Development Log

  • SPARK Pro
    Sep 27th, 2016

    Support for type invariants
    The tools now have initial support for type invariants (SRM 7.3.2). A type invariant can be specified on the completion of a private type. This invariant can be assumed anywhere outside the package where the type is declared; and is checked inside the package. Type invariants are useful to simplify a common pattern where an invariant is added to the pre- and post-conditions of all subprograms in a package.

  • GNAT Pro
    Sep 27th, 2016

    More efficient integer overflow checking
    The compiler now generates more efficient code for the overflow checking required by the arithmetical operations on signed integer types.

  • CodePeer
    Sep 27th, 2016

    New switch -f
    A new switch -f is provided to force reanalysis when using the -compiler-mode switch, instead of doing an incremental analysis only, and to force generation and analysis of scil files for all source files in the default mode.

  • GNAT Pro | GPS | GNATbench
    Sep 26th, 2016

    GPS: cross-references from runtime files
    It is now possible to force GPS to index runtime files so that you can perform cross-references from them (it was always possible to cross-ref from your own sources to the runtime). This takes longer to index, so is disabled by default. See the preference Project/Cross References in Runtime Files.

  • GNATCOLL.Scripts.Execute_Expression: new function
    This new function can be used to execute any python expression (not just function calls) and retrieve their result without knowing in advance whether it will return a string, list of string, boolean,...

  • GNAT Pro | GPS | GNATbench
    Sep 23rd, 2016

    GPS: toolchain information in About dialog
    The About dialog now contains the name of the current project's toolchain if this toolchain is not the native one.

  • GNAT Pro | GPS | GNATbench
    Sep 22nd, 2016

    GNATdoc: Documentation_Dir attribute
    Attribute Documentation_Dir is defined in Documentation package now. Attribute with same name in package IDE is obsolete. Its support will be removed in future version of GNATdoc.

  • SPARK Pro
    Sep 22nd, 2016

    Better handling of ‘Length on modular index types
    The translation of the 'Length array attribute has been improved to avoid unecessary conversions when the index type is a modular integer type. This should improve provability whenever 'Length is used on a modular index type in contracts.

  • GNAT Pro | GPS | GNATbench
    Sep 22nd, 2016

    GPS: Windows view sort order
    Two new settings have been added to the Windows view: you can now choose whether to show nodes for notebooks that have a single window (the default is still to display the window itself, but not its notebook in this case); and you can choose whether to sort windows alphabetically, or to preserve the order of tabs within the notebooks. When the notebooks are not displayed, and sorting is disabled, the order depends on which window had the keyboard focus last, which provides a convenient way of switching quickly between a few editors among a lot of them.

  • GNAT Pro
    Sep 21st, 2016

    Improved warning for value not referenced
    The wording of two warnings related to values assigned to an object but possibly never referenced has been adjusted to reflect that these values might actually be referenced in some corner cases (namely, components of a controlled object might be referenced during the finalization of that object).

  • GNAT Pro
    Sep 21st, 2016

    No_Elaboration_Code_All for System.Machine_Code
    Package System.Machine_Code can now be with-ed by packages that have the pragma No_Elaboration_Code_All, supporting execution of code before elaboration.

  • GNAT Pro | GPS | GNATbench
    Sep 20th, 2016

    GPS: using keyboard in Outline view
    It is now possible to use <enter> in the Outline to jump to the corresponding entity (same as clicking on the line).

  • GNAT Pro | GPS | GNATbench
    Sep 20th, 2016

    GPS: mouse buttons 4 and 5 for locations
    The mouse buttons 4 and 5 (available on some high-end mice) are mapped to the locations command, and used to move in the locations history (back to the previous position, and back). This is hard-coded, and cannot be changed.

  • GNAT Pro | GPS | GNATbench
    Sep 20th, 2016

    GPS: new action “locate in Files view”
    GPS now exports a new action to find the current file in the Files view. This action is not visible by default in the contextual menu (as opposed to Locate in Project view) in an effort to keep the menu simple. However, it can be added with a small python script as in:

         GPS.Action("Locate in Files view").contextual("Locate in Files")
    
    The menu /Navigate/Locate in Files view has been added.

  • GNAT Pro | GPS | GNATbench
    Sep 20th, 2016

    GPS: ask before overwriting read-only file
    GPS now checks the permission on the disk before saving a file (rather than just the read-only status of the editor). If the file is read-only on the disk, it displays a confirmation dialog to let you chose whether to overwrite (and, in the context of Clearcase, hijack the file).

  • GNAT Pro | GPRbuild
    Sep 20th, 2016

    GPRinstall support for separate ALI directory
    The new GPRinstall's --ali-subdir option can be used to install the ALI files into a specific directory.

  • GNAT Pro | GPS | GNATbench
    Sep 19th, 2016

    ECL: AJIS examples integration
    A new "AJIS examples" importer is now available. It is accessible from "File > Import..." menu in Ada folder. This importer requires AJIS 17.0.20160919w or later installation. These AJIS versions contain GNATbench examples that can be imported, built, run and debugged in GNATbench without modifications.

  • GNAT Pro | GPS | GNATbench
    Sep 16th, 2016

    GPS: display list of mains as flat menu
    When a project (and its subprojects) have a small number of main units, and the root project is not an aggregate, we display the /Build/Project/, /Build/Run/ and /Debug/Initialize menus as a flat list of mains, rather than introduce one extra level of menu for the name of the project.

  • GNAT Pro | GPS | GNATbench
    Sep 16th, 2016

    GPS: contextual menu to set watchpoint
    Right-clicking on a variable while the debugger is running will now set a watchpoint, so that the debugger stops any time the variable is modified.

  • CodePeer
    Sep 15th, 2016

    Messages involving loop imprecision marked low
    CodePeer is now able to identify messages where loop imprecision is involved and is making messages uncertain, which are marked low now by default instead of medium.

  • GNAT Pro | GPS | GNATbench
    Sep 14th, 2016

    GPS: new menu /File/Reset All Perspectives
    This menu restores the default window layout. This is in particular useful to reset the Debug perspective that has changed in this release of GPS.

  • GNAT Pro
    Sep 14th, 2016

    Include units requiring extended Ravenscar
    The "Ravenscar-full" runtime libraries now contain language-defined and GNAT-defined packages that require the extended Ravenscar profile defined by GNAT. Specifically, Ada.Synchronous_Barriers, GNAT.Semaphores, GNAT.Bounded_Buffers, and GNAT.Bounded_Mailboxes are now available.

  • GNAT Pro | GPS | GNATbench
    Sep 13th, 2016

    GPS: GPS.Process accepts a list of args
    The Python GPS.Process() now accepts the command as a list of arguments instead of a string, which makes it easier to handle arguments with spaces (no need for quoting)

  • GNAT Pro
    Sep 10th, 2016

    Update Ada.Locales for RM 2012 COR:1:2016
    Update the Ada.Locales interface to conform to the RM 2012 COR:1:2016. The type definitions for Language_Code and Country_Code are now using dynamic predicates.

  • SPARK Pro
    Sep 9th, 2016

    Suppressed unnecessary warning message
    For a null default subprogram defined in the formal part of a generic unit, now GNATprove does not emit a warning about formal parameters of the subprogram being unused and/or unmodified.

  • GNAT Pro | GPS | GNATbench
    Sep 8th, 2016

    GPS: GUI enhancements to the Omnisearch
    The Omnisearch feature has received a number of enhancements:

       - A default key shortcut (control-u) brings up the omnisearch
    
       - When bringing up the omnisearch through the key shortcut
         completions start appearing even before anything is typed
         in the entry. This allows, for instance, using the arrow keys
         to select one of the currently open windows.
    
       - The size of the popup window has been increased to take up to
         2/3 of the main window. This is useful when listing directories
         with long names, for instance.
    
       - The highlighting of the fuzzy-matched characters now uses a
         color.
    
       - If the text in the global entry has been manually deleted,
         it no longer reappears next time the search is activated.
    

  • GNAT Pro | GPS | GNATbench
    Sep 8th, 2016

    GPS: new %TP macro in builder targets
    A new macro %TP is available in builder targets. It will be replaced with the name of the project file to which the main unit belongs. It is for instance used when you do not want to pass the root project to gprbuild, but directly the unit's own project

  • GNAT Pro | GPS | GNATbench
    Sep 5th, 2016

    GPS: outline option to hide parameter names
    A new setting for the Outline view allows you to hide the name of parameters in the profile of subprograms. This saves some space, and helps differentiate homonym subprograms.

  • GNAT Pro | GPRbuild
    Sep 5th, 2016

    New gprname switch—RTS=
    gprname has now a switch --RTS= like all other GPR tools, as it is necessary for targets that do not have a default runtime.

  • GNAT Pro | GPRbuild
    Sep 3rd, 2016

    GPRinstall support for separate debug symbol file
    The new GPRinstall's --side-debug option can be used to write debug symbols out of executables and libraries into a separate file. If the executable to be installed is named main, then the debug information is moved into the file main.debug and is removed from the executable.

  • GNAT Pro | GPS | GNATbench
    Sep 2nd, 2016

    GPS: Pass the configuration file to the builder
    The configuration file (.cgpr) set by the "--config" command-line switch is now passed on to the builder. Also, GPS now also passes the configuration file which was automatically generated when the "--autoconf" option was given.

  • GNAT Pro
    Sep 1st, 2016

    Sjlj runtimes switched to back-end setjmp/longjmp
    The setjmp/longjmp (sjlj) runtimes of our gcc based ports are now all relying on the gcc core mechanisms for exception handling, with improved efficiency compared to the previous scheme.

  • GNAT Pro
    Sep 1st, 2016

    AI12-061 : iterated component associations
    Ada issue AI12-061 introduces a new construct in array aggregates allowing component associations to be parameterized by a loop variable, for example:

      Squares : Array (1 .. 10) of Integer := (for I in 1 .. 10 => I ** 2);
    
      type Matrix is array (Positive range <>, Positive range <>) of Float;
    
      G : constant Matrix :=
          (for I in 1 .. 4 =>
             (for J in 1 .. 4 =>
                (if I=J then 1.0 else 0.0))); -- Identity matrix
    
    
    The expression in such an association can also be a function that returns a limited type, and the range can be specified by an 'others' choice.

  • GNAT Pro
    Sep 1st, 2016

    Removing redundant invariant check on array type
    The type invariant of a constrained array component type is no longer verified multiple times when performing invariant checks.

  • GNAT Pro | GPS | GNATbench
    Aug 31st, 2016

    GPS: search icons in GPS_CUSTOM_PATH
    Icons used in plug-ins are now also searched in any of the directories specified in the environment variable GPS_CUSTOM_PATH.

  • GNAT Pro
    Aug 31st, 2016

    Include package Ada.Numerics.Real_Arrays
    The Ravenscar "full" runtime libraries now include the language-defined package Ada.Numerics.Real_Arrays.

  • SPARK Pro
    Aug 29th, 2016

    Assume Initial_Condition of withed units
    When checking compilation units, we now assume that the Initial_Condition aspect of each withed unit holds. It results in more discharged verification conditions in particular on main units.

  • SPARK Pro
    Aug 29th, 2016

    Counterexamples involving quantified expressions
    Some counterexamples are now printed for universally quantified variables (in loop invariants for example).

  • GNAT Pro
    Aug 28th, 2016

    gnatbind: New elaboration order algorithm
    A new elaboration order algorithm is implemented, which is likely to be friendlier in most cases, especially with existing code that works with other compilers. It has the following useful properties:

      - Considering the graph of library units, each strongly connected component
        (SCC) is elaborated together, with no intervening units from other SCCs.
        In the absence of cycles in this graph, an SCC is a single library unit.
        If there are cycles, an SCC is a maximal group of units with cyclic
        dependences. Note that the nodes of this graph are library units, not
        library items. Cycles among library items are illegal (e.g. two specs
        cannot mention each other in nonlimited with clauses). Cycles among
        library units are legal (two packages may be mutually recursive, so long
        as at least one dependence is via a body.
    
     - In particular, this implies that if an SCC contains just a spec and the
       corresponding body, and nothing else, the body will be elaborated
       immediately after the spec. This is expected to result in a better
       elaboration order for most programs, because in this case, a call from
       outside the library unit cannot get ABE.
    
     - The elaboration order chosen is the same in static and dynamic mode.
    
     - Pragmas Elaborate_All (explicit and implicit) are ignored. Instead, we
       behave as if every legal pragma Elaborate_All were present. That is, if it
       would be legal to have "pragma Elaborate_All(Y);" on X, then we behave as
       if such a pragma exists, even if it does not.
    

  • GNAT Pro
    Aug 26th, 2016

    Support of Cortex-M0/M0+/M1 on arm-elf platform
    The arm-elf bareboard compiler now supports Cortex-M0, Cortex-M0+ and Cortex-M1 cores. At this time there is no provided runtimes, but users can write their own ones.

  • CodePeer
    Aug 19th, 2016

    More info when reviewing a message in GPS
    The GPS dialog for reviewing a single message now contains information about the message, similarly to the dialog for reviewing multiple messages.

  • GNAT Pro | GPS | GNATbench
    Aug 19th, 2016

    GPS: more info when reviewing a codepeer message
    The CodePeer dialog for reviewing a single message now contains information about a message, similariliy to the dialog for reviewing multiple messages.

  • GNAT Pro
    Aug 19th, 2016

    gnatcheck: In incremental mode, reflag errors
    In --incremental mode, if gnatcheck gives an error message on a certain file, and you run it again, it will now give the error message on that file again.

  • GNAT Pro | GPS | GNATbench
    Aug 17th, 2016

    GPS: preserve more build errors after recompiling
    When the Locations view contains build errors, and one of the files is being recompiled, the Locations view will now only update the entries for that file, rather than removing all build errors.

  • SPARK Pro
    Aug 16th, 2016

    Improved documentation
    The UG section 8.6.4. Proof Limitations does now better document the support for storage place attributes. In particular, it states that First_Bit, Last_Bit and Position attributes are supported but in case there is no record representation clause then their value is assumed to be nonnegative.

  • GNAT Pro | XMLAda
    Aug 16th, 2016

    schema: large values of maxOccurs
    Values of maxOccurs larger than 300 previously resulted in an XML validation error. This is instead a limitation of XML/Ada, so this has now been changed to a warning (we still recommend using "unbounded" to limit the size of the state machine, but XML/Ada will now try to build that machine and use the XSD nonetheless).

  • CodePeer
    Aug 16th, 2016

    Speedup CodePeer WebServer startup
    Startup time of CodePeer web server with large dababase was significantly reduced.

  • GNAT Pro
    Aug 16th, 2016

    Better error message on selected component
    Compiler provides a better error report on a selected component Nam.Comp which appears in an object declaration, when Nam has several visible interpretations as a function, and there is a non-visible package in the context with the same name.

  • GNAT Pro
    Aug 10th, 2016

    Removing redundant checks on type conversions
    Conversions to Standard_Integer of an attribute reference 'Pos applied to a nonstatic expression of an enumeration type do not generate a constraint check, given that the number of literals of any such type will not exceed Integer'Last.

  • GNAT Pro | GPS | GNATbench
    Aug 8th, 2016

    GPS: wrong file view for multi-drive projects
    When the 'Show files from project only' option is enabled, the Files view now correctly displays the project files that reside on multiple logical drives.

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