2016-10-11 Andris Pavenis <andris.pavenis@iki.fi>
* adaint.c: Include process.h, signal.h, dir.h and utime.h for DJGPP.
ISALPHA: include <ctype.h> and define to isalpha for DJGPP when IN_RTS is defined.
(DIR_SEPARATOR) define to '\\' for DJGPP.
(__gnat_get_file_names_case_sensitive): return 0 for DJGPP unless
overriden in environment
(__gnat_is_absolute_path): Support MS-DOS style absolute paths for DJGPP.
(__gnat_portable_spawn): Use spewnvp for DJGPP.
(__gnat_portable_no_block_spawn): Use spawnvp for DJGPP.
(__gnat_portable_wait): Return 0 for DJGPP.
From-SVN: r240999
2016-10-11 Andris Pavenis <andris.pavenis@iki.fi>
* gcc-interface/Makefile.in (LIBGNAT_TARGET_PAIRS): Define for DJGPP target
(EH_MECHANISM): Define to -gcc for DJGPP
* system-djgpp.ads: New file
From-SVN: r240998
2016-10-11 Andris Pavenis <andris.pavenis@iki.fi>
* ctrl_c.c: Do not use macro SA_RESTART for DJGPP.
* gsocket.h: Do not support sockets for DJGPP.
* init.c (__gnat_install_handler): Implememt for DJGPP
* sysdep.c: Include <io.h> for DJGPP
(_setmode): Define to setmode for DJGPP
(__gnat_set_mode): Add implementation for DJGPP
(__gnat_localtime_tzoff): Use localtime_r for DJGPP
* terminals.c: Add DJGPP to list of unsupported platforms.
* env.c (__gnat_clearenv): use _gnat_unsetenv on all entries for DJGPP
From-SVN: r240997
* exp_dbug.adb (Debug_Renaming_Declaration): Process underlying types.
Emit GNAT encodings for object renamings involving record components
whose normalized bit offset is not null.
* uintp.h (UI_No_Uint): Declare.
* gcc-interface/gigi.h (can_materialize_object_renaming_p): New.
* gcc-interface/utils.c (can_materialize_object_renaming_p): New
function.
* gcc-interface/trans.c (gnat_to_gnu) <N_Object_Renaming_Declaration>:
In code generation mode, materialize all renamings as long as they need
debug info and we are not optimizing.
From-SVN: r240985
* gcc-interface/utils2.c (build_binary_op): Add a NO_FOLD
argument. Disable folding when true.
* gcc-interface/gigi.h (choices_to_gnu): Remove declaration.
(build_binary_op): Update signature and comment.
* gcc-interface/decl.c (choices_to_gnu): Make static. Disable
folding for all calls to build_binary_op.
From-SVN: r240978
* gcc-interface/utils.c (type_unsigned_for_rm): New predicate.
(make_type_from_size): Use it.
(unchecked_convert): Likewise. Do not skip the extension step if the
source type is not integral.
From-SVN: r240975
* gcc-interface/decl.c (gnat_to_gnu_entity): Put volatile qualifier
on types at the very end of the processing.
(gnat_to_gnu_param): Remove redundant test.
(change_qualified_type): Do nothing for unconstrained array types.
From-SVN: r240915
* gcc-interface/utils2.c (find_common_type): Do not return the LHS type
if it's an array with non-constant lower bound and the RHS type is an
array with a constant one.
From-SVN: r240913
I'm going to hookize TARGET_FLT_EVAL_METHOD, so the current definition
of TARGET_FLT_EVAL_METHOD_NON_DEFAULT will stop working.
The relaxation enabled by TARGET_FLT_METHOD_NON_DEFAULT isn't portable,
and keeping it in place is tricky, so this patch removes it, and poisons
TARGET_FLT_EVAL_METHOD_NON_DEFAULT in system.h to prevent future use.
gcc/
* defaults.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Remove.
* system.h (TARGET_FLT_EVAL_METHOD_NON_DEFAULT): Poison.
gcc/c-family/
* c-opts.c (c_common_post_options): Remove special case for
TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard
in C++.
gcc/java/
* lang.c (java_post_options): Remove special case for
TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard.
gcc/fortran/
* options.c (gfc_post_options): Remove special case for
TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard.
gcc/ada/
* gcc-interface/misc.c (gnat_post_options): Remove special case for
TARGET_FLT_EVAL_METHOD_NON_DEFAULT with -fexcess-precision=standard.
From-SVN: r240614
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Access_Type>: Also use
the void pointer type if the designated type is incomplete and has no
full view in LTO mode.
<E_Access_Protected_Subprogram_Type>: Adjust comment.
<E_Incomplete_Type>: Likewise.
* gcc-interface/trans.c (Call_to_gnu): Do not convert to the type of
the actual if it is a dummy type.
From-SVN: r238333
* gcc-interface/trans.c (add_decl_expr): Minor tweak.
* gcc-interface/utils.c (create_var_decl): For an external variable,
also clear TREE_READONLY in LTO mode if the initializer is not a valid
constant and set DECL_READONLY_ONCE_ELAB instead.
From-SVN: r238206
2016-07-07 Ed Schonberg <schonberg@adacore.com>
* exp_ch6.adb (Expand_Internal_Init_Call): Subsidiary procedure
to Expand_Protected_ Subprogram_Call, to handle properly a
call to a protected function that provides the initialization
expression for a private component of the same protected type.
* sem_ch9.adb (Analyze_Protected_Definition): Layout must be
applied to itypes generated for a private operation of a protected
type that has a formal of an anonymous access to subprogram,
because these itypes have no freeze nodes and are frozen in place.
* sem_ch4.adb (Analyze_Selected_Component): If prefix is a
protected type and it is not a current instance, do not examine
the first private component of the type.
2016-07-07 Arnaud Charlet <charlet@adacore.com>
* exp_imgv.adb, g-dynhta.adb, s-regexp.adb, s-fatgen.adb, s-poosiz.adb:
Minor removal of extra whitespace.
* einfo.ads: minor removal of repeated "as" in comment
2016-07-07 Vadim Godunko <godunko@adacore.com>
* adaint.c: Complete previous change.
From-SVN: r238117
2016-07-07 Vadim Godunko <godunko@adacore.com>
* adainit.h, adainit.c (__gnat_is_read_accessible_file): New
subprogram.
(__gnat_is_write_accessible_file): New subprogram.
* s-os_lib.ads, s-os_lib.adb (Is_Read_Accessible_File): New subprogram.
(Is_Write_Accessible_File): New subprogram.
2016-07-07 Justin Squirek <squirek@adacore.com>
* sem_ch12.adb (Install_Body): Minor refactoring in the order
of local functions.
(In_Same_Scope): Change loop condition to be more expressive.
From-SVN: r238116
2016-07-07 Gary Dismukes <dismukes@adacore.com>
* sem_ch3.adb, sem_prag.adb, sem_prag.ads, prj-ext.adb, freeze.adb,
sem_attr.adb: Minor reformatting, fix typos.
2016-07-07 Justin Squirek <squirek@adacore.com>
* sem_ch12.adb (In_Same_Scope): Created this function to check
a generic package definition against an instantiation for scope
dependancies.
(Install_Body): Add function In_Same_Scope and
amend conditional in charge of delaying the package instance.
(Is_In_Main_Unit): Add guard to check if parent is present in
assignment of Current_Unit.
From-SVN: r238115
2016-07-07 Ed Schonberg <schonberg@adacore.com>
* sem_prag.ads, sem_prag.adb (Build_Classwide_Expression): Include
overridden operation as parameter, in order to map formals of
the overridden and overring operation properly prior to rewriting
the inherited condition.
* freeze.adb (Check_Inherited_Cnonditions): Change call to
Build_Class_Wide_Expression accordingly. In Spark_Mode, add
call to analyze the contract of the parent operation, prior to
mapping formals between operations.
2016-07-07 Arnaud Charlet <charlet@adacore.com>
* adabkend.adb (Scan_Back_End_Switches): Ignore -o/-G switches
as done in back_end.adb.
(Scan_Compiler_Args): Remove special case for CodePeer/SPARK, no longer
needed, and prevents proper handling of multi-unit sources.
2016-07-07 Thomas Quinot <quinot@adacore.com>
* g-sechas.adb, g-sechas.ads (GNAT.Secure_Hashes.H): Add Hash_Stream
type with Write primitive calling Update on the underlying context
(and dummy Read primitive raising P_E).
2016-07-07 Thomas Quinot <quinot@adacore.com>
* sem_ch13.adb: Minor reformatting.
From-SVN: r238111
2016-07-07 Yannick Moy <moy@adacore.com>
* sem_ch6.adb (Process_Formals): Set ghost flag
on formal entities of ghost subprograms.
* ghost.adb (Check_Ghost_Context.Is_OK_Ghost_Context): Accept ghost
entities in use type clauses.
From-SVN: r238106
2016-07-06 Javier Miranda <miranda@adacore.com>
* sem_ch6.adb (Check_Inline_Pragma): if the subprogram has no spec
then move its aspects to the internally built subprogram spec.
From-SVN: r238052
2016-07-06 Yannick Moy <moy@adacore.com>
* sem_ch6.adb (Analyze_Expression_Function): Mark body of
expression function as ghost if needed when created.
* sem_prag.adb (Analyze_Pragma.Process_Inline.Set_Inline_Flags):
Remove special case.
From-SVN: r238051
2016-07-06 Arnaud Charlet <charlet@adacore.com>
* lib.adb (Check_Same_Extended_Unit): Complete previous change.
* sem_intr.adb (Errint): New parameter Relaxed. Refine previous
change to only disable errors selectively.
* sem_util.adb: minor style fix in object declaration
2016-07-06 Yannick Moy <moy@adacore.com>
* sem_warn.adb (Check_Infinite_Loop_Warning.Find_Var): Special case a
call to a volatile function, so that it does not lead to a warning in
that case.
2016-07-06 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch12.adb, sem_ch4.adb, sem_ch6.adb: Minor reformatting.
2016-07-06 Hristian Kirtchev <kirtchev@adacore.com>
* gnat1drv.adb: Code clean up. Do not emit any
code generation errors when the unit is ignored Ghost.
2016-07-06 Ed Schonberg <schonberg@adacore.com>
* sem_eval.adb (Check_Non_Static_Context): If the expression
is a real literal of a floating point type that is part of a
larger expression and is not a static expression, transform it
into a machine number now so that the rest of the computation,
even if other components are static, is not evaluated with
extra precision.
2016-07-06 Javier Miranda <miranda@adacore.com>
* sem_ch13.adb (Freeze_Entity_Checks): Undo previous patch and move the
needed functionality to Analyze_Freeze_Generic_Entity.
(Analyze_Freeze_Generic_Entity): If the entity is not already frozen
and has delayed aspects then analyze them.
2016-07-06 Yannick Moy <moy@adacore.com>
* sem_prag.adb (Analyze_Pragma.Process_Inline.Set_Inline_Flags):
Special case for unanalyzed body entity of ghost expression function.
From-SVN: r238050
2016-07-06 Javier Miranda <miranda@adacore.com>
* sem_ch7.adb (Analyze_Package_Specification): Insert its
freezing nodes after the last declaration. Needed to ensure
that global entities referenced in aspects of frozen types are
properly handled.
* freeze.adb (Freeze_Entity): Minor code reorganization to ensure
that freezing nodes of generic packages are handled.
* sem_ch13.adb (Freeze_Entity_Checks): Handle N_Freeze_Generic nodes.
* sem_ch12.adb (Save_References_In_Identifier): Handle selected
components which denote a named number that is constant folded
in the analyzed copy of the tree.
From-SVN: r238047
2016-07-06 Hristian Kirtchev <kirtchev@adacore.com>
* exp_aggr.adb Remove with and use clauses for Exp_Ch11 and Inline.
(Initialize_Array_Component): Protect the initialization
statements in an abort defer / undefer block when the associated
component is controlled.
(Initialize_Record_Component): Protect the initialization statements
in an abort defer / undefer block when the associated component is
controlled.
(Process_Transient_Component_Completion): Use Build_Abort_Undefer_Block
to create an abort defer / undefer block.
* exp_ch3.adb Remove with and use clauses for Exp_ch11 and Inline.
(Default_Initialize_Object): Use Build_Abort_Undefer_Block to
create an abort defer / undefer block.
* exp_ch5.adb (Expand_N_Assignment_Statement): Mark an abort
defer / undefer block as such.
* exp_ch9.adb (Find_Enclosing_Context): Do not consider an abort
defer / undefer block as a suitable context for an activation
chain or a master.
* exp_util.adb Add with and use clauses for Exp_Ch11.
(Build_Abort_Undefer_Block): New routine.
* exp_util.ads (Build_Abort_Undefer_Block): New routine.
* sinfo.adb (Is_Abort_Block): New routine.
(Set_Is_Abort_Block): New routine.
* sinfo.ads New attribute Is_Abort_Block along with occurrences
in nodes.
(Is_Abort_Block): New routine along with pragma Inline.
(Set_Is_Abort_Block): New routine along with pragma Inline.
2016-07-06 Justin Squirek <squirek@adacore.com>
* sem_ch4.adb (Analyze_One_Call): Add a conditional to handle
disambiguation.
From-SVN: r238045
2016-07-06 Hristian Kirtchev <kirtchev@adacore.com>
* einfo.adb Flag252 is now used as Is_Finalized_Transient. Flag295
is now used as Is_Ignored_Transient.
(Is_Finalized_Transient): New routine.
(Is_Ignored_Transient): New routine.
(Is_Processed_Transient): Removed.
(Set_Is_Finalized_Transient): New routine.
(Set_Is_Ignored_Transient): New routine.
(Set_Is_Processed_Transient): Removed.
(Write_Entity_Flags): Output Flag252 and Flag295.
* einfo.ads: New attributes Is_Finalized_Transient
and Is_Ignored_Transient along with occurrences in
entities. Remove attribute Is_Processed_Transient.
(Is_Finalized_Transient): New routine along with pragma Inline.
(Is_Ignored_Transient): New routine along with pragma Inline.
(Is_Processed_Transient): Removed along with pragma Inline.
(Set_Is_Finalized_Transient): New routine along with pragma Inline.
(Set_Is_Ignored_Transient): New routine along with pragma Inline.
(Set_Is_Processed_Transient): Removed along with pragma Inline.
* exp_aggr.adb Add with and use clauses for Exp_Ch11 and Inline.
(Build_Record_Aggr_Code): Change the handling
of controlled record components.
(Ctrl_Init_Expression): Removed.
(Gen_Assign): Add new formal parameter In_Loop
along with comment on usage. Remove local variables Stmt and
Stmt_Expr. Change the handling of controlled array components.
(Gen_Loop): Update the call to Gen_Assign.
(Gen_While): Update the call to Gen_Assign.
(Initialize_Array_Component): New routine.
(Initialize_Ctrl_Array_Component): New routine.
(Initialize_Ctrl_Record_Component): New routine.
(Initialize_Record_Component): New routine.
(Process_Transient_Component): New routine.
(Process_Transient_Component_Completion): New routine.
* exp_ch4.adb (Process_Transient_In_Expression): New routine.
(Process_Transient_Object): Removed. Replace all existing calls
to this routine with calls to Process_Transient_In_Expression.
* exp_ch6.adb (Expand_Ctrl_Function_Call): Remove local constant
Is_Elem_Ref. Update the comment on ignoring transients.
* exp_ch7.adb (Process_Declarations): Do not process ignored
or finalized transient objects.
(Process_Transient_In_Scope): New routine.
(Process_Transients_In_Scope): New routine.
(Process_Transient_Objects): Removed. Replace all existing calls
to this routine with calls to Process_Transients_In_Scope.
* exp_util.adb (Build_Transient_Object_Statements): New routine.
(Is_Finalizable_Transient): Do not consider a transient object
which has been finalized.
(Requires_Cleanup_Actions): Do not consider ignored or finalized
transient objects.
* exp_util.ads (Build_Transient_Object_Statements): New routine.
* sem_aggr.adb: Major code clean up.
* sem_res.adb: Update documentation.
2016-07-06 Ed Schonberg <schonberg@adacore.com>
* sem_ch3.adb (Analyze_Subtype_Declaration): For generated
subtypes, such as actual subtypes of unconstrained formals,
inherit predicate functions, if any, from the parent type rather
than creating redundant new ones.
From-SVN: r238044
2016-07-06 Hristian Kirtchev <kirtchev@adacore.com>
* exp_attr.adb, sem_attr.adb, sem_ch13.adb: Minor reformatting.
2016-07-06 Arnaud Charlet <charlet@adacore.com>
* lib.adb (Check_Same_Extended_Unit): Prevent looping forever.
* gnatbind.adb: Disable some consistency checks in codepeer mode,
which are not needed.
2016-07-06 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Check_Fixed_Point_Actual): Add a warning when
a formal fixed point type is instantiated with a type that has
a user-defined arithmetic operations, but the generic has no
corresponding formal functions. This is worth a warning because
of the special semantics of fixed-point operators.
From-SVN: r238043
2016-07-06 Bob Duff <duff@adacore.com>
* sem_attr.adb (Analyze_Attribute): Allow any expression of
discrete type.
* exp_attr.adb (Expand_N_Attribute_Reference): Change the
constant-folding code to correctly handle cases newly allowed
by Analyze_Attribute.
From-SVN: r238042
* gcc-interface/decl.c (gnat_to_gnu_entity): Invoke global_bindings_p
last when possible. Do not call elaborate_expression_2 on offsets in
local record types and avoid useless processing for constant offsets.
From-SVN: r238001
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_attr.adb (Analyze_Attribute_Old_Result): The attributes can
appear in the postcondition of a subprogram renaming declaration,
when the renamed entity is an attribute reference that is a
function (such as 'Value).
* sem_attr.adb (Eval_Attribute): It doesn't
need to be static, just known at compile time, so use
Compile_Time_Known_Value instead of Is_Static_Expression.
This is an efficiency improvement over the previous bug fix.
* sem_ch13.adb (Analyze_One_Aspect): Use Original_Node to detect
illegal aspects on subprogram renaming declarations that may
have been rewritten as bodies.
2016-07-04 Arnaud Charlet <charlet@adacore.com>
* sem_intr.adb (Errint): Do not emit error message in
Relaxed_RM_Semantics mode.
From-SVN: r237976
2016-07-04 Bob Duff <duff@adacore.com>
* sem_attr.adb (Eval_Attribute): The code was assuming
that X'Enum_Rep, where X denotes a constant, can be constant
folded. Fix it so it makes that assumption only when X denotes
a STATIC constant.
From-SVN: r237975
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Compatible_Types_In_Predicate): New function
to handle cases where a formal of a predicate function and the
corresponding actual have different views of the same type.
2016-07-04 Philippe Gil <gil@adacore.com>
* g-debpoo.adb (Free_Blocks) free blocks also until
Logically_Deallocated less than Maximum_Logically_Freed_Memory
(Dump) add dump of number of traceback & validity elements
already allocated.
2016-07-04 Justin Squirek <squirek@adacore.com>
* sem_ch12.adb (Instantiate_Package_Body): Add
a guard to ignore Itypes which fail when installing primitives.
From-SVN: r237973
2016-07-04 Bob Duff <duff@adacore.com>
* sem_eval.adb (Decompose_Expr): Set 'out' parameters
Kind and Cons to valid values, to avoid use of uninit vars.
(Extract_Length): Reorder the check to make it clearer that
we're depending on BOTH Ent1 and Ent2 to be Present.
* sem_aggr.adb (Resolve_Aggregate): Remove dead code.
(Check_Misspelled_Component): Remove exit statement, because
it's covered by the 'while' condition.
* checks.adb (Apply_Selected_Range_Checks): Remove useless
condition "or else not Checks_On".
(Selected_Range_Checks):
Initialize Known_LB and Known_HB to False, because they are
tested unconditionally; avoid use of uninit vars.
* frontend.adb (Frontend): Removed useless condition
"Operating_Mode = Check_Semantics and then", and added an Assert
to clarify why it was useless.
* prep.adb (Preprocess): Remove redundant condition. Add an
assertion.
* sem_ch10.adb (Analyze_Proper_Body): Moved redundant condition
"Original_Operating_Mode = Generate_Code" to an Assert.
(Process_Spec_Clauses, Process_Body_Clauses): Change parameters
from 'in out' to 'out', and don't initialize actuals.
* sem_ch12.adb (Is_In_Main_Unit): Removed useless condition
"Unum = Main_Unit or else".
(Save_Global_Descendant): Moved
redundant condition "D = Union_Id (No_List)" to an Assert.
* sem_ch4.adb (Check_Misspelled_Selector): Remove exit
statement, because it's covered by the 'while' condition.
(Analyze_Case_Expression): Initialize Wrong_Alt to Empty,
because it looks like it is used uninitialized otherwise.
* sem_ch6.adb (Check_Return_Subtype_Indication): Moved redundant
condition "not R_Type_Is_Anon_Access" to an Assert.
* sem_elim.adb (Line_Num_Match): Moved redundant condition
"Sloc_Trace (Idx) = '['" to an Assert.
* sem_util.adb (Compile_Time_Constraint_Error): Change "J" to
"J - 1". This code is trying to replace "?" with "<", but not if
the "?" is quoted, as in "'?", so we want to check the PREVIOUS
character for '''.
* snames.adb-tmpl (Is_Pragma_Name): Remove useless condition
"or else N = Name_Relative_Deadline". It's useless because
Name_Relative_Deadline is in the range First_Pragma_Name
.. Last_Pragma_Name.
* treepr.adb (Visit_Node): Moved redundant condition "D =
Union_Id (No_List)" to an Assert.
* sem_ch3.adb (Derive_Subprogram, Derive_Subprograms): Change
parameters from 'in out' to 'out'.
* errout.adb (Error_Msg_Internal): Replace redundant test with Assert.
* inline.adb (Add_Inlined_Body): Code cleanup.
From-SVN: r237972
2016-07-04 Olivier Hainque <hainque@adacore.com>
* g-sercom-mingw.adb (Set): Fix port configuration for the
non-blocking + null-timeout case, request of immediate return.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Is_Non_Overriding_Operation): Add guard to test
of generic parent type when operation is a parameterless function
that may dispatch on result.
From-SVN: r237970
2016-07-04 Hristian Kirtchev <kirtchev@adacore.com>
* freeze.adb, ghost.adb, sem_ch13.adb: Minor reformatting.
2016-07-04 Pascal Obry <obry@adacore.com>
* g-forstr.ads: More documentation for the Formatted_String
support.
2016-07-04 Justin Squirek <squirek@adacore.com>
* sem_ch7.adb (Install_Parent_Private_Declarations): When
instantiating a child unit, do not install private declaration of
a non-generic ancestor of the generic that is also an ancestor
of the current unit: its private part will be installed when
private part of ancestor itself is analyzed.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Instantiate_Object): In SPARK mode add a guard
to verify that the actual is an object reference before checking
for volatility.
(Check_Generic_Child_Unit): Prevent cascaded errors when prefix
is illegal.
From-SVN: r237969
2016-07-04 Gary Dismukes <dismukes@adacore.com>
* sem_ch12.ads, freeze.adb: Minor reformatting and typo fixes.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (New_Stream_Subprogram): If the attribute
definition clause comes from an aspect specification, place the
generated subprogram renaming in the freeze actions of the type.
2016-07-04 Philippe Gil <gil@adacore.com>
* g-debpoo.adb (Dump.Do_Report) - add space prefix to backtrace
address dump - avoid new line sent directly to stdout.
2016-07-04 Arnaud Charlet <charlet@adacore.com>
* gnat1drv.adb, sem_ch12.adb, sem_elab.adb, sem_prag.adb, sem_res.adb:
Relax elaboration checks in SPARK_Mode so that we rely on the
static elaboration model (if used). We'll have a more precise
check performed in flow analysis of gnat2why.
From-SVN: r237968
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* ghost.adb (Prune_Node): A freeze node for an ignored ghost
entity must be pruned as well.
From-SVN: r237967
2016-07-04 Justin Squirek <squirek@adacore.com>
* sem_prag.adb (Analyze_Unmodified_Or_Unused and
Analyze_Unreferenced_Or_Unused): Change warning message to be
more clear about pragma duplicates.
2016-07-04 Yannick Moy <moy@adacore.com>
* sinput-l.adb (Create_Instantiation_Source): Set component
Inlined_Call for inherited pragma case.
* sinput.adb, sinput.ads (Instantiation): Return component
Inlined_Call for inherited pragma case.
2016-07-04 Bob Duff <duff@adacore.com>
* sem_type.adb (Remove_Conversions): Protect
the call to Left_Opnd by checking for Nkind in N_Unary_Op --
unary operators do not have a left operand.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch3.adb (Analyze_Object_Declaration): A declaration of a
constant in a protected operation may be a homonym of a private
component of the enclosing protected type. This declaration hides
the component renaming constructed within the protected operation.
From-SVN: r237964
2016-07-04 Bob Duff <duff@adacore.com>
* xref_lib.adb (Parse_X_Filename, Parse_Identifier_Info): Ignore
unknown files. Check that File_Nr is in the range of files we
know about. The previous code was checking the lower bound,
but not the upper bound.
2016-07-04 Arnaud Charlet <charlet@adacore.com>
* tracebak.c: Minor reformatting.
2016-07-04 Yannick Moy <moy@adacore.com>
* sem_ch12.adb, sem_ch12.ads Update calls to
Create_Instantiation_Source to use default argument.
(Adjust_Inherited_Pragma_Sloc): New function to adjust sloc
of inherited pragma.
(Set_Copied_Sloc_For_Inherited_Pragma):
New function that wraps call to Create_Instantiation_Source for
copying an inherited pragma.
(Set_Copied_Sloc_For_Inlined_Body): Update call to
Create_Instantiation_Source with new arguments.
* sem_prag.adb (Build_Pragma_Check_Equivalent): In the case
of inherited pragmas, use the generic machinery to get chained
locations for the pragma and its sub-expressions.
* sinput-c.adb: Adapt to new type Source_File_Record.
* sinput-l.adb, sinput-l.ads (Create_Instantiation_Source):
Add parameter Inherited_Pragma and make parameter Inlined_Body
optional.
* sinput.adb, sinput.ads (Comes_From_Inherited_Pragma): New
function to return when a location comes from an inherited pragma.
(Inherited_Pragma): New function to detect when a location comes
from an inherited pragma.
(Source_File_Record): New component Inherited_Pragma.
2016-07-04 Yannick Moy <moy@adacore.com>
* sem_elab.adb: Register existence of quickfix for error message.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Resolve_One_Call): In the context of a predicate
function the formal and the actual in a call may have different
views of the same type, because of the delayed analysis of
predicates aspects. Extend the patch that handles this potential
discrepancy to handle private and full views as well.
* sem_ch8.adb (Find_Selected_Component): Refine predicate that
produces additional error when an illegal selected component
looks like a prefixed call whose first formal is untagged.
From-SVN: r237963
2016-07-04 Justin Squirek <squirek@adacore.com>
* einfo.adb (Has_Pragma_Unused): Create this function as a setter
for a new flag294 (Set_Has_Pragma_Unused): Create this procedure
as a getter for flag294 (Write_Entity_Flags): Register the new
flag with an alias
* einfo.ads Add comment documenting Has_Pragma_Unused (flag294)
and subsequent getter and setter declarations.
* lib-xref.adb (Generate_Reference): Recognize Has_Pragma_Unused
flag to print appropriate warning messages.
* par-prag.adb (Prag): Classify Pragma_Unused into "All Other
Pragmas."
* snames.ads-tmpl Add a new name to the name constants and a
new pramga to Pragma_Id for pramga Unused.
* sem_prag.adb (Analyze_Pragma): Create case for Pragma_Unused
and move the block for Pragma_Unmodified and Pragma_Unreferenced
out and into local subprograms.
(Analyze_Unmodified, Analyze_Unreferenced): From the old pragma blocks
that have been separated in to local subprograms add a parameter to
indicate the if they are being called in the context of Pragma_Unused
and handle it accordingly.
(Is_Non_Significant_Pragma_Reference): Add an entry for Pragma_Unused
and correct the position of Pragma_Unevaluated_Use_Of_Old.
* sem_util.adb (Note_Possible_Modification): Recognize
Has_Pragma_Unused flag to print appropriate warning messages.
From-SVN: r237961
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* freeze.adb (Check_Inherited_Conditions): Perform two passes over
the primitive operations of the type: one over source overridings
to build the primitives mapping, and one over inherited operations
to check for the need to create wrappers, and to check legality
of inherited condition in SPARK.
* sem_prag.ads (Update_Primitive_Mapping): Make public, for use
in freeze actions.
* sem_prag.adb (Build_Pragma_Check_Equivalent): Refine error
message in the case of an inherited condition in SPARK that
includes a call to some other overriding primitive.
From-SVN: r237960
2016-07-04 Hristian Kirtchev <kirtchev@adacore.com>
* exp_aggr.adb (Ctrl_Init_Expression): New routine.
(Gen_Assign): Code cleanup. Perform in-place side effect removal when
the expression denotes a controlled function call.
* exp_util.adb (Remove_Side_Effects): Do not remove side effects
on a function call which has this behavior suppressed.
* sem_aggr.adb Code cleanup.
* sinfo.adb (No_Side_Effect_Removal): New routine.
(Set_Side_Effect_Removal): New routine.
* sinfo.ads New attribute No_Side_Effect_Removal along with
occurences in nodes.
(No_Side_Effect_Removal): New routine along with pragma Inline.
(Set_Side_Effect_Removal): New routine along with pragma Inline.
2016-07-04 Arnaud Charlet <charlet@adacore.com>
* opt.ads, sem_prag.adb (Universal_Addressing_On_AAMP): Removed.
Remove support for pragma No_Run_Time. Update comments.
2016-07-04 Pascal Obry <obry@adacore.com>
* g-forstr.ads: More documentation for the Formatted_String
support.
2016-07-04 Ed Schonberg <schonberg@adacore.com>
* exp_ch13.adb (Expand_N_Attribute_Definition_Clause, case
'Address): If the address comes from an aspect specification
and not a source attribute definition clause, do not remove
side effects from the expression, because the expression must
be elaborated at the freeze point of the object and not at the
object declaration, because of the delayed analysis of aspect
specifications.
From-SVN: r237959
PR ada/48835
PR ada/61954
* gcc-interface/gigi.h (enum standard_datatypes): Add ADT_realloc_decl
(realloc_decl): New macro.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Variable>: Use local
variable for the entity type and translate it as void pointer if the
entity has convention C.
(gnat_to_gnu_entity) <E_Function>: If this is not a definition and the
external name matches that of malloc_decl or realloc_decl, return the
correspoding node directly.
(gnat_to_gnu_subprog_type): Likewise for parameter and return types.
* gcc-interface/trans.c (gigi): Initialize void_list_node here, not...
Initialize realloc_decl.
* gcc-interface/utils.c (install_builtin_elementary_types): ...here.
(build_void_list_node): Delete.
* gcc-interface/utils2.c (known_alignment) <CALL_EXPR>: Return the
alignment of the system allocator for malloc_decl and realloc_decl.
Do not take alignment from void pointer types either.
From-SVN: r237850
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* sem_prag.ads (Build_Classwide_Expression): new procedure to
build the expression for an inherited classwide condition, and
to validate such expressions when they apply to an inherited
operation that is not overridden.
* sem_prag.adb (Primitives_Mapping): new data structure to
handle the mapping between operations of a root type and the
corresponding overriding operations of a type extension. Used
to construct the expression for an inherited classwide condition.
(Update_Primitives_Mapping): add to Primitives_Mapping the links
between primitive operations of a root type and those of a given
type extension.
(Build_Pragma_Check_Equivalent): use Primitives_Mapping.
* sem_ch6.adb (New_Overloaded_Entity): Remove call to
Collect_Iherited_Class_Wide_Conditions in GNATprove_Mode. This
needs to be done at freeze point of the type.
* freeze.adb (Check_Inherited_Conditions): new procedure to
verify the legality of inherited classwide conditions. In normal
compilation mode the procedure determines whether an inherited
operation needs a wrapper to handle an inherited condition that
differs from the condition of the root type. In SPARK mode
the routine invokes Collect_Inherited_Class_Wide_Conditions to
produce the SPARK version of these inherited conditions.
(Freeze_Record_Type): For a type extension, call
Check_Inherited_Conditions.
From-SVN: r237698
2016-06-22 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch3.adb, sem_type.adb, sem.adb, freeze.adb, sem_util.adb,
s-htable.adb, exp_ch11.adb, s-secsta.adb, restrict.adb, exp_disp.adb,
sem_ch8.adb, s-tpobop.adb, exp_aggr.ads, sem_ch13.adb: Minor
reformatting.
2016-06-22 Yannick Moy <moy@adacore.com>
* lib-xref-spark_specific.adb (Collect_SPARK_Xrefs): Inverse order of
treatments so that files without compilation unit are simply skipped
before more elaborate treatments.
2016-06-22 Bob Duff <duff@adacore.com>
* s-memory.ads: Minor typo fixes in comments.
* s-memory.adb: Code cleanup.
From-SVN: r237697
2016-06-22 Justin Squirek <squirek@adacore.com>
* sem_ch8.adb (Push_Scope): Add a check for when the
scope table is empty to assign the global variable
Configuration_Component_Alignment.
* sem.adb (Do_Analyze): Add Configuration_Component_Alignment
to be assigned when the environment is cleaned instead of the
default.
* sem.ads Add a global variable Configuration_Component_Alignment
to store the value given by pragma Component_Alignment in the
context of a configuration file.
* sem_prag.adb (Analyze_Pragma): Correct the case for
Component_Alignment so that the pragma is verified and add
comments to explain how it is applied to the scope stack.
2016-06-22 Justin Squirek <squirek@adacore.com>
* sprint.adb (Sprint_Node_Actual): Add check in
the case of an N_Object_Declaration when evaluating an expression
to properly ignore errors.
From-SVN: r237694
2016-06-22 Bob Duff <duff@adacore.com>
* g-comlin.ads (Parameter_Type): Change subtype of Last to
Natural.
* g-comlin.adb (Set_Parameter): Change subtype of Last to
Natural.
(Getopt): Check for Arg = "", and Switches /= "".
(Internal_Initialize_Option_Scan): Check for Argument (Parser,
Index) /= "".
2016-06-22 Gary Dismukes <dismukes@adacore.com>
* sem_prag.adb, sem_ch8.adb: Minor reformatting.
From-SVN: r237693
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* einfo.ads, einfo.adb (Is_Actual_Subtype): New flag, defined
on subtypes that are created within subprogram bodies to handle
unconstrained composite formals.
* checks.adb (Apply_Predicate_Check): Do not generate a check on
an object whose type is an actual subtype.
* sem_ch6.adb (Set_Actual_Subtypes): Do not generate an
actual subtype for a formal whose base type is private.
Set Is_Actual_Subtype on corresponding entity after analyzing
its declaration.
2016-06-22 Justin Squirek <squirek@adacore.com>
* sem_prag.adb (Check_Expr_Is_OK_Static_Expression): Fix ordering
of if-block and add in a condition to test for errors during
resolution.
* sem_res.adb (Resolution_Failed): Add comment to explain why
the type of a node which failed to resolve is set to the desired
type instead of Any_Type.
* sem_ch8.adb (Analyze_Object_Renaming): Add a check for Any_Type
to prevent crashes on Is_Access_Constant.
From-SVN: r237692
2016-06-22 Hristian Kirtchev <kirtchev@adacore.com>
* lib-xref-spark_specific.adb, checks.adb, sem_ch13.adb: Minor
reformatting.
* exp_ch7.adb: Minor typo fix.
* lib.ads (Get_Top_Level_Code_Unit): Add comment.
2016-06-22 Bob Duff <duff@adacore.com>
* s-tassta.adb (Task_Wrapper): Fix handling of Fall_Back_Handler
wrt independent tasks.
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* sem_dim.adb (Analyze_Dimension): Propagate dimension for
explicit_dereference nodes when they do not come from source,
to handle correctly dimensional analysis on iterators over
containers whose elements have declared dimensions.
From-SVN: r237691
2016-06-22 Arnaud Charlet <charlet@adacore.com>
* spark_xrefs.ads (Scope_Num): type refined to positive integers.
* lib-xref-spark_specific.adb (Detect_And_Add_SPARK_Scope):
moved into scope of Collect_SPARK_Xrefs.
(Add_SPARK_Scope): moved into scope of Collect_SPARK_Xrefs;
now uses Dspec and Scope_Id from Collect_SPARK_Xrefs.
(Collect_SPARK_Xrefs): refactored to avoid retraversing the list
of scopes.
(Traverse_Compilation_Unit): refactored as a generic procedure.
* types.ads (Unit_Number_Type): range refined.
From-SVN: r237690
2016-06-22 Hristian Kirtchev <kirtchev@adacore.com>
* lib-xref-spark_specific.adb, a-cuprqu.ads, sem_ch6.adb: Minor
reformatting.
2016-06-22 Eric Botcazou <ebotcazou@adacore.com>
* sem_util.ads (Address_Value): Declare new function.
* sem_util.adb (Address_Value): New function extracted
unmodified from Apply_Address_Clause_Check, which returns the
underlying value of the expression of an address clause.
* checks.adb (Compile_Time_Bad_Alignment): Delete.
(Apply_Address_Clause_Check): Call Address_Value on
the expression. Do not issue the main warning here and
issue the secondary warning only when the value of the
expression is not known at compile time.
* sem_ch13.adb (Address_Clause_Check_Record): Add A component and
adjust the description.
(Analyze_Attribute_Definition_Clause): In the case
of an address, move up the code creating an entry in the table of
address clauses. Also create an entry for an absolute address.
(Validate_Address_Clauses): Issue the warning for absolute
addresses here too. Tweak condition associated with overlays
for consistency.
From-SVN: r237688
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (Is_Predicate_Static): An inherited predicate
can be static only if it applies to a scalar type.
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* exp_util.adb (Adjust_Result_Type): Convert operand to base
type to prevent spurious constraint checks on subtypes of Boolean.
2016-06-22 Bob Duff <duff@adacore.com>
* debug.adb: Document debug switch -gnatd.o.
* sem_elab.adb (Check_Internal_Call): Debug switch -gnatd.o
now causes a more conservative treatment of indirect calls,
treating P'Access as a call to P in more cases. We Can't make
this the default, because it breaks common idioms, for example
the soft links.
* sem_util.adb: Add an Assert.
2016-06-22 Bob Duff <duff@adacore.com>
* a-cuprqu.ads, a-cuprqu.adb: Completely rewrite this package. Use
red-black trees, which gives O(lg N) worst-case performance on
Enqueue and Dequeue. The previous version had O(N) Enqueue in
the worst case.
2016-06-22 Arnaud Charlet <charlet@adacore.com>
* sem_warn.adb: minor style fix in comment.
* spark_xrefs.ads (Scope_Num): type refined to positive integers.
* lib-xref-spark_specific.adb (Detect_And_Add_SPARK_Scope):
moved into scope of Collect_SPARK_Xrefs.
(Add_SPARK_Scope): moved into scope of Collect_SPARK_Xrefs;
now uses Dspec and Scope_Id from Collect_SPARK_Xrefs.
(Collect_SPARK_Xrefs): refactored to avoid retraversing the list
of scopes.
* sem_ch3.adb (Build_Discriminal): Set Parent of the discriminal.
From-SVN: r237687
2016-06-22 Arnaud Charlet <charlet@adacore.com>
* lib-xref-spark_specific.adb (Generate_Dereference): Assignment to not
commented local variables replaced with direct uses of their values.
From-SVN: r237685
2016-06-22 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch7.adb (Add_Invariant): Replace the
current type instance with the _object parameter even in ASIS mode.
(Build_Invariant_Procedure_Body): Do not insert the
invariant procedure body into the tree for ASIS and GNATprove.
(Build_Invariant_Procedure_Declaration): Do not insert the
invariant procedure declaration into the tree for ASIS and
GNATprove.
* lib-xref-spark_specific.adb (Add_SPARK_Scope): Update comment.
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Set_Actual_Subtypes): If the type of the actual
has predicates, the actual subtype must be frozen properly
because of the generated tests that may follow. The predicate
may be specified by an explicit aspect, or may be inherited in
a derivation.
From-SVN: r237684
2016-06-22 Ed Schonberg <schonberg@adacore.com>
* exp_ch4.adb (In_Range_Chec)): New predicate, subsidiary of
Expand_N_In: within an expanded range check that might raise
Constraint_Error do not generate a predicate check as well. It
is redundant because the context will add an explicit predicate
check, and it will raise the wrong exception if it fails.
* lib-xref-spark_specific.adb (Add_SPARK_File): Remove useless checks
since dependency units always have an associated compilation unit.
From-SVN: r237683
* tree.c (verify_type_variant): Skip TYPE_SIZE and TYPE_SIZE_UNIT if
they are both PLACEHOLDER_EXPRs.
ada/
* gcc-interface/decl.c (set_nonaliased_component_on_array_type): New
function.
(set_reverse_storage_order_on_array_type): Likewise.
(gnat_to_gnu_entity) <E_Array_Type>: Call them to set the flags.
<E_Array_Subtype>: Likewise.
<E_String_Literal_Subtype>: Likewise.
(substitute_in_type) <ARRAY_TYPE>: Likewise.
* gcc-interface/utils.c (gnat_pushdecl): Always create a variant for
the DECL_ORIGINAL_TYPE of a type.
From-SVN: r237658
2016-06-20 Hristian Kirtchev <kirtchev@adacore.com>
* make.adb, gnatbind.adb, g-socket.adb, sem_ch13.adb: Minor
reformatting.
* lib.ads, sem_util.adb: Minor typo in comment.
2016-06-20 Yannick Moy <moy@adacore.com>
* sem_prag.adb, sem_prag.ads (Build_Pragma_Check_Equivalent):
Add parameter Keep_Pragma_Id to optionally keep
the identifier of the pragma instead of converting
to pragma Check. Also set type of new function call
appropriately. (Collect_Inherited_Class_Wide_Conditions):
Call Build_Pragma_Check_Equivalent with the new parameter
Keep_Pragma_Id set to True to keep the identifier of the copied
pragma.
* sinfo.ads: Add comment.
2016-06-20 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch7.adb (Build_Invariant_Procedure_Body):
Always install the scope of the invariant procedure
in order to produce better error messages. Do not
insert the body when the context is a generic unit.
(Build_Invariant_Procedure_Declaration): Perform minimal
decoration of the invariant procedure and its formal parameter
in case they are not analyzed. Do not insert the declaration
when the context is a generic unit.
From-SVN: r237600
2016-06-20 Ed Schonberg <schonberg@adacore.com>
* sem_ch13.adb (Visible_Component): New procedure, subsidiary
of Replace_Type_References_ Generic, to determine whether an
identifier in a predicate or invariant expression is a visible
component of the type to which the predicate or invariant
applies. Implements the visibility rule stated in RM 13.1.1
(12/3).
From-SVN: r237599
2016-06-20 Hristian Kirtchev <kirtchev@adacore.com>
* s-regpat.adb, sem_prag.adb, pprint.adb, sem_ch13.adb: Minor
reformatting.
2016-06-20 Tristan Gingold <gingold@adacore.com>
* make.adb (Check_Standard_Library): Consider system.ads
if s-stalib.adb is not available.
* gnatbind.adb (Add_Artificial_ALI_File): New procedure extracted from
gnatbind.
2016-06-20 Thomas Quinot <quinot@adacore.com>
* g-socket.adb (Is_IP_Address): A string consisting in digits only is
not a dotted quad.
2016-06-20 Arnaud Charlet <charlet@adacore.com>
* exp_ch7.adb (Build_Invariant_Procedure_Body):
decorate invariant procedure body with typical properties of
procedure entityes.
2016-06-20 Arnaud Charlet <charlet@adacore.com>
* a-exetim-darwin.adb: New file.
From-SVN: r237598
2016-06-16 Hristian Kirtchev <kirtchev@adacore.com>
* atree.ads, atree.adb (Elist29): New routine.
(Set_Elist29): New routine.
* atree.h New definition for Elist29.
* einfo.adb Subprograms_For_Type is now an Elist rather than
a node. Has_Invariants is now a synthesized attribute
and does not require a flag. Has_Own_Invariants
is now Flag232. Has_Inherited_Invariants is
Flag291. Is_Partial_Invariant_Procedure is Flag292.
(Default_Init_Cond_Procedure): Reimplemented.
(Has_Inherited_Invariants): New routine.
(Has_Invariants): Reimplemented.
(Has_Own_Invariants): New routine.
(Invariant_Procedure): Reimplemented.
(Is_Partial_Invariant_Procedure): New routine.
(Partial_Invariant_Procedure): Reimplemented.
(Predicate_Function): Reimplemented.
(Predicate_Function_M): Reimplemented.
(Set_Default_Init_Cond_Procedure): Reimplemented.
(Set_Has_Inherited_Invariants): New routine.
(Set_Has_Invariants): Removed.
(Set_Has_Own_Invariants): New routine.
(Set_Invariant_Procedure): Reimplemented.
(Set_Is_Partial_Invariant_Procedure): New routine.
(Set_Partial_Invariant_Procedure): Reimplemented.
(Set_Predicate_Function): Reimplemented.
(Set_Predicate_Function_M): Reimplemented.
(Set_Subprograms_For_Type): Reimplemented.
(Subprograms_For_Type): Reimplemented.
(Write_Entity_Flags): Output Flag232 and Flag291.
* einfo.ads Add new attributes Has_Inherited_Invariants
Has_Own_Invariants Is_Partial_Invariant_Procedure
Partial_Invariant_Procedure Change the documentation
of attributes Has_Inheritable_Invariants Has_Invariants
Invariant_Procedure Is_Invariant_Procedure Subprograms_For_Type
(Has_Inherited_Invariants): New routine along with pragma Inline.
(Has_Own_Invariants): New routine along with pragma Inline.
(Is_Partial_Invariant_Procedure): New routine along with pragma Inline.
(Partial_Invariant_Procedure): New routine.
(Set_Has_Inherited_Invariants): New routine along with pragma Inline.
(Set_Has_Invariants): Removed along with pragma Inline.
(Set_Has_Own_Invariants): New routine along with pragma Inline.
(Set_Is_Partial_Invariant_Procedure): New routine
along with pragma Inline.
(Set_Partial_Invariant_Procedure): New routine.
(Set_Subprograms_For_Type): Update the signature.
(Subprograms_For_Type): Update the signature.
* exp_ch3.adb Remove with and use clauses for Sem_Ch13.
(Build_Array_Invariant_Proc): Removed.
(Build_Record_Invariant_Proc): Removed.
(Freeze_Type): Build the body of the invariant procedure.
(Insert_Component_Invariant_Checks): Removed.
* exp_ch7.adb Add with and use clauses for Sem_Ch6, Sem_Ch13,
and Stringt.
(Build_Invariant_Procedure_Body): New routine.
(Build_Invariant_Procedure_Declaration): New routine.
* exp_ch7.ads (Build_Invariant_Procedure_Body): New routine.
(Build_Invariant_Procedure_Declaration): New routine.
* exp_ch9.adb (Build_Corresponding_Record): Do not propagate
attributes related to invariants to the corresponding record
when building the corresponding record. This is done by
Build_Invariant_Procedure_Declaration.
* exp_util.adb (Make_Invariant_Call): Reimplemented.
* freeze.adb (Freeze_Array_Type): An array type requires an
invariant procedure when its component type has invariants.
(Freeze_Record_Type): A record type requires an invariant
procedure when at least one of its components has an invariant.
* sem_ch3.adb (Analyze_Private_Extension_Declaration): Inherit
invariant-related attributes.
(Analyze_Subtype_Declaration):
Inherit invariant-related attributes.
(Build_Derived_Record_Type): Inherit invariant-related attributes.
(Check_Duplicate_Aspects): Reimplemented.
(Get_Partial_View_Aspect): New routine.
(Process_Full_View): Inherit invariant-related attributes. Reimplement
the check on hidden inheritance of class-wide invariants.
(Remove_Default_Init_Cond_Procedure): Reimplemented.
* sem_ch6.adb (Analyze_Subprogram_Specification): Do not modify
the controlling type for an invariant procedure declaration
or body.
(Is_Invariant_Procedure_Or_Body): New routine.
* sem_ch7.adb (Analyze_Package_Specification): Build the partial
invariant body in order to preanalyze and resolve all invariants
of a private type at the end of the visible declarations. Build
the full invariant body in order to preanalyze and resolve
all invariants of a private type's full view at the end of
the private declarations.
(Preserve_Full_Attributes): Inherit invariant-related attributes.
* sem_ch9.adb (Analyze_Protected_Type_Declaration): Ensure that
aspects are analyzed with the proper view when the protected type
is a completion of a private type. Inherit invariant-related attributes.
(Analyze_Task_Type_Declaration): Ensure that
aspects are analyzed with the proper view when the task type
is a completion of a private type. Inherit invariant-related
attributes.
* sem_ch13.adb Remove with and use clauses for Stringt.
(Build_Invariant_Procedure_Declaration): Removed.
(Build_Invariant_Procedure): Removed.
(Freeze_Entity_Checks): Do not build the body of the invariant
procedure here.
The body is built when the type is frozen in Freeze_Type.
(Inherit_Aspects_At_Freeze_Point): Do not inherit any attributes
related to invariants here because this leads to erroneous
inheritance.
(Replace_Node): Rename to Replace_Type_Ref.
* sem_ch13.ads (Build_Invariant_Procedure_Declaration): Removed.
(Build_Invariant_Procedure): Removed.
* sem_prag.adb Add with and use clauses for Exp_Ch7.
(Analyze_Pragma): Reimplement the analysis of pragma Invariant.
* sem_res.adb (Resolve_Actuals): Emit a specialized error when
the context is an invariant.
* sem_util.adb (Get_Views): New routine.
(Incomplete_Or_Partial_View): Consider generic packages when
examining declarations.
(Inspect_Decls): Consider full type
declarations because they may denote a derivation from a
private type.
(Propagate_Invariant_Attributes): New routine.
* sem_util.ads (Get_Views): New routine.
(Propagate_Invariant_Attributes): New routine.
2016-06-16 Arnaud Charlet <charlet@adacore.com>
* pprint.adb (Expression_Image): Add better handling of UCs,
we don't want to strip them all for clarity.
From-SVN: r237596
2016-06-16 Gary Dismukes <dismukes@adacore.com>
* sem_util.adb: Minor typo fix.
2016-06-16 Emmanuel Briot <briot@adacore.com>
* s-regpat.adb: Further fix for invalid index in GNAT.Regexp.
2016-06-16 Eric Botcazou <ebotcazou@adacore.com>
* sem_ch13.adb (Validate_Address_Clauses): Use the same logic to
issue the warning on the offset for the size as for the alignment
and tweak the wording for the sake of consistency.
2016-06-16 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb (Check_Class_Wide_COndition): New procedure,
subsidiary of Analyze_Pre_Post_ Condition_In_Decl_Part, to
check legality rules that follow from the revised semantics of
class-wide pre/postconditions described in AI12-0113.
(Build_Pragma_Check_Equivalent): Abstract subprogram declarations
must be included in list of overriding primitives of a derived
type.
From-SVN: r237521
2016-06-16 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (May_Be_Lvalue): An actual in an unexpanded
attribute reference 'Read is an assignment and must be considered
a modification of the object.
2016-06-16 Gary Dismukes <dismukes@adacore.com>
* einfo.adb: Minor editorial.
From-SVN: r237517
2016-06-16 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb (Overridden_Ancestor): Clean up code to use
controlling type of desired primitive rather than its scope,
because the primitive that inherits the classwide condition may
comes from several derivation steps.
2016-06-16 Javier Miranda <miranda@adacore.com>
* einfo.adb (Set_Default_Init_Cond_Procedure): Allow calls setting
this attribute to Empty (only if the attribute has not been set).
* sem_util.adb (Build_Default_Init_Cond_Procedure_Body):
No action needed if the spec was not built.
(Build_Default_Init_Cond_Procedure_Declaration): The spec is
not built if DIC is set to NULL or no condition was specified.
* exp_ch3.adb (Expand_N_Object_Declaration): Check availability
of the Init_Cond procedure before generating code to call it.
2016-06-16 Emmanuel Briot <briot@adacore.com>
* s-regpat.adb: Fix invalid index check when matching end-of-line
on substrings.
2016-06-16 Arnaud Charlet <charlet@adacore.com>
* gnat1drv.adb: Minor reformatting.
From-SVN: r237516
2016-06-16 Ed Schonberg <schonberg@adacore.com>
* sem_ch3.adb (Check_Entry_Contracts): New procedure, subsidiary
of Analyze_Declarations, that performs pre-analysis of
pre/postconditions on entry declarations before full analysis
is performed after entries have been converted into procedures.
Done solely to capture semantic errors.
* sem_attr.adb (Analyze_Attribute, case 'Result): Add guard to
call to Denote_Same_Function.
2016-06-16 Emmanuel Briot <briot@adacore.com>
* g-comlin.adb: Fix minor memory leak in GNAT.Command_Line.
2016-06-16 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch7.adb (Find_Last_Init): Remove obsolete code. The
logic is now performed by Process_Object_Declaration.
(Process_Declarations): Recognize a controlled deferred
constant which is in fact initialized by means of a
build-in-place function call as needing finalization actions.
(Process_Object_Declaration): Insert the counter after the
build-in-place initialization call for a controlled object. This
was previously done in Find_Last_Init.
* exp_util.adb (Requires_Cleanup_Actions): Recognize a controlled
deferred constant which is in fact initialized by means of a
build-in-place function call as needing finalization actions.
2016-06-16 Justin Squirek <squirek@adacore.com>
* exp_aggr.adb (Expand_Array_Aggregate): Minor comment changes and
additional style fixes.
* exp_ch7.adb: Minor typo fixes and reformatting.
From-SVN: r237515
2016-06-16 Justin Squirek <squirek@adacore.com>
* sem_ch3.adb (Analyze_Object_Declaration): Add a missing check
for optimized aggregate arrays with qualified expressions.
* exp_aggr.adb (Expand_Array_Aggregate): Fix block and
conditional statement in charge of deciding whether to perform
in-place expansion. Specifically, use Parent_Node to jump over
the qualified expression to the object declaration node. Also,
a check has been inserted to skip the optimization if SPARK 2005
is being used in strict adherence to RM 4.3(5).
2016-06-16 Tristan Gingold <gingold@adacore.com>
* sem_prag.adb (Analyze_Pragma): Simplify code
for Pragma_Priority.
From-SVN: r237514
2016-06-16 Eric Botcazou <ebotcazou@adacore.com>
* sem_util.ads (Indexed_Component_Bit_Offset): Declare.
* sem_util.adb (Indexed_Component_Bit_Offset): New
function returning the offset of an indexed component.
(Has_Compatible_Alignment_Internal): Call it.
* sem_ch13.adb (Offset_Value): New function returning the offset of an
Address attribute reference from the underlying entity.
(Validate_Address_Clauses): Call it and take the offset into
account for the size warning.
From-SVN: r237511
2016-06-16 Javier Miranda <miranda@adacore.com>
* sem_res.adb (Resolve): Under relaxed RM semantics silently
replace occurrences of null by System.Null_Address.
* sem_ch4.adb (Analyze_One_Call, Operator_Check): Under
relaxed RM semantics silently replace occurrences of null by
System.Null_Address.
* sem_util.ad[sb] (Null_To_Null_Address_Convert_OK): New subprogram.
(Replace_Null_By_Null_Address): New subprogram.
2016-06-16 Bob Duff <duff@adacore.com>
* exp_util.adb (Is_Controlled_Function_Call):
This was missing the case where the call is in prefix format,
with named notation, as in Obj.Func (Formal => Actual).
From-SVN: r237508
2016-06-16 Hristian Kirtchev <kirtchev@adacore.com>
* exp_attr.adb, inline.adb, sem_attr.adb, sem_elab.adb: Minor
reformatting.
2016-06-16 Bob Duff <duff@adacore.com>
* sem_util.adb (Collect): Avoid Empty Full_T. Otherwise Etype
(Full_T) crashes when assertions are on.
* sem_ch12.adb (Matching_Actual): Correctly handle the case where
"others => <>" appears in a generic formal package, other than
by itself.
2016-06-16 Arnaud Charlet <charlet@adacore.com>
* usage.adb: Remove confusing comment in usage line.
* bindgen.adb: Fix binder generated file in codepeer mode wrt
recent additions.
2016-06-16 Javier Miranda <miranda@adacore.com>
* restrict.adb (Check_Restriction_No_Use_Of_Entity): Avoid
never-ending loop, code cleanup; adding also support for Text_IO.
* sem_ch8.adb (Find_Expanded_Name): Invoke
Check_Restriction_No_Use_Entity.
2016-06-16 Tristan Gingold <gingold@adacore.com>
* exp_ch9.adb: Minor comment fix.
* einfo.ads (Has_Protected): Clarify comment.
* sem_ch9.adb (Analyze_Protected_Type_Declaration): Do not
consider private protected types declared in the runtime for
the No_Local_Protected_Types restriction.
From-SVN: r237507
2016-06-14 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Set_Actual_Subtypes): Do not generate actual
subtypes for unconstrained formals when analyzing the generated
body of an expression function, because it may lead to premature
and misplaced freezing of the types of formals.
2016-06-14 Gary Dismukes <dismukes@adacore.com>
* sem_elab.adb, sem_ch4.adb: Minor reformatting and typo fix.
2016-06-14 Tristan Gingold <gingold@adacore.com>
* einfo.adb (Set_Has_Timing_Event): Add assertion.
* sem_util.ads, sem_util.adb (Propagate_Concurrent_Flags): New
name for Propagate_Type_Has_Flags.
* exp_ch3.adb, sem_ch3.adb, sem_ch7.adb, sem_ch9.adb: Adjust after
renaming.
From-SVN: r237439
2016-06-14 Bob Duff <duff@adacore.com>
* sem_elab.adb (Check_A_Call): Do nothing if the callee is
(or is in) an instance, and the caller is outside. Misc cleanup.
2016-06-14 Javier Miranda <miranda@adacore.com>
* sem_ch4.adb (Analyze_Quantified_Expression):
Generating C code avoid spurious warning on loop variable of
inlinined postconditions.
From-SVN: r237438
2016-06-14 Javier Miranda <miranda@adacore.com>
* sem_attr.adb (Analyze_Attribute_Old_Result): Adding assertion.
(Analyze_Attribute [Attribute_Old]): Generating C handle
analysis of 'old in inlined postconditions.
(Analyze_Attribute [Attribute_Result]): Generating C handle analysis
of 'result in inlined postconditions.
* exp_attr.adb (Expand_N_Attribute_Reference [Attribute_Old]):
Generating C handle expansion of 'old in inlined postconditions.
* inline.adb (Declare_Postconditions_Result): New subprogram.
* sem_ch12.adb (Copy_Generic_Node): Copy pragmas generated from
aspects when generating C code since pre/post conditions are
inlined and the frontend inlining relies on this routine to
perform inlining.
* exp_ch6.adb (Inlined_Subprogram): Replace Generate_C_Code
by Modify_Tree_For_C.
* exp_unst.adb (Visit_Node): Searching for up-level references
skip entities defined in inlined subprograms.
From-SVN: r237437
2016-06-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch7.adb, sem_ch12.adb, freeze.adb, lib-xref.ads, exp_ch3.adb:
Minor reformatting.
2016-06-14 Bob Duff <duff@adacore.com>
* sem_elab.adb: Do nothing if the callee is intrinsic.
* sinfo.ads, einfo.ads: Minor comment fixes.
From-SVN: r237436
2016-06-14 Ed Schonberg <schonberg@adacore.com>
* contracts.adb (Has_Null_Body): Move to sem_util, for general
availability.
* sem_util.ads, sem_util.adb (Has_Null_Body): Predicate to
determine when an internal procedure created for some assertion
checking (e.g. type invariant) is a null procedure. Used to
eliminate redundant calls to such procedures when they apply to
components of composite types.
* exp_ch3.adb (Build_Component_Invariant_Call): Do not add call
if invariant procedure has a null body.
2016-06-14 Thomas Quinot <quinot@adacore.com>
* g-socket.ads (Check_Selector): Clarify effect on IN OUT socket
set parameters.
2016-06-14 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch4.adb (Process_Action): Pass the action
list to Process_Transient_Object.
(Process_If_Case_Statements): Pass the action list to
Process_Transient_Object.
(Process_Transient_Object): Add new parameter Stmts and update the
comment on usage. When the context is a Boolean evaluation, insert
any finalization calls after the last statement of the construct.
From-SVN: r237435
2016-06-14 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Analyze_Associations): An actual parameter
with a box must be included in the count of actuals, to detect
possible superfluous named actuals that do not match any of the
formals of the generic unit in a formal package declaration.
2016-06-14 Justin Squirek <squirek@adacore.com>
* sem_ch3.adb (Analyze_Object_Declaration): Fix formatting
of error output related to SPARK RM 6.1.7(3) and pragma
Extensions_Visible.
* sem_ch4.adb (Analyze_Type_Conversion): Fix formatting of error
output related to SPARK RM 6.1.7(3) and pragma Extensions_Visible.
* sem_prag.adb (Analyze_Pragma): Fix formatting of error output
related to SPARK RM 7.1.2(15) and pragma Volatile_Function
so that the values True and False are no longer surrounded by
double quotes.
* sem_res.adb (Resolve_Actuals): Fix formatting of error output
related to SPARK RM 6.1.7(3) and pragma Extensions_Visible.
2016-06-14 Arnaud Charlet <charlet@adacore.com>
* gnat1drv.adb (Adjust_Global_Switches): Enable access checks
in codepeer mode.
* freeze.adb: Minor grammar fix in comment.
From-SVN: r237433
2016-06-14 Hristian Kirtchev <kirtchev@adacore.com>
* lib.adb: Minor reformatting.
* sem_util.adb (Is_OK_Volatile_Context): Do
include Address in the supported attributes.
2016-06-14 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch4.adb (Expand_N_Case_Expression):
Code cleanup. Finalize any transient controlled
objects on exit from a case expression alternative.
(Expand_N_If_Expression): Code cleanup.
(Process_Actions): Removed.
(Process_If_Case_Statements): New routine.
(Process_Transient_Object): Change the name of formal Rel_Node to
N and update all occurrences. Update the comment on usage. When
the type of the context is Boolean, the proper insertion point
for the finalization call is after the last declaration.
2016-06-14 Ed Schonberg <schonberg@adacore.com>
* lib-xref.ads, lib-xref.adb (Has_Deferred_Reference): new
predicate to determine whether an entity appears in a context
for which a Deferred_Reference was created, because it is not
possible to determine when reference is analyzed whether it
appears in a context in which the entity is modified.
* sem_ch5.adb (Analyze_Statement): Do not emit a useless warning
on assignment for an entity that has a deferred_reference.
2016-06-14 Javier Miranda <miranda@adacore.com>
* sem_res.adb (Resolve_Actuals): Generate a reference to actuals that
come from source. Previously the reference was generated only if the
call comes from source but the call may be rewritten by the expander
thus causing the notification of spurious warnings.
2016-06-14 Arnaud Charlet <charlet@adacore.com>
* gnat1drv.adb: Remove further references to AAMP.
* checks.adb (Apply_Scalar_Range_Check): Take
Check_Float_Overflow info account.
* live.ads, live.adb Added subprogram headers and
start-of-processing-for comments.
* sem_ch12.adb (Instantiate_Package_Body): Do not suppress
checks when instantiating runtime units in CodePeer mode.
From-SVN: r237432
2016-06-14 Arnaud Charlet <charlet@adacore.com>
* exp_ch3.adb (Expand_N_Object_Declaration): Only consider
nodes from sources.
2016-06-14 Arnaud Charlet <charlet@adacore.com>
* switch-c.adb, gnat1drv.adb (Adjust_Global_Switches): Only disable
simple value propagation in CodePeer mode when warnings are disabled.
(Scan_Front_End_Switches): Enable relevant front-end switches
when using -gnateC.
2016-06-14 Hristian Kirtchev <kirtchev@adacore.com>
* sem_util.adb (Is_OK_Volatile_Context): A
reference to a volatile object is considered OK if appears as
the prefix of attributes Address, Alignment, Component_Size,
First_Bit, Last_Bit, Position, Size, Storage_Size.
2016-06-14 Yannick Moy <moy@adacore.com>
* lib-xref-spark_specific.adb (Add_SPARK_File): Do not traverse
subunits directly, as they are already traversed as part of the
top-level unit to which they belong.
(Add_SPARK_Xrefs): Add assertions to ensure correct sorting.
(Generate_Dereference): Use unique definition place for special
variable __HEAP, to ensure correct sorting of references.
* lib-xref.adb (Generate_Reference): Use top-level unit in case
of subunits.
* lib.adb, lib.ads (Get_Top_Level_Code_Unit): New functions that
compute the top-level code unit for a source location of AST node,
that go past subunits.
From-SVN: r237431
Eric Botcazou
Andris Pavenis
Pierre-Marie de Rodat
Tristan Gingold
Eric Botcazou
James Greenhalgh
Jakub Jelinek
Rainer Orth
Bernd Edlinger
Arnaud Charlet
Yannick Moy
Javier Miranda
Bob Duff
Arnaud Charlet
Hristian Kirtchev
Ed Schonberg
Gary Dismukes
Justin Squirek
Olivier Hainque
Kyrylo Tkachov