| Commit message (Collapse) | Author | Age | Files | Lines |
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* s-imgllu.adb, sem_util.adb, s-imgint.adb, s-imguns.adb,
s-imglli.adb: Minor reformatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235251 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_res.adb (Rewrite_Renamed_Operator): Do not rewrite the
renamed operator when the associated node appears within a
pre/postcondition.
* sem_util.ads, sem_util.adb (In_Pre_Post_Condition): New routine.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235249 138bc75d-0d04-0410-961f-82ee72b054a4
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* osint.adb (Relocate_Path): Fix test when Path is shorter than Prefix.
* einfo.adb (Set_Overridden_Operation): Add assertion.
* sem_util.adb (Unique_Entity): for renaming-as-body return the spec
entity.
2016-04-20 Javier Miranda <miranda@adacore.com>
* exp_unst.adb (Append_Unique_Call): New subprogram.
(Unnest_Subprogram): Replace the unique occurrence
of Call.Append() by Append_Unique_Call() which protects us from
adding to the Calls table duplicated entries.
2016-04-20 Arnaud Charlet <charlet@adacore.com>
* exp_attr.adb (Is_GCC_Target): Fix for C backend.
* xref_lib.ads (Dependencies_Tables): instantiate
Table package with types that guarantee its safe use.
* s-imgllu.adb, s-imgint.adb, s-imguns.adb, s-imglli.adb: Avoid nested
procedures.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235248 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb, contracts.adb, ghost.adb, exp_ch6.adb: Minor
reformatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235246 138bc75d-0d04-0410-961f-82ee72b054a4
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* snames.ads-tmpl (Internal_Attribute_Id, Attribute_Class_Array): Fix
indentation.
* sem_util.adb (Is_Unchecked_Conversion_Instance):
defense against library-level renamings of other functions,
which are never instances of Unchecked_Conversion.
* einfo.ads: minor fix of casing in comment
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* exp_ch6.adb (Expand_N_Subprogram_Stub): Do not expand a body
that has been analyzed and expanded already. Qualify the names
in the proper body for use in the generation of C code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235244 138bc75d-0d04-0410-961f-82ee72b054a4
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* par_sco.adb, sem_util.adb, sem_ch13.adb: Minor typo corrections and
reformatting.
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* sem_prag.adb (Analyze_Pragma, case Default_Storage_Pool):
If the pragma comes from an aspect specification, verify that
the aspect applies to an entity with a declarative part.
* exp_ch5.adb: Code cleanup.
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* sem_res.adb (Resolve_If_Expression): If first expression is
universal, resolve subsequent ones with the corresponding class
type (Any_Integer or Any_Real).
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Analyze_Iterator_Specification): If expansion is
disabled, complete the analysis of the iterator name to ensure
that reference for entities within are properly generated.
2016-04-20 Arnaud Charlet <charlet@adacore.com>
* a-dispat.ads (Yield): add Global contract.
* a-calend.ads, a-reatim.ads: Added Initializes => Clock_Time.
* a-taside.adb: Added Initializes => Tasking_State.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235240 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_ch13.adb (Add_Invariant): Do not replace
the saved expression of an invariatn aspect when inheriting
a class-wide type invariant as this clobbers the existing
expression. Do not use New_Copy_List as it is unnecessary
and leaves the parent pointers referencing the wrong part of
the tree. Do not replace the type references for ASIS when
inheriting a class-wide type invariant as this clobbers the
existing replacement.
2016-04-20 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Build_Explicit_Dereference): If the designated
expression is an entity name, generate reference to the entity
because it will not be resolved again.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235238 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb (Build_Elaboration_Entity): Always request an
elab counter when preserving control-flow.
2016-04-19 Olivier Hainque <hainque@adacore.com>
* sem_ch13.adb (Build_Invariant_Procedure_Declaration): Set
Needs_Debug_Info when producing SCOs.
* par_sco.adb (Traverse_Aspects): Fix categorization of
Type_Invariant to match actual processing as activated depending
on pragma Assertion_Policy.
* sem_prag.adb (Analyze_Pragma): Remove special case for
Name_Invariant regarding SCO generation, which completely disabled
the production of SCOs for Invariant pragmas and aspects.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235202 138bc75d-0d04-0410-961f-82ee72b054a4
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* checks.adb, sem_util.adb, sem_res.adb, sem_attr.adb: Minor
reformatting.
2016-04-19 Ed Schonberg <schonberg@adacore.com>
* freeze.adb (Freeze_Profile): Refine predicate that checks
whether a function that returns a limited view is declared in
another unit and cannot be frozen at this point.
2016-04-19 Ed Schonberg <schonberg@adacore.com>
* exp_aggr.adb (Component_Count): Handle properly superflat
arrays, i.e. empty arrays where Hi < Lo - 1, to ensure that the
return value of the function is Natural, rather than leaving
the handling of such arrays to the caller of this function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235200 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_prag.adb, sem_attr.adb, par-prag.adb, exp_aggr.adb, sem_type.adb
sem_ch12.adb, sem_ch3.adb, exp_ch7.adb, exp_ch9.adb: Code cleanup.
* sem_res.adb, sem_util.ads, sem_util.adb (Is_OK_Volatile_Context):
Promoted from being a nested subprogram in Sem_Res.Resolve_Entity_Name
to publicly visible routine in Sem_Util.
2016-04-19 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Apply_Parameter_Aliasing_Checks): Do not apply
the check if the type of the actual is By_Reference.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235199 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_attr.adb (Resolve_Attribute, case 'Access): Freeze
overloadable entity if originally overloaded.
2016-04-19 Arnaud Charlet <charlet@adacore.com>
* exp_aggr.adb, exp_ch3.adb, exp_ch7.adb, exp_ch9.adb, exp_code.adb,
exp_fixd.adb, namet.adb, osint.adb, osint.ads, par-ch2.adb,
sem_ch10.adb, sem_ch12.adb, sem_disp.adb, sem_elab.adb, sem_elim.adb
sem_util.adb, styleg.adb, styleg.ads, stylesw.ads: Minor code
clean up.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235194 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb (Copy_Node_With_Replacement):
use Set_Comes_From_Source instead of directly manipulating
internals of the node table.
* sem_util.adb (Within_Scope): refactored to remove duplicated code.
* sem_aux.adb (Get_Rep_Pragma,
Subprogram_Body_Entity, Subprogram_Spec): declare variables that
do not change as constants and initialize them in the declaration.
(Get_Rep_Pragma, Subprogram_Body_Entity, Subprogram_Spec): declare
variables that do not change as constants and initialize them
in the declaration.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235193 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_res.adb (Resolve_Entry_Call): If the entry has
preconditions it is rewritten by means of a wrapper that
incorporates the original call. Before rewriting generate a
reference to the entry being called to prevent spurious warnings
and provide correct cross-reference information.
2016-04-19 Hristian Kirtchev <kirtchev@adacore.com>
* sem_disp.adb (Check_Dispatching_Context): Code cleanup. Add
local constant Scop. Ignore any internally generated loops when
performing the check concerning an abstract subprogram call
without a controlling argument.
* sem_util.ads, sem_util.adb (Current_Scope_No_Loops): New routine.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235192 138bc75d-0d04-0410-961f-82ee72b054a4
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* einfo.adb (Overridden_Operation): assert that
function is called for valid arguments.
* sem_aggr.adb, sem_ch3.adb, sem_ch5.adb, sem_type.adb,
s-osinte-vxworks.ads, a-ngcefu.adb, sem_ch10.adb, einfo.ads,
sem_prag.adb, sem_ch12.adb, sem.adb, i-cobol.ads, freeze.adb,
sem_util.adb, a-chtgop.ads, s-rannum.adb, exp_ch6.adb, s-bignum.adb,
s-osinte-freebsd.ads, par-ch5.adb, a-chtgbo.ads, a-cofove.adb:
No space after closing parenthesis except where required for
layout.
* sem_res.adb: Minor reformatting.
2016-04-18 Arnaud Charlet <charlet@adacore.com>
* exp_ch4.adb (Expand_N_Case_Expression): Convert into a case
statement when relevant.
2016-04-18 Bob Duff <duff@adacore.com>
* a-cuprqu.adb (Enqueue): Properly handle the
case where the new element has a unique priority.
2016-04-18 Tristan Gingold <gingold@adacore.com>
* adaint.h: Define stat structures and functions for iOS
simulator.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235146 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb (Apply_Compile_Time_Constraint_Error): Do not generate
raise node in GNATprove mode.
2016-04-18 Hristian Kirtchev <kirtchev@adacore.com>
* s-fileio.adb: Minor reformatting.
* sem_prag.adb (Analyze_Input_Item): Add local
variable Input_OK. Do not consider mappings of generic formal
parameters to actuals.
2016-04-18 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Get_Cursor_Type): If iterator type is a derived
type, the cursor is declared in the scope of the parent type.
(Analyze_Parameter_Specification): A qualified expression with an
iterator type indicates an iteration over a container (explicit
or implicit).
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235139 138bc75d-0d04-0410-961f-82ee72b054a4
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* osint-c.ads, osint-c.adb (Delete_C_File, Delete_H_File): New.
* gnat1drv.adb (Gnat1drv): Delete old C files before regenerating them.
* debug.adb: Reserve -gnatd.4 to force generation of C files.
2016-04-18 Yannick Moy <moy@adacore.com>
* sem_eval.adb (Eval_Arithmetic_Op): Do not issue error on static
division by zero, instead possibly issue a warning.
* sem_res.adb (Resolve_Arithmetic_Op): Do not issue error on
static division by zero, instead add check flag on original
expression.
* sem_util.adb, sem_util.ads (Compile_Time_Constraint_Error):
Only issue error when both SPARK_Mode is On and Warn is False.
2016-04-18 Yannick Moy <moy@adacore.com>
* checks.adb (Apply_Scalar_Range_Check): Force
warning instead of error when SPARK_Mode is On, on index out of
bounds, and set check flag for GNATprove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235138 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb, sem_util.ads (Has_Full_Default_Initialization): used
outside of GNATprove, hence it should not be removed.
2016-04-18 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Analyze_Refinement_Clause):
The refinement of an external abstract state can now mention
non-external constituents.
(Check_External_Property): Update all SPARK RM references.
2016-04-18 Bob Duff <duff@adacore.com>
* exp_intr.adb: Remove some duplicated code.
2016-04-18 Yannick Moy <moy@adacore.com>
* a-nudira.adb, a-nudira.ads, a-nuflra.adb, a-nuflra.ads: Mark
package spec and body out of SPARK.
2016-04-18 Johannes Kanig <kanig@adacore.com>
* spark_xrefs.ads: Minor comment update.
2016-04-18 Johannes Kanig <kanig@adacore.com>
* gnat1drv.adb (Gnat1drv): Force loading of System
unit for SPARK.
2016-04-18 Bob Duff <duff@adacore.com>
* a-cuprqu.adb: Correction to previous change. If a new node
is inserted at the front of the queue (because it is higher
priority than the previous front node), we need to update
Header.Next_Unequal -- not just in the case where the queue was
previously empty.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235122 138bc75d-0d04-0410-961f-82ee72b054a4
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* a-cuprqu.ads: Change the representation of List_Type from a
singly-linked list to a doubly-linked list. In addition, add a
pointer Next_Unequal, which points past a possibly-long chain
of equal-priority items. This increases efficiency, especially
in the case of many equal-priority items.
* a-cuprqu.adb (Dequeue, Enqueue): Rewrite algorithms to take
advantage of new data structure.
(Finalize): Rewrite in terms of Dequeue, for simplicity.
2016-04-18 Yannick Moy <moy@adacore.com>
* contracts.adb (Analyze_Object_Contract,
Analyze_Protected_Contract): Remove tests performed in GNATprove.
* sem_util.adb, sem_util.ads (Has_Full_Default_Initialization):
Remove query for tests performed in GNATprove.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235121 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_res.adb (Is_Protected_Operation_Call):
Add guards to account for a non-decorated selected component.
2016-04-18 Yannick Moy <moy@adacore.com>
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Improve
implementation of Body_Has_SPARK_Mode_On.
* sem_prag.adb, sem_prag.ads (Get_SPARK_Mode_From_Annotation):
New function replacing previous Get_SPARK_Mode_From_Pragma, that
deals also with aspects.
(Get_SPARK_Mode_Type): Make function internal again.
* inline.adb, sem_ch7.adb, sem_util.adb: Use new
Get_SPARK_Mode_From_Annotation.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235116 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_ch6.adb (Analyze_Expression_Function): Set Inlined flag
on the entity of a subprogram declaration that is completed by
an expression function.
2016-04-18 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Is_Current_Instance): A entity given by a subtype
declaration can appear in an aspect specification for a dynamic
predicate, and a pragma for aspect Predicate_Failure.
* exp_util.adb (Replace_Subtype_References): Replace current
occurrences of the subtype to which a dynamic predicate applies,
byt the expression that triggers a predicate check. Needed to
implement new aspect Predicate_Failure.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235107 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_prag.adb (Process_Convention): Relax rule on exporting
Intrinsic types if Relaxed_RM_Semantics is True.
2016-04-18 Vincent Celier <celier@adacore.com>
* sem_ch3.adb, lib.ads, sinfo.ads, sem_ch10.adb, einfo.adb, einfo.ads,
checks.ads, sem_ch12.adb, sem.adb, sem_util.adb, sem_util.ads,
sem_res.adb, sem_attr.adb, par.adb, exp_ch4.adb, errout.ads,
sem_ch4.adb, atree.adb, atree.ads, sem_warn.adb, treepr.adb,
exp_ch3.ads, exp_unst.adb: Change "descendent" to
"descendant" in comments, error messages and identifiers.
2016-04-18 Eric Botcazou <ebotcazou@adacore.com>
* sem_type.adb (Operator_Matches_Spec): Call First_Formal on
New_S only once at the beginning of the function.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@235100 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_elab.adb (Check_Internal_Call_Continue): Code clean ups.
2015-11-25 Eric Botcazou <ebotcazou@adacore.com>
* sem_util.ads (Has_Compatible_Alignment): Add Layout_Done
parameter.
* sem_util.adb (Has_Compatible_Alignment): Likewise.
(Has_Compatible_Alignment_Internal): Likewise. Do not set the
result to Unknown for packed types if Layout_Done is true.
* checks.adb (Apply_Address_Clause_Check): Adjust call and
pass False to Has_Compatible_Alignment.
* sem_ch13.adb (Validate_Address_Clauses): Likewise but pass True.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230877 138bc75d-0d04-0410-961f-82ee72b054a4
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* sysdep.c (__gnat_localtime_tzoff): On Windows platform
GetTimeZoneInformation function is thread-safe. Thus there
is no need to lock the runtime in the implementation of
__gnat_localtime_tzoff on that platform.
2015-11-18 Eric Botcazou <ebotcazou@adacore.com>
* s-arit64.adb (To_Neg_Int): Add a special case for 2**63 input.
2015-11-18 Hristian Kirtchev <kirtchev@adacore.com>
* contracts.adb (Analyze_Contracts): New routine.
(Analyze_Enclosing_Package_Body_Contract): Removed.
(Analyze_Entry_Or_Subprogram_Contract): Add formal parameter
Freeze_Id. Propagate the entity of the freezing body to vaious
analysis routines.
(Analyze_Initial_Declaration_Contract): Removed.
(Analyze_Object_Contract): Add formal parameter
Freeze_Id. Propagate the entity of the freezing body to vaious
analysis routines.
(Analyze_Previous_Contracts): New routine.
* contracts.ads (Analyze_Enclosing_Package_Body_Contract): Removed.
(Analyze_Contracts): New routine.
(Analyze_Entry_Or_Subprogram_Contract): Add formal
parameter Freeze_Id and update the comment on usage.
(Analyze_Initial_Declaration_Contract): Removed.
(Analyze_Object_Contract): Add formal parameter Freeze_Id and
update the comment on usage.
(Analyze_Previous_Contracts): New routine.
* sem_ch3.adb (Analyze_Declarations): Use Analyze_Contracts to
analyze all contracts of eligible constructs.
* sem_ch6.adb (Analyze_Generic_Subprogram_Body):
A body no longer freezes the contract of its initial
declaration. This effect is achieved through different means.
(Analyze_Subprogram_Body_Helper): A body now freezes the contracts
of all eligible constructs that precede it. A body no longer
freezes the contract of its initial declaration. This effect is
achieved through different means.
* sem_ch7.adb (Analyze_Package_Body_Helper): A body now freezes
the contracts of all eligible constructs that precede it. A body
no longer freezes the contract of its initial declaration. This
effect is achieved through different means.
* sem_ch9.adb (Analyze_Entry_Body): A body now freezes
the contracts of all eligible constructs that precede
it. A body no longer freezes the contract of its initial
declaration. This effect is achieved through different means.
(Analyze_Protected_Body): A body now freezes the contracts
of all eligible constructs that precede it. A body no longer
freezes the contract of its initial declaration. This effect
is achieved through different means.
(Analyze_Task_Body): A
body now freezes the contracts of all eligible constructs that
precede it. A body no longer freezes the contract of its initial
declaration. This effect is achieved through different means.
* sem_prag.adb (Add_Item_To_Name_Buffer): Single protected/task
objects now output their respective current instance of xxx
type messages. (Analyze_Contract_Cases_In_Decl_Part): Add
formal parameter Freeze_Id. Emit a clarification message
when an undefined entity may the byproduct of contract
freezing.
(Analyze_Part_Of_In_Decl_Part): Add formal
parameter Freeze_Id. Emit a clarification message when an
undefined entity may the byproduct of contract freezing.
(Analyze_Pre_Post_Condition_In_Decl_Part): Add formal
parameter Freeze_Id. Emit a clarification message when an
undefined entity may the byproduct of contract freezing.
(Analyze_Refined_State_In_Decl_Part): Do not report unused body
states as constituents of single protected/task types may not
bave been identified yet.
(Collect_Subprogram_Inputs_Outputs):
Reimplemented. (Contract_Freeze_Error): New routine.
(Process_Overloadable): Use predicate Is_Single_Task_Object.
* sem_prag.ads (Analyze_Contract_Cases_In_Decl_Part):
Add formal parameter Freeze_Id and update the comment
on usage.
(Analyze_Part_Of_In_Decl_Part): Add formal
parameter Freeze_Id and update the comment on usage.
(Analyze_Pre_Post_Condition_In_Decl_Part): Add formal parameter
Freeze_Id and update the comment on usage.
* sem_util.adb (Check_Unused_Body_States): Remove global
variable Legal_Constits. The routine now reports unused
body states regardless of whether constituents are
legal or not.
(Collect_Body_States): A constituent of a
single protected/task type is not a visible state of a
package body.
(Collect_Visible_States): A constituent
of a single protected/task type is not a visible
state of a package body.
(Has_Undefined_Reference): New routine.
(Is_Single_Concurrent_Object): Reimplemented.
(Is_Single_Protected_Object): New routine.
(Is_Single_Task_Object): New routine.
(Is_Visible_Object): New routine.
(Report_Unused_Body_States): Moved to Check_Unused_Body_States.
* sem_util.ads (Check_Unused_Body_States): Update the comment on usage.
(Has_Undefined_Reference): New routine.
(Is_Single_Protected_Object): New routine.
(Is_Single_Task_Object): New routine.
(Report_Unused_Body_States): Moved to Check_Unused_Body_States.
2015-11-18 Pierre-Marie de Rodat <derodat@adacore.com>
* Makefile.rtl, impunit.adb: Add g-strhas.ads.
* g-strhas.ads: New file.
* s-strhas.ads: Add a comment to redirect users to g-strhas.ads.
2015-11-18 Bob Duff <duff@adacore.com>
* sem_elab.adb (Check_Internal_Call_Continue): Fix the case
where the call in question is to a renaming of a subprogram that
can be safely called without ABE.
* checks.adb: Minor edits.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230546 138bc75d-0d04-0410-961f-82ee72b054a4
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* atree.adb (Elist11): New routine.
(Set_Elist11): New routine.
* atree.ads (Elist11): New routine.
(Set_Elist11): New routine.
* atree.h: Define Elist11.
* contracts.adb (Analyze_Object_Contract): Verify the legality
of all references to a variable given that the variable is a
constituent of a single protected/task type.
* einfo.adb: Part_Of_References now utilizes Elist11.
(Part_Of_References): New routine.
(Set_Part_Of_References): New routine.
(Write_Field11_Name): Add output for Part_Of_References.
* einfo.ads New attribute Part_Of_References along with usage
in entities.
(Part_Of_References): New routine along with
pragma Inline.
(Set_Part_Of_References): New routine along with pragma Inline.
* sem_prag.adb (Analyze_Constituent): Record a possible
reference to a concurrent constituent.
(Analyze_Global_Item): Record a possible reference to a concurrent
constituent.
(Analyze_Input_Output): Record a possible reference to a
concurrent constituent.
* sem_res.adb (Resolve_Entity_Name): Record a possible reference
to a concurrent constituent.
* sem_util.adb (Check_Part_Of_Reference): New routine.
(Record_Possible_Part_Of_Reference): New routine.
* sem_util.ads (Check_Part_Of_Reference): New routine.
(Record_Possible_Part_Of_Reference): New routine.
2015-11-18 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Apply_Arithmetic_Overflow_Minimized_Eliminated):
An if_expression is the proper place to apply the overflow
minimization procedure if its context is not an enclosing
arithmetic expression.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230540 138bc75d-0d04-0410-961f-82ee72b054a4
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* einfo.adb (Has_Non_Null_Refinement): Rename to
Has_Non_Null_Visible_Refinement.
(Has_Null_Refinement): Rename to Has_Null_Visible_Refinement.
* einfo.ads Update the documentation of
attribute Has_Non_Null_Refinement and attribute Has_Null_Refinement.
(Has_Non_Null_Refinement): Rename to Has_Non_Null_Visible_Refinement
and update occurrences in entities.
(Has_Null_Refinement): Rename to Has_Null_Visible_Refinement and update
occurrences in entities.
* sem_prag.adb (Check_In_Out_States): Update the calls to
Has_[Non_]Null_Refinement.
(Check_Input_States): Update the
calls to Has_[Non_]Null_Refinement.
(Check_Output_States): Update the calls to Has_[Non_]Null_Refinement.
(Check_Proof_In_States): Update the calls to Has_[Non_]Null_Refinement.
(Collect_Global_Item): Update the calls to Has_[Non_]Null_Refinement.
(Is_Null_Refined_State): Update the calls to Has_[Non_]Null_Refinement.
(Match_Item): Update the calls to Has_[Non_]Null_Refinement.
* sem_util.adb (Has_Non_Null_Refinement): New routine.
(Has_Null_Refinement): New routine.
* sem_util.ads (Has_Non_Null_Refinement): New routine.
(Has_Null_Refinement): New routine.
2015-11-18 Gary Dismukes <dismukes@adacore.com>
* exp_util.adb: Minor reformatting and typo fixes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230525 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb (Has_Full_Default_Initialization):
Perform the test for the presence of pragma
Default_Initial_Condition prior to the specialized type
checks. Add a missing case where the lack of a pragma argument
yields full default initialization.
2015-11-18 Hristian Kirtchev <kirtchev@adacore.com>
* sem_res.adb (Resolve_Entity_Name): Do not check
for elaboration issues when a variable appears as the name of
an object renaming declaration as this constitutes an aliasing,
not a read.
2015-11-18 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Overlap_Check): An actual that is an aggregate
cannot overlap with another actual, and no check should be
generated for it.
* targparm.ads: Fix typos.
2015-11-18 Pascal Obry <obry@adacore.com>
* adaint.c: Routine __gnat_killprocesstree only implemented on
Linux and Windows.
2015-11-18 Pascal Obry <obry@adacore.com>
* g-ctrl_c.adb: Minor style fixes.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230523 138bc75d-0d04-0410-961f-82ee72b054a4
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* adaint.c, s-os_lib.adb, s-os_lib.ads (Kill_Process_Tree): New.
2015-11-18 Hristian Kirtchev <kirtchev@adacore.com>
* sem_util.adb (Check_Nonvolatile_Function_Profile): Place the error
message concerning the return type on the result definition.
(Is_Volatile_Function): A function with a parameter of a protected
type is a protected function if it is defined within a protected
definition.
2015-11-18 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Try_Container_Indexing): When building the
parameter list for the function call on indexing functions,
preserve overloading of the parameters, which may themselves be
generalized indexing operations.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230522 138bc75d-0d04-0410-961f-82ee72b054a4
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* sigtramp-ios.c, init.c: Minor cosmetic tweaks.
2015-11-13 Hristian Kirtchev <kirtchev@adacore.com>
* s-gloloc.adb, g-debpoo.adb: Minor reformatting.
2015-11-13 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Analyze_Iterator_Specification): Improve error
message for the case the iterable name (array or container)
is a component that depends on a discriminant.
2015-11-13 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Indicate_Name_And_Type): If the analysis of
one interpretation succeeds, set type of name in call, for
completeness.
(Try_Container_Indexing): If there are multiple indexing
functions, collect possible interpretations that are compatible
with given parameters, and add implicit dereference types when
present.
* sem_util.adb (Build_Explicit_Dereference): If the expression
is an overloaded function call use the given discriminant to
resolve the call, and set properly the type of the call and of
the resulting dereference.
2015-11-13 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Analyze_Pragma): Pragma Constant_After_Elaboration can
now apply to a variable without an initialization expression.
2015-11-13 Hristian Kirtchev <kirtchev@adacore.com>
* exp_ch9.adb (Add_Matching_Formals): Parameter Actuals is now of mode
IN OUT. Create a new list when list Actuals is not present.
(Build_Contract_Wrapper): Create the wrapper
only when the entry has at least on checked contract case or
pre/postcondition. Ensure that the call to the original entry
lacks an actual parameter list when the entry appears without
formal parameters.
(Expand_Entry_Declaration): Code cleanup.
2015-11-13 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch13.adb (Analyze_Aspect_Specifications): Continue the analysis
after encountering an illegal aspect Part_Of.
2015-11-13 Ed Schonberg <schonberg@adacore.com>
* exp_attr.adb (Expand_N_Attribute_Reference, case
Overlaps_Storage): Add copies for nodes that represent the integer
addresses of the two actuals, to prevent identical nodes in the
tree, which the backend cannot handle properly.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230316 138bc75d-0d04-0410-961f-82ee72b054a4
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* init.c [Darwin/arm64]: Move __gnat_sigtramp implementation to...
(__gnat_map_signal): New function.
(__gnat_error_handler):
Adjust the context and call above function.
* sigtramp-armios.c: ...here. New file.
2015-11-13 Arnaud Charlet <charlet@adacore.com>
* bcheck.adb (Check_Consistent_Restrictions): Do not check
consistency of No_Dependence for runtime units.
2015-11-13 Tristan Gingold <gingold@adacore.com>
* s-rident.ads (Restriction_Id): Add Pure_Barriers.
* restrict.ads (Implementation_Restriction): Add Pure_Barriers.
* exp_ch9.adb (Expand_Entry_Barrier): Create
Is_Simple_Barrier_Name function, add Is_Pure_Barrier and
Check_Pure_Barriers.
2015-11-13 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Get_Cursor_Type): To determine whether a function
First is the proper Iterable primitive, use the base type of the
first formal rather than the type. This is needed in the unusual
case where the Iterable aspect is specified for an integer type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230305 138bc75d-0d04-0410-961f-82ee72b054a4
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* impunit.adb, lib-xref.ads, restrict.ads, scos.ads, sem_attr.ads,
types.ads: Get rid of some global variables.
* output.adb, output.ads: Move some global variables to the body.
2015-11-12 Yannick Moy <moy@adacore.com>
* lib-xref-spark_specific.adb
(Is_Constant_Object_Without_Variable_Input): Add special case
for imported constants.
2015-11-12 Philippe Gil <gil@adacore.com>
* g-debpoo.adb (Allocate): Avoid having allocations not handled.
2015-11-12 Ed Schonberg <schonberg@adacore.com>
* checks.adb (Apply_Scalar_Range_Check): If the expression is
a real literal and the context type has static bounds, remove
range check when possible.
2015-11-12 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Collect_Primitive_Operations): If the type is
derived from a type declared elsewhere that has an incomplete
type declaration, the primitives are found in the scope of the
type nat that of its ancestor.
2015-11-12 Arnaud Charlet <charlet@adacore.com>
* switch-c.adb, debug.adb, osint-c.adb, gnat1drv.adb: Remove -gnatd.V
debug switch.
* exp_aggr.adb, exp_util.adb: Fix typos.
2015-11-12 Jerome Lambourg <lambourg@adacore.com>
* init.c: Properly adjust PC values in case of signals.
2015-11-12 Bob Duff <duff@adacore.com>
* sem_prag.adb (Check_Arg_Is_Library_Level_Local_Name): A
pragma that comes from an aspect does not "come from source",
so we need to test whether it comes from an aspect.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230253 138bc75d-0d04-0410-961f-82ee72b054a4
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* exp_ch5.adb, sem_ch3.adb, exp_util.ads, inline.adb, freeze.adb,
sem_util.adb, sem_util.ads, par-ch6.adb, sem_elab.adb: Minor
reformatting and a typo fix.
2015-11-12 Ed Schonberg <schonberg@adacore.com>
* sem_ch12.adb (Preanalyze_Actuals): Add guard on use of
Incomplete_Actuals, which are only stored for a package
instantiation, in order to place the instance in the body of
the enclosing unit.
2015-11-12 Ed Schonberg <schonberg@adacore.com>
* exp_intr.adb: Add legality checks on calls to a
Generic_Dispatching_Constructor: the given tag must be defined,
it cannot be the tag of an abstract type, and its accessibility
level must not be greater than that of the constructor.
2015-11-12 Ed Schonberg <schonberg@adacore.com>
* sem_ch4.adb (Try_Container_Indexing, Constant_Indexing_OK): If
the context is an overloaded call, assume that Constant_Indexing
is not OK if an interpretation has an assignable parameter
corresponding to the indexing expression.
2015-11-12 Jerome Lambourg <lambourg@adacore.com>
* init.c (__gnat_error_handler): Force the SPE bit of the MSR
when executing on e500v2 CPU.
2015-11-12 Hristian Kirtchev <kirtchev@adacore.com>
* sem_prag.adb (Analyze_Constituent): Stop the
analysis after detecting a misplaced constituent as this is a
critical error.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230239 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_ch10.adb, atree.adb: Minor reformatting.
2015-11-12 Hristian Kirtchev <kirtchev@adacore.com>
* sem_elab.adb (Check_A_Call): Add new variable
Is_DIC_Proc. Report elaboration issue in SPARK concerning calls
to source subprograms or nontrivial Default_Initial_Condition
procedures. Add specialized error message to avoid outputting
the internal name of the Default_Initial_Condition procedure.
* sem_util.ads, sem_util.adb
(Is_Non_Trivial_Default_Init_Cond_Procedure): New routine.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230237 138bc75d-0d04-0410-961f-82ee72b054a4
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* exp_attr.adb, freeze.adb, sem_util.adb, sem_ch13.adb: Minor
reformatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230235 138bc75d-0d04-0410-961f-82ee72b054a4
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* einfo.ads (Overlays_Constant): Document usage for E_Constant.
* freeze.adb (Warn_Overlay): Small reformatting.
(Check_Address_Clause): Deal specifically with deferred
constants. For a variable or a non-imported constant
overlaying a constant object and with initialization value,
either remove the initialization or issue a warning. Fix a
couple of typos.
* sem_util.adb (Note_Possible_Modification): Overhaul the condition for
the warning on modified constants and use Find_Overlaid_Entity instead
of doing it manually.
* sem_ch13.adb (Analyze_Attribute_Definition_Clause): Compute and
set Overlays_Constant once on entry. Do not treat the overlaid
entity as volatile. Do not issue the warning on modified
constants here.
* gcc-interface/decl.c (gnat_to_gnu_entity) <E_Constant>: Remove
over-restrictive condition for the special treatment of deferred
constants.
<E_Variable>: Remove obsolete associated code.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@230229 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.ads, sem_util.adb (Defining_Identifier): Adding a formal to
indicate the needed behavior in case of nodes with errors.
2015-10-27 Ed Schonberg <schonberg@adacore.com>
* sem_attr.adb (Eval_Attribute): If the prefix of attribute
Enum_Rep is an object that is a generated loop variable for an
element iterator, no folding is possible.
* sem_res.adb (Resolve_Entity_Name): Do not check for a missing
initialization in the case of a constant that is an object
renaming.
* exp_attr.adb (Expand_N_Attribute_Reference, case Enum_Rep):
If the prefix is a constant that renames an expression there is
nothing to evaluate statically.
2015-10-27 Vincent Celier <celier@adacore.com>
* gnatlink.adb: Always delete the response file, even when the
invocation of gcc to link failed.
2015-10-27 Hristian Kirtchev <kirtchev@adacore.com>
* sem_ch6.adb (Analyze_Subprogram_Body_Helper):
Do not inherit the SPARK_Mode from the context if it has been
set already.
(Build_Subprogram_Declaration): Relocate relevant
pragmas from the subprogram body to the generated corresponding
spec. Do not copy aspect SPARK_Mode as this leads to circularity
in Copy_Separate_Tree. Inherit the attributes that describe
pragmas Ghost and SPARK_Mode.
(Move_Pragmas): New routine.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229421 138bc75d-0d04-0410-961f-82ee72b054a4
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* inline.adb (Is_Expression_Function): Removed.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): An internally
generated subprogram body that completes an expression function
inherits the SPARK_Mode from the spec.
* sem_res.adb (Resolve_Call): Update all calls to
Is_Expression_Function.
* sem_util.ads, sem_util.adb (Is_Expression_Function): Reimplemented.
(Is_Expression_Function_Or_Completion): New routine.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229420 138bc75d-0d04-0410-961f-82ee72b054a4
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* contracts.adb (Analyze_Object_Contract): Set and restore
the SPARK_Mode for both constants and objects. Factor out the
semantic checks concerning Ghost objects.
* freeze.adb (Freeze_Array_Type): A Ghost array type cannot have a
concurrent component type.
(Freeze_Entity): A Ghost type cannot also be concurrent.
(Freeze_Record_Type): A Ghost record type cannot have a concurrent
component.
* sem_prag.adb (Analyze_Abstract_State): A Ghost abstract
state cannot also be synchronized.
(Check_Ghost_Synchronous): New routine.
* sem_util.adb (Yields_Synchronized_Object): Correct the case
of record components to account for the case where the type has
no component list.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* expander.adb (Expand): Expand a single protected declaration.
* exp_ch9.ads, exp_ch9.adb (Expand_N_Single_Protected_Declaration): New
routine.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_res.adb (Is_OK_Volatile_Context): A volatile object may appear
in an object declaration as long as it denotes the name.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229376 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_ch9.adb (Analyze_Single_Protected_Declaration): The anonymous
object no longer comes from source.
(Analyze_Single_Task_Declaration): The anonymous object no longer
comes from source.
* sem_prag.adb (Analyze_Pragma): The analysis of pragma SPARK_Mode
now recognizes the internal anonymous object created for a single
concurren type as a valid context.
(Find_Related_Context): The internal anonymous object created for a
single concurrent type is now a valid context.
(Find_Related_Declaration_Or_Body): The internal anonymous object
created for a single concurrent type is now a valid context.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Inherit_Rep_Item_Chain): Another another guard
to prevent circularities in the rep_item_chain of the full view
of a type extension in a child unit that extends a private type
from the parent.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229374 138bc75d-0d04-0410-961f-82ee72b054a4
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* atree.ads, atree.adb (Ekind_In): New 10 and 11 parameter versions.
* contracts.ads, contracts.adb (Analyze_Initial_Declaration_Contract):
New routine.
* sem_ch6.adb (Analyze_Generic_Subprogram_Body):
Analyze the contract of the initial declaration.
(Analyze_Subprogram_Body_Helper): Analyze the contract of the
initial declaration.
* sem_ch7.adb (Analyze_Package_Body_Helper): Analyze the contract
of the initial declaration.
* sem_ch9.adb (Analyze_Entry_Body): Analyze the contract of
the initial declaration.
(Analyze_Protected_Body): Analyze
the contract of the initial declaration.
(Analyze_Task_Body): Analyze the contract of the initial declaration.
* sem_prag.adb (Add_Entity_To_Name_Buffer): Use "type" rather
than "unit" as it makes the error messages sound better.
(Add_Item_To_Name_Buffer): Update comment on usage. The routine
now supports discriminants and current instances of concurrent
types.
(Analyze_Depends_In_Decl_Part): Install the discriminants
of a task type.
(Analyze_Global_In_Decl_Part): Install the discriminants of a task type.
(Analyze_Global_Item): Add processing for current instances of
concurrent types and include discriminants as valid global items.
(Analyze_Input_Output): Discriminants and current instances of
concurrent types are now valid items. Update various error messages.
(Check_Usage): Current instances of protected and task types behaves
as formal parameters.
(Collect_Subprogram_Inputs_Outputs): There is
no longer need to manually analyze [Refined_]Global thanks to
freezing of initial declaration contracts. Add processing for
the current instance of a concurrent type.
(Find_Role): Add categorizations for discriminants, protected and task
types.
(Is_CCT_Instance): New routine.
(Match_Items): Update the comment on usage. Update internal comments.
* sem_prag.ads (Collect_Subprogram_Inputs_Outputs): Update the
comment on usage.
* sem_util.adb (Entity_Of): Ensure that the entity is an object
when traversing a potential renaming chain.
(Fix_Msg): Use "type" rather than "unit" as it makes the error messages
sound better.
* sem_util.ads (Fix_Msg): Update the comment on usage.
2015-10-26 Arnaud Charlet <charlet@adacore.com>
* par.adb (Par): Do not generate an error when generating
SCIL for predefined units or new children of system and co.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* einfo.adb: Access_Disp_Table applies to a private
extension.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229373 138bc75d-0d04-0410-961f-82ee72b054a4
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* exp_util.adb, sem_aux.adb, exp_attr.adb, sem_eval.adb: Minor
reformatting.
* sem_util.adb, sem_ch5.adb: Minor reformatting.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* exp_unst.adb (Unnest_Subprogram): Add guard to prevent compiler
abort when handling a reference to a formal in an aspect of a
nested subprogram declaration as an uplevel reference.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229359 138bc75d-0d04-0410-961f-82ee72b054a4
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* exp_ch7.adb, exp_ch6.adb: Minor comment fix.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* aspects.adb (Move_Or_Merge_Aspects): Move all aspects related
to a single concurrent type declaration to the declaration
of the anonymous object if they qualify.
(Relocate_Aspect): Update comment on usage.
* aspects.ads Add new sectioon on aspect specifications on single
concurrent types. Add new table Aspect_On_Anonymous_Object_OK.
(Move_Or_Merge_Aspects): Udate the comment on usage.
* atree.adb (Elist36): New routine.
(Set_Elist36): New routine.
* atree.ads (Elist36): New routine along with pragma Inline.
(Set_Elist36): New routine along with pragma Inline.
* atree.h: Elist36 is now an alias for Field36.
* contracts.adb (Add_Contract_Item): Add processing
for protected units and extra processing for variables.
(Analyze_Object_Contract): Code cleanup. The processing of
Part_Of now depends on wherer the object is a constant or
a variable. Add processing for pragmas Depends and Global
when they apply to a single concurrent object. Verify that a
variable which is part of a single concurrent type has full
default initialization. Set/restore the SPARK_Mode of a single
concurrent object.
(Analyze_Protected_Contract): New routine.
* contracts.ads (Add_Contract_Item): Update the comment on usage.
(Analyze_Object_Contract): Update the comment on usage.
(Analyze_Protected_Contract): New routine.
(Analyze_Task_Contract): Update the comment on usage.
* einfo.adb Part_Of_Constituents now uses Elist10.
(Anonymous_Object): New routine.
(Contract): Code cleanup.
(Has_Option): Remove the assumption that the only simple
option is External.
(Is_Synchronized_State): New routine.
(Part_Of_Constituents): This attribute applies to
variables and uses Elist10.
(Set_Anonymous_Object): New routine.
(Set_Contract): Code cleanup.
(Set_Part_Of_Constituents): This attribute applies to variables and
uses Elist10.
(Set_SPARK_Aux_Pragma): Code cleanup.
(Set_SPARK_Aux_Pragma_Inherited): Code cleanup.
(Set_SPARK_Pragma): Code cleanup. This attribute applies to
variables.
(Set_SPARK_Pragma_Inherited): Code cleanup. This
attribute applies to variables.
(SPARK_Aux_Pragma): Code cleanup.
(SPARK_Aux_Pragma_Inherited): Code cleanup.
(SPARK_Pragma): Code cleanup. This attribute applies to variables.
(SPARK_Pragma_Inherited): Code cleanup. This attribute applies
to variables.
(Write_Field9_Name): Remove the output for Part_Of_Constituents.
(Write_Field10_Name): Add output for Part_Of_Constituents.
(Write_Field30_Name): Add output for Anonymous_Object.
(Write_Field34_Name): Output SPARK_Pragma
for protected types and variables.
* einfo.ads: New attributes Anonymous_Object and
Is_Synchronized_State along with usage in entities. Update
the documentation of attributes Contract Encapsulating_State
Part_Of_Constituents SPARK_Aux_Pragma SPARK_Aux_Pragma_Inherited
SPARK_Pragma SPARK_Pragma_Inherited (Anonymous_Object): New
routine along with pragma Inline.
(Is_Synchronized_State): New routine.
(Set_Anonymous_Object): New routine along with pragma Inline.
* freeze.adb (Freeze_Record_Type): Ensure that a non-synchronized
record does not have synchronized components.
* sem_ch3.adb (Analyze_Declarations): Code cleanup. Analyze the
contract of protected units.
* sem_ch9.adb Add with and use clauses for Sem_Prag. Code cleanup.
(Analyze_Single_Protected_Declaration): Reimplemented.
(Analyze_Single_Task_Declaration): Reimplemented.
* sem_ch13.adb (Analyze_Aspect_Specifications): Aspect Part_Of
can now apply to a single concurrent type declaration. Rely on
Insert_Pragma to place the pragma. Update the error message on
usage to reflect the new context.
(Insert_Pragma): When inserting
pragmas for a protected or task type, create a definition if
the type lacks one.
* sem_elab.adb (Check_A_Call): Code cleanup. Issue error message
related to elaboration issues for SPARK when SPARK_Mode is "on"
and the offending entity comes from source.
* sem_prag.adb (Analyze_Abstract_State): Add new flag
Synchronous_Seen. Update the analysis of simple options Externa,
Ghost and Synchronous. Update various error messages to reflect
the use of single concurrent types.
(Analyze_Depends_Global): Pragmas Depends and Global can now apply to
a single task type or a single concurrent object created for a task
type.
(Analyze_Depends_In_Decl_Part): Do not push a scope when the
context is a single concurrent object. (Analyze_Part_Of):
Moved out of Analyze_Pragma. The routine has a new profile
and comment on usage.
(Analyze_Part_Of_In_Decl_Part): New routine.
(Analyze_Part_Of_Option): Update the call to Analyze_Part_Of.
(Analyze_Pragma): Pragma Abstract_State can
now carry simple option Synchronous. Pragma Part_Of can now
apply to a single concurrent type declaration. The analysis
of pragma Part_Of is delayed when the context is a single
concurrent object.
(Analyze_Refined_Depends_In_Decl_Part): Use the anonymous object when
the context is a single concurren type.
(Analyze_Refined_Global_In_Decl_Part): Use the
anonymous object when the context is a single concurren type.
(Check_Ghost_Constituent): Removed.
(Check_Matching_Constituent): Renamed to Match_Constituent.
(Check_Matching_State): Renamed to Match_State.
(Collect_Constituent): Update the comment
on usage. Verify various legality rules related to ghost and
synchronized entities.
(Find_Related_Declaration_Or_Body): A single task declaration is no
longer a valid context for a pragma.
(Fix_Msg): Moved to Sem_Util.
(Process_Overloadable): Add processing for single task objects.
(Process_Visible_Part): Add processing for single concurrent
types.
(Relocate_Pragmas_To_Anonymous_Object): New routine.
* sem_prag.ads Add new table Pragma_On_Anonymous_Object_OK.
(Analyze_Part_Of_In_Decl_Part): New routine.
(Relocate_Pragmas_To_Anonymous_Object): New routine.
* sem_util.adb (Defining_Entity): Code cleanup.
(Fix_Msg): Moved from Sem_Prag and augmented to handle
mode replacements.
(Has_Full_Default_Initialization): New routine.
(Is_Descendant_Of_Suspension_Object): Moved out of
Is_Effectively_Volatile.
(Is_Single_Concurrent_Object): New routine.
(Is_Single_Concurrent_Type): New routine.
(Is_Single_Concurrent_Type_Declaration): New routine.
(Is_Synchronized_Object): New routine.
(Yields_Synchronized_Object): New routine.
* sem_util.ads (Fix_Msg): Moved form Sem_Prag. Update the
comment on usage.
(Has_Full_Default_Initialization): New routine.
(Is_Single_Concurrent_Object): New routine.
(Is_Single_Concurrent_Type): New routine.
(Is_Single_Concurrent_Type_Declaration): New routine.
(Is_Synchronized_Object): New routine.
(Yields_Synchronized_Object): New routine.
* snames.ads-tmpl: Add name Synchronous.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229357 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_ch3.adb, sem_util.adb: Minor reformatting.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229354 138bc75d-0d04-0410-961f-82ee72b054a4
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* s-rident.ads (No_Dynamic_Sized_Objects): New restriction name.
* sem_util.ads, sem_util.adb (All_Composite_Constraints_Static):
New function to check that all relevant constraints are static.
* sem_aggr.adb (Resolve_Array_Aggregate): Call
All_Composite_Constraints_Static on the bounds of named array
aggregates.
* sem_ch3.adb (Analyze_Subtype_Declaration): Call
All_Composite_Constraints_Static if the type is composite and
the subtype is constrained.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229351 138bc75d-0d04-0410-961f-82ee72b054a4
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* s-fileio.adb (Fopen_Mode): Use "r+" for Out_File/Stream_IO,
so the file won't be truncated on 'fopen', as required by
AI95-00283-1.
2015-10-26 Bob Duff <duff@adacore.com>
* gnat1drv.adb, prj.adb, sem_ch6.adb, s-regpat.adb,
sem_prag.adb: Fix typos.
* einfo.ads, restrict.ads: Minor comment fixes.
* err_vars.ads, sem_util.adb, errout.ads: Code clean up.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_ch5.adb (Analyze_Assignment): Do not check that the
Left-hand side is legal in an inlined body, check is done on
the original template.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* exp_util.ads, exp_util.adb (Find_Primitive_Operations): New
subprogram to retrieve by name the possibly overloaded set of
primitive operations of a type.
* sem_ch4.adb (Try_Container_Indexing): Use
Find_Primitive_Operations to handle overloaded indexing operations
of a derived type.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229343 138bc75d-0d04-0410-961f-82ee72b054a4
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* lib-xref-spark_specific.adb (Add_SPARK_Xrefs): Use character 'r' to
denote a reference to a constant which may have variable input, and
thus may be treated as a variable in GNATprove, instead of the
character 'c' used for constants.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_util.adb (Object_Access_Level): Only aliased formals of
functions have the accessibility level of the point of call;
aliased formals of procedures have the same level as unaliased
formals.
(New_Copy_Tree): Add guard on copying itypes. From code reading.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229337 138bc75d-0d04-0410-961f-82ee72b054a4
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* inline.adb: Minor reformatting.
2015-10-26 Yannick Moy <moy@adacore.com>
* get_spark_xrefs.adb (get_SPARK_Xrefs): Remove obsolete
assertion.
* lib-xref-spark_specific.adb (Traverse_Declaration_Or_Statement):
New procedure to factor duplicated code and add
treatment of protected entries.
(Add_SPARK_Scope, Traverse_Declarations_Or_Statements): Call the new
procedure Traverse_Declaration_Or_Statement. Use same character used in
normal xrefs for SPARK xrefs, for a given entity used as scope.
* spark_xrefs.ads Document character used for entries.
* sem_prag.adb (Check_Loop_Pragma_Placement): Account for possible
introduction of declarations and statements by the expansion, between
two otherwise consecutive loop pragmas.
* sem_util.ads, sem_util.adb (Is_Suspension_Object): Lifted from nested
function.
(Is_Descendant_Of_Suspension_Object): nested function lifted.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_attr.adb (Eval_Attribute): Attribute 'Enum_Rep can be folded
when its prefix denotes a constant, an enumeration literal or
an enumeration type. Use the expression of the attribute in the
enumeration type form, otherwise use the prefix to fold.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229334 138bc75d-0d04-0410-961f-82ee72b054a4
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* aspects.adb Add an entry for entry bodies in table
Has_Aspect_Specifications_Flag.
(Aspects_On_Body_Or_Stub_OK): Entry bodies now allow for certain
aspects.
* contracts.adb (Add_Contract_Items): Code cleanup. Add
processing for entry bodies, entry declarations and task units.
(Analyze_Subprogram_Body_Contract): Renamed
to Analyze_Entry_Or_Subprogram_Body_Contract. Do not
analyze the contract of an entry body unless annotating the
original tree.
(Analyze_Subprogram_Contract): Renamed to
Analyze_Entry_Or_Subprogram_Contract. Do not analyze the contract
of an entry declaration unless annotating the original tree.
(Analyze_Task_Contract): New routine.
* contracts.ads (Add_Contract_Item): Update the comment on usage.
(Analyze_Package_Body_Contract): Update comment on usage.
(Analyze_Package_Contract): Update the comment on usage.
(Analyze_Subprogram_Body_Contract): Renamed to
Analyze_Entry_Or_Subprogram_Body_Contract.
(Analyze_Subprogram_Body_Stub_Contract): Update the comment on usage.
(Analyze_Subprogram_Contract): Renamed to
Analyze_Entry_Or_Subprogram_Contract.
(Analyze_Task_Contract): New routine.
* einfo.adb (Contract): Restructure the assertion to include
entries and task units.
(SPARK_Pragma): This attribute now applies to operators.
(SPARK_Pragma_Inherited): This flag now applies to operators.
(Set_Contract): Restructure the assertion to include entries and task
units.
(Set_SPARK_Pragma): This attribute now applies to operators.
(Set_SPARK_Pragma_Inherited): This flag now applies to operators.
(Write_Field34_Name): Write out all Ekinds that have a contract.
(Write_Field40_Name): SPARK_Pragma now applies to operators.
* einfo.ads: Update the documentation of attribute Contract along
with usage in nodes. Update the documentation of attributes
SPARK_Pragma and SPARK_Pragma_Inherited.
* exp_ch6.adb (Freeze_Subprogram): Update the call to
Analyze_Subprogram_Contract.
* par-ch9.adb (P_Entry_Barrier): Do not parse keyword "is" as it
is not part of the entry barrier production.
(P_Entry_Body): Parse the optional aspect specifications. Diagnose
misplaced aspects.
* sem_attr.adb (Analyze_Attribute_Old_Result): Update the call
to Find_Related_Subprogram_Or_Body.
* sem_aux.adb (Unit_Declaration_Node) Add an entry for entry
declarations and bodies.
* sem_ch3.adb (Analyze_Declarations): Analyze the contracts of
entry declarations, entry bodies and task units.
* sem_ch6.adb (Analyze_Generic_Subprogram_Body):
Update the call to Analyze_Subprogram_Body_Contract.
(Analyze_Subprogram_Body_Helper): Update the call to
Analyze_Subprogram_Body_Contract.
* sem_ch9.adb (Analyze_Entry_Body): Analyze the aspect
specifications and the contract.
* sem_ch10.adb (Analyze_Compilation_Unit): Update the call to
Analyze_Subprogram_Contract.
* sem_ch12.adb (Save_References_In_Pragma): Update the call to
Find_Related_Subprogram_Or_Body.
* sem_ch13.adb (Analyze_Aspects_On_Body_Or_Stub): Use
Unique_Defining_Entity rather than rummaging around in nodes.
(Diagnose_Misplaced_Aspects): Update comment on usage. Update the
error messages to accomondate the increasing number of contexts.
* sem_prag.adb (Analyze_Contract_Cases_In_Decl_Part):
Update the call to Find_Related_Subprogram_Or_Body.
(Analyze_Depends_Global): Update the call to
Find_Related_Subprogram_Or_Body. Add processing for entry
declarations.
(Analyze_Depends_In_Decl_Part): Update the call
to Find_Related_Subprogram_Or_Body. Task units have no formal
parameters to install. (Analyze_Global_In_Decl_Part): Update
the call to Find_Related_Subprogram_Or_Body. Task units have no
formal parameters to install.
(Analyze_Global_Item): Use Fix_Msg to handle the increasing number of
contexts.
(Analyze_Pragma): Update the call to Find_Related_Subprogram_Or_Body.
Perform full analysis when various pragmas appear in an entry body.
(Analyze_Pre_Post_Condition): Update the call to
Find_Related_Subprogram_Or_Body. Perform full analysis when the pragma
appears in an entry body.
(Analyze_Pre_Post_Condition_In_Decl_Part): Update the call to
Find_Related_Subprogram_Or_Body.
(Analyze_Refined_Depends_Global_Post): Update
the call to Find_Related_Subprogram_Or_Body. Use
Fix_Msg to handle the increasing number of contexts.
(Analyze_Refined_Depends_In_Decl_Part): Update
the call to Find_Related_Subprogram_Or_Body. Use
Unique_Defining_Entity to obtain the entity of the
spec. Use Fix_Msg to handle the increasing number of contexts.
(Analyze_Refined_Global_In_Decl_Part): Update the call to
Find_Related_Subprogram_Or_Body. Use Unique_Defining_Entity to obtain
the entity of the spec. Use Fix_Msg to handle the increasing number of
contexts.
(Analyze_Test_Case_In_Decl_Part): Update the call to
Find_Related_Subprogram_Or_Body.
(Check_Dependency_Clause): Use Fix_Msg to handle the increasing number
of contexts.
(Check_Mode_Restriction_In_Enclosing_Context): Use
Fix_Msg to handle the increasing number of contexts.
(Collect_Subprogram_Inputs_Outputs): Use the refined
versions of the pragmas when the context is an entry body or
a task body.
(Find_Related_Subprogram_Or_Body): Renamed to
Find_Related_Declaration_Or_Body. Add processing for entries
and task units.
(Fix_Msg): New routine.
(Role_Error): Use Fix_Msg to handle the increasing number of contexts.
* sem_prag.ads (Find_Related_Subprogram_Or_Body): Renamed to
Find_Related_Declaration_Or_Body. Update the comment on usage.
* sem_util.adb (Is_Entry_Body): New routine.
(Is_Entry_Declaration): New routine.
* sem_util.ads (Is_Entry_Body): New routine.
(Is_Entry_Declaration): New routine.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* inline.adb (Has_Excluded_Declaration): A subtype declaration
with a predicate aspect generates a subprogram, and therefore
prevents the inlining of the enclosing subprogram.
* osint.ads: Fix typo.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229333 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_util.adb (Is_Suspension_Object): Ensure that the scope of "Ada"
is Standard_Standard.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* sem_res.adb (Is_OK_Volatile_Context): A subprogram call is an OK
context for a reference to an effectively volatile object.
(Resolve_Actuals): Add references to SPARK RM.
(Within_Procedure_Call): Removed.
(Within_Subprogram_Call): New routine.
2015-10-26 Ed Schonberg <schonberg@adacore.com>
* sem_ch6.adb (Check_Aggregate_Accessibility): A reference to a
formal parameter in an aggregate does not need an accesibility
check only if the formal is aliased.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229329 138bc75d-0d04-0410-961f-82ee72b054a4
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* sem_aux.ads (Number_Components): Can return 0 when called on
an empty record.
2015-10-26 Hristian Kirtchev <kirtchev@adacore.com>
* contracts.adb (Analyze_Subprogram_Body_Contract): Use
Unique_Defining_Entity instead of Corresponding_Spec_Of.
* einfo.adb SPARK_Pragma and SPARK_Aux_Pragma are now Node40 and
Node41 respectively.
(SPARK_Aux_Pragma): Update the assertion and node querry.
(SPARK_Aux_Pragma_Inherited): Update the assertion and node query.
(SPARK_Pragma): Update the assertion and node query.
(SPARK_Pragma_Inherited): Update the assertion and node query.
(Set_SPARK_Aux_Pragma): Update the assertion and node setting.
(Set_SPARK_Aux_Pragma_Inherited): Update the assertion and node setting.
(Set_SPARK_Pragma): Update the assertion and node setting.
(Set_SPARK_Pragma_Inherited): Update the assertion and node setting.
(Write_Field32_Name): Remove the output for SPARK_Pragma.
(Write_Field33_Name): Remove the output for SPARK_Aux_Pragma.
(Write_Field40_Name): Add output for SPARK_Pragma.
(Write_Field41_Name): Add output for SPARK_Aux_Pragma.
* einfo.ads Rewrite the documentation on attributes
SPARK_Pragma, SPARK_Aux_Pragma, SPARK_Pragma_Inherited and
SPARK_Aux_Pragma_Inherited. Update their uses in nodes.
* exp_ch4.adb (Create_Anonymous_Master): Use
Unique_Defining_Entity instead of Corresponding_Spec_Of.
* exp_ch9.adb (Expand_Entry_Declaration): Mark the barrier
function as such.
(Expand_N_Task_Body): Mark the task body as such.
(Expand_N_Task_Type_Declaration): Mark the task body as such.
* exp_unst.adb (Visit_Node): Use Unique_Defining_Entity instead
of Corresponding_Spec_Of.
* sem_attr.adb (Analyze_Attribute_Old_Result): Use
Unique_Defining_Entity instead of Corresponding_Spec_Of.
* sem_ch6.adb (Analyze_Subprogram_Body_Helper): Entry barrier
functions do not inherit the SPARK_Mode from the context.
(Build_Subprogram_Declaration): The matching spec is now marked
as a source construct to mimic the original stand alone body.
* sem_ch7.adb (Analyze_Package_Body_Helper): Code cleanup.
* sem_ch9.adb Add with and use clauses for Contracts.
(Analyze_Entry_Body): An entry body freezes the contract of
the nearest enclosing package body. The entry body now inherits
the SPARK_Mode from the context.
(Analyze_Entry_Declaration): A protected entry declaration now inherits
the SPARK_Mode from the context.
(Analyze_Protected_Body): A protected body freezes
the contract of the nearest enclosing package body. Set the
Etype of a protected body as this is neede for proper aspect
analysis. Protected bodies can now carry meaningful aspects and
those are now analyzed.
(Analyze_Protected_Type_Declaration): A protected type now inherits the
SPARK_Mode from the context.
(Analyze_Task_Body): A task body freezes the contract of the
nearest enclosing package body. Set the Etype of a task body
as this is needed for proper aspect analysis. A task body
now inherits the SPARK_Mode from the context. Task bodies
can now carry meaningful aspects and those are now analyzed.
(Analyze_Task_Type_Declaration): A task type declaration now
inherits the SPARK_Mode of from the context.
* sem_ch10.adb (Analyze_Protected_Body_Stub): Protected body
stubs can now carry meaningful aspects.
(Analyze_Task_Body_Stub): Task body stubs can now carry meaningful
aspects.
* sem_ch13.adb (Analyze_Aspect_Specifications): Aspects SPARK_Mode
Warnings now use routine Insert_Pragma as means of insertion into
the tree.
(Insert_After_SPARK_Mode): Clean up documentation.
(Insert_Pragma): Clean up documentation. The routine is now
capable of operating on synchronized units.
* sem_prag.adb (Add_Entity_To_Name_Buffer): New routine.
(Analyze_Contract_Cases_In_Decl_Part): Use
Unique_Defining_Entity instead of Corresponding_Spec_Of.
(Analyze_Depends_Global): Use Unique_Defining_Entity instead
of Corresponding_Spec_Of.
(Analyze_Depends_In_Decl_Part): Use Unique_Defining_Entity instead of
Corresponding_Spec_Of.
(Analyze_Global_In_Decl_Part): Use Unique_Defining_Entity instead of
Corresponding_Spec_Of.
(Analyze_Pragma): Use Unique_Defining_Entity instead of
Corresponding_Spec_Of.
Update the detection of an illegal pragma Ghost when it applies
to a task or protected unit. Reimplement the handling of
pragma SPARK_Mode.
(Analyze_Pre_Post_Condition_In_Decl_Part): Use Unique_Defining_Entity
instead of Corresponding_Spec_Of.
(Analyze_Test_Case_In_Decl_Part): Use Unique_Defining_Entity instead of
Corresponding_Spec_Of.
(Check_Library_Level_Entity): Update the comment on usage.
Reimplemented to offer a more specialized errror context.
(Check_Pragma_Conformance): Update profile and comment on usage.
Handle error message output on single protected or task units.
(Collect_Subprogram_Inputs_Outputs): Use Unique_Defining_Entity
instead of Corresponding_Spec_Of.
(Process_Body): New routine.
(Process_Overloadable): New routine.
(Process_Private_Part): New routine.
(Process_Statement_Part): New routine.
(Process_Visible_Part): New routine.
(Set_SPARK_Context): New routine.
(Set_SPARK_Flags): Removed.
* sem_util.adb (Corresponding_Spec_Of): Removed.
(Unique_Entity): Reimplemented to handle many more cases.
* sem_util.ads (Corresponding_Spec_Of): Removed.
(Unique_Defining_Entity): Update the comment on usage.
* sinfo.ads (Is_Entry_Barrier_Function): Update the assertion.
(Is_Task_Body_Procedure): New routine.
(Set_Is_Entry_Barrier_Function): Update the assertion.
(Set_Is_Task_Body_Procedure): New routine.
* sinfo.adb Update the documentation of attribute
Is_Entry_Barrier_Function along with use in nodes. Add new
attribute Is_Task_Body_Procedure along with use in nodes.
(Is_Task_Body_Procedure): New routine along with pragma Inline.
(Set_Is_Task_Body_Procedure): New routine along with pragma Inline.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229328 138bc75d-0d04-0410-961f-82ee72b054a4
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* contracts.ads, contracts.adb: New unit.
* exp_ch6.adb Add with and use clauses for Contracts.
(Expand_Subprogram_Contract): Moved to Contracts.
* exp_ch6.ads (Expand_Subprogram_Contract): Moved to Contracts.
* sem_ch3.adb Add with and use clauses for Contracts.
(Analyze_Object_Contract): Moved to Contracts.
(Analyze_Declarations): Remove local variable Pack_Decl. Do not
capture global references in contracts. Check the hidden states
of a package body.
* sem_ch6.adb Add with and use clauses in Contracts.
(Analyze_Generic_Subprogram_Body): Do not capture global
references in contracts.
(Analyze_Subprogram_Body_Contract):
Moved to Contracts.
(Analyze_Subprogram_Body_Helper): Freeze the
contract of the nearest enclosing package body. Always analyze
the subprogram body contract. Do not expand the subprogram
body contract.
(Analyze_Subprogram_Contract): Moved to Contracts.
* sem_ch6.ads (Analyze_Subprogram_Body_Contract): Moved to Contracts.
(Analyze_Subprogram_Contract): Moved to Contracts.
* sem_ch7.adb Add with and use clauses for Contracts.
(Analyze_Package_Body_Contract): Moved to Contracts.
(Analyze_Package_Body_Helper): Freeze the contract of the
nearest enclosing package body.
(Analyze_Package_Contract): Moved to Contracts.
* sem_ch7.ads (Analyze_Package_Body_Contract): Moved to Contracts.
(Analyze_Package_Contract): Moved to Contracts.
* sem_ch10.adb Add with and use clauses for Contracts.
(Analyze_Compilation_Unit): Do not capture global references
in contracts.
(Analyze_Subprogram_Body_Stub_Contract): Moved to Contracts.
* sem_ch10.ads (Analyze_Subprogram_Body_Stub_Contract): Moved
to Contracts.
* sem_ch12.adb Add with and use clauses for Contracts.
(Analyze_Subprogram_Instantiation): Update the call to
Instantiate_Subprogram_Contract.
(Instantiate_Package_Body):
Do not copy the entity of the spec when creating an entity
for the body. Construct a brand new defining identifier for
the body and inherit the Comes_From_Source flag from the spec.
(Instantiate_Subprogram_Body): Remove Anon_Id to Act_Decl_Id
and update all occurrences. Construct a brand new defining
identifier for the body and inherit the Comes_From_Source
flag from the spec.
(Instantiate_Subprogram_Contract): Moved
to Contracts.
(Save_Global_References_In_Aspects): Moved to
the spec of Sem_Ch12.
(Save_Global_References_In_Contract):
Moved to Contracts.
* sem_ch12.ads (Save_Global_References_In_Aspects): Moved from
the body of Sem_Ch12.
(Save_Global_References_In_Contract):
Moved to Contracts.
* sem_prag.adb Add with and use clauses for Contracts.
(Add_Item): Removed. All references to this routine have been
replaced with calls to Append_New_Elmt.
(Analyze_Constituent):
Add special diagnostics for errors caused by freezing of
contracts.
(Analyze_Refined_State_In_Decl_Part): Add formal
parameter Freeze_Id. Add new global variable Freeze_Posted.
(Collect_Body_States): Removed.
(Report_Unused_States): Removed.
* sem_prag.ads (Analyze_Defined_State_In_Decl_Part): Add formal
parameter Freeze_Id and update comment on usage.
* sem_util.adb Remove with and use clauses for
Sem_Ch12.
(Add_Contract_Item): Moved to Contracts.
(Check_Unused_Body_States): New routine.
(Collect_Body_States):
New routine.
(Create_Generic_Contract): Moved to Contracts.
(Inherit_Subprogram_Contract): Moved to Contracts.
(Report_Unused_Body_States): New routine.
* sem_util.ads (Add_Contract_Item): Moved to Contracts.
(Check_Unused_Body_States): New routine.
(Collect_Body_States): New routine.
(Create_Generic_Contract): Moved to Contracts.
(Inherit_Subprogram_Contract): Moved to Contracts.
(Report_Unused_Body_States): New routine.
* sinfo.adb (Is_Expanded_Contract): New routine.
(Set_Is_Expanded_Contract): New routine.
* sinfo.ads New attribute Is_Expanded_Contract along with
placement in nodes.
(Is_Expanded_Contract): New routine along
with pragma Inline.
(Set_Is_Expanded_Contract): New routine
along with pragma Inline.
* gcc-interface/Make-lang.in: Add entry for contracts.o
2015-10-23 Bob Duff <duff@adacore.com>
* bindgen.adb, init.c, opt.ads, switch-b.adb: Implement new -Ea and
-Es switches.
* switch-b.ads: Minor comment fix.
* bindusg.adb: Document new -Ea and -Es switches.
* s-exctra.ads: Use -Es instead of -E.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@229253 138bc75d-0d04-0410-961f-82ee72b054a4
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