2019-08-20 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Record_Info): In -gnatR4 mode, set the relevant flag on the implicit base type of a record subtype. 2019-08-20 Bob Duff <duff@adacore.com> * sem_eval.adb (Expr_Value): Implement the case of an unchecked conversion of a static expression. 2019-08-20 Bob Duff <duff@adacore.com> * sem_ch13.adb (Is_Null_Array): New function, used to detect the null array case; used to warn about uncheckedly converting to a zero-sized array. It is unfortunate that we can't just check the size, and warn on all cases of converting from a nonzero-sized type to a zero-sized one. That's because "0" means two different things: "size is zero" and "size is unknown". Until we fix that design flaw, we need this more targeted fix. 2019-08-20 Bob Duff <duff@adacore.com> * libgnat/a-cborma.adb, libgnat/a-cborse.adb (Clear): Repeatedly call Delete. This avoids clearing the free list, which substantially speeds up future Delete operations. 2019-08-20 Bob Duff <duff@adacore.com> * sem_ch13.adb (Component_Order_Check): New procedure to check for out-of-order clauses. * warnsw.ads, warnsw.adb: New -gnatw_r switch. * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Document new switch. * gnat_ugn.texi: Regenerate. 2019-08-20 Bob Duff <duff@adacore.com> * sem_ch13.adb (Object_Size): Give an error for zero. It really rubs me the wrong way that we don't honor "for T'Object_Size use 0;", but it's not important enough to fix. In any case, if we're not going to obey the clause, we should give an error. 2019-08-20 Bob Duff <duff@adacore.com> * errout.adb (Error_Msg_Internal): Set Warn_Err in case of Is_Style_Msg. * erroutc.adb (Output_Msg_Text): Do Warnings_Treated_As_Errors processing and [warning-as-error] modification for style messages. Clean up code, simplify, remove unnecessary block statement, add renaming of table entry. * erroutc.ads (Warning_Treated_As_Error): Fix comment: no such thing as Set_Warning_As_Error. * opt.ads: Clean up comments and move related declarations near each other. * par-prag.adb: Process Warning_As_Error. This is necessary because many style warning happen during parsing. * sem_prag.adb: Use new Acquire_Warning_Match_String. * sem_util.ads, sem_util.adb (Acquire_Warning_Match_String): New function shared by par-prag.adb and sem_prag.adb. Replaces the procedure in sem_prag.adb. Avoid use of global variables. * stringt.ads, stringt.adb (To_String): New function to convert String_Id to String. * doc/gnat_rm/implementation_defined_pragmas.rst: Document the new feature. * gnat_rm.texi: Regenerate. 2019-08-20 Eric Botcazou <ebotcazou@adacore.com> * lib.ads: Add with clause for GNAT.HTable. Add pragma Inline for Is_Loaded and alphabetize the list. (Unit_Name_Table_Size): New constant. (Unit_Name_Header_Num): New subtype. (Unit_Name_Hash): New function declaration. (Unit_Names): New simple hash table. (Init_Unit_Name): New procedure declaration. * lib.adb (Set_Unit_Name): Unregister the old name in the table, if any, and then register the new name. (Init_Unit_Name): New procedure. (Is_Loaded): Reimplement using a lookup in the names table. (Remove_Unit): Unregister the name. (Unit_Name_Hash): New function. * lib-load.adb (Create_Dummy_Package_Unit): Call Init_Unit_Name. (Load_Unit): Use a lookup in the names table to find out whether the unit has already been loaded. Call Init_Unit_Name and then Remove_Unit if the loading has failed. (Make_Child_Decl_Unit): Call Init_Unit_Name. (Make_Instance_Unit): Likewise. * lib-writ.adb (Ensure_System_Dependency): Likewise. 2019-08-20 Bob Duff <duff@adacore.com> * sem_ch13.adb (Record_Hole_Check): Initialize After_Last. 2019-08-20 Piotr Trojanek <trojanek@adacore.com> * impunit.adb (Get_Kind_Of_Unit): Revert change for adapting this routine for gnatprove. 2019-08-20 Arnaud Charlet <charlet@adacore.com> * doc/gnat_rm/implementation_defined_pragmas.rst: Document requirements for Pragma Lock_Free. * gnat_rm.texi: Regenerate. 2019-08-20 Philippe Gil <gil@adacore.com> * bindgen.adb (Gen_Main): Set gnat_argc/gnat_argv to argc/argv only when still uninitialized. 2019-08-20 Bob Duff <duff@adacore.com> * libgnat/g-comlin.ads (Exit_From_Command_Line): Fix documentation for GNAT.Command_Line. 2019-08-20 Pierre-Marie de Rodat <derodat@adacore.com> PR ada/91492 * gcc-interface/lang.opt (-fdump-scos): Add missing dot at the end of the documentation. 2019-08-20 Richard Sandiford <richard.sandiford@arm.com> * gcc-interface/misc.c (default_pass_by_ref): Update call to pass_by_reference. 2019-08-19 Bob Duff <duff@adacore.com> * doc/gnat_rm/implementation_advice.rst: Fix documentation for stream oriented attributes. * gnat_rm.texi: Regenerate. 2019-08-19 Gary Dismukes <dismukes@adacore.com> * einfo.ads (E_Function, E_Procedure): Update comments to reflect that Renamed_Entity is also used for nongeneric subprograms. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * sem_prag.adb (Is_Before_First_Decl): Deal with rewritten pragmas. 2019-08-19 Bob Duff <duff@adacore.com> * sem_warn.adb (Warn_On_Unreferenced_Entity): Suppress warning on formal parameters of dispatching operations. 2019-08-19 Ed Schonberg <schonberg@adacore.com> * sem_res.adb (Resolve_Call): A call to an expression function freezes when expander is active, unless the call appears within the body of another expression function, 2019-08-19 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/s-os_lib.ads, libgnat/s-os_lib.adb (To_Ada, To_C): New routines. 2019-08-19 Bob Duff <duff@adacore.com> * exp_attr.adb (Attribute_Valid): Correct the handling of private types where the full type is modular. System.Address is an example. Otherwise, we convert uncheckedly to a signed type, so we get an incorrect range 0 .. -1, for which all values will fail. The 'Valid attribute is illegal for such types, but we generate such illegal attribute_references for 'Valid_Scalars, and we generate 'Valid_Scalars when the -gnateV switch is used. Rename Btyp --> PBtyp to avoid hiding the outer Btyp, which was confusing. * libgnat/a-except.adb: Set the Exception_Raised component. Otherwise, we have incorrect reads of invalid data. 2019-08-19 Pierre-Marie de Rodat <derodat@adacore.com> * libgnat/a-cgaaso.ads, libgnat/a-cgarso.ads, libgnat/a-cogeso.ads, libgnat/a-contai.ads, libgnat/a-locale.ads: Import documentation from the RM. 2019-08-19 Jerome Guitton <guitton@adacore.com> * Makefile.rtl (system.o): New target to add generation of target properties. * gcc-interface/Makefile.in (install-gnatlib): Install ada_target_properties. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Add_Inlined_Body): Do not special-case instances that are compilation units. (Add_Pending_Instantiation): Likewise. (Instantiate_Body): Skip instantiations that are compilation units and have already been performed. * sem_ch12.adb (Needs_Body_Instantiated): Do not special-case instances that are compilation units. (Load_Parent_Of_Generic): Be prepared for parent that is a compilation unit but whose instantiation node has not been replaced. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Initialize, Lock): Deal with Called_Pending_Instantiations. 2019-08-19 Ed Schonberg <schonberg@adacore.com> * sem_ch6.adb (Check_Synchronized_Overriding): Complete predicate that applies legality check in 9.4 (11.9/2): if an inherited subprogram is implemented by a protected procedure or entry, its first paarameter must be out, in_out or access_to_varible. 2019-08-19 Javier Miranda <miranda@adacore.com> PR ada/65696 * exp_atag.ads, exp_atag.adb (Build_Inherit_Predefined_Prims): Adding formal to specify how many predefined primitives are inherited from the parent type. * exp_disp.adb (Number_Of_Predefined_Prims): New subprogram. (Make_Secondary_DT): Compute the number of predefined primitives of all tagged types (including tagged types not defined at library level). Previously we unconditionally relied on the Max_Predef_Prims constant value when building the dispatch tables of tagged types not defined at library level (thus consuming more memory for their dispatch tables than required). (Make_DT): Compute the number of predefined primitives that must be inherited from their parent type when building the dispatch tables of tagged types not defined at library level. Previously we unconditionally relied on the Max_Predef_Prims constant value when building the dispatch tables of tagged types not defined at library level (thus copying more data than required from the parent type). 2019-08-19 Bob Duff <duff@adacore.com> * sem_ch13.adb (Record_Hole_Check): Procedure to check for holes that incudes processing type extensions. A type extension is processed by first calling Record_Hole_Check recursively on the parent type to compute the bit number after the last component of the parent. 2019-08-19 Gary Dismukes <dismukes@adacore.com> * checks.adb (Length_Mismatch_Info_Message): New function in Selected_Length_Checks to return a message indicating the element counts for the mismatched lengths for a failed compile-time length check. (Plural_Or_Singular_Ending): Support function in Length_Mismatch_Info_Message to return either "" or "s", for concatenating to the end of words. (Selected_Length_Checks): Pass the result of Length_Mismatch_Info_Message as an extra warning message to Compile_Time_Constraint_Error to indicate the mismatched lengths for a failed compile-time length check. * sem_util.ads (Compile_Time_Constraint_Error): Add an optional message formal (Extra_Msg), defaulted to the empty string. * sem_util.adb (Compile_Time_Constraint_Error): Output an extra message following the main warning message (when Extra_Msg is not the empty string). 2019-08-19 Patrick Bernardi <bernardi@adacore.com> * socket.c: Removed the redefinition of getaddrinfo, getnameinfo and freeaddrinfo to internal VxWorks kernel calls because they are, well, internal kernel calls and cannot be called from RTPs. VxWorks provides the necessary components to call these routines directly. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * exp_dist.adb (Is_Generic_Actual_Subtype): New predicate. (Build_From_Any_Call, Build_To_Any_Call, Build_TypeCode_Call): Use it instead of Is_Generic_Actual_Type flag to detect subtypes representing generic actual types. 2019-08-19 Ed Schonberg <schonberg@adacore.com> * sem_warn.adb (Check_References, Generic_Body_Formal): When a formal parameter of a generic subprogram is not referenced in the body, place the corresponding warning on the corresponding entity in the specification of the generic body, as is done for non-generic subprograms. 2019-08-19 Bob Duff <duff@adacore.com> * errout.ads (Size_Too_Small_Message): New constant. * errout.adb, freeze.adb, sem_ch13.adb: Use it. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * exp_dist.adb (Build_Package_Stubs): Do not specifically visit the declarations of an N_Subprogram_Instantiation node. 2019-08-19 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document missing metrics switches. 2019-08-19 Piotr Trojanek <trojanek@adacore.com> * sem_ch12.adb (Get_Unit_Instantiation_Node): Simplify Nkind_In membership test. * sem.adb (Depends_On_Main): Whitespace cleanup; only assign a local variable if needed. 2019-08-19 Claire Dross <dross@adacore.com> * sem_spark.ads, sem_spark.adb (Is_Pledge_Function): New parameter of the generic. Function used to decide whether a function is a pledge function. (Check_Not_Borrowed): Disable check inside the second parameter of a pledge function for the path borrowed by the first parameter. Also disable checks for entities inside a Global contract. 2019-08-19 Joffrey Huguet <huguet@adacore.com> * libgnat/a-cfdlli.ads, libgnat/a-cfhama.ads, libgnat/a-cfinve.ads, libgnat/a-cforma.ads, libgnat/a-cofove.ads, libgnat/a-cofuma.ads, libgnat/a-cofuve.ads: Add formal function parameter "=" (L, R : Element_Type) to the generic packages. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * opt.ads: Clean up left-overs of earlier implementation in comment: 2019-08-19 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Derived_Enumeration_Type): Do no freeze anonymous base type if the bounds in the derived type declaration are literals of the type. 2019-08-19 Yannick Moy <moy@adacore.com> * sem_res.adb (Resolve_Call): Check non-aliasing rules before GNATprove inlining. 2019-08-19 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Add_Inlined_Body): Do not add pending instantiations. * sem_ch12.adb (Needs_Body_Instantiated): New predicate. (Analyze_Package_Instantiation): Use it to decide whether to add a pending instantiation for the body of the package. 2019-08-19 Olivier Hainque <hainque@adacore.com> * gcc-interface/trans.c (Acc_Loop_to_gnu): Return the openacc BIND_EXPR node we have constructed on purpose. Remove unused variable. 2019-08-19 Pierre-Marie de Rodat <derodat@adacore.com> * gcc-interface/lang.opt (fdump-scos): Define. * gcc-interface/misc.c (gnat_handle_option): Handle OPT_fdump_scos. 2019-08-14 Joffrey Huguet <huguet@adacore.com> * libgnat/a-cofuba.ads: Add a Length attribute to type Container. Add a type Array_Base which replaces the previous Elements attribute of Container. (Content_Init): New subprogram. It is used to initialize the Base attribute of Container. * libgnat/a-cofuba.adb (Resize): New subprogram. It is used to resize the underlying array of a container if necessary. (=, <=, Find, Get, Intersection, Length, Num_Overlaps, Set, Union): Update to match changes in type declarations. (Add): Modify body to damp the time and space cost in a specific case. (Content_Init): New subprogram. It is used to initialize the Base attribute of Container. (Remove): Modify body to damp the time and space cost in a specific case. 2019-08-14 Bob Duff <duff@adacore.com> * sem_ch13.adb (Get_Alignment_Value): Return 1 for Alignment 0, and do not give an error. * doc/gnat_rm/representation_clauses_and_pragmas.rst: Update the corresponding documentation. * gnat_rm.texi: Regenerate. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Add_Pending_Instantiation): Fix off-by-one error in the comparison against the maximum number of instantiations. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Add_Pending_Instantiation): Use greater-or-equal in the comparison against the maximum number of instantiations. 2019-08-14 Ed Schonberg <schonberg@adacore.com> * sem_aux.adb (Next_Rep_Item): If a node in the rep chain involves a Ghost aspect it may have been replaced by a null statement; use the original node to find next Rep_Item. * repinfo.adb (List_Entities): Do not list an Ignored Ghost_Entity, for which information may have been deleted. 2019-08-14 Bob Duff <duff@adacore.com> * sem_prag.ads, sem_prag.adb (Process_Compile_Time_Warning_Or_Error): In parameterless version, improve detection of whether we are in a generic unit to cover the case of an instance within a generic unit. (Process_Compile_Time_Warning_Or_Error): Rename the two-parameter version to be Validate_Compile_Time_Warning_Or_Error, and do not export it. Issue a warning if the condition is not known at compile time. The key point is that the warning must be given only for pragmas deferred to the back end, because the back end discovers additional values that are known at compile time. Previous changes in this ticket have enabled this by deferring to the back end without checking for special cases such as 'Size. (Validate_Compile_Time_Warning_Or_Error): Rename to be Defer_Compile_Time_Warning_Error_To_BE. * warnsw.ads, warnsw.adb (Warn_On_Unknown_Compile_Time_Warning): Add new switches -gnatw_c and -gnatw_C to control the above warning. * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Document new switches. * gnat_ugn.texi: Regenerate. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * sem_ch12.adb (Might_Inline_Subp): Rework comment and restrict the shortcut based on Is_Inlined to the back-end inlining case. 2019-08-14 Bob Duff <duff@adacore.com> * inline.adb (Check_And_Split_Unconstrained_Function): Ignore protected functions to get rid of spurious error. The transformation done by this procedure triggers legality errors in the generated code in this case. 2019-08-14 Bob Duff <duff@adacore.com> * sem_prag.adb (Process_Compile_Time_Warning_Or_Error): Defer processing to the back end in all cases where the pragma's condition is not known at compile time during the front end (except in generics), as opposed to detecting 'Size attributes and the like. This ensures that we take advantage of whatever can be compile-time known after running the back end, as opposed to having the front end guess what the back end can do. Remove a little duplicated code at the call site. * gnat1drv.adb (Post_Compilation_Validation_Checks): Unlock the Elists while in Validate_Compile_Time_Warning_Errors, because it does analysis and name resolution, which sometimes involves adding Elists. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * einfo.ads (Is_Called): Document new usage on E_Package entities. * einfo.adb (Is_Called): Accept E_Package entities. (Set_Is_Called): Likewise. * exp_ch6.adb (Expand_Call_Helper): Move code dealing with instances for back-end inlining to Add_Inlined_Body. * inline.ads: Remove with clauses for Alloc and Table. (Pending_Instantiations): Move to... * inline.adb: Add with clauses for Alloc, Uintp, Table and GNAT.HTable. (Backend_Instances): New variable. (Pending_Instantiations): ...here. (Called_Pending_Instantiations): New table. (Node_Table_Size): New constant. (Node_Header_Num): New subtype. (Node_Hash): New function. (To_Pending_Instantiations): New hash table. (Add_Inlined_Body): Bail out early for subprograms in the main unit or subunit. Likewise if the Is_Called flag is set. If the subprogram is an instance, invoke Add_Inlined_Instance. Call Set_Is_Called earlier. If the subrogram is within an instance, invoke Add_Inlined_Instance. Also deal with the case where the call itself is within an instance. (Add_Inlined_Instance): New procedure. (Add_Inlined_Subprogram): Remove conditions always fulfilled. (Add_Pending_Instantiation): Move the defence against ludicruous number of instantiations to here. When back-end inlining is enabled, associate an instantiation with its index in table and mark a few selected kinds of instantiations as always needed. (Initialize): Set Backend_Instances to No_Elist. (Instantiate_Body): New procedure doing the work extracted from... (Instantiate_Bodies): ...here. When back-end inlining is enabled, loop over Called_Pending_Instantiations instead of Pending_Instantiations. (Is_Nested): Minor tweak. (List_Inlining_Info): Also list the contents of Backend_Instances. * sem_ch12.adb (Might_Inline_Subp): Return early if Is_Inlined is set and otherwise set it before returning true. (Analyze_Package_Instantiation): Remove the defence against ludicruous number of instantiations. Invoke Remove_Dead_Instance instead of doing the removal manually if there is a guaranteed ABE. 2019-08-14 Gary Dismukes <dismukes@adacore.com> * exp_ch3.adb (Predef_Spec_Or_Body): For an equality operation of an interface type, create an expression function (that returns False) rather than declaring an abstract function. * freeze.adb (Check_Inherited_Conditions): Set Needs_Wrapper to False unconditionally at the start of the loop creating wrappers for inherited operations. 2019-08-14 Bob Duff <duff@adacore.com> * table.adb: Assert that the table is not locked when increasing Last, even if it doesn't cause reallocation. In other words, assert that on operations that MIGHT cause reallocation. * table.ads: Fix comment accordingly. 2019-08-14 Arnaud Charlet <charlet@adacore.com> * doc/gnat_ugn/gnat_and_program_execution.rst: Remove documentation of gnatelim. 2019-08-14 Bob Duff <duff@adacore.com> * sem_prag.adb (Validate_Compile_Time_Warning_Error): Attach the warning to the Sloc of the first pragma argument, rather than to the pragma itself. This is to make pragmas processed after the back end use the same Sloc as pragmas processed earlier, in the front end. There's no reason for this discrepancy, and it hinders further work on this ticket. 2019-08-14 Bob Duff <duff@adacore.com> * sem.ads (Inside_A_Generic): Remove the ??? comment. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * inline.ads (Pending_Descriptor): Delete. * inline.adb (Initialize): Do not initialize it. * sem_ch12.adb (Delay_Descriptors): Delete. (Analyze_Package_Instantiation): Call Set_Delay_Subprogram_Descriptors instead of Delay_Descriptors throughout. 2019-08-14 Bob Duff <duff@adacore.com> * exp_aggr.adb (Init_Hidden_Discriminants): Avoid processing the wrong discriminant, which could be of the wrong type. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * sem_ch12.adb (Analyze_Instance_And_Renamings): Do not reset the Is_Generic_Instance flag previously set on the package generated for the instantiation of a generic subprogram. 2019-08-14 Ed Schonberg <schonberg@adacore.com> * exp_ch4.adb (Expand_N_Quantified_Expression): Freeze explicitly the type of the loop parameter. 2019-08-14 Javier Miranda <miranda@adacore.com> * sem_util.adb (New_Copy_Tree.Copy_Node_With_Replacement): Update the Chars attribute of identifiers. 2019-08-14 Yannick Moy <moy@adacore.com> * sem_spark.adb, sem_spark.ads (Is_Legal): New function exposed for use in GNATprove, to test legality rules not related to permissions. (Check_Declaration_Legality): Extract the part of Check_Declaration that checks rules not related to permissions. (Check_Declaration): Call the new Check_Declaration_Legality. (Check_Type_Legality): Rename of Check_Type. Introduce parameters to force or not checking, and update a flag detecting illegalities. (Check_Node): Ignore attribute references in statement position. 2019-08-14 Yannick Moy <moy@adacore.com> * sem_spark.adb (Check_Old_Loop_Entry): New procedure to check correct use of Old and Loop_Entry. (Check_Node): Check subprogram contracts. (Check_Pragma): Check Loop_Variant. (Check_Safe_Pointers): Apply checking to library-level subprogram declarations as well, in order to check their contract. 2019-08-14 Yannick Moy <moy@adacore.com> * sem_spark.adb (Is_Subpath_Expression): Take into account conversion and qualification. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * sem_ch7.adb (Install_Private_Declarations) <Swap_Private_Dependents>: Do not rely solely on the Is_Child_Unit flag on the unit to recurse. (Uninstall_Declarations) <Swap_Private_Dependents>: New function. Use it to recurse on the private dependent entities for child units. 2019-08-14 Javier Miranda <miranda@adacore.com> * exp_aggr.adb (Is_CCG_Supported_Aggregate): Return False for arrays with bounds not known at compile time. 2019-08-14 Ed Schonberg <schonberg@adacore.com> * sem_util.adb (New_Copy_Tree, Visit_Entity): A quantified expression includes the implicit declaration of the loop parameter. When a quantified expression is copied during expansion, for example when building the precondition code from the generated pragma, a new loop parameter must be created for the new tree, to prevent duplicate declarations for the same symbol. 2019-08-14 Yannick Moy <moy@adacore.com> * sem_disp.adb (Check_Dispatching_Operation): Update assertion for the separate declarations created in GNATprove mode. * sem_disp.ads (Is_Overriding_Subprogram): Update comment. * sem_elab.adb (SPARK_Processor): Fix test for checking of overriding primitives. 2019-08-14 Eric Botcazou <ebotcazou@adacore.com> * inline.adb (Add_Inlined_Body): Tweak comments. (List_Inlining_Info): Also list information about non-main units. 2019-08-14 Gary Dismukes <dismukes@adacore.com> * sem_ch4.adb (Analyze_Selected_Component): In the case where the prefix is of a concurrent type, and the selected entity matching the selector is the first private declaration of the type (such as the first local variable in a task's body), set Is_Private_Op. 2019-08-14 Piotr Trojanek <trojanek@adacore.com> * einfo.adb (Is_Generic_Actual_Subprogram): Replace repeated calls to Ekind with Ekind_In. 2019-08-13 Richard Sandiford <richard.sandiford@arm.com> PR middle-end/91421 * gcc-interface/trans.c (gigi): Call set_decl_buillt_in_function. (Call_to_gnu): Use DECL_FE_FUNCTION_CODE instead of DECL_FUNCTION_CODE. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * ali.ads (Linker_Option_Record): Remove Original_Pos component. * ali.adb (Scan_ALI): Do not set it. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * sem_ch3.adb (Build_Derived_Concurrent_Type): Add a couple of local variables and use them. When the derived type fully constrains the parent type, rewrite it as a subtype of an implicit (unconstrained) derived type instead of the other way around. (Copy_And_Build): Deal with concurrent types and use predicates. (Build_Derived_Private_Type): Build the full derivation if needed for concurrent types too. (Build_Derived_Record_Type): Add marker comment. (Complete_Private_Subtype): Use predicates. 2019-08-13 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Check_Generic_Ancestor): New subprogram, aubsidiary to Build_Derived_Record_Type. to enforce the rule that a type extension declared in a generic body cznnot have an ancestor that is a generic formal (RM 3.9.1 (4/2)). The rule applies to all ancestors of the type, including interface progenitors. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * sem_ch3.adb (Build_Underlying_Full_View): Delete. (Complete_Private_Subtype): Do not set the full view on the private subtype here. If the full base is itself derived from private, do not re-derive the parent type but instead constrain an existing underlying full view. (Prepare_Private_Subtype_Completion): Do not get to the underlying full view, if any. Set the full view on the private subtype here. (Process_Full_View): Likewise. * sem_ch12.adb (Check_Generic_Actuals): Also set Is_Generic_Actual_Type on the full view if the type of the actual is private. (Restore_Private_Views): Also reset Is_Generic_Actual_Type on the full view if the type of the actual is private. * sem_eval.adb (Subtypes_Statically_Match): Remove bypass for generic actual types. 2019-08-13 Javier Miranda <miranda@adacore.com> * sem_res.adb (Resolve_Selected_Component): When the type of the component is an access to a class-wide type and the type of the context is an access to a tagged type the relevant type is that of the component (since in such case we may need to generate implicit type conversions or dispatching calls). 2019-08-13 Ed Schonberg <schonberg@adacore.com> * exp_aggr.adb (Aggr_Assignment_OK_For_Backend): Preanalyze expression, rather do a full analysis, to prevent unwanted removal of side effects which mask the intent of the expression. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * impunit.adb (Non_Imp_File_Names_95): Add GNAT.Branch_Prediction. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * exp_ch6.adb: Remove with and use clauses for Sem_Ch12. (Expand_Call_Helper): Swap the back-end inlining case and the special front-end expansion case. In back-end inlining mode, do not invoke Add_Inlined_Body unless the call may be inlined. * inline.ads (Add_Pending_Instantiation): New function moved from... * inline.adb (Add_Inlined_Body): Simplify comment. Turn test on the enclosing unit into assertion. (Add_Pending_Instantiation): New function moved from... * sem_ch12.ads (Add_Pending_Instantiation): ...here. * sem_ch12.adb (Add_Pending_Instantiation): ...here. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * sem.adb (Do_Analyze): Recompute Style_Check_Max_Line_Length after restoring Style_Max_Line_Length. 2019-08-13 Arnaud Charlet <charlet@adacore.com> * sem_ch13.adb (Check_Iterator_Functions): Protect against cascaded errors. 2019-08-13 Ed Schonberg <schonberg@adacore.com> * sem_ch8.adb (Analyze_Subprogram_Renaming): Do no suppress mode conformance checks on child unit instance that is a compilation unit. 2019-08-13 Gary Dismukes <dismukes@adacore.com> * exp_dbug.adb (Fully_Qualify_Name): Add full name qualification for the E_Exception case. 2019-08-13 Gary Dismukes <dismukes@adacore.com> * exp_aggr.adb (Aggr_Size_OK): Compute the aggregate size using universal arithmetic, to avoid situations where the size computation overflows. 2019-08-13 Justin Squirek <squirek@adacore.com> * repinfo.adb (List_Scalar_Storage_Order): Modify conditionals for displaying ordering to always be triggered when -gnatR4 is in effect. 2019-08-13 Justin Squirek <squirek@adacore.com> * aspects.adb, aspects.ads: Register new aspect. * par-prag.adb (Prag): Register new pragma * sem_ch13.adb (Analyze_Aspect_Specifications): Add processing for new aspect similar to Aspect_Max_Entry_Queue_Length. * sem_prag.adb, sem_prag.ads (Analyze_Pragma): Register new pragma and set it to use the same processing as Pragma_Max_Queue_Length. * snames.ads-tmpl: Move definition of Name_Max_Entry_Queue_Length so that it can be processed as a pragma in addition to a restriction and add an entry for the pragma itself. 2019-08-13 Yannick Moy <moy@adacore.com> * sem_ch4.adb (Analyze_Allocator): Do not insert subtype declaration for allocator inside a spec expression. 2019-08-13 Yannick Moy <moy@adacore.com> * sem_res.adb (Resolve_Call): Do not inline calls inside record types. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * sem_ch4.adb (Analyze_One_Call): Remove bypass for type mismatch in nested instantiations. * sem_ch8.adb (Find_Nearer_Entity): New function. (Find_Renamed_Entity): Use it to disambiguate the candidates for the renaming generated for an instantiation when it is ambiguous. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * gnat1drv.adb (Adjust_Global_Switches): Do not set Back_End_Inlining in ASIS mode either. 2019-08-13 Olivier Hainque <hainque@adacore.com> * libgnat/s-win32.ads: Define size_t and fix the MapViewOfFile binding to use it instead of DWORD for the dwNumberOfBytesToMap argument. * libgnat/g-sercom__mingw.adb (Read): State which definition of size_t to fetch in call to Last_Index. 2019-08-13 Arnaud Charlet <charlet@adacore.com> * gcc-interface/Make-lang.in: Remove unused TRACE variable. Pass LN_S to relevant gnatlib targets. * gcc-interface/Makefile.in: Systematically pass LN_S to relevant gnatlib targets. 2019-08-13 Yannick Moy <moy@adacore.com> * sem_dim.adb (Analyze_Dimension, Analyze_Dimension_Array_Aggregate, Analyze_Dimension_Call, Analyze_Dimension_Extension_Or_Record_Aggregate): Return immediately when inside an inlined body. * sem_res.adb (Resolve_Call): Remove special checking now done inside Analyze_Dimension_Call. 2019-08-13 Justin Squirek <squirek@adacore.com> * exp_ch4.adb (Expand_N_Allocator): Add condition to detect library-level object declarations 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_ugn/building_executable_programs_with_gnat.rst (-gnateT): Document Double_Float_Alignment parameter and fix description of Double_Scalar_Alignment parameter. * gnat_ugn.texi: Regenerate. 2019-08-13 Eric Botcazou <ebotcazou@adacore.com> * exp_ch6.adb (Expand_Call_Helper): If back-end inlining is enabled, also instantiate the body of a generic unit containing a subprogram subject to aspect/pragma Inline_Always at optimization level zero. * sem_ch12.adb (Might_Inline_Subp): Minor tweak. (Analyze_Package_Instantiation): Do not instantiate the package body because of inlining considerations if the instantiation is done in a generic unit. Move around similar condition involving the main unit. Add test on Back_End_Inlining to processing for front-end inlining. 2019-08-13 Javier Miranda <miranda@adacore.com> * exp_disp.adb (Make_Secondary_DT): Handle record type derivations that have interface components located at fixed positions and interface components located at variable offset. The offset of components located at fixed positions is computed using the dummy object (similar to the case where all the interface components are located at fixed positions). (Make_DT): Build the dummy object for all tagged types that implement interface types (that is, build it also for types with variable size components), and use the dummy object to compute the offset of all tag components located at fixed positions when initializing the Interface_Table object. 2019-08-13 Justin Squirek <squirek@adacore.com> * gnatcmd.adb (GNATCmd): Add constant for new compiler switch --help-ada, and include usage subprogram. Add line to usage help explaining the new flag. (GNATCmd_Usage): Rename from locally declared Usage so as not to confuse with the newly imported version. Add new argument case for --help-ada and add bug report email to implicit display of help without the --help flag so as to unify output between the two cases. 2019-08-13 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-comlin.adb (Getopt): Quote unrecognized switch in Invalid_Switch exception message. 2019-08-13 Yannick Moy <moy@adacore.com> * sem_util.adb (Traverse_More_Func): Take into account Loop_Actions inside N_Iterated_Component_Association nodes. * sinfo.ads: Document correctly Loop_Actions as a field of nodes of kind N_Iterated_Component_Association. 2019-08-13 Claire Dross <dross@adacore.com> * libgnat/a-cfinve.adb, libgnat/a-cofove.adb (Find_Index, Reverse_Find_Index): Use bigger type to avoid range check failure at the last loop iteration. 2019-08-12 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-socket.adb (Is_IPv6_Address): Check that no less then 2 colons in IPv6 numeric address. 2019-08-12 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-comlin.ads, libgnat/g-comlin.adb (Getopt): Add parameter Quiet. Need to do not output error messages to console. Invalid_Switch exception generation surrounded by an error message. 2019-08-12 Ed Schonberg <schonberg@adacore.com> * exp_ch6.adb (Expand_Actuals. Add_Call_By_Copy_Code): Add code to generate proper checks when an actual for an in-out or out parameter has a non-null access type. No constraints are applied to an inbound access parameter, but on exit a not-null check must be performed if the type of the actual requires it. 2019-08-12 Ed Schonberg <schonberg@adacore.com> * sem_util.adb (Is_Expaned_Priority_Attribute): Check whether call comes from a rewritten attribute before comparing name with Get_Ceiling run-time subprogram. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * exp_util.ads (Component_May_Be_Bit_Aligned): Small comment tweaks. (Possible_Bit_Aligned_Component): Likewise. (Type_May_Have_Bit_Aligned_Components): Likewise. * exp_util.adb (Component_May_Be_Bit_Aligned): Likewise. (Possible_Bit_Aligned_Component): Likewise. (Type_May_Have_Bit_Aligned_Components): Likewise. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * exp_ch4.adb (Expand_N_Op_Eq): Expand the array equality if either operand is a possibly unaligned slice. * exp_ch6.adb (Expand_Simple_Function_Return): Do not generate a copy for a possibly unaligned object if it is represented as a scalar. * exp_util.adb (Is_Possibly_Unaligned_Slice): Do not always return false if the target doesn't have strict alignment. 2019-08-12 Bob Duff <duff@adacore.com> * sem_ch12.adb (Instantiate_Package_Body): Remove suppression of checks in instances of internal units. * sem_ch6.adb (Analyze_Function_Return): Do not generate a constraint check on an extended_return_statement if the subtype of the return object in the statement is identical to the return subtype of the function. 2019-08-12 Bob Duff <duff@adacore.com> * libgnat/a-cbmutr.adb (Is_Reachable): Declare Idx to be of the base subtype. Clearly it makes no sense to loop "while Idx >= 0", if Idx is of a nonnegative subtype. 2019-08-12 Bob Duff <duff@adacore.com> * libgnat/a-tifiio.adb (Put_Scaled): Prevent AA from being negative, since Field is range 0 .. something. 2019-08-12 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst (gnatmetric, gnatpp, gnatstub): Remove documentation for Ada language version switches, and note that they are no longer needed. 2019-08-12 Gary Dismukes <dismukes@adacore.com> * sem_ch5.adb (Prepare_Param_Spec_Loop): Set the parents of the copied low and high bounds in the case where the loop range is given by a discrete_subtype_indication, to prevent hanging (or Assert_Failure) in Insert_Actions. 2019-08-12 Ed Schonberg <schonberg@adacore.com> * sem_ch6.adb (heck_Untagged_Equality): Verify that user-defined equality has the same profile as the predefined equality before applying legality rule in RM 4.5.2 (9.8). 2019-08-12 Bob Duff <duff@adacore.com> * libgnat/a-except.ads: Update obsolete comment, still making clear that this is a variant. Add explicit default for Id component of Exception_Occurrence, because that value is used. Define Null_Occurrence less redundantly. * libgnat/a-einuoc.adb: Minor simplification of code. 2019-08-12 Justin Squirek <squirek@adacore.com> * libgnat/a-dhfina.adb, libgnat/a-dhfina.ads (Is_Simple_Name, Is_Root_Directory, Is_Parent_Directory, Is_Current_Directory_Name, Is_Relative_Name, Initial_Directory, Relative_Name, Compose): Add implementation and documentation. * libgnat/a-direct.adb (Containing_Directory): Modify routine to use routines from Ada.Directories.Hierarchical_File_Names and remove incorrect special case for parent directories. (Fetch_Next_Entry): Add check for current directory and parent directory and ignore them under certain circumstances. (Simple_Nmae): Add check for null result from Simple_Name_Internal and raise Name_Error. (Simple_Name_Internal): Add explicit check for root directories, sanitize trailing directory separators, and modify behavior so that current and parent directories are considered valid results. * Makefile.rtl: Add entry to GNATRTL_NONTASKING_OBJS. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * freeze.adb (Freeze_Entity): Give the same error for an Object_Size clause on a variable-sized type as for a Size clause. 2019-08-12 Gary Dismukes <dismukes@adacore.com> * sem_prag.adb (Analyze_Pragma, Pragma_Suppress_Initialization): For private types, set the Suppress_Initialization flag on the Full_View of the entity rather than the entity's base type. 2019-08-12 Yannick Moy <moy@adacore.com> * aspects.adb, aspects.ads (Aspect_No_Caching): New aspect. * contracts.adb, contracts.ads (Add_Contract_Item): Add handling of No_Caching. (Analyze_Object_Contract): Add handling of No_Caching. * einfo.adb, einfo.ads (Get_Pragma): Add handling of No_Caching. * doc/gnat_rm/implementation_defined_aspects.rst, doc/gnat_rm/implementation_defined_pragmas.rst: Document new aspect/pragma. * gnat_rm.texi: Regenerate. * par-prag.adb (Prag): New pragma Pragma_No_Caching. * sem_ch13.adb (Analyze_Aspect_Specifications, Check_Aspect_At_Freeze_Point): Add handling of No_Caching. * sem_prag.adb (Analyze_Pragma): Deal with pragma No_Caching. * sem_prag.ads (Analyze_External_Property_In_Decl_Part): Now applies to No_Caching. * sem_util.adb, sem_util.ads (Is_Effectively_Volatile): Add handling of No_Caching. (No_Caching_Enabled): New query function. * snames.ads-tmpl: New names for pragma. 2019-08-12 Yannick Moy <moy@adacore.com> * sem_util.adb, sem_util.ads (Traverse_More_Func, Traverse_More_Proc): Add formal parameter for Itypes traversal. 2019-08-12 Yannick Moy <moy@adacore.com> * exp_attr.adb, exp_attr.ads (Expand_Size_Attribute): New procedure to share part of the attribute expansion with GNATprove mode. (Expand_N_Attribute_Reference): Extract part of the Size/Object_Size expansion in the new procedure Expand_Size_Attribute. * exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Expand Size/Object_Size attributes using the new procedure Expand_Size_Attribute. 2019-08-12 Yannick Moy <moy@adacore.com> * exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Only expand Enum_Rep attribute when its parameter is a literal. 2019-08-12 Justin Squirek <squirek@adacore.com> * sem_eval.adb (Check_Non_Static_Context): Add a condition to determine if a range violation constitues a warning or an error. (Out_Of_Range): Add a condition to determine if a range violation constitues a warning or an error. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * exp_ch4.adb (Real_Range_Check): Do not rewrite the conversion node but its expression instead, after having fetched its current value. Clear the Do_Range_Check flag on entry. Return early for a rewritten float-to-float conversion. Remove redundant local variable. Suppress all checks when inserting the temporary and do not reanalyze the node. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * sprint.ads: Minor comment tweak. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Insert_Valid_Check): Do not retrieve the Do_Range_Check flag from the Original_Node but from the Validated_Object. Remove useless bypass for floating-point types. 2019-08-12 Yannick Moy <moy@adacore.com> * sem_util.adb, sem_util.ads (Traverse_More_Func, Traverse_More_Proc): New traversal subprograms. 2019-08-12 Jerome Lambourg <lambourg@adacore.com> * libgnarl/s-taprop__vxworks.adb (Abort_Handler): Only call s-tpopsp.Self when actually needed. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * exp_ch4.adb (Discrete_Range_Check): Return if checks are suppressed. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * sem_res.adb: Add with & use clause for Sem_Mech and alphabetize. (Resolve_Actuals): Do not apply a scalar range check for the source of a conversion whose result is passed by reference to a valued procedure. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Insert_Valid_Check): Reset the Do_Range_Check flag on the validated object. * exp_ch6.adb (Add_Call_By_Copy_Code): Reset the Do_Range_Check flag on the actual here, as well as on the Expression if the actual is a N_Type_Conversion node. (Add_Validation_Call_By_Copy_Code): Generate the incoming range check if needed and reset the Do_Range_Check flag on the Expression if the actual is a N_Type_Conversion node. (Expand_Actuals): Do not reset the Do_Range_Check flag here. Generate the incoming range check for In parameters here instead of... (Expand_Call_Helper): ...here. Remove redudant condition. * sem_res.adb (Resolve_Actuals): Use local variable A_Typ and remove obsolete comments. (Resolve_Type_Conversion): Do not force the Do_Range_Check flag on the operand if range checks are suppressed. 2019-08-12 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Activate_Range_Check): Remove redundant argument. (Generate_Range_Check): Likewise. (Apply_Float_Conversion_Check): Reset the Do_Range_Check flag on entry and remove redundant condition. 2019-08-02 Alexandre Oliva <oliva@adacore.com> * libgnat/a-exexpr.adb (Begin_Handler_v1, End_Handler_v1): New. (Claimed_Cleanup): New. (Begin_Handler, End_Handler): Document. * gcc-interface/trans.c (gigi): Switch to exception handler ABI #1. (Exception_Handler_to_gnu_gcc): Save the original cleanup returned by begin handler, pass it to end handler, and use EH_ELSE_EXPR to pass a propagating exception to end handler. (gnat_to_gnu): Leave the exception pointer alone for reraise. (add_cleanup): Handle EH_ELSE_EXPR, require it by itself. 2019-07-23 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Check_Aspect_At_End_Of_Declarations, Freeze_Entity_Checks): Include Aspect_CPU with other aspects whose expresssion may depend on a discriminant, and thus require that components of the type be made visible. 2019-07-23 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Convert_And_Check_Range): Add Suppress parameter and pass it in the call to Insert_Actions. Rename local variable. (Generate_Range_Check): Minor comment fixes. Pass Range_Check in the first call to Convert_And_Check_Range and All_Checks in the second call. * exp_ch4.adb (Expand_N_Type_Conversion): Reset the Do_Overflow_Check flag in the float-to-float case too if there is also a range check. 2019-07-23 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Activate_Overflow_Check): Remove redundant argument. * exp_ch4.adb (Discrete_Range_Check): Reset the overflow flag. (Expand_N_Type_Conversion): Do not reset it here. 2019-07-23 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Component_Layout): Pass Decimal to UI_Write. (Write_Val): Likewise. 2019-07-23 Ed Schonberg <schonberg@adacore.com> * aspects.ads: New table Operational_Aspect, used to distinguish between aspects that are view-specific, such as those related to iterators, and representation aspects that apply to all views of a type. * aspects.adb (Find_Aspect): If the aspect being sought is operational, do not ecamine the full view of a private type to retrieve it. * sem_ch5.adb (Analyze_Iterator_Specification): Improve error message when the intended domain of iteration does not implement the required iterator aspects. 2019-07-23 Yannick Moy <moy@adacore.com> * sem_spark.ads (Is_Local_Context): New function. * sem_spark.adb (Check_Declaration): Issue errors on violations of SPARK RM 3.10(4) (Process_Path): Do not issue error on borrow/observe during elaboration, as these are caught by the new rule. 2019-07-23 Yannick Moy <moy@adacore.com> * exp_ch7.adb (Create_Finalizer): Force finalizer not to be Ghost enabled. * exp_dbug.adb (Get_External_Name): Explain special case of Ghost finalizer. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Entities): Also list compiled-generated types present as Etype of objects. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sinfo.ads: Update the documentation about the Do_Division_Check, Do_Overflow_Check and Do_Range_Check flags. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * exp_ch4.adb (Expand_N_Type_Conversion): Beef up comment. (Fixup_Universal_Fixed_Operation): Set the base type instead of the type of the enclosing type conversion on the operation. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * exp_ch4.adb (Expand_N_In): Do not suggest the use of attribute 'Valid as a replacement for a range check on a discrete type when the bounds of the range are given by type conversions, because in such a case there are distinct types involved and the subbested attribute replacement would be misplaced. 2019-07-22 Yannick Moy <moy@adacore.com> * sem_spark.adb (Get_Root_Object, Is_Path_Expression, Is_Subpath_Expression): Add parameter Is_Traversal to adapt these functions to the case of paths returned from a traversal function. (Read_Indexes): Handle the case of an if-expression or case-expression. (Check_Statement): Check Emit_Messages only when issuing an error message. This is important as Emit_Messages may store the information that an error was detected. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * checks.adb (Apply_Type_Conversion_Checks): Do not set Do_Range_Check flag on conversions from fixed-point types either. * exp_attr.adb: Add use and with clause for Expander. (Expand_N_Attribute_Reference) <Fixed_Value, Integer_Value>: Set the Conversion_OK flag and do not generate overflow/range checks manually. * exp_ch4.adb (Expand_N_Qualified_Expression): Remove superfluous clearing of Do_Range_Check flag. (Discrete_Range_Check): New procedure to generate a range check for discrete types. (Real_Range_Check): Remove redundant local variable and adjust. Remove useless shortcut. Clear Do_Range_Check flag on all paths. (Expand_N_Type_Conversion): Remove redundant test on Conversion_OK. Call Discrete_Range_Check to generate range checks on discrete types. Remove obsolete code for float-to-integer conversions. Add code to generate range checks for conversions involving fixed-point types. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sprint.ads: Fix pasto in comment. 2019-07-22 Javier Miranda <miranda@adacore.com> * sem_res.adb (Resolve_Actuals): Replace code that displaces the pointer to an allocated object to reference its secondary dispatch table by a type conversion (which takes care of handling all cases). 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sprint.adb (Sprint_Node_Actual) <N_Decimal_Fixed_Point_Definition>: Swap a couple of spaces. (Write_Itype): Minor consistency fixes throughout. Add support for printing ordinary and decimal fixed-point types and subtypes. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * exp_attr.adb (Expand_Loop_Entry_Attribute): Beef up comment. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * libgnat/s-valboo.ads, libgnat/s-valcha.ads, libgnat/s-valdec.ads, libgnat/s-valenu.ads, libgnat/s-valint.ads, libgnat/s-vallld.ads, libgnat/s-vallli.ads, libgnat/s-valllu.ads, libgnat/s-valrea.ads, libgnat/s-valuns.ads, libgnat/s-valwch.ads: Change categorization of packages that implement attribute 'Value from Pure to Preelaborate, to prevent undesirable optimizations when the evaluation of the attribute raises Constraint_Error, but subsequent use of the result of this evsaluation is removed by a subsequent optimization. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * sem_warn.adb (Check_References): Do not emit s warning on a referenced entity with no explicit assignment if the type of the entity has Preelaborable_Initialixation, such as Exception_Occurrence. 2019-07-22 Javier Miranda <miranda@adacore.com> * exp_ch4.adb (Size_In_Storage_Elements): Improve the expansion to handle array indexes that are modular type. (Expand_N_Allocator): For 32-bit targets improve the generation of the runtime check associated with large arrays supporting arrays initialized with a qualified expression. * libgnat/s-imenne.adb (Image_Enumeration_8, Image_Enumeration_16, Image_Enumeration_32): Define the index of Index_Table with range Natural'First .. Names'Length since in the worst case all the literals of the enumeration type would be single letter literals and the Table built by the frontend would have as many components as the length of the names string. As a result of this enhancement, the internal tables declared using Index_Table have a length closer to the real needs, thus avoiding the declaration of large arrays on 32-bit CCG targets. 2019-07-22 Yannick Moy <moy@adacore.com> * sem_ch3.adb (Constrain_Access): Issue a message about ignored constraint. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sem_ch8.adb (End_Use_Type): Reset the In_Use flag on the class-wide type if the type is tagged. (Use_One_Type): Add commentary on the handling of the class-wide type. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * einfo.ads (Is_For_Access_Subtype): Delete. (Set_Is_For_Access_Subtype): Likewise. * einfo.adb (Is_For_Access_Subtype): Likewise. (Set_Is_For_Access_Subtype): Likewise. (Write_Entity_Flags): Do not write Is_For_Access_Subtype. * exp_ch4.adb (Expand_N_Selected_Component): Do not deal with it. * exp_spark.adb (Expand_SPARK_N_Selected_Component): Likewise. * sem_ch4.adb (Analyze_Explicit_Dereference): Likewise. * sem_ch3.adb (Build_Discriminated_Subtype): Do not build a special private subtype for access-to-record subtypes. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sem_ch3.adb (Complete_Private_Subtype): Rework the setting of the Etype of the full view for full base types that cannot contain any discriminant. Remove code and comment about it in the main path. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Convert_Bound): Subsidiary of Floating_Point_Type_Declaration, to handle properly range specifications with bounds that may include static constants of a given type rather than real literals. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sem_aggr.adb (Rewrite_Bound): Be prepared for discriminals too. (Rewrite_Range;): Minor tweak. (Resolve_Record_Aggregate): For a component with default initialization whose expression is an array aggregate, also rewrite the bounds of the component associations, if any. 2019-07-22 Gary Dismukes <dismukes@adacore.com> * exp_ch5.adb (Expand_N_Case_Statement): In the case where a case statement is rewritten as an equivalent if statement, inherit the From_Condition_Expression flag from the case statement. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sem_ch8.adb (Check_Constrained_Object): Further extend the special optimization to all limited types. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * exp_attr.adb (Expand_N_Attribute_Reference) <Attribute_Enum_Val>: Set No_Truncation on the N_Unchecked_Type_Conversion built around the argument passed to the attribute. 2019-07-22 Nicolas Roche <roche@adacore.com> * libgnat/s-valrea.adb (Scan_Real): Ignore non significative digits to avoid converging to infinity in some cases. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * libgnat/g-encstr.adb (Encode_Wide_String): Fix oversight. (Encode_Wide_Wide_String): Likewise. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * sem_warn.adb (Find_Var): Bail out for a function call with an Out or In/Out parameter. 2019-07-22 Nicolas Roche <roche@adacore.com> * terminals.c (__gnat_tty_waitpid): Support both blocking and not blocking mode. * libgnat/g-exptty.ads (Is_Process_Running): New function. * libgnat/g-exptty.adb (Close): Don't try to interrupt/terminate a process if it is already dead. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * freeze.adb (Freeze_Fixed_Point_Type): When freezing a fixed-point subtype, check whether the parent type declarastion includes an aspect specification for the 'Small type attribute, and inherit the specified value. 2019-07-22 Javier Miranda <miranda@adacore.com> * freeze.adb (Freeze_Subprogram): Check that C++ constructors must have external or link name. 2019-07-22 Ed Schonberg <schonberg@adacore.com> * sem_res.adb (Resolve_Selected_Component): If the prefix has a deferred reference, generate the correct reference now, to indicate that the previous assignment is used. This prevents spurious warnings on useless assignments when compiling with all warnings enabled. when there is a subsequent call in the same stqtement list, in which the prefix of the selected component is the actual for an out parameter. 2019-07-22 Eric Botcazou <ebotcazou@adacore.com> * exp_attr.adb (Expand_Loop_Entry_Attribute): Copy the condition of a while loop instead of simply relocating it. 2019-07-18 Arnaud Charlet <charlet@adacore.com> * Makefile.rtl, expect.c, env.c, aux-io.c, mkdir.c, initialize.c, cstreams.c, raise.c, tracebak.c, adadecode.c, init.c, raise-gcc.c, argv.c, adaint.c, adaint.h, ctrl_c.c, sysdep.c, rtinit.c, cio.c, seh_init.c, exit.c, targext.c: Introduce a "STANDALONE" mode where C runtime files do not have any dependency on GCC include files. Remove unnecessary includes. Remove remaining references to VMS in runtime C file. * runtime.h: new File. 2019-07-13 Andreas Schwab <schwab@linux-m68k.org> * Makefile.rtl: Use g-sercom__linux.adb for all linuxes. 2019-07-11 Piotr Trojanek <trojanek@adacore.com> * lib-writ.adb (Ensure_System_Dependency, Up_To_Date_ALI_File_Exists, Write_ALI): Replace low-level access to table with a high-level query. 2019-07-11 Piotr Trojanek <trojanek@adacore.com> * checks.adb: Fix typo in comment. * sem.adb (Semantics): Avoid repeated calls to In_Extended_Main_Source_Unit by reusing an already-cached result. * sem_util.adb (First_Global): Fix style. 2019-07-11 Yannick Moy <moy@adacore.com> * sem_res.adb (Resolve_Call): Do not perform dimensionality checking on inlined bodies. 2019-07-11 Yannick Moy <moy@adacore.com> * debug.adb: Flip meaning of debug switch -gnatdF. 2019-07-11 Yannick Moy <moy@adacore.com> * sem_eval.adb (Is_Same_Value): Add special case for rewritten Loop_Entry attribute. 2019-07-11 Claire Dross <dross@adacore.com> * gnat1drv.adb: SPARK checking rules for pointer aliasing are moved to GNATprove backend. * sem_spark.ads, sem_spark.adb (Sem_SPARK): Is now a generic unit. Takes as parameters: - Retysp which is used to query the most underlying type visible in SPARK. We do not introduce aliasing checks for types which are not visibly deep. - Component_Is_Visible_In_SPARK is used to avoid doing pointer aliasing checks on components which are not visible in SPARK. - Emit_Messages returns True in the second phase of SPARK analysis. Error messages for failed aliasing checks are only output in this case. Additionally, errors on constructs not supported in SPARK are removed as duplicates of marking errors. Components are stored in the permission map using their original component to avoid inconsistencies between components of different views of the same type. (Check_Expression): Handle delta constraints. (Is_Deep): Exported so that we can check for SPARK restrictions on deep types inside SPARK semantic checkings. (Is_Traversal_Function): Exported so that we can check for SPARK restrictions on traversal functions inside SPARK semantic checkings. (Check_Call_Statement, Read_Indexes): Check wether we are dealing with a subprogram pointer type before querying called entity. (Is_Subpath_Expression): Image attribute can appear inside a path. (Check_Loop_Statement): Correct order of statements in the loop. (Check_Node): Ignore raise nodes. (Check_Statement): Use Last_Non_Pragma to get the object declaration in an extended return statement. 2019-07-11 Patrick Bernardi <bernardi@adacore.com> * bindgen.adb (Gen_Main): Do not generate a reference to Ada_Main_Program_Name when the Minimal_Binder flag is set. (Gen_Output_File_Ada): Do not output GNAT_Version and Ada_Main_Program_Name info if Minimal_Binder flag is set. * bindusg.adb: Add documentation for new -minimal switch. * gnatbind.adb (Scan_Bind_Arg): Scan -minimal switch. * opt.ads: Add new global flag Minimal_Binder to indicate if the binder should not produce global variables. * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Update documentation with new binder -minimal switch. * gnat_ugn.texi: Regenerate. 2019-07-11 Eric Botcazou <ebotcazou@adacore.com> * Makefile.rtl: Add warning note about compilation flags and capitalize. 2019-07-11 Ed Schonberg <schonberg@adacore.com> * exp_ch9.adb (Expand_N_Protected_Type_Declaaration): New subsidiary routine Replace_Access_Definition, to handle properly a protected type PT one of whose private components is of type access PT. 2019-07-11 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-socket.ads (Level_Type): Add enumerators for IP_Protocol_For_ICMP, IP_Protocol_For_IGMP, IP_Protocol_For_RAW_Level. * libgnat/g-socket.adb (Levels): Handle them. * s-oscons-tmplt.c: Import socket protocols defined in netinet/in.h. 2019-07-11 Claire Dross <dross@adacore.com> * libgnat/a-cfhama.adb, libgnat/a-cfhase.adb (Free): Do not reset the Has_Element flag if no element is freed. 2019-07-11 Arnaud Charlet <charlet@adacore.com> * errno.c: Remove obsolete support for MaRTE OS. 2019-07-11 Ed Schonberg <schonberg@adacore.com> * exp_ch4.adb (Expand_N_Type_Conversion): If a predicate check is generated, analyze it with range check suppressed, because that check has been previously applied. * exp_ch5.adb (Expand_N_Assignment_Statement): If the RHS is a type conversion to the type of the LHS, do not apply a predicate check to the RHS because it will have been generated already during its expansion. * exp_ch6.adb (Can_Fold_Predicate_Call): Extend processing to handle a predicate check on a constant entity whose value is static. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * bindo.adb: Remove the documentation of switch -d_N because it is no longer in use. * bindo-graphs.ads, bindo-graphs.adb (Is_Spec_Before_Body_Edge): New routine. * bindo-writers.adb (Write_Dependency_Edge): Add the missing case of a spec-before-body edge. 2019-07-11 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-socket.ads (Mode_Type): Add a Socket_Raw enumerator. * libgnat/g-socket.adb (Modes): Handle Socket_Raw. 2019-07-11 Justin Squirek <squirek@adacore.com> * exp_ch9.adb (Build_Private_Protected_Declaration): Add exception for the moving of pragmas to internally generated specs for pragma Unreferenced. 2019-07-11 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Fix inconsistent documentation for gnatmetric. * gnat_ugn.texi: Regenerate. 2019-07-11 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document gnatpp's --spaces-only switch. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * sem_util.adb (Null_Status): Assume that an erroneous construct has an undefined null status. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * checks.adb, exp_ch6.adb, gnat1drv.adb, sem_aux.adb, sem_ch2.adb, sem_ch8.adb, sem_res.adb: Minor reformatting. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * sem_ch8.adb (Analyze_Object_Renaming): Obtain the object being renamed using routine Get_Object_Name which takes care of various name forms. (Get_Object_Name): New routine. 2019-07-11 Ed Schonberg <schonberg@adacore.com> * exp_ch6.adb (Can_Fold_Predicate_Call): New function, subsidiary of Expand_Call_Helper, to compute statically a predicate check when the argument is a static integer. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * sem_res.adb (Resolve_Op_Not): Do not rewrite an equality operator into a function call when the operator is intrinsic. 2019-07-11 Thomas Quinot <quinot@adacore.com> * sem_prag.adb (Analyze_Pragma, case pragma Check): Do not call Set_SCO_Pragma_Enabled for the dynamic predicate case. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * exp_util.ads, exp_util.adb (Needs_Finalization): Move to Sem_Util. * sem_ch9.adb (Analyze_Protected_Definition): Code cleanup. Mark the protected type as having controlled components when it contains at least one such component. * sem_util.ads, sem_util.adb (Needs_Finalization): New function. 2019-07-11 Eric Botcazou <ebotcazou@adacore.com> * alloc.ads (Rep_JSON_Table_Initial): New constant. (Rep_JSON_Table_Increment): Likewise. * debug.adb: Document -gnatd_j switch. * gcc-interface/Make-lang.in (GNAT_ADA_OBJS): Add repinfo-input.o. * gnat1drv.adb: Add with clause for Repinfo.Input. Add with and use clauses for Sinput. (Read_JSON_Files_For_Repinfo): New procedure. (Gnat1drv1): Deal with -gnatd_j switch. * repinfo-input.ad[sb]: New unit. * snames.ads-tmpl (Name_Discriminant): New constant. (Name_Operands): Likewise. 2019-07-11 Justin Squirek <squirek@adacore.com> * checks.adb (Apply_Accessibility_Check): Add check for constant folded conditions on accessibility checks. 2019-07-11 Arnaud Charlet <charlet@adacore.com> * libgnarl/g-thread.ads, libgnarl/g-thread.adb (Get_Thread): Update comments. Add new version taking a Task_Id. 2019-07-11 Hristian Kirtchev <kirtchev@adacore.com> * bindo.adb: Update the section of switches and debugging elaboration issues. * bindo.ads: Add type Elaboration_Phase. * bindo-augmentors.adb: Add use clause for Bindo.Writers.Phase_Writers. (Augment_Library_Graph): Signal the start and end of the aubmentation phase. * bindo-builders.adb: Add with and use clause for Bindo.Writers. Add use clause for Bindo.Writers.Phase_Writers. (Build_Invocation_Graph): Signal the start and end of the invocation graph construction phase. (Build_Library_Graph): Signal the start and end of the library graph construction phase. * bindo-diagnostics.adb: Add use clause for Bindo.Writers.Phase_Writers. (Diagnose_Cycle): Signal the start and end of the cycle diagnostic phase. * bindo-elaborators.adb: Add use clause for Bindo.Writers.Phase_Writers. (Elaborate_Units): Signal the start and end of the unit elaboration phase. * bindo-graphs.adb: Add use clause for Bindo.Writers.Phase_Writers. (Find_Components): Signal the start and end of the component discovery phase. (Find_Cycles): Signal the start and end of the cycle discovery phase. * bindo-units.adb: Add with and use clause for Bindo.Writers. Add use clause for Bindo.Writers.Phase_Writers. (Collect_Elaborable_Units): Signal the start and end of the unit collection phase. * bindo-validators.adb: Add with and use clause for Bindo.Writers. Add use clause for Bindo.Writers.Phase_Writers. (Validate_Cycles, Validate_Elaboration_Order, Validate_Invocation_Graph, Validate_Library_Graph): Signal the start and end of the libray graph validation phase. * bindo-writers.ads, bindo-writers.adb: Add new nested package Phase_Writers. * debug.adb: Update the documentation of switch d_S. 2019-07-11 Yannick Moy <moy@adacore.com> * sem_res.adb (Check_Argument_Order): Special case calls to operators. 2019-07-10 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/s-ststop.adb: Remove System.Strings.Stream_Ops dependence on System.Streams.Stream_IO. 2019-07-10 Ed Schonberg <schonberg@adacore.com> * sem_ch2.adb (Analyze_Integer_Literal): Preserve the type of the literal if prior analysis determined that its type is a modular integer type. 2019-07-10 Doug Rupp <rupp@adacore.com> * init.c: Do not attempt to re-arm guard page on x86_64-vx7(r2). 2019-07-10 Ed Schonberg <schonberg@adacore.com> * sem_ch8.adb (Check_Constrained_Object): A record that is limited because of the presence of a limited component is constrained, and no subtype indiciation needs to be created for it, just as is the case for declared limited records. 2019-07-10 Yannick Moy <moy@adacore.com> * sem_aux.adb, sem_aux.ads (Is_Protected_Operation): New function to determine if a subprogram is protected. * sem_spark.adb (Setup_Protected_Components): New procedure to add protected components to the environment. (Check_Callable_Body): Call the new Setup_Protected_Components. (Check_Package_Spec): Merge local environment with enclosing one when done. 2019-07-10 Claire Dross <dross@adacore.com> * sem_spark.adb (Check_Expression): Allow digits constraints as input. (Illegal_Global_Usage): Pass in the entity. (Is_Subpath_Expression): New function to allow different nodes as inner parts of a path expression. (Read_Indexes): Allow concatenation and aggregates with box expressions. Allow attributes Update and Loop_Entry. (Check_Expression): Allow richer membership test. (Check_Node): Ignore bodies of generics. (Get_Root_Object): Allow concatenation and attributes. 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * sem_ch6.adb (Check_Discriminant_Conformance): Use Find_Type to discover the type of a full view discriminant. 2019-07-10 Arnaud Charlet <charlet@adacore.com> * doc/gnat_ugn/gnat_and_program_execution.rst: Improve gnatmem's doc for the depth switch. 2019-07-10 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document gnatpp's --source-line-breaks switch. 2019-07-10 Justin Squirek <squirek@adacore.com> * doc/gnat_rm/implementation_defined_attributes.rst: Add mention of 'Image attribute with 'Img's entry to mention additional added 2012 usage of Obj'Image. * doc/gnat_rm/implementation_defined_pragmas.rst: Correct mispelling of Async_Writers. * gnat_rm.texi: Regenerate. * sem_prag.adb (Analyze_Pragma): Correct mispelling of Async_Writers. * sem_util.adb (State_Has_Enabled_Property): Correct mispelling of Async_Writers. 2019-07-10 Simon Buist <buist@adacore.com> * sem_util.ads (Child_Prefix): New constant. * sem_util.adb (Unique_Name): Add a special prefix to child units that have a nested subprogram or package. 2019-07-10 Arnaud Charlet <charlet@adacore.com> * sfn_scan.adb (Scan_SFN_Pragmas): Add pragma Assert. 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * sem_ch3.adb (Check_Nonoverridable_Aspects): Correct the spelling in certain error messages. (Check_Pragma_Implemented): Correct the spelling in certain error messages. 2019-07-10 Eric Botcazou <ebotcazou@adacore.com> * Makefile.rtl (GNATRTL_NONTASKING_OBJS): Add g-brapre. * libgnat/g-brapre.ads: New package specification. * doc/gnat_rm/the_gnat_library.rst: Document it. * gnat_rm.texi: Regenerate. 2019-07-10 Yannick Moy <moy@adacore.com> * osint-c.adb (Set_File_Name): Always add extension for multiple units per file mode. 2019-07-10 Corentin Gay <gay@adacore.com> * sysdep.c: Put include directive for 'vxWorks.h' before any other VxWorks headers. 2019-07-10 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_rm/implementation_defined_attributes.rst (Scalar_Storage_Order): Minor tweaks. Add note about debuggers. * gnat_rm.texi: Regenerate. 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * exp_ch4.adb (Expand_N_Case_Expression): Mark the generated assignments to the temporary result as being OK because the expansion of case expressions is correct by construction. (Is_Copy_Type): Update the predicate to match the comment within. 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * bindo-graphs.adb, bindo.adb, debug.adb, exp_ch6.adb, sem_ch10.adb, sem_ch13.adb, sem_ch3.adb, sem_ch4.adb, sem_ch6.adb, sem_ch7.adb, sem_res.adb, sem_spark.adb, sem_util.adb, warnsw.ads: Minor reformatting. 2019-07-10 Joffrey Huguet <huguet@adacore.com> * libgnat/a-strbou.ads, libgnat/a-strfix.ads, libgnat/a-strunb.ads, libgnat/a-strunb__shared.ads: Add global contracts, contract cases, preconditions and postconditions to procedures and functions. 2019-07-10 Doug Rupp <rupp@adacore.com> * sysdep.c (__gnat_is_file_not_found_error): Reformulate to also work for vxworks7r2 SR0610. 2019-07-10 Doug Rupp <rupp@adacore.com> * env.c (__gnat_environ): Reformulate to also work for vxworks7r2 SR0610. 2019-07-10 Patrick Bernardi <bernardi@adacore.com> * Makefile.rtl: Handle vxworks7r2 ppc target 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * bindo.adb: Update the section on switches. * bindo-graphs.adb (Add_Cycle, Add_Vertex_And_Complement): Remove. (Create): The graph no longer needs a set of recorded cycles because the cycles are not rediscovered in permuted forms. (Cycle_End_Vertices): New routine. (Destroy): The graph no longer needs a set of recorded cycles because the cycles are not rediscovered in permuted forms. (Destroy_Library_Graph_Vertex): Move to the library level. (Find_All_Cycles_Through_Vertex, Find_All_Cycles_With_Edge): Remove. (Find_Cycles_From_Successor, Find_Cycles_From_Vertex, Find_Cycles_In_Component, Has_Elaborate_All_Edge): New routines. (Insert_And_Sort): Remove. (Is_Elaborate_Body_Edge): Use predicate Is_Vertex_With_Elaborate_Body. (Is_Recorded_Cycle): Remove. (Is_Vertex_With_Elaborate_Body): New routine. (Normalize_And_Add_Cycle): Remove. (Precedence): Rename to xxx_Precedence, where xxx relates to the input. These versions better reflect the desired input precedence. (Record_Cycle): New routine. (Remove_Vertex_And_Complement, Set_Is_Recorded_Cycle): Remove. (Trace_xxx): Update all versions to use debug switch -d_t. (Trace_Component): New routine. (Trace_Eol): Removed. (Trace_Vertex): Do not output the component as this information is already available when the component is traced. (Unvisit, Visit): New routine. * bindo-graphs.ads: Add new instance LGV_Lists. Remove instance RC_Sets. Update the structure of type Library_Graph_Attributes to remove the set of recorded cycles. (Destroy_Library_Graph_Vertex): Move to the library level. * bindo-writers.adb (Write_Component_Vertices): Output information about the number of vertices. * debug.adb: Document the use of binder switch -d_t. Update the use of binder switch -d_T. 2019-07-10 Yannick Moy <moy@adacore.com> * sem_spark.adb (Get_Root_Object): Replace precondition by error message. (Read_Indexes): Replace precondition by error message. (Check_Callable_Body): Check only traversal function returns an anonymous access type. (Check_Expression): Issue error on unexpected expression as path. * sem_util.adb (First_Global): Fix access to global on entry/task. 2019-07-10 Javier Miranda <miranda@adacore.com> * exp_ch6.adb (Is_Class_Wide_Interface_Type): New subprogram. (Expand_Call_Helper): Handle non-limited views when we check if any formal is a class-wide interface type. * exp_disp.adb (Expand_Interface_Actuals): Handle non-limited views when we look for interface type formals to force "this" displacement. 2019-07-10 Ed Schonberg <schonberg@adacore.com> * sem_res.adb (Resolve_Equality_Op): Do not replace the resolved operator by its alias if expander is not active, because the operand type may not be frozen yet and its inherited operations have not yet been created. 2019-07-10 Hristian Kirtchev <kirtchev@adacore.com> * bindo-elaborators.adb (Elaborate_Units): Set attribute Elab_Position of all elaborated units. (Set_Unit_Elaboration_Positions): New routine. 2019-07-10 Gary Dismukes <dismukes@adacore.com> * exp_util.adb: Reformatting and a typo fix. 2019-07-10 Yannick Moy <moy@adacore.com> * exp_util.adb (Remove_Side_Effects): Prefer renamings for objects of possible owning type in GNATprove mode. 2019-07-09 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Analyze_Object_Declaration): If the object type is a composite type that has a dynamic predicate and, the expression in the declaration is an aggregate, the generated predicate check must appear after the expanded code for the aggregate, which will appear after the rewritten object declarastion. 2019-07-09 Justin Squirek <squirek@adacore.com> * sem_eval.adb (Expr_Value_E): Add conditional to correctly handle constant enumerated character types. 2019-07-09 Eric Botcazou <ebotcazou@adacore.com> * libgnarl/s-osinte__mingw.ads (CRITICAL_SECTION): Use proper type for SpinCount component. 2019-07-09 Justin Squirek <squirek@adacore.com> * exp_ch4.adb (Expand_N_Allocator): Add conditional to detect the presence of anoymous access type allocators and issue a warning if the appropriate warning flag is enabled. * warnsw.ads: Add new warning flag for anonymous allocators * warnsw.adb (All_Warnings, Restore_Warnings, Save_Warnings, Set_Underscore_Warning_Switch): Register new flags. (WA_Warnings): Register new flag as an "all warnings" switch * usage.adb, doc/gnat_ugn/building_executable_programs_with_gnat.rst: Document new warning switches -gnatw_a and -gnatw_A. * gnat_ugn.texi: Regenerate. 2019-07-09 Ed Schonberg <schonberg@adacore.com> * sem_ch4.adb (Diagnose_Call): Improve error recovery when a local subprogram name hides a possible candidate name declared in a child package in the context of the current unit. * sem_ch6.adb (Process_Formals): Protect against malformed formal types when the parameter type does not denote an entity. 2019-07-09 Hristian Kirtchev <kirtchev@adacore.com> * bindo-augmentors.adb (Visit_Elaboration_Root): Do not start a DFS from an elaboration root whose corresponding unit lacks elaboration code. This behavior mimics that of the old elaboration order mechanism. * bindo-graphs.adb (Find_All_Cycles_Through_Vertex): Move the vertex tracing within the functional branches of the routine. This prevents spurious trace output. (Has_No_Elaboration_Code): New routine. (Trace_Cycle, Trace_Edge): Update the various Ids to use the "standard" trace format. * bindo-graphs.ads (Has_No_Elaboration_Code): New routine. * bindo-units.ads, bindo-units.adb (Has_No_Elaboration_Code): New routine. 2019-07-09 Piotr Trojanek <trojanek@adacore.com> * ali.ads, bindo-graphs.adb, bindo-validators.adb, clean.adb, doc/gnat_ugn/elaboration_order_handling_in_gnat.rst, einfo.ads, exp_aggr.adb, exp_ch13.adb, exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch9.adb, exp_pakd.adb, fname-uf.ads, gnatlink.adb, inline.adb, lib.ads, make.adb, namet.ads, opt.ads, par-ch4.adb, par-ch6.adb, par-labl.adb, prep.adb, sem_aggr.adb, sem_ch13.adb, sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb, sem_ch8.adb, sem_dim.adb, sem_disp.adb, sem_prag.adb, sem_res.adb, sem_warn.adb, sinfo.ads: Replace ". " with ". ". Minor reformatting and typo corrections. * gnat_ugn.texi: Generate. 2019-07-09 Hristian Kirtchev <kirtchev@adacore.com> * bindo.ads: Move type Precedence_Kind from the private to the visible part of the unit. * bindo-augmentors.adb: Remove the use of global data as it is bad practice. (Augment_Library_Graph): Update the parameter profile. (Is_Visited, Set_Is_Visited): Remove. (Visit_Elaboration_Root, Visit_Elaboration_Roots): Update the parameter profile and comment on usage. (Visit_Vertex): Likewise. Also keep track of which invocation edge activates a task. * bindo-augmentors.ads (Augment_Library_Graph): Update the parameter profile and comment on usage. * bindo-builders.adb (Create_Forced_Edge, Create_Spec_And_Body_Edge, Create_With_Edge): Update the call to Add_Edge. * bindo-diagnostics.adb: Add with end use clauses for Restrict and Rident. (Output_Dynamic_Model_Suggestions): Remove. (Output_Invocation_Related_Suggestions): New routine. (Output_Suggestions): Output all invocation-related suggestions together. * bindo-elaborators.adb: Remove types Comparator_Ptr and Predicate_Ptr. (Find_Best_Vertex): Update the parameter profile. * bindo-graphs.adb (Activates_Task): New routine. (Add_Body_Before_Spec_Edge): Update the call to Add_Edge_With_Return. (Add_Edge): Update the parameter profile and the call to Add_Edge_With_Return. (Add_Edge_With_Return): Update the parameter profile and comment on usage. (At_Least_One_Edge_Satisfies): New routine. (Contains_Elaborate_All_Edge): Reimplement. (Contains_Static_Successor_Edge, Contains_Task_Activation): New routine. (Contains_Weak_Static_Successor): Remove. (Is_Static_Successor_Edge): New routine. * bindo-graphs.ads: Add types LGE_Predicate_Ptr, LGV_Comparator_Ptr, and LGV_Predicate_Ptr. Update type Library_Graph_Edge_Attributes to capture whether an invocation edge activates a task. Update the value of No_Library_Graph_Edge_Attributes. (Activates_Task): Update the parameter profile and comment on usage. (Contains_Static_Successor_Edge, Contains_Task_Activation): New routines. (Contains_Weak_Static_Successor): Remove. * doc/gnat_ugn/elaboration_order_handling_in_gnat.rst: Update the documentation to reflect the new task-related advice. * gnat_ugn.texi: Regenerate. 2019-07-09 Piotr Trojanek <trojanek@adacore.com> * exp_util.adb (Containing_Package_With_Ext_Axioms): Replace low-level Ekind test with a high-level wrapper. 2019-07-09 Arnaud Charlet <charlet@adacore.com> * libgnat/s-memory.adb: Disable calls to Abort defer/undefer when ZCX_By_Default. 2019-07-09 Javier Miranda <miranda@adacore.com> * sem_ch13.adb (Rep_Item_Too_Early): Representation clauses are not allowed for a derivation of a generic type. Extend the current test to check that none of the parents is a generic type. 2019-07-09 Hristian Kirtchev <kirtchev@adacore.com> * exp_ch9.adb, exp_util.adb, repinfo.adb, sem_ch12.adb, sem_prag.adb, sem_res.adb, sem_spark.adb, sem_util.adb: Minor reformatting. 2019-07-09 Ed Schonberg <schonberg@adacore.com> * sem_res.adb (Resolve_Equality_Op): If the node was overloaded, set properly the entity to which the node has been resolved. The original entity is the first one found during analysis, and is not necessarily the resolved one. (Resolve_Op_Not): If the argument of negation is an overloaded equality operation, call its resolution directly given that the context type does not participate in overload resolution. 2019-07-09 Hristian Kirtchev <kirtchev@adacore.com> * bindo.adb: Remove with and use clauses for Debug. Add with and use clauses for Opt. (Find_Elaboration_Order): Enable the v4.0 elaboration order. The v3.0 mechanism is now available under binder switch -H. * bindusg.adb (Display): Enable switch -H. * debug.adb: Free compiler switch -gnatd_G. Free binder switch -d_N. * sem_elab.adb: Update the section on switches to remove -gnatd_G. (Invocation_Graph_Recording_OK): The invocation graph is now unconditionally recorded in ALI files. * switch-b.adb (Scan_Binder_Switches): Scan switch -H. * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Update the documentation on compiler switches related to elaboration. Update the documentation on binder switches to include switch -H. * doc/gnat_ugn/elaboration_order_handling_in_gnat.rst: Update the documentation on elaboration order handling in GNAT. * gnat_ugn.texi: Regenerate. 2019-07-09 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Entities): Disregard formals altogether. (List_Name): Properly escape the double quote in the JSON output. 2019-07-09 Javier Miranda <miranda@adacore.com> * exp_util.adb (Remove_Side_Effects): Preserve the Do_Range_Check flag. 2019-07-09 Yannick Moy <moy@adacore.com> * sinfo.ads: Refine comment for Do_Range_Check. 2019-07-09 Yannick Moy <moy@adacore.com> * exp_spark.adb (Expand_SPARK_N_Attribute_Reference): Expand attribute reference on Enum_Rep. 2019-07-09 Ed Schonberg <schonberg@adacore.com> * sem_ch12.adb (Instantiate_Formal_Package): Handle properly the case where the actual for a formal package in an instance is the current instance of an enclosing generic package. (Check_Formal_Packages): If the formal package declaration is box-initialized or lacks associations altogether, no internal instance was created to verify conformance, and there is no validating package to remove from tree. 2019-07-09 Yannick Moy <moy@adacore.com> * freeze.adb (Build_Renamed_Body): Do not set body to inline in GNATprove mode. 2019-07-09 Yannick Moy <moy@adacore.com> * exp_util.adb (Expand_Subtype_From_Expr): Still expand the type of static expressions in GNATprove_Mode. * sem_ch3.adb (Analyze_Object_Declaration): Remove obsolete special case for GNATprove_Mode. 2019-07-09 Piotr Trojanek <trojanek@adacore.com> * doc/gnat_rm/the_gnat_library.rst, doc/gnat_ugn/building_executable_programs_with_gnat.rst, erroutc.adb, libgnat/g-comlin.adb, libgnat/g-comlin.ads, libgnat/g-regexp.ads, libgnat/g-regpat.ads, libgnat/g-spipat.ads, libgnat/s-os_lib.ads, libgnat/s-regexp.ads: Reword "wild card" to "wildcard". * gnat_rm.texi, gnat_ugn.texi: Regenerate. 2019-07-09 Yannick Moy <moy@adacore.com> * sem_spark.adb (Check_Expression): Handle correctly implicit assignments as part of allocators and (extension) aggregates. (Get_Root_Object): Adapt for new path expressions. (Is_Path_Expression): Return True for (extension) aggregate. 2019-07-09 Piotr Trojanek <trojanek@adacore.com> * einfo.ads: Fix a typo. 2019-07-09 Ed Schonberg <schonberg@adacore.com> * sem_util.adb (Scope_Within_Or_Same): Handle properly task bodies and protected bodies, so that local variables within have their proper scopes after these constructs have been rewritten during expansion. This patch resembles but is not identical to the code in Scope_Within. 2019-07-09 Arnaud Charlet <charlet@adacore.com> * gnat1drv.adb (Adjust_Global_Switches): Set Dynamic_Elaboration_Checks to True in CodePeer mode. 2019-07-09 Yannick Moy <moy@adacore.com> * sem_spark.adb (Get_Perm_Or_Tree): Issue an error when encountering unknown global variable. 2019-07-09 Yannick Moy <moy@adacore.com> * sem_spark.adb (Check_Expression): Change signature to take an Extended_Checking_Mode, for handling read permission checking of sub-expressions in an assignment. (Check_Parameter_Or_Global): Adapt to new behavior of Check_Expression for mode Assign. (Check_Safe_Pointers): Do not analyze generic bodies. (Check_Assignment): Separate checking of the target of an assignment. 2019-07-09 Eric Botcazou <ebotcazou@adacore.com> * repinfo.ads (JSON format): Adjust. * repinfo.adb (Need_Blank_Line): Rename to... (Need_Separator): ...this. (Blank_Line): Rename to... (Write_Separator): ...this and add JSON specific handling. (List_Array_Info): Adjust to above renaming. (List_Object_Info): Likewise. (List_Record_Info): Likewise. (List_Subprogram_Info): Likewise. (List_Type_Info): Likewise. (List_Entities): Do not set Need_Blank_Line. (List_Rep_Info): Set Need_Separator and add JSON specific handling. Output a single JSON stream in the normal case. 2019-07-09 Arnaud Charlet <charlet@adacore.com> * doc/gnat_ugn/the_gnat_compilation_model.rst: Update doc on -fdump-ada-spec now that we generate Ada 2012. * gnat_ugn.texi: Regenerate. 2019-07-08 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Common_Type_Info): New procedure extracted from... (List_Type_Info): ...here. Call it for the common information, start with a blank line and output the linker section at the end, if any. (List_Mechanisms): Rename to... (List_Subprogram_Info): ...this. (List_Array_Info): Call List_Common_Type_Info. (List_Entities): Adjust to above change and renaming. (List_Record_Info): Call List_Common_Type_Info. 2019-07-08 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-sercom.ads (Serial_Port_Descriptor): New type. (Serial_Port): Add a comment, make it hold a Serial_Port_Descriptor. (To_Ada, To_C): New procedures. (Port_Data, Port_Data_Access): Remove types. * libgnat/g-sercom.adb (To_Ada): New stub. * libgnat/g-sercom__linux.adb, libgnat/g-sercom__mingw.adb: Update implementations accordingly. * s-oscons-tmplt.c: Bind Serial_Port_Descriptor to System.Win32.HANDLE on Windows, and to Interfaces.C.int on Linux. Add "Interfaces.C." prefix for other basic integer type bindings. * xoscons.adb (Output_Info): Remove the "Interfaces.C." prefix for subtypes generation. 2019-07-08 Arnaud Charlet <charlet@adacore.com> * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst: Update documentation on No_Exceptions restriction. * gnat_rm.texi: Regenerate. 2019-07-08 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/s-os_lib.adb: Do not call __gnat_kill for Invalid_Pid. 2019-07-08 Piotr Trojanek <trojanek@adacore.com> * sem_util.adb (Enclosing_Package_Or_Subprogram): Do not expect package and subprogram bodies. 2019-07-08 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Remove documentation of ignored GNATpp switch. 2019-07-08 Hristian Kirtchev <kirtchev@adacore.com> * doc/gnat_rm/implementation_defined_pragmas.rst: Update the documentation of pragma Initialize_Scalars. * gnat_rm.texi: Regenerate. 2019-07-08 Javier Miranda <miranda@adacore.com> * exp_ch4.adb (Tagged_Membership): Fix regression silently introduced in r260738 that erroneouslusy causes the evaluation to True of the membership test when the left operand of the membership test is a class-wide interface object and the right operand is a type that implements such interface type. 2019-07-08 Hristian Kirtchev <kirtchev@adacore.com> * sem_ch13.adb (Analyze_Attribute_Definition_Clause): Do not register an address clause when its prefix denotes a generic formal object. 2019-07-08 Hristian Kirtchev <kirtchev@adacore.com> * bindo-diagnostics.adb (Diagnose_Cycle): Capture the presence of an Elaborate_All edge before iterating over the edges of the cycle. (Output_Elaborate_Body_Transition): Update the parameter profile and the comment on usage. Add a missing case where the edge is within the context of an Elaborate_All. (Output_Transition): Update the call to Output_Elaborate_Body_Transition. * bindo-graphs.ads, bindo-graphs.adb (Contains_Elaborate_All_Edge): New routine. 2019-07-08 Piotr Trojanek <trojanek@adacore.com> * lib-xref-spark_specific.adb (Create_Heap): Set dummy Etype for the fake __HEAP entity. 2019-07-08 Daniel Mercier <mercier@adacore.com> * gnat1drv.adb: Suppress warnings on memory representation in CodePeer compiler mode. 2019-07-08 Nicolas Roche <roche@adacore.com> * rtinit.c (__gnat_runtime_initialize): Remove dependency on CommandLineToArgvW. 2019-07-08 Doug Rupp <rupp@adacore.com> * Makefile.rtl: Handle vxworks7r2 in x86_64 and x86 vxworks7. 2019-07-08 Dmitriy Anisimkov <anisimko@adacore.com> * Makefile.rtl: Use g-sercom__linux.adb for all linuxes. 2019-07-08 Yannick Moy <moy@adacore.com> * expander.adb (Expand): Do not reset Analyzed flag always. * sem_eval.adb (Fold_Ureal): Mark node as analyzed. 2019-07-08 Ed Schonberg <schonberg@adacore.com> * exp_ch9.adb (Expand_N_Timed_Entry_Call): Do not insert twice the assignment statement that computes the delay value, to prevent improper tree sharing when the value is a type conversion and Float_Overflow checks are enabled. 2019-07-08 Hristian Kirtchev <kirtchev@adacore.com> * bindo.adb: Update the section on terminology to include new concepts. Update the section on switches to include new entries. * bindo.ads: Add type Precedence_Kind. * bindo-builders.adb: Add with and use clauses for Debug and Bindo.Validators. Add use clauses for Bindo.Validators.Invocation_Graph_Validators and Bindo.Validators.Library_Graph_Validators. (Build_Invocation_Graph): Validate the graph immediately after it was built. (Build_Library_Graph): Update the parameter profile. The creation of the graph is now elaboration model-agnostic. Validate the graph immediately after it was built. (Create_With_Edge): Create regular with edges for Elaborate and Elaborate_All edges when the appropriate debug switches are in effect. * bindo-builders.ads (Build_Library_Graph): Update the parameter profile. * bindo-diagnostics.adb (Diagnose_Cycle): Track the presence of an Elaborate_All edge throughout the inspection of the cycle's edges. (Output_Dynamic_Model_Suggestions): Output the suggestion only when the cycle contains at least one weak edge where the successor was statically elaborated. (Output_Elaborate_Body_Transition, Output_Forced_Transition, Output_With_Transition): Update the assertions. * bindo-elaborators.adb: Remove use clauses for Bindo.Validators.Invocation_Graph_Validators and Bindo.Validators.Library_Graph_Validators. Remove strings Add_To_All_Candidates_Msg and Add_To_Comp_Candidates_Msg. Remove type String_Ptr. (Add_Vertex, Add_Vertex_If_Elaborable, Create_All_Candidates_Set Create_Component_Candidates_Set): Remove. (Create_Component_Vertex_Sets, Create_Vertex_Sets): New routine. (Elaborate_Component): Update the parameter profile and the comment on usage. Reimplement the elaboration of a component. The algorithm will now attempt to elaborate as many vertices possible. If this is not possible, and a weakly elaborable vertex is available use unit was compiled using the dynamic model, the algorithm will elaborate it. (Elaborate_Library_Graph): Reimplement the elaboration of the graph. The algorithm will now attempt to elaborate as many vertices along with their components as possible. If this is not possible, and a weakly elaborable vertex is available use unit was compiled using the dynamic model, the algorithm will elaborate it along with its component. (Elaborate_Units): Merge with the functionality of Elaborate_Units_Common. (Elaborate_Units_Common, Elaborate_Units_Dynamic, Elaborate_Units_Static): Remove. (Elaborate_Vertex): Update the parameter profile and the comment on usage. Reimplemented. (Find_Best_Candidate): Remove. (Find_Best_Elaborable_Vertex, Find_Best_Vertex, Find_Best_Weakly_Elaborable_Vertex, Has_Elaborable_Body, Insert_Elaborable_Successor, Insert_Vertex): New routines. (Is_Better_Candidate): Remove. (Is_Better_Elaborable_Vertex, Is_Better_Weakly_Elaborable_Vertex, Is_Suitable_Elaborable_Vertex, Is_Suitable_Weakly_Elaborable_Vertex): New routines. (Trace_Candidate_Vertices): Remove. (Trace_Component): Output the number of strong and weak predecessors. (Trace_Unelaborated_Vertices): Remove. (Trace_Vertex): Output the number of strong and weak predecessors. (Trace_Vertices): New routine. (Update_Successor, Update_Successors): Update the parameter profile and the comment on usage. * bindo-graphs.adb: Remove type Precedence_Kind. (Add_Edge_With_Return): Update the increment of pending predecessors. (Add_Vertex): Provide default values for strong and weak predecessors. (Complementary_Vertex): Move the initial declaration to the spec. Update the parameter profile and the comment on usage. (Contains_Weak_Static_Successor): New routine. (Create): Update the parameter profile. The creation of the graph is now elaboration model-agnostic. (Decrement_Pending_Predecessors): Update the parameter profile and the comment on usage. Reimplemented. (Delete_Edge): Update the decrement of pending predecesors. (Has_Elaborate_Body): Do not treat a vertex as being subject to Elaborate_Body when a debug switch is in effect. (Increment_Pending_Predecessors): Update the parameter profile and the comment on usage. Reimplemented. (Is_Elaborable_Component): Reimplemented. (Is_Elaborable_Vertex): Move the initial declaration to the spec. Reimplemented. (Is_Elaborate_Body_Pair): New routine. (Is_Dynamically_Elaborated): Update the parameter profile. Reimplemented. (Is_Weakly_Elaborable_Vertex): New routine. (Pending_Predecessors): Removed. (Pending_Predecessors_For_Elaboration, Pending_Strong_Predecessors, Pending_Weak_Predecessors, Update_Pending_Predecessors): New routines. (Update_Pending_Predecessors_Of_Components): Update the increment of pending predecessors. * bindo-graphs.ads: Update the components of type Component_Attributes. Update the components of type Library_Graph_Attributes. Update the components of type Library_Graph_Vertex_Attributes. Update the initialization of No_Component_Attributes. Update the initialization of No_Library_Graph_Vertex_Attributes. (Complementary_Vertex, Contains_Weak_Static_Successor): New routines. (Create): Update the parameter profile and the comment on usage. (Decrement_Pending_Predecessors, Is_Dynamically_Elaborated): Update the parameter profile and the comment on usage. (Is_Elaborate_Body_Pair, Is_Weakly_Elaborable_Vertex): New routines. (Pending_Predecessors): Removed. (Pending_Predecessors_For_Elaboration, Pending_Strong_Predecessors, Pending_Weak_Predecessors): New routines. * bindo-writers.adb (Write_Components): Moved from the spec. (Write_Component): Output the strong and weak predecessors. (Write_Library_Graph): Output the components as part of the graph. (Write_Library_Graph_Vertex): Output the strong and weak predecessors. * bindo-writers.ads (Write_Components): Moved to the body. * debug.adb: Add and document new GNATbind switches -d_a, -d_b, -d_e. * bindo-validators.adb: Minor reformattings. 2019-07-08 Bob Duff <duff@adacore.com> * libgnat/g-sercom.ads, libgnat/g-sercom__linux.adb (Data_Rate): Support additional data rates. 2019-07-08 Olivier Hainque <hainque@adacore.com> * gcc-interface/trans.c (Compilation_Unit_to_gnu): Don't request DECL_ARTIFICIAL_P on elab proc declarations. 2019-07-08 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Record_Info): Declare Incomplete_Layout and Not_In_Extended_Main local exceptions. (List_Structural_Record_Layout): For an extension, raise the former if the parent subtype has not been built and the latter if it is not declared in the main source unit. Fall back to the flat layout if either exception has been raised. 2019-07-08 Ed Schonberg <schonberg@adacore.com> * libgnat/a-strfix.adb (Delete): The RM describes the semantics of Delete as equivalent to that of Replace_String with a null argument. As a result, deleting a null string that starts past the end of its argument is a noop and must not raise Index_Error. 2019-07-08 Javier Miranda <miranda@adacore.com> * exp_disp.adb (Register_Primitive): When registering a primitive in the secondary dispatch table, handle primitive inherited through several levels of type derivation (required to properly handle inherited 'null' primitive). 2019-07-08 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document handling of preprocessor directives in GNATpp. 2019-07-08 Javier Miranda <miranda@adacore.com> * gnat1drv.adb (Post_Compilation_Validation_Checks: Validate_Compile_Time_Warning_Errors is now located in sem_prag (instead of sem_ch13). * sem_ch13.ads (Validate_Compile_Time_Warning_Error, Validate_Compile_Time_Warning_Errors): Move to sem_prag. * sem_ch13.adb (Compile_Time_Warnings_Errors): Move to sem_prag. (Initialize): Remove initialization of table Compile_Time_Warning_Errors. (Validate_Compile_Time_Warning_Error, Validate_Compile_Time_Warning_Errors): Move to sem_prag. * sem_prag.ads (Validate_Compile_Time_Warning_Errors): New procedure. * sem_prag.adb (Initialize): Initialize table Compile_Time_Warning_Errors. 2019-07-08 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Analyze_Aspect_Specifications): For a pre/postcondition of a generic subprogram declaration, do not use Relocate_Node on the aspect expression to construct the corresponding attribute specification, to prevent tree anomalies when the expression is a call with named actual parameters. 2019-07-08 Javier Miranda <miranda@adacore.com> * sem_attr.adb (Analyze_Attribute [Attribute_Size]): For pragmas used to report user defined compile time warning or errors handle 'Size for types with known static RM size. 2019-07-08 Justin Squirek <squirek@adacore.com> * exp_imgv.adb (Build_Enumeration_Image_Tables): Default SSO for the building of image tables. (Expand_Image_Attribute): Minor cleanup. 2019-07-08 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-socket.ads, libgnat/g-socket.adb: Improve documentation. (Get_Socket_Option, Set_Socket_Option): Remove default value for the Level formal. 2019-07-08 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Check_Aspect_At_End_Of_Declarations): For an unanalized aspect in a generic context that has not been analyzed yet, if the aspect applies to a type, place the type on the scope stack to make its components visible, before checking conformance with the version of the expression analyzed at the freeze point. 2019-07-05 Justin Squirek <squirek@adacore.com> * checks.adb (Apply_Accessibility_Check): Add logic to fetch the function result accessibility level if one is required within the generated check. * exp_ch6.adb (Needs_Result_Accessibility_Level): Modify controlling elsif block to handle more cases such as anonymous access results and disable checking for coextensions. 2019-07-05 Ed Schonberg <schonberg@adacore.com> * sem_ch9.adb (Analyze_Accept_Statement): If this is an illegal accept statement for an enclosing entry abandon analysis to prevent scope mismatches and potential infinite loops in compiler. 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * ali.adb (For_Each_Invocation_Construct, For_Each_Invocation_Relation): New version. (Scan_ALI): Initialize field Invocation_Graph_Encoding. (Set_Invocation_Graph_Encoding): Update the setting of the invocation graph encoding. * ali.ads: Move field Invocation_Graph_Encoding from Unit_Record to ALI_Record because the encoding applies to the whole ALI, rather than one of the units (spec or body) for which the ALI file was created. (For_Each_Invocation_Construct, For_Each_Invocation_Relation): New version. * bindo.adb: Update the section on switches. Complete the section of debugging elaboration order issues. (Find_Elaboration_Order): Prepare the routine for the switch from the old to the new elaboration order mechanism. * bindo-diagnostics.adb (Find_And_Output_Invocation_Paths): Manage a visited set used by Visit_Vertex. (Output_All_Cycles_Suggestions, Output_Dynamic_Model_Suggestions): Clarify the nature of the suggested switch. (Output_Elaborate_Body_Transition): Update the diagnostic to emit a better message. (Output_Forced_Suggestions, Output_Full_Encoding_Suggestions): Clarify the nature of the suggested switch. (Visit_Vertex): Update the parameter profile to add a set of invokers visited during the transition. This set prevents infinite exploration of the graph in case the invocations are recursive. * bindo-elaborators.adb: Add a use clause for Bindo.Writers.Dependency_Writers. (Elaborate_Units_Common): Output the library graph after it has been augmented with invocation edges. Output just the components instead of outputting the whole library graph again. (Elaborate_Units_Dynamic, Elaborate_Units_Static): Output the dependencies as expressed in the library graph. * bindo-units.adb (Invocation_Graph_Encoding): Update the extraction of the invocation graph encoding. * bindo-writers.adb: Add with and use clauses for Binderr and Butil. (palgc, plgc): New debug routine. (Write_Components): Moved to the spec. Add a header for the output. (Write_Dependencies, Write_Dependencies_Of_Vertex, Write_Dependency_Edge): New routine. (Write_Elaboration_Order): Update the logic to follow the format of Binde's order output. (Write_Library_Graph): Do not output the components every time the graph is written. (Write_Unit): Output the invocation graph encoding of the unit. Output the invocation constructs and relations for the unit only. * bindo-writers.ads (Write_Components): Moved from the body. (Write_Dependencies): New routine. * bindusg.adb: Prepare the routine for the switch from the old to the new elaboration order mechanism. * debug.adb: Binder switch -d_O is now not associated with any functionality. * einfo.adb (Is_Elaboration_Target): The attribute applies to packages, as specified by the comment on the attribute usage. * opt.ads: Add a global flag which controls the choice between the new and the legacy elaboration order mechanism. * sem_elab.adb: Add Package_Target to type Target_Kind. (Build_Elaborate_Body_Procedure, Build_Elaborate_Procedure, Build_Elaborate_Spec_Procedure, Check_Elaboration_Scenarios, Check_SPARK_Model_In_Effect): Use Main_Unit_Entity to obtain the entity of the main unit. (Create_Package_Rep): New routine. (Create_Target_Rep): Add processing for packages. (Declaration_Placement_Of_Node, Has_Prior_Elaboration): Use Main_Unit_Entity to obtain the entity of the main unit. (Invocation_Graph_Recording_OK): Prepare the routine for the switch from the old to the new elaboration order mechanism. (Main_Unit_Entity): New routine. (Meet_Elaboration_Requirement, Process_Conditional_ABE_Variable_Reference): Use Main_Unit_Entity to obtain the entity of the main unit. (Process_Invocation_Instantiation): New routine. (Process_Invocation_Scenario): Add processing for instantiations. * switch-b.adb (Scan_Binder_Switches): Prepare the routine for the switch from the old to the new elaboration order mechanism. 2019-07-05 Joffrey Huguet <huguet@adacore.com> * libgnat/a-textio.adb: Add abstract state refinment. * libgnat/a-textio.ads: Add File_System abstract state. Add global contracts, contract cases, preconditions and postconditions to procedures and functions. (Set_Input, Set_Output, Set_Error, Standard_Input, Standard_Output, Standard_Error, Current_Input, Current_Output, Current_Error): Turn SPARK_Mode off. (Get_Line): Turn SPARK_Mode off on Get_Line functions. * libgnat/a-tideio.ads, libgnat/a-tienio.ads, libgnat/a-tifiio.ads, libgnat/a-tiflio.ads, libgnat/a-tiinio.ads, libgnat/a-timoio.ads: Add global contracts, contract cases, preconditions and postconditions to procedures and functions. 2019-07-05 Arnaud Charlet <charlet@adacore.com> * doc/gnat_ugn/platform_specific_information.rst: Refresh doc on installing from the command line on Windows. Remove obsolete part. * gnat_ugn.texi: Regenerate. 2019-07-05 Vasiliy Fofanov <fofanov@adacore.com> * libgnat/a-wichha.ads (Is_Alphanumeric): Replace comment with the correct one. Also capitalize references to False throughout. 2019-07-05 Eric Botcazou <ebotcazou@adacore.com> * exp_ch4.adb (Expand_N_Indexed_Component): Do not expand actual parameters of function calls here either. 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * bindo-units.adb, checks.adb, exp_attr.adb, exp_ch3.adb, exp_ch4.adb, exp_pakd.adb, lib-writ.adb, libgnat/g-traceb.adb, libgnat/g-traceb.ads, libgnat/s-stratt.ads, sem_aux.ads, sem_util.adb: Minor reformatting. 2019-07-05 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Build_Predicate_Functions): If a subtype that carries a static predicate aspect is frozen immediately after its declaration, ensure that the generated function body created for predicate checking is inserted after the corresponding subprogram declaration, which is created at the point the declaration is elaborated. 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * exp_ch7.adb (Cleanup_Record): Use the underlying type when checking for components with tasks. 2019-07-05 Arnaud Charlet <charlet@adacore.com> * libgnarl/s-osinte__linux.ads: Link with -lrt before -lpthread. 2019-07-05 Ed Schonberg <schonberg@adacore.com> * exp_pakd.adb (Expand_Bit_Packed_Element_Set): Add explicit range checks when the index type of the bit-packed array is an enumeration type with a non-standard representation, 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * sem_res.adb (Is_Control_Flow_Statement): Delay statements contain an expression, which in turn may have side effects and affect the infinite recursion. As a result, delay statements should not be treated specially. 2019-07-05 Arnaud Charlet <charlet@adacore.com> * libgnarl/s-linux.ads, libgnarl/s-linux__alpha.ads, libgnarl/s-linux__android.ads, libgnarl/s-linux__hppa.ads, libgnarl/s-linux__mips.ads, libgnarl/s-linux__riscv.ads, libgnarl/s-linux__sparc.ads: Fix typos in comments. 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * sem_res.adb (Check_Infinite_Recursion): Reimplemented. (Enclosing_Declaration_Or_Statement, Invoked_With_Different_Arguments, Is_Conditional_Statement, Is_Control_Flow_Statement, Is_Immediately_Within_Body, Is_Raise_Idiom, Is_Raise_Statement, Is_Sole_Statement, Preceded_By_Control_Flow_Statement, Within_Conditional_Statement): New routines. 2019-07-05 Javier Miranda <miranda@adacore.com> * exp_ch4.adb (Expand_N_Type_Conversion): Do not apply an accessibility check when the conversion is an access to class-wide interface type and it is an actual parameter. * exp_ch6.adb (Expand_Call_Helper): Add documentation on the accessibility level of an anonymous allocator defining the value of an access parameter. * sem_util.ads, sem_util.adb (Dynamic_Accessibility_Level): Add support for an anonymous allocator whose type is that of a stand-alone object of an anonymous access to object type. 2019-07-05 Piotr Trojanek <trojanek@adacore.com> * einfo.ads, sem_res.adb: Typo fixes in comments. 2019-07-05 Bob Duff <duff@adacore.com> * exp_ch6.adb (Is_Build_In_Place_Function): Narrow the check for Has_Foreign_Convention to the imported case only. If a build-in-place function is exported, and called from Ada code, build-in-place protocols should be used. 2019-07-05 Ed Schonberg <schonberg@adacore.com> * sem_util.adb (Encloing_Subprogram): If Enclosing_Dynamic_Scope is a loop, continue climbing the scope stack to find the enclosing subprogram. (Gather_Components): Handle properly a choice in a record aggregate that is given by a subtype with a static predicate. 2019-07-05 Javier Miranda <miranda@adacore.com> * debug.adb (-gnatd.K): Leave available this switch. * contracts.adb (Build_And_Analyze_Contract_Only_Subprograms): Remove. * scil_ll.ads, scil_ll.adb (Contract_Only_Body_Flag, Contract_Only_Body_Nodes, Get_Contract_Only_Body, Is_Contract_Only_Body, Set_Contract_Only_Body): Remove. 2019-07-05 Pierre-Marie de Rodat <derodat@adacore.com> * libgnat/a-strunb.ads: Import documentation from the RM 2019-07-05 Pierre-Marie de Rodat <derodat@adacore.com> * libgnat/a-strfix.ads: Import documentation from the RM 2019-07-05 Yannick Moy <moy@adacore.com> * adabkend.adb (Scan_Back_End_Switches): Accept -Og and -Ofast switches. 2019-07-05 Hristian Kirtchev <kirtchev@adacore.com> * ali.adb: Relocate types Invocation_Construct_Record, Invocation_Relation_Record, and Invocation_Signature_Record to the body of ALI. Relocate tables Invocation_Constructs, Invocation_Relations, and Invocation_Signatures to the body of ALI. Remove type Body_Placement_Codes. Add new types Declaration_Placement_Codes, and Invocation_Graph_Encoding_Codes. Update the literals of type Invocation_Graph_Line_Codes. (Add_Invocation_Construct): Update the parameter profile. Add an invocation construct built from all attributes provided. (Add_Invocation_Relation): Update the parameter profile. Add an invocation relation built from all attributes provided. (Body_Placement): New routine. (Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind): Removed. (Code_To_Declaration_Placement_Kind, Code_To_Invocation_Graph_Encoding_Kind, Column, Declaration_Placement_Kind_To_Code, Extra, For_Each_Invocation_Construct, For_Each_Invocation_Relation, Invocation_Graph_Encoding, Invocation_Graph_Encoding_Kind_To_Code, Invoker, Kind, Line, Locations, Name): New routine. (Scan_Invocation_Construct_Line): Reimplement the scanning mechanism. (Scan_Invocation_Graph_Attributes_Line): New routine. (Scan_Invocation_Graph_Line): Use a case statement to dispatch. (Scan_Invocation_Relation_Line): Reimplement the scanning mechanism. (Scope): New routine. (Set_Invocation_Graph_Encoding, Signature, Spec_Placement, Target): New routine. * ali.ads: Add new type Invocation_Graph_Encoding_Kind. Add component Invocation_Graph_Encoding to type Unit_Record. Relocate various types and data structures to the body of ALI. (Add_Invocation_Construct, Add_Invocation_Relation): Update the parameter profile. (Body_Placement): New routine. (Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind): Removed. (Code_To_Declaration_Placement_Kind, Code_To_Invocation_Graph_Encoding_Kind, Column, Declaration_Placement_Kind_To_Code, Extra, For_Each_Invocation_Construct, For_Each_Invocation_Relation, Invocation_Graph_Encoding, Invocation_Graph_Encoding_Kind_To_Code, Invoker, Kind, Line, Locations, Name, Scope, Set_Invocation_Graph_Encoding, Signature, Spec_Placement, Target): New routine. * bindo.adb: Add with clause for Binde. Add with and use clauses for Debug. Update the documentation. Add new switches. (Find_Elaboration_Order): Dispatch to the proper elaboration mechanism. * bindo-augmentors.adb: Remove with and use clauses for GNAT and GNAT.Sets. Remove membership set VS. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. Remove various redundant assertions. * bindo-builders.adb: Use better names for instantiated data structures. Update all references to these names. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. (Build_Library_Graph): Update the parameter profile. Update the call to Create. (Create_Vertex): Reimplemented. (Declaration_Placement_Vertex): New routine. * bindo-builders.ads (Build_Library_Graph): Update the parameter profile and comment on usage. * bindo-diagnostics.adb: Almost a new unit. * bindo-diagnostics.ads: Add a use clause for Bindo.Graphs.Invocation_Graphs. Remove package Cycle_Diagnostics. (Diagnose_Circularities): New routine. * bindo-elaborators.adb: Remove the with and use clauses for Binderr and GNAT.Sets. Remove the use clause for Bindo.Diagnostics.Cycle_Diagnostics. Remove membership set VS. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. (Elaborate_Units_Common): Update the parameter profile. Pass an infication to the library graph builder whether the dynamic model is in effect. (Elaborate_Units_Dynamic, Elaborate_Units_Static): Use Diagnose_Circularities to provide diagnostics. (Update_Successor): Use routine In_Same_Component to determine whether the predecessor and successor reside in different components. * bindo-graphs.adb: Add with and use clauses for Butil, Debug, Output, and Bindo.Writers. Remove with and use clauses for GNAT.Lists. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. Remove various redundant assertions. Remove doubly linked list EL. Add new type Precedence_Kind. (Add_Cycle): New routine. (Add_Vertex): Update the parameter profile. Update the creation of vertex attributes. (Add_Vertex_And_Complement, Body_Vertex, Column, Complementary_Vertex, Copy_Cycle_Path, Cycle_Kind_Of): New routines. (Destroy_Invocation_Graph_Edge, Destroy_Library_Graph_Cycle, Destroy_Library_Graph_Edge, Extra, File_Name, Find_All_Cycles_Through_Vertex, Find_All_Cycles_With_Edge, Find_Cycles, Find_First_Lower_Precedence_Cycle, Get_LGC_Attributes, Has_Next, Hash_Library_Graph_Cycle, Hash_Library_Graph_Cycle_Attributes, Highest_Precedence_Cycle, Highest_Precedence_Edge, In_Same_Component, Insert_And_Sort, Invocation_Edge_Count, Invocation_Graph_Encoding, Is_Cycle_Initiating_Edge, Is_Cyclic_Edge, Is_Cyclic_Elaborate_All_Edge, Is_Cyclic_Elaborate_Body_Edge, Is_Cyclic_Elaborate_Edge, Is_Cyclic_Forced_Edge, Is_Cyclic_Invocation_Edge, Is_Cyclic_With_Edge, Is_Dynamically_Elaborated, Is_Elaborate_All_Edge, Is_Elaborate_Body_Edge, Is_Elaborate_Edge: New routines. (Is_Existing_Predecessor_Successor_Relation): Removed. (Is_Forced_Edge, Is_Invocation_Edge, Is_Recorded_Cycle, Is_Recorded_Edge, Is_With_Edge, Iterate_Edges_Of_Cycle, Kind, Length): New routine. (Lib_Vertex): Removed. (Line, Links_Vertices_In_Same_Component, Maximum_Invocation_Edge_Count, Next, Normalize_And_Add_Cycle, Normalize_Cycle_Path, Number_Of_Cycles, Path, Precedence, Remove_Vertex_And_Complement, Sequence_Next_Cycle): New routines. (Sequence_Next_IGE_Id): Renamed to Sequence_Next_Edge. (Sequence_Next_IGV_Id): Renamed to Sequence_Next_Vertex. (Sequence_Next_LGE_Id): Renamed to Sequence_Next_Edge. (Sequence_Next_LGV_Id): Renamed to Sequence_Next_Vertex. (Set_Is_Existing_Predecessor_Successor_Relation): Removed. (Set_Is_Recorded_Cycle, Set_Is_Recorded_Edge, Set_LGC_Attributes, Spec_Vertex, Trace_Cycle, Trace_Edge, Trace_Eol, Trace_Vertex): New routines. * bindo-graphs.ads: Add with and use clauses for Types and GNAT.Lists. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. Add the new instantiated data structures IGE_Lists, IGV_Sets, LGC_Lists, LGE_Lists, LGE_Sets, LGV_Sets, and RC_Sets. Add new type Library_Graph_Cycle_Id along with an empty and initial value. Remove component Lib_Vertex and add new components Body_Vertex and Spec_Vertex to type Invocation_Graph_Vertex_Attributes. Add new type Library_Graph_Cycle_Kind. Add new iterators All_Cycle_Iterator and Edges_Of_Cycle_Iterator. Add new type Library_Graph_Cycle_Attributes. Add new components Cycle_Attributes, Cycles, and Dynamically_Elaborated to type Library_Graph_Attributes. (Body_Vertex, Column, Destroy_Invocation_Graph_Edge, Destroy_Library_Graph_Cycle_Attributes, Destroy_Library_Graph_Edge, Extra, File_Name, Find_Cycles, Has_Elaborate_All_Cycle, Has_Next, Hash_Library_Graph_Cycle, Hash_Library_Graph_Cycle_Attributes, Highest_Precedence_Cycle, In_Same_Component, Invocation_Edge_Count, Invocation_Graph_Encoding, Is_Dynamically_Elaborated, Is_Elaborate_All_Edge, Is_Elaborate_Body_Edge, Is_Elaborate_Edge, Is_Forced_Edge, Is_Invocation_Edge, Is_With_Edge, Iterate_All_Cycles, Iterate_Edges_Of_Cycle, Kind): New routines. (Length, Lib_Vertex, (Line, Next, Number_Of_Cycles, Present, Same_Library_Graph_Cycle_Attributes, Spec_Vertex): New routines. * bindo-units.adb (File_Name, Invocation_Graph_Encoding): New routines. * bindo-units.ads: Add new instantiated data structure Unit_Sets. (File_Name, Invocation_Graph_Encoding): New routine. * bindo-validators.adb: Remove with and use clauses for GNAT and GNAT.Sets. Remove membership set US. Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. (Validate_Cycle, Validate_Cycle_Path, Validate_Cycles, Validate_Invocation_Graph_Vertex): Remove the validation of component Lib_Vertex. Add the validation of components Body_Vertex and Spec_Vertex. (Write_Error): New routine. * bindo-validators.ads (Validate_Cycles): New routine. * bindo-writers.adb: Update the parameter profiles of most routines to use better parameter names. Update the implementation of most routine to use the new parameter names. (Write_Cycle, Write_Cyclic_Edge, Write_Cycles): New routines. (Write_Invocation_Graph_Vertex): Remove the output of component Lib_Vertex. Add the output of components Body_Vertex and Spec_Vertex. * bindo-writers.ads (Write_Cycles): New routine. * debug.adb: Use binder switches -d_C and -d_P, add documentation on their usage. * gnatbind.adb: Remove with and use clauses for Binde. Delegate the choice of elaboration mechanism to Bindo. * lib-writ.adb (Column, Extra, Invoker, Kind, Line, Locations, Name, Placement, Scope, Signature, Target): Removed. (Write_Invocation_Graph): Moved at the top level. (Write_Invocation_Graph_Attributes): New routine. (Write_Invocation_Relation, Write_Invocation_Signature): Moved at the top level. * lib-writ.ads: Add a documentation section on invocation graph attributes. * sem_elab.adb (Body_Placement_Of): New routine. (Declare_Invocation_Construct): Update the call to Add_Invocation_Construct. (Declaration_Placement_Of_Node): New routine. (Get_Invocation_Attributes): Correct the retrieval of the enclosing subprogram where the postcondition procedure lives. (Placement_Of, Placement_Of_Node): Removed. (Record_Invocation_Graph): Record the encoding format used. (Record_Invocation_Graph_Encoding): New routine. (Record_Invocation_Relation): Update the call to Add_Invocation_Relation. (Spec_Placement_Of): Removed. * libgnat/g-lists.ads, libgnat/g-lists.adb (Equal): New routine. 2019-07-05 Ed Schonberg <schonberg@adacore.com> * checks.adb (Apply_Predicate_Check): Except within the subprogram body that defines the formal, do not apply predicate check on a formal IN parameter: such a check is redundant and its expansion can lead to out-of-scope references when it is originates in a function call in a precondition, 2019-07-05 Yannick Moy <moy@adacore.com> * sem_res.adb (Resolve_Call): Cannot inline in quantified expressions. * sem_util.adb, sem_util.ads (In_Quantified_Expression): New function. 2019-07-05 Bob Duff <duff@adacore.com> * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst: Fix typo. * gnat_rm.texi: Regenerate. 2019-07-05 Bob Duff <duff@adacore.com> * exp_attr.adb (Input): Take the No_Stream_Optimizations restriction into account. 2019-07-05 Claire Dross <dross@adacore.com> * libgnat/a-cofove.ads, libgnat/a-cofove.adb: Definite formal vectors are now always bounded so that they do not need to be limited anymore. 2019-07-05 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-traceb.ads, libgnat/g-traceb.adb (Call_Chain): New function. 2019-07-04 James Clarke <jrtc27@debian.org> * libgnarl/s-osinte__kfreebsd-gnu.ads (clockid_t): Make type definition public. (CLOCK_REALTIME): Make value public. 2019-07-04 Javier Miranda <miranda@adacore.com> * exp_tss.adb (Init_Proc): Adding missing support for access to subprograms and access to protected subprograms of non-default C++ constructors. 2019-07-04 Eric Botcazou <ebotcazou@adacore.com> * gnat1drv.adb (Adjust_Global_Switches): Use proper interface to set the validity settings in CodePeer mode. * par-load.adb (Load): Remove all code dealing with validity settings. * validsw.ads (Validity_Check_Copies): Alphabetize. * validsw.adb (Reset_Validity_Check_Options): Set all options to off. (Save_Validity_Check_Options): Save all options. 2019-07-04 Hristian Kirtchev <kirtchev@adacore.com> * exp_ch3.adb, exp_ch4.adb, exp_ch4.ads, exp_ch5.adb, exp_ch7.adb, exp_ch9.adb, exp_ch11.adb, exp_unst.adb, rtsfind.ads, sem_attr.adb, sem_ch10.adb, sem_ch12.adb, sem_ch13.adb, sem_dim.adb, sem_disp.adb, xref_lib.adb: Minor reformatting. 2019-07-04 Joffrey Huguet <huguet@adacore.com> * libgnarl/a-taside.ads: Add assertion policy to ignore preconditions. (Abort_Task, Is_Terminated, Is_Callable): Add preconditions. 2019-07-04 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_rm/implementation_defined_pragmas.rst: Fix capitalization and parenthesis glitches. * gnat_rm.texi: Regenerate. 2019-07-04 Ed Schonberg <schonberg@adacore.com> * sem_ch10.adb (Remove_Context_Clauses): Handle properly the removal of a limited_with_clause which appears in the library unit oF the main unit, when some other unit in the context has a regular with_clause on the same unit, to prevent spurious visibility errors in the subsequent analysis of pending instance bodies. 2019-07-04 Hristian Kirtchev <kirtchev@adacore.com> * sem_elab.adb: Add new type Elaboration_Phase_Status along with a global to keep track of the elaboration phase status. Initialize all internal data structures to Nil for services Elaborated_Units, Internal_Representation, and Scenario_Storage. (Build_Call_Marker): Do not create a call marker when the elaboration phase is not active. (Build_Variable_Reference_Marker): Do not create a call marker when the elaboration phase is not active. (Check_Elaboration_Scenarios): Destroy all internal structures when the elaboration phase does not have to run. Do not execute when the elaboration phase is not active. (Elaboration_Phase_Active): New routine. (Finalize_All_Data_Structures): New routine. (Initialize): Initialize all internal data structures and signal that the elaboration phase has started. (Initialize_All_Data_Structures): New routine. (Initialize_Elaborated_Units): Initialize all internal data structures. (Initialize_Internal_Representation): Initialize all internal data structures. (Initialize_Scenario_Storage): Initialize all internal data structures. (Kill_Elaboration_Scenario): Do not execute when the elaboration phase is not active. (Set_Elaboration_Phase): New routine. (Update_Elaboration_Scenario): Do not execute when the elaboration phase is not active. 2019-07-04 Gary Dismukes <dismukes@adacore.com> * sem_ch6.adb (Analyze_Subprogram_Body_Helper): The special treatment of calling Mask_Unfrozen_Types must also be done in the case of an Ignored_Ghost_Entity, because Expander_Active is False in that case. 2019-07-04 Yannick Moy <moy@adacore.com> * sem_prag.adb (Check_Library_Level_Entity): Update for new rule on SPARK_Mode. 2019-07-04 Justin Squirek <squirek@adacore.com> * sem_disp.adb (Check_Controlling_Formals): Obtain the full view before type comparison. 2019-07-04 Ed Schonberg <schonberg@adacore.com> * exp_ch4.ads, exp_ch4.adb (Build_Eq_Call): New visible subprogram, extracted from Expand_Composite_Equality, to handle properly the composition of equality for variant record types. * exp_ch3.adb (MAke_Eq_If): Use Build_Eq_Call for each component, to handle properly the case of a component with a user-defined equality. Revert to predefined equality if the user-defined operation is abstract, to maintain compatibility with older versions, 2019-07-04 Justin Squirek <squirek@adacore.com> * exp_ch3.adb (Build_Initialization_Call): Fixup *_skip_null_excluding_check argument to handle new default. (Init_Formals): Make *_skip_null_excluding_check formal default to False * exp_ch4.adb (Expand_N_Allocator): Add comment to note heavy code duplication 2019-07-04 Bob Duff <duff@adacore.com> * sem_ch3.adb (Access_Definition): Do not create a master unless Tasking_Allowed. Otherwise, this fails on restricted runtimes. 2019-07-04 Hristian Kirtchev <kirtchev@adacore.com> * sem_util.adb (Propagate_DIC_Attributes): Do not propagate the Default_Initial_Condition attributes to an incomplete type. 2019-07-04 Ed Schonberg <schonberg@adacore.com> * sem_attr.adb (Check_Array_Type): An array type attribute such as 'First can be applied to an unconstrained array tyope when the attribute reference appears within an aspect specification and the prefix is a current instance, given that the prefix of the attribute will become a formal of the subprogram that implements the aspect (typically a predicate check). 2019-07-04 Piotr Trojanek <trojanek@adacore.com> * sem_util.adb (Yields_Synchronized_Object): Fix typos in comments. 2019-07-04 Yannick Moy <moy@adacore.com> * sem_util.adb (Yields_Synchronized_Object): Adapt to new SPARK rule. 2019-07-04 Yannick Moy <moy@adacore.com> * sem_spark.adb (Check_Statement): Only check permission of object in extended return when it is of a deep type. 2019-07-04 Justin Squirek <squirek@adacore.com> * sem_ch12.adb (Perform_Appropriate_Analysis): Added for selecting which type of analysis based on wheither the instantiation is a generic at the library-level. In which case expansion during analysis. (Preanalyze_Actuals): Modify calls to Analyze to use the new routine. 2019-07-04 Ed Schonberg <schonberg@adacore.com> * exp_unst.adb: Handle conditional expressions. 2019-07-04 Yannick Moy <moy@adacore.com> * sem_spark.adb (Check_Package_Spec, Check_Package_Body): Only analyze parts of the code marked in SPARK. 2019-07-04 Hristian Kirtchev <kirtchev@adacore.com> * erroutc.adb, exp_aggr.adb, inline.adb, opt.adb, sem_ch3.adb: Minor reformatting. 2019-07-04 Yannick Moy <moy@adacore.com> * sem_spark.adb (Explanation, Get_Expl): New functions to get the explanation for a permission mismatch. (Perm_Error, Perm_Mismatch, Perm_Error_Loop_Exit): Take explanation into account for issuing a more precise error message. (Set_Perm_Prefixes, Set_Perm_Extensions, Set_Perm_Extensions_Move): Pass suitable argument for the explanation node. 2019-07-04 Arnaud Charlet <charlet@adacore.com> * exp_aggr.adb (In_Place_Assign_OK): Moved to top level and add support for record aggregates. (Component_Check): Use Is_CCG_Supported_Aggregate instead of a similar local predicate. (Convert_To_Assignments): Take advantage of In_Place_Assign_OK predicate when possible. (Is_CCG_Supported_Aggregate): Return False for records with representation clauses and fix the logic for dealing with nested aggregates. 2019-07-04 Piotr Trojanek <trojanek@adacore.com> * opt.adb (Set_Config_Switches): Keep assertions policy as enabled when analysing internal units in GNATprove mode. 2019-07-04 Arnaud Charlet <charlet@adacore.com> * exp_ch4.adb (Expand_Short_Circuit_Operator): Strip N_Variable_Reference_Marker when checking for the presence of actions. 2019-07-04 Arnaud Charlet <charlet@adacore.com> * exp_aggr.adb (Check_Component): Take into account type conversions. 2019-07-04 Dmitriy Anisimkov <anisimko@adacore.com> * doc/gnat_ugn/platform_specific_information.rst: Document Windows socket timeout particularity. * gnat_ugn.texi: Regenerate. * gsocket.h: Include versionhelpers.h. * socket.c (__gnat_minus_500ms): New function. * libgnat/g-sothco.ads (Minus_500ms_Windows_Timeout): New imported function. * libgnat/g-socket.adb (Set_Socket_Option): Refactor to remove 500ms from the requested timeout only on old Windows version. 2019-07-04 Thomas Quinot <quinot@adacore.com> * get_scos.adb: Remove bogus, dead code. 2019-07-04 Ed Schonberg <schonberg@adacore.com> * sem_dim.adb (Analyze_Dimension_Array_Aggregate): If the component is an entity name, its dimensions are those of its type. 2019-07-03 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document new flags in GNATpp. 2019-07-03 Hristian Kirtchev <kirtchev@adacore.com> * binde.adb: Remove with clause for System.OS_Lib. (Force_Elab_Order): Refactor the majority of the code in Butil. Use the new forced units iterator to obtain unit names. * bindo-builders.adb: Add with and use clauses for Binderr, Butil, Opt, Output, Types, GNAT, and GNAT.Dynamic_HTables. Add a hash table which maps units to line number in the forced elaboration order file. (Add_Unit): New routine. (Build_Library_Graph): Create forced edges between pairs of units listed in the forced elaboration order file. (Create_Forced_Edge, Create_Forced_Edges, Destroy_Line_Number, Duplicate_Unit_Error, Hash_Unit, Internal_Unit_Info, Is_Duplicate_Unit, Missing_Unit_Info): New routines. * bindo-graphs.adb (Is_Internal_Unit, Is_Predefined_Unit): Refactor some of the behavior to Bindo-Units. * bindo-graphs.ads: Enable the enumeration literal for forced edges. * bindo-units.adb, bindo-units.ads (Is_Internal_Unit, Is_Predefined_Unit): New routines. * butil.adb: Add with and use clauses for Opt, GNAT, and System.OS_Lib. Add with clause for Unchecked_Deallocation. (Has_Next, Iterate_Forced_Units, Next, Parse_Next_Unit_Name, Read_Forced_Elab_Order_File): New routines. * butil.ads: Add with and use clauses for Types. Add new iterator over the units listed in the forced elaboration order file. (Has_Next, Iterate_Forced_Units, Next): New routine. * namet.adb, namet.ads (Present): New routine. 2019-07-03 Bob Duff <duff@adacore.com> * sem_ch3.adb (Access_Definition): The code was creating a master in the case where the designated type is a class-wide interface type. Create a master in the noninterface case as well. That is, create a master for all limited class-wide types. 2019-07-03 Yannick Moy <moy@adacore.com> * erroutc.adb (Sloc_In_Range): New function to determine whether the range of a pragma Warnings covers a location, taking instantiations into account. 2019-07-03 Johannes Kanig <kanig@adacore.com> * osint.ads, osint.adb (Get_First_Main_File_Name): New routine to access the first file provided on the command line. 2019-07-03 Ed Schonberg <schonberg@adacore.com> * inline.adb (Process_Formals_In_Aspects): New procedure within Expand_Inlined_Call, to perform a replacement of references to formals that appear in aspect specifications within the body being inlined. 2019-07-03 Justin Squirek <squirek@adacore.com> * sem_ch8.adb (Analyze_Object_Renaming): Add call to search for the appropriate actual subtype of the object renaming being analyzed. (Check_Constrained_Object): Minor cleanup. 2019-07-03 Yannick Moy <moy@adacore.com> * sem_spark.adb (Get_Observed_Or_Borrowed_Expr): New function to return go through traversal function call. (Check_Type): Consistently use underlying type. (Get_Perm): Adapt for case of elaboration code where variables are not declared in the environment. Remove incorrect handling of borrow and observe. 2019-07-03 Hristian Kirtchev <kirtchev@adacore.com> * inline.adb (Build_Return_Object_Formal): New routine. (Can_Split_Unconstrained_Function): Code clean up. (Copy_Formals,Copy_Return_Object): New routines. (Split_Unconstrained_Function): Code clean up and refactoring. 2019-07-03 Gary Dismukes <dismukes@adacore.com> * bindo-augmentors.adb, bindo-augmentors.ads, bindo-builders.ads, bindo-elaborators.adb, sem_ch12.adb, sem_ch13.adb, sem_spark.adb, sinfo.ads: Minor editorial corrections and reformatting. 2019-07-03 Bob Duff <duff@adacore.com> * sem_warn.adb (Check_Infinite_Loop_Warning): Avoid the warning if an Iterator_Specification is present. 2019-07-03 Bob Duff <duff@adacore.com> * doc/gnat_ugn/gnat_utility_programs.rst: Document default new-line behavior. 2019-07-03 Hristian Kirtchev <kirtchev@adacore.com> * ali.adb: Add with and use clauses for GNAT, GNAT.Dynamic_HTables, and Snames. Add a map from invocation signature records to invocation signature ids. Add various encodings of invocation-related attributes. Sort and update table Known_ALI_Lines. (Add_Invocation_Construct, Add_Invocation_Relation, Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind, Code_To_Invocation_Construct_Kind, Code_To_Invocation_Kind, Code_To_Invocation_Graph_Line_Kind, Destroy, Hash): New routines. (Initialize_ALI): Sort the initialization sequence. Add initialization for all invocation-related tables. (Invocation_Construct_Kind_To_Code, Invocation_Graph_Line_Kind_To_Code, Invocation_Kind_To_Code, Invocation_Signature_Of, Present): New routines. (Scan_ALI): Add the default values for invocation-related ids. Scan invocation graph lines. (Scan_Invocation_Graph_Line): New routine. * ali.ads: Add with clause for GNAT.Dynamic_Tables. Add types for invocation constructs, relations, and signatures. Add tables for invocation constructs, relations, and signatures. Update Unit_Record to capture invocation-related ids. Relocate table Unit_Id_Tables and subtypes Unit_Id_Table, Unit_Id_Array from Binde. (Add_Invocation_Construct, Add_Invocation_Relation, Body_Placement_Kind_To_Code, Code_To_Body_Placement_Kind, Code_To_Invocation_Construct_Kind, Code_To_Invocation_Kind, Code_To_Invocation_Graph_Line_Kind, Invocation_Construct_Kind_To_Code, Invocation_Graph_Line_Kind_To_Code, Invocation_Kind_To_Code, Invocation_Signature_Of, Present): New routines. * binde.adb: Add with and use clause for Types. Add use clause for ALI.Unit_Id_Tables; * binde.ads: Relocate table Unit_Id_Tables and subtypes Unit_Id_Table, Unit_Id_Array to ALI. * bindgen.adb: Remove with and use clause for ALI. * bindgen.ads: Remove with and use clause for Binde. Add with and use clause for ALI. * bindo.adb, bindo.ads, bindo-augmentors.adb, bindo-augmentors.ads, bindo-builders.adb, bindo-builders.ads, bindo-diagnostics.adb, bindo-diagnostics.ads, bindo-elaborators.adb, bindo-elaborators.ads, bindo-graphs.adb, bindo-graphs.ads, bindo-units.adb, bindo-units.ads, bindo-validators.adb, bindo-validators.ads, bindo-writers.adb, bindo-writers.ads: New units. * debug.adb: Use and describe GNAT debug switches -gnatd_F and -gnatd_G. Add GNATbind debug switches in the ranges dA .. dZ, d.a .. d.z, d.A .. d.Z, d.1 .. d.9, d_a .. d_z, d_A .. d_Z, and d_1 .. d_9. Use and describe GNATbind debug switches -d_A, -d_I, -d_L, -d_N, -d_O, -d_T, and -d_V. * exp_util.adb, exp_util.ads (Exceptions_OK): Relocate to Sem_Util. * gnatbind.adb: Add with and use clause for Bindo. Use the new Bindo elaboration order only when -d_N is in effect. * lib-writ.adb (Column, Extra, Invoker, Kind, Line, Locations, Name, Placement, Scope, Signature, Target): New routines. (Write_ALI): Output all invocation-related data. (Write_Invocation_Graph): New routine. * lib-writ.ads: Document the invocation graph ALI line. * namet.adb, namet.ads (Present): New routines. * sem_ch8.adb (Find_Direct_Name): Capture the status of elaboration checks and warnings of an identifier. (Find_Expanded_Name): Capture the status of elaboration checks and warnings of an expanded name. * sem_ch12.adb (Analyze_Generic_Package_Declaration): Ensure that invocation graph-related data within the body of the main unit is encoded in the ALI file. (Analyze_Generic_Subprogram_Declaration): Ensure that invocation graph-related data within the body of the main unit is encoded in the ALI file. (Analyze_Package_Instantiation): Perform minimal decoration of the instance entity. (Analyze_Subprogram_Instantiation): Perform minimal decoration of the instance entity. * sem_elab.adb: Perform heavy refactoring of all code. The unit is now split into "services" which specialize in one area of ABE checks. Add processing in order to capture invocation-graph related attributes of the main unit, and encode them in the ALI file. The Processing phase can now operate in multiple modes, all described by type Processing_Kind. Scenarios and targets are now distinct at the higher level, and carry their own representations. This eliminates the need to constantly recompute their attributes, and offers the various processors a uniform interface. The various initial states of the Processing phase are now encoded using type Processing_In_State, and xxx_State constants. * sem_elab.ads: Update the literals of type Enclosing_Level_Kind. Add Inline pragmas on several routines. * sem_prag.adb (Process_Inline): Ensure that invocation graph-related data within the body of the main unit is encoded in the ALI file. * sem_util.adb (Enclosing_Generic_Body, Enclosing_Generic_Unit): Code clean up. (Exceptions_OK): Relocated from Sem_Util. (Mark_Save_Invocation_Graph_Of_Body): New routine. * sem_util.ads (Exceptions_OK): Relocated from Sem_Util. (Mark_Save_Invocation_Graph_Of_Body): New routine. * sinfo.adb (Is_Elaboration_Checks_OK_Node): Now applicable to N_Variable_Reference_Marker. (Is_Elaboration_Warnings_OK_Node): Now applicable to N_Expanded_Name, N_Identifier, N_Variable_Reference_Marker. (Is_Read): Use Flag4. (Is_SPARK_Mode_On_Node): New applicable to N_Variable_Reference_Marker. (Is_Write): Use Flag5. (Save_Invocation_Graph_Of_Body): New routine. (Set_Is_Elaboration_Checks_OK_Node): Now applicable to N_Variable_Reference_Marker. (Set_Is_Elaboration_Warnings_OK_Node): Now applicable to N_Expanded_Name, N_Identifier, N_Variable_Reference_Marker. (Set_Is_SPARK_Mode_On_Node): New applicable to N_Variable_Reference_Marker. (Set_Save_Invocation_Graph_Of_Body): New routine. * sinfo.ads: Update the documentation of attributes Is_Elaboration_Checks_OK_Node, Is_Elaboration_Warnings_OK_Node, Is_SPARK_Mode_On_Node. Update the flag usage of attributes Is_Read, Is_Write. Add attribute Save_Invocation_Graph_Of_Body and update its occurrence in nodes. (Save_Invocation_Graph_Of_Body): New routine along with pragma Inline. (Set_Save_Invocation_Graph_Of_Body): New routine along with pragma Inline. * switch-b.adb (Scan_Binder_Switches): Refactor the scanning of debug switches. (Scan_Debug_Switches): New routine. * libgnat/g-dynhta.adb, libgnat/g-dynhta.ads (Contains): New routine. * libgnat/g-graphs.adb (Associate_Vertices): Update the use of Component_Vertex_Iterator. (Contains_Component, Contains_Edge, Contains_Vertex, Has_Next): Reimplemented. (Iterate_Component_Vertices): New routine. (Iterate_Vertices): Removed. (Next): Update the parameter profile. (Number_Of_Component_Vertices, Number_Of_Outgoing_Edges): New routines. * libgnat/g-graphs.ads: Update the initialization of No_Component. Add type Component_Vertex_Iterator. Remove type Vertex_Iterator. (Has_Next): Add new versions and remove old ones. (Iterate_Component_Vertices): New routine. (Iterate_Vertices): Removed. (Next): Add new versions and remove old ones. (Number_Of_Component_Vertices, Number_Of_Outgoing_Edges): New routines. * libgnat/g-sets.adb (Contains): Reimplemented. * gcc-interface/Make-lang.in (GNATBIND_OBJS): Add GNAT.Dynamic_HTables, GNAT.Graphs and Bindo units. * rtsfind.ads: Remove extra space. 2019-07-03 Yannick Moy <moy@adacore.com> * sem_spark.adb: Add support for locally borrowing and observing a path. (Get_Root_Object): Add parameter Through_Traversal to denote when we are interesting in getting to the traversed parameter. (Is_Prefix_Or_Almost): New function to support detection of illegal access to borrowed or observed paths. (Check_Pragma): Add analysis of assertion pragmas. 2019-07-03 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Build_Predicate_Functions): In a generic context we do not build the bodies of predicate fuctions, but the expression in a static predicate must be elaborated to allow case coverage checking within the generic unit. (Build_Discrete_Static_Predicate): In a generic context, return without building function body once the Static_Discrete_Predicate expression for the type has been constructed. 2019-07-03 Hristian Kirtchev <kirtchev@adacore.com> * bindgen.adb, inline.adb, layout.adb, sem_ch12.adb, sem_ch13.adb, sem_ch7.adb, styleg.adb: Minor reformatting. 2019-07-03 Bob Duff <duff@adacore.com> * par-ch3.adb (P_Defining_Identifier): Call Check_Defining_Identifier_Casing. * style.ads, styleg.ads, styleg.adb (Check_Defining_Identifier_Casing): New procedure to check for mixed-case defining identifiers. * stylesw.ads, stylesw.adb (Style_Check_Mixed_Case_Decls): New flag for checking for mixed-case defining identifiers. * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Document new feature. * gnat_ugn.texi: Regenerate. 2019-07-03 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_ugn/building_executable_programs_with_gnat.rst (Warning message control): Document that -gnatw.z/Z apply to array types. * freeze.adb (Freeze_Entity): Give -gnatw.z warning for array types as well, but not if the specified alignment is the minimum one. * gnat_ugn.texi: Regenerate. 2019-07-03 Bob Duff <duff@adacore.com> * einfo.ads, exp_util.adb, layout.ads, sinfo.ads: Spell "laid" correctly. 2019-07-03 Ed Schonberg <schonberg@adacore.com> * sem_ch13.adb (Analyze_Attribute_Definition_Clause): No error message on attribute applied to a renaming when the renamed object is an aggregate (from code reading). (Check_Aspect_At_End_Of_Declarations): In a generic context where freeze nodes are not generated, the original expression for an aspect may need to be analyzed to precent spurious conformance errors when compared with the expression that is anakyzed at the end of the current declarative list. 2019-07-03 Eric Botcazou <ebotcazou@adacore.com> * layout.adb (Layout_Type): Do not set the component size of an array with a scalar component if the component type is overaligned. 2019-07-03 Ed Schonberg <schonberg@adacore.com> * inline.adb (Make_Loop_Labels_Unique): New procedure to modify the source code of subprograms that are inlined by the front-end, to prevent accidental duplication between loop labels in the inlined code and the code surrounding the inlined call. 2019-07-03 Hristian Kirtchev <kirtchev@adacore.com> * doc/gnat_ugn/elaboration_order_handling_in_gnat.rst: Update the section on resolving elaboration circularities to eliminate certain combinations of switches which together do not produce the desired effect and confuse users. * gnat_ugn.texi: Regenerate. 2019-07-03 Arnaud Charlet <charlet@adacore.com> * bindgen.adb (Gen_Main): Disable generation of reference to Ada_Main_Program_Name for CCG. * bindusg.adb (Display): Add -G to the command-line usage for gnatbind. * opt.ads (Generate_C_Code): Update comment. * switch-b.adb (Scan_Binder_Switches): Add handling for -G. 2019-07-03 Arnaud Charlet <charlet@adacore.com> * sem_ch7.adb (Has_Referencer): Do not consider inlined subprograms when generating C code, which allows us to generate static inline subprograms. 2019-07-03 Justin Squirek <squirek@adacore.com> * sem_ch6.adb (Check_Conformance): Add expression checking for constant modifiers in anonymous access types (in addition to "non-null" types) so that they are considered "matching" for subsequent conformance tests. 2019-07-03 Arnaud Charlet <charlet@adacore.com> * doc/gnat_rm/standard_and_implementation_defined_restrictions.rst: Clarify wording on No_Multiple_Elaboration. * gnat_rm.texi: Regenerate. 2019-07-03 Ed Schonberg <schonberg@adacore.com> * sem_ch8.adb (Find_Selected_Component): If the prefix is the current instance of a type or subtype, complete the resolution of the name by finding the component of the type denoted by the selector name. 2019-07-03 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_rm/interfacing_to_other_languages.rst (Interfacing to C): Document that boolean types with convention C now map to C99 bool. * gnat_rm.texi: Regenerate. 2019-07-03 Javier Miranda <miranda@adacore.com> * exp_attr.adb (Expand_Min_Max_Attribute): Code cleanup: removing code that it is now never executed in the CCG compiler (dead code). 2019-07-02 Iain Sandoe <iain@sandoe.co.uk> * libgnat/system-darwin-ppc.ads: Set Stack_Check_Probes True for PPC Darwin. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * sem_ch12.adb (Is_Defaulted): New predicate in Check_Formal_Package_Intance, to skip the conformance of checks on parameters of a formal package that are defaulted, 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * checks.adb, exp_ch9.adb, exp_unst.adb, sem_ch4.adb, sem_prag.adb, sem_spark.adb: Minor reformatting. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * sem_attr.adb (Analyze_Attribute, case Enum_Rep): Allow prefix of attribute to be an attribute reference of a discrete type. 2019-07-01 Eric Botcazou <ebotcazou@adacore.com> * sem_ch12.adb (Analyze_Subprogram_Instantiation): Move up handling of Has_Pragma_Inline_Always and deal with Has_Pragma_No_Inline. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * sem_ch3.adb (Build_Derived_Record_Type): If the parent type is declared as a subtype of a private type with an inherited discriminant constraint, its generated full base appears as a record subtype, so we need to retrieve its oen base type so that the inherited constraint can be applied to it. 2019-07-01 Yannick Moy <moy@adacore.com> * sem_spark.adb: Completely rework the algorithm for ownership checking, as the rules in SPARK RM have changed a lot. * sem_spark.ads: Update comments. 2019-07-01 Dmitriy Anisimkov <anisimko@adacore.com> * gsocket.h (Has_Sockaddr_Len): Use the offset of sin_family offset in the sockaddr_in structure to determine the existence of length field before the sin_family. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * sem_prag.adb (Analyze_Pragma, case Weak_External): Pragma only applies to entities with run-time addresses, not to types. 2019-07-01 Piotr Trojanek <trojanek@adacore.com> * einfo.adb, sem_ch7.adb, sem_prag.adb, sem_util.adb: Update references to the SPARK RM after the removal of Rule 7.1.4(5). 2019-07-01 Piotr Trojanek <trojanek@adacore.com> * sysdep.c: Cleanup references to LynuxWorks in docs and comments. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * checks.adb (Insert_Valid_Check): Do not apply validity check to variable declared within a protected object that uses the Lock_Free implementation, to prevent unwarranted constant folding, because entities within such an object msut be treated as volatile. 2019-07-01 Eric Botcazou <ebotcazou@adacore.com> * exp_ch9.adb (Check_Inlining): Deal with Has_Pragma_No_Inline. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * exp_unst.adb (Visit_Node, Check_Static_Type): Improve the handling of private and incomplete types whose full view is an access type, to detect additional uplevel references in dynamic bounds. This is relevant to N_Free_Statement among others that manipulate types whose full viww may be an access type. 2019-07-01 Pat Rogers <rogers@adacore.com> * doc/gnat_rm/representation_clauses_and_pragmas.rst: Correct size indicated for R as a component of an array. * gnat_rm.texi: Regenerate. 2019-07-01 Justin Squirek <squirek@adacore.com> * libgnat/s-win32.ads: Add definition for ULONG, modify OVERLAPPED type, and add appropriate pragmas. 2019-07-01 Bob Duff <duff@adacore.com> * gnat1drv.adb (gnat1drv): Call Write_ALI if the main unit is ignored-ghost. 2019-07-01 Yannick Moy <moy@adacore.com> * sem_ch4.adb (Operator_Check): Refine error message. 2019-07-01 Piotr Trojanek <trojanek@adacore.com> * libgnat/a-calend.ads: Revert "Global => null" contracts on non-pure routines. 2019-07-01 Piotr Trojanek <trojanek@adacore.com> * exp_attr.adb, libgnat/g-graphs.ads: Fix typos in comments: componant -> component. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * libgnat/g-graphs.adb: Use type Directed_Graph rather than Instance in various routines. * libgnat/g-graphs.ads: Change type Instance to Directed_Graph. Update various routines that mention the type. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * libgnat/g-sets.adb: Use type Membership_Set rathern than Instance in various routines. * libgnat/g-sets.ads: Change type Instance to Membership_Set. Update various routines that mention the type. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * libgnat/g-lists.adb: Use type Doubly_Linked_List rather than Instance in various routines. * libgnat/g-lists.ads: Change type Instance to Doubly_Linked_List. Update various routines that mention the type. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * libgnat/g-dynhta.adb: Use type Dynamic_Hash_Table rather than Instance in various routines. * libgnat/g-dynhta.ads: Change type Instance to Dynamic_Hash_Table. Update various routines that mention the type. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * exp_attr.adb, exp_ch7.adb, exp_unst.adb, sem_ch3.adb, sem_util.adb, uintp.adb, uintp.ads: Minor reformatting. 2019-07-01 Javier Miranda <miranda@adacore.com> * exp_attr.adb (Expand_Min_Max_Attribute): Disable expansion of 'Min/'Max on integer, enumeration, fixed point and floating point types since the CCG backend now provides in file standard.h routines to support it. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * impunit.adb: Add GNAT.Graphs to list Non_Imp_File_Names_95. * Makefile.rtl, gcc-interface/Make-lang.in: Register unit GNAT.Graphs. * libgnat/g-dynhta.adb: Various minor cleanups (use Present rather than direct comparisons). (Delete): Reimplement to use Delete_Node. (Delete_Node): New routine. (Destroy_Bucket): Invoke the provided destructor. (Present): New routines. * libgnat/g-dynhta.ads: Add new generic formal Destroy_Value. Use better names for the components of iterators. * libgnat/g-graphs.adb, libgnat/g-graphs.ads: New unit. * libgnat/g-lists.adb: Various minor cleanups (use Present rather than direct comparisons). (Delete_Node): Invoke the provided destructor. (Present): New routine. * libgnat/g-lists.ads: Add new generic formal Destroy_Element. Use better names for the components of iterators. (Present): New routine. * libgnat/g-sets.adb, libgnat/g-sets.ads (Destroy, Preset, Reset): New routines. 2019-07-01 Dmitriy Anisimkov <anisimko@adacore.com> * libgnat/g-sothco.adb (Get_Address): Fix the case when AF_INET6 is not defined. 2019-07-01 Ed Schonberg <schonberg@adacore.com> * exp_attr.adb (Expand_Attribute_Reference, case Invalid_Value): Resolve result of call to Get_Simple_Init_Val, which may be a conversion of a literal. 2019-07-01 Hristian Kirtchev <kirtchev@adacore.com> * freeze.adb (Freeze_Expression): Remove the horrible useless name hiding of N. Insert the freeze nodes generated by the expression prior to the expression when the nearest enclosing scope is transient. 2019-07-01 Pierre-Marie de Rodat <derodat@adacore.com> * doc/gnat_ugn/building_executable_programs_with_gnat.rst: Fix formatting issues in the -gnatR section. * gnat_ugn.texi: Regenerate. 2019-06-30 Iain Sandoe <iain@sandoe.co.uk> * gnatlink.adb (Link_Step): Remove duplicate -static-libgcc switches. Push -shared-libgcc explicitly, when it is the target default (unless overidden by the static flag). When the user has put an instance of shared/static-libgcc do not push a duplicate of this. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (gnat_to_gnu_entity): Beep up comment on SAVED, and tweak comment on the assertion about the scopes of Itypes. Do not skip the regular processing for Itypes that are E_Record_Subtype with a Cloned_Subtype. Get the Cloned_Subtype for every E_Record_Subtype if the type is dummy and hasn't got its own freeze node. <E_Record_Subtype>: Save again the DECL of the Cloned_Subtype, if any. <E_Access_Subtype>: Save again the DECL of the equivalent type. (Gigi_Equivalent_Type) <E_Access_Subtype>: New case. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/utils.c (unchecked_convert): Tweak comment. Only skip dereferences when padding to have the same size on both sides. Do it for destination types with self-referential size too. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Type>: If the type requires strict alignment, then set the RM size to the type size. Rework handling of alignment and sizes of tagged types in ASIS mode. (validate_size): Rename local variable and remove special handling for strict-alignment types. * gcc-interface/utils.c (finish_record_type): Constify local variables and use properly typed constants. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (gnat_to_gnu_field): Rework error messages for fields requiring strict alignment, add explicit test on Storage_Unit for position and size, and mention type alignment for position. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (mark_visited_r): Set TYPE_SIZES_GIMPLIFIED on the main variant of a type, if any. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (set_nonaliased_component_on_array_type): Add missing guard for the presence of TYPE_CANONICAL. (set_reverse_storage_order_on_array_type): Likewise. 2019-06-29 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/gigi.h (make_packable_type): Remove default value. (value_factor_p): Tweak prototype. * gcc-interface/decl.c (gnat_to_gnu_entity): Add comment. (gnat_to_gnu_component_type): Likewise. (gnat_to_gnu_field): Likewise. Fetch the position of the field earlier and simplify the condition under which the type is packed. Declare local variable is_bitfield. Pass 1 as max_align to make_packable_type if it is set to true. (copy_and_substitute_in_layout): Pass 0 to make_packable_type. * gcc-interface/utils.c (make_packable_array_type): New function. (make_packable_type): Use it to rewrite the type of array field. (maybe_pad_type): Pass align parameter to make_packable_type. (create_field_decl): Minor tweaks. (value_factor_p): Assert that FACTOR is a power of 2 and replace the modulo computation by a masking operation. 2019-06-25 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (gnat_to_gnu_entity): Remove superfluous test in previous change. * gcc-interface/gigi.h (maybe_character_type): Fix formatting. (maybe_character_value): Likewise. 2019-06-24 Jan Hubicka <jh@suse.cz> * gcc-interface/decl.c (gnat_to_gnu_entity): Check that type is array or integer prior checking string flag. * gcc-interface/gigi.h (maybe_character_type): Likewise. (maybe_character_value): Likewise. 2019-06-24 Martin Sebor <msebor@redhat.com> * gcc-interface/utils.c (handle_nonnull_attribute): Quote attribute name. 2019-06-18 Arnaud Charlet <charlet@adacore.com> PR ada/80590 * sem_ch5.adb (Analyze_Loop_Statement): Avoid exception propagation during normal processing. 2019-06-17 Arnaud Charlet <charlet@adacore.com> PR ada/80590 * exp_ch9.adb (Expand_N_Delay_Relative_Statement): Swap the two conditions to avoid a unnecessary exception propagation in the default case. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/utils.c (handle_stack_protect_attribute): Move around. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * doc/gnat_rm/implementation_defined_pragmas.rst (Machine_Attribute): Document additional optional parameters. * sem_prag.adb (Analyze_Pragma) <Pragma_Machine_Attribute>: Accept more than one optional parameter. * gcc-interface/decl.c (prepend_one_attribute_pragma): Alphabetize the list of supported pragmas. Simplify the handling of parameters and add support for more than one optional parameter. * gcc-interface/utils.c (attr_cold_hot_exclusions): New constant. (gnat_internal_attribute_table): Add entry for no_icf, noipa, flatten, used, cold, hot, target and target_clones. (begin_subprog_body): Do not create the RTL for the subprogram here. (handle_noicf_attribute): New static function. (handle_noipa_attribute): Likewise. (handle_flatten_attribute): Likewise. (handle_used_attribute): Likewise. (handle_cold_attribute): Likewise. (handle_hot_attribute): Likewise. (handle_target_attribute): Likewise. (handle_target_clones_attribute): Likewise. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (lvalue_required_for_attribute_p): Return 0 for 'Size too. (Identifier_to_gnu): Use the actual subtype for a reference to a packed array in a return statement. (Attribute_to_gnu) <Attr_Size>: Do not strip VIEW_CONVERT_EXPRs from the prefix in every case. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (gnat_to_gnu): Remove superfluous tests on Backend_Overflow_Checks_On_Target and rework comments. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (walk_nesting_tree): New static function. (finalize_nrv): Use it to walk the entire nesting tree. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Record_Subtype>: Remove obsolete test on Is_For_Access_Subtype. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (components_to_record): Set a name on the type created for the REP part, if any. * gcc-interface/utils.c (finish_record_type): Only take the maximum when merging sizes for a variant part at offset 0. (merge_sizes): Rename has_rep parameter into max. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/utils.c (gnat_internal_attribute_table): Add support for stack_protect attribute. (handle_stack_protect_attribute): New static function. 2019-05-28 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (intrin_arglists_compatible_p): Do not return false if the internal builtin uses a variable list. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Call_to_gnu): Do not initialize the temporary created out of addressability concerns if it's for the _Init parameter of an initialization procedure. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/ada-builtin-types.def: New file. * gcc-interface/ada-builtins.def: Likewise. * gcc-interface/ada-tree.h (BUILT_IN_LIKELY): New macro. (BUILT_IN_UNLIKELY): Likewise. * gcc-interface/trans.c (independent_iterations_p): Initialize the auto-vector to 16 elements. (Call_to_gnu): Remove local variable and change the vector of actual parameters to an auto-vector. Do not convert actual parameters to the argument type for front-end built-in functions. Add support for front-end built-in functions. (build_noreturn_cond): Use internal instead of built-in function. * gcc-interface/utils.c (c_builtin_type): Include ada-builtin-types.def (install_builtin_function_types): Likewise. (install_builtin_functions): Include ada-builtins.def first. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/utils.c (maybe_pad_type): Issue the warning for the specific case of component types preferably. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Identifier_to_gnu): Minor tweaks. (gnat_to_gnu): Do not convert the result if it is a reference to an unconstrained array used as the prefix of an attribute reference that requires an lvalue. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Gigi_Types_Compatible): New predicate. (Identifier_to_gnu): Use it to assert that the type of the identifier and that of its entity are compatible for gigi. Rename a couple of local variables and separate the processing of the result type. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Call_to_gnu): Use the unpadded type when putting back an intermediate conversion the type of the actuals. 2019-05-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (gnat_to_gnu) <Shift operations>: Convert the count to the unsigned version of its base type before proceeding. 2019-05-16 Martin Sebor <msebor@redhat.com> * gcc-interface/trans.c (check_inlining_for_nested_subprog): Quote reserved names. 2019-05-08 Arnaud Charlet <charlet@adacore.com> * standard.ads.h: New file. 2019-05-07 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE> * gcc-interface/Makefile.in (install-gcc-specs): Use foreach. Honor DESTDIR. 2019-04-29 Michael K. Darling <darlingm@gmail.com> * gnatvsn.ads: Bump Library_Version to 10. 2019-04-24 Ramana Radhakrishnan <ramana.radhakrishnan@arm.com> Bernd Edlinger <bernd.edlinger@hotmail.de> Jakub Jelinek <jakub@redhat.com> PR target/89093 * raise-gcc.c (TARGET_ATTRIBUTE): Define. (continue_unwind, personality_body, PERSONALITY_FUNCTION): Add TARGET_ATTRIBUTE. 2019-04-07 Eric Botcazou <ebotcazou@adacore.com> * libgnat/i-cexten.ads (CFloat_128): New type. 2019-03-22 Dmitriy Anisimkov <anisimko@adacore.com> PR ada/89583 * libgnat/g-socket.adb (Bind_Socket, Connect_Socket, Send_Socket): Fix the computation of structure lengths passed to low level routines. (Is_IPv6_Address): Fix the number of expected colons. 2019-03-11 Martin Liska <mliska@suse.cz> * gcc-interface/misc.c (gnat_post_options): Wrap option name in string format message and fix GNU coding style. 2019-02-08 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (gnat_to_gnu) <N_Aggregate>: Minor tweak. * gcc-interface/utils.c (convert): Do not pad when doing an unchecked conversion here. Use TREE_CONSTANT throughout the function. (unchecked_convert): Also pad if the source is a CONSTRUCTOR and the destination is a more aligned array type or a larger aggregate type, but not between original and packable versions of a type. 2019-02-08 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/utils.c (max_size) <tcc_unary>: Be prepared for an operand with VOID_TYPE. 2019-02-08 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (elaborate_all_entities): Do not elaborate the entities of a package renaming another one. 2019-02-08 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Regular_Loop_to_gnu): Replace tests on individual flag_unswitch_loops and flag_tree_loop_vectorize switches with test on global optimize switch. (Raise_Error_to_gnu): Likewise. 2019-02-07 Eric Botcazou <ebotcazou@adacore.com> * libgnarl/s-linux__sparc.ads (ETIMEDOUT): Set to correct value. 2019-02-06 Arnaud Charlet <charlet@adacore.com> * libgnarl/s-linux__x32.ads: Resync list of signals with s-linux.ads 2019-01-27 Eric Botcazou <ebotcazou@adacore.com> * repinfo.adb (List_Component_Layout): Remove superfluous space for zero-sized field. * gcc-interface/ada-tree.h (TYPE_IS_EXTRA_SUBTYPE_P): New macro. * gcc-interface/gigi.h (create_extra_subtype): Declare. * gcc-interface/decl.c (TYPE_ARRAY_SIZE_LIMIT): Likewise. (update_n_elem): New function. (gnat_to_gnu_entity): Use create_extra_subtype to create extra subtypes instead of doing it manually. <E_Array_Type>: Use update_n_elem to compute the maximum size. Use the index type instead of base type for the bounds. Set TYPE_ARRAY_MAX_SIZE of the array to the maximum size. <E_Array_Subtype>: Create an extra subtype using the index type of the base array type for self-referential bounds. Use update_n_elem to compute the maximum size. Set TYPE_ARRAY_MAX_SIZE of the array to the maximum size. (gnat_to_gnu_field): Clear DECL_NONADDRESSABLE_P on discriminants. * gcc-interface/misc.c (gnat_get_alias_set): Return the alias set of the base type for an extra subtype. (gnat_type_max_size): Remove obsolete code. * gcc-interface/trans.c (Attribute_to_gnu): Minor tweak. (can_be_lower_p): Deal with pathological types. * gcc-interface/utils.c (create_extra_subtype): New function. (create_field_decl): Minor tweak. (max_size) <tcc_reference>: Compute a better value by using the extra subtypes on the self-referential bounds. <tcc_binary>: Rewrite. Deal with "negative value" in unsigned types. <tcc_expression>: Likewise. * gcc-interface/utils2.c (compare_arrays): Retrieve the original bounds of the arrays upfront. Swap only if the second length is not constant. Use comparisons on the original bounds consistently for the null tests. (build_binary_op): Use TYPE_IS_EXTRA_SUBTYPE_P macro. (build_allocator): Minor tweak. 2019-01-27 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (array_type_has_nonaliased_component): Return the same value for every dimension of a multidimensional array type. 2019-01-26 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Regular_Loop_to_gnu): Use the SLOC of the iteration scheme, if present, throughout the translation. 2019-01-26 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (gnat_to_gnu) <N_Assignment_Statement>: Use DECL_SIZE_UNIT instead of TYPE_SIZE_UNIT for the size to be assigned by a call to memset if the LHS is a DECL. 2019-01-26 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (struct loop_info_d): Remove artificial field. (Loop_Statement_to_gnu): Do not set it. 2019-01-26 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/trans.c (Iterate_Acc_Clause_Arg): Fix formatting. (Acc_gnat_to_gnu): Likewise. (Acc_Data_to_gnu): Likewise. (Acc_Var_to_gnu): Likewise. (Acc_Reduc_to_gnu): Likewise. (Acc_Size_List_to_gnu): Likewise. (Pragma_to_gnu) <Pragma_Acc_Loop>: Likewise. <Pragma_Acc_Data>): Likewise. (find_loop_for): Remove default value for parameters. * gcc-interface/trans.c (gnat_to_gnu) <N_Op_And>: Merge into... <N_Op_Eq>): ...this. 2019-01-26 Eric Botcazou <ebotcazou@adacore.com> * gcc-interface/decl.c (annotate_value) <INTEGER_CST>: Use test on the sign bit instead of on the sign of the value. <PLUS_EXPR>: Turn addition of negative constant into subtraction. <MULT_EXPR>: Add test for degenerate case. <BIT_AND_EXPR>: Simplify. 2019-01-18 Sebastian Huber <sebastian.huber@embedded-brains.de> * s-oscons-tmplt.c (AF_INET6): Do not undefine for RTEMS. 2019-01-09 Sandra Loosemore <sandra@codesourcery.com> PR other/16615 * exp_ch11.adb: Change "can not" to "cannot". * sem_ch4.adb: Likewise. 2019-01-09 Sandra Loosemore <sandra@codesourcery.com> PR other/16615 * exp_ch9.adb: Mechanically replace "can not" with "cannot". * libgnat/s-regpat.ads: Likewise. * par-ch4.adb: Likewise. * set_targ.adb: Likewise. * types.ads: Likewise. 2019-01-08 Justin Squirek <squirek@adacore.com> Revert: 2018-07-31 Justin Squirek <squirek@adacore.com> * lib-writ.adb (Write_With_Lines): Modfiy the generation of dependencies within ali files so that source unit bodies are properly listed even if said bodies are missing. Perform legacy behavior in GNATprove mode. * lib-writ.ads: Modify documentation to reflect current behavior. and: 2018-09-26 Justin Squirek <squirek@adacore.com> * lib-writ.adb, lib-writ.ads (Write_With_Lines): Add documentation and an extra conditional check for RCI units so that generated ali files will list the spec only instead of a body when a body is not found. 2019-01-04 Eric Botcazou <ebotcazou@adacore.com> * gnatvsn.ads: Bump copyright year. 2019-01-01 Jakub Jelinek <jakub@redhat.com> Update copyright years. * gnat_ugn.texi: Bump @copying's copyright year. * gnat_rm.texi: Likewise. Copyright (C) 2019 Free Software Foundation, Inc. Copying and distribution of this file, with or without modification, are permitted in any medium without royalty provided the copyright notice and this notice are preserved.