id) return Boolean; -- Flag2 + function Iteration_Scheme (N : Node_Id) return Node_Id; -- Node2 @@ -9859,6 +10007,9 @@ function No_Ctrl_Actions (N : Node_Id) return Boolean; -- Flag7 + function No_Elaboration_Check + (N : Node_Id) return Boolean; -- Flag4 + function No_Entities_Ref_In_Spec (N : Node_Id) return Boolean; -- Flag8 @@ -9922,6 +10073,9 @@ function Parent_Spec (N : Node_Id) return Node_Id; -- Node4 + function Parent_With + (N : Node_Id) return Boolean; -- Flag1 + function Position (N : Node_Id) return Node_Id; -- Node2 @@ -10162,9 +10316,6 @@ function Was_Originally_Stub (N : Node_Id) return Boolean; -- Flag13 - function Withed_Body - (N : Node_Id) return Node_Id; -- Node1 - -- End functions (note used by xsinfo utility program to end processing) ---------------------------- @@ -10687,9 +10838,6 @@ procedure Set_Implicit_With (N : Node_Id; Val : Boolean := True); -- Flag16 - procedure Set_Implicit_With_From_Instantiation - (N : Node_Id; Val : Boolean := True); -- Flag12 - procedure Set_Import_Interface_Present (N : Node_Id; Val : Boolean := True); -- Flag16 @@ -10751,7 +10899,7 @@ (N : Node_Id; Val : Boolean := True); -- Flag15 procedure Set_Is_Dispatching_Call - (N : Node_Id; Val : Boolean := True); -- Flag3 + (N : Node_Id; Val : Boolean := True); -- Flag6 procedure Set_Is_Dynamic_Coextension (N : Node_Id; Val : Boolean := True); -- Flag18 @@ -10762,6 +10910,12 @@ procedure Set_Is_Elaboration_Checks_OK_Node (N : Node_Id; Val : Boolean := True); -- Flag1 + procedure Set_Is_Elaboration_Code + (N : Node_Id; Val : Boolean := True); -- Flag9 + + procedure Set_Is_Elaboration_Warnings_OK_Node + (N : Node_Id; Val : Boolean := True); -- Flag3 + procedure Set_Is_Elsif (N : Node_Id; Val : Boolean := True); -- Flag13 @@ -10807,6 +10961,12 @@ procedure Set_Is_Null_Loop (N : Node_Id; Val : Boolean := True); -- Flag16 + procedure Set_Is_OpenAcc_Environment + (N : Node_Id; Val : Boolean := True); -- Flag13 + + procedure Set_Is_OpenAcc_Loop + (N : Node_Id; Val : Boolean := True); -- Flag14 + procedure Set_Is_Overloaded (N : Node_Id; Val : Boolean := True); -- Flag5 @@ -10822,8 +10982,8 @@ procedure Set_Is_Qualified_Universal_Literal (N : Node_Id; Val : Boolean := True); -- Flag4 - procedure Set_Is_Recorded_Scenario - (N : Node_Id; Val : Boolean := True); -- Flag6 + procedure Set_Is_Read + (N : Node_Id; Val : Boolean := True); -- Flag1 procedure Set_Is_Source_Call (N : Node_Id; Val : Boolean := True); -- Flag4 @@ -10849,6 +11009,9 @@ procedure Set_Is_Task_Master (N : Node_Id; Val : Boolean := True); -- Flag5 + procedure Set_Is_Write + (N : Node_Id; Val : Boolean := True); -- Flag2 + procedure Set_Iteration_Scheme (N : Node_Id; Val : Node_Id); -- Node2 @@ -10948,6 +11111,9 @@ procedure Set_No_Ctrl_Actions (N : Node_Id; Val : Boolean := True); -- Flag7 + procedure Set_No_Elaboration_Check + (N : Node_Id; Val : Boolean := True); -- Flag4 + procedure Set_No_Entities_Ref_In_Spec (N : Node_Id; Val : Boolean := True); -- Flag8 @@ -11011,6 +11177,9 @@ procedure Set_Parent_Spec (N : Node_Id; Val : Node_Id); -- Node4 + procedure Set_Parent_With + (N : Node_Id; Val : Boolean := True); -- Flag1 + procedure Set_Position (N : Node_Id; Val : Node_Id); -- Node2 @@ -11251,9 +11420,6 @@ procedure Set_Was_Originally_Stub (N : Node_Id; Val : Boolean := True); -- Flag13 - procedure Set_Withed_Body - (N : Node_Id; Val : Node_Id); -- Node1 - ------------------------- -- Iterator Procedures -- ------------------------- @@ -11363,6 +11529,33 @@ V8 : Node_Kind; V9 : Node_Kind) return Boolean; + function Nkind_In + (T : Node_Kind; + V1 : Node_Kind; + V2 : Node_Kind; + V3 : Node_Kind; + V4 : Node_Kind; + V5 : Node_Kind; + V6 : Node_Kind; + V7 : Node_Kind; + V8 : Node_Kind; + V9 : Node_Kind; + V10 : Node_Kind) return Boolean; + + function Nkind_In + (T : Node_Kind; + V1 : Node_Kind; + V2 : Node_Kind; + V3 : Node_Kind; + V4 : Node_Kind; + V5 : Node_Kind; + V6 : Node_Kind; + V7 : Node_Kind; + V8 : Node_Kind; + V9 : Node_Kind; + V10 : Node_Kind; + V11 : Node_Kind) return Boolean; + pragma Inline (Nkind_In); -- Inline all above functions @@ -11755,7 +11948,7 @@ 5 => False), -- unused N_Delta_Aggregate => - (1 => False, -- Expressions (List1) + (1 => False, -- Expressions (List1-Sem) 2 => True, -- Component_Associations (List2) 3 => True, -- Expression (Node3) 4 => False, -- Unused @@ -11966,7 +12159,7 @@ N_Quantified_Expression => (1 => True, -- Condition (Node1) - 2 => True, -- Iterator_Specification + 2 => True, -- Iterator_Specification (Node2) 3 => False, -- unused 4 => True, -- Loop_Parameter_Specification (Node4) 5 => False), -- Etype (Node5-Sem) @@ -13023,7 +13216,14 @@ 4 => False, -- unused 5 => False), -- unused - -- Entries for Empty, Error and Unused. Even thought these have a Chars + N_Variable_Reference_Marker => + (1 => False, -- Target (Node1-Sem) + 2 => False, -- unused + 3 => False, -- unused + 4 => False, -- unused + 5 => False), -- unused + + -- Entries for Empty, Error, and Unused. Even though these have a Chars -- field for debugging purposes, they are not really syntactic fields, so -- we mark all fields as unused. @@ -13228,7 +13428,6 @@ pragma Inline (High_Bound); pragma Inline (Identifier); pragma Inline (Implicit_With); - pragma Inline (Implicit_With_From_Instantiation); pragma Inline (Interface_List); pragma Inline (Interface_Present); pragma Inline (Includes_Infinities); @@ -13256,6 +13455,8 @@ pragma Inline (Is_Dynamic_Coextension); pragma Inline (Is_Effective_Use_Clause); pragma Inline (Is_Elaboration_Checks_OK_Node); + pragma Inline (Is_Elaboration_Code); + pragma Inline (Is_Elaboration_Warnings_OK_Node); pragma Inline (Is_Elsif); pragma Inline (Is_Entry_Barrier_Function); pragma Inline (Is_Expanded_Build_In_Place_Call); @@ -13271,12 +13472,14 @@ pragma Inline (Is_Known_Guaranteed_ABE); pragma Inline (Is_Machine_Number); pragma Inline (Is_Null_Loop); + pragma Inline (Is_OpenAcc_Environment); + pragma Inline (Is_OpenAcc_Loop); pragma Inline (Is_Overloaded); pragma Inline (Is_Power_Of_2_For_Shift); pragma Inline (Is_Prefixed_Call); pragma Inline (Is_Protected_Subprogram_Body); pragma Inline (Is_Qualified_Universal_Literal); - pragma Inline (Is_Recorded_Scenario); + pragma Inline (Is_Read); pragma Inline (Is_Source_Call); pragma Inline (Is_SPARK_Mode_On_Node); pragma Inline (Is_Static_Coextension); @@ -13285,6 +13488,7 @@ pragma Inline (Is_Task_Allocation_Block); pragma Inline (Is_Task_Body_Procedure); pragma Inline (Is_Task_Master); + pragma Inline (Is_Write); pragma Inline (Iteration_Scheme); pragma Inline (Itype); pragma Inline (Kill_Range_Check); @@ -13317,6 +13521,7 @@ pragma Inline (Next_Rep_Item); pragma Inline (Next_Use_Clause); pragma Inline (No_Ctrl_Actions); + pragma Inline (No_Elaboration_Check); pragma Inline (No_Entities_Ref_In_Spec); pragma Inline (No_Initialization); pragma Inline (No_Minimize_Eliminate); @@ -13338,6 +13543,7 @@ pragma Inline (Parameter_Specifications); pragma Inline (Parameter_Type); pragma Inline (Parent_Spec); + pragma Inline (Parent_With); pragma Inline (Position); pragma Inline (Pragma_Argument_Associations); pragma Inline (Pragma_Identifier); @@ -13418,7 +13624,6 @@ pragma Inline (Was_Attribute_Reference); pragma Inline (Was_Expression_Function); pragma Inline (Was_Originally_Stub); - pragma Inline (Withed_Body); pragma Inline (Set_Abort_Present); pragma Inline (Set_Abortable_Part); @@ -13614,6 +13819,8 @@ pragma Inline (Set_Is_Dynamic_Coextension); pragma Inline (Set_Is_Effective_Use_Clause); pragma Inline (Set_Is_Elaboration_Checks_OK_Node); + pragma Inline (Set_Is_Elaboration_Code); + pragma Inline (Set_Is_Elaboration_Warnings_OK_Node); pragma Inline (Set_Is_Elsif); pragma Inline (Set_Is_Entry_Barrier_Function); pragma Inline (Set_Is_Expanded_Build_In_Place_Call); @@ -13629,12 +13836,14 @@ pragma Inline (Set_Is_Known_Guaranteed_ABE); pragma Inline (Set_Is_Machine_Number); pragma Inline (Set_Is_Null_Loop); + pragma Inline (Set_Is_OpenAcc_Environment); + pragma Inline (Set_Is_OpenAcc_Loop); pragma Inline (Set_Is_Overloaded); pragma Inline (Set_Is_Power_Of_2_For_Shift); pragma Inline (Set_Is_Prefixed_Call); pragma Inline (Set_Is_Protected_Subprogram_Body); pragma Inline (Set_Is_Qualified_Universal_Literal); - pragma Inline (Set_Is_Recorded_Scenario); + pragma Inline (Set_Is_Read); pragma Inline (Set_Is_Source_Call); pragma Inline (Set_Is_SPARK_Mode_On_Node); pragma Inline (Set_Is_Static_Coextension); @@ -13643,6 +13852,7 @@ pragma Inline (Set_Is_Task_Allocation_Block); pragma Inline (Set_Is_Task_Body_Procedure); pragma Inline (Set_Is_Task_Master); + pragma Inline (Set_Is_Write); pragma Inline (Set_Iteration_Scheme); pragma Inline (Set_Iterator_Specification); pragma Inline (Set_Itype); @@ -13676,6 +13886,7 @@ pragma Inline (Set_Next_Rep_Item); pragma Inline (Set_Next_Use_Clause); pragma Inline (Set_No_Ctrl_Actions); + pragma Inline (Set_No_Elaboration_Check); pragma Inline (Set_No_Entities_Ref_In_Spec); pragma Inline (Set_No_Initialization); pragma Inline (Set_No_Minimize_Eliminate); @@ -13697,6 +13908,7 @@ pragma Inline (Set_Parameter_Specifications); pragma Inline (Set_Parameter_Type); pragma Inline (Set_Parent_Spec); + pragma Inline (Set_Parent_With); pragma Inline (Set_Position); pragma Inline (Set_Pragma_Argument_Associations); pragma Inline (Set_Pragma_Identifier); @@ -13775,6 +13987,5 @@ pragma Inline (Set_Was_Attribute_Reference); pragma Inline (Set_Was_Expression_Function); pragma Inline (Set_Was_Originally_Stub); - pragma Inline (Set_Withed_Body); end Sinfo;