[gcc.git] / gcc / ada / ChangeLog

2012-01-27  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/ada-tree.h (DECL_ALIASED_P): New flag.
        * gcc-interface/decl.c (is_variable_size): Rename to...
        (type_has_variable_size): ...this.
        (adjust_packed): Adjust to above renaming.
        (gnat_to_gnu_field): Set DECL_ALIASED_P on the field.
        (field_is_artificial): New predicate.
        (field_is_aliased): Likewise.
        (field_has_self_size): Likewise.
        (field_has_variable_size): Likewise.
        (components_to_record): Record information for the final layout during
        the first pass on fields.
        If there is an aliased field placed after a field whose length depends
        on discriminants, put all the fields of the latter sort, last.

2012-01-27  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/gigi.h (get_minimal_subprog_decl): Declare.
        * gcc-interface/decl.c (get_minimal_subprog_decl): New function.
        * gcc-interface/trans.c (Attribute_to_gnu): Use it for the prefix of an
        Access-like attribute in a dispatch table if the subprogram is public.

2012-01-27  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/gigi.h (create_label_decl): Adjust.
        * gcc-interface/utils.c (create_label_decl): Add GNAT_NODE parameter
        and invoke gnat_pushdecl on it.  Remove obsolete settings.
        * gcc-interface/decl.c (gnat_to_gnu_entity) <E_Label>: Adjust call to
        create_label_decl.
        * gcc-interface/trans.c (gnat_to_gnu) <N_Null): Likewise.  Ignore the
        label for debugging purposes.

2012-01-27  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: For an aliased
        object with an unconstrained nominal subtype and if optimization isn't
        enabled, create a special VAR_DECL for debugging purposes.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sem_prag.ads, sem_prag.adb: Minor reformatting.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sem_ch13.adb (Analyze_Aspect_Specifications): Check for
        language defined aspect applied to renaming or formal type
        declaration (not permitted)

2012-01-23  Matthew Heaney  <heaney@adacore.com>

        * a-cdlili.adb, a-cidlli.adb, a-cbdlli.adb (Vet): Replaced
        comment with pragma Assert.

2012-01-23  Vincent Pucci  <pucci@adacore.com>

        * sem_ch12.adb (Analyze_Generic_Subprogram_Declaration): Call
        to Make_Aspect_For_PPC_In_Gen_Sub_Decl added in ASIS mode.
        * sem_prag.adb, sem_prag.ads (Make_Aspect_For_PPC_In_Gen_Sub_Decl): New
        routine. In ASIS mode, convert any PPC pragmas into aspects in generic
        subprogram declaration in order to enable the analysis of PPC boolean
        expressions.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sem_ch3.adb (Analyze_Object_Declaration): Properly
        handle Current_Value for volatile variables (also propagate
        Treat_As_Volatile from type to object).

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * sem_ch12.adb (Install_Body): Detect the case
        where the enclosing context is a package with a stub body that
        has already been replaced by the actual body. In such cases,
        the freeze node for the enclosing context must be inserted after
        the real body.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * sem_prag.adb (Analyze_Pragma, case Debug): Freeze the called
        subprogram before expanding the pragma into an if-statement with
        a block, to ensure that when the subprogram is null its body is
        properly generated before expansion.

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * sem_ch12.adb (Analyze_Associations): Alphabetize local variables and
        constants. Rename Actual_Types to Actuals_To_Freeze. Rename Next_Formal
        to Saved_Formal.
        Freeze all eligible subprograms which appear as actuals in
        the instantiation.
        (Has_Fully_Defined_Profile): New routine.
        (Renames_Standard_Subprogram): New routine.
        (Earlier): Add local variable N. Comment update. Do not use source
        locations when trying to determine whether one node precedes another.

2012-01-23  Gary Dismukes  <dismukes@adacore.com>

        * exp_ch4.adb (Expand_Concatenate): In the case
        where the result of a concatentation can be null, set the to
        result have both the low and high bounds of the right operand (not
        just the high bound, as was the case prior to this fix). Also,
        fix the saved high bound setting (Last_Opnd_High_Bound) in the
        empty string literal case (should have been low bound minus one,
        rather than plus one).

2012-01-23  Thomas Quinot  <quinot@adacore.com>

        * scos.ads, put_scos.adb, get_scos.adb (Get_SCOs, Put_SCOs): Do not
        omit statement SCOs for disabled pragmas.

2012-01-23  Matthew Heaney  <heaney@adacore.com>

        * a-cohase.ads, a-cihase.ads, a-cbhase.ads, a-coorse.ads,
        a-ciorse.ads, a-cborse.ads, a-cohama.ads, a-cihama.ads, a-cbhama.ads,
        a-coorma.ads, a-ciorma.ads, a-cborma.ads, a-cdlili.ads, a-cidlli.ads,
        a-cbdlli.ads, a-convec.ads, a-coinve.ads, a-cobove.ads (Cursor'Read,
        Cursor'Write): Declare in private part.
        (Reference_Type'Read, Reference_Type'Write): Ditto.
        (Constant_Reference_Type'Read, Constant_Reference_Type'Write): Ditto.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * a-catizo.ads, a-calend.adb, a-calend.ads, par-ch13.adb: Minor
        reformatting.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * sem_ch6.adb (Analyze_Subprogram_Declaration): Do not set the
        Corresponding_Body on a defaulted null formal subprogram.
        * sem_ch12.adb (Check_Formal_Package_Instance): No check needed
        on a defaulted formal subprogram that is a null procedure.

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * exp_ch9.adb: Update the comments involving pragma Implemented.
        * sem_ch3.adb (Check_Pragma_Implemented (Entity_Id)): Add local
        constant Subp_Alias and local variable Impl_Subp. Properly
        handle aliases of synchronized wrappers. Code cleanup.
        (Check_Pragma_Implemented (Entity_Id; Entity_Id)): Add
        Name_Optional as part of the condition.
        * sem_prag.adb (Analyze_Pragma): Add "Optional" as one of the
        valid choices of implementation kind.
        (Check_Arg_Is_One_Of): New routine.
        * snames.ads-tmlp: Add Name_Optional.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * par-ch13.adb: Better error recovery in illegal aspect
        specification.

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.adb: Add with clause for Interfaces.C. Add constant
        Unix_Max.
        (Day_Of_Week): Call the internal UTC_Time_Offset.
        (Split): Call the internal UTC_Time_Offset.
        (Time_Of): Call the internal UTC_Time_Offset.
        (Time_Zone_Operations.UTC_Time_Offset): Call internal UTC_Time_Offset.
        (UTC_Time_Offset): New library-level routine.
        * a-calend.ads (UTC_Time_Offset): Remove parameter
        Is_Historic. Update related comment on usage.
        * a-catizo.adb (UTC_Time_Offset): Removed.
        (UTC_Time_Offset (Time)): Call Time_Zone_Operations.UTC_Time_Offset.
        * a-caltizo.ads (UTC_Time_Offset): Removed.
        (UTC_Time_Offset (Time)): Add back the default expression of parameter
        Date.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sprint.ads, sprint.adb (Sprint_Node_List): Add New_Lines parameter
        (pg,po,ps): Make sure each entry starts on new line.

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * a-calend.ads, a-calend.adb: Define types int and int_Pointer. Update
        the parameter profile of procedure localtime_tzoff and its associated
        comment.
        (Day_Of_Week): Do not treat the input date as historical
        with respect to time zones.
        (Split): Do not treat the input
        date as historical with respect to time zones.  (Time_Of): Do
        not treat the input constituents as forming a historical date
        with respect to time zones.
        (UTC_Time_Offset): Add new formal
        parameter Is_Historic. Add local variable Flag. Update the call
        to localtime_tzoff.
        * a-catizo.ads, a-catizo.adb (UTC_Time_Offset): New routine.
        (UTC_Time_Offset (Time)): Update the call to
        Time_Zone_Operations.UTC_Time_Offset.
        * sysdep.c (__gnat_localtime_tzoff): Update parameter
        profile. Split the processing of offsets on Windows into two - one
        part of historic time stamps and the other for the current time.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * a-calend.adb: Minor reformatting.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * exp_ch9.adb, sem_ch9.adb: Handle array of access to synchronized
        interface in requeue statement.

2012-01-23  Cyrille Comar  <comar@adacore.com>

        * projects.texi: Remove references to main units and replace
        with references to main programs to be coherent with the
        documentation.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * s-utf_32.adb: Minor reformatting.

2012-01-23  Vincent Celier  <celier@adacore.com>

        * snames.ads-tmpl: Minor comment addition Indicate that
        Name_Library_Encapsulated_Options is only used in gprbuild.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sem_ch10.adb (Analyze_Subunit): Properly save/restore cunit
        restrictions.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * snames.ads-tmpl: Add Name_Synchronization.
        * aspects.ads, aspects.adb: Add Aspect_Synchronization to
        enumeration type and related maps.
        * sem_ch13.adb (Analyze_Aspect_Specifications): Handle Aspect
        Synchronization, build corresponding pragma Implemented.
        * sem_util.adb (Implementation_Kind): Handle both explicit and
        implicit pragma_argument association to retrieve the given
        synchronization mode.

2012-01-23  Robert Dewar  <dewar@adacore.com>

        * sem_ch10.adb, errout.adb: Minor reformatting.

2012-01-23  Ed Schonberg  <schonberg@adacore.com>

        * sem_res.adb (Resolve_Actuals): An actual in a call to an
        Ada 2012 Reference function does not lead to a dangerous order
        dependence.

2012-01-23  Gary Dismukes  <dismukes@adacore.com>

        * exp_util.adb (Is_Iterated_Container): Test
        Is_Entity_Name when searching for calls to the default iterator,
        to avoid blowing up on indirect calls which have an explicit
        dereference as the call name.

2012-01-23  Thomas Quinot  <quinot@adacore.com>

        * errout.adb (Set_Msg_Node): For an N_Expanded_Name, output
        the complete expanded name, rather than just its Selector_Name.

2012-01-23  Thomas Quinot  <quinot@adacore.com>

        * a-textio.adb (Put): Rewrite one-parameter Character version to
        just call the two-parameter one with Current_Out.

2012-01-23  Hristian Kirtchev  <kirtchev@adacore.com>

        * freeze.adb (Check_Current_Instance): Issue an
        error when the prefix of 'Unchecked_Access or 'Access does not
        denote a legal aliased view of a type.
        (Freeze_Record_Type): Do not halt the processing of record components
        once the Has_Controlled_Component is set as this bypasses the remaining
        checks.
        (Is_Aliased_View_Of_Type): New routine.

2012-01-23  Thomas Quinot  <quinot@adacore.com>

        * errout.ads, freeze.adb: Minor reformatting.

2012-01-23  Thomas Quinot  <quinot@adacore.com>

        * sem_ch10.adb, sem_prag.adb: Remove redundant apostrophes in error
        messages.

2012-01-23  Olivier Hainque  <hainque@adacore.com>

        * adadecode.c (__gnat_decode): Deal with empty input early,
        preventing potential erroneous memory access later on.

2012-01-21  Eric Botcazou  <ebotcazou@adacore.com>

        PR ada/46192
        * gcc-interface/decl.c (gnat_to_gnu_entity) <object>: In the case of a
        renaming, preserve the volatileness through the indirection, if any.

2012-01-14  Andreas Schwab  <schwab@linux-m68k.org>

        * gcc-interface/Makefile.in (OSCONS_EXTRACT): Add
        $(GNATLIBCFLAGS).

2012-01-10  Pascal Obry  <obry@adacore.com>

        * prj-nmsc.adb (Check_Library_Attributes):
        Kill check for object/source directories for aggregate libraries.

2012-01-10  Matthew Heaney  <heaney@adacore.com>

        * a-cdlili.adb, a-cdlili.ads, a-cihama.adb, a-cihama.ads, a-coinve.adb,
        a-coinve.ads, a-ciorse.adb, a-ciorse.ads, a-coorma.adb, a-coorma.ads,
        a-cborma.adb, a-cborma.ads, a-cidlli.adb, a-cidlli.ads, a-cimutr.adb,
        a-cimutr.ads, a-cihase.adb, a-cihase.ads, a-cohama.adb, a-cohama.ads,
        a-coorse.adb, a-coorse.ads, a-cbhama.adb, a-cbhama.ads, a-cborse.adb,
        a-cborse.ads, a-comutr.adb, a-comutr.ads, a-ciorma.adb, a-cobove.adb,
        a-ciorma.ads, a-cobove.ads, a-convec.adb, a-convec.ads, a-cohase.adb,
        a-cohase.ads, a-cbdlli.adb, a-cbdlli.ads, a-cbmutr.adb, a-cbmutr.ads,
        a-cbhase.adb, a-cbhase.ads (Reference, Constant_Reference): Declare
        container parameter as aliased in/in out.
        Code clean ups.

2012-01-10  Bob Duff  <duff@adacore.com>

        * s-os_lib.ads: Improve comment.

2012-01-10  Geert Bosch  <bosch@adacore.com>

        * s-gearop.adb (Forward_Eliminate): Avoid improper aliasing
        for complex Scalar.

2012-01-10  Bob Duff  <duff@adacore.com>

        * sem_intr.adb (Check_Shift): Use RM_Size instead of Esize, when
        checking that the 'Size is correct. If the type is "mod 2**12",
        for example, it's illegal, but Esize is the 'Object_Size, which
        will be something like 16 or 32, so the error ('Size = 12) was
        not detected.
        * gnat_rm.texi: Improve documentation of shift
        and rotate intrinsics.

2012-01-10  Pascal Obry  <obry@adacore.com>

        * prj.adb (For_Every_Project_Imported): Fix
        implementation to make sure we return each project only once
        for aggragte libraries. It is fine to return a project twice for
        aggregate projects, this was the case as a Project_Id is different
        in each project tree. The new implementation use a table based on
        the project name to ensure proper detection of duplicate project
        in aggregate library. A new context is then created to continue
        retrurning duplicate project for aggregate libraries.

2012-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (call_to_gnu): Create the temporary for the
        return value in the variable-sized return type case if the target is
        an array with fixed size.  However, do not create it if this is the
        expression of an object declaration.

2012-01-09  Eric Botcazou  <ebotcazou@adacore.com>

        * gcc-interface/trans.c (addressable_p) <COMPONENT_REF>: Fix thinko.

2012-01-06  Robert Dewar  <dewar@adacore.com>

        * a-wichha.ads, a-wichun.ads, a-zchhan.ads, a-zchuni.ads,
        s-utf_32.ads: Add pragma Pure
        * s-utf_32.adb: Suppress warnings on non-static constants (now
        that this is Pure).

2012-01-06  Bob Duff  <duff@adacore.com>

        * s-rpc.ads (Read, Write): Add overriding indicators.

2012-01-06  Robert Dewar  <dewar@adacore.com>

        * gnat_rm.texi: Add documentation for conventions
        Ada_Pass_By_Copy and Ada_Pass_By_Reference.

2012-01-06  Gary Dismukes  <dismukes@adacore.com>

        * a-tienio.adb (Put): Add exception message on
        raise statements. Remove unneeded blocks and object declarations.

2012-01-06  Robert Dewar  <dewar@adacore.com>

        * sem_prag.adb: Minor reformatting.

2012-01-06  Ed Schonberg  <schonberg@adacore.com>

        * sinfo.ads, sinfo.adb (Has_Prefixed_Call): New flag to indicate
        that a selected component within a generic unit has been resolved
        as a prefixed call with local references.
        * sem_ch3.adb (Is_Visible_Component): In an instance body a selected
        component is always visible.
        * sem_ch4.adb (Analyze_Selected_Component): If the node is a
        prefixed call in an instance, do not look for visible components
        of the type.
        * sem_ch12.adb (Reset_Entity): If a selected component has resolved
        to a prefixed call, mark the node accordingly when prefix and
        selector are local references.

2012-01-02  Eric Botcazou  <ebotcazou@adacore.com>

        * gnatvsn.ads (Current_Year): Bump to 2012.
\f
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